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1fac938e | 1 | /**************************************************************************** |
2 | * * | |
3 | * GNAT COMPILER COMPONENTS * | |
4 | * * | |
5 | * A D A I N T * | |
6 | * * | |
1fac938e | 7 | * C Implementation File * |
8 | * * | |
126b6848 | 9 | * Copyright (C) 1992-2012, Free Software Foundation, Inc. * |
1fac938e | 10 | * * |
11 | * GNAT is free software; you can redistribute it and/or modify it under * | |
12 | * terms of the GNU General Public License as published by the Free Soft- * | |
6bc9506f | 13 | * ware Foundation; either version 3, or (at your option) any later ver- * |
1fac938e | 14 | * sion. GNAT is distributed in the hope that it will be useful, but WITH- * |
15 | * OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY * | |
6bc9506f | 16 | * or FITNESS FOR A PARTICULAR PURPOSE. * |
17 | * * | |
18 | * As a special exception under Section 7 of GPL version 3, you are granted * | |
19 | * additional permissions described in the GCC Runtime Library Exception, * | |
20 | * version 3.1, as published by the Free Software Foundation. * | |
21 | * * | |
22 | * You should have received a copy of the GNU General Public License and * | |
23 | * a copy of the GCC Runtime Library Exception along with this program; * | |
24 | * see the files COPYING3 and COPYING.RUNTIME respectively. If not, see * | |
25 | * <http://www.gnu.org/licenses/>. * | |
1fac938e | 26 | * * |
27 | * GNAT was originally developed by the GNAT team at New York University. * | |
e78e8c8e | 28 | * Extensive contributions were provided by Ada Core Technologies Inc. * |
1fac938e | 29 | * * |
30 | ****************************************************************************/ | |
31 | ||
f15731c4 | 32 | /* This file contains those routines named by Import pragmas in |
33 | packages in the GNAT hierarchy (especially GNAT.OS_Lib) and in | |
34 | package Osint. Many of the subprograms in OS_Lib import standard | |
35 | library calls directly. This file contains all other routines. */ | |
1fac938e | 36 | |
becb63f5 | 37 | #ifdef __cplusplus |
38 | extern "C" { | |
39 | #endif | |
40 | ||
1fac938e | 41 | #ifdef __vxworks |
f15731c4 | 42 | |
43 | /* No need to redefine exit here. */ | |
1fac938e | 44 | #undef exit |
f15731c4 | 45 | |
1fac938e | 46 | /* We want to use the POSIX variants of include files. */ |
47 | #define POSIX | |
48 | #include "vxWorks.h" | |
49 | ||
50 | #if defined (__mips_vxworks) | |
51 | #include "cacheLib.h" | |
52 | #endif /* __mips_vxworks */ | |
53 | ||
0f4d3df5 | 54 | /* If SMP, access vxCpuConfiguredGet */ |
55 | #ifdef _WRS_CONFIG_SMP | |
56 | #include <vxCpuLib.h> | |
57 | #endif /* _WRS_CONFIG_SMP */ | |
58 | ||
b07bcda8 | 59 | /* We need to know the VxWorks version because some file operations |
60 | (such as chmod) are only available on VxWorks 6. */ | |
61 | #include "version.h" | |
62 | ||
1fac938e | 63 | #endif /* VxWorks */ |
64 | ||
90bc406c | 65 | #if (defined (__mips) && defined (__sgi)) || defined (__APPLE__) |
66 | #include <unistd.h> | |
67 | #endif | |
68 | ||
69 | #if defined (__hpux__) | |
70 | #include <sys/param.h> | |
71 | #include <sys/pstat.h> | |
72 | #endif | |
73 | ||
cafd02b3 | 74 | #ifdef VMS |
75 | #define _POSIX_EXIT 1 | |
ba706ed3 | 76 | #define HOST_EXECUTABLE_SUFFIX ".exe" |
77 | #define HOST_OBJECT_SUFFIX ".obj" | |
cafd02b3 | 78 | #endif |
79 | ||
1fac938e | 80 | #ifdef IN_RTS |
81 | #include "tconfig.h" | |
82 | #include "tsystem.h" | |
9dfe12ae | 83 | |
1fac938e | 84 | #include <sys/stat.h> |
85 | #include <fcntl.h> | |
86 | #include <time.h> | |
cafd02b3 | 87 | #ifdef VMS |
88 | #include <unixio.h> | |
89 | #endif | |
1fac938e | 90 | |
b07bcda8 | 91 | #ifdef __vxworks |
92 | /* S_IREAD and S_IWRITE are not defined in VxWorks */ | |
93 | #ifndef S_IREAD | |
94 | #define S_IREAD (S_IRUSR | S_IRGRP | S_IROTH) | |
95 | #endif | |
96 | ||
97 | #ifndef S_IWRITE | |
98 | #define S_IWRITE (S_IWUSR) | |
99 | #endif | |
100 | #endif | |
101 | ||
f15731c4 | 102 | /* We don't have libiberty, so use malloc. */ |
1fac938e | 103 | #define xmalloc(S) malloc (S) |
f15731c4 | 104 | #define xrealloc(V,S) realloc (V,S) |
1fac938e | 105 | #else |
106 | #include "config.h" | |
107 | #include "system.h" | |
e2c62f37 | 108 | #include "version.h" |
1fac938e | 109 | #endif |
9dfe12ae | 110 | |
fa0b5df1 | 111 | #if defined (__MINGW32__) |
112 | ||
e2a33c18 | 113 | #if defined (RTX) |
114 | #include <windows.h> | |
115 | #include <Rtapi.h> | |
fa0b5df1 | 116 | #else |
9dfe12ae | 117 | #include "mingw32.h" |
f60cc57d | 118 | |
119 | /* Current code page to use, set in initialize.c. */ | |
120 | UINT CurrentCodePage; | |
fa0b5df1 | 121 | #endif |
122 | ||
9dfe12ae | 123 | #include <sys/utime.h> |
a4f295eb | 124 | |
125 | /* For isalpha-like tests in the compiler, we're expected to resort to | |
126 | safe-ctype.h/ISALPHA. This isn't available for the runtime library | |
127 | build, so we fallback on ctype.h/isalpha there. */ | |
128 | ||
129 | #ifdef IN_RTS | |
f0a28ccb | 130 | #include <ctype.h> |
a4f295eb | 131 | #define ISALPHA isalpha |
132 | #endif | |
2359306a | 133 | |
134 | #elif defined (__Lynx__) | |
135 | ||
136 | /* Lynx utime.h only defines the entities of interest to us if | |
137 | defined (VMOS_DEV), so ... */ | |
138 | #define VMOS_DEV | |
139 | #include <utime.h> | |
140 | #undef VMOS_DEV | |
141 | ||
142 | #elif !defined (VMS) | |
9dfe12ae | 143 | #include <utime.h> |
9dfe12ae | 144 | #endif |
145 | ||
5091bc2f | 146 | /* wait.h processing */ |
9dfe12ae | 147 | #ifdef __MINGW32__ |
148 | #if OLD_MINGW | |
1fac938e | 149 | #include <sys/wait.h> |
9dfe12ae | 150 | #endif |
8ffbc401 | 151 | #elif defined (__vxworks) && defined (__RTP__) |
152 | #include <wait.h> | |
2359306a | 153 | #elif defined (__Lynx__) |
154 | /* ??? We really need wait.h and it includes resource.h on Lynx. GCC | |
155 | has a resource.h header as well, included instead of the lynx | |
156 | version in our setup, causing lots of errors. We don't really need | |
157 | the lynx contents of this file, so just workaround the issue by | |
158 | preventing the inclusion of the GCC header from doing anything. */ | |
159 | #define GCC_RESOURCE_H | |
160 | #include <sys/wait.h> | |
5091bc2f | 161 | #elif defined (__nucleus__) |
162 | /* No wait() or waitpid() calls available */ | |
9dfe12ae | 163 | #else |
5091bc2f | 164 | /* Default case */ |
9dfe12ae | 165 | #include <sys/wait.h> |
166 | #endif | |
1fac938e | 167 | |
30592778 | 168 | #if defined (_WIN32) |
d8dd2062 | 169 | #elif defined (VMS) |
71a3e619 | 170 | |
f15731c4 | 171 | /* Header files and definitions for __gnat_set_file_time_name. */ |
71a3e619 | 172 | |
8620a406 | 173 | #define __NEW_STARLET 1 |
ba706ed3 | 174 | #include <vms/rms.h> |
175 | #include <vms/atrdef.h> | |
176 | #include <vms/fibdef.h> | |
177 | #include <vms/stsdef.h> | |
178 | #include <vms/iodef.h> | |
d8dd2062 | 179 | #include <errno.h> |
ba706ed3 | 180 | #include <vms/descrip.h> |
d8dd2062 | 181 | #include <string.h> |
182 | #include <unixlib.h> | |
183 | ||
f15731c4 | 184 | /* Use native 64-bit arithmetic. */ |
d8dd2062 | 185 | #define unix_time_to_vms(X,Y) \ |
186 | { unsigned long long reftime, tmptime = (X); \ | |
187 | $DESCRIPTOR (unixtime,"1-JAN-1970 0:00:00.00"); \ | |
188 | SYS$BINTIM (&unixtime, &reftime); \ | |
189 | Y = tmptime * 10000000 + reftime; } | |
190 | ||
191 | /* descrip.h doesn't have everything ... */ | |
8620a406 | 192 | typedef struct fibdef* __fibdef_ptr32 __attribute__ (( mode (SI) )); |
d8dd2062 | 193 | struct dsc$descriptor_fib |
194 | { | |
8620a406 | 195 | unsigned int fib$l_len; |
196 | __fibdef_ptr32 fib$l_addr; | |
d8dd2062 | 197 | }; |
198 | ||
71a3e619 | 199 | /* I/O Status Block. */ |
d8dd2062 | 200 | struct IOSB |
9dfe12ae | 201 | { |
d8dd2062 | 202 | unsigned short status, count; |
8620a406 | 203 | unsigned int devdep; |
d8dd2062 | 204 | }; |
205 | ||
206 | static char *tryfile; | |
207 | ||
71a3e619 | 208 | /* Variable length string. */ |
d8dd2062 | 209 | struct vstring |
210 | { | |
211 | short length; | |
f15731c4 | 212 | char string[NAM$C_MAXRSS+1]; |
d8dd2062 | 213 | }; |
214 | ||
9b1d6aeb | 215 | #define SYI$_ACTIVECPU_CNT 0x111e |
216 | extern int LIB$GETSYI (int *, unsigned int *); | |
217 | ||
d8dd2062 | 218 | #else |
219 | #include <utime.h> | |
220 | #endif | |
221 | ||
30592778 | 222 | #if defined (_WIN32) |
1fac938e | 223 | #include <process.h> |
224 | #endif | |
225 | ||
226 | #if defined (_WIN32) | |
4c4697b8 | 227 | |
1fac938e | 228 | #include <dir.h> |
229 | #include <windows.h> | |
7db1ef17 | 230 | #include <accctrl.h> |
231 | #include <aclapi.h> | |
fef772a5 | 232 | #undef DIR_SEPARATOR |
233 | #define DIR_SEPARATOR '\\' | |
1fac938e | 234 | #endif |
235 | ||
236 | #include "adaint.h" | |
237 | ||
238 | /* Define symbols O_BINARY and O_TEXT as harmless zeroes if they are not | |
239 | defined in the current system. On DOS-like systems these flags control | |
240 | whether the file is opened/created in text-translation mode (CR/LF in | |
241 | external file mapped to LF in internal file), but in Unix-like systems, | |
242 | no text translation is required, so these flags have no effect. */ | |
243 | ||
1fac938e | 244 | #ifndef O_BINARY |
245 | #define O_BINARY 0 | |
246 | #endif | |
247 | ||
248 | #ifndef O_TEXT | |
249 | #define O_TEXT 0 | |
250 | #endif | |
251 | ||
252 | #ifndef HOST_EXECUTABLE_SUFFIX | |
253 | #define HOST_EXECUTABLE_SUFFIX "" | |
254 | #endif | |
255 | ||
256 | #ifndef HOST_OBJECT_SUFFIX | |
257 | #define HOST_OBJECT_SUFFIX ".o" | |
258 | #endif | |
259 | ||
260 | #ifndef PATH_SEPARATOR | |
261 | #define PATH_SEPARATOR ':' | |
262 | #endif | |
263 | ||
264 | #ifndef DIR_SEPARATOR | |
265 | #define DIR_SEPARATOR '/' | |
266 | #endif | |
267 | ||
a3b0f4f2 | 268 | /* Check for cross-compilation */ |
8c7d3bad | 269 | #if defined (CROSS_COMPILE) || defined (CROSS_DIRECTORY_STRUCTURE) |
270 | #define IS_CROSS 1 | |
a3b0f4f2 | 271 | int __gnat_is_cross_compiler = 1; |
272 | #else | |
8c7d3bad | 273 | #undef IS_CROSS |
a3b0f4f2 | 274 | int __gnat_is_cross_compiler = 0; |
275 | #endif | |
276 | ||
1fac938e | 277 | char __gnat_dir_separator = DIR_SEPARATOR; |
278 | ||
279 | char __gnat_path_separator = PATH_SEPARATOR; | |
280 | ||
281 | /* The GNAT_LIBRARY_TEMPLATE contains a list of expressions that define | |
282 | the base filenames that libraries specified with -lsomelib options | |
283 | may have. This is used by GNATMAKE to check whether an executable | |
284 | is up-to-date or not. The syntax is | |
285 | ||
286 | library_template ::= { pattern ; } pattern NUL | |
287 | pattern ::= [ prefix ] * [ postfix ] | |
288 | ||
289 | These should only specify names of static libraries as it makes | |
290 | no sense to determine at link time if dynamic-link libraries are | |
291 | up to date or not. Any libraries that are not found are supposed | |
292 | to be up-to-date: | |
293 | ||
294 | * if they are needed but not present, the link | |
295 | will fail, | |
296 | ||
297 | * otherwise they are libraries in the system paths and so | |
298 | they are considered part of the system and not checked | |
299 | for that reason. | |
300 | ||
301 | ??? This should be part of a GNAT host-specific compiler | |
302 | file instead of being included in all user applications | |
f15731c4 | 303 | as well. This is only a temporary work-around for 3.11b. */ |
1fac938e | 304 | |
305 | #ifndef GNAT_LIBRARY_TEMPLATE | |
30592778 | 306 | #if defined (VMS) |
1fac938e | 307 | #define GNAT_LIBRARY_TEMPLATE "*.olb" |
308 | #else | |
309 | #define GNAT_LIBRARY_TEMPLATE "lib*.a" | |
310 | #endif | |
311 | #endif | |
312 | ||
313 | const char *__gnat_library_template = GNAT_LIBRARY_TEMPLATE; | |
314 | ||
f15731c4 | 315 | /* This variable is used in hostparm.ads to say whether the host is a VMS |
316 | system. */ | |
317 | #ifdef VMS | |
becb63f5 | 318 | int __gnat_vmsp = 1; |
f15731c4 | 319 | #else |
becb63f5 | 320 | int __gnat_vmsp = 0; |
f15731c4 | 321 | #endif |
322 | ||
30592778 | 323 | #if defined (VMS) |
9dfe12ae | 324 | #define GNAT_MAX_PATH_LEN 256 /* PATH_MAX */ |
e633acdc | 325 | |
5091bc2f | 326 | #elif defined (__vxworks) || defined (__OPENNT) || defined(__nucleus__) |
9dfe12ae | 327 | #define GNAT_MAX_PATH_LEN PATH_MAX |
328 | ||
329 | #else | |
330 | ||
331 | #if defined (__MINGW32__) | |
332 | #include "mingw32.h" | |
333 | ||
334 | #if OLD_MINGW | |
335 | #include <sys/param.h> | |
336 | #endif | |
e633acdc | 337 | |
338 | #else | |
339 | #include <sys/param.h> | |
9dfe12ae | 340 | #endif |
341 | ||
8ae72cac | 342 | #ifdef MAXPATHLEN |
9dfe12ae | 343 | #define GNAT_MAX_PATH_LEN MAXPATHLEN |
8ae72cac | 344 | #else |
345 | #define GNAT_MAX_PATH_LEN 256 | |
346 | #endif | |
e633acdc | 347 | |
348 | #endif | |
349 | ||
5f93bcbf | 350 | /* Used for Ada bindings */ |
becb63f5 | 351 | int __gnat_size_of_file_attributes = sizeof (struct file_attributes); |
5f93bcbf | 352 | |
353 | /* Reset the file attributes as if no system call had been performed */ | |
354 | void __gnat_stat_to_attr (int fd, char* name, struct file_attributes* attr); | |
355 | ||
9dfe12ae | 356 | /* The __gnat_max_path_len variable is used to export the maximum |
357 | length of a path name to Ada code. max_path_len is also provided | |
358 | for compatibility with older GNAT versions, please do not use | |
359 | it. */ | |
360 | ||
361 | int __gnat_max_path_len = GNAT_MAX_PATH_LEN; | |
362 | int max_path_len = GNAT_MAX_PATH_LEN; | |
363 | ||
2726b813 | 364 | /* Control whether we can use ACL on Windows. */ |
365 | ||
366 | int __gnat_use_acl = 1; | |
367 | ||
1fac938e | 368 | /* The following macro HAVE_READDIR_R should be defined if the |
f15731c4 | 369 | system provides the routine readdir_r. */ |
1fac938e | 370 | #undef HAVE_READDIR_R |
371 | \f | |
6d9c3443 | 372 | #if defined(VMS) && defined (__LONG_POINTERS) |
373 | ||
374 | /* Return a 32 bit pointer to an array of 32 bit pointers | |
375 | given a 64 bit pointer to an array of 64 bit pointers */ | |
376 | ||
377 | typedef __char_ptr32 *__char_ptr_char_ptr32 __attribute__ ((mode (SI))); | |
378 | ||
379 | static __char_ptr_char_ptr32 | |
380 | to_ptr32 (char **ptr64) | |
381 | { | |
382 | int argc; | |
383 | __char_ptr_char_ptr32 short_argv; | |
384 | ||
385 | for (argc=0; ptr64[argc]; argc++); | |
386 | ||
387 | /* Reallocate argv with 32 bit pointers. */ | |
388 | short_argv = (__char_ptr_char_ptr32) decc$malloc | |
389 | (sizeof (__char_ptr32) * (argc + 1)); | |
390 | ||
391 | for (argc=0; ptr64[argc]; argc++) | |
392 | short_argv[argc] = (__char_ptr32) decc$strdup (ptr64[argc]); | |
393 | ||
394 | short_argv[argc] = (__char_ptr32) 0; | |
395 | return short_argv; | |
396 | ||
397 | } | |
398 | #define MAYBE_TO_PTR32(argv) to_ptr32 (argv) | |
399 | #else | |
400 | #define MAYBE_TO_PTR32(argv) argv | |
401 | #endif | |
402 | ||
44fef051 | 403 | static const char ATTR_UNSET = 127; |
bce992c9 | 404 | |
5f93bcbf | 405 | void |
d2697a05 | 406 | __gnat_reset_attributes |
5f93bcbf | 407 | (struct file_attributes* attr) |
408 | { | |
bce992c9 | 409 | attr->exists = ATTR_UNSET; |
5f93bcbf | 410 | |
bce992c9 | 411 | attr->writable = ATTR_UNSET; |
412 | attr->readable = ATTR_UNSET; | |
413 | attr->executable = ATTR_UNSET; | |
5f93bcbf | 414 | |
bce992c9 | 415 | attr->regular = ATTR_UNSET; |
416 | attr->symbolic_link = ATTR_UNSET; | |
417 | attr->directory = ATTR_UNSET; | |
5f93bcbf | 418 | |
419 | attr->timestamp = (OS_Time)-2; | |
420 | attr->file_length = -1; | |
421 | } | |
422 | ||
1e622f0e | 423 | OS_Time |
424 | __gnat_current_time | |
425 | (void) | |
426 | { | |
427 | time_t res = time (NULL); | |
428 | return (OS_Time) res; | |
429 | } | |
430 | ||
a17c817e | 431 | /* Return the current local time as a string in the ISO 8601 format of |
432 | "YYYY-MM-DD HH:MM:SS.SS". The returned string is 22 + 1 (NULL) characters | |
433 | long. */ | |
434 | ||
435 | void | |
436 | __gnat_current_time_string | |
437 | (char *result) | |
438 | { | |
439 | const char *format = "%Y-%m-%d %H:%M:%S"; | |
440 | /* Format string necessary to describe the ISO 8601 format */ | |
441 | ||
442 | const time_t t_val = time (NULL); | |
443 | ||
444 | strftime (result, 22, format, localtime (&t_val)); | |
445 | /* Convert the local time into a string following the ISO format, copying | |
446 | at most 22 characters into the result string. */ | |
447 | ||
448 | result [19] = '.'; | |
449 | result [20] = '0'; | |
450 | result [21] = '0'; | |
451 | /* The sub-seconds are manually set to zero since type time_t lacks the | |
452 | precision necessary for nanoseconds. */ | |
453 | } | |
454 | ||
1fac938e | 455 | void |
9dfe12ae | 456 | __gnat_to_gm_time |
457 | (OS_Time *p_time, | |
458 | int *p_year, | |
459 | int *p_month, | |
460 | int *p_day, | |
461 | int *p_hours, | |
462 | int *p_mins, | |
463 | int *p_secs) | |
1fac938e | 464 | { |
465 | struct tm *res; | |
9dfe12ae | 466 | time_t time = (time_t) *p_time; |
1fac938e | 467 | |
468 | #ifdef _WIN32 | |
469 | /* On Windows systems, the time is sometimes rounded up to the nearest | |
470 | even second, so if the number of seconds is odd, increment it. */ | |
471 | if (time & 1) | |
472 | time++; | |
473 | #endif | |
474 | ||
9dfe12ae | 475 | #ifdef VMS |
476 | res = localtime (&time); | |
477 | #else | |
1fac938e | 478 | res = gmtime (&time); |
9dfe12ae | 479 | #endif |
1fac938e | 480 | |
481 | if (res) | |
482 | { | |
483 | *p_year = res->tm_year; | |
484 | *p_month = res->tm_mon; | |
485 | *p_day = res->tm_mday; | |
486 | *p_hours = res->tm_hour; | |
487 | *p_mins = res->tm_min; | |
488 | *p_secs = res->tm_sec; | |
f15731c4 | 489 | } |
1fac938e | 490 | else |
491 | *p_year = *p_month = *p_day = *p_hours = *p_mins = *p_secs = 0; | |
492 | } | |
493 | ||
494 | /* Place the contents of the symbolic link named PATH in the buffer BUF, | |
495 | which has size BUFSIZ. If PATH is a symbolic link, then return the number | |
5091bc2f | 496 | of characters of its content in BUF. Otherwise, return -1. |
497 | For systems not supporting symbolic links, always return -1. */ | |
1fac938e | 498 | |
9dfe12ae | 499 | int |
f0a28ccb | 500 | __gnat_readlink (char *path ATTRIBUTE_UNUSED, |
501 | char *buf ATTRIBUTE_UNUSED, | |
502 | size_t bufsiz ATTRIBUTE_UNUSED) | |
1fac938e | 503 | { |
30592778 | 504 | #if defined (_WIN32) || defined (VMS) \ |
505 | || defined(__vxworks) || defined (__nucleus__) | |
1fac938e | 506 | return -1; |
507 | #else | |
508 | return readlink (path, buf, bufsiz); | |
509 | #endif | |
510 | } | |
511 | ||
5091bc2f | 512 | /* Creates a symbolic link named NEWPATH which contains the string OLDPATH. |
513 | If NEWPATH exists it will NOT be overwritten. | |
514 | For systems not supporting symbolic links, always return -1. */ | |
1fac938e | 515 | |
516 | int | |
f0a28ccb | 517 | __gnat_symlink (char *oldpath ATTRIBUTE_UNUSED, |
518 | char *newpath ATTRIBUTE_UNUSED) | |
1fac938e | 519 | { |
30592778 | 520 | #if defined (_WIN32) || defined (VMS) \ |
521 | || defined(__vxworks) || defined (__nucleus__) | |
1fac938e | 522 | return -1; |
523 | #else | |
524 | return symlink (oldpath, newpath); | |
525 | #endif | |
526 | } | |
527 | ||
f15731c4 | 528 | /* Try to lock a file, return 1 if success. */ |
1fac938e | 529 | |
30592778 | 530 | #if defined (__vxworks) || defined (__nucleus__) \ |
531 | || defined (_WIN32) || defined (VMS) | |
1fac938e | 532 | |
533 | /* Version that does not use link. */ | |
534 | ||
535 | int | |
9dfe12ae | 536 | __gnat_try_lock (char *dir, char *file) |
1fac938e | 537 | { |
1fac938e | 538 | int fd; |
3b18b370 | 539 | #ifdef __MINGW32__ |
540 | TCHAR wfull_path[GNAT_MAX_PATH_LEN]; | |
541 | TCHAR wfile[GNAT_MAX_PATH_LEN]; | |
542 | TCHAR wdir[GNAT_MAX_PATH_LEN]; | |
543 | ||
f60cc57d | 544 | S2WSC (wdir, dir, GNAT_MAX_PATH_LEN); |
545 | S2WSC (wfile, file, GNAT_MAX_PATH_LEN); | |
3b18b370 | 546 | |
547 | _stprintf (wfull_path, _T("%s%c%s"), wdir, _T(DIR_SEPARATOR), wfile); | |
548 | fd = _topen (wfull_path, O_CREAT | O_EXCL, 0600); | |
549 | #else | |
550 | char full_path[256]; | |
1fac938e | 551 | |
552 | sprintf (full_path, "%s%c%s", dir, DIR_SEPARATOR, file); | |
553 | fd = open (full_path, O_CREAT | O_EXCL, 0600); | |
3b18b370 | 554 | #endif |
555 | ||
f15731c4 | 556 | if (fd < 0) |
1fac938e | 557 | return 0; |
f15731c4 | 558 | |
1fac938e | 559 | close (fd); |
560 | return 1; | |
561 | } | |
562 | ||
1fac938e | 563 | #else |
f15731c4 | 564 | |
1fac938e | 565 | /* Version using link(), more secure over NFS. */ |
9dfe12ae | 566 | /* See TN 6913-016 for discussion ??? */ |
1fac938e | 567 | |
568 | int | |
9dfe12ae | 569 | __gnat_try_lock (char *dir, char *file) |
1fac938e | 570 | { |
f15731c4 | 571 | char full_path[256]; |
572 | char temp_file[256]; | |
8cb516d7 | 573 | GNAT_STRUCT_STAT stat_result; |
1fac938e | 574 | int fd; |
575 | ||
576 | sprintf (full_path, "%s%c%s", dir, DIR_SEPARATOR, file); | |
4a3f445c | 577 | sprintf (temp_file, "%s%cTMP-%ld-%ld", |
578 | dir, DIR_SEPARATOR, (long)getpid(), (long)getppid ()); | |
1fac938e | 579 | |
f15731c4 | 580 | /* Create the temporary file and write the process number. */ |
1fac938e | 581 | fd = open (temp_file, O_CREAT | O_WRONLY, 0600); |
582 | if (fd < 0) | |
583 | return 0; | |
584 | ||
585 | close (fd); | |
586 | ||
f15731c4 | 587 | /* Link it with the new file. */ |
1fac938e | 588 | link (temp_file, full_path); |
589 | ||
590 | /* Count the references on the old one. If we have a count of two, then | |
f15731c4 | 591 | the link did succeed. Remove the temporary file before returning. */ |
1fac938e | 592 | __gnat_stat (temp_file, &stat_result); |
593 | unlink (temp_file); | |
594 | return stat_result.st_nlink == 2; | |
595 | } | |
596 | #endif | |
597 | ||
598 | /* Return the maximum file name length. */ | |
599 | ||
600 | int | |
6f2c2693 | 601 | __gnat_get_maximum_file_name_length (void) |
1fac938e | 602 | { |
30592778 | 603 | #if defined (VMS) |
1fac938e | 604 | if (getenv ("GNAT$EXTENDED_FILE_SPECIFICATIONS")) |
605 | return -1; | |
606 | else | |
607 | return 39; | |
608 | #else | |
609 | return -1; | |
610 | #endif | |
611 | } | |
612 | ||
1fac938e | 613 | /* Return nonzero if file names are case sensitive. */ |
614 | ||
cda81c7b | 615 | static int file_names_case_sensitive_cache = -1; |
616 | ||
1fac938e | 617 | int |
6f2c2693 | 618 | __gnat_get_file_names_case_sensitive (void) |
1fac938e | 619 | { |
cda81c7b | 620 | if (file_names_case_sensitive_cache == -1) |
621 | { | |
622 | const char *sensitive = getenv ("GNAT_FILE_NAME_CASE_SENSITIVE"); | |
cd2495b4 | 623 | |
cda81c7b | 624 | if (sensitive != NULL |
625 | && (sensitive[0] == '0' || sensitive[0] == '1') | |
626 | && sensitive[1] == '\0') | |
627 | file_names_case_sensitive_cache = sensitive[0] - '0'; | |
628 | else | |
6cba2d6a | 629 | #if defined (VMS) || defined (WINNT) || defined (__APPLE__) |
cda81c7b | 630 | file_names_case_sensitive_cache = 0; |
1fac938e | 631 | #else |
cda81c7b | 632 | file_names_case_sensitive_cache = 1; |
1fac938e | 633 | #endif |
cda81c7b | 634 | } |
635 | return file_names_case_sensitive_cache; | |
1fac938e | 636 | } |
637 | ||
a027cdc7 | 638 | /* Return nonzero if environment variables are case sensitive. */ |
639 | ||
640 | int | |
641 | __gnat_get_env_vars_case_sensitive (void) | |
642 | { | |
643 | #if defined (VMS) || defined (WINNT) | |
644 | return 0; | |
645 | #else | |
646 | return 1; | |
647 | #endif | |
648 | } | |
649 | ||
1fac938e | 650 | char |
6f2c2693 | 651 | __gnat_get_default_identifier_character_set (void) |
1fac938e | 652 | { |
1fac938e | 653 | return '1'; |
1fac938e | 654 | } |
655 | ||
f15731c4 | 656 | /* Return the current working directory. */ |
1fac938e | 657 | |
658 | void | |
9dfe12ae | 659 | __gnat_get_current_dir (char *dir, int *length) |
1fac938e | 660 | { |
3b18b370 | 661 | #if defined (__MINGW32__) |
662 | TCHAR wdir[GNAT_MAX_PATH_LEN]; | |
663 | ||
664 | _tgetcwd (wdir, *length); | |
665 | ||
f60cc57d | 666 | WS2SC (dir, wdir, GNAT_MAX_PATH_LEN); |
3b18b370 | 667 | |
668 | #elif defined (VMS) | |
1fac938e | 669 | /* Force Unix style, which is what GNAT uses internally. */ |
670 | getcwd (dir, *length, 0); | |
671 | #else | |
672 | getcwd (dir, *length); | |
673 | #endif | |
674 | ||
675 | *length = strlen (dir); | |
676 | ||
9dfe12ae | 677 | if (dir [*length - 1] != DIR_SEPARATOR) |
678 | { | |
679 | dir [*length] = DIR_SEPARATOR; | |
680 | ++(*length); | |
681 | } | |
f15731c4 | 682 | dir[*length] = '\0'; |
1fac938e | 683 | } |
684 | ||
f15731c4 | 685 | /* Return the suffix for object files. */ |
1fac938e | 686 | |
687 | void | |
9dfe12ae | 688 | __gnat_get_object_suffix_ptr (int *len, const char **value) |
1fac938e | 689 | { |
690 | *value = HOST_OBJECT_SUFFIX; | |
691 | ||
692 | if (*value == 0) | |
693 | *len = 0; | |
694 | else | |
695 | *len = strlen (*value); | |
696 | ||
697 | return; | |
698 | } | |
699 | ||
f15731c4 | 700 | /* Return the suffix for executable files. */ |
1fac938e | 701 | |
702 | void | |
9dfe12ae | 703 | __gnat_get_executable_suffix_ptr (int *len, const char **value) |
1fac938e | 704 | { |
705 | *value = HOST_EXECUTABLE_SUFFIX; | |
706 | if (!*value) | |
707 | *len = 0; | |
708 | else | |
709 | *len = strlen (*value); | |
710 | ||
711 | return; | |
712 | } | |
713 | ||
714 | /* Return the suffix for debuggable files. Usually this is the same as the | |
f15731c4 | 715 | executable extension. */ |
1fac938e | 716 | |
717 | void | |
9dfe12ae | 718 | __gnat_get_debuggable_suffix_ptr (int *len, const char **value) |
1fac938e | 719 | { |
1fac938e | 720 | *value = HOST_EXECUTABLE_SUFFIX; |
1fac938e | 721 | |
722 | if (*value == 0) | |
723 | *len = 0; | |
724 | else | |
725 | *len = strlen (*value); | |
726 | ||
727 | return; | |
728 | } | |
729 | ||
1aa4b9ce | 730 | /* Returns the OS filename and corresponding encoding. */ |
731 | ||
732 | void | |
12e8797f | 733 | __gnat_os_filename (char *filename ATTRIBUTE_UNUSED, |
734 | char *w_filename ATTRIBUTE_UNUSED, | |
1aa4b9ce | 735 | char *os_name, int *o_length, |
c62e34a4 | 736 | char *encoding ATTRIBUTE_UNUSED, int *e_length) |
1aa4b9ce | 737 | { |
8c7d3bad | 738 | #if defined (_WIN32) && ! defined (__vxworks) && ! defined (IS_CROSS) |
7bb7733e | 739 | WS2SC (os_name, (TCHAR *)w_filename, (DWORD)*o_length); |
1aa4b9ce | 740 | *o_length = strlen (os_name); |
741 | strcpy (encoding, "encoding=utf8"); | |
742 | *e_length = strlen (encoding); | |
743 | #else | |
744 | strcpy (os_name, filename); | |
745 | *o_length = strlen (filename); | |
746 | *e_length = 0; | |
747 | #endif | |
748 | } | |
749 | ||
13320214 | 750 | /* Delete a file. */ |
751 | ||
752 | int | |
753 | __gnat_unlink (char *path) | |
754 | { | |
8c7d3bad | 755 | #if defined (__MINGW32__) && ! defined (__vxworks) && ! defined (IS_CROSS) |
13320214 | 756 | { |
757 | TCHAR wpath[GNAT_MAX_PATH_LEN]; | |
758 | ||
f60cc57d | 759 | S2WSC (wpath, path, GNAT_MAX_PATH_LEN); |
13320214 | 760 | return _tunlink (wpath); |
761 | } | |
762 | #else | |
763 | return unlink (path); | |
764 | #endif | |
765 | } | |
766 | ||
767 | /* Rename a file. */ | |
768 | ||
769 | int | |
770 | __gnat_rename (char *from, char *to) | |
771 | { | |
8c7d3bad | 772 | #if defined (__MINGW32__) && ! defined (__vxworks) && ! defined (IS_CROSS) |
13320214 | 773 | { |
774 | TCHAR wfrom[GNAT_MAX_PATH_LEN], wto[GNAT_MAX_PATH_LEN]; | |
775 | ||
f60cc57d | 776 | S2WSC (wfrom, from, GNAT_MAX_PATH_LEN); |
777 | S2WSC (wto, to, GNAT_MAX_PATH_LEN); | |
13320214 | 778 | return _trename (wfrom, wto); |
779 | } | |
780 | #else | |
781 | return rename (from, to); | |
782 | #endif | |
783 | } | |
784 | ||
a8d94a8f | 785 | /* Changing directory. */ |
786 | ||
787 | int | |
788 | __gnat_chdir (char *path) | |
789 | { | |
8c7d3bad | 790 | #if defined (__MINGW32__) && ! defined (__vxworks) && ! defined (IS_CROSS) |
a8d94a8f | 791 | { |
792 | TCHAR wpath[GNAT_MAX_PATH_LEN]; | |
793 | ||
f60cc57d | 794 | S2WSC (wpath, path, GNAT_MAX_PATH_LEN); |
a8d94a8f | 795 | return _tchdir (wpath); |
796 | } | |
797 | #else | |
798 | return chdir (path); | |
799 | #endif | |
800 | } | |
801 | ||
437991c2 | 802 | /* Removing a directory. */ |
803 | ||
804 | int | |
805 | __gnat_rmdir (char *path) | |
806 | { | |
8c7d3bad | 807 | #if defined (__MINGW32__) && ! defined (__vxworks) && ! defined (IS_CROSS) |
437991c2 | 808 | { |
809 | TCHAR wpath[GNAT_MAX_PATH_LEN]; | |
810 | ||
f60cc57d | 811 | S2WSC (wpath, path, GNAT_MAX_PATH_LEN); |
437991c2 | 812 | return _trmdir (wpath); |
813 | } | |
2db7aef0 | 814 | #elif defined (VTHREADS) |
815 | /* rmdir not available */ | |
816 | return -1; | |
437991c2 | 817 | #else |
818 | return rmdir (path); | |
819 | #endif | |
820 | } | |
821 | ||
e2c62f37 | 822 | FILE * |
c62e34a4 | 823 | __gnat_fopen (char *path, char *mode, int encoding ATTRIBUTE_UNUSED) |
e2c62f37 | 824 | { |
8c7d3bad | 825 | #if defined (_WIN32) && ! defined (__vxworks) && ! defined (IS_CROSS) |
e2c62f37 | 826 | TCHAR wpath[GNAT_MAX_PATH_LEN]; |
827 | TCHAR wmode[10]; | |
828 | ||
e2c62f37 | 829 | S2WS (wmode, mode, 10); |
1e622f0e | 830 | |
f60cc57d | 831 | if (encoding == Encoding_Unspecified) |
832 | S2WSC (wpath, path, GNAT_MAX_PATH_LEN); | |
833 | else if (encoding == Encoding_UTF8) | |
1e622f0e | 834 | S2WSU (wpath, path, GNAT_MAX_PATH_LEN); |
835 | else | |
836 | S2WS (wpath, path, GNAT_MAX_PATH_LEN); | |
837 | ||
e2c62f37 | 838 | return _tfopen (wpath, wmode); |
1e622f0e | 839 | #elif defined (VMS) |
840 | return decc$fopen (path, mode); | |
e2c62f37 | 841 | #else |
8cb516d7 | 842 | return GNAT_FOPEN (path, mode); |
7465a8fe | 843 | #endif |
e2c62f37 | 844 | } |
845 | ||
e2c62f37 | 846 | FILE * |
d9c927cc | 847 | __gnat_freopen (char *path, |
848 | char *mode, | |
849 | FILE *stream, | |
850 | int encoding ATTRIBUTE_UNUSED) | |
e2c62f37 | 851 | { |
8c7d3bad | 852 | #if defined (_WIN32) && ! defined (__vxworks) && ! defined (IS_CROSS) |
e2c62f37 | 853 | TCHAR wpath[GNAT_MAX_PATH_LEN]; |
854 | TCHAR wmode[10]; | |
855 | ||
e2c62f37 | 856 | S2WS (wmode, mode, 10); |
1e622f0e | 857 | |
f60cc57d | 858 | if (encoding == Encoding_Unspecified) |
859 | S2WSC (wpath, path, GNAT_MAX_PATH_LEN); | |
860 | else if (encoding == Encoding_UTF8) | |
1e622f0e | 861 | S2WSU (wpath, path, GNAT_MAX_PATH_LEN); |
862 | else | |
863 | S2WS (wpath, path, GNAT_MAX_PATH_LEN); | |
864 | ||
e2c62f37 | 865 | return _tfreopen (wpath, wmode, stream); |
1e622f0e | 866 | #elif defined (VMS) |
867 | return decc$freopen (path, mode, stream); | |
e2c62f37 | 868 | #else |
869 | return freopen (path, mode, stream); | |
870 | #endif | |
871 | } | |
872 | ||
1fac938e | 873 | int |
9dfe12ae | 874 | __gnat_open_read (char *path, int fmode) |
1fac938e | 875 | { |
876 | int fd; | |
877 | int o_fmode = O_BINARY; | |
878 | ||
879 | if (fmode) | |
880 | o_fmode = O_TEXT; | |
881 | ||
f15731c4 | 882 | #if defined (VMS) |
883 | /* Optional arguments mbc,deq,fop increase read performance. */ | |
1fac938e | 884 | fd = open (path, O_RDONLY | o_fmode, 0444, |
885 | "mbc=16", "deq=64", "fop=tef"); | |
f15731c4 | 886 | #elif defined (__vxworks) |
1fac938e | 887 | fd = open (path, O_RDONLY | o_fmode, 0444); |
3b18b370 | 888 | #elif defined (__MINGW32__) |
889 | { | |
890 | TCHAR wpath[GNAT_MAX_PATH_LEN]; | |
891 | ||
f60cc57d | 892 | S2WSC (wpath, path, GNAT_MAX_PATH_LEN); |
3b18b370 | 893 | fd = _topen (wpath, O_RDONLY | o_fmode, 0444); |
894 | } | |
1fac938e | 895 | #else |
896 | fd = open (path, O_RDONLY | o_fmode); | |
897 | #endif | |
f15731c4 | 898 | |
1fac938e | 899 | return fd < 0 ? -1 : fd; |
900 | } | |
901 | ||
30592778 | 902 | #if defined (__MINGW32__) |
1fac938e | 903 | #define PERM (S_IREAD | S_IWRITE) |
9dfe12ae | 904 | #elif defined (VMS) |
905 | /* Excerpt from DECC C RTL Reference Manual: | |
906 | To create files with OpenVMS RMS default protections using the UNIX | |
907 | system-call functions umask, mkdir, creat, and open, call mkdir, creat, | |
908 | and open with a file-protection mode argument of 0777 in a program | |
909 | that never specifically calls umask. These default protections include | |
910 | correctly establishing protections based on ACLs, previous versions of | |
911 | files, and so on. */ | |
912 | #define PERM 0777 | |
1fac938e | 913 | #else |
914 | #define PERM (S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH | S_IWOTH) | |
915 | #endif | |
916 | ||
917 | int | |
9dfe12ae | 918 | __gnat_open_rw (char *path, int fmode) |
1fac938e | 919 | { |
920 | int fd; | |
921 | int o_fmode = O_BINARY; | |
922 | ||
923 | if (fmode) | |
924 | o_fmode = O_TEXT; | |
925 | ||
f15731c4 | 926 | #if defined (VMS) |
1fac938e | 927 | fd = open (path, O_RDWR | o_fmode, PERM, |
928 | "mbc=16", "deq=64", "fop=tef"); | |
3b18b370 | 929 | #elif defined (__MINGW32__) |
930 | { | |
931 | TCHAR wpath[GNAT_MAX_PATH_LEN]; | |
932 | ||
f60cc57d | 933 | S2WSC (wpath, path, GNAT_MAX_PATH_LEN); |
3b18b370 | 934 | fd = _topen (wpath, O_RDWR | o_fmode, PERM); |
935 | } | |
1fac938e | 936 | #else |
937 | fd = open (path, O_RDWR | o_fmode, PERM); | |
938 | #endif | |
939 | ||
940 | return fd < 0 ? -1 : fd; | |
941 | } | |
942 | ||
943 | int | |
9dfe12ae | 944 | __gnat_open_create (char *path, int fmode) |
1fac938e | 945 | { |
946 | int fd; | |
947 | int o_fmode = O_BINARY; | |
948 | ||
949 | if (fmode) | |
950 | o_fmode = O_TEXT; | |
951 | ||
f15731c4 | 952 | #if defined (VMS) |
1fac938e | 953 | fd = open (path, O_WRONLY | O_CREAT | O_TRUNC | o_fmode, PERM, |
954 | "mbc=16", "deq=64", "fop=tef"); | |
3b18b370 | 955 | #elif defined (__MINGW32__) |
956 | { | |
957 | TCHAR wpath[GNAT_MAX_PATH_LEN]; | |
958 | ||
f60cc57d | 959 | S2WSC (wpath, path, GNAT_MAX_PATH_LEN); |
3b18b370 | 960 | fd = _topen (wpath, O_WRONLY | O_CREAT | O_TRUNC | o_fmode, PERM); |
961 | } | |
1fac938e | 962 | #else |
963 | fd = open (path, O_WRONLY | O_CREAT | O_TRUNC | o_fmode, PERM); | |
964 | #endif | |
965 | ||
966 | return fd < 0 ? -1 : fd; | |
28ed91d4 | 967 | } |
968 | ||
969 | int | |
970 | __gnat_create_output_file (char *path) | |
971 | { | |
972 | int fd; | |
973 | #if defined (VMS) | |
974 | fd = open (path, O_WRONLY | O_CREAT | O_TRUNC | O_TEXT, PERM, | |
975 | "rfm=stmlf", "ctx=rec", "rat=none", "rop=nlk", | |
976 | "shr=del,get,put,upd"); | |
3b18b370 | 977 | #elif defined (__MINGW32__) |
978 | { | |
979 | TCHAR wpath[GNAT_MAX_PATH_LEN]; | |
980 | ||
f60cc57d | 981 | S2WSC (wpath, path, GNAT_MAX_PATH_LEN); |
3b18b370 | 982 | fd = _topen (wpath, O_WRONLY | O_CREAT | O_TRUNC | O_TEXT, PERM); |
983 | } | |
28ed91d4 | 984 | #else |
985 | fd = open (path, O_WRONLY | O_CREAT | O_TRUNC | O_TEXT, PERM); | |
986 | #endif | |
987 | ||
988 | return fd < 0 ? -1 : fd; | |
1fac938e | 989 | } |
990 | ||
df40eeb0 | 991 | int |
992 | __gnat_create_output_file_new (char *path) | |
993 | { | |
994 | int fd; | |
995 | #if defined (VMS) | |
996 | fd = open (path, O_WRONLY | O_CREAT | O_TRUNC | O_TEXT | O_EXCL, PERM, | |
997 | "rfm=stmlf", "ctx=rec", "rat=none", "rop=nlk", | |
998 | "shr=del,get,put,upd"); | |
999 | #elif defined (__MINGW32__) | |
1000 | { | |
1001 | TCHAR wpath[GNAT_MAX_PATH_LEN]; | |
1002 | ||
1003 | S2WSC (wpath, path, GNAT_MAX_PATH_LEN); | |
1004 | fd = _topen (wpath, O_WRONLY | O_CREAT | O_TRUNC | O_TEXT | O_EXCL, PERM); | |
1005 | } | |
1006 | #else | |
1007 | fd = open (path, O_WRONLY | O_CREAT | O_TRUNC | O_TEXT | O_EXCL, PERM); | |
1008 | #endif | |
1009 | ||
1010 | return fd < 0 ? -1 : fd; | |
1011 | } | |
1012 | ||
1fac938e | 1013 | int |
9dfe12ae | 1014 | __gnat_open_append (char *path, int fmode) |
1fac938e | 1015 | { |
1016 | int fd; | |
1017 | int o_fmode = O_BINARY; | |
1018 | ||
1019 | if (fmode) | |
1020 | o_fmode = O_TEXT; | |
1021 | ||
f15731c4 | 1022 | #if defined (VMS) |
1fac938e | 1023 | fd = open (path, O_WRONLY | O_CREAT | O_APPEND | o_fmode, PERM, |
1024 | "mbc=16", "deq=64", "fop=tef"); | |
3b18b370 | 1025 | #elif defined (__MINGW32__) |
1026 | { | |
1027 | TCHAR wpath[GNAT_MAX_PATH_LEN]; | |
1028 | ||
f60cc57d | 1029 | S2WSC (wpath, path, GNAT_MAX_PATH_LEN); |
3b18b370 | 1030 | fd = _topen (wpath, O_WRONLY | O_CREAT | O_APPEND | o_fmode, PERM); |
1031 | } | |
1fac938e | 1032 | #else |
1033 | fd = open (path, O_WRONLY | O_CREAT | O_APPEND | o_fmode, PERM); | |
1034 | #endif | |
1035 | ||
1036 | return fd < 0 ? -1 : fd; | |
1037 | } | |
1038 | ||
f15731c4 | 1039 | /* Open a new file. Return error (-1) if the file already exists. */ |
1fac938e | 1040 | |
1041 | int | |
9dfe12ae | 1042 | __gnat_open_new (char *path, int fmode) |
1fac938e | 1043 | { |
1044 | int fd; | |
1045 | int o_fmode = O_BINARY; | |
1046 | ||
1047 | if (fmode) | |
1048 | o_fmode = O_TEXT; | |
1049 | ||
f15731c4 | 1050 | #if defined (VMS) |
1fac938e | 1051 | fd = open (path, O_WRONLY | O_CREAT | O_EXCL | o_fmode, PERM, |
1052 | "mbc=16", "deq=64", "fop=tef"); | |
3b18b370 | 1053 | #elif defined (__MINGW32__) |
1054 | { | |
1055 | TCHAR wpath[GNAT_MAX_PATH_LEN]; | |
1056 | ||
f60cc57d | 1057 | S2WSC (wpath, path, GNAT_MAX_PATH_LEN); |
3b18b370 | 1058 | fd = _topen (wpath, O_WRONLY | O_CREAT | O_EXCL | o_fmode, PERM); |
1059 | } | |
1fac938e | 1060 | #else |
1061 | fd = open (path, O_WRONLY | O_CREAT | O_EXCL | o_fmode, PERM); | |
1062 | #endif | |
1063 | ||
1064 | return fd < 0 ? -1 : fd; | |
1065 | } | |
1066 | ||
1067 | /* Open a new temp file. Return error (-1) if the file already exists. | |
f15731c4 | 1068 | Special options for VMS allow the file to be shared between parent and child |
1069 | processes, however they really slow down output. Used in gnatchop. */ | |
1fac938e | 1070 | |
1071 | int | |
9dfe12ae | 1072 | __gnat_open_new_temp (char *path, int fmode) |
1fac938e | 1073 | { |
1074 | int fd; | |
1075 | int o_fmode = O_BINARY; | |
1076 | ||
1077 | strcpy (path, "GNAT-XXXXXX"); | |
1078 | ||
e0324ff5 | 1079 | #if (defined (__FreeBSD__) || defined (__NetBSD__) || defined (__OpenBSD__) \ |
9d093602 | 1080 | || defined (linux) || defined(__GLIBC__)) && !defined (__vxworks) |
1fac938e | 1081 | return mkstemp (path); |
159eb63c | 1082 | #elif defined (__Lynx__) |
1083 | mktemp (path); | |
5091bc2f | 1084 | #elif defined (__nucleus__) |
1085 | return -1; | |
1fac938e | 1086 | #else |
1087 | if (mktemp (path) == NULL) | |
1088 | return -1; | |
1089 | #endif | |
1090 | ||
1091 | if (fmode) | |
1092 | o_fmode = O_TEXT; | |
1093 | ||
f15731c4 | 1094 | #if defined (VMS) |
1fac938e | 1095 | fd = open (path, O_WRONLY | O_CREAT | O_EXCL | o_fmode, PERM, |
1096 | "rfm=stmlf", "ctx=rec", "rat=none", "shr=del,get,put,upd", | |
1097 | "mbc=16", "deq=64", "fop=tef"); | |
1098 | #else | |
1099 | fd = open (path, O_WRONLY | O_CREAT | O_EXCL | o_fmode, PERM); | |
1100 | #endif | |
1101 | ||
1102 | return fd < 0 ? -1 : fd; | |
1103 | } | |
1104 | ||
5f93bcbf | 1105 | /**************************************************************** |
1106 | ** Perform a call to GNAT_STAT or GNAT_FSTAT, and extract as much information | |
1107 | ** as possible from it, storing the result in a cache for later reuse | |
1108 | ****************************************************************/ | |
1fac938e | 1109 | |
5f93bcbf | 1110 | void |
1111 | __gnat_stat_to_attr (int fd, char* name, struct file_attributes* attr) | |
1fac938e | 1112 | { |
8cb516d7 | 1113 | GNAT_STRUCT_STAT statbuf; |
5f93bcbf | 1114 | int ret; |
1fac938e | 1115 | |
5f93bcbf | 1116 | if (fd != -1) |
1117 | ret = GNAT_FSTAT (fd, &statbuf); | |
1118 | else | |
1119 | ret = __gnat_stat (name, &statbuf); | |
1120 | ||
1121 | attr->regular = (!ret && S_ISREG (statbuf.st_mode)); | |
1122 | attr->directory = (!ret && S_ISDIR (statbuf.st_mode)); | |
1fac938e | 1123 | |
5f93bcbf | 1124 | if (!attr->regular) |
1125 | attr->file_length = 0; | |
1126 | else | |
1127 | /* st_size may be 32 bits, or 64 bits which is converted to long. We | |
1128 | don't return a useful value for files larger than 2 gigabytes in | |
1129 | either case. */ | |
1130 | attr->file_length = statbuf.st_size; /* all systems */ | |
1131 | ||
5f93bcbf | 1132 | attr->exists = !ret; |
5f93bcbf | 1133 | |
1134 | #if !defined (_WIN32) || defined (RTX) | |
1135 | /* on Windows requires extra system call, see __gnat_is_readable_file_attr */ | |
1136 | attr->readable = (!ret && (statbuf.st_mode & S_IRUSR)); | |
1137 | attr->writable = (!ret && (statbuf.st_mode & S_IWUSR)); | |
1138 | attr->executable = (!ret && (statbuf.st_mode & S_IXUSR)); | |
1139 | #endif | |
1140 | ||
5f93bcbf | 1141 | if (ret != 0) { |
1142 | attr->timestamp = (OS_Time)-1; | |
1143 | } else { | |
1144 | #ifdef VMS | |
1145 | /* VMS has file versioning. */ | |
1146 | attr->timestamp = (OS_Time)statbuf.st_ctime; | |
1147 | #else | |
1148 | attr->timestamp = (OS_Time)statbuf.st_mtime; | |
1149 | #endif | |
1150 | } | |
1fac938e | 1151 | } |
1152 | ||
5f93bcbf | 1153 | /**************************************************************** |
1154 | ** Return the number of bytes in the specified file | |
1155 | ****************************************************************/ | |
d24d7e81 | 1156 | |
1157 | long | |
5f93bcbf | 1158 | __gnat_file_length_attr (int fd, char* name, struct file_attributes* attr) |
d24d7e81 | 1159 | { |
5f93bcbf | 1160 | if (attr->file_length == -1) { |
1161 | __gnat_stat_to_attr (fd, name, attr); | |
1162 | } | |
d24d7e81 | 1163 | |
5f93bcbf | 1164 | return attr->file_length; |
1165 | } | |
d24d7e81 | 1166 | |
5f93bcbf | 1167 | long |
1168 | __gnat_file_length (int fd) | |
1169 | { | |
1170 | struct file_attributes attr; | |
d2697a05 | 1171 | __gnat_reset_attributes (&attr); |
5f93bcbf | 1172 | return __gnat_file_length_attr (fd, NULL, &attr); |
1173 | } | |
c85cfca7 | 1174 | |
5f93bcbf | 1175 | long |
1176 | __gnat_named_file_length (char *name) | |
1177 | { | |
1178 | struct file_attributes attr; | |
d2697a05 | 1179 | __gnat_reset_attributes (&attr); |
5f93bcbf | 1180 | return __gnat_file_length_attr (-1, name, &attr); |
d24d7e81 | 1181 | } |
1182 | ||
1fac938e | 1183 | /* Create a temporary filename and put it in string pointed to by |
f15731c4 | 1184 | TMP_FILENAME. */ |
1fac938e | 1185 | |
1186 | void | |
9dfe12ae | 1187 | __gnat_tmp_name (char *tmp_filename) |
1fac938e | 1188 | { |
72772d89 | 1189 | #ifdef RTX |
f5099270 | 1190 | /* Variable used to create a series of unique names */ |
1191 | static int counter = 0; | |
1192 | ||
1193 | /* RTX in RTSS mode does not support tempnam nor tmpnam so we emulate it */ | |
1194 | strcpy (tmp_filename, "c:\\WINDOWS\\Temp\\gnat-"); | |
1195 | sprintf (&tmp_filename[strlen (tmp_filename)], "%d\0", counter++); | |
72772d89 | 1196 | |
1197 | #elif defined (__MINGW32__) | |
1fac938e | 1198 | { |
1199 | char *pname; | |
8db090bd | 1200 | char prefix[25]; |
1fac938e | 1201 | |
1202 | /* tempnam tries to create a temporary file in directory pointed to by | |
1203 | TMP environment variable, in c:\temp if TMP is not set, and in | |
1204 | directory specified by P_tmpdir in stdio.h if c:\temp does not | |
1205 | exist. The filename will be created with the prefix "gnat-". */ | |
1206 | ||
8db090bd | 1207 | sprintf (prefix, "gnat-%d-", (int)getpid()); |
1208 | pname = (char *) _tempnam ("c:\\temp", prefix); | |
1fac938e | 1209 | |
9dfe12ae | 1210 | /* if pname is NULL, the file was not created properly, the disk is full |
1211 | or there is no more free temporary files */ | |
1212 | ||
1213 | if (pname == NULL) | |
1214 | *tmp_filename = '\0'; | |
1215 | ||
f15731c4 | 1216 | /* If pname start with a back slash and not path information it means that |
1217 | the filename is valid for the current working directory. */ | |
1fac938e | 1218 | |
9dfe12ae | 1219 | else if (pname[0] == '\\') |
1fac938e | 1220 | { |
1221 | strcpy (tmp_filename, ".\\"); | |
1222 | strcat (tmp_filename, pname+1); | |
1223 | } | |
1224 | else | |
1225 | strcpy (tmp_filename, pname); | |
1226 | ||
1227 | free (pname); | |
1228 | } | |
f15731c4 | 1229 | |
e0324ff5 | 1230 | #elif defined (linux) || defined (__FreeBSD__) || defined (__NetBSD__) \ |
9d093602 | 1231 | || defined (__OpenBSD__) || defined(__GLIBC__) |
9dfe12ae | 1232 | #define MAX_SAFE_PATH 1000 |
1fac938e | 1233 | char *tmpdir = getenv ("TMPDIR"); |
1234 | ||
9dfe12ae | 1235 | /* If tmpdir is longer than MAX_SAFE_PATH, revert to default value to avoid |
1236 | a buffer overflow. */ | |
1237 | if (tmpdir == NULL || strlen (tmpdir) > MAX_SAFE_PATH) | |
1fac938e | 1238 | strcpy (tmp_filename, "/tmp/gnat-XXXXXX"); |
1239 | else | |
9dfe12ae | 1240 | sprintf (tmp_filename, "%s/gnat-XXXXXX", tmpdir); |
1fac938e | 1241 | |
1242 | close (mkstemp(tmp_filename)); | |
f5688ed4 | 1243 | #elif defined (__vxworks) && !(defined (__RTP__) || defined (VTHREADS)) |
1244 | int index; | |
1245 | char * pos; | |
1246 | ushort_t t; | |
1247 | static ushort_t seed = 0; /* used to generate unique name */ | |
1248 | ||
1249 | /* generate unique name */ | |
1250 | strcpy (tmp_filename, "tmp"); | |
1251 | ||
1252 | /* fill up the name buffer from the last position */ | |
1253 | index = 5; | |
1254 | pos = tmp_filename + strlen (tmp_filename) + index; | |
1255 | *pos = '\0'; | |
1256 | ||
1257 | seed++; | |
1258 | for (t = seed; 0 <= --index; t >>= 3) | |
1259 | *--pos = '0' + (t & 07); | |
1fac938e | 1260 | #else |
1261 | tmpnam (tmp_filename); | |
1262 | #endif | |
1263 | } | |
1264 | ||
3b18b370 | 1265 | /* Open directory and returns a DIR pointer. */ |
1266 | ||
1267 | DIR* __gnat_opendir (char *name) | |
1268 | { | |
e2a33c18 | 1269 | #if defined (RTX) |
1270 | /* Not supported in RTX */ | |
1271 | ||
1272 | return NULL; | |
1273 | ||
1274 | #elif defined (__MINGW32__) | |
3b18b370 | 1275 | TCHAR wname[GNAT_MAX_PATH_LEN]; |
1276 | ||
f60cc57d | 1277 | S2WSC (wname, name, GNAT_MAX_PATH_LEN); |
3b18b370 | 1278 | return (DIR*)_topendir (wname); |
1279 | ||
1280 | #else | |
1281 | return opendir (name); | |
1282 | #endif | |
1283 | } | |
1284 | ||
1fac938e | 1285 | /* Read the next entry in a directory. The returned string points somewhere |
1286 | in the buffer. */ | |
1287 | ||
1288 | char * | |
3b18b370 | 1289 | __gnat_readdir (DIR *dirp, char *buffer, int *len) |
1fac938e | 1290 | { |
e2a33c18 | 1291 | #if defined (RTX) |
1292 | /* Not supported in RTX */ | |
1293 | ||
1294 | return NULL; | |
8e726ab4 | 1295 | |
e2a33c18 | 1296 | #elif defined (__MINGW32__) |
3b18b370 | 1297 | struct _tdirent *dirent = _treaddir ((_TDIR*)dirp); |
1298 | ||
1299 | if (dirent != NULL) | |
1300 | { | |
f60cc57d | 1301 | WS2SC (buffer, dirent->d_name, GNAT_MAX_PATH_LEN); |
3b18b370 | 1302 | *len = strlen (buffer); |
1303 | ||
1304 | return buffer; | |
1305 | } | |
1306 | else | |
1307 | return NULL; | |
1308 | ||
1309 | #elif defined (HAVE_READDIR_R) | |
1fac938e | 1310 | /* If possible, try to use the thread-safe version. */ |
1fac938e | 1311 | if (readdir_r (dirp, buffer) != NULL) |
1aa4b9ce | 1312 | { |
1313 | *len = strlen (((struct dirent*) buffer)->d_name); | |
1314 | return ((struct dirent*) buffer)->d_name; | |
1315 | } | |
1fac938e | 1316 | else |
1317 | return NULL; | |
1318 | ||
1319 | #else | |
5b941af6 | 1320 | struct dirent *dirent = (struct dirent *) readdir (dirp); |
1fac938e | 1321 | |
1322 | if (dirent != NULL) | |
1323 | { | |
1324 | strcpy (buffer, dirent->d_name); | |
3b18b370 | 1325 | *len = strlen (buffer); |
1fac938e | 1326 | return buffer; |
1327 | } | |
1328 | else | |
1329 | return NULL; | |
1330 | ||
1331 | #endif | |
1332 | } | |
1333 | ||
3b18b370 | 1334 | /* Close a directory entry. */ |
1335 | ||
1336 | int __gnat_closedir (DIR *dirp) | |
1337 | { | |
e2a33c18 | 1338 | #if defined (RTX) |
1339 | /* Not supported in RTX */ | |
1340 | ||
1341 | return 0; | |
1342 | ||
1343 | #elif defined (__MINGW32__) | |
3b18b370 | 1344 | return _tclosedir ((_TDIR*)dirp); |
1345 | ||
1346 | #else | |
1347 | return closedir (dirp); | |
1348 | #endif | |
1349 | } | |
1350 | ||
1fac938e | 1351 | /* Returns 1 if readdir is thread safe, 0 otherwise. */ |
1352 | ||
1353 | int | |
6f2c2693 | 1354 | __gnat_readdir_is_thread_safe (void) |
1fac938e | 1355 | { |
1356 | #ifdef HAVE_READDIR_R | |
1357 | return 1; | |
1358 | #else | |
1359 | return 0; | |
1360 | #endif | |
1361 | } | |
1362 | ||
e2a33c18 | 1363 | #if defined (_WIN32) && !defined (RTX) |
982e2721 | 1364 | /* Number of seconds between <Jan 1st 1601> and <Jan 1st 1970>. */ |
1365 | static const unsigned long long w32_epoch_offset = 11644473600ULL; | |
1fac938e | 1366 | |
1367 | /* Returns the file modification timestamp using Win32 routines which are | |
1368 | immune against daylight saving time change. It is in fact not possible to | |
1369 | use fstat for this purpose as the DST modify the st_mtime field of the | |
1370 | stat structure. */ | |
1371 | ||
1372 | static time_t | |
9dfe12ae | 1373 | win32_filetime (HANDLE h) |
1fac938e | 1374 | { |
982e2721 | 1375 | union |
1376 | { | |
1377 | FILETIME ft_time; | |
1378 | unsigned long long ull_time; | |
1379 | } t_write; | |
1fac938e | 1380 | |
1381 | /* GetFileTime returns FILETIME data which are the number of 100 nanosecs | |
1382 | since <Jan 1st 1601>. This function must return the number of seconds | |
1383 | since <Jan 1st 1970>. */ | |
1384 | ||
982e2721 | 1385 | if (GetFileTime (h, NULL, NULL, &t_write.ft_time)) |
3b18b370 | 1386 | return (time_t) (t_write.ull_time / 10000000ULL - w32_epoch_offset); |
982e2721 | 1387 | return (time_t) 0; |
1fac938e | 1388 | } |
d7c2851f | 1389 | |
1390 | /* As above but starting from a FILETIME. */ | |
7edd5071 | 1391 | static void |
1392 | f2t (const FILETIME *ft, time_t *t) | |
d7c2851f | 1393 | { |
1394 | union | |
1395 | { | |
1396 | FILETIME ft_time; | |
1397 | unsigned long long ull_time; | |
1398 | } t_write; | |
1399 | ||
1400 | t_write.ft_time = *ft; | |
1401 | *t = (time_t) (t_write.ull_time / 10000000ULL - w32_epoch_offset); | |
1402 | } | |
1fac938e | 1403 | #endif |
1404 | ||
1405 | /* Return a GNAT time stamp given a file name. */ | |
1406 | ||
1bbc9831 | 1407 | OS_Time |
5f93bcbf | 1408 | __gnat_file_time_name_attr (char* name, struct file_attributes* attr) |
1fac938e | 1409 | { |
5f93bcbf | 1410 | if (attr->timestamp == (OS_Time)-2) { |
30592778 | 1411 | #if defined (_WIN32) && !defined (RTX) |
7edd5071 | 1412 | BOOL res; |
1413 | WIN32_FILE_ATTRIBUTE_DATA fad; | |
5f93bcbf | 1414 | time_t ret = -1; |
1415 | TCHAR wname[GNAT_MAX_PATH_LEN]; | |
1416 | S2WSC (wname, name, GNAT_MAX_PATH_LEN); | |
3b18b370 | 1417 | |
928c11f3 | 1418 | if ((res = GetFileAttributesEx (wname, GetFileExInfoStandard, &fad))) |
7edd5071 | 1419 | f2t (&fad.ftLastWriteTime, &ret); |
5f93bcbf | 1420 | attr->timestamp = (OS_Time) ret; |
1fac938e | 1421 | #else |
5f93bcbf | 1422 | __gnat_stat_to_attr (-1, name, attr); |
1fac938e | 1423 | #endif |
1bbc9831 | 1424 | } |
5f93bcbf | 1425 | return attr->timestamp; |
1426 | } | |
1427 | ||
1428 | OS_Time | |
1429 | __gnat_file_time_name (char *name) | |
1430 | { | |
1431 | struct file_attributes attr; | |
d2697a05 | 1432 | __gnat_reset_attributes (&attr); |
5f93bcbf | 1433 | return __gnat_file_time_name_attr (name, &attr); |
1fac938e | 1434 | } |
1435 | ||
1436 | /* Return a GNAT time stamp given a file descriptor. */ | |
1437 | ||
1bbc9831 | 1438 | OS_Time |
5f93bcbf | 1439 | __gnat_file_time_fd_attr (int fd, struct file_attributes* attr) |
1fac938e | 1440 | { |
5f93bcbf | 1441 | if (attr->timestamp == (OS_Time)-2) { |
30592778 | 1442 | #if defined (_WIN32) && !defined (RTX) |
5f93bcbf | 1443 | HANDLE h = (HANDLE) _get_osfhandle (fd); |
1444 | time_t ret = win32_filetime (h); | |
1445 | attr->timestamp = (OS_Time) ret; | |
1fac938e | 1446 | |
1447 | #else | |
5f93bcbf | 1448 | __gnat_stat_to_attr (fd, NULL, attr); |
1fac938e | 1449 | #endif |
5f93bcbf | 1450 | } |
1451 | ||
1452 | return attr->timestamp; | |
1453 | } | |
1454 | ||
1455 | OS_Time | |
1456 | __gnat_file_time_fd (int fd) | |
1457 | { | |
1458 | struct file_attributes attr; | |
d2697a05 | 1459 | __gnat_reset_attributes (&attr); |
5f93bcbf | 1460 | return __gnat_file_time_fd_attr (fd, &attr); |
1fac938e | 1461 | } |
1462 | ||
f15731c4 | 1463 | /* Set the file time stamp. */ |
d8dd2062 | 1464 | |
1465 | void | |
9dfe12ae | 1466 | __gnat_set_file_time_name (char *name, time_t time_stamp) |
d8dd2062 | 1467 | { |
30592778 | 1468 | #if defined (__vxworks) |
71a3e619 | 1469 | |
f15731c4 | 1470 | /* Code to implement __gnat_set_file_time_name for these systems. */ |
71a3e619 | 1471 | |
e2a33c18 | 1472 | #elif defined (_WIN32) && !defined (RTX) |
982e2721 | 1473 | union |
1474 | { | |
1475 | FILETIME ft_time; | |
1476 | unsigned long long ull_time; | |
1477 | } t_write; | |
3b18b370 | 1478 | TCHAR wname[GNAT_MAX_PATH_LEN]; |
fabb7dc5 | 1479 | |
f60cc57d | 1480 | S2WSC (wname, name, GNAT_MAX_PATH_LEN); |
3b18b370 | 1481 | |
1482 | HANDLE h = CreateFile | |
1483 | (wname, GENERIC_WRITE, FILE_SHARE_WRITE, NULL, | |
1484 | OPEN_EXISTING, FILE_FLAG_BACKUP_SEMANTICS, | |
1485 | NULL); | |
982e2721 | 1486 | if (h == INVALID_HANDLE_VALUE) |
1487 | return; | |
1488 | /* Add number of seconds between <Jan 1st 1601> and <Jan 1st 1970> */ | |
1489 | t_write.ull_time = ((unsigned long long)time_stamp + w32_epoch_offset); | |
1490 | /* Convert to 100 nanosecond units */ | |
1491 | t_write.ull_time *= 10000000ULL; | |
1492 | ||
1493 | SetFileTime(h, NULL, NULL, &t_write.ft_time); | |
1494 | CloseHandle (h); | |
1495 | return; | |
1496 | ||
d8dd2062 | 1497 | #elif defined (VMS) |
1498 | struct FAB fab; | |
1499 | struct NAM nam; | |
1500 | ||
1501 | struct | |
1502 | { | |
1503 | unsigned long long backup, create, expire, revise; | |
8620a406 | 1504 | unsigned int uic; |
d8dd2062 | 1505 | union |
1506 | { | |
1507 | unsigned short value; | |
1508 | struct | |
1509 | { | |
1510 | unsigned system : 4; | |
1511 | unsigned owner : 4; | |
1512 | unsigned group : 4; | |
1513 | unsigned world : 4; | |
1514 | } bits; | |
1515 | } prot; | |
f15731c4 | 1516 | } Fat = { 0, 0, 0, 0, 0, { 0 }}; |
d8dd2062 | 1517 | |
f15731c4 | 1518 | ATRDEF atrlst[] |
d8dd2062 | 1519 | = { |
1520 | { ATR$S_CREDATE, ATR$C_CREDATE, &Fat.create }, | |
1521 | { ATR$S_REVDATE, ATR$C_REVDATE, &Fat.revise }, | |
1522 | { ATR$S_EXPDATE, ATR$C_EXPDATE, &Fat.expire }, | |
1523 | { ATR$S_BAKDATE, ATR$C_BAKDATE, &Fat.backup }, | |
f15731c4 | 1524 | { ATR$S_FPRO, ATR$C_FPRO, &Fat.prot }, |
d8dd2062 | 1525 | { ATR$S_UIC, ATR$C_UIC, &Fat.uic }, |
1526 | { 0, 0, 0} | |
1527 | }; | |
1528 | ||
1529 | FIBDEF fib; | |
1530 | struct dsc$descriptor_fib fibdsc = {sizeof (fib), (void *) &fib}; | |
1531 | ||
1532 | struct IOSB iosb; | |
1533 | ||
1534 | unsigned long long newtime; | |
1535 | unsigned long long revtime; | |
1536 | long status; | |
1537 | short chan; | |
1538 | ||
1539 | struct vstring file; | |
1540 | struct dsc$descriptor_s filedsc | |
1541 | = {NAM$C_MAXRSS, DSC$K_DTYPE_T, DSC$K_CLASS_S, (void *) file.string}; | |
1542 | struct vstring device; | |
1543 | struct dsc$descriptor_s devicedsc | |
1544 | = {NAM$C_MAXRSS, DSC$K_DTYPE_T, DSC$K_CLASS_S, (void *) device.string}; | |
1545 | struct vstring timev; | |
1546 | struct dsc$descriptor_s timedsc | |
1547 | = {NAM$C_MAXRSS, DSC$K_DTYPE_T, DSC$K_CLASS_S, (void *) timev.string}; | |
1548 | struct vstring result; | |
1549 | struct dsc$descriptor_s resultdsc | |
1550 | = {NAM$C_MAXRSS, DSC$K_DTYPE_VT, DSC$K_CLASS_VS, (void *) result.string}; | |
1551 | ||
3b18b370 | 1552 | /* Convert parameter name (a file spec) to host file form. Note that this |
1553 | is needed on VMS to prepare for subsequent calls to VMS RMS library | |
1554 | routines. Note that it would not work to call __gnat_to_host_dir_spec | |
1555 | as was done in a previous version, since this fails silently unless | |
1556 | the feature logical DECC$EFS_CHARSET is enabled, in which case a DNF | |
1557 | (directory not found) condition is signalled. */ | |
1558 | tryfile = (char *) __gnat_to_host_file_spec (name); | |
d8dd2062 | 1559 | |
f15731c4 | 1560 | /* Allocate and initialize a FAB and NAM structures. */ |
d8dd2062 | 1561 | fab = cc$rms_fab; |
1562 | nam = cc$rms_nam; | |
1563 | ||
1564 | nam.nam$l_esa = file.string; | |
1565 | nam.nam$b_ess = NAM$C_MAXRSS; | |
1566 | nam.nam$l_rsa = result.string; | |
1567 | nam.nam$b_rss = NAM$C_MAXRSS; | |
1568 | fab.fab$l_fna = tryfile; | |
1569 | fab.fab$b_fns = strlen (tryfile); | |
1570 | fab.fab$l_nam = &nam; | |
1571 | ||
f15731c4 | 1572 | /* Validate filespec syntax and device existence. */ |
d8dd2062 | 1573 | status = SYS$PARSE (&fab, 0, 0); |
1574 | if ((status & 1) != 1) | |
1575 | LIB$SIGNAL (status); | |
1576 | ||
f15731c4 | 1577 | file.string[nam.nam$b_esl] = 0; |
d8dd2062 | 1578 | |
f15731c4 | 1579 | /* Find matching filespec. */ |
d8dd2062 | 1580 | status = SYS$SEARCH (&fab, 0, 0); |
1581 | if ((status & 1) != 1) | |
1582 | LIB$SIGNAL (status); | |
1583 | ||
f15731c4 | 1584 | file.string[nam.nam$b_esl] = 0; |
1585 | result.string[result.length=nam.nam$b_rsl] = 0; | |
d8dd2062 | 1586 | |
f15731c4 | 1587 | /* Get the device name and assign an IO channel. */ |
d8dd2062 | 1588 | strncpy (device.string, nam.nam$l_dev, nam.nam$b_dev); |
1589 | devicedsc.dsc$w_length = nam.nam$b_dev; | |
1590 | chan = 0; | |
1591 | status = SYS$ASSIGN (&devicedsc, &chan, 0, 0, 0); | |
1592 | if ((status & 1) != 1) | |
1593 | LIB$SIGNAL (status); | |
1594 | ||
f15731c4 | 1595 | /* Initialize the FIB and fill in the directory id field. */ |
1596 | memset (&fib, 0, sizeof (fib)); | |
1597 | fib.fib$w_did[0] = nam.nam$w_did[0]; | |
1598 | fib.fib$w_did[1] = nam.nam$w_did[1]; | |
1599 | fib.fib$w_did[2] = nam.nam$w_did[2]; | |
d8dd2062 | 1600 | fib.fib$l_acctl = 0; |
1601 | fib.fib$l_wcc = 0; | |
1602 | strcpy (file.string, (strrchr (result.string, ']') + 1)); | |
1603 | filedsc.dsc$w_length = strlen (file.string); | |
f15731c4 | 1604 | result.string[result.length = 0] = 0; |
d8dd2062 | 1605 | |
1606 | /* Open and close the file to fill in the attributes. */ | |
1607 | status | |
1608 | = SYS$QIOW (0, chan, IO$_ACCESS|IO$M_ACCESS, &iosb, 0, 0, | |
1609 | &fibdsc, &filedsc, &result.length, &resultdsc, &atrlst, 0); | |
1610 | if ((status & 1) != 1) | |
1611 | LIB$SIGNAL (status); | |
1612 | if ((iosb.status & 1) != 1) | |
1613 | LIB$SIGNAL (iosb.status); | |
1614 | ||
f15731c4 | 1615 | result.string[result.length] = 0; |
1616 | status = SYS$QIOW (0, chan, IO$_DEACCESS, &iosb, 0, 0, &fibdsc, 0, 0, 0, | |
1617 | &atrlst, 0); | |
d8dd2062 | 1618 | if ((status & 1) != 1) |
1619 | LIB$SIGNAL (status); | |
1620 | if ((iosb.status & 1) != 1) | |
1621 | LIB$SIGNAL (iosb.status); | |
1622 | ||
d8dd2062 | 1623 | { |
1624 | time_t t; | |
f15731c4 | 1625 | |
1626 | /* Set creation time to requested time. */ | |
9dfe12ae | 1627 | unix_time_to_vms (time_stamp, newtime); |
f15731c4 | 1628 | |
d8dd2062 | 1629 | t = time ((time_t) 0); |
d8dd2062 | 1630 | |
f15731c4 | 1631 | /* Set revision time to now in local time. */ |
9dfe12ae | 1632 | unix_time_to_vms (t, revtime); |
d8dd2062 | 1633 | } |
1634 | ||
f15731c4 | 1635 | /* Reopen the file, modify the times and then close. */ |
d8dd2062 | 1636 | fib.fib$l_acctl = FIB$M_WRITE; |
1637 | status | |
1638 | = SYS$QIOW (0, chan, IO$_ACCESS|IO$M_ACCESS, &iosb, 0, 0, | |
1639 | &fibdsc, &filedsc, &result.length, &resultdsc, &atrlst, 0); | |
1640 | if ((status & 1) != 1) | |
1641 | LIB$SIGNAL (status); | |
1642 | if ((iosb.status & 1) != 1) | |
1643 | LIB$SIGNAL (iosb.status); | |
1644 | ||
1645 | Fat.create = newtime; | |
1646 | Fat.revise = revtime; | |
1647 | ||
1648 | status = SYS$QIOW (0, chan, IO$_DEACCESS, &iosb, 0, 0, | |
1649 | &fibdsc, 0, 0, 0, &atrlst, 0); | |
1650 | if ((status & 1) != 1) | |
1651 | LIB$SIGNAL (status); | |
1652 | if ((iosb.status & 1) != 1) | |
1653 | LIB$SIGNAL (iosb.status); | |
1654 | ||
f15731c4 | 1655 | /* Deassign the channel and exit. */ |
d8dd2062 | 1656 | status = SYS$DASSGN (chan); |
1657 | if ((status & 1) != 1) | |
1658 | LIB$SIGNAL (status); | |
1659 | #else | |
1660 | struct utimbuf utimbuf; | |
1661 | time_t t; | |
1662 | ||
f15731c4 | 1663 | /* Set modification time to requested time. */ |
d8dd2062 | 1664 | utimbuf.modtime = time_stamp; |
1665 | ||
f15731c4 | 1666 | /* Set access time to now in local time. */ |
d8dd2062 | 1667 | t = time ((time_t) 0); |
1668 | utimbuf.actime = mktime (localtime (&t)); | |
1669 | ||
1670 | utime (name, &utimbuf); | |
1671 | #endif | |
1672 | } | |
1673 | ||
1fac938e | 1674 | /* Get the list of installed standard libraries from the |
1675 | HKEY_LOCAL_MACHINE\SOFTWARE\Ada Core Technologies\GNAT\Standard Libraries | |
1676 | key. */ | |
1677 | ||
1678 | char * | |
6f2c2693 | 1679 | __gnat_get_libraries_from_registry (void) |
1fac938e | 1680 | { |
69d33a1d | 1681 | char *result = (char *) xmalloc (1); |
1682 | ||
1683 | result[0] = '\0'; | |
1fac938e | 1684 | |
8c7d3bad | 1685 | #if defined (_WIN32) && ! defined (__vxworks) && ! defined (IS_CROSS) \ |
1686 | && ! defined (RTX) | |
1fac938e | 1687 | |
1688 | HKEY reg_key; | |
1689 | DWORD name_size, value_size; | |
1690 | char name[256]; | |
1691 | char value[256]; | |
1692 | DWORD type; | |
1693 | DWORD index; | |
1694 | LONG res; | |
1695 | ||
1696 | /* First open the key. */ | |
1697 | res = RegOpenKeyExA (HKEY_LOCAL_MACHINE, "SOFTWARE", 0, KEY_READ, ®_key); | |
1698 | ||
1699 | if (res == ERROR_SUCCESS) | |
1700 | res = RegOpenKeyExA (reg_key, "Ada Core Technologies", 0, | |
1701 | KEY_READ, ®_key); | |
1702 | ||
1703 | if (res == ERROR_SUCCESS) | |
1704 | res = RegOpenKeyExA (reg_key, "GNAT", 0, KEY_READ, ®_key); | |
1705 | ||
1706 | if (res == ERROR_SUCCESS) | |
1707 | res = RegOpenKeyExA (reg_key, "Standard Libraries", 0, KEY_READ, ®_key); | |
1708 | ||
1709 | /* If the key exists, read out all the values in it and concatenate them | |
1710 | into a path. */ | |
1711 | for (index = 0; res == ERROR_SUCCESS; index++) | |
1712 | { | |
1713 | value_size = name_size = 256; | |
2726b813 | 1714 | res = RegEnumValueA (reg_key, index, name, &name_size, 0, |
e2c62f37 | 1715 | &type, (LPBYTE)value, &value_size); |
1fac938e | 1716 | |
1717 | if (res == ERROR_SUCCESS && type == REG_SZ) | |
1718 | { | |
1719 | char *old_result = result; | |
1720 | ||
1721 | result = (char *) xmalloc (strlen (old_result) + value_size + 2); | |
1722 | strcpy (result, old_result); | |
1723 | strcat (result, value); | |
1724 | strcat (result, ";"); | |
69d33a1d | 1725 | free (old_result); |
1fac938e | 1726 | } |
1727 | } | |
1728 | ||
1729 | /* Remove the trailing ";". */ | |
1730 | if (result[0] != 0) | |
1731 | result[strlen (result) - 1] = 0; | |
2b4d7555 | 1732 | |
69d33a1d | 1733 | #endif |
1fac938e | 1734 | return result; |
1735 | } | |
1736 | ||
1737 | int | |
8cb516d7 | 1738 | __gnat_stat (char *name, GNAT_STRUCT_STAT *statbuf) |
1fac938e | 1739 | { |
3b18b370 | 1740 | #ifdef __MINGW32__ |
d7c2851f | 1741 | WIN32_FILE_ATTRIBUTE_DATA fad; |
3b18b370 | 1742 | TCHAR wname [GNAT_MAX_PATH_LEN + 2]; |
d7c2851f | 1743 | int name_len; |
1744 | BOOL res; | |
7d20685d | 1745 | DWORD error; |
3b18b370 | 1746 | |
f60cc57d | 1747 | S2WSC (wname, name, GNAT_MAX_PATH_LEN + 2); |
3b18b370 | 1748 | name_len = _tcslen (wname); |
e7b2d6bc | 1749 | |
1750 | if (name_len > GNAT_MAX_PATH_LEN) | |
1751 | return -1; | |
1fac938e | 1752 | |
d7c2851f | 1753 | ZeroMemory (statbuf, sizeof(GNAT_STRUCT_STAT)); |
1754 | ||
1755 | res = GetFileAttributesEx (wname, GetFileExInfoStandard, &fad); | |
1756 | ||
7d20685d | 1757 | if (res == FALSE) { |
1758 | error = GetLastError(); | |
1759 | ||
1760 | /* Check file existence using GetFileAttributes() which does not fail on | |
1761 | special Windows files like con:, aux:, nul: etc... */ | |
1762 | ||
1763 | if (GetFileAttributes(wname) != INVALID_FILE_ATTRIBUTES) { | |
1764 | /* Just pretend that it is a regular and readable file */ | |
1765 | statbuf->st_mode = S_IFREG | S_IREAD | S_IWRITE; | |
1766 | return 0; | |
1767 | } | |
1768 | ||
1769 | switch (error) { | |
7edd5071 | 1770 | case ERROR_ACCESS_DENIED: |
1771 | case ERROR_SHARING_VIOLATION: | |
1772 | case ERROR_LOCK_VIOLATION: | |
1773 | case ERROR_SHARING_BUFFER_EXCEEDED: | |
1774 | return EACCES; | |
1775 | case ERROR_BUFFER_OVERFLOW: | |
1776 | return ENAMETOOLONG; | |
1777 | case ERROR_NOT_ENOUGH_MEMORY: | |
1778 | return ENOMEM; | |
1779 | default: | |
1780 | return ENOENT; | |
1fac938e | 1781 | } |
7d20685d | 1782 | } |
1fac938e | 1783 | |
d7c2851f | 1784 | f2t (&fad.ftCreationTime, &statbuf->st_ctime); |
1785 | f2t (&fad.ftLastWriteTime, &statbuf->st_mtime); | |
1786 | f2t (&fad.ftLastAccessTime, &statbuf->st_atime); | |
8234fccd | 1787 | |
d7c2851f | 1788 | statbuf->st_size = (off_t)fad.nFileSizeLow; |
8234fccd | 1789 | |
d7c2851f | 1790 | /* We do not have the S_IEXEC attribute, but this is not used on GNAT. */ |
1791 | statbuf->st_mode = S_IREAD; | |
1fac938e | 1792 | |
d7c2851f | 1793 | if (fad.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) |
1794 | statbuf->st_mode |= S_IFDIR; | |
1795 | else | |
1796 | statbuf->st_mode |= S_IFREG; | |
1797 | ||
1798 | if (!(fad.dwFileAttributes & FILE_ATTRIBUTE_READONLY)) | |
1799 | statbuf->st_mode |= S_IWRITE; | |
1800 | ||
1801 | return 0; | |
1fac938e | 1802 | |
1803 | #else | |
8cb516d7 | 1804 | return GNAT_STAT (name, statbuf); |
1fac938e | 1805 | #endif |
1806 | } | |
1807 | ||
5f93bcbf | 1808 | /************************************************************************* |
1809 | ** Check whether a file exists | |
1810 | *************************************************************************/ | |
1811 | ||
1fac938e | 1812 | int |
5f93bcbf | 1813 | __gnat_file_exists_attr (char* name, struct file_attributes* attr) |
1fac938e | 1814 | { |
bce992c9 | 1815 | if (attr->exists == ATTR_UNSET) { |
5f93bcbf | 1816 | __gnat_stat_to_attr (-1, name, attr); |
5f93bcbf | 1817 | } |
1818 | ||
1819 | return attr->exists; | |
1fac938e | 1820 | } |
1821 | ||
5f93bcbf | 1822 | int |
1823 | __gnat_file_exists (char *name) | |
1824 | { | |
1825 | struct file_attributes attr; | |
d2697a05 | 1826 | __gnat_reset_attributes (&attr); |
5f93bcbf | 1827 | return __gnat_file_exists_attr (name, &attr); |
1828 | } | |
1829 | ||
1830 | /********************************************************************** | |
1831 | ** Whether name is an absolute path | |
1832 | **********************************************************************/ | |
1833 | ||
9dfe12ae | 1834 | int |
4a3f445c | 1835 | __gnat_is_absolute_path (char *name, int length) |
1fac938e | 1836 | { |
8620a406 | 1837 | #ifdef __vxworks |
1838 | /* On VxWorks systems, an absolute path can be represented (depending on | |
1839 | the host platform) as either /dir/file, or device:/dir/file, or | |
1840 | device:drive_letter:/dir/file. */ | |
1841 | ||
1842 | int index; | |
1843 | ||
1844 | if (name[0] == '/') | |
1845 | return 1; | |
1846 | ||
1847 | for (index = 0; index < length; index++) | |
1848 | { | |
1849 | if (name[index] == ':' && | |
1850 | ((name[index + 1] == '/') || | |
1851 | (isalpha (name[index + 1]) && index + 2 <= length && | |
1852 | name[index + 2] == '/'))) | |
1853 | return 1; | |
1854 | ||
1855 | else if (name[index] == '/') | |
1856 | return 0; | |
1857 | } | |
1858 | return 0; | |
1859 | #else | |
4a3f445c | 1860 | return (length != 0) && |
1861 | (*name == '/' || *name == DIR_SEPARATOR | |
30592778 | 1862 | #if defined (WINNT) |
a4f295eb | 1863 | || (length > 1 && ISALPHA (name[0]) && name[1] == ':') |
1fac938e | 1864 | #endif |
69d33a1d | 1865 | ); |
8620a406 | 1866 | #endif |
1fac938e | 1867 | } |
1868 | ||
5f93bcbf | 1869 | int |
1870 | __gnat_is_regular_file_attr (char* name, struct file_attributes* attr) | |
1871 | { | |
bce992c9 | 1872 | if (attr->regular == ATTR_UNSET) { |
5f93bcbf | 1873 | __gnat_stat_to_attr (-1, name, attr); |
1874 | } | |
1875 | ||
1876 | return attr->regular; | |
1877 | } | |
1878 | ||
1fac938e | 1879 | int |
9dfe12ae | 1880 | __gnat_is_regular_file (char *name) |
1fac938e | 1881 | { |
5f93bcbf | 1882 | struct file_attributes attr; |
d2697a05 | 1883 | __gnat_reset_attributes (&attr); |
5f93bcbf | 1884 | return __gnat_is_regular_file_attr (name, &attr); |
1885 | } | |
1886 | ||
1887 | int | |
1888 | __gnat_is_directory_attr (char* name, struct file_attributes* attr) | |
1889 | { | |
bce992c9 | 1890 | if (attr->directory == ATTR_UNSET) { |
5f93bcbf | 1891 | __gnat_stat_to_attr (-1, name, attr); |
1892 | } | |
1fac938e | 1893 | |
5f93bcbf | 1894 | return attr->directory; |
1fac938e | 1895 | } |
1896 | ||
1897 | int | |
9dfe12ae | 1898 | __gnat_is_directory (char *name) |
1fac938e | 1899 | { |
5f93bcbf | 1900 | struct file_attributes attr; |
d2697a05 | 1901 | __gnat_reset_attributes (&attr); |
5f93bcbf | 1902 | return __gnat_is_directory_attr (name, &attr); |
1fac938e | 1903 | } |
1904 | ||
7db1ef17 | 1905 | #if defined (_WIN32) && !defined (RTX) |
57ecb969 | 1906 | |
1907 | /* Returns the same constant as GetDriveType but takes a pathname as | |
1908 | argument. */ | |
1909 | ||
1910 | static UINT | |
1911 | GetDriveTypeFromPath (TCHAR *wfullpath) | |
1912 | { | |
1913 | TCHAR wdrv[MAX_PATH]; | |
1914 | TCHAR wpath[MAX_PATH]; | |
1915 | TCHAR wfilename[MAX_PATH]; | |
1916 | TCHAR wext[MAX_PATH]; | |
1917 | ||
1918 | _tsplitpath (wfullpath, wdrv, wpath, wfilename, wext); | |
1919 | ||
1920 | if (_tcslen (wdrv) != 0) | |
1921 | { | |
1922 | /* we have a drive specified. */ | |
1923 | _tcscat (wdrv, _T("\\")); | |
1924 | return GetDriveType (wdrv); | |
1925 | } | |
1926 | else | |
1927 | { | |
1928 | /* No drive specified. */ | |
1929 | ||
1930 | /* Is this a relative path, if so get current drive type. */ | |
1931 | if (wpath[0] != _T('\\') || | |
69d33a1d | 1932 | (_tcslen (wpath) > 2 && wpath[0] == _T('\\') && wpath[1] != _T('\\'))) |
1933 | return GetDriveType (NULL); | |
57ecb969 | 1934 | |
1935 | UINT result = GetDriveType (wpath); | |
1936 | ||
1937 | /* Cannot guess the drive type, is this \\.\ ? */ | |
1938 | ||
1939 | if (result == DRIVE_NO_ROOT_DIR && | |
69d33a1d | 1940 | _tcslen (wpath) >= 4 && wpath[0] == _T('\\') && wpath[1] == _T('\\') |
1941 | && wpath[2] == _T('.') && wpath[3] == _T('\\')) | |
1942 | { | |
1943 | if (_tcslen (wpath) == 4) | |
1944 | _tcscat (wpath, wfilename); | |
57ecb969 | 1945 | |
69d33a1d | 1946 | LPTSTR p = &wpath[4]; |
1947 | LPTSTR b = _tcschr (p, _T('\\')); | |
57ecb969 | 1948 | |
69d33a1d | 1949 | if (b != NULL) |
1950 | { /* logical drive \\.\c\dir\file */ | |
1951 | *b++ = _T(':'); | |
1952 | *b++ = _T('\\'); | |
1953 | *b = _T('\0'); | |
1954 | } | |
1955 | else | |
1956 | _tcscat (p, _T(":\\")); | |
57ecb969 | 1957 | |
69d33a1d | 1958 | return GetDriveType (p); |
1959 | } | |
57ecb969 | 1960 | |
1961 | return result; | |
1962 | } | |
1963 | } | |
1964 | ||
7db1ef17 | 1965 | /* This MingW section contains code to work with ACL. */ |
1966 | static int | |
1967 | __gnat_check_OWNER_ACL | |
3855c659 | 1968 | (TCHAR *wname, |
7db1ef17 | 1969 | DWORD CheckAccessDesired, |
1970 | GENERIC_MAPPING CheckGenericMapping) | |
1971 | { | |
7db1ef17 | 1972 | DWORD dwAccessDesired, dwAccessAllowed; |
1973 | PRIVILEGE_SET PrivilegeSet; | |
1974 | DWORD dwPrivSetSize = sizeof (PRIVILEGE_SET); | |
1975 | BOOL fAccessGranted = FALSE; | |
f060ec3a | 1976 | HANDLE hToken = NULL; |
1977 | DWORD nLength = 0; | |
7db1ef17 | 1978 | SECURITY_DESCRIPTOR* pSD = NULL; |
1979 | ||
7db1ef17 | 1980 | GetFileSecurity |
1981 | (wname, OWNER_SECURITY_INFORMATION | | |
1982 | GROUP_SECURITY_INFORMATION | DACL_SECURITY_INFORMATION, | |
1983 | NULL, 0, &nLength); | |
1984 | ||
1985 | if ((pSD = (PSECURITY_DESCRIPTOR) HeapAlloc | |
1986 | (GetProcessHeap (), HEAP_ZERO_MEMORY, nLength)) == NULL) | |
1987 | return 0; | |
1988 | ||
1989 | /* Obtain the security descriptor. */ | |
1990 | ||
1991 | if (!GetFileSecurity | |
1992 | (wname, OWNER_SECURITY_INFORMATION | | |
1993 | GROUP_SECURITY_INFORMATION | DACL_SECURITY_INFORMATION, | |
1994 | pSD, nLength, &nLength)) | |
f060ec3a | 1995 | goto error; |
7db1ef17 | 1996 | |
1997 | if (!ImpersonateSelf (SecurityImpersonation)) | |
f060ec3a | 1998 | goto error; |
7db1ef17 | 1999 | |
2000 | if (!OpenThreadToken | |
2001 | (GetCurrentThread(), TOKEN_DUPLICATE | TOKEN_QUERY, FALSE, &hToken)) | |
f060ec3a | 2002 | goto error; |
7db1ef17 | 2003 | |
2004 | /* Undoes the effect of ImpersonateSelf. */ | |
2005 | ||
2006 | RevertToSelf (); | |
2007 | ||
2008 | /* We want to test for write permissions. */ | |
2009 | ||
2010 | dwAccessDesired = CheckAccessDesired; | |
2011 | ||
2012 | MapGenericMask (&dwAccessDesired, &CheckGenericMapping); | |
2013 | ||
2014 | if (!AccessCheck | |
2015 | (pSD , /* security descriptor to check */ | |
2016 | hToken, /* impersonation token */ | |
2017 | dwAccessDesired, /* requested access rights */ | |
2018 | &CheckGenericMapping, /* pointer to GENERIC_MAPPING */ | |
2019 | &PrivilegeSet, /* receives privileges used in check */ | |
2020 | &dwPrivSetSize, /* size of PrivilegeSet buffer */ | |
2021 | &dwAccessAllowed, /* receives mask of allowed access rights */ | |
2022 | &fAccessGranted)) | |
f060ec3a | 2023 | goto error; |
7db1ef17 | 2024 | |
f060ec3a | 2025 | CloseHandle (hToken); |
2026 | HeapFree (GetProcessHeap (), 0, pSD); | |
7db1ef17 | 2027 | return fAccessGranted; |
f060ec3a | 2028 | |
2029 | error: | |
2030 | if (hToken) | |
2031 | CloseHandle (hToken); | |
2032 | HeapFree (GetProcessHeap (), 0, pSD); | |
2033 | return 0; | |
7db1ef17 | 2034 | } |
2035 | ||
2036 | static void | |
2037 | __gnat_set_OWNER_ACL | |
3855c659 | 2038 | (TCHAR *wname, |
7db1ef17 | 2039 | DWORD AccessMode, |
2040 | DWORD AccessPermissions) | |
2041 | { | |
4c4697b8 | 2042 | PACL pOldDACL = NULL; |
2043 | PACL pNewDACL = NULL; | |
2044 | PSECURITY_DESCRIPTOR pSD = NULL; | |
7db1ef17 | 2045 | EXPLICIT_ACCESS ea; |
2046 | TCHAR username [100]; | |
2047 | DWORD unsize = 100; | |
2048 | ||
7db1ef17 | 2049 | /* Get current user, he will act as the owner */ |
2050 | ||
2051 | if (!GetUserName (username, &unsize)) | |
2052 | return; | |
2053 | ||
0b3929a6 | 2054 | if (GetNamedSecurityInfo |
2055 | (wname, | |
7db1ef17 | 2056 | SE_FILE_OBJECT, |
2057 | DACL_SECURITY_INFORMATION, | |
2058 | NULL, NULL, &pOldDACL, NULL, &pSD) != ERROR_SUCCESS) | |
2059 | return; | |
2060 | ||
0b3929a6 | 2061 | BuildExplicitAccessWithName |
2062 | (&ea, username, AccessPermissions, AccessMode, NO_INHERITANCE); | |
7db1ef17 | 2063 | |
2064 | if (AccessMode == SET_ACCESS) | |
2065 | { | |
2066 | /* SET_ACCESS, we want to set an explicte set of permissions, do not | |
69d33a1d | 2067 | merge with current DACL. */ |
7db1ef17 | 2068 | if (SetEntriesInAcl (1, &ea, NULL, &pNewDACL) != ERROR_SUCCESS) |
69d33a1d | 2069 | return; |
7db1ef17 | 2070 | } |
2071 | else | |
2072 | if (SetEntriesInAcl (1, &ea, pOldDACL, &pNewDACL) != ERROR_SUCCESS) | |
2073 | return; | |
2074 | ||
0b3929a6 | 2075 | if (SetNamedSecurityInfo |
2076 | (wname, SE_FILE_OBJECT, | |
7db1ef17 | 2077 | DACL_SECURITY_INFORMATION, NULL, NULL, pNewDACL, NULL) != ERROR_SUCCESS) |
2078 | return; | |
2079 | ||
2080 | LocalFree (pSD); | |
2081 | LocalFree (pNewDACL); | |
7db1ef17 | 2082 | } |
57ecb969 | 2083 | |
2084 | /* Check if it is possible to use ACL for wname, the file must not be on a | |
2085 | network drive. */ | |
2086 | ||
2087 | static int | |
2088 | __gnat_can_use_acl (TCHAR *wname) | |
2089 | { | |
2090 | return __gnat_use_acl && GetDriveTypeFromPath (wname) != DRIVE_REMOTE; | |
2091 | } | |
2092 | ||
7db1ef17 | 2093 | #endif /* defined (_WIN32) && !defined (RTX) */ |
2094 | ||
1fac938e | 2095 | int |
5f93bcbf | 2096 | __gnat_is_readable_file_attr (char* name, struct file_attributes* attr) |
9dfe12ae | 2097 | { |
bce992c9 | 2098 | if (attr->readable == ATTR_UNSET) { |
7db1ef17 | 2099 | #if defined (_WIN32) && !defined (RTX) |
5f93bcbf | 2100 | TCHAR wname [GNAT_MAX_PATH_LEN + 2]; |
2101 | GENERIC_MAPPING GenericMapping; | |
3855c659 | 2102 | |
5f93bcbf | 2103 | S2WSC (wname, name, GNAT_MAX_PATH_LEN + 2); |
7db1ef17 | 2104 | |
5f93bcbf | 2105 | if (__gnat_can_use_acl (wname)) |
2106 | { | |
2107 | ZeroMemory (&GenericMapping, sizeof (GENERIC_MAPPING)); | |
2108 | GenericMapping.GenericRead = GENERIC_READ; | |
d9c927cc | 2109 | attr->readable = |
2110 | __gnat_check_OWNER_ACL (wname, FILE_READ_DATA, GenericMapping); | |
5f93bcbf | 2111 | } |
2112 | else | |
2113 | attr->readable = GetFileAttributes (wname) != INVALID_FILE_ATTRIBUTES; | |
7db1ef17 | 2114 | #else |
5f93bcbf | 2115 | __gnat_stat_to_attr (-1, name, attr); |
7db1ef17 | 2116 | #endif |
5f93bcbf | 2117 | } |
2118 | ||
2119 | return attr->readable; | |
9dfe12ae | 2120 | } |
2121 | ||
2122 | int | |
5f93bcbf | 2123 | __gnat_is_readable_file (char *name) |
2124 | { | |
2125 | struct file_attributes attr; | |
d2697a05 | 2126 | __gnat_reset_attributes (&attr); |
5f93bcbf | 2127 | return __gnat_is_readable_file_attr (name, &attr); |
2128 | } | |
2129 | ||
2130 | int | |
2131 | __gnat_is_writable_file_attr (char* name, struct file_attributes* attr) | |
1fac938e | 2132 | { |
bce992c9 | 2133 | if (attr->writable == ATTR_UNSET) { |
7db1ef17 | 2134 | #if defined (_WIN32) && !defined (RTX) |
5f93bcbf | 2135 | TCHAR wname [GNAT_MAX_PATH_LEN + 2]; |
2136 | GENERIC_MAPPING GenericMapping; | |
3855c659 | 2137 | |
5f93bcbf | 2138 | S2WSC (wname, name, GNAT_MAX_PATH_LEN + 2); |
3855c659 | 2139 | |
5f93bcbf | 2140 | if (__gnat_can_use_acl (wname)) |
2141 | { | |
2142 | ZeroMemory (&GenericMapping, sizeof (GENERIC_MAPPING)); | |
2143 | GenericMapping.GenericWrite = GENERIC_WRITE; | |
2726b813 | 2144 | |
5f93bcbf | 2145 | attr->writable = __gnat_check_OWNER_ACL |
2146 | (wname, FILE_WRITE_DATA | FILE_APPEND_DATA, GenericMapping) | |
2147 | && !(GetFileAttributes (wname) & FILE_ATTRIBUTE_READONLY); | |
2148 | } | |
2149 | else | |
2150 | attr->writable = !(GetFileAttributes (wname) & FILE_ATTRIBUTE_READONLY); | |
7db1ef17 | 2151 | |
7db1ef17 | 2152 | #else |
5f93bcbf | 2153 | __gnat_stat_to_attr (-1, name, attr); |
7db1ef17 | 2154 | #endif |
5f93bcbf | 2155 | } |
2156 | ||
2157 | return attr->writable; | |
7db1ef17 | 2158 | } |
2159 | ||
2160 | int | |
5f93bcbf | 2161 | __gnat_is_writable_file (char *name) |
7db1ef17 | 2162 | { |
5f93bcbf | 2163 | struct file_attributes attr; |
d2697a05 | 2164 | __gnat_reset_attributes (&attr); |
5f93bcbf | 2165 | return __gnat_is_writable_file_attr (name, &attr); |
2166 | } | |
2167 | ||
2168 | int | |
2169 | __gnat_is_executable_file_attr (char* name, struct file_attributes* attr) | |
2170 | { | |
bce992c9 | 2171 | if (attr->executable == ATTR_UNSET) { |
7db1ef17 | 2172 | #if defined (_WIN32) && !defined (RTX) |
5f93bcbf | 2173 | TCHAR wname [GNAT_MAX_PATH_LEN + 2]; |
2174 | GENERIC_MAPPING GenericMapping; | |
3855c659 | 2175 | |
5f93bcbf | 2176 | S2WSC (wname, name, GNAT_MAX_PATH_LEN + 2); |
3855c659 | 2177 | |
5f93bcbf | 2178 | if (__gnat_can_use_acl (wname)) |
2179 | { | |
2180 | ZeroMemory (&GenericMapping, sizeof (GENERIC_MAPPING)); | |
2181 | GenericMapping.GenericExecute = GENERIC_EXECUTE; | |
2726b813 | 2182 | |
d9c927cc | 2183 | attr->executable = |
2184 | __gnat_check_OWNER_ACL (wname, FILE_EXECUTE, GenericMapping); | |
5f93bcbf | 2185 | } |
2186 | else | |
278c67dc | 2187 | { |
2188 | TCHAR *l, *last = _tcsstr(wname, _T(".exe")); | |
2189 | ||
2190 | /* look for last .exe */ | |
9f1130cc | 2191 | if (last) |
43d776b7 | 2192 | while ((l = _tcsstr(last+1, _T(".exe")))) last = l; |
278c67dc | 2193 | |
2194 | attr->executable = GetFileAttributes (wname) != INVALID_FILE_ATTRIBUTES | |
43d776b7 | 2195 | && (last - wname) == (int) (_tcslen (wname) - 4); |
278c67dc | 2196 | } |
7db1ef17 | 2197 | #else |
5f93bcbf | 2198 | __gnat_stat_to_attr (-1, name, attr); |
7db1ef17 | 2199 | #endif |
5f93bcbf | 2200 | } |
2201 | ||
2202 | return attr->executable; | |
2203 | } | |
2204 | ||
2205 | int | |
2206 | __gnat_is_executable_file (char *name) | |
2207 | { | |
2208 | struct file_attributes attr; | |
d2697a05 | 2209 | __gnat_reset_attributes (&attr); |
5f93bcbf | 2210 | return __gnat_is_executable_file_attr (name, &attr); |
1fac938e | 2211 | } |
2212 | ||
9dfe12ae | 2213 | void |
2214 | __gnat_set_writable (char *name) | |
2215 | { | |
7db1ef17 | 2216 | #if defined (_WIN32) && !defined (RTX) |
3855c659 | 2217 | TCHAR wname [GNAT_MAX_PATH_LEN + 2]; |
2218 | ||
f60cc57d | 2219 | S2WSC (wname, name, GNAT_MAX_PATH_LEN + 2); |
3855c659 | 2220 | |
57ecb969 | 2221 | if (__gnat_can_use_acl (wname)) |
2726b813 | 2222 | __gnat_set_OWNER_ACL (wname, GRANT_ACCESS, FILE_GENERIC_WRITE); |
2223 | ||
3855c659 | 2224 | SetFileAttributes |
2225 | (wname, GetFileAttributes (wname) & ~FILE_ATTRIBUTE_READONLY); | |
b07bcda8 | 2226 | #elif ! (defined (__vxworks) && _WRS_VXWORKS_MAJOR < 6) && \ |
2227 | ! defined(__nucleus__) | |
8cb516d7 | 2228 | GNAT_STRUCT_STAT statbuf; |
9dfe12ae | 2229 | |
8cb516d7 | 2230 | if (GNAT_STAT (name, &statbuf) == 0) |
0e9e8338 | 2231 | { |
2232 | statbuf.st_mode = statbuf.st_mode | S_IWUSR; | |
2233 | chmod (name, statbuf.st_mode); | |
2234 | } | |
9dfe12ae | 2235 | #endif |
2236 | } | |
2237 | ||
5329ca64 | 2238 | void |
2239 | __gnat_set_executable (char *name) | |
2240 | { | |
7db1ef17 | 2241 | #if defined (_WIN32) && !defined (RTX) |
3855c659 | 2242 | TCHAR wname [GNAT_MAX_PATH_LEN + 2]; |
2243 | ||
57ecb969 | 2244 | S2WSC (wname, name, GNAT_MAX_PATH_LEN + 2); |
2245 | ||
2246 | if (__gnat_can_use_acl (wname)) | |
2247 | __gnat_set_OWNER_ACL (wname, GRANT_ACCESS, FILE_GENERIC_EXECUTE); | |
3855c659 | 2248 | |
b07bcda8 | 2249 | #elif ! (defined (__vxworks) && _WRS_VXWORKS_MAJOR < 6) && \ |
2250 | ! defined(__nucleus__) | |
8cb516d7 | 2251 | GNAT_STRUCT_STAT statbuf; |
5329ca64 | 2252 | |
8cb516d7 | 2253 | if (GNAT_STAT (name, &statbuf) == 0) |
0e9e8338 | 2254 | { |
2255 | statbuf.st_mode = statbuf.st_mode | S_IXUSR; | |
2256 | chmod (name, statbuf.st_mode); | |
2257 | } | |
5329ca64 | 2258 | #endif |
2259 | } | |
2260 | ||
9dfe12ae | 2261 | void |
2ab009c7 | 2262 | __gnat_set_non_writable (char *name) |
9dfe12ae | 2263 | { |
7db1ef17 | 2264 | #if defined (_WIN32) && !defined (RTX) |
3855c659 | 2265 | TCHAR wname [GNAT_MAX_PATH_LEN + 2]; |
2266 | ||
f60cc57d | 2267 | S2WSC (wname, name, GNAT_MAX_PATH_LEN + 2); |
3855c659 | 2268 | |
57ecb969 | 2269 | if (__gnat_can_use_acl (wname)) |
2726b813 | 2270 | __gnat_set_OWNER_ACL |
2271 | (wname, DENY_ACCESS, | |
2272 | FILE_WRITE_DATA | FILE_APPEND_DATA | | |
2273 | FILE_WRITE_EA | FILE_WRITE_ATTRIBUTES); | |
2274 | ||
3855c659 | 2275 | SetFileAttributes |
2276 | (wname, GetFileAttributes (wname) | FILE_ATTRIBUTE_READONLY); | |
b07bcda8 | 2277 | #elif ! (defined (__vxworks) && _WRS_VXWORKS_MAJOR < 6) && \ |
2278 | ! defined(__nucleus__) | |
8cb516d7 | 2279 | GNAT_STRUCT_STAT statbuf; |
9dfe12ae | 2280 | |
8cb516d7 | 2281 | if (GNAT_STAT (name, &statbuf) == 0) |
0b3929a6 | 2282 | { |
2283 | statbuf.st_mode = statbuf.st_mode & 07577; | |
2284 | chmod (name, statbuf.st_mode); | |
2285 | } | |
2286 | #endif | |
2287 | } | |
2288 | ||
2289 | void | |
2290 | __gnat_set_readable (char *name) | |
2291 | { | |
2292 | #if defined (_WIN32) && !defined (RTX) | |
2293 | TCHAR wname [GNAT_MAX_PATH_LEN + 2]; | |
2294 | ||
57ecb969 | 2295 | S2WSC (wname, name, GNAT_MAX_PATH_LEN + 2); |
2296 | ||
2297 | if (__gnat_can_use_acl (wname)) | |
2298 | __gnat_set_OWNER_ACL (wname, GRANT_ACCESS, FILE_GENERIC_READ); | |
0b3929a6 | 2299 | |
b07bcda8 | 2300 | #elif ! (defined (__vxworks) && _WRS_VXWORKS_MAJOR < 6) && \ |
2301 | ! defined(__nucleus__) | |
8cb516d7 | 2302 | GNAT_STRUCT_STAT statbuf; |
0b3929a6 | 2303 | |
8cb516d7 | 2304 | if (GNAT_STAT (name, &statbuf) == 0) |
0b3929a6 | 2305 | { |
2306 | chmod (name, statbuf.st_mode | S_IREAD); | |
2307 | } | |
2308 | #endif | |
2309 | } | |
2310 | ||
2311 | void | |
2312 | __gnat_set_non_readable (char *name) | |
2313 | { | |
2314 | #if defined (_WIN32) && !defined (RTX) | |
2315 | TCHAR wname [GNAT_MAX_PATH_LEN + 2]; | |
2316 | ||
57ecb969 | 2317 | S2WSC (wname, name, GNAT_MAX_PATH_LEN + 2); |
2318 | ||
2319 | if (__gnat_can_use_acl (wname)) | |
2320 | __gnat_set_OWNER_ACL (wname, DENY_ACCESS, FILE_GENERIC_READ); | |
0b3929a6 | 2321 | |
b07bcda8 | 2322 | #elif ! (defined (__vxworks) && _WRS_VXWORKS_MAJOR < 6) && \ |
2323 | ! defined(__nucleus__) | |
8cb516d7 | 2324 | GNAT_STRUCT_STAT statbuf; |
0b3929a6 | 2325 | |
8cb516d7 | 2326 | if (GNAT_STAT (name, &statbuf) == 0) |
0b3929a6 | 2327 | { |
2328 | chmod (name, statbuf.st_mode & (~S_IREAD)); | |
2329 | } | |
9dfe12ae | 2330 | #endif |
2331 | } | |
2332 | ||
2333 | int | |
9b52e7a7 | 2334 | __gnat_is_symbolic_link_attr (char* name ATTRIBUTE_UNUSED, |
2335 | struct file_attributes* attr) | |
9dfe12ae | 2336 | { |
bce992c9 | 2337 | if (attr->symbolic_link == ATTR_UNSET) { |
5091bc2f | 2338 | #if defined (__vxworks) || defined (__nucleus__) |
5f93bcbf | 2339 | attr->symbolic_link = 0; |
9dfe12ae | 2340 | |
8e761191 | 2341 | #elif defined (_AIX) || defined (__APPLE__) || defined (__unix__) |
5f93bcbf | 2342 | int ret; |
2343 | GNAT_STRUCT_STAT statbuf; | |
2344 | ret = GNAT_LSTAT (name, &statbuf); | |
2345 | attr->symbolic_link = (!ret && S_ISLNK (statbuf.st_mode)); | |
9dfe12ae | 2346 | #else |
5f93bcbf | 2347 | attr->symbolic_link = 0; |
9dfe12ae | 2348 | #endif |
5f93bcbf | 2349 | } |
2350 | return attr->symbolic_link; | |
2351 | } | |
2352 | ||
2353 | int | |
2354 | __gnat_is_symbolic_link (char *name ATTRIBUTE_UNUSED) | |
2355 | { | |
2356 | struct file_attributes attr; | |
d2697a05 | 2357 | __gnat_reset_attributes (&attr); |
5f93bcbf | 2358 | return __gnat_is_symbolic_link_attr (name, &attr); |
2359 | ||
9dfe12ae | 2360 | } |
2361 | ||
1fac938e | 2362 | #if defined (sun) && defined (__SVR4) |
2363 | /* Using fork on Solaris will duplicate all the threads. fork1, which | |
2364 | duplicates only the active thread, must be used instead, or spawning | |
2365 | subprocess from a program with tasking will lead into numerous problems. */ | |
2366 | #define fork fork1 | |
2367 | #endif | |
2368 | ||
2369 | int | |
9dfe12ae | 2370 | __gnat_portable_spawn (char *args[]) |
1fac938e | 2371 | { |
2372 | int status = 0; | |
f0a28ccb | 2373 | int finished ATTRIBUTE_UNUSED; |
2374 | int pid ATTRIBUTE_UNUSED; | |
1fac938e | 2375 | |
e2a33c18 | 2376 | #if defined (__vxworks) || defined(__nucleus__) || defined(RTX) |
2377 | return -1; | |
2378 | ||
30592778 | 2379 | #elif defined (_WIN32) |
f270dc82 | 2380 | /* args[0] must be quotes as it could contain a full pathname with spaces */ |
38750fcd | 2381 | char *args_0 = args[0]; |
f270dc82 | 2382 | args[0] = (char *)xmalloc (strlen (args_0) + 3); |
2383 | strcpy (args[0], "\""); | |
2384 | strcat (args[0], args_0); | |
2385 | strcat (args[0], "\""); | |
2386 | ||
0b9eca83 | 2387 | status = spawnvp (P_WAIT, args_0, (const char* const*)args); |
f270dc82 | 2388 | |
2389 | /* restore previous value */ | |
2390 | free (args[0]); | |
8e761191 | 2391 | args[0] = (char *)args_0; |
f270dc82 | 2392 | |
1fac938e | 2393 | if (status < 0) |
f15731c4 | 2394 | return -1; |
1fac938e | 2395 | else |
2396 | return status; | |
2397 | ||
1fac938e | 2398 | #else |
2399 | ||
1fac938e | 2400 | pid = fork (); |
f15731c4 | 2401 | if (pid < 0) |
2402 | return -1; | |
1fac938e | 2403 | |
f15731c4 | 2404 | if (pid == 0) |
2405 | { | |
2406 | /* The child. */ | |
6d9c3443 | 2407 | if (execv (args[0], MAYBE_TO_PTR32 (args)) != 0) |
f15731c4 | 2408 | #if defined (VMS) |
69d33a1d | 2409 | return -1; /* execv is in parent context on VMS. */ |
f15731c4 | 2410 | #else |
69d33a1d | 2411 | _exit (1); |
f15731c4 | 2412 | #endif |
2413 | } | |
1fac938e | 2414 | |
f15731c4 | 2415 | /* The parent. */ |
1fac938e | 2416 | finished = waitpid (pid, &status, 0); |
2417 | ||
2418 | if (finished != pid || WIFEXITED (status) == 0) | |
f15731c4 | 2419 | return -1; |
1fac938e | 2420 | |
2421 | return WEXITSTATUS (status); | |
2422 | #endif | |
f15731c4 | 2423 | |
1fac938e | 2424 | return 0; |
2425 | } | |
2426 | ||
8e761191 | 2427 | /* Create a copy of the given file descriptor. |
2428 | Return -1 if an error occurred. */ | |
2429 | ||
2430 | int | |
2431 | __gnat_dup (int oldfd) | |
2432 | { | |
8ffbc401 | 2433 | #if defined (__vxworks) && !defined (__RTP__) |
2434 | /* Not supported on VxWorks 5.x, but supported on VxWorks 6.0 when using | |
2435 | RTPs. */ | |
2436 | return -1; | |
8e761191 | 2437 | #else |
8ffbc401 | 2438 | return dup (oldfd); |
8e761191 | 2439 | #endif |
2440 | } | |
2441 | ||
2442 | /* Make newfd be the copy of oldfd, closing newfd first if necessary. | |
5e947a95 | 2443 | Return -1 if an error occurred. */ |
8e761191 | 2444 | |
2445 | int | |
2446 | __gnat_dup2 (int oldfd, int newfd) | |
2447 | { | |
8ffbc401 | 2448 | #if defined (__vxworks) && !defined (__RTP__) |
2449 | /* Not supported on VxWorks 5.x, but supported on VxWorks 6.0 when using | |
2450 | RTPs. */ | |
8e761191 | 2451 | return -1; |
00234530 | 2452 | #elif defined (_WIN32) |
2453 | /* Special case when oldfd and newfd are identical and are the standard | |
2454 | input, output or error as this makes Windows XP hangs. Note that we | |
2455 | do that only for standard file descriptors that are known to be valid. */ | |
2456 | if (oldfd == newfd && newfd >= 0 && newfd <= 2) | |
2457 | return newfd; | |
2458 | else | |
2459 | return dup2 (oldfd, newfd); | |
8e761191 | 2460 | #else |
2461 | return dup2 (oldfd, newfd); | |
2462 | #endif | |
2463 | } | |
2464 | ||
ed8e5b83 | 2465 | int |
2466 | __gnat_number_of_cpus (void) | |
2467 | { | |
2468 | int cores = 1; | |
2469 | ||
126b6848 | 2470 | #if defined (linux) || defined (sun) || defined (AIX) || defined (__APPLE__) |
f7479d84 | 2471 | cores = (int) sysconf (_SC_NPROCESSORS_ONLN); |
90bc406c | 2472 | |
2473 | #elif (defined (__mips) && defined (__sgi)) | |
f7479d84 | 2474 | cores = (int) sysconf (_SC_NPROC_ONLN); |
90bc406c | 2475 | |
2476 | #elif defined (__hpux__) | |
f7479d84 | 2477 | struct pst_dynamic psd; |
2478 | if (pstat_getdynamic (&psd, sizeof (psd), 1, 0) != -1) | |
2479 | cores = (int) psd.psd_proc_cnt; | |
90bc406c | 2480 | |
ee0d6223 | 2481 | #elif defined (_WIN32) |
2482 | SYSTEM_INFO sysinfo; | |
2483 | GetSystemInfo (&sysinfo); | |
2484 | cores = (int) sysinfo.dwNumberOfProcessors; | |
9b1d6aeb | 2485 | |
2486 | #elif defined (VMS) | |
2487 | int code = SYI$_ACTIVECPU_CNT; | |
2488 | unsigned int res; | |
2489 | int status; | |
2490 | ||
2491 | status = LIB$GETSYI (&code, &res); | |
2492 | if ((status & 1) != 0) | |
2493 | cores = res; | |
0f4d3df5 | 2494 | |
e423341f | 2495 | #elif defined (_WRS_CONFIG_SMP) |
0f4d3df5 | 2496 | unsigned int vxCpuConfiguredGet (void); |
2497 | ||
2498 | cores = vxCpuConfiguredGet (); | |
2499 | ||
ed8e5b83 | 2500 | #endif |
2501 | ||
2502 | return cores; | |
2503 | } | |
2504 | ||
f15731c4 | 2505 | /* WIN32 code to implement a wait call that wait for any child process. */ |
2506 | ||
e2a33c18 | 2507 | #if defined (_WIN32) && !defined (RTX) |
1fac938e | 2508 | |
2509 | /* Synchronization code, to be thread safe. */ | |
2510 | ||
51fa65dc | 2511 | #ifdef CERT |
1fac938e | 2512 | |
51fa65dc | 2513 | /* For the Cert run times on native Windows we use dummy functions |
2514 | for locking and unlocking tasks since we do not support multiple | |
2515 | threads on this configuration (Cert run time on native Windows). */ | |
1fac938e | 2516 | |
51fa65dc | 2517 | void dummy (void) {} |
1fac938e | 2518 | |
51fa65dc | 2519 | void (*Lock_Task) () = &dummy; |
2520 | void (*Unlock_Task) () = &dummy; | |
2521 | ||
2522 | #else | |
2523 | ||
2524 | #define Lock_Task system__soft_links__lock_task | |
2525 | extern void (*Lock_Task) (void); | |
2526 | ||
2527 | #define Unlock_Task system__soft_links__unlock_task | |
2528 | extern void (*Unlock_Task) (void); | |
2529 | ||
2530 | #endif | |
1fac938e | 2531 | |
4c4697b8 | 2532 | static HANDLE *HANDLES_LIST = NULL; |
2533 | static int *PID_LIST = NULL, plist_length = 0, plist_max_length = 0; | |
1fac938e | 2534 | |
2535 | static void | |
14d22a3f | 2536 | add_handle (HANDLE h, int pid) |
1fac938e | 2537 | { |
1fac938e | 2538 | |
1fac938e | 2539 | /* -------------------- critical section -------------------- */ |
51fa65dc | 2540 | (*Lock_Task) (); |
2541 | ||
4c4697b8 | 2542 | if (plist_length == plist_max_length) |
2543 | { | |
2544 | plist_max_length += 1000; | |
2545 | HANDLES_LIST = | |
2546 | xrealloc (HANDLES_LIST, sizeof (HANDLE) * plist_max_length); | |
2547 | PID_LIST = | |
2548 | xrealloc (PID_LIST, sizeof (int) * plist_max_length); | |
2549 | } | |
2550 | ||
2551 | HANDLES_LIST[plist_length] = h; | |
14d22a3f | 2552 | PID_LIST[plist_length] = pid; |
1fac938e | 2553 | ++plist_length; |
1fac938e | 2554 | |
51fa65dc | 2555 | (*Unlock_Task) (); |
2556 | /* -------------------- critical section -------------------- */ | |
1fac938e | 2557 | } |
2558 | ||
4c4697b8 | 2559 | void |
2560 | __gnat_win32_remove_handle (HANDLE h, int pid) | |
1fac938e | 2561 | { |
4c4697b8 | 2562 | int j; |
1fac938e | 2563 | |
1fac938e | 2564 | /* -------------------- critical section -------------------- */ |
51fa65dc | 2565 | (*Lock_Task) (); |
2566 | ||
4c4697b8 | 2567 | for (j = 0; j < plist_length; j++) |
1fac938e | 2568 | { |
4c4697b8 | 2569 | if ((HANDLES_LIST[j] == h) || (PID_LIST[j] == pid)) |
1fac938e | 2570 | { |
4c4697b8 | 2571 | CloseHandle (h); |
2572 | --plist_length; | |
2573 | HANDLES_LIST[j] = HANDLES_LIST[plist_length]; | |
2574 | PID_LIST[j] = PID_LIST[plist_length]; | |
1fac938e | 2575 | break; |
2576 | } | |
1fac938e | 2577 | } |
2578 | ||
51fa65dc | 2579 | (*Unlock_Task) (); |
2580 | /* -------------------- critical section -------------------- */ | |
1fac938e | 2581 | } |
2582 | ||
14d22a3f | 2583 | static void |
2584 | win32_no_block_spawn (char *command, char *args[], HANDLE *h, int *pid) | |
1fac938e | 2585 | { |
2586 | BOOL result; | |
2587 | STARTUPINFO SI; | |
2588 | PROCESS_INFORMATION PI; | |
2589 | SECURITY_ATTRIBUTES SA; | |
f15731c4 | 2590 | int csize = 1; |
2591 | char *full_command; | |
1fac938e | 2592 | int k; |
2593 | ||
f15731c4 | 2594 | /* compute the total command line length */ |
2595 | k = 0; | |
2596 | while (args[k]) | |
2597 | { | |
2598 | csize += strlen (args[k]) + 1; | |
2599 | k++; | |
2600 | } | |
2601 | ||
2602 | full_command = (char *) xmalloc (csize); | |
2603 | ||
1fac938e | 2604 | /* Startup info. */ |
2605 | SI.cb = sizeof (STARTUPINFO); | |
2606 | SI.lpReserved = NULL; | |
2607 | SI.lpReserved2 = NULL; | |
2608 | SI.lpDesktop = NULL; | |
2609 | SI.cbReserved2 = 0; | |
2610 | SI.lpTitle = NULL; | |
2611 | SI.dwFlags = 0; | |
2612 | SI.wShowWindow = SW_HIDE; | |
2613 | ||
2614 | /* Security attributes. */ | |
2615 | SA.nLength = sizeof (SECURITY_ATTRIBUTES); | |
2616 | SA.bInheritHandle = TRUE; | |
2617 | SA.lpSecurityDescriptor = NULL; | |
2618 | ||
2619 | /* Prepare the command string. */ | |
2620 | strcpy (full_command, command); | |
2621 | strcat (full_command, " "); | |
2622 | ||
2623 | k = 1; | |
2624 | while (args[k]) | |
2625 | { | |
2626 | strcat (full_command, args[k]); | |
2627 | strcat (full_command, " "); | |
2628 | k++; | |
2629 | } | |
2630 | ||
3b18b370 | 2631 | { |
2632 | int wsize = csize * 2; | |
2633 | TCHAR *wcommand = (TCHAR *) xmalloc (wsize); | |
2634 | ||
f60cc57d | 2635 | S2WSC (wcommand, full_command, wsize); |
3b18b370 | 2636 | |
2637 | free (full_command); | |
1fac938e | 2638 | |
3b18b370 | 2639 | result = CreateProcess |
2640 | (NULL, wcommand, &SA, NULL, TRUE, | |
2641 | GetPriorityClass (GetCurrentProcess()), NULL, NULL, &SI, &PI); | |
2642 | ||
2643 | free (wcommand); | |
2644 | } | |
f15731c4 | 2645 | |
1fac938e | 2646 | if (result == TRUE) |
2647 | { | |
1fac938e | 2648 | CloseHandle (PI.hThread); |
14d22a3f | 2649 | *h = PI.hProcess; |
2650 | *pid = PI.dwProcessId; | |
1fac938e | 2651 | } |
2652 | else | |
14d22a3f | 2653 | { |
2654 | *h = NULL; | |
2655 | *pid = 0; | |
2656 | } | |
1fac938e | 2657 | } |
2658 | ||
2659 | static int | |
9dfe12ae | 2660 | win32_wait (int *status) |
1fac938e | 2661 | { |
4c4697b8 | 2662 | DWORD exitcode, pid; |
1fac938e | 2663 | HANDLE *hl; |
2664 | HANDLE h; | |
2665 | DWORD res; | |
2666 | int k; | |
e41b023d | 2667 | int hl_len; |
1fac938e | 2668 | |
2669 | if (plist_length == 0) | |
2670 | { | |
2671 | errno = ECHILD; | |
2672 | return -1; | |
2673 | } | |
2674 | ||
1fac938e | 2675 | k = 0; |
51fa65dc | 2676 | |
2677 | /* -------------------- critical section -------------------- */ | |
2678 | (*Lock_Task) (); | |
1fac938e | 2679 | |
e41b023d | 2680 | hl_len = plist_length; |
2681 | ||
e41b023d | 2682 | hl = (HANDLE *) xmalloc (sizeof (HANDLE) * hl_len); |
2683 | ||
4c4697b8 | 2684 | memmove (hl, HANDLES_LIST, sizeof (HANDLE) * hl_len); |
1fac938e | 2685 | |
51fa65dc | 2686 | (*Unlock_Task) (); |
2687 | /* -------------------- critical section -------------------- */ | |
1fac938e | 2688 | |
e41b023d | 2689 | res = WaitForMultipleObjects (hl_len, hl, FALSE, INFINITE); |
f15731c4 | 2690 | h = hl[res - WAIT_OBJECT_0]; |
1fac938e | 2691 | |
2692 | GetExitCodeProcess (h, &exitcode); | |
14d22a3f | 2693 | pid = PID_LIST [res - WAIT_OBJECT_0]; |
4c4697b8 | 2694 | __gnat_win32_remove_handle (h, -1); |
2695 | ||
2696 | free (hl); | |
1fac938e | 2697 | |
2698 | *status = (int) exitcode; | |
4c4697b8 | 2699 | return (int) pid; |
1fac938e | 2700 | } |
2701 | ||
2702 | #endif | |
2703 | ||
2704 | int | |
9dfe12ae | 2705 | __gnat_portable_no_block_spawn (char *args[]) |
1fac938e | 2706 | { |
1fac938e | 2707 | |
e2a33c18 | 2708 | #if defined (__vxworks) || defined (__nucleus__) || defined (RTX) |
2709 | return -1; | |
2710 | ||
1fac938e | 2711 | #elif defined (_WIN32) |
2712 | ||
4c4697b8 | 2713 | HANDLE h = NULL; |
14d22a3f | 2714 | int pid; |
4c4697b8 | 2715 | |
14d22a3f | 2716 | win32_no_block_spawn (args[0], args, &h, &pid); |
4c4697b8 | 2717 | if (h != NULL) |
5d56d161 | 2718 | { |
14d22a3f | 2719 | add_handle (h, pid); |
2720 | return pid; | |
5d56d161 | 2721 | } |
2722 | else | |
2723 | return -1; | |
1fac938e | 2724 | |
1fac938e | 2725 | #else |
4c4697b8 | 2726 | |
2727 | int pid = fork (); | |
1fac938e | 2728 | |
f15731c4 | 2729 | if (pid == 0) |
2730 | { | |
2731 | /* The child. */ | |
6d9c3443 | 2732 | if (execv (args[0], MAYBE_TO_PTR32 (args)) != 0) |
f15731c4 | 2733 | #if defined (VMS) |
69d33a1d | 2734 | return -1; /* execv is in parent context on VMS. */ |
9dfe12ae | 2735 | #else |
69d33a1d | 2736 | _exit (1); |
f15731c4 | 2737 | #endif |
2738 | } | |
2739 | ||
1fac938e | 2740 | return pid; |
4c4697b8 | 2741 | |
2742 | #endif | |
1fac938e | 2743 | } |
2744 | ||
2745 | int | |
9dfe12ae | 2746 | __gnat_portable_wait (int *process_status) |
1fac938e | 2747 | { |
2748 | int status = 0; | |
2749 | int pid = 0; | |
2750 | ||
e2a33c18 | 2751 | #if defined (__vxworks) || defined (__nucleus__) || defined (RTX) |
30592778 | 2752 | /* Not sure what to do here, so do nothing but return zero. */ |
e2a33c18 | 2753 | |
2754 | #elif defined (_WIN32) | |
1fac938e | 2755 | |
2756 | pid = win32_wait (&status); | |
2757 | ||
1fac938e | 2758 | #else |
2759 | ||
1fac938e | 2760 | pid = waitpid (-1, &status, 0); |
1fac938e | 2761 | status = status & 0xffff; |
2762 | #endif | |
2763 | ||
2764 | *process_status = status; | |
2765 | return pid; | |
2766 | } | |
2767 | ||
2768 | void | |
9dfe12ae | 2769 | __gnat_os_exit (int status) |
1fac938e | 2770 | { |
1fac938e | 2771 | exit (status); |
1fac938e | 2772 | } |
2773 | ||
b860aaec | 2774 | /* Locate file on path, that matches a predicate */ |
1fac938e | 2775 | |
2776 | char * | |
b860aaec | 2777 | __gnat_locate_file_with_predicate |
2778 | (char *file_name, char *path_val, int (*predicate)(char*)) | |
1fac938e | 2779 | { |
2780 | char *ptr; | |
5703e222 | 2781 | char *file_path = (char *) alloca (strlen (file_name) + 1); |
c69ba469 | 2782 | int absolute; |
2783 | ||
b51bcb1c | 2784 | /* Return immediately if file_name is empty */ |
2785 | ||
2786 | if (*file_name == '\0') | |
2787 | return 0; | |
2788 | ||
c69ba469 | 2789 | /* Remove quotes around file_name if present */ |
2790 | ||
2791 | ptr = file_name; | |
2792 | if (*ptr == '"') | |
2793 | ptr++; | |
2794 | ||
2795 | strcpy (file_path, ptr); | |
2796 | ||
2797 | ptr = file_path + strlen (file_path) - 1; | |
2798 | ||
2799 | if (*ptr == '"') | |
2800 | *ptr = '\0'; | |
1fac938e | 2801 | |
f15731c4 | 2802 | /* Handle absolute pathnames. */ |
c69ba469 | 2803 | |
2804 | absolute = __gnat_is_absolute_path (file_path, strlen (file_name)); | |
2805 | ||
9dfe12ae | 2806 | if (absolute) |
2807 | { | |
b860aaec | 2808 | if (predicate (file_path)) |
c69ba469 | 2809 | return xstrdup (file_path); |
9dfe12ae | 2810 | |
2811 | return 0; | |
2812 | } | |
2813 | ||
2814 | /* If file_name include directory separator(s), try it first as | |
2815 | a path name relative to the current directory */ | |
1fac938e | 2816 | for (ptr = file_name; *ptr && *ptr != '/' && *ptr != DIR_SEPARATOR; ptr++) |
2817 | ; | |
2818 | ||
9dfe12ae | 2819 | if (*ptr != 0) |
1fac938e | 2820 | { |
b860aaec | 2821 | if (predicate (file_name)) |
1fac938e | 2822 | return xstrdup (file_name); |
1fac938e | 2823 | } |
2824 | ||
2825 | if (path_val == 0) | |
2826 | return 0; | |
2827 | ||
2828 | { | |
2829 | /* The result has to be smaller than path_val + file_name. */ | |
d9c927cc | 2830 | char *file_path = |
2831 | (char *) alloca (strlen (path_val) + strlen (file_name) + 2); | |
1fac938e | 2832 | |
2833 | for (;;) | |
2834 | { | |
c69ba469 | 2835 | /* Skip the starting quote */ |
2836 | ||
2837 | if (*path_val == '"') | |
69d33a1d | 2838 | path_val++; |
c69ba469 | 2839 | |
1fac938e | 2840 | for (ptr = file_path; *path_val && *path_val != PATH_SEPARATOR; ) |
69d33a1d | 2841 | *ptr++ = *path_val++; |
1fac938e | 2842 | |
5c182b3b | 2843 | /* If directory is empty, it is the current directory*/ |
2844 | ||
2845 | if (ptr == file_path) | |
2846 | { | |
2847 | *ptr = '.'; | |
2848 | } | |
2849 | else | |
2850 | ptr--; | |
c69ba469 | 2851 | |
2852 | /* Skip the ending quote */ | |
2853 | ||
2854 | if (*ptr == '"') | |
69d33a1d | 2855 | ptr--; |
c69ba469 | 2856 | |
1fac938e | 2857 | if (*ptr != '/' && *ptr != DIR_SEPARATOR) |
2858 | *++ptr = DIR_SEPARATOR; | |
2859 | ||
2860 | strcpy (++ptr, file_name); | |
2861 | ||
b860aaec | 2862 | if (predicate (file_path)) |
1fac938e | 2863 | return xstrdup (file_path); |
5c182b3b | 2864 | |
2865 | if (*path_val == 0) | |
2866 | return 0; | |
2867 | ||
2868 | /* Skip path separator */ | |
2869 | ||
2870 | path_val++; | |
1fac938e | 2871 | } |
2872 | } | |
2873 | ||
2874 | return 0; | |
2875 | } | |
2876 | ||
b860aaec | 2877 | /* Locate an executable file, give a Path value. */ |
2878 | ||
2879 | char * | |
2880 | __gnat_locate_executable_file (char *file_name, char *path_val) | |
2881 | { | |
2882 | return __gnat_locate_file_with_predicate | |
2883 | (file_name, path_val, &__gnat_is_executable_file); | |
2884 | } | |
2885 | ||
2886 | /* Locate a regular file, give a Path value. */ | |
2887 | ||
2888 | char * | |
2889 | __gnat_locate_regular_file (char *file_name, char *path_val) | |
2890 | { | |
2891 | return __gnat_locate_file_with_predicate | |
2892 | (file_name, path_val, &__gnat_is_regular_file); | |
2893 | } | |
2894 | ||
1fac938e | 2895 | /* Locate an executable given a Path argument. This routine is only used by |
2896 | gnatbl and should not be used otherwise. Use locate_exec_on_path | |
f15731c4 | 2897 | instead. */ |
1fac938e | 2898 | |
2899 | char * | |
9dfe12ae | 2900 | __gnat_locate_exec (char *exec_name, char *path_val) |
1fac938e | 2901 | { |
fb31b465 | 2902 | char *ptr; |
1fac938e | 2903 | if (!strstr (exec_name, HOST_EXECUTABLE_SUFFIX)) |
2904 | { | |
d9c927cc | 2905 | char *full_exec_name = |
2906 | (char *) alloca | |
2907 | (strlen (exec_name) + strlen (HOST_EXECUTABLE_SUFFIX) + 1); | |
1fac938e | 2908 | |
2909 | strcpy (full_exec_name, exec_name); | |
2910 | strcat (full_exec_name, HOST_EXECUTABLE_SUFFIX); | |
b860aaec | 2911 | ptr = __gnat_locate_executable_file (full_exec_name, path_val); |
fb31b465 | 2912 | |
2913 | if (ptr == 0) | |
b860aaec | 2914 | return __gnat_locate_executable_file (exec_name, path_val); |
fb31b465 | 2915 | return ptr; |
1fac938e | 2916 | } |
2917 | else | |
b860aaec | 2918 | return __gnat_locate_executable_file (exec_name, path_val); |
1fac938e | 2919 | } |
2920 | ||
f15731c4 | 2921 | /* Locate an executable using the Systems default PATH. */ |
1fac938e | 2922 | |
2923 | char * | |
9dfe12ae | 2924 | __gnat_locate_exec_on_path (char *exec_name) |
1fac938e | 2925 | { |
9dfe12ae | 2926 | char *apath_val; |
3b18b370 | 2927 | |
e2a33c18 | 2928 | #if defined (_WIN32) && !defined (RTX) |
3b18b370 | 2929 | TCHAR *wpath_val = _tgetenv (_T("PATH")); |
2930 | TCHAR *wapath_val; | |
9dfe12ae | 2931 | /* In Win32 systems we expand the PATH as for XP environment |
c69ba469 | 2932 | variables are not automatically expanded. We also prepend the |
2933 | ".;" to the path to match normal NT path search semantics */ | |
9dfe12ae | 2934 | |
c69ba469 | 2935 | #define EXPAND_BUFFER_SIZE 32767 |
9dfe12ae | 2936 | |
3b18b370 | 2937 | wapath_val = alloca (EXPAND_BUFFER_SIZE); |
c69ba469 | 2938 | |
3b18b370 | 2939 | wapath_val [0] = '.'; |
2940 | wapath_val [1] = ';'; | |
1fac938e | 2941 | |
c69ba469 | 2942 | DWORD res = ExpandEnvironmentStrings |
3b18b370 | 2943 | (wpath_val, &wapath_val[2], EXPAND_BUFFER_SIZE - 2); |
2944 | ||
2945 | if (!res) wapath_val [0] = _T('\0'); | |
2946 | ||
2947 | apath_val = alloca (EXPAND_BUFFER_SIZE); | |
2948 | ||
f60cc57d | 2949 | WS2SC (apath_val, wapath_val, EXPAND_BUFFER_SIZE); |
3b18b370 | 2950 | return __gnat_locate_exec (exec_name, apath_val); |
c69ba469 | 2951 | |
c69ba469 | 2952 | #else |
3b18b370 | 2953 | |
2954 | #ifdef VMS | |
2955 | char *path_val = "/VAXC$PATH"; | |
2956 | #else | |
2957 | char *path_val = getenv ("PATH"); | |
2958 | #endif | |
e2c62f37 | 2959 | if (path_val == NULL) return NULL; |
5703e222 | 2960 | apath_val = (char *) alloca (strlen (path_val) + 1); |
1fac938e | 2961 | strcpy (apath_val, path_val); |
2962 | return __gnat_locate_exec (exec_name, apath_val); | |
3b18b370 | 2963 | #endif |
1fac938e | 2964 | } |
2965 | ||
2966 | #ifdef VMS | |
2967 | ||
2968 | /* These functions are used to translate to and from VMS and Unix syntax | |
f15731c4 | 2969 | file, directory and path specifications. */ |
1fac938e | 2970 | |
9dfe12ae | 2971 | #define MAXPATH 256 |
1fac938e | 2972 | #define MAXNAMES 256 |
2973 | #define NEW_CANONICAL_FILELIST_INCREMENT 64 | |
2974 | ||
9dfe12ae | 2975 | static char new_canonical_dirspec [MAXPATH]; |
2976 | static char new_canonical_filespec [MAXPATH]; | |
2977 | static char new_canonical_pathspec [MAXNAMES*MAXPATH]; | |
1fac938e | 2978 | static unsigned new_canonical_filelist_index; |
2979 | static unsigned new_canonical_filelist_in_use; | |
2980 | static unsigned new_canonical_filelist_allocated; | |
2981 | static char **new_canonical_filelist; | |
9dfe12ae | 2982 | static char new_host_pathspec [MAXNAMES*MAXPATH]; |
2983 | static char new_host_dirspec [MAXPATH]; | |
2984 | static char new_host_filespec [MAXPATH]; | |
1fac938e | 2985 | |
2986 | /* Routine is called repeatedly by decc$from_vms via | |
9dfe12ae | 2987 | __gnat_to_canonical_file_list_init until it returns 0 or the expansion |
2988 | runs out. */ | |
1fac938e | 2989 | |
2990 | static int | |
9dfe12ae | 2991 | wildcard_translate_unix (char *name) |
1fac938e | 2992 | { |
2993 | char *ver; | |
9dfe12ae | 2994 | char buff [MAXPATH]; |
1fac938e | 2995 | |
9dfe12ae | 2996 | strncpy (buff, name, MAXPATH); |
2997 | buff [MAXPATH - 1] = (char) 0; | |
1fac938e | 2998 | ver = strrchr (buff, '.'); |
2999 | ||
f15731c4 | 3000 | /* Chop off the version. */ |
1fac938e | 3001 | if (ver) |
3002 | *ver = 0; | |
3003 | ||
f15731c4 | 3004 | /* Dynamically extend the allocation by the increment. */ |
1fac938e | 3005 | if (new_canonical_filelist_in_use == new_canonical_filelist_allocated) |
3006 | { | |
3007 | new_canonical_filelist_allocated += NEW_CANONICAL_FILELIST_INCREMENT; | |
f15731c4 | 3008 | new_canonical_filelist = (char **) xrealloc |
69d33a1d | 3009 | (new_canonical_filelist, |
3010 | new_canonical_filelist_allocated * sizeof (char *)); | |
1fac938e | 3011 | } |
3012 | ||
3013 | new_canonical_filelist[new_canonical_filelist_in_use++] = xstrdup (buff); | |
3014 | ||
3015 | return 1; | |
3016 | } | |
3017 | ||
f15731c4 | 3018 | /* Translate a wildcard VMS file spec into a list of Unix file specs. First do |
3019 | full translation and copy the results into a list (_init), then return them | |
3020 | one at a time (_next). If onlydirs set, only expand directory files. */ | |
1fac938e | 3021 | |
3022 | int | |
9dfe12ae | 3023 | __gnat_to_canonical_file_list_init (char *filespec, int onlydirs) |
1fac938e | 3024 | { |
3025 | int len; | |
9dfe12ae | 3026 | char buff [MAXPATH]; |
1fac938e | 3027 | |
3028 | len = strlen (filespec); | |
9dfe12ae | 3029 | strncpy (buff, filespec, MAXPATH); |
3030 | ||
3031 | /* Only look for directories */ | |
3032 | if (onlydirs && !strstr (&buff [len-5], "*.dir")) | |
3033 | strncat (buff, "*.dir", MAXPATH); | |
1fac938e | 3034 | |
9dfe12ae | 3035 | buff [MAXPATH - 1] = (char) 0; |
1fac938e | 3036 | |
3037 | decc$from_vms (buff, wildcard_translate_unix, 1); | |
3038 | ||
f15731c4 | 3039 | /* Remove the .dir extension. */ |
1fac938e | 3040 | if (onlydirs) |
3041 | { | |
3042 | int i; | |
3043 | char *ext; | |
3044 | ||
3045 | for (i = 0; i < new_canonical_filelist_in_use; i++) | |
69d33a1d | 3046 | { |
3047 | ext = strstr (new_canonical_filelist[i], ".dir"); | |
3048 | if (ext) | |
3049 | *ext = 0; | |
3050 | } | |
1fac938e | 3051 | } |
3052 | ||
3053 | return new_canonical_filelist_in_use; | |
3054 | } | |
3055 | ||
f15731c4 | 3056 | /* Return the next filespec in the list. */ |
1fac938e | 3057 | |
3058 | char * | |
3059 | __gnat_to_canonical_file_list_next () | |
3060 | { | |
f15731c4 | 3061 | return new_canonical_filelist[new_canonical_filelist_index++]; |
1fac938e | 3062 | } |
3063 | ||
f15731c4 | 3064 | /* Free storage used in the wildcard expansion. */ |
1fac938e | 3065 | |
3066 | void | |
3067 | __gnat_to_canonical_file_list_free () | |
3068 | { | |
3069 | int i; | |
3070 | ||
3071 | for (i = 0; i < new_canonical_filelist_in_use; i++) | |
f15731c4 | 3072 | free (new_canonical_filelist[i]); |
1fac938e | 3073 | |
3074 | free (new_canonical_filelist); | |
3075 | ||
3076 | new_canonical_filelist_in_use = 0; | |
3077 | new_canonical_filelist_allocated = 0; | |
3078 | new_canonical_filelist_index = 0; | |
3079 | new_canonical_filelist = 0; | |
3080 | } | |
3081 | ||
b12d3a0b | 3082 | /* The functional equivalent of decc$translate_vms routine. |
3083 | Designed to produce the same output, but is protected against | |
3084 | malformed paths (original version ACCVIOs in this case) and | |
3085 | does not require VMS-specific DECC RTL */ | |
3086 | ||
3087 | #define NAM$C_MAXRSS 1024 | |
3088 | ||
3089 | char * | |
3090 | __gnat_translate_vms (char *src) | |
3091 | { | |
3092 | static char retbuf [NAM$C_MAXRSS+1]; | |
3093 | char *srcendpos, *pos1, *pos2, *retpos; | |
3094 | int disp, path_present = 0; | |
3095 | ||
3096 | if (!src) return NULL; | |
3097 | ||
3098 | srcendpos = strchr (src, '\0'); | |
3099 | retpos = retbuf; | |
3100 | ||
3101 | /* Look for the node and/or device in front of the path */ | |
3102 | pos1 = src; | |
3103 | pos2 = strchr (pos1, ':'); | |
3104 | ||
3105 | if (pos2 && (pos2 < srcendpos) && (*(pos2 + 1) == ':')) { | |
3106 | /* There is a node name. "node_name::" becomes "node_name!" */ | |
3107 | disp = pos2 - pos1; | |
3108 | strncpy (retbuf, pos1, disp); | |
3109 | retpos [disp] = '!'; | |
3110 | retpos = retpos + disp + 1; | |
3111 | pos1 = pos2 + 2; | |
3112 | pos2 = strchr (pos1, ':'); | |
3113 | } | |
3114 | ||
3115 | if (pos2) { | |
3116 | /* There is a device name. "dev_name:" becomes "/dev_name/" */ | |
3117 | *(retpos++) = '/'; | |
3118 | disp = pos2 - pos1; | |
3119 | strncpy (retpos, pos1, disp); | |
3120 | retpos = retpos + disp; | |
3121 | pos1 = pos2 + 1; | |
3122 | *(retpos++) = '/'; | |
3123 | } | |
3124 | else | |
3125 | /* No explicit device; we must look ahead and prepend /sys$disk/ if | |
3126 | the path is absolute */ | |
3127 | if ((*pos1 == '[' || *pos1 == '<') && (pos1 < srcendpos) | |
3128 | && !strchr (".-]>", *(pos1 + 1))) { | |
3129 | strncpy (retpos, "/sys$disk/", 10); | |
3130 | retpos += 10; | |
3131 | } | |
3132 | ||
3133 | /* Process the path part */ | |
3134 | while (*pos1 == '[' || *pos1 == '<') { | |
3135 | path_present++; | |
3136 | pos1++; | |
3137 | if (*pos1 == ']' || *pos1 == '>') { | |
3138 | /* Special case, [] translates to '.' */ | |
3139 | *(retpos++) = '.'; | |
3140 | pos1++; | |
3141 | } | |
3142 | else { | |
3143 | /* '[000000' means root dir. It can be present in the middle of | |
3144 | the path due to expansion of logical devices, in which case | |
3145 | we skip it */ | |
3146 | if (!strncmp (pos1, "000000", 6) && path_present > 1 && | |
3147 | (*(pos1 + 6) == ']' || *(pos1 + 6) == '>' || *(pos1 + 6) == '.')) { | |
3148 | pos1 += 6; | |
3149 | if (*pos1 == '.') pos1++; | |
3150 | } | |
3151 | else if (*pos1 == '.') { | |
3152 | /* Relative path */ | |
3153 | *(retpos++) = '.'; | |
3154 | } | |
3155 | ||
2359306a | 3156 | /* There is a qualified path */ |
3157 | while (*pos1 && *pos1 != ']' && *pos1 != '>') { | |
b12d3a0b | 3158 | switch (*pos1) { |
3159 | case '.': | |
3160 | /* '.' is used to separate directories. Replace it with '/' but | |
3161 | only if there isn't already '/' just before */ | |
3162 | if (*(retpos - 1) != '/') *(retpos++) = '/'; | |
3163 | pos1++; | |
3164 | if (pos1 + 1 < srcendpos && *pos1 == '.' && *(pos1 + 1) == '.') { | |
3165 | /* ellipsis refers to entire subtree; replace with '**' */ | |
3166 | *(retpos++) = '*'; *(retpos++) = '*'; *(retpos++) = '/'; | |
3167 | pos1 += 2; | |
3168 | } | |
3169 | break; | |
3170 | case '-' : | |
2359306a | 3171 | /* When after '.' '[' '<' is equivalent to Unix ".." but there |
3172 | may be several in a row */ | |
3173 | if (*(pos1 - 1) == '.' || *(pos1 - 1) == '[' || | |
3174 | *(pos1 - 1) == '<') { | |
3175 | while (*pos1 == '-') { | |
3176 | pos1++; | |
3177 | *(retpos++) = '.'; *(retpos++) = '.'; *(retpos++) = '/'; | |
3178 | } | |
3179 | retpos--; | |
3180 | break; | |
b12d3a0b | 3181 | } |
2359306a | 3182 | /* otherwise fall through to default */ |
b12d3a0b | 3183 | default: |
3184 | *(retpos++) = *(pos1++); | |
3185 | } | |
3186 | } | |
3187 | pos1++; | |
3188 | } | |
3189 | } | |
3190 | ||
3191 | if (pos1 < srcendpos) { | |
3192 | /* Now add the actual file name, until the version suffix if any */ | |
3193 | if (path_present) *(retpos++) = '/'; | |
3194 | pos2 = strchr (pos1, ';'); | |
3195 | disp = pos2? (pos2 - pos1) : (srcendpos - pos1); | |
3196 | strncpy (retpos, pos1, disp); | |
3197 | retpos += disp; | |
3198 | if (pos2 && pos2 < srcendpos) { | |
3199 | /* There is a non-empty version suffix. ";<ver>" becomes ".<ver>" */ | |
3200 | *retpos++ = '.'; | |
3201 | disp = srcendpos - pos2 - 1; | |
3202 | strncpy (retpos, pos2 + 1, disp); | |
3203 | retpos += disp; | |
3204 | } | |
3205 | } | |
3206 | ||
3207 | *retpos = '\0'; | |
3208 | ||
3209 | return retbuf; | |
3210 | ||
3211 | } | |
3212 | ||
f15731c4 | 3213 | /* Translate a VMS syntax directory specification in to Unix syntax. If |
3214 | PREFIXFLAG is set, append an underscore "/". If no indicators of VMS syntax | |
3215 | found, return input string. Also translate a dirname that contains no | |
3216 | slashes, in case it's a logical name. */ | |
1fac938e | 3217 | |
3218 | char * | |
9dfe12ae | 3219 | __gnat_to_canonical_dir_spec (char *dirspec, int prefixflag) |
1fac938e | 3220 | { |
3221 | int len; | |
3222 | ||
3223 | strcpy (new_canonical_dirspec, ""); | |
3224 | if (strlen (dirspec)) | |
3225 | { | |
3226 | char *dirspec1; | |
3227 | ||
3228 | if (strchr (dirspec, ']') || strchr (dirspec, ':')) | |
69d33a1d | 3229 | { |
3230 | strncpy (new_canonical_dirspec, | |
3231 | __gnat_translate_vms (dirspec), | |
3232 | MAXPATH); | |
3233 | } | |
1fac938e | 3234 | else if (!strchr (dirspec, '/') && (dirspec1 = getenv (dirspec)) != 0) |
69d33a1d | 3235 | { |
3236 | strncpy (new_canonical_dirspec, | |
3237 | __gnat_translate_vms (dirspec1), | |
3238 | MAXPATH); | |
3239 | } | |
1fac938e | 3240 | else |
69d33a1d | 3241 | { |
3242 | strncpy (new_canonical_dirspec, dirspec, MAXPATH); | |
3243 | } | |
1fac938e | 3244 | } |
3245 | ||
3246 | len = strlen (new_canonical_dirspec); | |
9dfe12ae | 3247 | if (prefixflag && new_canonical_dirspec [len-1] != '/') |
3248 | strncat (new_canonical_dirspec, "/", MAXPATH); | |
3249 | ||
3250 | new_canonical_dirspec [MAXPATH - 1] = (char) 0; | |
1fac938e | 3251 | |
3252 | return new_canonical_dirspec; | |
3253 | ||
3254 | } | |
3255 | ||
3256 | /* Translate a VMS syntax file specification into Unix syntax. | |
3cc2671a | 3257 | If no indicators of VMS syntax found, check if it's an uppercase |
23c6b287 | 3258 | alphanumeric_ name and if so try it out as an environment |
3259 | variable (logical name). If all else fails return the | |
3260 | input string. */ | |
1fac938e | 3261 | |
3262 | char * | |
9dfe12ae | 3263 | __gnat_to_canonical_file_spec (char *filespec) |
1fac938e | 3264 | { |
23c6b287 | 3265 | char *filespec1; |
3266 | ||
9dfe12ae | 3267 | strncpy (new_canonical_filespec, "", MAXPATH); |
3268 | ||
1fac938e | 3269 | if (strchr (filespec, ']') || strchr (filespec, ':')) |
9dfe12ae | 3270 | { |
2359306a | 3271 | char *tspec = (char *) __gnat_translate_vms (filespec); |
c69ba469 | 3272 | |
3273 | if (tspec != (char *) -1) | |
69d33a1d | 3274 | strncpy (new_canonical_filespec, tspec, MAXPATH); |
23c6b287 | 3275 | } |
3276 | else if ((strlen (filespec) == strspn (filespec, | |
69d33a1d | 3277 | "ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789_")) |
3278 | && (filespec1 = getenv (filespec))) | |
23c6b287 | 3279 | { |
2359306a | 3280 | char *tspec = (char *) __gnat_translate_vms (filespec1); |
c69ba469 | 3281 | |
3282 | if (tspec != (char *) -1) | |
69d33a1d | 3283 | strncpy (new_canonical_filespec, tspec, MAXPATH); |
9dfe12ae | 3284 | } |
1fac938e | 3285 | else |
9dfe12ae | 3286 | { |
3287 | strncpy (new_canonical_filespec, filespec, MAXPATH); | |
3288 | } | |
3289 | ||
3290 | new_canonical_filespec [MAXPATH - 1] = (char) 0; | |
1fac938e | 3291 | |
3292 | return new_canonical_filespec; | |
3293 | } | |
3294 | ||
3295 | /* Translate a VMS syntax path specification into Unix syntax. | |
f15731c4 | 3296 | If no indicators of VMS syntax found, return input string. */ |
1fac938e | 3297 | |
3298 | char * | |
9dfe12ae | 3299 | __gnat_to_canonical_path_spec (char *pathspec) |
1fac938e | 3300 | { |
9dfe12ae | 3301 | char *curr, *next, buff [MAXPATH]; |
1fac938e | 3302 | |
3303 | if (pathspec == 0) | |
3304 | return pathspec; | |
3305 | ||
f15731c4 | 3306 | /* If there are /'s, assume it's a Unix path spec and return. */ |
1fac938e | 3307 | if (strchr (pathspec, '/')) |
3308 | return pathspec; | |
3309 | ||
f15731c4 | 3310 | new_canonical_pathspec[0] = 0; |
1fac938e | 3311 | curr = pathspec; |
3312 | ||
3313 | for (;;) | |
3314 | { | |
3315 | next = strchr (curr, ','); | |
3316 | if (next == 0) | |
3317 | next = strchr (curr, 0); | |
3318 | ||
3319 | strncpy (buff, curr, next - curr); | |
f15731c4 | 3320 | buff[next - curr] = 0; |
1fac938e | 3321 | |
f15731c4 | 3322 | /* Check for wildcards and expand if present. */ |
1fac938e | 3323 | if (strchr (buff, '*') || strchr (buff, '%') || strstr (buff, "...")) |
3324 | { | |
3325 | int i, dirs; | |
3326 | ||
3327 | dirs = __gnat_to_canonical_file_list_init (buff, 1); | |
3328 | for (i = 0; i < dirs; i++) | |
3329 | { | |
3330 | char *next_dir; | |
3331 | ||
3332 | next_dir = __gnat_to_canonical_file_list_next (); | |
9dfe12ae | 3333 | strncat (new_canonical_pathspec, next_dir, MAXPATH); |
1fac938e | 3334 | |
f15731c4 | 3335 | /* Don't append the separator after the last expansion. */ |
1fac938e | 3336 | if (i+1 < dirs) |
9dfe12ae | 3337 | strncat (new_canonical_pathspec, ":", MAXPATH); |
1fac938e | 3338 | } |
3339 | ||
69d33a1d | 3340 | __gnat_to_canonical_file_list_free (); |
1fac938e | 3341 | } |
3342 | else | |
69d33a1d | 3343 | strncat (new_canonical_pathspec, |
3344 | __gnat_to_canonical_dir_spec (buff, 0), MAXPATH); | |
1fac938e | 3345 | |
3346 | if (*next == 0) | |
3347 | break; | |
3348 | ||
9dfe12ae | 3349 | strncat (new_canonical_pathspec, ":", MAXPATH); |
1fac938e | 3350 | curr = next + 1; |
3351 | } | |
3352 | ||
9dfe12ae | 3353 | new_canonical_pathspec [MAXPATH - 1] = (char) 0; |
3354 | ||
1fac938e | 3355 | return new_canonical_pathspec; |
3356 | } | |
3357 | ||
9dfe12ae | 3358 | static char filename_buff [MAXPATH]; |
1fac938e | 3359 | |
3360 | static int | |
9dfe12ae | 3361 | translate_unix (char *name, int type) |
1fac938e | 3362 | { |
9dfe12ae | 3363 | strncpy (filename_buff, name, MAXPATH); |
3364 | filename_buff [MAXPATH - 1] = (char) 0; | |
1fac938e | 3365 | return 0; |
3366 | } | |
3367 | ||
f15731c4 | 3368 | /* Translate a Unix syntax path spec into a VMS style (comma separated list of |
3369 | directories. */ | |
1fac938e | 3370 | |
3371 | static char * | |
9dfe12ae | 3372 | to_host_path_spec (char *pathspec) |
1fac938e | 3373 | { |
9dfe12ae | 3374 | char *curr, *next, buff [MAXPATH]; |
1fac938e | 3375 | |
3376 | if (pathspec == 0) | |
3377 | return pathspec; | |
3378 | ||
f15731c4 | 3379 | /* Can't very well test for colons, since that's the Unix separator! */ |
1fac938e | 3380 | if (strchr (pathspec, ']') || strchr (pathspec, ',')) |
3381 | return pathspec; | |
3382 | ||
f15731c4 | 3383 | new_host_pathspec[0] = 0; |
1fac938e | 3384 | curr = pathspec; |
3385 | ||
3386 | for (;;) | |
3387 | { | |
3388 | next = strchr (curr, ':'); | |
3389 | if (next == 0) | |
3390 | next = strchr (curr, 0); | |
3391 | ||
3392 | strncpy (buff, curr, next - curr); | |
f15731c4 | 3393 | buff[next - curr] = 0; |
1fac938e | 3394 | |
9dfe12ae | 3395 | strncat (new_host_pathspec, __gnat_to_host_dir_spec (buff, 0), MAXPATH); |
1fac938e | 3396 | if (*next == 0) |
3397 | break; | |
9dfe12ae | 3398 | strncat (new_host_pathspec, ",", MAXPATH); |
1fac938e | 3399 | curr = next + 1; |
3400 | } | |
3401 | ||
9dfe12ae | 3402 | new_host_pathspec [MAXPATH - 1] = (char) 0; |
3403 | ||
1fac938e | 3404 | return new_host_pathspec; |
3405 | } | |
3406 | ||
f15731c4 | 3407 | /* Translate a Unix syntax directory specification into VMS syntax. The |
3408 | PREFIXFLAG has no effect, but is kept for symmetry with | |
3409 | to_canonical_dir_spec. If indicators of VMS syntax found, return input | |
3410 | string. */ | |
1fac938e | 3411 | |
3412 | char * | |
9dfe12ae | 3413 | __gnat_to_host_dir_spec (char *dirspec, int prefixflag ATTRIBUTE_UNUSED) |
1fac938e | 3414 | { |
3415 | int len = strlen (dirspec); | |
3416 | ||
9dfe12ae | 3417 | strncpy (new_host_dirspec, dirspec, MAXPATH); |
3418 | new_host_dirspec [MAXPATH - 1] = (char) 0; | |
1fac938e | 3419 | |
3420 | if (strchr (new_host_dirspec, ']') || strchr (new_host_dirspec, ':')) | |
3421 | return new_host_dirspec; | |
3422 | ||
f15731c4 | 3423 | while (len > 1 && new_host_dirspec[len - 1] == '/') |
1fac938e | 3424 | { |
f15731c4 | 3425 | new_host_dirspec[len - 1] = 0; |
1fac938e | 3426 | len--; |
3427 | } | |
3428 | ||
3429 | decc$to_vms (new_host_dirspec, translate_unix, 1, 2); | |
9dfe12ae | 3430 | strncpy (new_host_dirspec, filename_buff, MAXPATH); |
3431 | new_host_dirspec [MAXPATH - 1] = (char) 0; | |
1fac938e | 3432 | |
3433 | return new_host_dirspec; | |
1fac938e | 3434 | } |
3435 | ||
3436 | /* Translate a Unix syntax file specification into VMS syntax. | |
f15731c4 | 3437 | If indicators of VMS syntax found, return input string. */ |
1fac938e | 3438 | |
3439 | char * | |
9dfe12ae | 3440 | __gnat_to_host_file_spec (char *filespec) |
1fac938e | 3441 | { |
9dfe12ae | 3442 | strncpy (new_host_filespec, "", MAXPATH); |
1fac938e | 3443 | if (strchr (filespec, ']') || strchr (filespec, ':')) |
9dfe12ae | 3444 | { |
3445 | strncpy (new_host_filespec, filespec, MAXPATH); | |
3446 | } | |
1fac938e | 3447 | else |
3448 | { | |
3449 | decc$to_vms (filespec, translate_unix, 1, 1); | |
9dfe12ae | 3450 | strncpy (new_host_filespec, filename_buff, MAXPATH); |
1fac938e | 3451 | } |
3452 | ||
9dfe12ae | 3453 | new_host_filespec [MAXPATH - 1] = (char) 0; |
3454 | ||
1fac938e | 3455 | return new_host_filespec; |
3456 | } | |
3457 | ||
3458 | void | |
3459 | __gnat_adjust_os_resource_limits () | |
3460 | { | |
3461 | SYS$ADJWSL (131072, 0); | |
3462 | } | |
3463 | ||
9dfe12ae | 3464 | #else /* VMS */ |
1fac938e | 3465 | |
f15731c4 | 3466 | /* Dummy functions for Osint import for non-VMS systems. */ |
1fac938e | 3467 | |
3468 | int | |
9dfe12ae | 3469 | __gnat_to_canonical_file_list_init |
3470 | (char *dirspec ATTRIBUTE_UNUSED, int onlydirs ATTRIBUTE_UNUSED) | |
1fac938e | 3471 | { |
3472 | return 0; | |
3473 | } | |
3474 | ||
3475 | char * | |
6f2c2693 | 3476 | __gnat_to_canonical_file_list_next (void) |
1fac938e | 3477 | { |
6b88f2fe | 3478 | static char empty[] = ""; |
4c4697b8 | 3479 | return empty; |
1fac938e | 3480 | } |
3481 | ||
3482 | void | |
6f2c2693 | 3483 | __gnat_to_canonical_file_list_free (void) |
1fac938e | 3484 | { |
3485 | } | |
3486 | ||
3487 | char * | |
9dfe12ae | 3488 | __gnat_to_canonical_dir_spec (char *dirspec, int prefixflag ATTRIBUTE_UNUSED) |
1fac938e | 3489 | { |
3490 | return dirspec; | |
3491 | } | |
3492 | ||
3493 | char * | |
9dfe12ae | 3494 | __gnat_to_canonical_file_spec (char *filespec) |
1fac938e | 3495 | { |
3496 | return filespec; | |
3497 | } | |
3498 | ||
3499 | char * | |
9dfe12ae | 3500 | __gnat_to_canonical_path_spec (char *pathspec) |
1fac938e | 3501 | { |
3502 | return pathspec; | |
3503 | } | |
3504 | ||
3505 | char * | |
9dfe12ae | 3506 | __gnat_to_host_dir_spec (char *dirspec, int prefixflag ATTRIBUTE_UNUSED) |
1fac938e | 3507 | { |
3508 | return dirspec; | |
3509 | } | |
3510 | ||
3511 | char * | |
9dfe12ae | 3512 | __gnat_to_host_file_spec (char *filespec) |
1fac938e | 3513 | { |
3514 | return filespec; | |
3515 | } | |
3516 | ||
3517 | void | |
6f2c2693 | 3518 | __gnat_adjust_os_resource_limits (void) |
1fac938e | 3519 | { |
3520 | } | |
3521 | ||
3522 | #endif | |
3523 | ||
1fac938e | 3524 | #if defined (__mips_vxworks) |
9dfe12ae | 3525 | int |
3526 | _flush_cache() | |
1fac938e | 3527 | { |
3528 | CACHE_USER_FLUSH (0, ENTIRE_CACHE); | |
3529 | } | |
3530 | #endif | |
3531 | ||
8c7d3bad | 3532 | #if defined (IS_CROSS) \ |
a3b0f4f2 | 3533 | || (! ((defined (sparc) || defined (i386)) && defined (sun) \ |
3534 | && defined (__SVR4)) \ | |
c69ba469 | 3535 | && ! (defined (linux) && (defined (i386) || defined (__x86_64__))) \ |
a3b0f4f2 | 3536 | && ! (defined (linux) && defined (__ia64__)) \ |
547371fa | 3537 | && ! (defined (linux) && defined (powerpc)) \ |
40a4417a | 3538 | && ! defined (__FreeBSD__) \ |
571e421a | 3539 | && ! defined (__Lynx__) \ |
21a87c1d | 3540 | && ! defined (__hpux__) \ |
ba706ed3 | 3541 | && ! defined (__APPLE__) \ |
9dfe12ae | 3542 | && ! defined (_AIX) \ |
3b18b370 | 3543 | && ! defined (VMS) \ |
80d4fec4 | 3544 | && ! defined (__MINGW32__) \ |
3545 | && ! (defined (__mips) && defined (__sgi))) | |
f15731c4 | 3546 | |
a3b0f4f2 | 3547 | /* Dummy function to satisfy g-trasym.o. See the preprocessor conditional |
3548 | just above for a list of native platforms that provide a non-dummy | |
3549 | version of this procedure in libaddr2line.a. */ | |
1fac938e | 3550 | |
3551 | void | |
1e622f0e | 3552 | convert_addresses (const char *file_name ATTRIBUTE_UNUSED, |
3553 | void *addrs ATTRIBUTE_UNUSED, | |
9dfe12ae | 3554 | int n_addr ATTRIBUTE_UNUSED, |
3555 | void *buf ATTRIBUTE_UNUSED, | |
3556 | int *len ATTRIBUTE_UNUSED) | |
1fac938e | 3557 | { |
3558 | *len = 0; | |
3559 | } | |
3560 | #endif | |
f15731c4 | 3561 | |
3562 | #if defined (_WIN32) | |
3563 | int __gnat_argument_needs_quote = 1; | |
3564 | #else | |
3565 | int __gnat_argument_needs_quote = 0; | |
3566 | #endif | |
9dfe12ae | 3567 | |
3568 | /* This option is used to enable/disable object files handling from the | |
3569 | binder file by the GNAT Project module. For example, this is disabled on | |
e0f42093 | 3570 | Windows (prior to GCC 3.4) as it is already done by the mdll module. |
3571 | Stating with GCC 3.4 the shared libraries are not based on mdll | |
3572 | anymore as it uses the GCC's -shared option */ | |
3573 | #if defined (_WIN32) \ | |
3574 | && ((__GNUC__ < 3) || ((__GNUC__ == 3) && (__GNUC_MINOR__ < 4))) | |
9dfe12ae | 3575 | int __gnat_prj_add_obj_files = 0; |
3576 | #else | |
3577 | int __gnat_prj_add_obj_files = 1; | |
3578 | #endif | |
3579 | ||
3580 | /* char used as prefix/suffix for environment variables */ | |
3581 | #if defined (_WIN32) | |
3582 | char __gnat_environment_char = '%'; | |
3583 | #else | |
3584 | char __gnat_environment_char = '$'; | |
3585 | #endif | |
3586 | ||
3587 | /* This functions copy the file attributes from a source file to a | |
3588 | destination file. | |
3589 | ||
3590 | mode = 0 : In this mode copy only the file time stamps (last access and | |
3591 | last modification time stamps). | |
3592 | ||
3593 | mode = 1 : In this mode, time stamps and read/write/execute attributes are | |
3594 | copied. | |
3595 | ||
3596 | Returns 0 if operation was successful and -1 in case of error. */ | |
3597 | ||
3598 | int | |
3599 | __gnat_copy_attribs (char *from, char *to, int mode) | |
3600 | { | |
b07bcda8 | 3601 | #if defined (VMS) || (defined (__vxworks) && _WRS_VXWORKS_MAJOR < 6) || \ |
3602 | defined (__nucleus__) | |
9dfe12ae | 3603 | return -1; |
6a85c251 | 3604 | |
3605 | #elif defined (_WIN32) && !defined (RTX) | |
3606 | TCHAR wfrom [GNAT_MAX_PATH_LEN + 2]; | |
3607 | TCHAR wto [GNAT_MAX_PATH_LEN + 2]; | |
3608 | BOOL res; | |
3609 | FILETIME fct, flat, flwt; | |
3610 | HANDLE hfrom, hto; | |
3611 | ||
3612 | S2WSC (wfrom, from, GNAT_MAX_PATH_LEN + 2); | |
3613 | S2WSC (wto, to, GNAT_MAX_PATH_LEN + 2); | |
3614 | ||
3615 | /* retrieve from times */ | |
3616 | ||
3617 | hfrom = CreateFile | |
3618 | (wfrom, GENERIC_READ, 0, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL); | |
3619 | ||
3620 | if (hfrom == INVALID_HANDLE_VALUE) | |
3621 | return -1; | |
3622 | ||
3623 | res = GetFileTime (hfrom, &fct, &flat, &flwt); | |
3624 | ||
3625 | CloseHandle (hfrom); | |
3626 | ||
3627 | if (res == 0) | |
3628 | return -1; | |
3629 | ||
3630 | /* retrieve from times */ | |
3631 | ||
3632 | hto = CreateFile | |
3633 | (wto, GENERIC_WRITE, 0, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL); | |
3634 | ||
3635 | if (hto == INVALID_HANDLE_VALUE) | |
3636 | return -1; | |
3637 | ||
3638 | res = SetFileTime (hto, NULL, &flat, &flwt); | |
3639 | ||
3640 | CloseHandle (hto); | |
3641 | ||
3642 | if (res == 0) | |
3643 | return -1; | |
3644 | ||
3645 | /* Set file attributes in full mode. */ | |
3646 | ||
3647 | if (mode == 1) | |
3648 | { | |
3649 | DWORD attribs = GetFileAttributes (wfrom); | |
3650 | ||
3651 | if (attribs == INVALID_FILE_ATTRIBUTES) | |
3652 | return -1; | |
3653 | ||
3654 | res = SetFileAttributes (wto, attribs); | |
3655 | if (res == 0) | |
3656 | return -1; | |
3657 | } | |
3658 | ||
3659 | return 0; | |
3660 | ||
9dfe12ae | 3661 | #else |
8cb516d7 | 3662 | GNAT_STRUCT_STAT fbuf; |
9dfe12ae | 3663 | struct utimbuf tbuf; |
3664 | ||
8cb516d7 | 3665 | if (GNAT_STAT (from, &fbuf) == -1) |
9dfe12ae | 3666 | { |
3667 | return -1; | |
3668 | } | |
3669 | ||
3670 | tbuf.actime = fbuf.st_atime; | |
3671 | tbuf.modtime = fbuf.st_mtime; | |
3672 | ||
3673 | if (utime (to, &tbuf) == -1) | |
3674 | { | |
3675 | return -1; | |
3676 | } | |
3677 | ||
3678 | if (mode == 1) | |
3679 | { | |
3680 | if (chmod (to, fbuf.st_mode) == -1) | |
3681 | { | |
3682 | return -1; | |
3683 | } | |
3684 | } | |
3685 | ||
3686 | return 0; | |
3687 | #endif | |
3688 | } | |
3689 | ||
cf6d853e | 3690 | int |
3691 | __gnat_lseek (int fd, long offset, int whence) | |
3692 | { | |
3693 | return (int) lseek (fd, offset, whence); | |
3694 | } | |
0914a918 | 3695 | |
e2c62f37 | 3696 | /* This function returns the major version number of GCC being used. */ |
0914a918 | 3697 | int |
3698 | get_gcc_version (void) | |
3699 | { | |
e2c62f37 | 3700 | #ifdef IN_RTS |
3701 | return __GNUC__; | |
3702 | #else | |
3703 | return (int) (version_string[0] - '0'); | |
3704 | #endif | |
0914a918 | 3705 | } |
6d9c3443 | 3706 | |
3707 | int | |
de10c095 | 3708 | __gnat_set_close_on_exec (int fd ATTRIBUTE_UNUSED, |
0e9e8338 | 3709 | int close_on_exec_p ATTRIBUTE_UNUSED) |
6d9c3443 | 3710 | { |
3711 | #if defined (F_GETFD) && defined (FD_CLOEXEC) && ! defined (__vxworks) | |
3712 | int flags = fcntl (fd, F_GETFD, 0); | |
3713 | if (flags < 0) | |
3714 | return flags; | |
3715 | if (close_on_exec_p) | |
3716 | flags |= FD_CLOEXEC; | |
3717 | else | |
3718 | flags &= ~FD_CLOEXEC; | |
3719 | return fcntl (fd, F_SETFD, flags | FD_CLOEXEC); | |
07f34887 | 3720 | #elif defined(_WIN32) |
3721 | HANDLE h = (HANDLE) _get_osfhandle (fd); | |
3722 | if (h == (HANDLE) -1) | |
3723 | return -1; | |
3724 | if (close_on_exec_p) | |
3725 | return ! SetHandleInformation (h, HANDLE_FLAG_INHERIT, 0); | |
bcf0a1b1 | 3726 | return ! SetHandleInformation (h, HANDLE_FLAG_INHERIT, |
07f34887 | 3727 | HANDLE_FLAG_INHERIT); |
6d9c3443 | 3728 | #else |
07f34887 | 3729 | /* TODO: Unimplemented. */ |
6d9c3443 | 3730 | return -1; |
6d9c3443 | 3731 | #endif |
3732 | } | |
fb31b465 | 3733 | |
3734 | /* Indicates if platforms supports automatic initialization through the | |
3735 | constructor mechanism */ | |
3736 | int | |
c88e6a4f | 3737 | __gnat_binder_supports_auto_init (void) |
fb31b465 | 3738 | { |
3739 | #ifdef VMS | |
3740 | return 0; | |
3741 | #else | |
3742 | return 1; | |
3743 | #endif | |
3744 | } | |
3745 | ||
3746 | /* Indicates that Stand-Alone Libraries are automatically initialized through | |
3747 | the constructor mechanism */ | |
3748 | int | |
c88e6a4f | 3749 | __gnat_sals_init_using_constructors (void) |
fb31b465 | 3750 | { |
3751 | #if defined (__vxworks) || defined (__Lynx__) || defined (VMS) | |
3752 | return 0; | |
3753 | #else | |
3754 | return 1; | |
3755 | #endif | |
3756 | } | |
e2a33c18 | 3757 | |
8e726ab4 | 3758 | #ifdef RTX |
3759 | ||
e2a33c18 | 3760 | /* In RTX mode, the procedure to get the time (as file time) is different |
3761 | in RTSS mode and Win32 mode. In order to avoid duplicating an Ada file, | |
3762 | we introduce an intermediate procedure to link against the corresponding | |
3763 | one in each situation. */ | |
8e726ab4 | 3764 | |
3765 | extern void GetTimeAsFileTime(LPFILETIME pTime); | |
e2a33c18 | 3766 | |
3767 | void GetTimeAsFileTime(LPFILETIME pTime) | |
3768 | { | |
3769 | #ifdef RTSS | |
3770 | RtGetRtssTimeAsFileTime (pTime); /* RTSS interface */ | |
3771 | #else | |
3772 | GetSystemTimeAsFileTime (pTime); /* w32 interface */ | |
3773 | #endif | |
3774 | } | |
8e726ab4 | 3775 | |
3776 | #ifdef RTSS | |
3777 | /* Add symbol that is required to link. It would otherwise be taken from | |
3778 | libgcc.a and it would try to use the gcc constructors that are not | |
3779 | supported by Microsoft linker. */ | |
3780 | ||
3781 | extern void __main (void); | |
3782 | ||
3783 | void __main (void) {} | |
3784 | #endif | |
e2a33c18 | 3785 | #endif |
3786 | ||
a0d9619f | 3787 | #if defined (linux) |
3788 | /* There is no function in the glibc to retrieve the LWP of the current | |
3789 | thread. We need to do a system call in order to retrieve this | |
3790 | information. */ | |
3791 | #include <sys/syscall.h> | |
12e8797f | 3792 | void *__gnat_lwp_self (void) |
3793 | { | |
a0d9619f | 3794 | return (void *) syscall (__NR_gettid); |
3795 | } | |
40d4441d | 3796 | |
3797 | #include <sched.h> | |
3798 | ||
38846e90 | 3799 | /* glibc versions earlier than 2.7 do not define the routines to handle |
3800 | dynamically allocated CPU sets. For these targets, we use the static | |
3801 | versions. */ | |
3802 | ||
3803 | #ifdef CPU_ALLOC | |
3804 | ||
3805 | /* Dynamic cpu sets */ | |
3806 | ||
91965b95 | 3807 | cpu_set_t *__gnat_cpu_alloc (size_t count) |
40d4441d | 3808 | { |
91965b95 | 3809 | return CPU_ALLOC (count); |
40d4441d | 3810 | } |
3811 | ||
91965b95 | 3812 | size_t __gnat_cpu_alloc_size (size_t count) |
3813 | { | |
3814 | return CPU_ALLOC_SIZE (count); | |
3815 | } | |
3816 | ||
3817 | void __gnat_cpu_free (cpu_set_t *set) | |
3818 | { | |
3819 | CPU_FREE (set); | |
3820 | } | |
3821 | ||
3822 | void __gnat_cpu_zero (size_t count, cpu_set_t *set) | |
3823 | { | |
3824 | CPU_ZERO_S (count, set); | |
3825 | } | |
3826 | ||
3827 | void __gnat_cpu_set (int cpu, size_t count, cpu_set_t *set) | |
40d4441d | 3828 | { |
3829 | /* Ada handles CPU numbers starting from 1, while C identifies the first | |
3830 | CPU by a 0, so we need to adjust. */ | |
91965b95 | 3831 | CPU_SET_S (cpu - 1, count, set); |
40d4441d | 3832 | } |
38846e90 | 3833 | |
3834 | #else | |
3835 | ||
3836 | /* Static cpu sets */ | |
3837 | ||
3838 | cpu_set_t *__gnat_cpu_alloc (size_t count ATTRIBUTE_UNUSED) | |
3839 | { | |
3840 | return (cpu_set_t *) xmalloc (sizeof (cpu_set_t)); | |
3841 | } | |
3842 | ||
3843 | size_t __gnat_cpu_alloc_size (size_t count ATTRIBUTE_UNUSED) | |
3844 | { | |
3845 | return sizeof (cpu_set_t); | |
3846 | } | |
3847 | ||
3848 | void __gnat_cpu_free (cpu_set_t *set) | |
3849 | { | |
3850 | free (set); | |
3851 | } | |
3852 | ||
3853 | void __gnat_cpu_zero (size_t count ATTRIBUTE_UNUSED, cpu_set_t *set) | |
3854 | { | |
3855 | CPU_ZERO (set); | |
3856 | } | |
3857 | ||
3858 | void __gnat_cpu_set (int cpu, size_t count ATTRIBUTE_UNUSED, cpu_set_t *set) | |
3859 | { | |
3860 | /* Ada handles CPU numbers starting from 1, while C identifies the first | |
3861 | CPU by a 0, so we need to adjust. */ | |
3862 | CPU_SET (cpu - 1, set); | |
3863 | } | |
a0d9619f | 3864 | #endif |
63b63ca2 | 3865 | #endif |
becb63f5 | 3866 | |
3867 | #ifdef __cplusplus | |
3868 | } | |
3869 | #endif |