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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 | * * | |
becb63f5 | 9 | * Copyright (C) 1992-2011, 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 | ||
54 | #endif /* VxWorks */ | |
55 | ||
90bc406c | 56 | #if (defined (__mips) && defined (__sgi)) || defined (__APPLE__) |
57 | #include <unistd.h> | |
58 | #endif | |
59 | ||
60 | #if defined (__hpux__) | |
61 | #include <sys/param.h> | |
62 | #include <sys/pstat.h> | |
63 | #endif | |
64 | ||
cafd02b3 | 65 | #ifdef VMS |
66 | #define _POSIX_EXIT 1 | |
ba706ed3 | 67 | #define HOST_EXECUTABLE_SUFFIX ".exe" |
68 | #define HOST_OBJECT_SUFFIX ".obj" | |
cafd02b3 | 69 | #endif |
70 | ||
1fac938e | 71 | #ifdef IN_RTS |
72 | #include "tconfig.h" | |
73 | #include "tsystem.h" | |
9dfe12ae | 74 | |
1fac938e | 75 | #include <sys/stat.h> |
76 | #include <fcntl.h> | |
77 | #include <time.h> | |
cafd02b3 | 78 | #ifdef VMS |
79 | #include <unixio.h> | |
80 | #endif | |
1fac938e | 81 | |
f15731c4 | 82 | /* We don't have libiberty, so use malloc. */ |
1fac938e | 83 | #define xmalloc(S) malloc (S) |
f15731c4 | 84 | #define xrealloc(V,S) realloc (V,S) |
1fac938e | 85 | #else |
86 | #include "config.h" | |
87 | #include "system.h" | |
e2c62f37 | 88 | #include "version.h" |
1fac938e | 89 | #endif |
9dfe12ae | 90 | |
fa0b5df1 | 91 | #if defined (__MINGW32__) |
92 | ||
e2a33c18 | 93 | #if defined (RTX) |
94 | #include <windows.h> | |
95 | #include <Rtapi.h> | |
fa0b5df1 | 96 | #else |
9dfe12ae | 97 | #include "mingw32.h" |
f60cc57d | 98 | |
99 | /* Current code page to use, set in initialize.c. */ | |
100 | UINT CurrentCodePage; | |
fa0b5df1 | 101 | #endif |
102 | ||
9dfe12ae | 103 | #include <sys/utime.h> |
a4f295eb | 104 | |
105 | /* For isalpha-like tests in the compiler, we're expected to resort to | |
106 | safe-ctype.h/ISALPHA. This isn't available for the runtime library | |
107 | build, so we fallback on ctype.h/isalpha there. */ | |
108 | ||
109 | #ifdef IN_RTS | |
f0a28ccb | 110 | #include <ctype.h> |
a4f295eb | 111 | #define ISALPHA isalpha |
112 | #endif | |
2359306a | 113 | |
114 | #elif defined (__Lynx__) | |
115 | ||
116 | /* Lynx utime.h only defines the entities of interest to us if | |
117 | defined (VMOS_DEV), so ... */ | |
118 | #define VMOS_DEV | |
119 | #include <utime.h> | |
120 | #undef VMOS_DEV | |
121 | ||
122 | #elif !defined (VMS) | |
9dfe12ae | 123 | #include <utime.h> |
9dfe12ae | 124 | #endif |
125 | ||
5091bc2f | 126 | /* wait.h processing */ |
9dfe12ae | 127 | #ifdef __MINGW32__ |
128 | #if OLD_MINGW | |
1fac938e | 129 | #include <sys/wait.h> |
9dfe12ae | 130 | #endif |
8ffbc401 | 131 | #elif defined (__vxworks) && defined (__RTP__) |
132 | #include <wait.h> | |
2359306a | 133 | #elif defined (__Lynx__) |
134 | /* ??? We really need wait.h and it includes resource.h on Lynx. GCC | |
135 | has a resource.h header as well, included instead of the lynx | |
136 | version in our setup, causing lots of errors. We don't really need | |
137 | the lynx contents of this file, so just workaround the issue by | |
138 | preventing the inclusion of the GCC header from doing anything. */ | |
139 | #define GCC_RESOURCE_H | |
140 | #include <sys/wait.h> | |
5091bc2f | 141 | #elif defined (__nucleus__) |
142 | /* No wait() or waitpid() calls available */ | |
9dfe12ae | 143 | #else |
5091bc2f | 144 | /* Default case */ |
9dfe12ae | 145 | #include <sys/wait.h> |
146 | #endif | |
1fac938e | 147 | |
30592778 | 148 | #if defined (_WIN32) |
d8dd2062 | 149 | #elif defined (VMS) |
71a3e619 | 150 | |
f15731c4 | 151 | /* Header files and definitions for __gnat_set_file_time_name. */ |
71a3e619 | 152 | |
8620a406 | 153 | #define __NEW_STARLET 1 |
ba706ed3 | 154 | #include <vms/rms.h> |
155 | #include <vms/atrdef.h> | |
156 | #include <vms/fibdef.h> | |
157 | #include <vms/stsdef.h> | |
158 | #include <vms/iodef.h> | |
d8dd2062 | 159 | #include <errno.h> |
ba706ed3 | 160 | #include <vms/descrip.h> |
d8dd2062 | 161 | #include <string.h> |
162 | #include <unixlib.h> | |
163 | ||
f15731c4 | 164 | /* Use native 64-bit arithmetic. */ |
d8dd2062 | 165 | #define unix_time_to_vms(X,Y) \ |
166 | { unsigned long long reftime, tmptime = (X); \ | |
167 | $DESCRIPTOR (unixtime,"1-JAN-1970 0:00:00.00"); \ | |
168 | SYS$BINTIM (&unixtime, &reftime); \ | |
169 | Y = tmptime * 10000000 + reftime; } | |
170 | ||
171 | /* descrip.h doesn't have everything ... */ | |
8620a406 | 172 | typedef struct fibdef* __fibdef_ptr32 __attribute__ (( mode (SI) )); |
d8dd2062 | 173 | struct dsc$descriptor_fib |
174 | { | |
8620a406 | 175 | unsigned int fib$l_len; |
176 | __fibdef_ptr32 fib$l_addr; | |
d8dd2062 | 177 | }; |
178 | ||
71a3e619 | 179 | /* I/O Status Block. */ |
d8dd2062 | 180 | struct IOSB |
9dfe12ae | 181 | { |
d8dd2062 | 182 | unsigned short status, count; |
8620a406 | 183 | unsigned int devdep; |
d8dd2062 | 184 | }; |
185 | ||
186 | static char *tryfile; | |
187 | ||
71a3e619 | 188 | /* Variable length string. */ |
d8dd2062 | 189 | struct vstring |
190 | { | |
191 | short length; | |
f15731c4 | 192 | char string[NAM$C_MAXRSS+1]; |
d8dd2062 | 193 | }; |
194 | ||
9b1d6aeb | 195 | #define SYI$_ACTIVECPU_CNT 0x111e |
196 | extern int LIB$GETSYI (int *, unsigned int *); | |
197 | ||
d8dd2062 | 198 | #else |
199 | #include <utime.h> | |
200 | #endif | |
201 | ||
30592778 | 202 | #if defined (_WIN32) |
1fac938e | 203 | #include <process.h> |
204 | #endif | |
205 | ||
206 | #if defined (_WIN32) | |
4c4697b8 | 207 | |
1fac938e | 208 | #include <dir.h> |
209 | #include <windows.h> | |
7db1ef17 | 210 | #include <accctrl.h> |
211 | #include <aclapi.h> | |
fef772a5 | 212 | #undef DIR_SEPARATOR |
213 | #define DIR_SEPARATOR '\\' | |
1fac938e | 214 | #endif |
215 | ||
216 | #include "adaint.h" | |
217 | ||
218 | /* Define symbols O_BINARY and O_TEXT as harmless zeroes if they are not | |
219 | defined in the current system. On DOS-like systems these flags control | |
220 | whether the file is opened/created in text-translation mode (CR/LF in | |
221 | external file mapped to LF in internal file), but in Unix-like systems, | |
222 | no text translation is required, so these flags have no effect. */ | |
223 | ||
1fac938e | 224 | #ifndef O_BINARY |
225 | #define O_BINARY 0 | |
226 | #endif | |
227 | ||
228 | #ifndef O_TEXT | |
229 | #define O_TEXT 0 | |
230 | #endif | |
231 | ||
232 | #ifndef HOST_EXECUTABLE_SUFFIX | |
233 | #define HOST_EXECUTABLE_SUFFIX "" | |
234 | #endif | |
235 | ||
236 | #ifndef HOST_OBJECT_SUFFIX | |
237 | #define HOST_OBJECT_SUFFIX ".o" | |
238 | #endif | |
239 | ||
240 | #ifndef PATH_SEPARATOR | |
241 | #define PATH_SEPARATOR ':' | |
242 | #endif | |
243 | ||
244 | #ifndef DIR_SEPARATOR | |
245 | #define DIR_SEPARATOR '/' | |
246 | #endif | |
247 | ||
a3b0f4f2 | 248 | /* Check for cross-compilation */ |
8c7d3bad | 249 | #if defined (CROSS_COMPILE) || defined (CROSS_DIRECTORY_STRUCTURE) |
250 | #define IS_CROSS 1 | |
a3b0f4f2 | 251 | int __gnat_is_cross_compiler = 1; |
252 | #else | |
8c7d3bad | 253 | #undef IS_CROSS |
a3b0f4f2 | 254 | int __gnat_is_cross_compiler = 0; |
255 | #endif | |
256 | ||
1fac938e | 257 | char __gnat_dir_separator = DIR_SEPARATOR; |
258 | ||
259 | char __gnat_path_separator = PATH_SEPARATOR; | |
260 | ||
261 | /* The GNAT_LIBRARY_TEMPLATE contains a list of expressions that define | |
262 | the base filenames that libraries specified with -lsomelib options | |
263 | may have. This is used by GNATMAKE to check whether an executable | |
264 | is up-to-date or not. The syntax is | |
265 | ||
266 | library_template ::= { pattern ; } pattern NUL | |
267 | pattern ::= [ prefix ] * [ postfix ] | |
268 | ||
269 | These should only specify names of static libraries as it makes | |
270 | no sense to determine at link time if dynamic-link libraries are | |
271 | up to date or not. Any libraries that are not found are supposed | |
272 | to be up-to-date: | |
273 | ||
274 | * if they are needed but not present, the link | |
275 | will fail, | |
276 | ||
277 | * otherwise they are libraries in the system paths and so | |
278 | they are considered part of the system and not checked | |
279 | for that reason. | |
280 | ||
281 | ??? This should be part of a GNAT host-specific compiler | |
282 | file instead of being included in all user applications | |
f15731c4 | 283 | as well. This is only a temporary work-around for 3.11b. */ |
1fac938e | 284 | |
285 | #ifndef GNAT_LIBRARY_TEMPLATE | |
30592778 | 286 | #if defined (VMS) |
1fac938e | 287 | #define GNAT_LIBRARY_TEMPLATE "*.olb" |
288 | #else | |
289 | #define GNAT_LIBRARY_TEMPLATE "lib*.a" | |
290 | #endif | |
291 | #endif | |
292 | ||
293 | const char *__gnat_library_template = GNAT_LIBRARY_TEMPLATE; | |
294 | ||
f15731c4 | 295 | /* This variable is used in hostparm.ads to say whether the host is a VMS |
296 | system. */ | |
297 | #ifdef VMS | |
becb63f5 | 298 | int __gnat_vmsp = 1; |
f15731c4 | 299 | #else |
becb63f5 | 300 | int __gnat_vmsp = 0; |
f15731c4 | 301 | #endif |
302 | ||
30592778 | 303 | #if defined (VMS) |
9dfe12ae | 304 | #define GNAT_MAX_PATH_LEN 256 /* PATH_MAX */ |
e633acdc | 305 | |
5091bc2f | 306 | #elif defined (__vxworks) || defined (__OPENNT) || defined(__nucleus__) |
9dfe12ae | 307 | #define GNAT_MAX_PATH_LEN PATH_MAX |
308 | ||
309 | #else | |
310 | ||
311 | #if defined (__MINGW32__) | |
312 | #include "mingw32.h" | |
313 | ||
314 | #if OLD_MINGW | |
315 | #include <sys/param.h> | |
316 | #endif | |
e633acdc | 317 | |
318 | #else | |
319 | #include <sys/param.h> | |
9dfe12ae | 320 | #endif |
321 | ||
8ae72cac | 322 | #ifdef MAXPATHLEN |
9dfe12ae | 323 | #define GNAT_MAX_PATH_LEN MAXPATHLEN |
8ae72cac | 324 | #else |
325 | #define GNAT_MAX_PATH_LEN 256 | |
326 | #endif | |
e633acdc | 327 | |
328 | #endif | |
329 | ||
5f93bcbf | 330 | /* Used for Ada bindings */ |
becb63f5 | 331 | int __gnat_size_of_file_attributes = sizeof (struct file_attributes); |
5f93bcbf | 332 | |
333 | /* Reset the file attributes as if no system call had been performed */ | |
334 | void __gnat_stat_to_attr (int fd, char* name, struct file_attributes* attr); | |
335 | ||
9dfe12ae | 336 | /* The __gnat_max_path_len variable is used to export the maximum |
337 | length of a path name to Ada code. max_path_len is also provided | |
338 | for compatibility with older GNAT versions, please do not use | |
339 | it. */ | |
340 | ||
341 | int __gnat_max_path_len = GNAT_MAX_PATH_LEN; | |
342 | int max_path_len = GNAT_MAX_PATH_LEN; | |
343 | ||
2726b813 | 344 | /* Control whether we can use ACL on Windows. */ |
345 | ||
346 | int __gnat_use_acl = 1; | |
347 | ||
1fac938e | 348 | /* The following macro HAVE_READDIR_R should be defined if the |
f15731c4 | 349 | system provides the routine readdir_r. */ |
1fac938e | 350 | #undef HAVE_READDIR_R |
351 | \f | |
6d9c3443 | 352 | #if defined(VMS) && defined (__LONG_POINTERS) |
353 | ||
354 | /* Return a 32 bit pointer to an array of 32 bit pointers | |
355 | given a 64 bit pointer to an array of 64 bit pointers */ | |
356 | ||
357 | typedef __char_ptr32 *__char_ptr_char_ptr32 __attribute__ ((mode (SI))); | |
358 | ||
359 | static __char_ptr_char_ptr32 | |
360 | to_ptr32 (char **ptr64) | |
361 | { | |
362 | int argc; | |
363 | __char_ptr_char_ptr32 short_argv; | |
364 | ||
365 | for (argc=0; ptr64[argc]; argc++); | |
366 | ||
367 | /* Reallocate argv with 32 bit pointers. */ | |
368 | short_argv = (__char_ptr_char_ptr32) decc$malloc | |
369 | (sizeof (__char_ptr32) * (argc + 1)); | |
370 | ||
371 | for (argc=0; ptr64[argc]; argc++) | |
372 | short_argv[argc] = (__char_ptr32) decc$strdup (ptr64[argc]); | |
373 | ||
374 | short_argv[argc] = (__char_ptr32) 0; | |
375 | return short_argv; | |
376 | ||
377 | } | |
378 | #define MAYBE_TO_PTR32(argv) to_ptr32 (argv) | |
379 | #else | |
380 | #define MAYBE_TO_PTR32(argv) argv | |
381 | #endif | |
382 | ||
44fef051 | 383 | static const char ATTR_UNSET = 127; |
bce992c9 | 384 | |
5f93bcbf | 385 | void |
d2697a05 | 386 | __gnat_reset_attributes |
5f93bcbf | 387 | (struct file_attributes* attr) |
388 | { | |
bce992c9 | 389 | attr->exists = ATTR_UNSET; |
5f93bcbf | 390 | |
bce992c9 | 391 | attr->writable = ATTR_UNSET; |
392 | attr->readable = ATTR_UNSET; | |
393 | attr->executable = ATTR_UNSET; | |
5f93bcbf | 394 | |
bce992c9 | 395 | attr->regular = ATTR_UNSET; |
396 | attr->symbolic_link = ATTR_UNSET; | |
397 | attr->directory = ATTR_UNSET; | |
5f93bcbf | 398 | |
399 | attr->timestamp = (OS_Time)-2; | |
400 | attr->file_length = -1; | |
401 | } | |
402 | ||
1e622f0e | 403 | OS_Time |
404 | __gnat_current_time | |
405 | (void) | |
406 | { | |
407 | time_t res = time (NULL); | |
408 | return (OS_Time) res; | |
409 | } | |
410 | ||
a17c817e | 411 | /* Return the current local time as a string in the ISO 8601 format of |
412 | "YYYY-MM-DD HH:MM:SS.SS". The returned string is 22 + 1 (NULL) characters | |
413 | long. */ | |
414 | ||
415 | void | |
416 | __gnat_current_time_string | |
417 | (char *result) | |
418 | { | |
419 | const char *format = "%Y-%m-%d %H:%M:%S"; | |
420 | /* Format string necessary to describe the ISO 8601 format */ | |
421 | ||
422 | const time_t t_val = time (NULL); | |
423 | ||
424 | strftime (result, 22, format, localtime (&t_val)); | |
425 | /* Convert the local time into a string following the ISO format, copying | |
426 | at most 22 characters into the result string. */ | |
427 | ||
428 | result [19] = '.'; | |
429 | result [20] = '0'; | |
430 | result [21] = '0'; | |
431 | /* The sub-seconds are manually set to zero since type time_t lacks the | |
432 | precision necessary for nanoseconds. */ | |
433 | } | |
434 | ||
1fac938e | 435 | void |
9dfe12ae | 436 | __gnat_to_gm_time |
437 | (OS_Time *p_time, | |
438 | int *p_year, | |
439 | int *p_month, | |
440 | int *p_day, | |
441 | int *p_hours, | |
442 | int *p_mins, | |
443 | int *p_secs) | |
1fac938e | 444 | { |
445 | struct tm *res; | |
9dfe12ae | 446 | time_t time = (time_t) *p_time; |
1fac938e | 447 | |
448 | #ifdef _WIN32 | |
449 | /* On Windows systems, the time is sometimes rounded up to the nearest | |
450 | even second, so if the number of seconds is odd, increment it. */ | |
451 | if (time & 1) | |
452 | time++; | |
453 | #endif | |
454 | ||
9dfe12ae | 455 | #ifdef VMS |
456 | res = localtime (&time); | |
457 | #else | |
1fac938e | 458 | res = gmtime (&time); |
9dfe12ae | 459 | #endif |
1fac938e | 460 | |
461 | if (res) | |
462 | { | |
463 | *p_year = res->tm_year; | |
464 | *p_month = res->tm_mon; | |
465 | *p_day = res->tm_mday; | |
466 | *p_hours = res->tm_hour; | |
467 | *p_mins = res->tm_min; | |
468 | *p_secs = res->tm_sec; | |
f15731c4 | 469 | } |
1fac938e | 470 | else |
471 | *p_year = *p_month = *p_day = *p_hours = *p_mins = *p_secs = 0; | |
472 | } | |
473 | ||
474 | /* Place the contents of the symbolic link named PATH in the buffer BUF, | |
475 | which has size BUFSIZ. If PATH is a symbolic link, then return the number | |
5091bc2f | 476 | of characters of its content in BUF. Otherwise, return -1. |
477 | For systems not supporting symbolic links, always return -1. */ | |
1fac938e | 478 | |
9dfe12ae | 479 | int |
f0a28ccb | 480 | __gnat_readlink (char *path ATTRIBUTE_UNUSED, |
481 | char *buf ATTRIBUTE_UNUSED, | |
482 | size_t bufsiz ATTRIBUTE_UNUSED) | |
1fac938e | 483 | { |
30592778 | 484 | #if defined (_WIN32) || defined (VMS) \ |
485 | || defined(__vxworks) || defined (__nucleus__) | |
1fac938e | 486 | return -1; |
487 | #else | |
488 | return readlink (path, buf, bufsiz); | |
489 | #endif | |
490 | } | |
491 | ||
5091bc2f | 492 | /* Creates a symbolic link named NEWPATH which contains the string OLDPATH. |
493 | If NEWPATH exists it will NOT be overwritten. | |
494 | For systems not supporting symbolic links, always return -1. */ | |
1fac938e | 495 | |
496 | int | |
f0a28ccb | 497 | __gnat_symlink (char *oldpath ATTRIBUTE_UNUSED, |
498 | char *newpath ATTRIBUTE_UNUSED) | |
1fac938e | 499 | { |
30592778 | 500 | #if defined (_WIN32) || defined (VMS) \ |
501 | || defined(__vxworks) || defined (__nucleus__) | |
1fac938e | 502 | return -1; |
503 | #else | |
504 | return symlink (oldpath, newpath); | |
505 | #endif | |
506 | } | |
507 | ||
f15731c4 | 508 | /* Try to lock a file, return 1 if success. */ |
1fac938e | 509 | |
30592778 | 510 | #if defined (__vxworks) || defined (__nucleus__) \ |
511 | || defined (_WIN32) || defined (VMS) | |
1fac938e | 512 | |
513 | /* Version that does not use link. */ | |
514 | ||
515 | int | |
9dfe12ae | 516 | __gnat_try_lock (char *dir, char *file) |
1fac938e | 517 | { |
1fac938e | 518 | int fd; |
3b18b370 | 519 | #ifdef __MINGW32__ |
520 | TCHAR wfull_path[GNAT_MAX_PATH_LEN]; | |
521 | TCHAR wfile[GNAT_MAX_PATH_LEN]; | |
522 | TCHAR wdir[GNAT_MAX_PATH_LEN]; | |
523 | ||
f60cc57d | 524 | S2WSC (wdir, dir, GNAT_MAX_PATH_LEN); |
525 | S2WSC (wfile, file, GNAT_MAX_PATH_LEN); | |
3b18b370 | 526 | |
527 | _stprintf (wfull_path, _T("%s%c%s"), wdir, _T(DIR_SEPARATOR), wfile); | |
528 | fd = _topen (wfull_path, O_CREAT | O_EXCL, 0600); | |
529 | #else | |
530 | char full_path[256]; | |
1fac938e | 531 | |
532 | sprintf (full_path, "%s%c%s", dir, DIR_SEPARATOR, file); | |
533 | fd = open (full_path, O_CREAT | O_EXCL, 0600); | |
3b18b370 | 534 | #endif |
535 | ||
f15731c4 | 536 | if (fd < 0) |
1fac938e | 537 | return 0; |
f15731c4 | 538 | |
1fac938e | 539 | close (fd); |
540 | return 1; | |
541 | } | |
542 | ||
1fac938e | 543 | #else |
f15731c4 | 544 | |
1fac938e | 545 | /* Version using link(), more secure over NFS. */ |
9dfe12ae | 546 | /* See TN 6913-016 for discussion ??? */ |
1fac938e | 547 | |
548 | int | |
9dfe12ae | 549 | __gnat_try_lock (char *dir, char *file) |
1fac938e | 550 | { |
f15731c4 | 551 | char full_path[256]; |
552 | char temp_file[256]; | |
8cb516d7 | 553 | GNAT_STRUCT_STAT stat_result; |
1fac938e | 554 | int fd; |
555 | ||
556 | sprintf (full_path, "%s%c%s", dir, DIR_SEPARATOR, file); | |
4a3f445c | 557 | sprintf (temp_file, "%s%cTMP-%ld-%ld", |
558 | dir, DIR_SEPARATOR, (long)getpid(), (long)getppid ()); | |
1fac938e | 559 | |
f15731c4 | 560 | /* Create the temporary file and write the process number. */ |
1fac938e | 561 | fd = open (temp_file, O_CREAT | O_WRONLY, 0600); |
562 | if (fd < 0) | |
563 | return 0; | |
564 | ||
565 | close (fd); | |
566 | ||
f15731c4 | 567 | /* Link it with the new file. */ |
1fac938e | 568 | link (temp_file, full_path); |
569 | ||
570 | /* Count the references on the old one. If we have a count of two, then | |
f15731c4 | 571 | the link did succeed. Remove the temporary file before returning. */ |
1fac938e | 572 | __gnat_stat (temp_file, &stat_result); |
573 | unlink (temp_file); | |
574 | return stat_result.st_nlink == 2; | |
575 | } | |
576 | #endif | |
577 | ||
578 | /* Return the maximum file name length. */ | |
579 | ||
580 | int | |
6f2c2693 | 581 | __gnat_get_maximum_file_name_length (void) |
1fac938e | 582 | { |
30592778 | 583 | #if defined (VMS) |
1fac938e | 584 | if (getenv ("GNAT$EXTENDED_FILE_SPECIFICATIONS")) |
585 | return -1; | |
586 | else | |
587 | return 39; | |
588 | #else | |
589 | return -1; | |
590 | #endif | |
591 | } | |
592 | ||
1fac938e | 593 | /* Return nonzero if file names are case sensitive. */ |
594 | ||
595 | int | |
6f2c2693 | 596 | __gnat_get_file_names_case_sensitive (void) |
1fac938e | 597 | { |
cd2495b4 | 598 | const char *sensitive = getenv ("GNAT_FILE_NAME_CASE_SENSITIVE"); |
599 | ||
600 | if (sensitive != NULL | |
601 | && (sensitive[0] == '0' || sensitive[0] == '1') | |
602 | && sensitive[1] == '\0') | |
603 | return sensitive[0] - '0'; | |
604 | else | |
6cba2d6a | 605 | #if defined (VMS) || defined (WINNT) || defined (__APPLE__) |
cd2495b4 | 606 | return 0; |
1fac938e | 607 | #else |
cd2495b4 | 608 | return 1; |
1fac938e | 609 | #endif |
610 | } | |
611 | ||
a027cdc7 | 612 | /* Return nonzero if environment variables are case sensitive. */ |
613 | ||
614 | int | |
615 | __gnat_get_env_vars_case_sensitive (void) | |
616 | { | |
617 | #if defined (VMS) || defined (WINNT) | |
618 | return 0; | |
619 | #else | |
620 | return 1; | |
621 | #endif | |
622 | } | |
623 | ||
1fac938e | 624 | char |
6f2c2693 | 625 | __gnat_get_default_identifier_character_set (void) |
1fac938e | 626 | { |
1fac938e | 627 | return '1'; |
1fac938e | 628 | } |
629 | ||
f15731c4 | 630 | /* Return the current working directory. */ |
1fac938e | 631 | |
632 | void | |
9dfe12ae | 633 | __gnat_get_current_dir (char *dir, int *length) |
1fac938e | 634 | { |
3b18b370 | 635 | #if defined (__MINGW32__) |
636 | TCHAR wdir[GNAT_MAX_PATH_LEN]; | |
637 | ||
638 | _tgetcwd (wdir, *length); | |
639 | ||
f60cc57d | 640 | WS2SC (dir, wdir, GNAT_MAX_PATH_LEN); |
3b18b370 | 641 | |
642 | #elif defined (VMS) | |
1fac938e | 643 | /* Force Unix style, which is what GNAT uses internally. */ |
644 | getcwd (dir, *length, 0); | |
645 | #else | |
646 | getcwd (dir, *length); | |
647 | #endif | |
648 | ||
649 | *length = strlen (dir); | |
650 | ||
9dfe12ae | 651 | if (dir [*length - 1] != DIR_SEPARATOR) |
652 | { | |
653 | dir [*length] = DIR_SEPARATOR; | |
654 | ++(*length); | |
655 | } | |
f15731c4 | 656 | dir[*length] = '\0'; |
1fac938e | 657 | } |
658 | ||
f15731c4 | 659 | /* Return the suffix for object files. */ |
1fac938e | 660 | |
661 | void | |
9dfe12ae | 662 | __gnat_get_object_suffix_ptr (int *len, const char **value) |
1fac938e | 663 | { |
664 | *value = HOST_OBJECT_SUFFIX; | |
665 | ||
666 | if (*value == 0) | |
667 | *len = 0; | |
668 | else | |
669 | *len = strlen (*value); | |
670 | ||
671 | return; | |
672 | } | |
673 | ||
f15731c4 | 674 | /* Return the suffix for executable files. */ |
1fac938e | 675 | |
676 | void | |
9dfe12ae | 677 | __gnat_get_executable_suffix_ptr (int *len, const char **value) |
1fac938e | 678 | { |
679 | *value = HOST_EXECUTABLE_SUFFIX; | |
680 | if (!*value) | |
681 | *len = 0; | |
682 | else | |
683 | *len = strlen (*value); | |
684 | ||
685 | return; | |
686 | } | |
687 | ||
688 | /* Return the suffix for debuggable files. Usually this is the same as the | |
f15731c4 | 689 | executable extension. */ |
1fac938e | 690 | |
691 | void | |
9dfe12ae | 692 | __gnat_get_debuggable_suffix_ptr (int *len, const char **value) |
1fac938e | 693 | { |
1fac938e | 694 | *value = HOST_EXECUTABLE_SUFFIX; |
1fac938e | 695 | |
696 | if (*value == 0) | |
697 | *len = 0; | |
698 | else | |
699 | *len = strlen (*value); | |
700 | ||
701 | return; | |
702 | } | |
703 | ||
1aa4b9ce | 704 | /* Returns the OS filename and corresponding encoding. */ |
705 | ||
706 | void | |
12e8797f | 707 | __gnat_os_filename (char *filename ATTRIBUTE_UNUSED, |
708 | char *w_filename ATTRIBUTE_UNUSED, | |
1aa4b9ce | 709 | char *os_name, int *o_length, |
c62e34a4 | 710 | char *encoding ATTRIBUTE_UNUSED, int *e_length) |
1aa4b9ce | 711 | { |
8c7d3bad | 712 | #if defined (_WIN32) && ! defined (__vxworks) && ! defined (IS_CROSS) |
7bb7733e | 713 | WS2SC (os_name, (TCHAR *)w_filename, (DWORD)*o_length); |
1aa4b9ce | 714 | *o_length = strlen (os_name); |
715 | strcpy (encoding, "encoding=utf8"); | |
716 | *e_length = strlen (encoding); | |
717 | #else | |
718 | strcpy (os_name, filename); | |
719 | *o_length = strlen (filename); | |
720 | *e_length = 0; | |
721 | #endif | |
722 | } | |
723 | ||
13320214 | 724 | /* Delete a file. */ |
725 | ||
726 | int | |
727 | __gnat_unlink (char *path) | |
728 | { | |
8c7d3bad | 729 | #if defined (__MINGW32__) && ! defined (__vxworks) && ! defined (IS_CROSS) |
13320214 | 730 | { |
731 | TCHAR wpath[GNAT_MAX_PATH_LEN]; | |
732 | ||
f60cc57d | 733 | S2WSC (wpath, path, GNAT_MAX_PATH_LEN); |
13320214 | 734 | return _tunlink (wpath); |
735 | } | |
736 | #else | |
737 | return unlink (path); | |
738 | #endif | |
739 | } | |
740 | ||
741 | /* Rename a file. */ | |
742 | ||
743 | int | |
744 | __gnat_rename (char *from, char *to) | |
745 | { | |
8c7d3bad | 746 | #if defined (__MINGW32__) && ! defined (__vxworks) && ! defined (IS_CROSS) |
13320214 | 747 | { |
748 | TCHAR wfrom[GNAT_MAX_PATH_LEN], wto[GNAT_MAX_PATH_LEN]; | |
749 | ||
f60cc57d | 750 | S2WSC (wfrom, from, GNAT_MAX_PATH_LEN); |
751 | S2WSC (wto, to, GNAT_MAX_PATH_LEN); | |
13320214 | 752 | return _trename (wfrom, wto); |
753 | } | |
754 | #else | |
755 | return rename (from, to); | |
756 | #endif | |
757 | } | |
758 | ||
a8d94a8f | 759 | /* Changing directory. */ |
760 | ||
761 | int | |
762 | __gnat_chdir (char *path) | |
763 | { | |
8c7d3bad | 764 | #if defined (__MINGW32__) && ! defined (__vxworks) && ! defined (IS_CROSS) |
a8d94a8f | 765 | { |
766 | TCHAR wpath[GNAT_MAX_PATH_LEN]; | |
767 | ||
f60cc57d | 768 | S2WSC (wpath, path, GNAT_MAX_PATH_LEN); |
a8d94a8f | 769 | return _tchdir (wpath); |
770 | } | |
771 | #else | |
772 | return chdir (path); | |
773 | #endif | |
774 | } | |
775 | ||
437991c2 | 776 | /* Removing a directory. */ |
777 | ||
778 | int | |
779 | __gnat_rmdir (char *path) | |
780 | { | |
8c7d3bad | 781 | #if defined (__MINGW32__) && ! defined (__vxworks) && ! defined (IS_CROSS) |
437991c2 | 782 | { |
783 | TCHAR wpath[GNAT_MAX_PATH_LEN]; | |
784 | ||
f60cc57d | 785 | S2WSC (wpath, path, GNAT_MAX_PATH_LEN); |
437991c2 | 786 | return _trmdir (wpath); |
787 | } | |
2db7aef0 | 788 | #elif defined (VTHREADS) |
789 | /* rmdir not available */ | |
790 | return -1; | |
437991c2 | 791 | #else |
792 | return rmdir (path); | |
793 | #endif | |
794 | } | |
795 | ||
e2c62f37 | 796 | FILE * |
c62e34a4 | 797 | __gnat_fopen (char *path, char *mode, int encoding ATTRIBUTE_UNUSED) |
e2c62f37 | 798 | { |
8c7d3bad | 799 | #if defined (_WIN32) && ! defined (__vxworks) && ! defined (IS_CROSS) |
e2c62f37 | 800 | TCHAR wpath[GNAT_MAX_PATH_LEN]; |
801 | TCHAR wmode[10]; | |
802 | ||
e2c62f37 | 803 | S2WS (wmode, mode, 10); |
1e622f0e | 804 | |
f60cc57d | 805 | if (encoding == Encoding_Unspecified) |
806 | S2WSC (wpath, path, GNAT_MAX_PATH_LEN); | |
807 | else if (encoding == Encoding_UTF8) | |
1e622f0e | 808 | S2WSU (wpath, path, GNAT_MAX_PATH_LEN); |
809 | else | |
810 | S2WS (wpath, path, GNAT_MAX_PATH_LEN); | |
811 | ||
e2c62f37 | 812 | return _tfopen (wpath, wmode); |
1e622f0e | 813 | #elif defined (VMS) |
814 | return decc$fopen (path, mode); | |
e2c62f37 | 815 | #else |
8cb516d7 | 816 | return GNAT_FOPEN (path, mode); |
7465a8fe | 817 | #endif |
e2c62f37 | 818 | } |
819 | ||
e2c62f37 | 820 | FILE * |
d9c927cc | 821 | __gnat_freopen (char *path, |
822 | char *mode, | |
823 | FILE *stream, | |
824 | int encoding ATTRIBUTE_UNUSED) | |
e2c62f37 | 825 | { |
8c7d3bad | 826 | #if defined (_WIN32) && ! defined (__vxworks) && ! defined (IS_CROSS) |
e2c62f37 | 827 | TCHAR wpath[GNAT_MAX_PATH_LEN]; |
828 | TCHAR wmode[10]; | |
829 | ||
e2c62f37 | 830 | S2WS (wmode, mode, 10); |
1e622f0e | 831 | |
f60cc57d | 832 | if (encoding == Encoding_Unspecified) |
833 | S2WSC (wpath, path, GNAT_MAX_PATH_LEN); | |
834 | else if (encoding == Encoding_UTF8) | |
1e622f0e | 835 | S2WSU (wpath, path, GNAT_MAX_PATH_LEN); |
836 | else | |
837 | S2WS (wpath, path, GNAT_MAX_PATH_LEN); | |
838 | ||
e2c62f37 | 839 | return _tfreopen (wpath, wmode, stream); |
1e622f0e | 840 | #elif defined (VMS) |
841 | return decc$freopen (path, mode, stream); | |
e2c62f37 | 842 | #else |
843 | return freopen (path, mode, stream); | |
844 | #endif | |
845 | } | |
846 | ||
1fac938e | 847 | int |
9dfe12ae | 848 | __gnat_open_read (char *path, int fmode) |
1fac938e | 849 | { |
850 | int fd; | |
851 | int o_fmode = O_BINARY; | |
852 | ||
853 | if (fmode) | |
854 | o_fmode = O_TEXT; | |
855 | ||
f15731c4 | 856 | #if defined (VMS) |
857 | /* Optional arguments mbc,deq,fop increase read performance. */ | |
1fac938e | 858 | fd = open (path, O_RDONLY | o_fmode, 0444, |
859 | "mbc=16", "deq=64", "fop=tef"); | |
f15731c4 | 860 | #elif defined (__vxworks) |
1fac938e | 861 | fd = open (path, O_RDONLY | o_fmode, 0444); |
3b18b370 | 862 | #elif defined (__MINGW32__) |
863 | { | |
864 | TCHAR wpath[GNAT_MAX_PATH_LEN]; | |
865 | ||
f60cc57d | 866 | S2WSC (wpath, path, GNAT_MAX_PATH_LEN); |
3b18b370 | 867 | fd = _topen (wpath, O_RDONLY | o_fmode, 0444); |
868 | } | |
1fac938e | 869 | #else |
870 | fd = open (path, O_RDONLY | o_fmode); | |
871 | #endif | |
f15731c4 | 872 | |
1fac938e | 873 | return fd < 0 ? -1 : fd; |
874 | } | |
875 | ||
30592778 | 876 | #if defined (__MINGW32__) |
1fac938e | 877 | #define PERM (S_IREAD | S_IWRITE) |
9dfe12ae | 878 | #elif defined (VMS) |
879 | /* Excerpt from DECC C RTL Reference Manual: | |
880 | To create files with OpenVMS RMS default protections using the UNIX | |
881 | system-call functions umask, mkdir, creat, and open, call mkdir, creat, | |
882 | and open with a file-protection mode argument of 0777 in a program | |
883 | that never specifically calls umask. These default protections include | |
884 | correctly establishing protections based on ACLs, previous versions of | |
885 | files, and so on. */ | |
886 | #define PERM 0777 | |
1fac938e | 887 | #else |
888 | #define PERM (S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH | S_IWOTH) | |
889 | #endif | |
890 | ||
891 | int | |
9dfe12ae | 892 | __gnat_open_rw (char *path, int fmode) |
1fac938e | 893 | { |
894 | int fd; | |
895 | int o_fmode = O_BINARY; | |
896 | ||
897 | if (fmode) | |
898 | o_fmode = O_TEXT; | |
899 | ||
f15731c4 | 900 | #if defined (VMS) |
1fac938e | 901 | fd = open (path, O_RDWR | o_fmode, PERM, |
902 | "mbc=16", "deq=64", "fop=tef"); | |
3b18b370 | 903 | #elif defined (__MINGW32__) |
904 | { | |
905 | TCHAR wpath[GNAT_MAX_PATH_LEN]; | |
906 | ||
f60cc57d | 907 | S2WSC (wpath, path, GNAT_MAX_PATH_LEN); |
3b18b370 | 908 | fd = _topen (wpath, O_RDWR | o_fmode, PERM); |
909 | } | |
1fac938e | 910 | #else |
911 | fd = open (path, O_RDWR | o_fmode, PERM); | |
912 | #endif | |
913 | ||
914 | return fd < 0 ? -1 : fd; | |
915 | } | |
916 | ||
917 | int | |
9dfe12ae | 918 | __gnat_open_create (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_WRONLY | O_CREAT | O_TRUNC | 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_WRONLY | O_CREAT | O_TRUNC | o_fmode, PERM); |
935 | } | |
1fac938e | 936 | #else |
937 | fd = open (path, O_WRONLY | O_CREAT | O_TRUNC | o_fmode, PERM); | |
938 | #endif | |
939 | ||
940 | return fd < 0 ? -1 : fd; | |
28ed91d4 | 941 | } |
942 | ||
943 | int | |
944 | __gnat_create_output_file (char *path) | |
945 | { | |
946 | int fd; | |
947 | #if defined (VMS) | |
948 | fd = open (path, O_WRONLY | O_CREAT | O_TRUNC | O_TEXT, PERM, | |
949 | "rfm=stmlf", "ctx=rec", "rat=none", "rop=nlk", | |
950 | "shr=del,get,put,upd"); | |
3b18b370 | 951 | #elif defined (__MINGW32__) |
952 | { | |
953 | TCHAR wpath[GNAT_MAX_PATH_LEN]; | |
954 | ||
f60cc57d | 955 | S2WSC (wpath, path, GNAT_MAX_PATH_LEN); |
3b18b370 | 956 | fd = _topen (wpath, O_WRONLY | O_CREAT | O_TRUNC | O_TEXT, PERM); |
957 | } | |
28ed91d4 | 958 | #else |
959 | fd = open (path, O_WRONLY | O_CREAT | O_TRUNC | O_TEXT, PERM); | |
960 | #endif | |
961 | ||
962 | return fd < 0 ? -1 : fd; | |
1fac938e | 963 | } |
964 | ||
df40eeb0 | 965 | int |
966 | __gnat_create_output_file_new (char *path) | |
967 | { | |
968 | int fd; | |
969 | #if defined (VMS) | |
970 | fd = open (path, O_WRONLY | O_CREAT | O_TRUNC | O_TEXT | O_EXCL, PERM, | |
971 | "rfm=stmlf", "ctx=rec", "rat=none", "rop=nlk", | |
972 | "shr=del,get,put,upd"); | |
973 | #elif defined (__MINGW32__) | |
974 | { | |
975 | TCHAR wpath[GNAT_MAX_PATH_LEN]; | |
976 | ||
977 | S2WSC (wpath, path, GNAT_MAX_PATH_LEN); | |
978 | fd = _topen (wpath, O_WRONLY | O_CREAT | O_TRUNC | O_TEXT | O_EXCL, PERM); | |
979 | } | |
980 | #else | |
981 | fd = open (path, O_WRONLY | O_CREAT | O_TRUNC | O_TEXT | O_EXCL, PERM); | |
982 | #endif | |
983 | ||
984 | return fd < 0 ? -1 : fd; | |
985 | } | |
986 | ||
1fac938e | 987 | int |
9dfe12ae | 988 | __gnat_open_append (char *path, int fmode) |
1fac938e | 989 | { |
990 | int fd; | |
991 | int o_fmode = O_BINARY; | |
992 | ||
993 | if (fmode) | |
994 | o_fmode = O_TEXT; | |
995 | ||
f15731c4 | 996 | #if defined (VMS) |
1fac938e | 997 | fd = open (path, O_WRONLY | O_CREAT | O_APPEND | o_fmode, PERM, |
998 | "mbc=16", "deq=64", "fop=tef"); | |
3b18b370 | 999 | #elif defined (__MINGW32__) |
1000 | { | |
1001 | TCHAR wpath[GNAT_MAX_PATH_LEN]; | |
1002 | ||
f60cc57d | 1003 | S2WSC (wpath, path, GNAT_MAX_PATH_LEN); |
3b18b370 | 1004 | fd = _topen (wpath, O_WRONLY | O_CREAT | O_APPEND | o_fmode, PERM); |
1005 | } | |
1fac938e | 1006 | #else |
1007 | fd = open (path, O_WRONLY | O_CREAT | O_APPEND | o_fmode, PERM); | |
1008 | #endif | |
1009 | ||
1010 | return fd < 0 ? -1 : fd; | |
1011 | } | |
1012 | ||
f15731c4 | 1013 | /* Open a new file. Return error (-1) if the file already exists. */ |
1fac938e | 1014 | |
1015 | int | |
9dfe12ae | 1016 | __gnat_open_new (char *path, int fmode) |
1fac938e | 1017 | { |
1018 | int fd; | |
1019 | int o_fmode = O_BINARY; | |
1020 | ||
1021 | if (fmode) | |
1022 | o_fmode = O_TEXT; | |
1023 | ||
f15731c4 | 1024 | #if defined (VMS) |
1fac938e | 1025 | fd = open (path, O_WRONLY | O_CREAT | O_EXCL | o_fmode, PERM, |
1026 | "mbc=16", "deq=64", "fop=tef"); | |
3b18b370 | 1027 | #elif defined (__MINGW32__) |
1028 | { | |
1029 | TCHAR wpath[GNAT_MAX_PATH_LEN]; | |
1030 | ||
f60cc57d | 1031 | S2WSC (wpath, path, GNAT_MAX_PATH_LEN); |
3b18b370 | 1032 | fd = _topen (wpath, O_WRONLY | O_CREAT | O_EXCL | o_fmode, PERM); |
1033 | } | |
1fac938e | 1034 | #else |
1035 | fd = open (path, O_WRONLY | O_CREAT | O_EXCL | o_fmode, PERM); | |
1036 | #endif | |
1037 | ||
1038 | return fd < 0 ? -1 : fd; | |
1039 | } | |
1040 | ||
1041 | /* Open a new temp file. Return error (-1) if the file already exists. | |
f15731c4 | 1042 | Special options for VMS allow the file to be shared between parent and child |
1043 | processes, however they really slow down output. Used in gnatchop. */ | |
1fac938e | 1044 | |
1045 | int | |
9dfe12ae | 1046 | __gnat_open_new_temp (char *path, int fmode) |
1fac938e | 1047 | { |
1048 | int fd; | |
1049 | int o_fmode = O_BINARY; | |
1050 | ||
1051 | strcpy (path, "GNAT-XXXXXX"); | |
1052 | ||
e0324ff5 | 1053 | #if (defined (__FreeBSD__) || defined (__NetBSD__) || defined (__OpenBSD__) \ |
9d093602 | 1054 | || defined (linux) || defined(__GLIBC__)) && !defined (__vxworks) |
1fac938e | 1055 | return mkstemp (path); |
159eb63c | 1056 | #elif defined (__Lynx__) |
1057 | mktemp (path); | |
5091bc2f | 1058 | #elif defined (__nucleus__) |
1059 | return -1; | |
1fac938e | 1060 | #else |
1061 | if (mktemp (path) == NULL) | |
1062 | return -1; | |
1063 | #endif | |
1064 | ||
1065 | if (fmode) | |
1066 | o_fmode = O_TEXT; | |
1067 | ||
f15731c4 | 1068 | #if defined (VMS) |
1fac938e | 1069 | fd = open (path, O_WRONLY | O_CREAT | O_EXCL | o_fmode, PERM, |
1070 | "rfm=stmlf", "ctx=rec", "rat=none", "shr=del,get,put,upd", | |
1071 | "mbc=16", "deq=64", "fop=tef"); | |
1072 | #else | |
1073 | fd = open (path, O_WRONLY | O_CREAT | O_EXCL | o_fmode, PERM); | |
1074 | #endif | |
1075 | ||
1076 | return fd < 0 ? -1 : fd; | |
1077 | } | |
1078 | ||
5f93bcbf | 1079 | /**************************************************************** |
1080 | ** Perform a call to GNAT_STAT or GNAT_FSTAT, and extract as much information | |
1081 | ** as possible from it, storing the result in a cache for later reuse | |
1082 | ****************************************************************/ | |
1fac938e | 1083 | |
5f93bcbf | 1084 | void |
1085 | __gnat_stat_to_attr (int fd, char* name, struct file_attributes* attr) | |
1fac938e | 1086 | { |
8cb516d7 | 1087 | GNAT_STRUCT_STAT statbuf; |
5f93bcbf | 1088 | int ret; |
1fac938e | 1089 | |
5f93bcbf | 1090 | if (fd != -1) |
1091 | ret = GNAT_FSTAT (fd, &statbuf); | |
1092 | else | |
1093 | ret = __gnat_stat (name, &statbuf); | |
1094 | ||
1095 | attr->regular = (!ret && S_ISREG (statbuf.st_mode)); | |
1096 | attr->directory = (!ret && S_ISDIR (statbuf.st_mode)); | |
1fac938e | 1097 | |
5f93bcbf | 1098 | if (!attr->regular) |
1099 | attr->file_length = 0; | |
1100 | else | |
1101 | /* st_size may be 32 bits, or 64 bits which is converted to long. We | |
1102 | don't return a useful value for files larger than 2 gigabytes in | |
1103 | either case. */ | |
1104 | attr->file_length = statbuf.st_size; /* all systems */ | |
1105 | ||
5f93bcbf | 1106 | attr->exists = !ret; |
5f93bcbf | 1107 | |
1108 | #if !defined (_WIN32) || defined (RTX) | |
1109 | /* on Windows requires extra system call, see __gnat_is_readable_file_attr */ | |
1110 | attr->readable = (!ret && (statbuf.st_mode & S_IRUSR)); | |
1111 | attr->writable = (!ret && (statbuf.st_mode & S_IWUSR)); | |
1112 | attr->executable = (!ret && (statbuf.st_mode & S_IXUSR)); | |
1113 | #endif | |
1114 | ||
5f93bcbf | 1115 | if (ret != 0) { |
1116 | attr->timestamp = (OS_Time)-1; | |
1117 | } else { | |
1118 | #ifdef VMS | |
1119 | /* VMS has file versioning. */ | |
1120 | attr->timestamp = (OS_Time)statbuf.st_ctime; | |
1121 | #else | |
1122 | attr->timestamp = (OS_Time)statbuf.st_mtime; | |
1123 | #endif | |
1124 | } | |
1fac938e | 1125 | } |
1126 | ||
5f93bcbf | 1127 | /**************************************************************** |
1128 | ** Return the number of bytes in the specified file | |
1129 | ****************************************************************/ | |
d24d7e81 | 1130 | |
1131 | long | |
5f93bcbf | 1132 | __gnat_file_length_attr (int fd, char* name, struct file_attributes* attr) |
d24d7e81 | 1133 | { |
5f93bcbf | 1134 | if (attr->file_length == -1) { |
1135 | __gnat_stat_to_attr (fd, name, attr); | |
1136 | } | |
d24d7e81 | 1137 | |
5f93bcbf | 1138 | return attr->file_length; |
1139 | } | |
d24d7e81 | 1140 | |
5f93bcbf | 1141 | long |
1142 | __gnat_file_length (int fd) | |
1143 | { | |
1144 | struct file_attributes attr; | |
d2697a05 | 1145 | __gnat_reset_attributes (&attr); |
5f93bcbf | 1146 | return __gnat_file_length_attr (fd, NULL, &attr); |
1147 | } | |
c85cfca7 | 1148 | |
5f93bcbf | 1149 | long |
1150 | __gnat_named_file_length (char *name) | |
1151 | { | |
1152 | struct file_attributes attr; | |
d2697a05 | 1153 | __gnat_reset_attributes (&attr); |
5f93bcbf | 1154 | return __gnat_file_length_attr (-1, name, &attr); |
d24d7e81 | 1155 | } |
1156 | ||
1fac938e | 1157 | /* Create a temporary filename and put it in string pointed to by |
f15731c4 | 1158 | TMP_FILENAME. */ |
1fac938e | 1159 | |
1160 | void | |
9dfe12ae | 1161 | __gnat_tmp_name (char *tmp_filename) |
1fac938e | 1162 | { |
72772d89 | 1163 | #ifdef RTX |
f5099270 | 1164 | /* Variable used to create a series of unique names */ |
1165 | static int counter = 0; | |
1166 | ||
1167 | /* RTX in RTSS mode does not support tempnam nor tmpnam so we emulate it */ | |
1168 | strcpy (tmp_filename, "c:\\WINDOWS\\Temp\\gnat-"); | |
1169 | sprintf (&tmp_filename[strlen (tmp_filename)], "%d\0", counter++); | |
72772d89 | 1170 | |
1171 | #elif defined (__MINGW32__) | |
1fac938e | 1172 | { |
1173 | char *pname; | |
1174 | ||
1175 | /* tempnam tries to create a temporary file in directory pointed to by | |
1176 | TMP environment variable, in c:\temp if TMP is not set, and in | |
1177 | directory specified by P_tmpdir in stdio.h if c:\temp does not | |
1178 | exist. The filename will be created with the prefix "gnat-". */ | |
1179 | ||
1180 | pname = (char *) tempnam ("c:\\temp", "gnat-"); | |
1181 | ||
9dfe12ae | 1182 | /* if pname is NULL, the file was not created properly, the disk is full |
1183 | or there is no more free temporary files */ | |
1184 | ||
1185 | if (pname == NULL) | |
1186 | *tmp_filename = '\0'; | |
1187 | ||
f15731c4 | 1188 | /* If pname start with a back slash and not path information it means that |
1189 | the filename is valid for the current working directory. */ | |
1fac938e | 1190 | |
9dfe12ae | 1191 | else if (pname[0] == '\\') |
1fac938e | 1192 | { |
1193 | strcpy (tmp_filename, ".\\"); | |
1194 | strcat (tmp_filename, pname+1); | |
1195 | } | |
1196 | else | |
1197 | strcpy (tmp_filename, pname); | |
1198 | ||
1199 | free (pname); | |
1200 | } | |
f15731c4 | 1201 | |
e0324ff5 | 1202 | #elif defined (linux) || defined (__FreeBSD__) || defined (__NetBSD__) \ |
9d093602 | 1203 | || defined (__OpenBSD__) || defined(__GLIBC__) |
9dfe12ae | 1204 | #define MAX_SAFE_PATH 1000 |
1fac938e | 1205 | char *tmpdir = getenv ("TMPDIR"); |
1206 | ||
9dfe12ae | 1207 | /* If tmpdir is longer than MAX_SAFE_PATH, revert to default value to avoid |
1208 | a buffer overflow. */ | |
1209 | if (tmpdir == NULL || strlen (tmpdir) > MAX_SAFE_PATH) | |
1fac938e | 1210 | strcpy (tmp_filename, "/tmp/gnat-XXXXXX"); |
1211 | else | |
9dfe12ae | 1212 | sprintf (tmp_filename, "%s/gnat-XXXXXX", tmpdir); |
1fac938e | 1213 | |
1214 | close (mkstemp(tmp_filename)); | |
1215 | #else | |
1216 | tmpnam (tmp_filename); | |
1217 | #endif | |
1218 | } | |
1219 | ||
3b18b370 | 1220 | /* Open directory and returns a DIR pointer. */ |
1221 | ||
1222 | DIR* __gnat_opendir (char *name) | |
1223 | { | |
e2a33c18 | 1224 | #if defined (RTX) |
1225 | /* Not supported in RTX */ | |
1226 | ||
1227 | return NULL; | |
1228 | ||
1229 | #elif defined (__MINGW32__) | |
3b18b370 | 1230 | TCHAR wname[GNAT_MAX_PATH_LEN]; |
1231 | ||
f60cc57d | 1232 | S2WSC (wname, name, GNAT_MAX_PATH_LEN); |
3b18b370 | 1233 | return (DIR*)_topendir (wname); |
1234 | ||
1235 | #else | |
1236 | return opendir (name); | |
1237 | #endif | |
1238 | } | |
1239 | ||
1fac938e | 1240 | /* Read the next entry in a directory. The returned string points somewhere |
1241 | in the buffer. */ | |
1242 | ||
1243 | char * | |
3b18b370 | 1244 | __gnat_readdir (DIR *dirp, char *buffer, int *len) |
1fac938e | 1245 | { |
e2a33c18 | 1246 | #if defined (RTX) |
1247 | /* Not supported in RTX */ | |
1248 | ||
1249 | return NULL; | |
8e726ab4 | 1250 | |
e2a33c18 | 1251 | #elif defined (__MINGW32__) |
3b18b370 | 1252 | struct _tdirent *dirent = _treaddir ((_TDIR*)dirp); |
1253 | ||
1254 | if (dirent != NULL) | |
1255 | { | |
f60cc57d | 1256 | WS2SC (buffer, dirent->d_name, GNAT_MAX_PATH_LEN); |
3b18b370 | 1257 | *len = strlen (buffer); |
1258 | ||
1259 | return buffer; | |
1260 | } | |
1261 | else | |
1262 | return NULL; | |
1263 | ||
1264 | #elif defined (HAVE_READDIR_R) | |
1fac938e | 1265 | /* If possible, try to use the thread-safe version. */ |
1fac938e | 1266 | if (readdir_r (dirp, buffer) != NULL) |
1aa4b9ce | 1267 | { |
1268 | *len = strlen (((struct dirent*) buffer)->d_name); | |
1269 | return ((struct dirent*) buffer)->d_name; | |
1270 | } | |
1fac938e | 1271 | else |
1272 | return NULL; | |
1273 | ||
1274 | #else | |
5b941af6 | 1275 | struct dirent *dirent = (struct dirent *) readdir (dirp); |
1fac938e | 1276 | |
1277 | if (dirent != NULL) | |
1278 | { | |
1279 | strcpy (buffer, dirent->d_name); | |
3b18b370 | 1280 | *len = strlen (buffer); |
1fac938e | 1281 | return buffer; |
1282 | } | |
1283 | else | |
1284 | return NULL; | |
1285 | ||
1286 | #endif | |
1287 | } | |
1288 | ||
3b18b370 | 1289 | /* Close a directory entry. */ |
1290 | ||
1291 | int __gnat_closedir (DIR *dirp) | |
1292 | { | |
e2a33c18 | 1293 | #if defined (RTX) |
1294 | /* Not supported in RTX */ | |
1295 | ||
1296 | return 0; | |
1297 | ||
1298 | #elif defined (__MINGW32__) | |
3b18b370 | 1299 | return _tclosedir ((_TDIR*)dirp); |
1300 | ||
1301 | #else | |
1302 | return closedir (dirp); | |
1303 | #endif | |
1304 | } | |
1305 | ||
1fac938e | 1306 | /* Returns 1 if readdir is thread safe, 0 otherwise. */ |
1307 | ||
1308 | int | |
6f2c2693 | 1309 | __gnat_readdir_is_thread_safe (void) |
1fac938e | 1310 | { |
1311 | #ifdef HAVE_READDIR_R | |
1312 | return 1; | |
1313 | #else | |
1314 | return 0; | |
1315 | #endif | |
1316 | } | |
1317 | ||
e2a33c18 | 1318 | #if defined (_WIN32) && !defined (RTX) |
982e2721 | 1319 | /* Number of seconds between <Jan 1st 1601> and <Jan 1st 1970>. */ |
1320 | static const unsigned long long w32_epoch_offset = 11644473600ULL; | |
1fac938e | 1321 | |
1322 | /* Returns the file modification timestamp using Win32 routines which are | |
1323 | immune against daylight saving time change. It is in fact not possible to | |
1324 | use fstat for this purpose as the DST modify the st_mtime field of the | |
1325 | stat structure. */ | |
1326 | ||
1327 | static time_t | |
9dfe12ae | 1328 | win32_filetime (HANDLE h) |
1fac938e | 1329 | { |
982e2721 | 1330 | union |
1331 | { | |
1332 | FILETIME ft_time; | |
1333 | unsigned long long ull_time; | |
1334 | } t_write; | |
1fac938e | 1335 | |
1336 | /* GetFileTime returns FILETIME data which are the number of 100 nanosecs | |
1337 | since <Jan 1st 1601>. This function must return the number of seconds | |
1338 | since <Jan 1st 1970>. */ | |
1339 | ||
982e2721 | 1340 | if (GetFileTime (h, NULL, NULL, &t_write.ft_time)) |
3b18b370 | 1341 | return (time_t) (t_write.ull_time / 10000000ULL - w32_epoch_offset); |
982e2721 | 1342 | return (time_t) 0; |
1fac938e | 1343 | } |
d7c2851f | 1344 | |
1345 | /* As above but starting from a FILETIME. */ | |
7edd5071 | 1346 | static void |
1347 | f2t (const FILETIME *ft, time_t *t) | |
d7c2851f | 1348 | { |
1349 | union | |
1350 | { | |
1351 | FILETIME ft_time; | |
1352 | unsigned long long ull_time; | |
1353 | } t_write; | |
1354 | ||
1355 | t_write.ft_time = *ft; | |
1356 | *t = (time_t) (t_write.ull_time / 10000000ULL - w32_epoch_offset); | |
1357 | } | |
1fac938e | 1358 | #endif |
1359 | ||
1360 | /* Return a GNAT time stamp given a file name. */ | |
1361 | ||
1bbc9831 | 1362 | OS_Time |
5f93bcbf | 1363 | __gnat_file_time_name_attr (char* name, struct file_attributes* attr) |
1fac938e | 1364 | { |
5f93bcbf | 1365 | if (attr->timestamp == (OS_Time)-2) { |
30592778 | 1366 | #if defined (_WIN32) && !defined (RTX) |
7edd5071 | 1367 | BOOL res; |
1368 | WIN32_FILE_ATTRIBUTE_DATA fad; | |
5f93bcbf | 1369 | time_t ret = -1; |
1370 | TCHAR wname[GNAT_MAX_PATH_LEN]; | |
1371 | S2WSC (wname, name, GNAT_MAX_PATH_LEN); | |
3b18b370 | 1372 | |
928c11f3 | 1373 | if ((res = GetFileAttributesEx (wname, GetFileExInfoStandard, &fad))) |
7edd5071 | 1374 | f2t (&fad.ftLastWriteTime, &ret); |
5f93bcbf | 1375 | attr->timestamp = (OS_Time) ret; |
1fac938e | 1376 | #else |
5f93bcbf | 1377 | __gnat_stat_to_attr (-1, name, attr); |
1fac938e | 1378 | #endif |
1bbc9831 | 1379 | } |
5f93bcbf | 1380 | return attr->timestamp; |
1381 | } | |
1382 | ||
1383 | OS_Time | |
1384 | __gnat_file_time_name (char *name) | |
1385 | { | |
1386 | struct file_attributes attr; | |
d2697a05 | 1387 | __gnat_reset_attributes (&attr); |
5f93bcbf | 1388 | return __gnat_file_time_name_attr (name, &attr); |
1fac938e | 1389 | } |
1390 | ||
1391 | /* Return a GNAT time stamp given a file descriptor. */ | |
1392 | ||
1bbc9831 | 1393 | OS_Time |
5f93bcbf | 1394 | __gnat_file_time_fd_attr (int fd, struct file_attributes* attr) |
1fac938e | 1395 | { |
5f93bcbf | 1396 | if (attr->timestamp == (OS_Time)-2) { |
30592778 | 1397 | #if defined (_WIN32) && !defined (RTX) |
5f93bcbf | 1398 | HANDLE h = (HANDLE) _get_osfhandle (fd); |
1399 | time_t ret = win32_filetime (h); | |
1400 | attr->timestamp = (OS_Time) ret; | |
1fac938e | 1401 | |
1402 | #else | |
5f93bcbf | 1403 | __gnat_stat_to_attr (fd, NULL, attr); |
1fac938e | 1404 | #endif |
5f93bcbf | 1405 | } |
1406 | ||
1407 | return attr->timestamp; | |
1408 | } | |
1409 | ||
1410 | OS_Time | |
1411 | __gnat_file_time_fd (int fd) | |
1412 | { | |
1413 | struct file_attributes attr; | |
d2697a05 | 1414 | __gnat_reset_attributes (&attr); |
5f93bcbf | 1415 | return __gnat_file_time_fd_attr (fd, &attr); |
1fac938e | 1416 | } |
1417 | ||
f15731c4 | 1418 | /* Set the file time stamp. */ |
d8dd2062 | 1419 | |
1420 | void | |
9dfe12ae | 1421 | __gnat_set_file_time_name (char *name, time_t time_stamp) |
d8dd2062 | 1422 | { |
30592778 | 1423 | #if defined (__vxworks) |
71a3e619 | 1424 | |
f15731c4 | 1425 | /* Code to implement __gnat_set_file_time_name for these systems. */ |
71a3e619 | 1426 | |
e2a33c18 | 1427 | #elif defined (_WIN32) && !defined (RTX) |
982e2721 | 1428 | union |
1429 | { | |
1430 | FILETIME ft_time; | |
1431 | unsigned long long ull_time; | |
1432 | } t_write; | |
3b18b370 | 1433 | TCHAR wname[GNAT_MAX_PATH_LEN]; |
fabb7dc5 | 1434 | |
f60cc57d | 1435 | S2WSC (wname, name, GNAT_MAX_PATH_LEN); |
3b18b370 | 1436 | |
1437 | HANDLE h = CreateFile | |
1438 | (wname, GENERIC_WRITE, FILE_SHARE_WRITE, NULL, | |
1439 | OPEN_EXISTING, FILE_FLAG_BACKUP_SEMANTICS, | |
1440 | NULL); | |
982e2721 | 1441 | if (h == INVALID_HANDLE_VALUE) |
1442 | return; | |
1443 | /* Add number of seconds between <Jan 1st 1601> and <Jan 1st 1970> */ | |
1444 | t_write.ull_time = ((unsigned long long)time_stamp + w32_epoch_offset); | |
1445 | /* Convert to 100 nanosecond units */ | |
1446 | t_write.ull_time *= 10000000ULL; | |
1447 | ||
1448 | SetFileTime(h, NULL, NULL, &t_write.ft_time); | |
1449 | CloseHandle (h); | |
1450 | return; | |
1451 | ||
d8dd2062 | 1452 | #elif defined (VMS) |
1453 | struct FAB fab; | |
1454 | struct NAM nam; | |
1455 | ||
1456 | struct | |
1457 | { | |
1458 | unsigned long long backup, create, expire, revise; | |
8620a406 | 1459 | unsigned int uic; |
d8dd2062 | 1460 | union |
1461 | { | |
1462 | unsigned short value; | |
1463 | struct | |
1464 | { | |
1465 | unsigned system : 4; | |
1466 | unsigned owner : 4; | |
1467 | unsigned group : 4; | |
1468 | unsigned world : 4; | |
1469 | } bits; | |
1470 | } prot; | |
f15731c4 | 1471 | } Fat = { 0, 0, 0, 0, 0, { 0 }}; |
d8dd2062 | 1472 | |
f15731c4 | 1473 | ATRDEF atrlst[] |
d8dd2062 | 1474 | = { |
1475 | { ATR$S_CREDATE, ATR$C_CREDATE, &Fat.create }, | |
1476 | { ATR$S_REVDATE, ATR$C_REVDATE, &Fat.revise }, | |
1477 | { ATR$S_EXPDATE, ATR$C_EXPDATE, &Fat.expire }, | |
1478 | { ATR$S_BAKDATE, ATR$C_BAKDATE, &Fat.backup }, | |
f15731c4 | 1479 | { ATR$S_FPRO, ATR$C_FPRO, &Fat.prot }, |
d8dd2062 | 1480 | { ATR$S_UIC, ATR$C_UIC, &Fat.uic }, |
1481 | { 0, 0, 0} | |
1482 | }; | |
1483 | ||
1484 | FIBDEF fib; | |
1485 | struct dsc$descriptor_fib fibdsc = {sizeof (fib), (void *) &fib}; | |
1486 | ||
1487 | struct IOSB iosb; | |
1488 | ||
1489 | unsigned long long newtime; | |
1490 | unsigned long long revtime; | |
1491 | long status; | |
1492 | short chan; | |
1493 | ||
1494 | struct vstring file; | |
1495 | struct dsc$descriptor_s filedsc | |
1496 | = {NAM$C_MAXRSS, DSC$K_DTYPE_T, DSC$K_CLASS_S, (void *) file.string}; | |
1497 | struct vstring device; | |
1498 | struct dsc$descriptor_s devicedsc | |
1499 | = {NAM$C_MAXRSS, DSC$K_DTYPE_T, DSC$K_CLASS_S, (void *) device.string}; | |
1500 | struct vstring timev; | |
1501 | struct dsc$descriptor_s timedsc | |
1502 | = {NAM$C_MAXRSS, DSC$K_DTYPE_T, DSC$K_CLASS_S, (void *) timev.string}; | |
1503 | struct vstring result; | |
1504 | struct dsc$descriptor_s resultdsc | |
1505 | = {NAM$C_MAXRSS, DSC$K_DTYPE_VT, DSC$K_CLASS_VS, (void *) result.string}; | |
1506 | ||
3b18b370 | 1507 | /* Convert parameter name (a file spec) to host file form. Note that this |
1508 | is needed on VMS to prepare for subsequent calls to VMS RMS library | |
1509 | routines. Note that it would not work to call __gnat_to_host_dir_spec | |
1510 | as was done in a previous version, since this fails silently unless | |
1511 | the feature logical DECC$EFS_CHARSET is enabled, in which case a DNF | |
1512 | (directory not found) condition is signalled. */ | |
1513 | tryfile = (char *) __gnat_to_host_file_spec (name); | |
d8dd2062 | 1514 | |
f15731c4 | 1515 | /* Allocate and initialize a FAB and NAM structures. */ |
d8dd2062 | 1516 | fab = cc$rms_fab; |
1517 | nam = cc$rms_nam; | |
1518 | ||
1519 | nam.nam$l_esa = file.string; | |
1520 | nam.nam$b_ess = NAM$C_MAXRSS; | |
1521 | nam.nam$l_rsa = result.string; | |
1522 | nam.nam$b_rss = NAM$C_MAXRSS; | |
1523 | fab.fab$l_fna = tryfile; | |
1524 | fab.fab$b_fns = strlen (tryfile); | |
1525 | fab.fab$l_nam = &nam; | |
1526 | ||
f15731c4 | 1527 | /* Validate filespec syntax and device existence. */ |
d8dd2062 | 1528 | status = SYS$PARSE (&fab, 0, 0); |
1529 | if ((status & 1) != 1) | |
1530 | LIB$SIGNAL (status); | |
1531 | ||
f15731c4 | 1532 | file.string[nam.nam$b_esl] = 0; |
d8dd2062 | 1533 | |
f15731c4 | 1534 | /* Find matching filespec. */ |
d8dd2062 | 1535 | status = SYS$SEARCH (&fab, 0, 0); |
1536 | if ((status & 1) != 1) | |
1537 | LIB$SIGNAL (status); | |
1538 | ||
f15731c4 | 1539 | file.string[nam.nam$b_esl] = 0; |
1540 | result.string[result.length=nam.nam$b_rsl] = 0; | |
d8dd2062 | 1541 | |
f15731c4 | 1542 | /* Get the device name and assign an IO channel. */ |
d8dd2062 | 1543 | strncpy (device.string, nam.nam$l_dev, nam.nam$b_dev); |
1544 | devicedsc.dsc$w_length = nam.nam$b_dev; | |
1545 | chan = 0; | |
1546 | status = SYS$ASSIGN (&devicedsc, &chan, 0, 0, 0); | |
1547 | if ((status & 1) != 1) | |
1548 | LIB$SIGNAL (status); | |
1549 | ||
f15731c4 | 1550 | /* Initialize the FIB and fill in the directory id field. */ |
1551 | memset (&fib, 0, sizeof (fib)); | |
1552 | fib.fib$w_did[0] = nam.nam$w_did[0]; | |
1553 | fib.fib$w_did[1] = nam.nam$w_did[1]; | |
1554 | fib.fib$w_did[2] = nam.nam$w_did[2]; | |
d8dd2062 | 1555 | fib.fib$l_acctl = 0; |
1556 | fib.fib$l_wcc = 0; | |
1557 | strcpy (file.string, (strrchr (result.string, ']') + 1)); | |
1558 | filedsc.dsc$w_length = strlen (file.string); | |
f15731c4 | 1559 | result.string[result.length = 0] = 0; |
d8dd2062 | 1560 | |
1561 | /* Open and close the file to fill in the attributes. */ | |
1562 | status | |
1563 | = SYS$QIOW (0, chan, IO$_ACCESS|IO$M_ACCESS, &iosb, 0, 0, | |
1564 | &fibdsc, &filedsc, &result.length, &resultdsc, &atrlst, 0); | |
1565 | if ((status & 1) != 1) | |
1566 | LIB$SIGNAL (status); | |
1567 | if ((iosb.status & 1) != 1) | |
1568 | LIB$SIGNAL (iosb.status); | |
1569 | ||
f15731c4 | 1570 | result.string[result.length] = 0; |
1571 | status = SYS$QIOW (0, chan, IO$_DEACCESS, &iosb, 0, 0, &fibdsc, 0, 0, 0, | |
1572 | &atrlst, 0); | |
d8dd2062 | 1573 | if ((status & 1) != 1) |
1574 | LIB$SIGNAL (status); | |
1575 | if ((iosb.status & 1) != 1) | |
1576 | LIB$SIGNAL (iosb.status); | |
1577 | ||
d8dd2062 | 1578 | { |
1579 | time_t t; | |
f15731c4 | 1580 | |
1581 | /* Set creation time to requested time. */ | |
9dfe12ae | 1582 | unix_time_to_vms (time_stamp, newtime); |
f15731c4 | 1583 | |
d8dd2062 | 1584 | t = time ((time_t) 0); |
d8dd2062 | 1585 | |
f15731c4 | 1586 | /* Set revision time to now in local time. */ |
9dfe12ae | 1587 | unix_time_to_vms (t, revtime); |
d8dd2062 | 1588 | } |
1589 | ||
f15731c4 | 1590 | /* Reopen the file, modify the times and then close. */ |
d8dd2062 | 1591 | fib.fib$l_acctl = FIB$M_WRITE; |
1592 | status | |
1593 | = SYS$QIOW (0, chan, IO$_ACCESS|IO$M_ACCESS, &iosb, 0, 0, | |
1594 | &fibdsc, &filedsc, &result.length, &resultdsc, &atrlst, 0); | |
1595 | if ((status & 1) != 1) | |
1596 | LIB$SIGNAL (status); | |
1597 | if ((iosb.status & 1) != 1) | |
1598 | LIB$SIGNAL (iosb.status); | |
1599 | ||
1600 | Fat.create = newtime; | |
1601 | Fat.revise = revtime; | |
1602 | ||
1603 | status = SYS$QIOW (0, chan, IO$_DEACCESS, &iosb, 0, 0, | |
1604 | &fibdsc, 0, 0, 0, &atrlst, 0); | |
1605 | if ((status & 1) != 1) | |
1606 | LIB$SIGNAL (status); | |
1607 | if ((iosb.status & 1) != 1) | |
1608 | LIB$SIGNAL (iosb.status); | |
1609 | ||
f15731c4 | 1610 | /* Deassign the channel and exit. */ |
d8dd2062 | 1611 | status = SYS$DASSGN (chan); |
1612 | if ((status & 1) != 1) | |
1613 | LIB$SIGNAL (status); | |
1614 | #else | |
1615 | struct utimbuf utimbuf; | |
1616 | time_t t; | |
1617 | ||
f15731c4 | 1618 | /* Set modification time to requested time. */ |
d8dd2062 | 1619 | utimbuf.modtime = time_stamp; |
1620 | ||
f15731c4 | 1621 | /* Set access time to now in local time. */ |
d8dd2062 | 1622 | t = time ((time_t) 0); |
1623 | utimbuf.actime = mktime (localtime (&t)); | |
1624 | ||
1625 | utime (name, &utimbuf); | |
1626 | #endif | |
1627 | } | |
1628 | ||
1fac938e | 1629 | /* Get the list of installed standard libraries from the |
1630 | HKEY_LOCAL_MACHINE\SOFTWARE\Ada Core Technologies\GNAT\Standard Libraries | |
1631 | key. */ | |
1632 | ||
1633 | char * | |
6f2c2693 | 1634 | __gnat_get_libraries_from_registry (void) |
1fac938e | 1635 | { |
69d33a1d | 1636 | char *result = (char *) xmalloc (1); |
1637 | ||
1638 | result[0] = '\0'; | |
1fac938e | 1639 | |
8c7d3bad | 1640 | #if defined (_WIN32) && ! defined (__vxworks) && ! defined (IS_CROSS) \ |
1641 | && ! defined (RTX) | |
1fac938e | 1642 | |
1643 | HKEY reg_key; | |
1644 | DWORD name_size, value_size; | |
1645 | char name[256]; | |
1646 | char value[256]; | |
1647 | DWORD type; | |
1648 | DWORD index; | |
1649 | LONG res; | |
1650 | ||
1651 | /* First open the key. */ | |
1652 | res = RegOpenKeyExA (HKEY_LOCAL_MACHINE, "SOFTWARE", 0, KEY_READ, ®_key); | |
1653 | ||
1654 | if (res == ERROR_SUCCESS) | |
1655 | res = RegOpenKeyExA (reg_key, "Ada Core Technologies", 0, | |
1656 | KEY_READ, ®_key); | |
1657 | ||
1658 | if (res == ERROR_SUCCESS) | |
1659 | res = RegOpenKeyExA (reg_key, "GNAT", 0, KEY_READ, ®_key); | |
1660 | ||
1661 | if (res == ERROR_SUCCESS) | |
1662 | res = RegOpenKeyExA (reg_key, "Standard Libraries", 0, KEY_READ, ®_key); | |
1663 | ||
1664 | /* If the key exists, read out all the values in it and concatenate them | |
1665 | into a path. */ | |
1666 | for (index = 0; res == ERROR_SUCCESS; index++) | |
1667 | { | |
1668 | value_size = name_size = 256; | |
2726b813 | 1669 | res = RegEnumValueA (reg_key, index, name, &name_size, 0, |
e2c62f37 | 1670 | &type, (LPBYTE)value, &value_size); |
1fac938e | 1671 | |
1672 | if (res == ERROR_SUCCESS && type == REG_SZ) | |
1673 | { | |
1674 | char *old_result = result; | |
1675 | ||
1676 | result = (char *) xmalloc (strlen (old_result) + value_size + 2); | |
1677 | strcpy (result, old_result); | |
1678 | strcat (result, value); | |
1679 | strcat (result, ";"); | |
69d33a1d | 1680 | free (old_result); |
1fac938e | 1681 | } |
1682 | } | |
1683 | ||
1684 | /* Remove the trailing ";". */ | |
1685 | if (result[0] != 0) | |
1686 | result[strlen (result) - 1] = 0; | |
2b4d7555 | 1687 | |
69d33a1d | 1688 | #endif |
1fac938e | 1689 | return result; |
1690 | } | |
1691 | ||
1692 | int | |
8cb516d7 | 1693 | __gnat_stat (char *name, GNAT_STRUCT_STAT *statbuf) |
1fac938e | 1694 | { |
3b18b370 | 1695 | #ifdef __MINGW32__ |
d7c2851f | 1696 | WIN32_FILE_ATTRIBUTE_DATA fad; |
3b18b370 | 1697 | TCHAR wname [GNAT_MAX_PATH_LEN + 2]; |
d7c2851f | 1698 | int name_len; |
1699 | BOOL res; | |
7d20685d | 1700 | DWORD error; |
3b18b370 | 1701 | |
f60cc57d | 1702 | S2WSC (wname, name, GNAT_MAX_PATH_LEN + 2); |
3b18b370 | 1703 | name_len = _tcslen (wname); |
e7b2d6bc | 1704 | |
1705 | if (name_len > GNAT_MAX_PATH_LEN) | |
1706 | return -1; | |
1fac938e | 1707 | |
d7c2851f | 1708 | ZeroMemory (statbuf, sizeof(GNAT_STRUCT_STAT)); |
1709 | ||
1710 | res = GetFileAttributesEx (wname, GetFileExInfoStandard, &fad); | |
1711 | ||
7d20685d | 1712 | if (res == FALSE) { |
1713 | error = GetLastError(); | |
1714 | ||
1715 | /* Check file existence using GetFileAttributes() which does not fail on | |
1716 | special Windows files like con:, aux:, nul: etc... */ | |
1717 | ||
1718 | if (GetFileAttributes(wname) != INVALID_FILE_ATTRIBUTES) { | |
1719 | /* Just pretend that it is a regular and readable file */ | |
1720 | statbuf->st_mode = S_IFREG | S_IREAD | S_IWRITE; | |
1721 | return 0; | |
1722 | } | |
1723 | ||
1724 | switch (error) { | |
7edd5071 | 1725 | case ERROR_ACCESS_DENIED: |
1726 | case ERROR_SHARING_VIOLATION: | |
1727 | case ERROR_LOCK_VIOLATION: | |
1728 | case ERROR_SHARING_BUFFER_EXCEEDED: | |
1729 | return EACCES; | |
1730 | case ERROR_BUFFER_OVERFLOW: | |
1731 | return ENAMETOOLONG; | |
1732 | case ERROR_NOT_ENOUGH_MEMORY: | |
1733 | return ENOMEM; | |
1734 | default: | |
1735 | return ENOENT; | |
1fac938e | 1736 | } |
7d20685d | 1737 | } |
1fac938e | 1738 | |
d7c2851f | 1739 | f2t (&fad.ftCreationTime, &statbuf->st_ctime); |
1740 | f2t (&fad.ftLastWriteTime, &statbuf->st_mtime); | |
1741 | f2t (&fad.ftLastAccessTime, &statbuf->st_atime); | |
8234fccd | 1742 | |
d7c2851f | 1743 | statbuf->st_size = (off_t)fad.nFileSizeLow; |
8234fccd | 1744 | |
d7c2851f | 1745 | /* We do not have the S_IEXEC attribute, but this is not used on GNAT. */ |
1746 | statbuf->st_mode = S_IREAD; | |
1fac938e | 1747 | |
d7c2851f | 1748 | if (fad.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) |
1749 | statbuf->st_mode |= S_IFDIR; | |
1750 | else | |
1751 | statbuf->st_mode |= S_IFREG; | |
1752 | ||
1753 | if (!(fad.dwFileAttributes & FILE_ATTRIBUTE_READONLY)) | |
1754 | statbuf->st_mode |= S_IWRITE; | |
1755 | ||
1756 | return 0; | |
1fac938e | 1757 | |
1758 | #else | |
8cb516d7 | 1759 | return GNAT_STAT (name, statbuf); |
1fac938e | 1760 | #endif |
1761 | } | |
1762 | ||
5f93bcbf | 1763 | /************************************************************************* |
1764 | ** Check whether a file exists | |
1765 | *************************************************************************/ | |
1766 | ||
1fac938e | 1767 | int |
5f93bcbf | 1768 | __gnat_file_exists_attr (char* name, struct file_attributes* attr) |
1fac938e | 1769 | { |
bce992c9 | 1770 | if (attr->exists == ATTR_UNSET) { |
5f93bcbf | 1771 | __gnat_stat_to_attr (-1, name, attr); |
5f93bcbf | 1772 | } |
1773 | ||
1774 | return attr->exists; | |
1fac938e | 1775 | } |
1776 | ||
5f93bcbf | 1777 | int |
1778 | __gnat_file_exists (char *name) | |
1779 | { | |
1780 | struct file_attributes attr; | |
d2697a05 | 1781 | __gnat_reset_attributes (&attr); |
5f93bcbf | 1782 | return __gnat_file_exists_attr (name, &attr); |
1783 | } | |
1784 | ||
1785 | /********************************************************************** | |
1786 | ** Whether name is an absolute path | |
1787 | **********************************************************************/ | |
1788 | ||
9dfe12ae | 1789 | int |
4a3f445c | 1790 | __gnat_is_absolute_path (char *name, int length) |
1fac938e | 1791 | { |
8620a406 | 1792 | #ifdef __vxworks |
1793 | /* On VxWorks systems, an absolute path can be represented (depending on | |
1794 | the host platform) as either /dir/file, or device:/dir/file, or | |
1795 | device:drive_letter:/dir/file. */ | |
1796 | ||
1797 | int index; | |
1798 | ||
1799 | if (name[0] == '/') | |
1800 | return 1; | |
1801 | ||
1802 | for (index = 0; index < length; index++) | |
1803 | { | |
1804 | if (name[index] == ':' && | |
1805 | ((name[index + 1] == '/') || | |
1806 | (isalpha (name[index + 1]) && index + 2 <= length && | |
1807 | name[index + 2] == '/'))) | |
1808 | return 1; | |
1809 | ||
1810 | else if (name[index] == '/') | |
1811 | return 0; | |
1812 | } | |
1813 | return 0; | |
1814 | #else | |
4a3f445c | 1815 | return (length != 0) && |
1816 | (*name == '/' || *name == DIR_SEPARATOR | |
30592778 | 1817 | #if defined (WINNT) |
a4f295eb | 1818 | || (length > 1 && ISALPHA (name[0]) && name[1] == ':') |
1fac938e | 1819 | #endif |
69d33a1d | 1820 | ); |
8620a406 | 1821 | #endif |
1fac938e | 1822 | } |
1823 | ||
5f93bcbf | 1824 | int |
1825 | __gnat_is_regular_file_attr (char* name, struct file_attributes* attr) | |
1826 | { | |
bce992c9 | 1827 | if (attr->regular == ATTR_UNSET) { |
5f93bcbf | 1828 | __gnat_stat_to_attr (-1, name, attr); |
1829 | } | |
1830 | ||
1831 | return attr->regular; | |
1832 | } | |
1833 | ||
1fac938e | 1834 | int |
9dfe12ae | 1835 | __gnat_is_regular_file (char *name) |
1fac938e | 1836 | { |
5f93bcbf | 1837 | struct file_attributes attr; |
d2697a05 | 1838 | __gnat_reset_attributes (&attr); |
5f93bcbf | 1839 | return __gnat_is_regular_file_attr (name, &attr); |
1840 | } | |
1841 | ||
1842 | int | |
1843 | __gnat_is_directory_attr (char* name, struct file_attributes* attr) | |
1844 | { | |
bce992c9 | 1845 | if (attr->directory == ATTR_UNSET) { |
5f93bcbf | 1846 | __gnat_stat_to_attr (-1, name, attr); |
1847 | } | |
1fac938e | 1848 | |
5f93bcbf | 1849 | return attr->directory; |
1fac938e | 1850 | } |
1851 | ||
1852 | int | |
9dfe12ae | 1853 | __gnat_is_directory (char *name) |
1fac938e | 1854 | { |
5f93bcbf | 1855 | struct file_attributes attr; |
d2697a05 | 1856 | __gnat_reset_attributes (&attr); |
5f93bcbf | 1857 | return __gnat_is_directory_attr (name, &attr); |
1fac938e | 1858 | } |
1859 | ||
7db1ef17 | 1860 | #if defined (_WIN32) && !defined (RTX) |
57ecb969 | 1861 | |
1862 | /* Returns the same constant as GetDriveType but takes a pathname as | |
1863 | argument. */ | |
1864 | ||
1865 | static UINT | |
1866 | GetDriveTypeFromPath (TCHAR *wfullpath) | |
1867 | { | |
1868 | TCHAR wdrv[MAX_PATH]; | |
1869 | TCHAR wpath[MAX_PATH]; | |
1870 | TCHAR wfilename[MAX_PATH]; | |
1871 | TCHAR wext[MAX_PATH]; | |
1872 | ||
1873 | _tsplitpath (wfullpath, wdrv, wpath, wfilename, wext); | |
1874 | ||
1875 | if (_tcslen (wdrv) != 0) | |
1876 | { | |
1877 | /* we have a drive specified. */ | |
1878 | _tcscat (wdrv, _T("\\")); | |
1879 | return GetDriveType (wdrv); | |
1880 | } | |
1881 | else | |
1882 | { | |
1883 | /* No drive specified. */ | |
1884 | ||
1885 | /* Is this a relative path, if so get current drive type. */ | |
1886 | if (wpath[0] != _T('\\') || | |
69d33a1d | 1887 | (_tcslen (wpath) > 2 && wpath[0] == _T('\\') && wpath[1] != _T('\\'))) |
1888 | return GetDriveType (NULL); | |
57ecb969 | 1889 | |
1890 | UINT result = GetDriveType (wpath); | |
1891 | ||
1892 | /* Cannot guess the drive type, is this \\.\ ? */ | |
1893 | ||
1894 | if (result == DRIVE_NO_ROOT_DIR && | |
69d33a1d | 1895 | _tcslen (wpath) >= 4 && wpath[0] == _T('\\') && wpath[1] == _T('\\') |
1896 | && wpath[2] == _T('.') && wpath[3] == _T('\\')) | |
1897 | { | |
1898 | if (_tcslen (wpath) == 4) | |
1899 | _tcscat (wpath, wfilename); | |
57ecb969 | 1900 | |
69d33a1d | 1901 | LPTSTR p = &wpath[4]; |
1902 | LPTSTR b = _tcschr (p, _T('\\')); | |
57ecb969 | 1903 | |
69d33a1d | 1904 | if (b != NULL) |
1905 | { /* logical drive \\.\c\dir\file */ | |
1906 | *b++ = _T(':'); | |
1907 | *b++ = _T('\\'); | |
1908 | *b = _T('\0'); | |
1909 | } | |
1910 | else | |
1911 | _tcscat (p, _T(":\\")); | |
57ecb969 | 1912 | |
69d33a1d | 1913 | return GetDriveType (p); |
1914 | } | |
57ecb969 | 1915 | |
1916 | return result; | |
1917 | } | |
1918 | } | |
1919 | ||
7db1ef17 | 1920 | /* This MingW section contains code to work with ACL. */ |
1921 | static int | |
1922 | __gnat_check_OWNER_ACL | |
3855c659 | 1923 | (TCHAR *wname, |
7db1ef17 | 1924 | DWORD CheckAccessDesired, |
1925 | GENERIC_MAPPING CheckGenericMapping) | |
1926 | { | |
7db1ef17 | 1927 | DWORD dwAccessDesired, dwAccessAllowed; |
1928 | PRIVILEGE_SET PrivilegeSet; | |
1929 | DWORD dwPrivSetSize = sizeof (PRIVILEGE_SET); | |
1930 | BOOL fAccessGranted = FALSE; | |
f060ec3a | 1931 | HANDLE hToken = NULL; |
1932 | DWORD nLength = 0; | |
7db1ef17 | 1933 | SECURITY_DESCRIPTOR* pSD = NULL; |
1934 | ||
7db1ef17 | 1935 | GetFileSecurity |
1936 | (wname, OWNER_SECURITY_INFORMATION | | |
1937 | GROUP_SECURITY_INFORMATION | DACL_SECURITY_INFORMATION, | |
1938 | NULL, 0, &nLength); | |
1939 | ||
1940 | if ((pSD = (PSECURITY_DESCRIPTOR) HeapAlloc | |
1941 | (GetProcessHeap (), HEAP_ZERO_MEMORY, nLength)) == NULL) | |
1942 | return 0; | |
1943 | ||
1944 | /* Obtain the security descriptor. */ | |
1945 | ||
1946 | if (!GetFileSecurity | |
1947 | (wname, OWNER_SECURITY_INFORMATION | | |
1948 | GROUP_SECURITY_INFORMATION | DACL_SECURITY_INFORMATION, | |
1949 | pSD, nLength, &nLength)) | |
f060ec3a | 1950 | goto error; |
7db1ef17 | 1951 | |
1952 | if (!ImpersonateSelf (SecurityImpersonation)) | |
f060ec3a | 1953 | goto error; |
7db1ef17 | 1954 | |
1955 | if (!OpenThreadToken | |
1956 | (GetCurrentThread(), TOKEN_DUPLICATE | TOKEN_QUERY, FALSE, &hToken)) | |
f060ec3a | 1957 | goto error; |
7db1ef17 | 1958 | |
1959 | /* Undoes the effect of ImpersonateSelf. */ | |
1960 | ||
1961 | RevertToSelf (); | |
1962 | ||
1963 | /* We want to test for write permissions. */ | |
1964 | ||
1965 | dwAccessDesired = CheckAccessDesired; | |
1966 | ||
1967 | MapGenericMask (&dwAccessDesired, &CheckGenericMapping); | |
1968 | ||
1969 | if (!AccessCheck | |
1970 | (pSD , /* security descriptor to check */ | |
1971 | hToken, /* impersonation token */ | |
1972 | dwAccessDesired, /* requested access rights */ | |
1973 | &CheckGenericMapping, /* pointer to GENERIC_MAPPING */ | |
1974 | &PrivilegeSet, /* receives privileges used in check */ | |
1975 | &dwPrivSetSize, /* size of PrivilegeSet buffer */ | |
1976 | &dwAccessAllowed, /* receives mask of allowed access rights */ | |
1977 | &fAccessGranted)) | |
f060ec3a | 1978 | goto error; |
7db1ef17 | 1979 | |
f060ec3a | 1980 | CloseHandle (hToken); |
1981 | HeapFree (GetProcessHeap (), 0, pSD); | |
7db1ef17 | 1982 | return fAccessGranted; |
f060ec3a | 1983 | |
1984 | error: | |
1985 | if (hToken) | |
1986 | CloseHandle (hToken); | |
1987 | HeapFree (GetProcessHeap (), 0, pSD); | |
1988 | return 0; | |
7db1ef17 | 1989 | } |
1990 | ||
1991 | static void | |
1992 | __gnat_set_OWNER_ACL | |
3855c659 | 1993 | (TCHAR *wname, |
7db1ef17 | 1994 | DWORD AccessMode, |
1995 | DWORD AccessPermissions) | |
1996 | { | |
4c4697b8 | 1997 | PACL pOldDACL = NULL; |
1998 | PACL pNewDACL = NULL; | |
1999 | PSECURITY_DESCRIPTOR pSD = NULL; | |
7db1ef17 | 2000 | EXPLICIT_ACCESS ea; |
2001 | TCHAR username [100]; | |
2002 | DWORD unsize = 100; | |
2003 | ||
7db1ef17 | 2004 | /* Get current user, he will act as the owner */ |
2005 | ||
2006 | if (!GetUserName (username, &unsize)) | |
2007 | return; | |
2008 | ||
0b3929a6 | 2009 | if (GetNamedSecurityInfo |
2010 | (wname, | |
7db1ef17 | 2011 | SE_FILE_OBJECT, |
2012 | DACL_SECURITY_INFORMATION, | |
2013 | NULL, NULL, &pOldDACL, NULL, &pSD) != ERROR_SUCCESS) | |
2014 | return; | |
2015 | ||
0b3929a6 | 2016 | BuildExplicitAccessWithName |
2017 | (&ea, username, AccessPermissions, AccessMode, NO_INHERITANCE); | |
7db1ef17 | 2018 | |
2019 | if (AccessMode == SET_ACCESS) | |
2020 | { | |
2021 | /* SET_ACCESS, we want to set an explicte set of permissions, do not | |
69d33a1d | 2022 | merge with current DACL. */ |
7db1ef17 | 2023 | if (SetEntriesInAcl (1, &ea, NULL, &pNewDACL) != ERROR_SUCCESS) |
69d33a1d | 2024 | return; |
7db1ef17 | 2025 | } |
2026 | else | |
2027 | if (SetEntriesInAcl (1, &ea, pOldDACL, &pNewDACL) != ERROR_SUCCESS) | |
2028 | return; | |
2029 | ||
0b3929a6 | 2030 | if (SetNamedSecurityInfo |
2031 | (wname, SE_FILE_OBJECT, | |
7db1ef17 | 2032 | DACL_SECURITY_INFORMATION, NULL, NULL, pNewDACL, NULL) != ERROR_SUCCESS) |
2033 | return; | |
2034 | ||
2035 | LocalFree (pSD); | |
2036 | LocalFree (pNewDACL); | |
7db1ef17 | 2037 | } |
57ecb969 | 2038 | |
2039 | /* Check if it is possible to use ACL for wname, the file must not be on a | |
2040 | network drive. */ | |
2041 | ||
2042 | static int | |
2043 | __gnat_can_use_acl (TCHAR *wname) | |
2044 | { | |
2045 | return __gnat_use_acl && GetDriveTypeFromPath (wname) != DRIVE_REMOTE; | |
2046 | } | |
2047 | ||
7db1ef17 | 2048 | #endif /* defined (_WIN32) && !defined (RTX) */ |
2049 | ||
1fac938e | 2050 | int |
5f93bcbf | 2051 | __gnat_is_readable_file_attr (char* name, struct file_attributes* attr) |
9dfe12ae | 2052 | { |
bce992c9 | 2053 | if (attr->readable == ATTR_UNSET) { |
7db1ef17 | 2054 | #if defined (_WIN32) && !defined (RTX) |
5f93bcbf | 2055 | TCHAR wname [GNAT_MAX_PATH_LEN + 2]; |
2056 | GENERIC_MAPPING GenericMapping; | |
3855c659 | 2057 | |
5f93bcbf | 2058 | S2WSC (wname, name, GNAT_MAX_PATH_LEN + 2); |
7db1ef17 | 2059 | |
5f93bcbf | 2060 | if (__gnat_can_use_acl (wname)) |
2061 | { | |
2062 | ZeroMemory (&GenericMapping, sizeof (GENERIC_MAPPING)); | |
2063 | GenericMapping.GenericRead = GENERIC_READ; | |
d9c927cc | 2064 | attr->readable = |
2065 | __gnat_check_OWNER_ACL (wname, FILE_READ_DATA, GenericMapping); | |
5f93bcbf | 2066 | } |
2067 | else | |
2068 | attr->readable = GetFileAttributes (wname) != INVALID_FILE_ATTRIBUTES; | |
7db1ef17 | 2069 | #else |
5f93bcbf | 2070 | __gnat_stat_to_attr (-1, name, attr); |
7db1ef17 | 2071 | #endif |
5f93bcbf | 2072 | } |
2073 | ||
2074 | return attr->readable; | |
9dfe12ae | 2075 | } |
2076 | ||
2077 | int | |
5f93bcbf | 2078 | __gnat_is_readable_file (char *name) |
2079 | { | |
2080 | struct file_attributes attr; | |
d2697a05 | 2081 | __gnat_reset_attributes (&attr); |
5f93bcbf | 2082 | return __gnat_is_readable_file_attr (name, &attr); |
2083 | } | |
2084 | ||
2085 | int | |
2086 | __gnat_is_writable_file_attr (char* name, struct file_attributes* attr) | |
1fac938e | 2087 | { |
bce992c9 | 2088 | if (attr->writable == ATTR_UNSET) { |
7db1ef17 | 2089 | #if defined (_WIN32) && !defined (RTX) |
5f93bcbf | 2090 | TCHAR wname [GNAT_MAX_PATH_LEN + 2]; |
2091 | GENERIC_MAPPING GenericMapping; | |
3855c659 | 2092 | |
5f93bcbf | 2093 | S2WSC (wname, name, GNAT_MAX_PATH_LEN + 2); |
3855c659 | 2094 | |
5f93bcbf | 2095 | if (__gnat_can_use_acl (wname)) |
2096 | { | |
2097 | ZeroMemory (&GenericMapping, sizeof (GENERIC_MAPPING)); | |
2098 | GenericMapping.GenericWrite = GENERIC_WRITE; | |
2726b813 | 2099 | |
5f93bcbf | 2100 | attr->writable = __gnat_check_OWNER_ACL |
2101 | (wname, FILE_WRITE_DATA | FILE_APPEND_DATA, GenericMapping) | |
2102 | && !(GetFileAttributes (wname) & FILE_ATTRIBUTE_READONLY); | |
2103 | } | |
2104 | else | |
2105 | attr->writable = !(GetFileAttributes (wname) & FILE_ATTRIBUTE_READONLY); | |
7db1ef17 | 2106 | |
7db1ef17 | 2107 | #else |
5f93bcbf | 2108 | __gnat_stat_to_attr (-1, name, attr); |
7db1ef17 | 2109 | #endif |
5f93bcbf | 2110 | } |
2111 | ||
2112 | return attr->writable; | |
7db1ef17 | 2113 | } |
2114 | ||
2115 | int | |
5f93bcbf | 2116 | __gnat_is_writable_file (char *name) |
7db1ef17 | 2117 | { |
5f93bcbf | 2118 | struct file_attributes attr; |
d2697a05 | 2119 | __gnat_reset_attributes (&attr); |
5f93bcbf | 2120 | return __gnat_is_writable_file_attr (name, &attr); |
2121 | } | |
2122 | ||
2123 | int | |
2124 | __gnat_is_executable_file_attr (char* name, struct file_attributes* attr) | |
2125 | { | |
bce992c9 | 2126 | if (attr->executable == ATTR_UNSET) { |
7db1ef17 | 2127 | #if defined (_WIN32) && !defined (RTX) |
5f93bcbf | 2128 | TCHAR wname [GNAT_MAX_PATH_LEN + 2]; |
2129 | GENERIC_MAPPING GenericMapping; | |
3855c659 | 2130 | |
5f93bcbf | 2131 | S2WSC (wname, name, GNAT_MAX_PATH_LEN + 2); |
3855c659 | 2132 | |
5f93bcbf | 2133 | if (__gnat_can_use_acl (wname)) |
2134 | { | |
2135 | ZeroMemory (&GenericMapping, sizeof (GENERIC_MAPPING)); | |
2136 | GenericMapping.GenericExecute = GENERIC_EXECUTE; | |
2726b813 | 2137 | |
d9c927cc | 2138 | attr->executable = |
2139 | __gnat_check_OWNER_ACL (wname, FILE_EXECUTE, GenericMapping); | |
5f93bcbf | 2140 | } |
2141 | else | |
2142 | attr->executable = GetFileAttributes (wname) != INVALID_FILE_ATTRIBUTES | |
2143 | && _tcsstr (wname, _T(".exe")) - wname == (int) (_tcslen (wname) - 4); | |
7db1ef17 | 2144 | #else |
5f93bcbf | 2145 | __gnat_stat_to_attr (-1, name, attr); |
7db1ef17 | 2146 | #endif |
5f93bcbf | 2147 | } |
2148 | ||
2149 | return attr->executable; | |
2150 | } | |
2151 | ||
2152 | int | |
2153 | __gnat_is_executable_file (char *name) | |
2154 | { | |
2155 | struct file_attributes attr; | |
d2697a05 | 2156 | __gnat_reset_attributes (&attr); |
5f93bcbf | 2157 | return __gnat_is_executable_file_attr (name, &attr); |
1fac938e | 2158 | } |
2159 | ||
9dfe12ae | 2160 | void |
2161 | __gnat_set_writable (char *name) | |
2162 | { | |
7db1ef17 | 2163 | #if defined (_WIN32) && !defined (RTX) |
3855c659 | 2164 | TCHAR wname [GNAT_MAX_PATH_LEN + 2]; |
2165 | ||
f60cc57d | 2166 | S2WSC (wname, name, GNAT_MAX_PATH_LEN + 2); |
3855c659 | 2167 | |
57ecb969 | 2168 | if (__gnat_can_use_acl (wname)) |
2726b813 | 2169 | __gnat_set_OWNER_ACL (wname, GRANT_ACCESS, FILE_GENERIC_WRITE); |
2170 | ||
3855c659 | 2171 | SetFileAttributes |
2172 | (wname, GetFileAttributes (wname) & ~FILE_ATTRIBUTE_READONLY); | |
7db1ef17 | 2173 | #elif ! defined (__vxworks) && ! defined(__nucleus__) |
8cb516d7 | 2174 | GNAT_STRUCT_STAT statbuf; |
9dfe12ae | 2175 | |
8cb516d7 | 2176 | if (GNAT_STAT (name, &statbuf) == 0) |
0e9e8338 | 2177 | { |
2178 | statbuf.st_mode = statbuf.st_mode | S_IWUSR; | |
2179 | chmod (name, statbuf.st_mode); | |
2180 | } | |
9dfe12ae | 2181 | #endif |
2182 | } | |
2183 | ||
5329ca64 | 2184 | void |
2185 | __gnat_set_executable (char *name) | |
2186 | { | |
7db1ef17 | 2187 | #if defined (_WIN32) && !defined (RTX) |
3855c659 | 2188 | TCHAR wname [GNAT_MAX_PATH_LEN + 2]; |
2189 | ||
57ecb969 | 2190 | S2WSC (wname, name, GNAT_MAX_PATH_LEN + 2); |
2191 | ||
2192 | if (__gnat_can_use_acl (wname)) | |
2193 | __gnat_set_OWNER_ACL (wname, GRANT_ACCESS, FILE_GENERIC_EXECUTE); | |
3855c659 | 2194 | |
7db1ef17 | 2195 | #elif ! defined (__vxworks) && ! defined(__nucleus__) |
8cb516d7 | 2196 | GNAT_STRUCT_STAT statbuf; |
5329ca64 | 2197 | |
8cb516d7 | 2198 | if (GNAT_STAT (name, &statbuf) == 0) |
0e9e8338 | 2199 | { |
2200 | statbuf.st_mode = statbuf.st_mode | S_IXUSR; | |
2201 | chmod (name, statbuf.st_mode); | |
2202 | } | |
5329ca64 | 2203 | #endif |
2204 | } | |
2205 | ||
9dfe12ae | 2206 | void |
2ab009c7 | 2207 | __gnat_set_non_writable (char *name) |
9dfe12ae | 2208 | { |
7db1ef17 | 2209 | #if defined (_WIN32) && !defined (RTX) |
3855c659 | 2210 | TCHAR wname [GNAT_MAX_PATH_LEN + 2]; |
2211 | ||
f60cc57d | 2212 | S2WSC (wname, name, GNAT_MAX_PATH_LEN + 2); |
3855c659 | 2213 | |
57ecb969 | 2214 | if (__gnat_can_use_acl (wname)) |
2726b813 | 2215 | __gnat_set_OWNER_ACL |
2216 | (wname, DENY_ACCESS, | |
2217 | FILE_WRITE_DATA | FILE_APPEND_DATA | | |
2218 | FILE_WRITE_EA | FILE_WRITE_ATTRIBUTES); | |
2219 | ||
3855c659 | 2220 | SetFileAttributes |
2221 | (wname, GetFileAttributes (wname) | FILE_ATTRIBUTE_READONLY); | |
7db1ef17 | 2222 | #elif ! defined (__vxworks) && ! defined(__nucleus__) |
8cb516d7 | 2223 | GNAT_STRUCT_STAT statbuf; |
9dfe12ae | 2224 | |
8cb516d7 | 2225 | if (GNAT_STAT (name, &statbuf) == 0) |
0b3929a6 | 2226 | { |
2227 | statbuf.st_mode = statbuf.st_mode & 07577; | |
2228 | chmod (name, statbuf.st_mode); | |
2229 | } | |
2230 | #endif | |
2231 | } | |
2232 | ||
2233 | void | |
2234 | __gnat_set_readable (char *name) | |
2235 | { | |
2236 | #if defined (_WIN32) && !defined (RTX) | |
2237 | TCHAR wname [GNAT_MAX_PATH_LEN + 2]; | |
2238 | ||
57ecb969 | 2239 | S2WSC (wname, name, GNAT_MAX_PATH_LEN + 2); |
2240 | ||
2241 | if (__gnat_can_use_acl (wname)) | |
2242 | __gnat_set_OWNER_ACL (wname, GRANT_ACCESS, FILE_GENERIC_READ); | |
0b3929a6 | 2243 | |
e31ad175 | 2244 | #elif ! defined (__vxworks) && ! defined(__nucleus__) |
8cb516d7 | 2245 | GNAT_STRUCT_STAT statbuf; |
0b3929a6 | 2246 | |
8cb516d7 | 2247 | if (GNAT_STAT (name, &statbuf) == 0) |
0b3929a6 | 2248 | { |
2249 | chmod (name, statbuf.st_mode | S_IREAD); | |
2250 | } | |
2251 | #endif | |
2252 | } | |
2253 | ||
2254 | void | |
2255 | __gnat_set_non_readable (char *name) | |
2256 | { | |
2257 | #if defined (_WIN32) && !defined (RTX) | |
2258 | TCHAR wname [GNAT_MAX_PATH_LEN + 2]; | |
2259 | ||
57ecb969 | 2260 | S2WSC (wname, name, GNAT_MAX_PATH_LEN + 2); |
2261 | ||
2262 | if (__gnat_can_use_acl (wname)) | |
2263 | __gnat_set_OWNER_ACL (wname, DENY_ACCESS, FILE_GENERIC_READ); | |
0b3929a6 | 2264 | |
e31ad175 | 2265 | #elif ! defined (__vxworks) && ! defined(__nucleus__) |
8cb516d7 | 2266 | GNAT_STRUCT_STAT statbuf; |
0b3929a6 | 2267 | |
8cb516d7 | 2268 | if (GNAT_STAT (name, &statbuf) == 0) |
0b3929a6 | 2269 | { |
2270 | chmod (name, statbuf.st_mode & (~S_IREAD)); | |
2271 | } | |
9dfe12ae | 2272 | #endif |
2273 | } | |
2274 | ||
2275 | int | |
5f93bcbf | 2276 | __gnat_is_symbolic_link_attr (char* name, struct file_attributes* attr) |
9dfe12ae | 2277 | { |
bce992c9 | 2278 | if (attr->symbolic_link == ATTR_UNSET) { |
5091bc2f | 2279 | #if defined (__vxworks) || defined (__nucleus__) |
5f93bcbf | 2280 | attr->symbolic_link = 0; |
9dfe12ae | 2281 | |
8e761191 | 2282 | #elif defined (_AIX) || defined (__APPLE__) || defined (__unix__) |
5f93bcbf | 2283 | int ret; |
2284 | GNAT_STRUCT_STAT statbuf; | |
2285 | ret = GNAT_LSTAT (name, &statbuf); | |
2286 | attr->symbolic_link = (!ret && S_ISLNK (statbuf.st_mode)); | |
9dfe12ae | 2287 | #else |
5f93bcbf | 2288 | attr->symbolic_link = 0; |
9dfe12ae | 2289 | #endif |
5f93bcbf | 2290 | } |
2291 | return attr->symbolic_link; | |
2292 | } | |
2293 | ||
2294 | int | |
2295 | __gnat_is_symbolic_link (char *name ATTRIBUTE_UNUSED) | |
2296 | { | |
2297 | struct file_attributes attr; | |
d2697a05 | 2298 | __gnat_reset_attributes (&attr); |
5f93bcbf | 2299 | return __gnat_is_symbolic_link_attr (name, &attr); |
2300 | ||
9dfe12ae | 2301 | } |
2302 | ||
1fac938e | 2303 | #if defined (sun) && defined (__SVR4) |
2304 | /* Using fork on Solaris will duplicate all the threads. fork1, which | |
2305 | duplicates only the active thread, must be used instead, or spawning | |
2306 | subprocess from a program with tasking will lead into numerous problems. */ | |
2307 | #define fork fork1 | |
2308 | #endif | |
2309 | ||
2310 | int | |
9dfe12ae | 2311 | __gnat_portable_spawn (char *args[]) |
1fac938e | 2312 | { |
2313 | int status = 0; | |
f0a28ccb | 2314 | int finished ATTRIBUTE_UNUSED; |
2315 | int pid ATTRIBUTE_UNUSED; | |
1fac938e | 2316 | |
e2a33c18 | 2317 | #if defined (__vxworks) || defined(__nucleus__) || defined(RTX) |
2318 | return -1; | |
2319 | ||
30592778 | 2320 | #elif defined (_WIN32) |
f270dc82 | 2321 | /* args[0] must be quotes as it could contain a full pathname with spaces */ |
38750fcd | 2322 | char *args_0 = args[0]; |
f270dc82 | 2323 | args[0] = (char *)xmalloc (strlen (args_0) + 3); |
2324 | strcpy (args[0], "\""); | |
2325 | strcat (args[0], args_0); | |
2326 | strcat (args[0], "\""); | |
2327 | ||
0b9eca83 | 2328 | status = spawnvp (P_WAIT, args_0, (const char* const*)args); |
f270dc82 | 2329 | |
2330 | /* restore previous value */ | |
2331 | free (args[0]); | |
8e761191 | 2332 | args[0] = (char *)args_0; |
f270dc82 | 2333 | |
1fac938e | 2334 | if (status < 0) |
f15731c4 | 2335 | return -1; |
1fac938e | 2336 | else |
2337 | return status; | |
2338 | ||
1fac938e | 2339 | #else |
2340 | ||
1fac938e | 2341 | pid = fork (); |
f15731c4 | 2342 | if (pid < 0) |
2343 | return -1; | |
1fac938e | 2344 | |
f15731c4 | 2345 | if (pid == 0) |
2346 | { | |
2347 | /* The child. */ | |
6d9c3443 | 2348 | if (execv (args[0], MAYBE_TO_PTR32 (args)) != 0) |
f15731c4 | 2349 | #if defined (VMS) |
69d33a1d | 2350 | return -1; /* execv is in parent context on VMS. */ |
f15731c4 | 2351 | #else |
69d33a1d | 2352 | _exit (1); |
f15731c4 | 2353 | #endif |
2354 | } | |
1fac938e | 2355 | |
f15731c4 | 2356 | /* The parent. */ |
1fac938e | 2357 | finished = waitpid (pid, &status, 0); |
2358 | ||
2359 | if (finished != pid || WIFEXITED (status) == 0) | |
f15731c4 | 2360 | return -1; |
1fac938e | 2361 | |
2362 | return WEXITSTATUS (status); | |
2363 | #endif | |
f15731c4 | 2364 | |
1fac938e | 2365 | return 0; |
2366 | } | |
2367 | ||
8e761191 | 2368 | /* Create a copy of the given file descriptor. |
2369 | Return -1 if an error occurred. */ | |
2370 | ||
2371 | int | |
2372 | __gnat_dup (int oldfd) | |
2373 | { | |
8ffbc401 | 2374 | #if defined (__vxworks) && !defined (__RTP__) |
2375 | /* Not supported on VxWorks 5.x, but supported on VxWorks 6.0 when using | |
2376 | RTPs. */ | |
2377 | return -1; | |
8e761191 | 2378 | #else |
8ffbc401 | 2379 | return dup (oldfd); |
8e761191 | 2380 | #endif |
2381 | } | |
2382 | ||
2383 | /* Make newfd be the copy of oldfd, closing newfd first if necessary. | |
5e947a95 | 2384 | Return -1 if an error occurred. */ |
8e761191 | 2385 | |
2386 | int | |
2387 | __gnat_dup2 (int oldfd, int newfd) | |
2388 | { | |
8ffbc401 | 2389 | #if defined (__vxworks) && !defined (__RTP__) |
2390 | /* Not supported on VxWorks 5.x, but supported on VxWorks 6.0 when using | |
2391 | RTPs. */ | |
8e761191 | 2392 | return -1; |
2393 | #else | |
2394 | return dup2 (oldfd, newfd); | |
2395 | #endif | |
2396 | } | |
2397 | ||
ed8e5b83 | 2398 | int |
2399 | __gnat_number_of_cpus (void) | |
2400 | { | |
2401 | int cores = 1; | |
2402 | ||
f7479d84 | 2403 | #if defined (linux) || defined (sun) || defined (AIX) \ |
2404 | || (defined (__alpha__) && defined (_osf_)) || defined (__APPLE__) | |
2405 | cores = (int) sysconf (_SC_NPROCESSORS_ONLN); | |
90bc406c | 2406 | |
2407 | #elif (defined (__mips) && defined (__sgi)) | |
f7479d84 | 2408 | cores = (int) sysconf (_SC_NPROC_ONLN); |
90bc406c | 2409 | |
2410 | #elif defined (__hpux__) | |
f7479d84 | 2411 | struct pst_dynamic psd; |
2412 | if (pstat_getdynamic (&psd, sizeof (psd), 1, 0) != -1) | |
2413 | cores = (int) psd.psd_proc_cnt; | |
90bc406c | 2414 | |
ee0d6223 | 2415 | #elif defined (_WIN32) |
2416 | SYSTEM_INFO sysinfo; | |
2417 | GetSystemInfo (&sysinfo); | |
2418 | cores = (int) sysinfo.dwNumberOfProcessors; | |
9b1d6aeb | 2419 | |
2420 | #elif defined (VMS) | |
2421 | int code = SYI$_ACTIVECPU_CNT; | |
2422 | unsigned int res; | |
2423 | int status; | |
2424 | ||
2425 | status = LIB$GETSYI (&code, &res); | |
2426 | if ((status & 1) != 0) | |
2427 | cores = res; | |
ed8e5b83 | 2428 | #endif |
2429 | ||
2430 | return cores; | |
2431 | } | |
2432 | ||
f15731c4 | 2433 | /* WIN32 code to implement a wait call that wait for any child process. */ |
2434 | ||
e2a33c18 | 2435 | #if defined (_WIN32) && !defined (RTX) |
1fac938e | 2436 | |
2437 | /* Synchronization code, to be thread safe. */ | |
2438 | ||
51fa65dc | 2439 | #ifdef CERT |
1fac938e | 2440 | |
51fa65dc | 2441 | /* For the Cert run times on native Windows we use dummy functions |
2442 | for locking and unlocking tasks since we do not support multiple | |
2443 | threads on this configuration (Cert run time on native Windows). */ | |
1fac938e | 2444 | |
51fa65dc | 2445 | void dummy (void) {} |
1fac938e | 2446 | |
51fa65dc | 2447 | void (*Lock_Task) () = &dummy; |
2448 | void (*Unlock_Task) () = &dummy; | |
2449 | ||
2450 | #else | |
2451 | ||
2452 | #define Lock_Task system__soft_links__lock_task | |
2453 | extern void (*Lock_Task) (void); | |
2454 | ||
2455 | #define Unlock_Task system__soft_links__unlock_task | |
2456 | extern void (*Unlock_Task) (void); | |
2457 | ||
2458 | #endif | |
1fac938e | 2459 | |
4c4697b8 | 2460 | static HANDLE *HANDLES_LIST = NULL; |
2461 | static int *PID_LIST = NULL, plist_length = 0, plist_max_length = 0; | |
1fac938e | 2462 | |
2463 | static void | |
14d22a3f | 2464 | add_handle (HANDLE h, int pid) |
1fac938e | 2465 | { |
1fac938e | 2466 | |
1fac938e | 2467 | /* -------------------- critical section -------------------- */ |
51fa65dc | 2468 | (*Lock_Task) (); |
2469 | ||
4c4697b8 | 2470 | if (plist_length == plist_max_length) |
2471 | { | |
2472 | plist_max_length += 1000; | |
2473 | HANDLES_LIST = | |
2474 | xrealloc (HANDLES_LIST, sizeof (HANDLE) * plist_max_length); | |
2475 | PID_LIST = | |
2476 | xrealloc (PID_LIST, sizeof (int) * plist_max_length); | |
2477 | } | |
2478 | ||
2479 | HANDLES_LIST[plist_length] = h; | |
14d22a3f | 2480 | PID_LIST[plist_length] = pid; |
1fac938e | 2481 | ++plist_length; |
1fac938e | 2482 | |
51fa65dc | 2483 | (*Unlock_Task) (); |
2484 | /* -------------------- critical section -------------------- */ | |
1fac938e | 2485 | } |
2486 | ||
4c4697b8 | 2487 | void |
2488 | __gnat_win32_remove_handle (HANDLE h, int pid) | |
1fac938e | 2489 | { |
4c4697b8 | 2490 | int j; |
1fac938e | 2491 | |
1fac938e | 2492 | /* -------------------- critical section -------------------- */ |
51fa65dc | 2493 | (*Lock_Task) (); |
2494 | ||
4c4697b8 | 2495 | for (j = 0; j < plist_length; j++) |
1fac938e | 2496 | { |
4c4697b8 | 2497 | if ((HANDLES_LIST[j] == h) || (PID_LIST[j] == pid)) |
1fac938e | 2498 | { |
4c4697b8 | 2499 | CloseHandle (h); |
2500 | --plist_length; | |
2501 | HANDLES_LIST[j] = HANDLES_LIST[plist_length]; | |
2502 | PID_LIST[j] = PID_LIST[plist_length]; | |
1fac938e | 2503 | break; |
2504 | } | |
1fac938e | 2505 | } |
2506 | ||
51fa65dc | 2507 | (*Unlock_Task) (); |
2508 | /* -------------------- critical section -------------------- */ | |
1fac938e | 2509 | } |
2510 | ||
14d22a3f | 2511 | static void |
2512 | win32_no_block_spawn (char *command, char *args[], HANDLE *h, int *pid) | |
1fac938e | 2513 | { |
2514 | BOOL result; | |
2515 | STARTUPINFO SI; | |
2516 | PROCESS_INFORMATION PI; | |
2517 | SECURITY_ATTRIBUTES SA; | |
f15731c4 | 2518 | int csize = 1; |
2519 | char *full_command; | |
1fac938e | 2520 | int k; |
2521 | ||
f15731c4 | 2522 | /* compute the total command line length */ |
2523 | k = 0; | |
2524 | while (args[k]) | |
2525 | { | |
2526 | csize += strlen (args[k]) + 1; | |
2527 | k++; | |
2528 | } | |
2529 | ||
2530 | full_command = (char *) xmalloc (csize); | |
2531 | ||
1fac938e | 2532 | /* Startup info. */ |
2533 | SI.cb = sizeof (STARTUPINFO); | |
2534 | SI.lpReserved = NULL; | |
2535 | SI.lpReserved2 = NULL; | |
2536 | SI.lpDesktop = NULL; | |
2537 | SI.cbReserved2 = 0; | |
2538 | SI.lpTitle = NULL; | |
2539 | SI.dwFlags = 0; | |
2540 | SI.wShowWindow = SW_HIDE; | |
2541 | ||
2542 | /* Security attributes. */ | |
2543 | SA.nLength = sizeof (SECURITY_ATTRIBUTES); | |
2544 | SA.bInheritHandle = TRUE; | |
2545 | SA.lpSecurityDescriptor = NULL; | |
2546 | ||
2547 | /* Prepare the command string. */ | |
2548 | strcpy (full_command, command); | |
2549 | strcat (full_command, " "); | |
2550 | ||
2551 | k = 1; | |
2552 | while (args[k]) | |
2553 | { | |
2554 | strcat (full_command, args[k]); | |
2555 | strcat (full_command, " "); | |
2556 | k++; | |
2557 | } | |
2558 | ||
3b18b370 | 2559 | { |
2560 | int wsize = csize * 2; | |
2561 | TCHAR *wcommand = (TCHAR *) xmalloc (wsize); | |
2562 | ||
f60cc57d | 2563 | S2WSC (wcommand, full_command, wsize); |
3b18b370 | 2564 | |
2565 | free (full_command); | |
1fac938e | 2566 | |
3b18b370 | 2567 | result = CreateProcess |
2568 | (NULL, wcommand, &SA, NULL, TRUE, | |
2569 | GetPriorityClass (GetCurrentProcess()), NULL, NULL, &SI, &PI); | |
2570 | ||
2571 | free (wcommand); | |
2572 | } | |
f15731c4 | 2573 | |
1fac938e | 2574 | if (result == TRUE) |
2575 | { | |
1fac938e | 2576 | CloseHandle (PI.hThread); |
14d22a3f | 2577 | *h = PI.hProcess; |
2578 | *pid = PI.dwProcessId; | |
1fac938e | 2579 | } |
2580 | else | |
14d22a3f | 2581 | { |
2582 | *h = NULL; | |
2583 | *pid = 0; | |
2584 | } | |
1fac938e | 2585 | } |
2586 | ||
2587 | static int | |
9dfe12ae | 2588 | win32_wait (int *status) |
1fac938e | 2589 | { |
4c4697b8 | 2590 | DWORD exitcode, pid; |
1fac938e | 2591 | HANDLE *hl; |
2592 | HANDLE h; | |
2593 | DWORD res; | |
2594 | int k; | |
e41b023d | 2595 | int hl_len; |
1fac938e | 2596 | |
2597 | if (plist_length == 0) | |
2598 | { | |
2599 | errno = ECHILD; | |
2600 | return -1; | |
2601 | } | |
2602 | ||
1fac938e | 2603 | k = 0; |
51fa65dc | 2604 | |
2605 | /* -------------------- critical section -------------------- */ | |
2606 | (*Lock_Task) (); | |
1fac938e | 2607 | |
e41b023d | 2608 | hl_len = plist_length; |
2609 | ||
e41b023d | 2610 | hl = (HANDLE *) xmalloc (sizeof (HANDLE) * hl_len); |
2611 | ||
4c4697b8 | 2612 | memmove (hl, HANDLES_LIST, sizeof (HANDLE) * hl_len); |
1fac938e | 2613 | |
51fa65dc | 2614 | (*Unlock_Task) (); |
2615 | /* -------------------- critical section -------------------- */ | |
1fac938e | 2616 | |
e41b023d | 2617 | res = WaitForMultipleObjects (hl_len, hl, FALSE, INFINITE); |
f15731c4 | 2618 | h = hl[res - WAIT_OBJECT_0]; |
1fac938e | 2619 | |
2620 | GetExitCodeProcess (h, &exitcode); | |
14d22a3f | 2621 | pid = PID_LIST [res - WAIT_OBJECT_0]; |
4c4697b8 | 2622 | __gnat_win32_remove_handle (h, -1); |
2623 | ||
2624 | free (hl); | |
1fac938e | 2625 | |
2626 | *status = (int) exitcode; | |
4c4697b8 | 2627 | return (int) pid; |
1fac938e | 2628 | } |
2629 | ||
2630 | #endif | |
2631 | ||
2632 | int | |
9dfe12ae | 2633 | __gnat_portable_no_block_spawn (char *args[]) |
1fac938e | 2634 | { |
1fac938e | 2635 | |
e2a33c18 | 2636 | #if defined (__vxworks) || defined (__nucleus__) || defined (RTX) |
2637 | return -1; | |
2638 | ||
1fac938e | 2639 | #elif defined (_WIN32) |
2640 | ||
4c4697b8 | 2641 | HANDLE h = NULL; |
14d22a3f | 2642 | int pid; |
4c4697b8 | 2643 | |
14d22a3f | 2644 | win32_no_block_spawn (args[0], args, &h, &pid); |
4c4697b8 | 2645 | if (h != NULL) |
5d56d161 | 2646 | { |
14d22a3f | 2647 | add_handle (h, pid); |
2648 | return pid; | |
5d56d161 | 2649 | } |
2650 | else | |
2651 | return -1; | |
1fac938e | 2652 | |
1fac938e | 2653 | #else |
4c4697b8 | 2654 | |
2655 | int pid = fork (); | |
1fac938e | 2656 | |
f15731c4 | 2657 | if (pid == 0) |
2658 | { | |
2659 | /* The child. */ | |
6d9c3443 | 2660 | if (execv (args[0], MAYBE_TO_PTR32 (args)) != 0) |
f15731c4 | 2661 | #if defined (VMS) |
69d33a1d | 2662 | return -1; /* execv is in parent context on VMS. */ |
9dfe12ae | 2663 | #else |
69d33a1d | 2664 | _exit (1); |
f15731c4 | 2665 | #endif |
2666 | } | |
2667 | ||
1fac938e | 2668 | return pid; |
4c4697b8 | 2669 | |
2670 | #endif | |
1fac938e | 2671 | } |
2672 | ||
2673 | int | |
9dfe12ae | 2674 | __gnat_portable_wait (int *process_status) |
1fac938e | 2675 | { |
2676 | int status = 0; | |
2677 | int pid = 0; | |
2678 | ||
e2a33c18 | 2679 | #if defined (__vxworks) || defined (__nucleus__) || defined (RTX) |
30592778 | 2680 | /* Not sure what to do here, so do nothing but return zero. */ |
e2a33c18 | 2681 | |
2682 | #elif defined (_WIN32) | |
1fac938e | 2683 | |
2684 | pid = win32_wait (&status); | |
2685 | ||
1fac938e | 2686 | #else |
2687 | ||
1fac938e | 2688 | pid = waitpid (-1, &status, 0); |
1fac938e | 2689 | status = status & 0xffff; |
2690 | #endif | |
2691 | ||
2692 | *process_status = status; | |
2693 | return pid; | |
2694 | } | |
2695 | ||
2696 | void | |
9dfe12ae | 2697 | __gnat_os_exit (int status) |
1fac938e | 2698 | { |
1fac938e | 2699 | exit (status); |
1fac938e | 2700 | } |
2701 | ||
f15731c4 | 2702 | /* Locate a regular file, give a Path value. */ |
1fac938e | 2703 | |
2704 | char * | |
9dfe12ae | 2705 | __gnat_locate_regular_file (char *file_name, char *path_val) |
1fac938e | 2706 | { |
2707 | char *ptr; | |
5703e222 | 2708 | char *file_path = (char *) alloca (strlen (file_name) + 1); |
c69ba469 | 2709 | int absolute; |
2710 | ||
b51bcb1c | 2711 | /* Return immediately if file_name is empty */ |
2712 | ||
2713 | if (*file_name == '\0') | |
2714 | return 0; | |
2715 | ||
c69ba469 | 2716 | /* Remove quotes around file_name if present */ |
2717 | ||
2718 | ptr = file_name; | |
2719 | if (*ptr == '"') | |
2720 | ptr++; | |
2721 | ||
2722 | strcpy (file_path, ptr); | |
2723 | ||
2724 | ptr = file_path + strlen (file_path) - 1; | |
2725 | ||
2726 | if (*ptr == '"') | |
2727 | *ptr = '\0'; | |
1fac938e | 2728 | |
f15731c4 | 2729 | /* Handle absolute pathnames. */ |
c69ba469 | 2730 | |
2731 | absolute = __gnat_is_absolute_path (file_path, strlen (file_name)); | |
2732 | ||
9dfe12ae | 2733 | if (absolute) |
2734 | { | |
c69ba469 | 2735 | if (__gnat_is_regular_file (file_path)) |
2736 | return xstrdup (file_path); | |
9dfe12ae | 2737 | |
2738 | return 0; | |
2739 | } | |
2740 | ||
2741 | /* If file_name include directory separator(s), try it first as | |
2742 | a path name relative to the current directory */ | |
1fac938e | 2743 | for (ptr = file_name; *ptr && *ptr != '/' && *ptr != DIR_SEPARATOR; ptr++) |
2744 | ; | |
2745 | ||
9dfe12ae | 2746 | if (*ptr != 0) |
1fac938e | 2747 | { |
2748 | if (__gnat_is_regular_file (file_name)) | |
2749 | return xstrdup (file_name); | |
1fac938e | 2750 | } |
2751 | ||
2752 | if (path_val == 0) | |
2753 | return 0; | |
2754 | ||
2755 | { | |
2756 | /* The result has to be smaller than path_val + file_name. */ | |
d9c927cc | 2757 | char *file_path = |
2758 | (char *) alloca (strlen (path_val) + strlen (file_name) + 2); | |
1fac938e | 2759 | |
2760 | for (;;) | |
2761 | { | |
c69ba469 | 2762 | /* Skip the starting quote */ |
2763 | ||
2764 | if (*path_val == '"') | |
69d33a1d | 2765 | path_val++; |
c69ba469 | 2766 | |
1fac938e | 2767 | for (ptr = file_path; *path_val && *path_val != PATH_SEPARATOR; ) |
69d33a1d | 2768 | *ptr++ = *path_val++; |
1fac938e | 2769 | |
5c182b3b | 2770 | /* If directory is empty, it is the current directory*/ |
2771 | ||
2772 | if (ptr == file_path) | |
2773 | { | |
2774 | *ptr = '.'; | |
2775 | } | |
2776 | else | |
2777 | ptr--; | |
c69ba469 | 2778 | |
2779 | /* Skip the ending quote */ | |
2780 | ||
2781 | if (*ptr == '"') | |
69d33a1d | 2782 | ptr--; |
c69ba469 | 2783 | |
1fac938e | 2784 | if (*ptr != '/' && *ptr != DIR_SEPARATOR) |
2785 | *++ptr = DIR_SEPARATOR; | |
2786 | ||
2787 | strcpy (++ptr, file_name); | |
2788 | ||
2789 | if (__gnat_is_regular_file (file_path)) | |
2790 | return xstrdup (file_path); | |
5c182b3b | 2791 | |
2792 | if (*path_val == 0) | |
2793 | return 0; | |
2794 | ||
2795 | /* Skip path separator */ | |
2796 | ||
2797 | path_val++; | |
1fac938e | 2798 | } |
2799 | } | |
2800 | ||
2801 | return 0; | |
2802 | } | |
2803 | ||
1fac938e | 2804 | /* Locate an executable given a Path argument. This routine is only used by |
2805 | gnatbl and should not be used otherwise. Use locate_exec_on_path | |
f15731c4 | 2806 | instead. */ |
1fac938e | 2807 | |
2808 | char * | |
9dfe12ae | 2809 | __gnat_locate_exec (char *exec_name, char *path_val) |
1fac938e | 2810 | { |
fb31b465 | 2811 | char *ptr; |
1fac938e | 2812 | if (!strstr (exec_name, HOST_EXECUTABLE_SUFFIX)) |
2813 | { | |
d9c927cc | 2814 | char *full_exec_name = |
2815 | (char *) alloca | |
2816 | (strlen (exec_name) + strlen (HOST_EXECUTABLE_SUFFIX) + 1); | |
1fac938e | 2817 | |
2818 | strcpy (full_exec_name, exec_name); | |
2819 | strcat (full_exec_name, HOST_EXECUTABLE_SUFFIX); | |
fb31b465 | 2820 | ptr = __gnat_locate_regular_file (full_exec_name, path_val); |
2821 | ||
2822 | if (ptr == 0) | |
2823 | return __gnat_locate_regular_file (exec_name, path_val); | |
2824 | return ptr; | |
1fac938e | 2825 | } |
2826 | else | |
2827 | return __gnat_locate_regular_file (exec_name, path_val); | |
2828 | } | |
2829 | ||
f15731c4 | 2830 | /* Locate an executable using the Systems default PATH. */ |
1fac938e | 2831 | |
2832 | char * | |
9dfe12ae | 2833 | __gnat_locate_exec_on_path (char *exec_name) |
1fac938e | 2834 | { |
9dfe12ae | 2835 | char *apath_val; |
3b18b370 | 2836 | |
e2a33c18 | 2837 | #if defined (_WIN32) && !defined (RTX) |
3b18b370 | 2838 | TCHAR *wpath_val = _tgetenv (_T("PATH")); |
2839 | TCHAR *wapath_val; | |
9dfe12ae | 2840 | /* In Win32 systems we expand the PATH as for XP environment |
c69ba469 | 2841 | variables are not automatically expanded. We also prepend the |
2842 | ".;" to the path to match normal NT path search semantics */ | |
9dfe12ae | 2843 | |
c69ba469 | 2844 | #define EXPAND_BUFFER_SIZE 32767 |
9dfe12ae | 2845 | |
3b18b370 | 2846 | wapath_val = alloca (EXPAND_BUFFER_SIZE); |
c69ba469 | 2847 | |
3b18b370 | 2848 | wapath_val [0] = '.'; |
2849 | wapath_val [1] = ';'; | |
1fac938e | 2850 | |
c69ba469 | 2851 | DWORD res = ExpandEnvironmentStrings |
3b18b370 | 2852 | (wpath_val, &wapath_val[2], EXPAND_BUFFER_SIZE - 2); |
2853 | ||
2854 | if (!res) wapath_val [0] = _T('\0'); | |
2855 | ||
2856 | apath_val = alloca (EXPAND_BUFFER_SIZE); | |
2857 | ||
f60cc57d | 2858 | WS2SC (apath_val, wapath_val, EXPAND_BUFFER_SIZE); |
3b18b370 | 2859 | return __gnat_locate_exec (exec_name, apath_val); |
c69ba469 | 2860 | |
c69ba469 | 2861 | #else |
3b18b370 | 2862 | |
2863 | #ifdef VMS | |
2864 | char *path_val = "/VAXC$PATH"; | |
2865 | #else | |
2866 | char *path_val = getenv ("PATH"); | |
2867 | #endif | |
e2c62f37 | 2868 | if (path_val == NULL) return NULL; |
5703e222 | 2869 | apath_val = (char *) alloca (strlen (path_val) + 1); |
1fac938e | 2870 | strcpy (apath_val, path_val); |
2871 | return __gnat_locate_exec (exec_name, apath_val); | |
3b18b370 | 2872 | #endif |
1fac938e | 2873 | } |
2874 | ||
2875 | #ifdef VMS | |
2876 | ||
2877 | /* These functions are used to translate to and from VMS and Unix syntax | |
f15731c4 | 2878 | file, directory and path specifications. */ |
1fac938e | 2879 | |
9dfe12ae | 2880 | #define MAXPATH 256 |
1fac938e | 2881 | #define MAXNAMES 256 |
2882 | #define NEW_CANONICAL_FILELIST_INCREMENT 64 | |
2883 | ||
9dfe12ae | 2884 | static char new_canonical_dirspec [MAXPATH]; |
2885 | static char new_canonical_filespec [MAXPATH]; | |
2886 | static char new_canonical_pathspec [MAXNAMES*MAXPATH]; | |
1fac938e | 2887 | static unsigned new_canonical_filelist_index; |
2888 | static unsigned new_canonical_filelist_in_use; | |
2889 | static unsigned new_canonical_filelist_allocated; | |
2890 | static char **new_canonical_filelist; | |
9dfe12ae | 2891 | static char new_host_pathspec [MAXNAMES*MAXPATH]; |
2892 | static char new_host_dirspec [MAXPATH]; | |
2893 | static char new_host_filespec [MAXPATH]; | |
1fac938e | 2894 | |
2895 | /* Routine is called repeatedly by decc$from_vms via | |
9dfe12ae | 2896 | __gnat_to_canonical_file_list_init until it returns 0 or the expansion |
2897 | runs out. */ | |
1fac938e | 2898 | |
2899 | static int | |
9dfe12ae | 2900 | wildcard_translate_unix (char *name) |
1fac938e | 2901 | { |
2902 | char *ver; | |
9dfe12ae | 2903 | char buff [MAXPATH]; |
1fac938e | 2904 | |
9dfe12ae | 2905 | strncpy (buff, name, MAXPATH); |
2906 | buff [MAXPATH - 1] = (char) 0; | |
1fac938e | 2907 | ver = strrchr (buff, '.'); |
2908 | ||
f15731c4 | 2909 | /* Chop off the version. */ |
1fac938e | 2910 | if (ver) |
2911 | *ver = 0; | |
2912 | ||
f15731c4 | 2913 | /* Dynamically extend the allocation by the increment. */ |
1fac938e | 2914 | if (new_canonical_filelist_in_use == new_canonical_filelist_allocated) |
2915 | { | |
2916 | new_canonical_filelist_allocated += NEW_CANONICAL_FILELIST_INCREMENT; | |
f15731c4 | 2917 | new_canonical_filelist = (char **) xrealloc |
69d33a1d | 2918 | (new_canonical_filelist, |
2919 | new_canonical_filelist_allocated * sizeof (char *)); | |
1fac938e | 2920 | } |
2921 | ||
2922 | new_canonical_filelist[new_canonical_filelist_in_use++] = xstrdup (buff); | |
2923 | ||
2924 | return 1; | |
2925 | } | |
2926 | ||
f15731c4 | 2927 | /* Translate a wildcard VMS file spec into a list of Unix file specs. First do |
2928 | full translation and copy the results into a list (_init), then return them | |
2929 | one at a time (_next). If onlydirs set, only expand directory files. */ | |
1fac938e | 2930 | |
2931 | int | |
9dfe12ae | 2932 | __gnat_to_canonical_file_list_init (char *filespec, int onlydirs) |
1fac938e | 2933 | { |
2934 | int len; | |
9dfe12ae | 2935 | char buff [MAXPATH]; |
1fac938e | 2936 | |
2937 | len = strlen (filespec); | |
9dfe12ae | 2938 | strncpy (buff, filespec, MAXPATH); |
2939 | ||
2940 | /* Only look for directories */ | |
2941 | if (onlydirs && !strstr (&buff [len-5], "*.dir")) | |
2942 | strncat (buff, "*.dir", MAXPATH); | |
1fac938e | 2943 | |
9dfe12ae | 2944 | buff [MAXPATH - 1] = (char) 0; |
1fac938e | 2945 | |
2946 | decc$from_vms (buff, wildcard_translate_unix, 1); | |
2947 | ||
f15731c4 | 2948 | /* Remove the .dir extension. */ |
1fac938e | 2949 | if (onlydirs) |
2950 | { | |
2951 | int i; | |
2952 | char *ext; | |
2953 | ||
2954 | for (i = 0; i < new_canonical_filelist_in_use; i++) | |
69d33a1d | 2955 | { |
2956 | ext = strstr (new_canonical_filelist[i], ".dir"); | |
2957 | if (ext) | |
2958 | *ext = 0; | |
2959 | } | |
1fac938e | 2960 | } |
2961 | ||
2962 | return new_canonical_filelist_in_use; | |
2963 | } | |
2964 | ||
f15731c4 | 2965 | /* Return the next filespec in the list. */ |
1fac938e | 2966 | |
2967 | char * | |
2968 | __gnat_to_canonical_file_list_next () | |
2969 | { | |
f15731c4 | 2970 | return new_canonical_filelist[new_canonical_filelist_index++]; |
1fac938e | 2971 | } |
2972 | ||
f15731c4 | 2973 | /* Free storage used in the wildcard expansion. */ |
1fac938e | 2974 | |
2975 | void | |
2976 | __gnat_to_canonical_file_list_free () | |
2977 | { | |
2978 | int i; | |
2979 | ||
2980 | for (i = 0; i < new_canonical_filelist_in_use; i++) | |
f15731c4 | 2981 | free (new_canonical_filelist[i]); |
1fac938e | 2982 | |
2983 | free (new_canonical_filelist); | |
2984 | ||
2985 | new_canonical_filelist_in_use = 0; | |
2986 | new_canonical_filelist_allocated = 0; | |
2987 | new_canonical_filelist_index = 0; | |
2988 | new_canonical_filelist = 0; | |
2989 | } | |
2990 | ||
b12d3a0b | 2991 | /* The functional equivalent of decc$translate_vms routine. |
2992 | Designed to produce the same output, but is protected against | |
2993 | malformed paths (original version ACCVIOs in this case) and | |
2994 | does not require VMS-specific DECC RTL */ | |
2995 | ||
2996 | #define NAM$C_MAXRSS 1024 | |
2997 | ||
2998 | char * | |
2999 | __gnat_translate_vms (char *src) | |
3000 | { | |
3001 | static char retbuf [NAM$C_MAXRSS+1]; | |
3002 | char *srcendpos, *pos1, *pos2, *retpos; | |
3003 | int disp, path_present = 0; | |
3004 | ||
3005 | if (!src) return NULL; | |
3006 | ||
3007 | srcendpos = strchr (src, '\0'); | |
3008 | retpos = retbuf; | |
3009 | ||
3010 | /* Look for the node and/or device in front of the path */ | |
3011 | pos1 = src; | |
3012 | pos2 = strchr (pos1, ':'); | |
3013 | ||
3014 | if (pos2 && (pos2 < srcendpos) && (*(pos2 + 1) == ':')) { | |
3015 | /* There is a node name. "node_name::" becomes "node_name!" */ | |
3016 | disp = pos2 - pos1; | |
3017 | strncpy (retbuf, pos1, disp); | |
3018 | retpos [disp] = '!'; | |
3019 | retpos = retpos + disp + 1; | |
3020 | pos1 = pos2 + 2; | |
3021 | pos2 = strchr (pos1, ':'); | |
3022 | } | |
3023 | ||
3024 | if (pos2) { | |
3025 | /* There is a device name. "dev_name:" becomes "/dev_name/" */ | |
3026 | *(retpos++) = '/'; | |
3027 | disp = pos2 - pos1; | |
3028 | strncpy (retpos, pos1, disp); | |
3029 | retpos = retpos + disp; | |
3030 | pos1 = pos2 + 1; | |
3031 | *(retpos++) = '/'; | |
3032 | } | |
3033 | else | |
3034 | /* No explicit device; we must look ahead and prepend /sys$disk/ if | |
3035 | the path is absolute */ | |
3036 | if ((*pos1 == '[' || *pos1 == '<') && (pos1 < srcendpos) | |
3037 | && !strchr (".-]>", *(pos1 + 1))) { | |
3038 | strncpy (retpos, "/sys$disk/", 10); | |
3039 | retpos += 10; | |
3040 | } | |
3041 | ||
3042 | /* Process the path part */ | |
3043 | while (*pos1 == '[' || *pos1 == '<') { | |
3044 | path_present++; | |
3045 | pos1++; | |
3046 | if (*pos1 == ']' || *pos1 == '>') { | |
3047 | /* Special case, [] translates to '.' */ | |
3048 | *(retpos++) = '.'; | |
3049 | pos1++; | |
3050 | } | |
3051 | else { | |
3052 | /* '[000000' means root dir. It can be present in the middle of | |
3053 | the path due to expansion of logical devices, in which case | |
3054 | we skip it */ | |
3055 | if (!strncmp (pos1, "000000", 6) && path_present > 1 && | |
3056 | (*(pos1 + 6) == ']' || *(pos1 + 6) == '>' || *(pos1 + 6) == '.')) { | |
3057 | pos1 += 6; | |
3058 | if (*pos1 == '.') pos1++; | |
3059 | } | |
3060 | else if (*pos1 == '.') { | |
3061 | /* Relative path */ | |
3062 | *(retpos++) = '.'; | |
3063 | } | |
3064 | ||
2359306a | 3065 | /* There is a qualified path */ |
3066 | while (*pos1 && *pos1 != ']' && *pos1 != '>') { | |
b12d3a0b | 3067 | switch (*pos1) { |
3068 | case '.': | |
3069 | /* '.' is used to separate directories. Replace it with '/' but | |
3070 | only if there isn't already '/' just before */ | |
3071 | if (*(retpos - 1) != '/') *(retpos++) = '/'; | |
3072 | pos1++; | |
3073 | if (pos1 + 1 < srcendpos && *pos1 == '.' && *(pos1 + 1) == '.') { | |
3074 | /* ellipsis refers to entire subtree; replace with '**' */ | |
3075 | *(retpos++) = '*'; *(retpos++) = '*'; *(retpos++) = '/'; | |
3076 | pos1 += 2; | |
3077 | } | |
3078 | break; | |
3079 | case '-' : | |
2359306a | 3080 | /* When after '.' '[' '<' is equivalent to Unix ".." but there |
3081 | may be several in a row */ | |
3082 | if (*(pos1 - 1) == '.' || *(pos1 - 1) == '[' || | |
3083 | *(pos1 - 1) == '<') { | |
3084 | while (*pos1 == '-') { | |
3085 | pos1++; | |
3086 | *(retpos++) = '.'; *(retpos++) = '.'; *(retpos++) = '/'; | |
3087 | } | |
3088 | retpos--; | |
3089 | break; | |
b12d3a0b | 3090 | } |
2359306a | 3091 | /* otherwise fall through to default */ |
b12d3a0b | 3092 | default: |
3093 | *(retpos++) = *(pos1++); | |
3094 | } | |
3095 | } | |
3096 | pos1++; | |
3097 | } | |
3098 | } | |
3099 | ||
3100 | if (pos1 < srcendpos) { | |
3101 | /* Now add the actual file name, until the version suffix if any */ | |
3102 | if (path_present) *(retpos++) = '/'; | |
3103 | pos2 = strchr (pos1, ';'); | |
3104 | disp = pos2? (pos2 - pos1) : (srcendpos - pos1); | |
3105 | strncpy (retpos, pos1, disp); | |
3106 | retpos += disp; | |
3107 | if (pos2 && pos2 < srcendpos) { | |
3108 | /* There is a non-empty version suffix. ";<ver>" becomes ".<ver>" */ | |
3109 | *retpos++ = '.'; | |
3110 | disp = srcendpos - pos2 - 1; | |
3111 | strncpy (retpos, pos2 + 1, disp); | |
3112 | retpos += disp; | |
3113 | } | |
3114 | } | |
3115 | ||
3116 | *retpos = '\0'; | |
3117 | ||
3118 | return retbuf; | |
3119 | ||
3120 | } | |
3121 | ||
f15731c4 | 3122 | /* Translate a VMS syntax directory specification in to Unix syntax. If |
3123 | PREFIXFLAG is set, append an underscore "/". If no indicators of VMS syntax | |
3124 | found, return input string. Also translate a dirname that contains no | |
3125 | slashes, in case it's a logical name. */ | |
1fac938e | 3126 | |
3127 | char * | |
9dfe12ae | 3128 | __gnat_to_canonical_dir_spec (char *dirspec, int prefixflag) |
1fac938e | 3129 | { |
3130 | int len; | |
3131 | ||
3132 | strcpy (new_canonical_dirspec, ""); | |
3133 | if (strlen (dirspec)) | |
3134 | { | |
3135 | char *dirspec1; | |
3136 | ||
3137 | if (strchr (dirspec, ']') || strchr (dirspec, ':')) | |
69d33a1d | 3138 | { |
3139 | strncpy (new_canonical_dirspec, | |
3140 | __gnat_translate_vms (dirspec), | |
3141 | MAXPATH); | |
3142 | } | |
1fac938e | 3143 | else if (!strchr (dirspec, '/') && (dirspec1 = getenv (dirspec)) != 0) |
69d33a1d | 3144 | { |
3145 | strncpy (new_canonical_dirspec, | |
3146 | __gnat_translate_vms (dirspec1), | |
3147 | MAXPATH); | |
3148 | } | |
1fac938e | 3149 | else |
69d33a1d | 3150 | { |
3151 | strncpy (new_canonical_dirspec, dirspec, MAXPATH); | |
3152 | } | |
1fac938e | 3153 | } |
3154 | ||
3155 | len = strlen (new_canonical_dirspec); | |
9dfe12ae | 3156 | if (prefixflag && new_canonical_dirspec [len-1] != '/') |
3157 | strncat (new_canonical_dirspec, "/", MAXPATH); | |
3158 | ||
3159 | new_canonical_dirspec [MAXPATH - 1] = (char) 0; | |
1fac938e | 3160 | |
3161 | return new_canonical_dirspec; | |
3162 | ||
3163 | } | |
3164 | ||
3165 | /* Translate a VMS syntax file specification into Unix syntax. | |
3cc2671a | 3166 | If no indicators of VMS syntax found, check if it's an uppercase |
23c6b287 | 3167 | alphanumeric_ name and if so try it out as an environment |
3168 | variable (logical name). If all else fails return the | |
3169 | input string. */ | |
1fac938e | 3170 | |
3171 | char * | |
9dfe12ae | 3172 | __gnat_to_canonical_file_spec (char *filespec) |
1fac938e | 3173 | { |
23c6b287 | 3174 | char *filespec1; |
3175 | ||
9dfe12ae | 3176 | strncpy (new_canonical_filespec, "", MAXPATH); |
3177 | ||
1fac938e | 3178 | if (strchr (filespec, ']') || strchr (filespec, ':')) |
9dfe12ae | 3179 | { |
2359306a | 3180 | char *tspec = (char *) __gnat_translate_vms (filespec); |
c69ba469 | 3181 | |
3182 | if (tspec != (char *) -1) | |
69d33a1d | 3183 | strncpy (new_canonical_filespec, tspec, MAXPATH); |
23c6b287 | 3184 | } |
3185 | else if ((strlen (filespec) == strspn (filespec, | |
69d33a1d | 3186 | "ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789_")) |
3187 | && (filespec1 = getenv (filespec))) | |
23c6b287 | 3188 | { |
2359306a | 3189 | char *tspec = (char *) __gnat_translate_vms (filespec1); |
c69ba469 | 3190 | |
3191 | if (tspec != (char *) -1) | |
69d33a1d | 3192 | strncpy (new_canonical_filespec, tspec, MAXPATH); |
9dfe12ae | 3193 | } |
1fac938e | 3194 | else |
9dfe12ae | 3195 | { |
3196 | strncpy (new_canonical_filespec, filespec, MAXPATH); | |
3197 | } | |
3198 | ||
3199 | new_canonical_filespec [MAXPATH - 1] = (char) 0; | |
1fac938e | 3200 | |
3201 | return new_canonical_filespec; | |
3202 | } | |
3203 | ||
3204 | /* Translate a VMS syntax path specification into Unix syntax. | |
f15731c4 | 3205 | If no indicators of VMS syntax found, return input string. */ |
1fac938e | 3206 | |
3207 | char * | |
9dfe12ae | 3208 | __gnat_to_canonical_path_spec (char *pathspec) |
1fac938e | 3209 | { |
9dfe12ae | 3210 | char *curr, *next, buff [MAXPATH]; |
1fac938e | 3211 | |
3212 | if (pathspec == 0) | |
3213 | return pathspec; | |
3214 | ||
f15731c4 | 3215 | /* If there are /'s, assume it's a Unix path spec and return. */ |
1fac938e | 3216 | if (strchr (pathspec, '/')) |
3217 | return pathspec; | |
3218 | ||
f15731c4 | 3219 | new_canonical_pathspec[0] = 0; |
1fac938e | 3220 | curr = pathspec; |
3221 | ||
3222 | for (;;) | |
3223 | { | |
3224 | next = strchr (curr, ','); | |
3225 | if (next == 0) | |
3226 | next = strchr (curr, 0); | |
3227 | ||
3228 | strncpy (buff, curr, next - curr); | |
f15731c4 | 3229 | buff[next - curr] = 0; |
1fac938e | 3230 | |
f15731c4 | 3231 | /* Check for wildcards and expand if present. */ |
1fac938e | 3232 | if (strchr (buff, '*') || strchr (buff, '%') || strstr (buff, "...")) |
3233 | { | |
3234 | int i, dirs; | |
3235 | ||
3236 | dirs = __gnat_to_canonical_file_list_init (buff, 1); | |
3237 | for (i = 0; i < dirs; i++) | |
3238 | { | |
3239 | char *next_dir; | |
3240 | ||
3241 | next_dir = __gnat_to_canonical_file_list_next (); | |
9dfe12ae | 3242 | strncat (new_canonical_pathspec, next_dir, MAXPATH); |
1fac938e | 3243 | |
f15731c4 | 3244 | /* Don't append the separator after the last expansion. */ |
1fac938e | 3245 | if (i+1 < dirs) |
9dfe12ae | 3246 | strncat (new_canonical_pathspec, ":", MAXPATH); |
1fac938e | 3247 | } |
3248 | ||
69d33a1d | 3249 | __gnat_to_canonical_file_list_free (); |
1fac938e | 3250 | } |
3251 | else | |
69d33a1d | 3252 | strncat (new_canonical_pathspec, |
3253 | __gnat_to_canonical_dir_spec (buff, 0), MAXPATH); | |
1fac938e | 3254 | |
3255 | if (*next == 0) | |
3256 | break; | |
3257 | ||
9dfe12ae | 3258 | strncat (new_canonical_pathspec, ":", MAXPATH); |
1fac938e | 3259 | curr = next + 1; |
3260 | } | |
3261 | ||
9dfe12ae | 3262 | new_canonical_pathspec [MAXPATH - 1] = (char) 0; |
3263 | ||
1fac938e | 3264 | return new_canonical_pathspec; |
3265 | } | |
3266 | ||
9dfe12ae | 3267 | static char filename_buff [MAXPATH]; |
1fac938e | 3268 | |
3269 | static int | |
9dfe12ae | 3270 | translate_unix (char *name, int type) |
1fac938e | 3271 | { |
9dfe12ae | 3272 | strncpy (filename_buff, name, MAXPATH); |
3273 | filename_buff [MAXPATH - 1] = (char) 0; | |
1fac938e | 3274 | return 0; |
3275 | } | |
3276 | ||
f15731c4 | 3277 | /* Translate a Unix syntax path spec into a VMS style (comma separated list of |
3278 | directories. */ | |
1fac938e | 3279 | |
3280 | static char * | |
9dfe12ae | 3281 | to_host_path_spec (char *pathspec) |
1fac938e | 3282 | { |
9dfe12ae | 3283 | char *curr, *next, buff [MAXPATH]; |
1fac938e | 3284 | |
3285 | if (pathspec == 0) | |
3286 | return pathspec; | |
3287 | ||
f15731c4 | 3288 | /* Can't very well test for colons, since that's the Unix separator! */ |
1fac938e | 3289 | if (strchr (pathspec, ']') || strchr (pathspec, ',')) |
3290 | return pathspec; | |
3291 | ||
f15731c4 | 3292 | new_host_pathspec[0] = 0; |
1fac938e | 3293 | curr = pathspec; |
3294 | ||
3295 | for (;;) | |
3296 | { | |
3297 | next = strchr (curr, ':'); | |
3298 | if (next == 0) | |
3299 | next = strchr (curr, 0); | |
3300 | ||
3301 | strncpy (buff, curr, next - curr); | |
f15731c4 | 3302 | buff[next - curr] = 0; |
1fac938e | 3303 | |
9dfe12ae | 3304 | strncat (new_host_pathspec, __gnat_to_host_dir_spec (buff, 0), MAXPATH); |
1fac938e | 3305 | if (*next == 0) |
3306 | break; | |
9dfe12ae | 3307 | strncat (new_host_pathspec, ",", MAXPATH); |
1fac938e | 3308 | curr = next + 1; |
3309 | } | |
3310 | ||
9dfe12ae | 3311 | new_host_pathspec [MAXPATH - 1] = (char) 0; |
3312 | ||
1fac938e | 3313 | return new_host_pathspec; |
3314 | } | |
3315 | ||
f15731c4 | 3316 | /* Translate a Unix syntax directory specification into VMS syntax. The |
3317 | PREFIXFLAG has no effect, but is kept for symmetry with | |
3318 | to_canonical_dir_spec. If indicators of VMS syntax found, return input | |
3319 | string. */ | |
1fac938e | 3320 | |
3321 | char * | |
9dfe12ae | 3322 | __gnat_to_host_dir_spec (char *dirspec, int prefixflag ATTRIBUTE_UNUSED) |
1fac938e | 3323 | { |
3324 | int len = strlen (dirspec); | |
3325 | ||
9dfe12ae | 3326 | strncpy (new_host_dirspec, dirspec, MAXPATH); |
3327 | new_host_dirspec [MAXPATH - 1] = (char) 0; | |
1fac938e | 3328 | |
3329 | if (strchr (new_host_dirspec, ']') || strchr (new_host_dirspec, ':')) | |
3330 | return new_host_dirspec; | |
3331 | ||
f15731c4 | 3332 | while (len > 1 && new_host_dirspec[len - 1] == '/') |
1fac938e | 3333 | { |
f15731c4 | 3334 | new_host_dirspec[len - 1] = 0; |
1fac938e | 3335 | len--; |
3336 | } | |
3337 | ||
3338 | decc$to_vms (new_host_dirspec, translate_unix, 1, 2); | |
9dfe12ae | 3339 | strncpy (new_host_dirspec, filename_buff, MAXPATH); |
3340 | new_host_dirspec [MAXPATH - 1] = (char) 0; | |
1fac938e | 3341 | |
3342 | return new_host_dirspec; | |
1fac938e | 3343 | } |
3344 | ||
3345 | /* Translate a Unix syntax file specification into VMS syntax. | |
f15731c4 | 3346 | If indicators of VMS syntax found, return input string. */ |
1fac938e | 3347 | |
3348 | char * | |
9dfe12ae | 3349 | __gnat_to_host_file_spec (char *filespec) |
1fac938e | 3350 | { |
9dfe12ae | 3351 | strncpy (new_host_filespec, "", MAXPATH); |
1fac938e | 3352 | if (strchr (filespec, ']') || strchr (filespec, ':')) |
9dfe12ae | 3353 | { |
3354 | strncpy (new_host_filespec, filespec, MAXPATH); | |
3355 | } | |
1fac938e | 3356 | else |
3357 | { | |
3358 | decc$to_vms (filespec, translate_unix, 1, 1); | |
9dfe12ae | 3359 | strncpy (new_host_filespec, filename_buff, MAXPATH); |
1fac938e | 3360 | } |
3361 | ||
9dfe12ae | 3362 | new_host_filespec [MAXPATH - 1] = (char) 0; |
3363 | ||
1fac938e | 3364 | return new_host_filespec; |
3365 | } | |
3366 | ||
3367 | void | |
3368 | __gnat_adjust_os_resource_limits () | |
3369 | { | |
3370 | SYS$ADJWSL (131072, 0); | |
3371 | } | |
3372 | ||
9dfe12ae | 3373 | #else /* VMS */ |
1fac938e | 3374 | |
f15731c4 | 3375 | /* Dummy functions for Osint import for non-VMS systems. */ |
1fac938e | 3376 | |
3377 | int | |
9dfe12ae | 3378 | __gnat_to_canonical_file_list_init |
3379 | (char *dirspec ATTRIBUTE_UNUSED, int onlydirs ATTRIBUTE_UNUSED) | |
1fac938e | 3380 | { |
3381 | return 0; | |
3382 | } | |
3383 | ||
3384 | char * | |
6f2c2693 | 3385 | __gnat_to_canonical_file_list_next (void) |
1fac938e | 3386 | { |
6b88f2fe | 3387 | static char empty[] = ""; |
4c4697b8 | 3388 | return empty; |
1fac938e | 3389 | } |
3390 | ||
3391 | void | |
6f2c2693 | 3392 | __gnat_to_canonical_file_list_free (void) |
1fac938e | 3393 | { |
3394 | } | |
3395 | ||
3396 | char * | |
9dfe12ae | 3397 | __gnat_to_canonical_dir_spec (char *dirspec, int prefixflag ATTRIBUTE_UNUSED) |
1fac938e | 3398 | { |
3399 | return dirspec; | |
3400 | } | |
3401 | ||
3402 | char * | |
9dfe12ae | 3403 | __gnat_to_canonical_file_spec (char *filespec) |
1fac938e | 3404 | { |
3405 | return filespec; | |
3406 | } | |
3407 | ||
3408 | char * | |
9dfe12ae | 3409 | __gnat_to_canonical_path_spec (char *pathspec) |
1fac938e | 3410 | { |
3411 | return pathspec; | |
3412 | } | |
3413 | ||
3414 | char * | |
9dfe12ae | 3415 | __gnat_to_host_dir_spec (char *dirspec, int prefixflag ATTRIBUTE_UNUSED) |
1fac938e | 3416 | { |
3417 | return dirspec; | |
3418 | } | |
3419 | ||
3420 | char * | |
9dfe12ae | 3421 | __gnat_to_host_file_spec (char *filespec) |
1fac938e | 3422 | { |
3423 | return filespec; | |
3424 | } | |
3425 | ||
3426 | void | |
6f2c2693 | 3427 | __gnat_adjust_os_resource_limits (void) |
1fac938e | 3428 | { |
3429 | } | |
3430 | ||
3431 | #endif | |
3432 | ||
1fac938e | 3433 | #if defined (__mips_vxworks) |
9dfe12ae | 3434 | int |
3435 | _flush_cache() | |
1fac938e | 3436 | { |
3437 | CACHE_USER_FLUSH (0, ENTIRE_CACHE); | |
3438 | } | |
3439 | #endif | |
3440 | ||
8c7d3bad | 3441 | #if defined (IS_CROSS) \ |
a3b0f4f2 | 3442 | || (! ((defined (sparc) || defined (i386)) && defined (sun) \ |
3443 | && defined (__SVR4)) \ | |
c69ba469 | 3444 | && ! (defined (linux) && (defined (i386) || defined (__x86_64__))) \ |
a3b0f4f2 | 3445 | && ! (defined (linux) && defined (__ia64__)) \ |
547371fa | 3446 | && ! (defined (linux) && defined (powerpc)) \ |
40a4417a | 3447 | && ! defined (__FreeBSD__) \ |
571e421a | 3448 | && ! defined (__Lynx__) \ |
21a87c1d | 3449 | && ! defined (__hpux__) \ |
ba706ed3 | 3450 | && ! defined (__APPLE__) \ |
9dfe12ae | 3451 | && ! defined (_AIX) \ |
1fac938e | 3452 | && ! (defined (__alpha__) && defined (__osf__)) \ |
3b18b370 | 3453 | && ! defined (VMS) \ |
80d4fec4 | 3454 | && ! defined (__MINGW32__) \ |
3455 | && ! (defined (__mips) && defined (__sgi))) | |
f15731c4 | 3456 | |
a3b0f4f2 | 3457 | /* Dummy function to satisfy g-trasym.o. See the preprocessor conditional |
3458 | just above for a list of native platforms that provide a non-dummy | |
3459 | version of this procedure in libaddr2line.a. */ | |
1fac938e | 3460 | |
3461 | void | |
1e622f0e | 3462 | convert_addresses (const char *file_name ATTRIBUTE_UNUSED, |
3463 | void *addrs ATTRIBUTE_UNUSED, | |
9dfe12ae | 3464 | int n_addr ATTRIBUTE_UNUSED, |
3465 | void *buf ATTRIBUTE_UNUSED, | |
3466 | int *len ATTRIBUTE_UNUSED) | |
1fac938e | 3467 | { |
3468 | *len = 0; | |
3469 | } | |
3470 | #endif | |
f15731c4 | 3471 | |
3472 | #if defined (_WIN32) | |
3473 | int __gnat_argument_needs_quote = 1; | |
3474 | #else | |
3475 | int __gnat_argument_needs_quote = 0; | |
3476 | #endif | |
9dfe12ae | 3477 | |
3478 | /* This option is used to enable/disable object files handling from the | |
3479 | binder file by the GNAT Project module. For example, this is disabled on | |
e0f42093 | 3480 | Windows (prior to GCC 3.4) as it is already done by the mdll module. |
3481 | Stating with GCC 3.4 the shared libraries are not based on mdll | |
3482 | anymore as it uses the GCC's -shared option */ | |
3483 | #if defined (_WIN32) \ | |
3484 | && ((__GNUC__ < 3) || ((__GNUC__ == 3) && (__GNUC_MINOR__ < 4))) | |
9dfe12ae | 3485 | int __gnat_prj_add_obj_files = 0; |
3486 | #else | |
3487 | int __gnat_prj_add_obj_files = 1; | |
3488 | #endif | |
3489 | ||
3490 | /* char used as prefix/suffix for environment variables */ | |
3491 | #if defined (_WIN32) | |
3492 | char __gnat_environment_char = '%'; | |
3493 | #else | |
3494 | char __gnat_environment_char = '$'; | |
3495 | #endif | |
3496 | ||
3497 | /* This functions copy the file attributes from a source file to a | |
3498 | destination file. | |
3499 | ||
3500 | mode = 0 : In this mode copy only the file time stamps (last access and | |
3501 | last modification time stamps). | |
3502 | ||
3503 | mode = 1 : In this mode, time stamps and read/write/execute attributes are | |
3504 | copied. | |
3505 | ||
3506 | Returns 0 if operation was successful and -1 in case of error. */ | |
3507 | ||
3508 | int | |
3509 | __gnat_copy_attribs (char *from, char *to, int mode) | |
3510 | { | |
5091bc2f | 3511 | #if defined (VMS) || defined (__vxworks) || defined (__nucleus__) |
9dfe12ae | 3512 | return -1; |
6a85c251 | 3513 | |
3514 | #elif defined (_WIN32) && !defined (RTX) | |
3515 | TCHAR wfrom [GNAT_MAX_PATH_LEN + 2]; | |
3516 | TCHAR wto [GNAT_MAX_PATH_LEN + 2]; | |
3517 | BOOL res; | |
3518 | FILETIME fct, flat, flwt; | |
3519 | HANDLE hfrom, hto; | |
3520 | ||
3521 | S2WSC (wfrom, from, GNAT_MAX_PATH_LEN + 2); | |
3522 | S2WSC (wto, to, GNAT_MAX_PATH_LEN + 2); | |
3523 | ||
3524 | /* retrieve from times */ | |
3525 | ||
3526 | hfrom = CreateFile | |
3527 | (wfrom, GENERIC_READ, 0, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL); | |
3528 | ||
3529 | if (hfrom == INVALID_HANDLE_VALUE) | |
3530 | return -1; | |
3531 | ||
3532 | res = GetFileTime (hfrom, &fct, &flat, &flwt); | |
3533 | ||
3534 | CloseHandle (hfrom); | |
3535 | ||
3536 | if (res == 0) | |
3537 | return -1; | |
3538 | ||
3539 | /* retrieve from times */ | |
3540 | ||
3541 | hto = CreateFile | |
3542 | (wto, GENERIC_WRITE, 0, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL); | |
3543 | ||
3544 | if (hto == INVALID_HANDLE_VALUE) | |
3545 | return -1; | |
3546 | ||
3547 | res = SetFileTime (hto, NULL, &flat, &flwt); | |
3548 | ||
3549 | CloseHandle (hto); | |
3550 | ||
3551 | if (res == 0) | |
3552 | return -1; | |
3553 | ||
3554 | /* Set file attributes in full mode. */ | |
3555 | ||
3556 | if (mode == 1) | |
3557 | { | |
3558 | DWORD attribs = GetFileAttributes (wfrom); | |
3559 | ||
3560 | if (attribs == INVALID_FILE_ATTRIBUTES) | |
3561 | return -1; | |
3562 | ||
3563 | res = SetFileAttributes (wto, attribs); | |
3564 | if (res == 0) | |
3565 | return -1; | |
3566 | } | |
3567 | ||
3568 | return 0; | |
3569 | ||
9dfe12ae | 3570 | #else |
8cb516d7 | 3571 | GNAT_STRUCT_STAT fbuf; |
9dfe12ae | 3572 | struct utimbuf tbuf; |
3573 | ||
8cb516d7 | 3574 | if (GNAT_STAT (from, &fbuf) == -1) |
9dfe12ae | 3575 | { |
3576 | return -1; | |
3577 | } | |
3578 | ||
3579 | tbuf.actime = fbuf.st_atime; | |
3580 | tbuf.modtime = fbuf.st_mtime; | |
3581 | ||
3582 | if (utime (to, &tbuf) == -1) | |
3583 | { | |
3584 | return -1; | |
3585 | } | |
3586 | ||
3587 | if (mode == 1) | |
3588 | { | |
3589 | if (chmod (to, fbuf.st_mode) == -1) | |
3590 | { | |
3591 | return -1; | |
3592 | } | |
3593 | } | |
3594 | ||
3595 | return 0; | |
3596 | #endif | |
3597 | } | |
3598 | ||
cf6d853e | 3599 | int |
3600 | __gnat_lseek (int fd, long offset, int whence) | |
3601 | { | |
3602 | return (int) lseek (fd, offset, whence); | |
3603 | } | |
0914a918 | 3604 | |
e2c62f37 | 3605 | /* This function returns the major version number of GCC being used. */ |
0914a918 | 3606 | int |
3607 | get_gcc_version (void) | |
3608 | { | |
e2c62f37 | 3609 | #ifdef IN_RTS |
3610 | return __GNUC__; | |
3611 | #else | |
3612 | return (int) (version_string[0] - '0'); | |
3613 | #endif | |
0914a918 | 3614 | } |
6d9c3443 | 3615 | |
3616 | int | |
de10c095 | 3617 | __gnat_set_close_on_exec (int fd ATTRIBUTE_UNUSED, |
0e9e8338 | 3618 | int close_on_exec_p ATTRIBUTE_UNUSED) |
6d9c3443 | 3619 | { |
3620 | #if defined (F_GETFD) && defined (FD_CLOEXEC) && ! defined (__vxworks) | |
3621 | int flags = fcntl (fd, F_GETFD, 0); | |
3622 | if (flags < 0) | |
3623 | return flags; | |
3624 | if (close_on_exec_p) | |
3625 | flags |= FD_CLOEXEC; | |
3626 | else | |
3627 | flags &= ~FD_CLOEXEC; | |
3628 | return fcntl (fd, F_SETFD, flags | FD_CLOEXEC); | |
07f34887 | 3629 | #elif defined(_WIN32) |
3630 | HANDLE h = (HANDLE) _get_osfhandle (fd); | |
3631 | if (h == (HANDLE) -1) | |
3632 | return -1; | |
3633 | if (close_on_exec_p) | |
3634 | return ! SetHandleInformation (h, HANDLE_FLAG_INHERIT, 0); | |
bcf0a1b1 | 3635 | return ! SetHandleInformation (h, HANDLE_FLAG_INHERIT, |
07f34887 | 3636 | HANDLE_FLAG_INHERIT); |
6d9c3443 | 3637 | #else |
07f34887 | 3638 | /* TODO: Unimplemented. */ |
6d9c3443 | 3639 | return -1; |
6d9c3443 | 3640 | #endif |
3641 | } | |
fb31b465 | 3642 | |
3643 | /* Indicates if platforms supports automatic initialization through the | |
3644 | constructor mechanism */ | |
3645 | int | |
c88e6a4f | 3646 | __gnat_binder_supports_auto_init (void) |
fb31b465 | 3647 | { |
3648 | #ifdef VMS | |
3649 | return 0; | |
3650 | #else | |
3651 | return 1; | |
3652 | #endif | |
3653 | } | |
3654 | ||
3655 | /* Indicates that Stand-Alone Libraries are automatically initialized through | |
3656 | the constructor mechanism */ | |
3657 | int | |
c88e6a4f | 3658 | __gnat_sals_init_using_constructors (void) |
fb31b465 | 3659 | { |
3660 | #if defined (__vxworks) || defined (__Lynx__) || defined (VMS) | |
3661 | return 0; | |
3662 | #else | |
3663 | return 1; | |
3664 | #endif | |
3665 | } | |
e2a33c18 | 3666 | |
8e726ab4 | 3667 | #ifdef RTX |
3668 | ||
e2a33c18 | 3669 | /* In RTX mode, the procedure to get the time (as file time) is different |
3670 | in RTSS mode and Win32 mode. In order to avoid duplicating an Ada file, | |
3671 | we introduce an intermediate procedure to link against the corresponding | |
3672 | one in each situation. */ | |
8e726ab4 | 3673 | |
3674 | extern void GetTimeAsFileTime(LPFILETIME pTime); | |
e2a33c18 | 3675 | |
3676 | void GetTimeAsFileTime(LPFILETIME pTime) | |
3677 | { | |
3678 | #ifdef RTSS | |
3679 | RtGetRtssTimeAsFileTime (pTime); /* RTSS interface */ | |
3680 | #else | |
3681 | GetSystemTimeAsFileTime (pTime); /* w32 interface */ | |
3682 | #endif | |
3683 | } | |
8e726ab4 | 3684 | |
3685 | #ifdef RTSS | |
3686 | /* Add symbol that is required to link. It would otherwise be taken from | |
3687 | libgcc.a and it would try to use the gcc constructors that are not | |
3688 | supported by Microsoft linker. */ | |
3689 | ||
3690 | extern void __main (void); | |
3691 | ||
3692 | void __main (void) {} | |
3693 | #endif | |
e2a33c18 | 3694 | #endif |
3695 | ||
a0d9619f | 3696 | #if defined (linux) |
3697 | /* There is no function in the glibc to retrieve the LWP of the current | |
3698 | thread. We need to do a system call in order to retrieve this | |
3699 | information. */ | |
3700 | #include <sys/syscall.h> | |
12e8797f | 3701 | void *__gnat_lwp_self (void) |
3702 | { | |
a0d9619f | 3703 | return (void *) syscall (__NR_gettid); |
3704 | } | |
3705 | #endif | |
becb63f5 | 3706 | |
3707 | #ifdef __cplusplus | |
3708 | } | |
3709 | #endif |