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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 | * * | |
44fef051 | 9 | * Copyright (C) 1992-2010, 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 | |
37 | #ifdef __vxworks | |
f15731c4 | 38 | |
39 | /* No need to redefine exit here. */ | |
1fac938e | 40 | #undef exit |
f15731c4 | 41 | |
1fac938e | 42 | /* We want to use the POSIX variants of include files. */ |
43 | #define POSIX | |
44 | #include "vxWorks.h" | |
45 | ||
46 | #if defined (__mips_vxworks) | |
47 | #include "cacheLib.h" | |
48 | #endif /* __mips_vxworks */ | |
49 | ||
50 | #endif /* VxWorks */ | |
51 | ||
cafd02b3 | 52 | #ifdef VMS |
53 | #define _POSIX_EXIT 1 | |
ba706ed3 | 54 | #define HOST_EXECUTABLE_SUFFIX ".exe" |
55 | #define HOST_OBJECT_SUFFIX ".obj" | |
cafd02b3 | 56 | #endif |
57 | ||
1fac938e | 58 | #ifdef IN_RTS |
59 | #include "tconfig.h" | |
60 | #include "tsystem.h" | |
9dfe12ae | 61 | |
1fac938e | 62 | #include <sys/stat.h> |
63 | #include <fcntl.h> | |
64 | #include <time.h> | |
cafd02b3 | 65 | #ifdef VMS |
66 | #include <unixio.h> | |
67 | #endif | |
1fac938e | 68 | |
f15731c4 | 69 | /* We don't have libiberty, so use malloc. */ |
1fac938e | 70 | #define xmalloc(S) malloc (S) |
f15731c4 | 71 | #define xrealloc(V,S) realloc (V,S) |
1fac938e | 72 | #else |
73 | #include "config.h" | |
74 | #include "system.h" | |
e2c62f37 | 75 | #include "version.h" |
1fac938e | 76 | #endif |
9dfe12ae | 77 | |
fa0b5df1 | 78 | #if defined (__MINGW32__) |
79 | ||
e2a33c18 | 80 | #if defined (RTX) |
81 | #include <windows.h> | |
82 | #include <Rtapi.h> | |
fa0b5df1 | 83 | #else |
9dfe12ae | 84 | #include "mingw32.h" |
f60cc57d | 85 | |
86 | /* Current code page to use, set in initialize.c. */ | |
87 | UINT CurrentCodePage; | |
fa0b5df1 | 88 | #endif |
89 | ||
9dfe12ae | 90 | #include <sys/utime.h> |
a4f295eb | 91 | |
92 | /* For isalpha-like tests in the compiler, we're expected to resort to | |
93 | safe-ctype.h/ISALPHA. This isn't available for the runtime library | |
94 | build, so we fallback on ctype.h/isalpha there. */ | |
95 | ||
96 | #ifdef IN_RTS | |
f0a28ccb | 97 | #include <ctype.h> |
a4f295eb | 98 | #define ISALPHA isalpha |
99 | #endif | |
2359306a | 100 | |
101 | #elif defined (__Lynx__) | |
102 | ||
103 | /* Lynx utime.h only defines the entities of interest to us if | |
104 | defined (VMOS_DEV), so ... */ | |
105 | #define VMOS_DEV | |
106 | #include <utime.h> | |
107 | #undef VMOS_DEV | |
108 | ||
109 | #elif !defined (VMS) | |
9dfe12ae | 110 | #include <utime.h> |
9dfe12ae | 111 | #endif |
112 | ||
5091bc2f | 113 | /* wait.h processing */ |
9dfe12ae | 114 | #ifdef __MINGW32__ |
115 | #if OLD_MINGW | |
1fac938e | 116 | #include <sys/wait.h> |
9dfe12ae | 117 | #endif |
8ffbc401 | 118 | #elif defined (__vxworks) && defined (__RTP__) |
119 | #include <wait.h> | |
2359306a | 120 | #elif defined (__Lynx__) |
121 | /* ??? We really need wait.h and it includes resource.h on Lynx. GCC | |
122 | has a resource.h header as well, included instead of the lynx | |
123 | version in our setup, causing lots of errors. We don't really need | |
124 | the lynx contents of this file, so just workaround the issue by | |
125 | preventing the inclusion of the GCC header from doing anything. */ | |
126 | #define GCC_RESOURCE_H | |
127 | #include <sys/wait.h> | |
5091bc2f | 128 | #elif defined (__nucleus__) |
129 | /* No wait() or waitpid() calls available */ | |
9dfe12ae | 130 | #else |
5091bc2f | 131 | /* Default case */ |
9dfe12ae | 132 | #include <sys/wait.h> |
133 | #endif | |
1fac938e | 134 | |
30592778 | 135 | #if defined (_WIN32) |
d8dd2062 | 136 | #elif defined (VMS) |
71a3e619 | 137 | |
f15731c4 | 138 | /* Header files and definitions for __gnat_set_file_time_name. */ |
71a3e619 | 139 | |
8620a406 | 140 | #define __NEW_STARLET 1 |
ba706ed3 | 141 | #include <vms/rms.h> |
142 | #include <vms/atrdef.h> | |
143 | #include <vms/fibdef.h> | |
144 | #include <vms/stsdef.h> | |
145 | #include <vms/iodef.h> | |
d8dd2062 | 146 | #include <errno.h> |
ba706ed3 | 147 | #include <vms/descrip.h> |
d8dd2062 | 148 | #include <string.h> |
149 | #include <unixlib.h> | |
150 | ||
f15731c4 | 151 | /* Use native 64-bit arithmetic. */ |
d8dd2062 | 152 | #define unix_time_to_vms(X,Y) \ |
153 | { unsigned long long reftime, tmptime = (X); \ | |
154 | $DESCRIPTOR (unixtime,"1-JAN-1970 0:00:00.00"); \ | |
155 | SYS$BINTIM (&unixtime, &reftime); \ | |
156 | Y = tmptime * 10000000 + reftime; } | |
157 | ||
158 | /* descrip.h doesn't have everything ... */ | |
8620a406 | 159 | typedef struct fibdef* __fibdef_ptr32 __attribute__ (( mode (SI) )); |
d8dd2062 | 160 | struct dsc$descriptor_fib |
161 | { | |
8620a406 | 162 | unsigned int fib$l_len; |
163 | __fibdef_ptr32 fib$l_addr; | |
d8dd2062 | 164 | }; |
165 | ||
71a3e619 | 166 | /* I/O Status Block. */ |
d8dd2062 | 167 | struct IOSB |
9dfe12ae | 168 | { |
d8dd2062 | 169 | unsigned short status, count; |
8620a406 | 170 | unsigned int devdep; |
d8dd2062 | 171 | }; |
172 | ||
173 | static char *tryfile; | |
174 | ||
71a3e619 | 175 | /* Variable length string. */ |
d8dd2062 | 176 | struct vstring |
177 | { | |
178 | short length; | |
f15731c4 | 179 | char string[NAM$C_MAXRSS+1]; |
d8dd2062 | 180 | }; |
181 | ||
d8dd2062 | 182 | #else |
183 | #include <utime.h> | |
184 | #endif | |
185 | ||
30592778 | 186 | #if defined (_WIN32) |
1fac938e | 187 | #include <process.h> |
188 | #endif | |
189 | ||
190 | #if defined (_WIN32) | |
4c4697b8 | 191 | |
1fac938e | 192 | #include <dir.h> |
193 | #include <windows.h> | |
7db1ef17 | 194 | #include <accctrl.h> |
195 | #include <aclapi.h> | |
fef772a5 | 196 | #undef DIR_SEPARATOR |
197 | #define DIR_SEPARATOR '\\' | |
1fac938e | 198 | #endif |
199 | ||
200 | #include "adaint.h" | |
201 | ||
202 | /* Define symbols O_BINARY and O_TEXT as harmless zeroes if they are not | |
203 | defined in the current system. On DOS-like systems these flags control | |
204 | whether the file is opened/created in text-translation mode (CR/LF in | |
205 | external file mapped to LF in internal file), but in Unix-like systems, | |
206 | no text translation is required, so these flags have no effect. */ | |
207 | ||
1fac938e | 208 | #ifndef O_BINARY |
209 | #define O_BINARY 0 | |
210 | #endif | |
211 | ||
212 | #ifndef O_TEXT | |
213 | #define O_TEXT 0 | |
214 | #endif | |
215 | ||
216 | #ifndef HOST_EXECUTABLE_SUFFIX | |
217 | #define HOST_EXECUTABLE_SUFFIX "" | |
218 | #endif | |
219 | ||
220 | #ifndef HOST_OBJECT_SUFFIX | |
221 | #define HOST_OBJECT_SUFFIX ".o" | |
222 | #endif | |
223 | ||
224 | #ifndef PATH_SEPARATOR | |
225 | #define PATH_SEPARATOR ':' | |
226 | #endif | |
227 | ||
228 | #ifndef DIR_SEPARATOR | |
229 | #define DIR_SEPARATOR '/' | |
230 | #endif | |
231 | ||
a3b0f4f2 | 232 | /* Check for cross-compilation */ |
8c7d3bad | 233 | #if defined (CROSS_COMPILE) || defined (CROSS_DIRECTORY_STRUCTURE) |
234 | #define IS_CROSS 1 | |
a3b0f4f2 | 235 | int __gnat_is_cross_compiler = 1; |
236 | #else | |
8c7d3bad | 237 | #undef IS_CROSS |
a3b0f4f2 | 238 | int __gnat_is_cross_compiler = 0; |
239 | #endif | |
240 | ||
1fac938e | 241 | char __gnat_dir_separator = DIR_SEPARATOR; |
242 | ||
243 | char __gnat_path_separator = PATH_SEPARATOR; | |
244 | ||
245 | /* The GNAT_LIBRARY_TEMPLATE contains a list of expressions that define | |
246 | the base filenames that libraries specified with -lsomelib options | |
247 | may have. This is used by GNATMAKE to check whether an executable | |
248 | is up-to-date or not. The syntax is | |
249 | ||
250 | library_template ::= { pattern ; } pattern NUL | |
251 | pattern ::= [ prefix ] * [ postfix ] | |
252 | ||
253 | These should only specify names of static libraries as it makes | |
254 | no sense to determine at link time if dynamic-link libraries are | |
255 | up to date or not. Any libraries that are not found are supposed | |
256 | to be up-to-date: | |
257 | ||
258 | * if they are needed but not present, the link | |
259 | will fail, | |
260 | ||
261 | * otherwise they are libraries in the system paths and so | |
262 | they are considered part of the system and not checked | |
263 | for that reason. | |
264 | ||
265 | ??? This should be part of a GNAT host-specific compiler | |
266 | file instead of being included in all user applications | |
f15731c4 | 267 | as well. This is only a temporary work-around for 3.11b. */ |
1fac938e | 268 | |
269 | #ifndef GNAT_LIBRARY_TEMPLATE | |
30592778 | 270 | #if defined (VMS) |
1fac938e | 271 | #define GNAT_LIBRARY_TEMPLATE "*.olb" |
272 | #else | |
273 | #define GNAT_LIBRARY_TEMPLATE "lib*.a" | |
274 | #endif | |
275 | #endif | |
276 | ||
277 | const char *__gnat_library_template = GNAT_LIBRARY_TEMPLATE; | |
278 | ||
f15731c4 | 279 | /* This variable is used in hostparm.ads to say whether the host is a VMS |
280 | system. */ | |
281 | #ifdef VMS | |
282 | const int __gnat_vmsp = 1; | |
283 | #else | |
284 | const int __gnat_vmsp = 0; | |
285 | #endif | |
286 | ||
30592778 | 287 | #if defined (VMS) |
9dfe12ae | 288 | #define GNAT_MAX_PATH_LEN 256 /* PATH_MAX */ |
e633acdc | 289 | |
5091bc2f | 290 | #elif defined (__vxworks) || defined (__OPENNT) || defined(__nucleus__) |
9dfe12ae | 291 | #define GNAT_MAX_PATH_LEN PATH_MAX |
292 | ||
293 | #else | |
294 | ||
295 | #if defined (__MINGW32__) | |
296 | #include "mingw32.h" | |
297 | ||
298 | #if OLD_MINGW | |
299 | #include <sys/param.h> | |
300 | #endif | |
e633acdc | 301 | |
302 | #else | |
303 | #include <sys/param.h> | |
9dfe12ae | 304 | #endif |
305 | ||
8ae72cac | 306 | #ifdef MAXPATHLEN |
9dfe12ae | 307 | #define GNAT_MAX_PATH_LEN MAXPATHLEN |
8ae72cac | 308 | #else |
309 | #define GNAT_MAX_PATH_LEN 256 | |
310 | #endif | |
e633acdc | 311 | |
312 | #endif | |
313 | ||
5f93bcbf | 314 | /* Used for Ada bindings */ |
d2697a05 | 315 | const int __gnat_size_of_file_attributes = sizeof (struct file_attributes); |
5f93bcbf | 316 | |
317 | /* Reset the file attributes as if no system call had been performed */ | |
318 | void __gnat_stat_to_attr (int fd, char* name, struct file_attributes* attr); | |
319 | ||
9dfe12ae | 320 | /* The __gnat_max_path_len variable is used to export the maximum |
321 | length of a path name to Ada code. max_path_len is also provided | |
322 | for compatibility with older GNAT versions, please do not use | |
323 | it. */ | |
324 | ||
325 | int __gnat_max_path_len = GNAT_MAX_PATH_LEN; | |
326 | int max_path_len = GNAT_MAX_PATH_LEN; | |
327 | ||
2726b813 | 328 | /* Control whether we can use ACL on Windows. */ |
329 | ||
330 | int __gnat_use_acl = 1; | |
331 | ||
1fac938e | 332 | /* The following macro HAVE_READDIR_R should be defined if the |
f15731c4 | 333 | system provides the routine readdir_r. */ |
1fac938e | 334 | #undef HAVE_READDIR_R |
335 | \f | |
6d9c3443 | 336 | #if defined(VMS) && defined (__LONG_POINTERS) |
337 | ||
338 | /* Return a 32 bit pointer to an array of 32 bit pointers | |
339 | given a 64 bit pointer to an array of 64 bit pointers */ | |
340 | ||
341 | typedef __char_ptr32 *__char_ptr_char_ptr32 __attribute__ ((mode (SI))); | |
342 | ||
343 | static __char_ptr_char_ptr32 | |
344 | to_ptr32 (char **ptr64) | |
345 | { | |
346 | int argc; | |
347 | __char_ptr_char_ptr32 short_argv; | |
348 | ||
349 | for (argc=0; ptr64[argc]; argc++); | |
350 | ||
351 | /* Reallocate argv with 32 bit pointers. */ | |
352 | short_argv = (__char_ptr_char_ptr32) decc$malloc | |
353 | (sizeof (__char_ptr32) * (argc + 1)); | |
354 | ||
355 | for (argc=0; ptr64[argc]; argc++) | |
356 | short_argv[argc] = (__char_ptr32) decc$strdup (ptr64[argc]); | |
357 | ||
358 | short_argv[argc] = (__char_ptr32) 0; | |
359 | return short_argv; | |
360 | ||
361 | } | |
362 | #define MAYBE_TO_PTR32(argv) to_ptr32 (argv) | |
363 | #else | |
364 | #define MAYBE_TO_PTR32(argv) argv | |
365 | #endif | |
366 | ||
44fef051 | 367 | static const char ATTR_UNSET = 127; |
bce992c9 | 368 | |
5f93bcbf | 369 | void |
d2697a05 | 370 | __gnat_reset_attributes |
5f93bcbf | 371 | (struct file_attributes* attr) |
372 | { | |
bce992c9 | 373 | attr->exists = ATTR_UNSET; |
5f93bcbf | 374 | |
bce992c9 | 375 | attr->writable = ATTR_UNSET; |
376 | attr->readable = ATTR_UNSET; | |
377 | attr->executable = ATTR_UNSET; | |
5f93bcbf | 378 | |
bce992c9 | 379 | attr->regular = ATTR_UNSET; |
380 | attr->symbolic_link = ATTR_UNSET; | |
381 | attr->directory = ATTR_UNSET; | |
5f93bcbf | 382 | |
383 | attr->timestamp = (OS_Time)-2; | |
384 | attr->file_length = -1; | |
385 | } | |
386 | ||
1e622f0e | 387 | OS_Time |
388 | __gnat_current_time | |
389 | (void) | |
390 | { | |
391 | time_t res = time (NULL); | |
392 | return (OS_Time) res; | |
393 | } | |
394 | ||
a17c817e | 395 | /* Return the current local time as a string in the ISO 8601 format of |
396 | "YYYY-MM-DD HH:MM:SS.SS". The returned string is 22 + 1 (NULL) characters | |
397 | long. */ | |
398 | ||
399 | void | |
400 | __gnat_current_time_string | |
401 | (char *result) | |
402 | { | |
403 | const char *format = "%Y-%m-%d %H:%M:%S"; | |
404 | /* Format string necessary to describe the ISO 8601 format */ | |
405 | ||
406 | const time_t t_val = time (NULL); | |
407 | ||
408 | strftime (result, 22, format, localtime (&t_val)); | |
409 | /* Convert the local time into a string following the ISO format, copying | |
410 | at most 22 characters into the result string. */ | |
411 | ||
412 | result [19] = '.'; | |
413 | result [20] = '0'; | |
414 | result [21] = '0'; | |
415 | /* The sub-seconds are manually set to zero since type time_t lacks the | |
416 | precision necessary for nanoseconds. */ | |
417 | } | |
418 | ||
1fac938e | 419 | void |
9dfe12ae | 420 | __gnat_to_gm_time |
421 | (OS_Time *p_time, | |
422 | int *p_year, | |
423 | int *p_month, | |
424 | int *p_day, | |
425 | int *p_hours, | |
426 | int *p_mins, | |
427 | int *p_secs) | |
1fac938e | 428 | { |
429 | struct tm *res; | |
9dfe12ae | 430 | time_t time = (time_t) *p_time; |
1fac938e | 431 | |
432 | #ifdef _WIN32 | |
433 | /* On Windows systems, the time is sometimes rounded up to the nearest | |
434 | even second, so if the number of seconds is odd, increment it. */ | |
435 | if (time & 1) | |
436 | time++; | |
437 | #endif | |
438 | ||
9dfe12ae | 439 | #ifdef VMS |
440 | res = localtime (&time); | |
441 | #else | |
1fac938e | 442 | res = gmtime (&time); |
9dfe12ae | 443 | #endif |
1fac938e | 444 | |
445 | if (res) | |
446 | { | |
447 | *p_year = res->tm_year; | |
448 | *p_month = res->tm_mon; | |
449 | *p_day = res->tm_mday; | |
450 | *p_hours = res->tm_hour; | |
451 | *p_mins = res->tm_min; | |
452 | *p_secs = res->tm_sec; | |
f15731c4 | 453 | } |
1fac938e | 454 | else |
455 | *p_year = *p_month = *p_day = *p_hours = *p_mins = *p_secs = 0; | |
456 | } | |
457 | ||
458 | /* Place the contents of the symbolic link named PATH in the buffer BUF, | |
459 | which has size BUFSIZ. If PATH is a symbolic link, then return the number | |
5091bc2f | 460 | of characters of its content in BUF. Otherwise, return -1. |
461 | For systems not supporting symbolic links, always return -1. */ | |
1fac938e | 462 | |
9dfe12ae | 463 | int |
f0a28ccb | 464 | __gnat_readlink (char *path ATTRIBUTE_UNUSED, |
465 | char *buf ATTRIBUTE_UNUSED, | |
466 | size_t bufsiz ATTRIBUTE_UNUSED) | |
1fac938e | 467 | { |
30592778 | 468 | #if defined (_WIN32) || defined (VMS) \ |
469 | || defined(__vxworks) || defined (__nucleus__) | |
1fac938e | 470 | return -1; |
471 | #else | |
472 | return readlink (path, buf, bufsiz); | |
473 | #endif | |
474 | } | |
475 | ||
5091bc2f | 476 | /* Creates a symbolic link named NEWPATH which contains the string OLDPATH. |
477 | If NEWPATH exists it will NOT be overwritten. | |
478 | For systems not supporting symbolic links, always return -1. */ | |
1fac938e | 479 | |
480 | int | |
f0a28ccb | 481 | __gnat_symlink (char *oldpath ATTRIBUTE_UNUSED, |
482 | char *newpath ATTRIBUTE_UNUSED) | |
1fac938e | 483 | { |
30592778 | 484 | #if defined (_WIN32) || defined (VMS) \ |
485 | || defined(__vxworks) || defined (__nucleus__) | |
1fac938e | 486 | return -1; |
487 | #else | |
488 | return symlink (oldpath, newpath); | |
489 | #endif | |
490 | } | |
491 | ||
f15731c4 | 492 | /* Try to lock a file, return 1 if success. */ |
1fac938e | 493 | |
30592778 | 494 | #if defined (__vxworks) || defined (__nucleus__) \ |
495 | || defined (_WIN32) || defined (VMS) | |
1fac938e | 496 | |
497 | /* Version that does not use link. */ | |
498 | ||
499 | int | |
9dfe12ae | 500 | __gnat_try_lock (char *dir, char *file) |
1fac938e | 501 | { |
1fac938e | 502 | int fd; |
3b18b370 | 503 | #ifdef __MINGW32__ |
504 | TCHAR wfull_path[GNAT_MAX_PATH_LEN]; | |
505 | TCHAR wfile[GNAT_MAX_PATH_LEN]; | |
506 | TCHAR wdir[GNAT_MAX_PATH_LEN]; | |
507 | ||
f60cc57d | 508 | S2WSC (wdir, dir, GNAT_MAX_PATH_LEN); |
509 | S2WSC (wfile, file, GNAT_MAX_PATH_LEN); | |
3b18b370 | 510 | |
511 | _stprintf (wfull_path, _T("%s%c%s"), wdir, _T(DIR_SEPARATOR), wfile); | |
512 | fd = _topen (wfull_path, O_CREAT | O_EXCL, 0600); | |
513 | #else | |
514 | char full_path[256]; | |
1fac938e | 515 | |
516 | sprintf (full_path, "%s%c%s", dir, DIR_SEPARATOR, file); | |
517 | fd = open (full_path, O_CREAT | O_EXCL, 0600); | |
3b18b370 | 518 | #endif |
519 | ||
f15731c4 | 520 | if (fd < 0) |
1fac938e | 521 | return 0; |
f15731c4 | 522 | |
1fac938e | 523 | close (fd); |
524 | return 1; | |
525 | } | |
526 | ||
1fac938e | 527 | #else |
f15731c4 | 528 | |
1fac938e | 529 | /* Version using link(), more secure over NFS. */ |
9dfe12ae | 530 | /* See TN 6913-016 for discussion ??? */ |
1fac938e | 531 | |
532 | int | |
9dfe12ae | 533 | __gnat_try_lock (char *dir, char *file) |
1fac938e | 534 | { |
f15731c4 | 535 | char full_path[256]; |
536 | char temp_file[256]; | |
8cb516d7 | 537 | GNAT_STRUCT_STAT stat_result; |
1fac938e | 538 | int fd; |
539 | ||
540 | sprintf (full_path, "%s%c%s", dir, DIR_SEPARATOR, file); | |
4a3f445c | 541 | sprintf (temp_file, "%s%cTMP-%ld-%ld", |
542 | dir, DIR_SEPARATOR, (long)getpid(), (long)getppid ()); | |
1fac938e | 543 | |
f15731c4 | 544 | /* Create the temporary file and write the process number. */ |
1fac938e | 545 | fd = open (temp_file, O_CREAT | O_WRONLY, 0600); |
546 | if (fd < 0) | |
547 | return 0; | |
548 | ||
549 | close (fd); | |
550 | ||
f15731c4 | 551 | /* Link it with the new file. */ |
1fac938e | 552 | link (temp_file, full_path); |
553 | ||
554 | /* Count the references on the old one. If we have a count of two, then | |
f15731c4 | 555 | the link did succeed. Remove the temporary file before returning. */ |
1fac938e | 556 | __gnat_stat (temp_file, &stat_result); |
557 | unlink (temp_file); | |
558 | return stat_result.st_nlink == 2; | |
559 | } | |
560 | #endif | |
561 | ||
562 | /* Return the maximum file name length. */ | |
563 | ||
564 | int | |
6f2c2693 | 565 | __gnat_get_maximum_file_name_length (void) |
1fac938e | 566 | { |
30592778 | 567 | #if defined (VMS) |
1fac938e | 568 | if (getenv ("GNAT$EXTENDED_FILE_SPECIFICATIONS")) |
569 | return -1; | |
570 | else | |
571 | return 39; | |
572 | #else | |
573 | return -1; | |
574 | #endif | |
575 | } | |
576 | ||
1fac938e | 577 | /* Return nonzero if file names are case sensitive. */ |
578 | ||
579 | int | |
6f2c2693 | 580 | __gnat_get_file_names_case_sensitive (void) |
1fac938e | 581 | { |
6cba2d6a | 582 | #if defined (VMS) || defined (WINNT) || defined (__APPLE__) |
1fac938e | 583 | return 0; |
584 | #else | |
585 | return 1; | |
586 | #endif | |
587 | } | |
588 | ||
a027cdc7 | 589 | /* Return nonzero if environment variables are case sensitive. */ |
590 | ||
591 | int | |
592 | __gnat_get_env_vars_case_sensitive (void) | |
593 | { | |
594 | #if defined (VMS) || defined (WINNT) | |
595 | return 0; | |
596 | #else | |
597 | return 1; | |
598 | #endif | |
599 | } | |
600 | ||
1fac938e | 601 | char |
6f2c2693 | 602 | __gnat_get_default_identifier_character_set (void) |
1fac938e | 603 | { |
1fac938e | 604 | return '1'; |
1fac938e | 605 | } |
606 | ||
f15731c4 | 607 | /* Return the current working directory. */ |
1fac938e | 608 | |
609 | void | |
9dfe12ae | 610 | __gnat_get_current_dir (char *dir, int *length) |
1fac938e | 611 | { |
3b18b370 | 612 | #if defined (__MINGW32__) |
613 | TCHAR wdir[GNAT_MAX_PATH_LEN]; | |
614 | ||
615 | _tgetcwd (wdir, *length); | |
616 | ||
f60cc57d | 617 | WS2SC (dir, wdir, GNAT_MAX_PATH_LEN); |
3b18b370 | 618 | |
619 | #elif defined (VMS) | |
1fac938e | 620 | /* Force Unix style, which is what GNAT uses internally. */ |
621 | getcwd (dir, *length, 0); | |
622 | #else | |
623 | getcwd (dir, *length); | |
624 | #endif | |
625 | ||
626 | *length = strlen (dir); | |
627 | ||
9dfe12ae | 628 | if (dir [*length - 1] != DIR_SEPARATOR) |
629 | { | |
630 | dir [*length] = DIR_SEPARATOR; | |
631 | ++(*length); | |
632 | } | |
f15731c4 | 633 | dir[*length] = '\0'; |
1fac938e | 634 | } |
635 | ||
f15731c4 | 636 | /* Return the suffix for object files. */ |
1fac938e | 637 | |
638 | void | |
9dfe12ae | 639 | __gnat_get_object_suffix_ptr (int *len, const char **value) |
1fac938e | 640 | { |
641 | *value = HOST_OBJECT_SUFFIX; | |
642 | ||
643 | if (*value == 0) | |
644 | *len = 0; | |
645 | else | |
646 | *len = strlen (*value); | |
647 | ||
648 | return; | |
649 | } | |
650 | ||
f15731c4 | 651 | /* Return the suffix for executable files. */ |
1fac938e | 652 | |
653 | void | |
9dfe12ae | 654 | __gnat_get_executable_suffix_ptr (int *len, const char **value) |
1fac938e | 655 | { |
656 | *value = HOST_EXECUTABLE_SUFFIX; | |
657 | if (!*value) | |
658 | *len = 0; | |
659 | else | |
660 | *len = strlen (*value); | |
661 | ||
662 | return; | |
663 | } | |
664 | ||
665 | /* Return the suffix for debuggable files. Usually this is the same as the | |
f15731c4 | 666 | executable extension. */ |
1fac938e | 667 | |
668 | void | |
9dfe12ae | 669 | __gnat_get_debuggable_suffix_ptr (int *len, const char **value) |
1fac938e | 670 | { |
1fac938e | 671 | *value = HOST_EXECUTABLE_SUFFIX; |
1fac938e | 672 | |
673 | if (*value == 0) | |
674 | *len = 0; | |
675 | else | |
676 | *len = strlen (*value); | |
677 | ||
678 | return; | |
679 | } | |
680 | ||
1aa4b9ce | 681 | /* Returns the OS filename and corresponding encoding. */ |
682 | ||
683 | void | |
12e8797f | 684 | __gnat_os_filename (char *filename ATTRIBUTE_UNUSED, |
685 | char *w_filename ATTRIBUTE_UNUSED, | |
1aa4b9ce | 686 | char *os_name, int *o_length, |
c62e34a4 | 687 | char *encoding ATTRIBUTE_UNUSED, int *e_length) |
1aa4b9ce | 688 | { |
8c7d3bad | 689 | #if defined (_WIN32) && ! defined (__vxworks) && ! defined (IS_CROSS) |
7bb7733e | 690 | WS2SC (os_name, (TCHAR *)w_filename, (DWORD)*o_length); |
1aa4b9ce | 691 | *o_length = strlen (os_name); |
692 | strcpy (encoding, "encoding=utf8"); | |
693 | *e_length = strlen (encoding); | |
694 | #else | |
695 | strcpy (os_name, filename); | |
696 | *o_length = strlen (filename); | |
697 | *e_length = 0; | |
698 | #endif | |
699 | } | |
700 | ||
13320214 | 701 | /* Delete a file. */ |
702 | ||
703 | int | |
704 | __gnat_unlink (char *path) | |
705 | { | |
8c7d3bad | 706 | #if defined (__MINGW32__) && ! defined (__vxworks) && ! defined (IS_CROSS) |
13320214 | 707 | { |
708 | TCHAR wpath[GNAT_MAX_PATH_LEN]; | |
709 | ||
f60cc57d | 710 | S2WSC (wpath, path, GNAT_MAX_PATH_LEN); |
13320214 | 711 | return _tunlink (wpath); |
712 | } | |
713 | #else | |
714 | return unlink (path); | |
715 | #endif | |
716 | } | |
717 | ||
718 | /* Rename a file. */ | |
719 | ||
720 | int | |
721 | __gnat_rename (char *from, char *to) | |
722 | { | |
8c7d3bad | 723 | #if defined (__MINGW32__) && ! defined (__vxworks) && ! defined (IS_CROSS) |
13320214 | 724 | { |
725 | TCHAR wfrom[GNAT_MAX_PATH_LEN], wto[GNAT_MAX_PATH_LEN]; | |
726 | ||
f60cc57d | 727 | S2WSC (wfrom, from, GNAT_MAX_PATH_LEN); |
728 | S2WSC (wto, to, GNAT_MAX_PATH_LEN); | |
13320214 | 729 | return _trename (wfrom, wto); |
730 | } | |
731 | #else | |
732 | return rename (from, to); | |
733 | #endif | |
734 | } | |
735 | ||
a8d94a8f | 736 | /* Changing directory. */ |
737 | ||
738 | int | |
739 | __gnat_chdir (char *path) | |
740 | { | |
8c7d3bad | 741 | #if defined (__MINGW32__) && ! defined (__vxworks) && ! defined (IS_CROSS) |
a8d94a8f | 742 | { |
743 | TCHAR wpath[GNAT_MAX_PATH_LEN]; | |
744 | ||
f60cc57d | 745 | S2WSC (wpath, path, GNAT_MAX_PATH_LEN); |
a8d94a8f | 746 | return _tchdir (wpath); |
747 | } | |
748 | #else | |
749 | return chdir (path); | |
750 | #endif | |
751 | } | |
752 | ||
437991c2 | 753 | /* Removing a directory. */ |
754 | ||
755 | int | |
756 | __gnat_rmdir (char *path) | |
757 | { | |
8c7d3bad | 758 | #if defined (__MINGW32__) && ! defined (__vxworks) && ! defined (IS_CROSS) |
437991c2 | 759 | { |
760 | TCHAR wpath[GNAT_MAX_PATH_LEN]; | |
761 | ||
f60cc57d | 762 | S2WSC (wpath, path, GNAT_MAX_PATH_LEN); |
437991c2 | 763 | return _trmdir (wpath); |
764 | } | |
2db7aef0 | 765 | #elif defined (VTHREADS) |
766 | /* rmdir not available */ | |
767 | return -1; | |
437991c2 | 768 | #else |
769 | return rmdir (path); | |
770 | #endif | |
771 | } | |
772 | ||
e2c62f37 | 773 | FILE * |
c62e34a4 | 774 | __gnat_fopen (char *path, char *mode, int encoding ATTRIBUTE_UNUSED) |
e2c62f37 | 775 | { |
8c7d3bad | 776 | #if defined (_WIN32) && ! defined (__vxworks) && ! defined (IS_CROSS) |
e2c62f37 | 777 | TCHAR wpath[GNAT_MAX_PATH_LEN]; |
778 | TCHAR wmode[10]; | |
779 | ||
e2c62f37 | 780 | S2WS (wmode, mode, 10); |
1e622f0e | 781 | |
f60cc57d | 782 | if (encoding == Encoding_Unspecified) |
783 | S2WSC (wpath, path, GNAT_MAX_PATH_LEN); | |
784 | else if (encoding == Encoding_UTF8) | |
1e622f0e | 785 | S2WSU (wpath, path, GNAT_MAX_PATH_LEN); |
786 | else | |
787 | S2WS (wpath, path, GNAT_MAX_PATH_LEN); | |
788 | ||
e2c62f37 | 789 | return _tfopen (wpath, wmode); |
1e622f0e | 790 | #elif defined (VMS) |
791 | return decc$fopen (path, mode); | |
e2c62f37 | 792 | #else |
8cb516d7 | 793 | return GNAT_FOPEN (path, mode); |
7465a8fe | 794 | #endif |
e2c62f37 | 795 | } |
796 | ||
e2c62f37 | 797 | FILE * |
c62e34a4 | 798 | __gnat_freopen (char *path, char *mode, FILE *stream, int encoding ATTRIBUTE_UNUSED) |
e2c62f37 | 799 | { |
8c7d3bad | 800 | #if defined (_WIN32) && ! defined (__vxworks) && ! defined (IS_CROSS) |
e2c62f37 | 801 | TCHAR wpath[GNAT_MAX_PATH_LEN]; |
802 | TCHAR wmode[10]; | |
803 | ||
e2c62f37 | 804 | S2WS (wmode, mode, 10); |
1e622f0e | 805 | |
f60cc57d | 806 | if (encoding == Encoding_Unspecified) |
807 | S2WSC (wpath, path, GNAT_MAX_PATH_LEN); | |
808 | else if (encoding == Encoding_UTF8) | |
1e622f0e | 809 | S2WSU (wpath, path, GNAT_MAX_PATH_LEN); |
810 | else | |
811 | S2WS (wpath, path, GNAT_MAX_PATH_LEN); | |
812 | ||
e2c62f37 | 813 | return _tfreopen (wpath, wmode, stream); |
1e622f0e | 814 | #elif defined (VMS) |
815 | return decc$freopen (path, mode, stream); | |
e2c62f37 | 816 | #else |
817 | return freopen (path, mode, stream); | |
818 | #endif | |
819 | } | |
820 | ||
1fac938e | 821 | int |
9dfe12ae | 822 | __gnat_open_read (char *path, int fmode) |
1fac938e | 823 | { |
824 | int fd; | |
825 | int o_fmode = O_BINARY; | |
826 | ||
827 | if (fmode) | |
828 | o_fmode = O_TEXT; | |
829 | ||
f15731c4 | 830 | #if defined (VMS) |
831 | /* Optional arguments mbc,deq,fop increase read performance. */ | |
1fac938e | 832 | fd = open (path, O_RDONLY | o_fmode, 0444, |
833 | "mbc=16", "deq=64", "fop=tef"); | |
f15731c4 | 834 | #elif defined (__vxworks) |
1fac938e | 835 | fd = open (path, O_RDONLY | o_fmode, 0444); |
3b18b370 | 836 | #elif defined (__MINGW32__) |
837 | { | |
838 | TCHAR wpath[GNAT_MAX_PATH_LEN]; | |
839 | ||
f60cc57d | 840 | S2WSC (wpath, path, GNAT_MAX_PATH_LEN); |
3b18b370 | 841 | fd = _topen (wpath, O_RDONLY | o_fmode, 0444); |
842 | } | |
1fac938e | 843 | #else |
844 | fd = open (path, O_RDONLY | o_fmode); | |
845 | #endif | |
f15731c4 | 846 | |
1fac938e | 847 | return fd < 0 ? -1 : fd; |
848 | } | |
849 | ||
30592778 | 850 | #if defined (__MINGW32__) |
1fac938e | 851 | #define PERM (S_IREAD | S_IWRITE) |
9dfe12ae | 852 | #elif defined (VMS) |
853 | /* Excerpt from DECC C RTL Reference Manual: | |
854 | To create files with OpenVMS RMS default protections using the UNIX | |
855 | system-call functions umask, mkdir, creat, and open, call mkdir, creat, | |
856 | and open with a file-protection mode argument of 0777 in a program | |
857 | that never specifically calls umask. These default protections include | |
858 | correctly establishing protections based on ACLs, previous versions of | |
859 | files, and so on. */ | |
860 | #define PERM 0777 | |
1fac938e | 861 | #else |
862 | #define PERM (S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH | S_IWOTH) | |
863 | #endif | |
864 | ||
865 | int | |
9dfe12ae | 866 | __gnat_open_rw (char *path, int fmode) |
1fac938e | 867 | { |
868 | int fd; | |
869 | int o_fmode = O_BINARY; | |
870 | ||
871 | if (fmode) | |
872 | o_fmode = O_TEXT; | |
873 | ||
f15731c4 | 874 | #if defined (VMS) |
1fac938e | 875 | fd = open (path, O_RDWR | o_fmode, PERM, |
876 | "mbc=16", "deq=64", "fop=tef"); | |
3b18b370 | 877 | #elif defined (__MINGW32__) |
878 | { | |
879 | TCHAR wpath[GNAT_MAX_PATH_LEN]; | |
880 | ||
f60cc57d | 881 | S2WSC (wpath, path, GNAT_MAX_PATH_LEN); |
3b18b370 | 882 | fd = _topen (wpath, O_RDWR | o_fmode, PERM); |
883 | } | |
1fac938e | 884 | #else |
885 | fd = open (path, O_RDWR | o_fmode, PERM); | |
886 | #endif | |
887 | ||
888 | return fd < 0 ? -1 : fd; | |
889 | } | |
890 | ||
891 | int | |
9dfe12ae | 892 | __gnat_open_create (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_WRONLY | O_CREAT | O_TRUNC | 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_WRONLY | O_CREAT | O_TRUNC | o_fmode, PERM); |
909 | } | |
1fac938e | 910 | #else |
911 | fd = open (path, O_WRONLY | O_CREAT | O_TRUNC | o_fmode, PERM); | |
912 | #endif | |
913 | ||
914 | return fd < 0 ? -1 : fd; | |
28ed91d4 | 915 | } |
916 | ||
917 | int | |
918 | __gnat_create_output_file (char *path) | |
919 | { | |
920 | int fd; | |
921 | #if defined (VMS) | |
922 | fd = open (path, O_WRONLY | O_CREAT | O_TRUNC | O_TEXT, PERM, | |
923 | "rfm=stmlf", "ctx=rec", "rat=none", "rop=nlk", | |
924 | "shr=del,get,put,upd"); | |
3b18b370 | 925 | #elif defined (__MINGW32__) |
926 | { | |
927 | TCHAR wpath[GNAT_MAX_PATH_LEN]; | |
928 | ||
f60cc57d | 929 | S2WSC (wpath, path, GNAT_MAX_PATH_LEN); |
3b18b370 | 930 | fd = _topen (wpath, O_WRONLY | O_CREAT | O_TRUNC | O_TEXT, PERM); |
931 | } | |
28ed91d4 | 932 | #else |
933 | fd = open (path, O_WRONLY | O_CREAT | O_TRUNC | O_TEXT, PERM); | |
934 | #endif | |
935 | ||
936 | return fd < 0 ? -1 : fd; | |
1fac938e | 937 | } |
938 | ||
df40eeb0 | 939 | int |
940 | __gnat_create_output_file_new (char *path) | |
941 | { | |
942 | int fd; | |
943 | #if defined (VMS) | |
944 | fd = open (path, O_WRONLY | O_CREAT | O_TRUNC | O_TEXT | O_EXCL, PERM, | |
945 | "rfm=stmlf", "ctx=rec", "rat=none", "rop=nlk", | |
946 | "shr=del,get,put,upd"); | |
947 | #elif defined (__MINGW32__) | |
948 | { | |
949 | TCHAR wpath[GNAT_MAX_PATH_LEN]; | |
950 | ||
951 | S2WSC (wpath, path, GNAT_MAX_PATH_LEN); | |
952 | fd = _topen (wpath, O_WRONLY | O_CREAT | O_TRUNC | O_TEXT | O_EXCL, PERM); | |
953 | } | |
954 | #else | |
955 | fd = open (path, O_WRONLY | O_CREAT | O_TRUNC | O_TEXT | O_EXCL, PERM); | |
956 | #endif | |
957 | ||
958 | return fd < 0 ? -1 : fd; | |
959 | } | |
960 | ||
1fac938e | 961 | int |
9dfe12ae | 962 | __gnat_open_append (char *path, int fmode) |
1fac938e | 963 | { |
964 | int fd; | |
965 | int o_fmode = O_BINARY; | |
966 | ||
967 | if (fmode) | |
968 | o_fmode = O_TEXT; | |
969 | ||
f15731c4 | 970 | #if defined (VMS) |
1fac938e | 971 | fd = open (path, O_WRONLY | O_CREAT | O_APPEND | o_fmode, PERM, |
972 | "mbc=16", "deq=64", "fop=tef"); | |
3b18b370 | 973 | #elif defined (__MINGW32__) |
974 | { | |
975 | TCHAR wpath[GNAT_MAX_PATH_LEN]; | |
976 | ||
f60cc57d | 977 | S2WSC (wpath, path, GNAT_MAX_PATH_LEN); |
3b18b370 | 978 | fd = _topen (wpath, O_WRONLY | O_CREAT | O_APPEND | o_fmode, PERM); |
979 | } | |
1fac938e | 980 | #else |
981 | fd = open (path, O_WRONLY | O_CREAT | O_APPEND | o_fmode, PERM); | |
982 | #endif | |
983 | ||
984 | return fd < 0 ? -1 : fd; | |
985 | } | |
986 | ||
f15731c4 | 987 | /* Open a new file. Return error (-1) if the file already exists. */ |
1fac938e | 988 | |
989 | int | |
9dfe12ae | 990 | __gnat_open_new (char *path, int fmode) |
1fac938e | 991 | { |
992 | int fd; | |
993 | int o_fmode = O_BINARY; | |
994 | ||
995 | if (fmode) | |
996 | o_fmode = O_TEXT; | |
997 | ||
f15731c4 | 998 | #if defined (VMS) |
1fac938e | 999 | fd = open (path, O_WRONLY | O_CREAT | O_EXCL | o_fmode, PERM, |
1000 | "mbc=16", "deq=64", "fop=tef"); | |
3b18b370 | 1001 | #elif defined (__MINGW32__) |
1002 | { | |
1003 | TCHAR wpath[GNAT_MAX_PATH_LEN]; | |
1004 | ||
f60cc57d | 1005 | S2WSC (wpath, path, GNAT_MAX_PATH_LEN); |
3b18b370 | 1006 | fd = _topen (wpath, O_WRONLY | O_CREAT | O_EXCL | o_fmode, PERM); |
1007 | } | |
1fac938e | 1008 | #else |
1009 | fd = open (path, O_WRONLY | O_CREAT | O_EXCL | o_fmode, PERM); | |
1010 | #endif | |
1011 | ||
1012 | return fd < 0 ? -1 : fd; | |
1013 | } | |
1014 | ||
1015 | /* Open a new temp file. Return error (-1) if the file already exists. | |
f15731c4 | 1016 | Special options for VMS allow the file to be shared between parent and child |
1017 | processes, however they really slow down output. Used in gnatchop. */ | |
1fac938e | 1018 | |
1019 | int | |
9dfe12ae | 1020 | __gnat_open_new_temp (char *path, int fmode) |
1fac938e | 1021 | { |
1022 | int fd; | |
1023 | int o_fmode = O_BINARY; | |
1024 | ||
1025 | strcpy (path, "GNAT-XXXXXX"); | |
1026 | ||
e0324ff5 | 1027 | #if (defined (__FreeBSD__) || defined (__NetBSD__) || defined (__OpenBSD__) \ |
9d093602 | 1028 | || defined (linux) || defined(__GLIBC__)) && !defined (__vxworks) |
1fac938e | 1029 | return mkstemp (path); |
159eb63c | 1030 | #elif defined (__Lynx__) |
1031 | mktemp (path); | |
5091bc2f | 1032 | #elif defined (__nucleus__) |
1033 | return -1; | |
1fac938e | 1034 | #else |
1035 | if (mktemp (path) == NULL) | |
1036 | return -1; | |
1037 | #endif | |
1038 | ||
1039 | if (fmode) | |
1040 | o_fmode = O_TEXT; | |
1041 | ||
f15731c4 | 1042 | #if defined (VMS) |
1fac938e | 1043 | fd = open (path, O_WRONLY | O_CREAT | O_EXCL | o_fmode, PERM, |
1044 | "rfm=stmlf", "ctx=rec", "rat=none", "shr=del,get,put,upd", | |
1045 | "mbc=16", "deq=64", "fop=tef"); | |
1046 | #else | |
1047 | fd = open (path, O_WRONLY | O_CREAT | O_EXCL | o_fmode, PERM); | |
1048 | #endif | |
1049 | ||
1050 | return fd < 0 ? -1 : fd; | |
1051 | } | |
1052 | ||
5f93bcbf | 1053 | /**************************************************************** |
1054 | ** Perform a call to GNAT_STAT or GNAT_FSTAT, and extract as much information | |
1055 | ** as possible from it, storing the result in a cache for later reuse | |
1056 | ****************************************************************/ | |
1fac938e | 1057 | |
5f93bcbf | 1058 | void |
1059 | __gnat_stat_to_attr (int fd, char* name, struct file_attributes* attr) | |
1fac938e | 1060 | { |
8cb516d7 | 1061 | GNAT_STRUCT_STAT statbuf; |
5f93bcbf | 1062 | int ret; |
1fac938e | 1063 | |
5f93bcbf | 1064 | if (fd != -1) |
1065 | ret = GNAT_FSTAT (fd, &statbuf); | |
1066 | else | |
1067 | ret = __gnat_stat (name, &statbuf); | |
1068 | ||
1069 | attr->regular = (!ret && S_ISREG (statbuf.st_mode)); | |
1070 | attr->directory = (!ret && S_ISDIR (statbuf.st_mode)); | |
1fac938e | 1071 | |
5f93bcbf | 1072 | if (!attr->regular) |
1073 | attr->file_length = 0; | |
1074 | else | |
1075 | /* st_size may be 32 bits, or 64 bits which is converted to long. We | |
1076 | don't return a useful value for files larger than 2 gigabytes in | |
1077 | either case. */ | |
1078 | attr->file_length = statbuf.st_size; /* all systems */ | |
1079 | ||
1080 | #ifndef __MINGW32__ | |
1081 | /* on Windows requires extra system call, see comment in __gnat_file_exists_attr */ | |
1082 | attr->exists = !ret; | |
1083 | #endif | |
1084 | ||
1085 | #if !defined (_WIN32) || defined (RTX) | |
1086 | /* on Windows requires extra system call, see __gnat_is_readable_file_attr */ | |
1087 | attr->readable = (!ret && (statbuf.st_mode & S_IRUSR)); | |
1088 | attr->writable = (!ret && (statbuf.st_mode & S_IWUSR)); | |
1089 | attr->executable = (!ret && (statbuf.st_mode & S_IXUSR)); | |
1090 | #endif | |
1091 | ||
30592778 | 1092 | #if !defined (_WIN32) || defined (RTX) |
5f93bcbf | 1093 | /* on Windows requires extra system call, see __gnat_file_time_name_attr */ |
1094 | if (ret != 0) { | |
1095 | attr->timestamp = (OS_Time)-1; | |
1096 | } else { | |
1097 | #ifdef VMS | |
1098 | /* VMS has file versioning. */ | |
1099 | attr->timestamp = (OS_Time)statbuf.st_ctime; | |
1100 | #else | |
1101 | attr->timestamp = (OS_Time)statbuf.st_mtime; | |
1102 | #endif | |
1103 | } | |
1104 | #endif | |
c85cfca7 | 1105 | |
1fac938e | 1106 | } |
1107 | ||
5f93bcbf | 1108 | /**************************************************************** |
1109 | ** Return the number of bytes in the specified file | |
1110 | ****************************************************************/ | |
d24d7e81 | 1111 | |
1112 | long | |
5f93bcbf | 1113 | __gnat_file_length_attr (int fd, char* name, struct file_attributes* attr) |
d24d7e81 | 1114 | { |
5f93bcbf | 1115 | if (attr->file_length == -1) { |
1116 | __gnat_stat_to_attr (fd, name, attr); | |
1117 | } | |
d24d7e81 | 1118 | |
5f93bcbf | 1119 | return attr->file_length; |
1120 | } | |
d24d7e81 | 1121 | |
5f93bcbf | 1122 | long |
1123 | __gnat_file_length (int fd) | |
1124 | { | |
1125 | struct file_attributes attr; | |
d2697a05 | 1126 | __gnat_reset_attributes (&attr); |
5f93bcbf | 1127 | return __gnat_file_length_attr (fd, NULL, &attr); |
1128 | } | |
c85cfca7 | 1129 | |
5f93bcbf | 1130 | long |
1131 | __gnat_named_file_length (char *name) | |
1132 | { | |
1133 | struct file_attributes attr; | |
d2697a05 | 1134 | __gnat_reset_attributes (&attr); |
5f93bcbf | 1135 | return __gnat_file_length_attr (-1, name, &attr); |
d24d7e81 | 1136 | } |
1137 | ||
1fac938e | 1138 | /* Create a temporary filename and put it in string pointed to by |
f15731c4 | 1139 | TMP_FILENAME. */ |
1fac938e | 1140 | |
1141 | void | |
9dfe12ae | 1142 | __gnat_tmp_name (char *tmp_filename) |
1fac938e | 1143 | { |
72772d89 | 1144 | #ifdef RTX |
f5099270 | 1145 | /* Variable used to create a series of unique names */ |
1146 | static int counter = 0; | |
1147 | ||
1148 | /* RTX in RTSS mode does not support tempnam nor tmpnam so we emulate it */ | |
1149 | strcpy (tmp_filename, "c:\\WINDOWS\\Temp\\gnat-"); | |
1150 | sprintf (&tmp_filename[strlen (tmp_filename)], "%d\0", counter++); | |
72772d89 | 1151 | |
1152 | #elif defined (__MINGW32__) | |
1fac938e | 1153 | { |
1154 | char *pname; | |
1155 | ||
1156 | /* tempnam tries to create a temporary file in directory pointed to by | |
1157 | TMP environment variable, in c:\temp if TMP is not set, and in | |
1158 | directory specified by P_tmpdir in stdio.h if c:\temp does not | |
1159 | exist. The filename will be created with the prefix "gnat-". */ | |
1160 | ||
1161 | pname = (char *) tempnam ("c:\\temp", "gnat-"); | |
1162 | ||
9dfe12ae | 1163 | /* if pname is NULL, the file was not created properly, the disk is full |
1164 | or there is no more free temporary files */ | |
1165 | ||
1166 | if (pname == NULL) | |
1167 | *tmp_filename = '\0'; | |
1168 | ||
f15731c4 | 1169 | /* If pname start with a back slash and not path information it means that |
1170 | the filename is valid for the current working directory. */ | |
1fac938e | 1171 | |
9dfe12ae | 1172 | else if (pname[0] == '\\') |
1fac938e | 1173 | { |
1174 | strcpy (tmp_filename, ".\\"); | |
1175 | strcat (tmp_filename, pname+1); | |
1176 | } | |
1177 | else | |
1178 | strcpy (tmp_filename, pname); | |
1179 | ||
1180 | free (pname); | |
1181 | } | |
f15731c4 | 1182 | |
e0324ff5 | 1183 | #elif defined (linux) || defined (__FreeBSD__) || defined (__NetBSD__) \ |
9d093602 | 1184 | || defined (__OpenBSD__) || defined(__GLIBC__) |
9dfe12ae | 1185 | #define MAX_SAFE_PATH 1000 |
1fac938e | 1186 | char *tmpdir = getenv ("TMPDIR"); |
1187 | ||
9dfe12ae | 1188 | /* If tmpdir is longer than MAX_SAFE_PATH, revert to default value to avoid |
1189 | a buffer overflow. */ | |
1190 | if (tmpdir == NULL || strlen (tmpdir) > MAX_SAFE_PATH) | |
1fac938e | 1191 | strcpy (tmp_filename, "/tmp/gnat-XXXXXX"); |
1192 | else | |
9dfe12ae | 1193 | sprintf (tmp_filename, "%s/gnat-XXXXXX", tmpdir); |
1fac938e | 1194 | |
1195 | close (mkstemp(tmp_filename)); | |
1196 | #else | |
1197 | tmpnam (tmp_filename); | |
1198 | #endif | |
1199 | } | |
1200 | ||
3b18b370 | 1201 | /* Open directory and returns a DIR pointer. */ |
1202 | ||
1203 | DIR* __gnat_opendir (char *name) | |
1204 | { | |
e2a33c18 | 1205 | #if defined (RTX) |
1206 | /* Not supported in RTX */ | |
1207 | ||
1208 | return NULL; | |
1209 | ||
1210 | #elif defined (__MINGW32__) | |
3b18b370 | 1211 | TCHAR wname[GNAT_MAX_PATH_LEN]; |
1212 | ||
f60cc57d | 1213 | S2WSC (wname, name, GNAT_MAX_PATH_LEN); |
3b18b370 | 1214 | return (DIR*)_topendir (wname); |
1215 | ||
1216 | #else | |
1217 | return opendir (name); | |
1218 | #endif | |
1219 | } | |
1220 | ||
1fac938e | 1221 | /* Read the next entry in a directory. The returned string points somewhere |
1222 | in the buffer. */ | |
1223 | ||
1224 | char * | |
3b18b370 | 1225 | __gnat_readdir (DIR *dirp, char *buffer, int *len) |
1fac938e | 1226 | { |
e2a33c18 | 1227 | #if defined (RTX) |
1228 | /* Not supported in RTX */ | |
1229 | ||
1230 | return NULL; | |
8e726ab4 | 1231 | |
e2a33c18 | 1232 | #elif defined (__MINGW32__) |
3b18b370 | 1233 | struct _tdirent *dirent = _treaddir ((_TDIR*)dirp); |
1234 | ||
1235 | if (dirent != NULL) | |
1236 | { | |
f60cc57d | 1237 | WS2SC (buffer, dirent->d_name, GNAT_MAX_PATH_LEN); |
3b18b370 | 1238 | *len = strlen (buffer); |
1239 | ||
1240 | return buffer; | |
1241 | } | |
1242 | else | |
1243 | return NULL; | |
1244 | ||
1245 | #elif defined (HAVE_READDIR_R) | |
1fac938e | 1246 | /* If possible, try to use the thread-safe version. */ |
1fac938e | 1247 | if (readdir_r (dirp, buffer) != NULL) |
1aa4b9ce | 1248 | { |
1249 | *len = strlen (((struct dirent*) buffer)->d_name); | |
1250 | return ((struct dirent*) buffer)->d_name; | |
1251 | } | |
1fac938e | 1252 | else |
1253 | return NULL; | |
1254 | ||
1255 | #else | |
5b941af6 | 1256 | struct dirent *dirent = (struct dirent *) readdir (dirp); |
1fac938e | 1257 | |
1258 | if (dirent != NULL) | |
1259 | { | |
1260 | strcpy (buffer, dirent->d_name); | |
3b18b370 | 1261 | *len = strlen (buffer); |
1fac938e | 1262 | return buffer; |
1263 | } | |
1264 | else | |
1265 | return NULL; | |
1266 | ||
1267 | #endif | |
1268 | } | |
1269 | ||
3b18b370 | 1270 | /* Close a directory entry. */ |
1271 | ||
1272 | int __gnat_closedir (DIR *dirp) | |
1273 | { | |
e2a33c18 | 1274 | #if defined (RTX) |
1275 | /* Not supported in RTX */ | |
1276 | ||
1277 | return 0; | |
1278 | ||
1279 | #elif defined (__MINGW32__) | |
3b18b370 | 1280 | return _tclosedir ((_TDIR*)dirp); |
1281 | ||
1282 | #else | |
1283 | return closedir (dirp); | |
1284 | #endif | |
1285 | } | |
1286 | ||
1fac938e | 1287 | /* Returns 1 if readdir is thread safe, 0 otherwise. */ |
1288 | ||
1289 | int | |
6f2c2693 | 1290 | __gnat_readdir_is_thread_safe (void) |
1fac938e | 1291 | { |
1292 | #ifdef HAVE_READDIR_R | |
1293 | return 1; | |
1294 | #else | |
1295 | return 0; | |
1296 | #endif | |
1297 | } | |
1298 | ||
e2a33c18 | 1299 | #if defined (_WIN32) && !defined (RTX) |
982e2721 | 1300 | /* Number of seconds between <Jan 1st 1601> and <Jan 1st 1970>. */ |
1301 | static const unsigned long long w32_epoch_offset = 11644473600ULL; | |
1fac938e | 1302 | |
1303 | /* Returns the file modification timestamp using Win32 routines which are | |
1304 | immune against daylight saving time change. It is in fact not possible to | |
1305 | use fstat for this purpose as the DST modify the st_mtime field of the | |
1306 | stat structure. */ | |
1307 | ||
1308 | static time_t | |
9dfe12ae | 1309 | win32_filetime (HANDLE h) |
1fac938e | 1310 | { |
982e2721 | 1311 | union |
1312 | { | |
1313 | FILETIME ft_time; | |
1314 | unsigned long long ull_time; | |
1315 | } t_write; | |
1fac938e | 1316 | |
1317 | /* GetFileTime returns FILETIME data which are the number of 100 nanosecs | |
1318 | since <Jan 1st 1601>. This function must return the number of seconds | |
1319 | since <Jan 1st 1970>. */ | |
1320 | ||
982e2721 | 1321 | if (GetFileTime (h, NULL, NULL, &t_write.ft_time)) |
3b18b370 | 1322 | return (time_t) (t_write.ull_time / 10000000ULL - w32_epoch_offset); |
982e2721 | 1323 | return (time_t) 0; |
1fac938e | 1324 | } |
1325 | #endif | |
1326 | ||
1327 | /* Return a GNAT time stamp given a file name. */ | |
1328 | ||
1bbc9831 | 1329 | OS_Time |
5f93bcbf | 1330 | __gnat_file_time_name_attr (char* name, struct file_attributes* attr) |
1fac938e | 1331 | { |
5f93bcbf | 1332 | if (attr->timestamp == (OS_Time)-2) { |
30592778 | 1333 | #if defined (_WIN32) && !defined (RTX) |
5f93bcbf | 1334 | time_t ret = -1; |
1335 | TCHAR wname[GNAT_MAX_PATH_LEN]; | |
1336 | S2WSC (wname, name, GNAT_MAX_PATH_LEN); | |
3b18b370 | 1337 | |
5f93bcbf | 1338 | HANDLE h = CreateFile |
1339 | (wname, GENERIC_READ, FILE_SHARE_READ, 0, | |
1340 | OPEN_EXISTING, FILE_FLAG_BACKUP_SEMANTICS, 0); | |
fabb7dc5 | 1341 | |
5f93bcbf | 1342 | if (h != INVALID_HANDLE_VALUE) { |
1343 | ret = win32_filetime (h); | |
1344 | CloseHandle (h); | |
1345 | } | |
1346 | attr->timestamp = (OS_Time) ret; | |
1fac938e | 1347 | #else |
5f93bcbf | 1348 | __gnat_stat_to_attr (-1, name, attr); |
1fac938e | 1349 | #endif |
1bbc9831 | 1350 | } |
5f93bcbf | 1351 | return attr->timestamp; |
1352 | } | |
1353 | ||
1354 | OS_Time | |
1355 | __gnat_file_time_name (char *name) | |
1356 | { | |
1357 | struct file_attributes attr; | |
d2697a05 | 1358 | __gnat_reset_attributes (&attr); |
5f93bcbf | 1359 | return __gnat_file_time_name_attr (name, &attr); |
1fac938e | 1360 | } |
1361 | ||
1362 | /* Return a GNAT time stamp given a file descriptor. */ | |
1363 | ||
1bbc9831 | 1364 | OS_Time |
5f93bcbf | 1365 | __gnat_file_time_fd_attr (int fd, struct file_attributes* attr) |
1fac938e | 1366 | { |
5f93bcbf | 1367 | if (attr->timestamp == (OS_Time)-2) { |
30592778 | 1368 | #if defined (_WIN32) && !defined (RTX) |
5f93bcbf | 1369 | HANDLE h = (HANDLE) _get_osfhandle (fd); |
1370 | time_t ret = win32_filetime (h); | |
1371 | attr->timestamp = (OS_Time) ret; | |
1fac938e | 1372 | |
1373 | #else | |
5f93bcbf | 1374 | __gnat_stat_to_attr (fd, NULL, attr); |
1fac938e | 1375 | #endif |
5f93bcbf | 1376 | } |
1377 | ||
1378 | return attr->timestamp; | |
1379 | } | |
1380 | ||
1381 | OS_Time | |
1382 | __gnat_file_time_fd (int fd) | |
1383 | { | |
1384 | struct file_attributes attr; | |
d2697a05 | 1385 | __gnat_reset_attributes (&attr); |
5f93bcbf | 1386 | return __gnat_file_time_fd_attr (fd, &attr); |
1fac938e | 1387 | } |
1388 | ||
f15731c4 | 1389 | /* Set the file time stamp. */ |
d8dd2062 | 1390 | |
1391 | void | |
9dfe12ae | 1392 | __gnat_set_file_time_name (char *name, time_t time_stamp) |
d8dd2062 | 1393 | { |
30592778 | 1394 | #if defined (__vxworks) |
71a3e619 | 1395 | |
f15731c4 | 1396 | /* Code to implement __gnat_set_file_time_name for these systems. */ |
71a3e619 | 1397 | |
e2a33c18 | 1398 | #elif defined (_WIN32) && !defined (RTX) |
982e2721 | 1399 | union |
1400 | { | |
1401 | FILETIME ft_time; | |
1402 | unsigned long long ull_time; | |
1403 | } t_write; | |
3b18b370 | 1404 | TCHAR wname[GNAT_MAX_PATH_LEN]; |
fabb7dc5 | 1405 | |
f60cc57d | 1406 | S2WSC (wname, name, GNAT_MAX_PATH_LEN); |
3b18b370 | 1407 | |
1408 | HANDLE h = CreateFile | |
1409 | (wname, GENERIC_WRITE, FILE_SHARE_WRITE, NULL, | |
1410 | OPEN_EXISTING, FILE_FLAG_BACKUP_SEMANTICS, | |
1411 | NULL); | |
982e2721 | 1412 | if (h == INVALID_HANDLE_VALUE) |
1413 | return; | |
1414 | /* Add number of seconds between <Jan 1st 1601> and <Jan 1st 1970> */ | |
1415 | t_write.ull_time = ((unsigned long long)time_stamp + w32_epoch_offset); | |
1416 | /* Convert to 100 nanosecond units */ | |
1417 | t_write.ull_time *= 10000000ULL; | |
1418 | ||
1419 | SetFileTime(h, NULL, NULL, &t_write.ft_time); | |
1420 | CloseHandle (h); | |
1421 | return; | |
1422 | ||
d8dd2062 | 1423 | #elif defined (VMS) |
1424 | struct FAB fab; | |
1425 | struct NAM nam; | |
1426 | ||
1427 | struct | |
1428 | { | |
1429 | unsigned long long backup, create, expire, revise; | |
8620a406 | 1430 | unsigned int uic; |
d8dd2062 | 1431 | union |
1432 | { | |
1433 | unsigned short value; | |
1434 | struct | |
1435 | { | |
1436 | unsigned system : 4; | |
1437 | unsigned owner : 4; | |
1438 | unsigned group : 4; | |
1439 | unsigned world : 4; | |
1440 | } bits; | |
1441 | } prot; | |
f15731c4 | 1442 | } Fat = { 0, 0, 0, 0, 0, { 0 }}; |
d8dd2062 | 1443 | |
f15731c4 | 1444 | ATRDEF atrlst[] |
d8dd2062 | 1445 | = { |
1446 | { ATR$S_CREDATE, ATR$C_CREDATE, &Fat.create }, | |
1447 | { ATR$S_REVDATE, ATR$C_REVDATE, &Fat.revise }, | |
1448 | { ATR$S_EXPDATE, ATR$C_EXPDATE, &Fat.expire }, | |
1449 | { ATR$S_BAKDATE, ATR$C_BAKDATE, &Fat.backup }, | |
f15731c4 | 1450 | { ATR$S_FPRO, ATR$C_FPRO, &Fat.prot }, |
d8dd2062 | 1451 | { ATR$S_UIC, ATR$C_UIC, &Fat.uic }, |
1452 | { 0, 0, 0} | |
1453 | }; | |
1454 | ||
1455 | FIBDEF fib; | |
1456 | struct dsc$descriptor_fib fibdsc = {sizeof (fib), (void *) &fib}; | |
1457 | ||
1458 | struct IOSB iosb; | |
1459 | ||
1460 | unsigned long long newtime; | |
1461 | unsigned long long revtime; | |
1462 | long status; | |
1463 | short chan; | |
1464 | ||
1465 | struct vstring file; | |
1466 | struct dsc$descriptor_s filedsc | |
1467 | = {NAM$C_MAXRSS, DSC$K_DTYPE_T, DSC$K_CLASS_S, (void *) file.string}; | |
1468 | struct vstring device; | |
1469 | struct dsc$descriptor_s devicedsc | |
1470 | = {NAM$C_MAXRSS, DSC$K_DTYPE_T, DSC$K_CLASS_S, (void *) device.string}; | |
1471 | struct vstring timev; | |
1472 | struct dsc$descriptor_s timedsc | |
1473 | = {NAM$C_MAXRSS, DSC$K_DTYPE_T, DSC$K_CLASS_S, (void *) timev.string}; | |
1474 | struct vstring result; | |
1475 | struct dsc$descriptor_s resultdsc | |
1476 | = {NAM$C_MAXRSS, DSC$K_DTYPE_VT, DSC$K_CLASS_VS, (void *) result.string}; | |
1477 | ||
3b18b370 | 1478 | /* Convert parameter name (a file spec) to host file form. Note that this |
1479 | is needed on VMS to prepare for subsequent calls to VMS RMS library | |
1480 | routines. Note that it would not work to call __gnat_to_host_dir_spec | |
1481 | as was done in a previous version, since this fails silently unless | |
1482 | the feature logical DECC$EFS_CHARSET is enabled, in which case a DNF | |
1483 | (directory not found) condition is signalled. */ | |
1484 | tryfile = (char *) __gnat_to_host_file_spec (name); | |
d8dd2062 | 1485 | |
f15731c4 | 1486 | /* Allocate and initialize a FAB and NAM structures. */ |
d8dd2062 | 1487 | fab = cc$rms_fab; |
1488 | nam = cc$rms_nam; | |
1489 | ||
1490 | nam.nam$l_esa = file.string; | |
1491 | nam.nam$b_ess = NAM$C_MAXRSS; | |
1492 | nam.nam$l_rsa = result.string; | |
1493 | nam.nam$b_rss = NAM$C_MAXRSS; | |
1494 | fab.fab$l_fna = tryfile; | |
1495 | fab.fab$b_fns = strlen (tryfile); | |
1496 | fab.fab$l_nam = &nam; | |
1497 | ||
f15731c4 | 1498 | /* Validate filespec syntax and device existence. */ |
d8dd2062 | 1499 | status = SYS$PARSE (&fab, 0, 0); |
1500 | if ((status & 1) != 1) | |
1501 | LIB$SIGNAL (status); | |
1502 | ||
f15731c4 | 1503 | file.string[nam.nam$b_esl] = 0; |
d8dd2062 | 1504 | |
f15731c4 | 1505 | /* Find matching filespec. */ |
d8dd2062 | 1506 | status = SYS$SEARCH (&fab, 0, 0); |
1507 | if ((status & 1) != 1) | |
1508 | LIB$SIGNAL (status); | |
1509 | ||
f15731c4 | 1510 | file.string[nam.nam$b_esl] = 0; |
1511 | result.string[result.length=nam.nam$b_rsl] = 0; | |
d8dd2062 | 1512 | |
f15731c4 | 1513 | /* Get the device name and assign an IO channel. */ |
d8dd2062 | 1514 | strncpy (device.string, nam.nam$l_dev, nam.nam$b_dev); |
1515 | devicedsc.dsc$w_length = nam.nam$b_dev; | |
1516 | chan = 0; | |
1517 | status = SYS$ASSIGN (&devicedsc, &chan, 0, 0, 0); | |
1518 | if ((status & 1) != 1) | |
1519 | LIB$SIGNAL (status); | |
1520 | ||
f15731c4 | 1521 | /* Initialize the FIB and fill in the directory id field. */ |
1522 | memset (&fib, 0, sizeof (fib)); | |
1523 | fib.fib$w_did[0] = nam.nam$w_did[0]; | |
1524 | fib.fib$w_did[1] = nam.nam$w_did[1]; | |
1525 | fib.fib$w_did[2] = nam.nam$w_did[2]; | |
d8dd2062 | 1526 | fib.fib$l_acctl = 0; |
1527 | fib.fib$l_wcc = 0; | |
1528 | strcpy (file.string, (strrchr (result.string, ']') + 1)); | |
1529 | filedsc.dsc$w_length = strlen (file.string); | |
f15731c4 | 1530 | result.string[result.length = 0] = 0; |
d8dd2062 | 1531 | |
1532 | /* Open and close the file to fill in the attributes. */ | |
1533 | status | |
1534 | = SYS$QIOW (0, chan, IO$_ACCESS|IO$M_ACCESS, &iosb, 0, 0, | |
1535 | &fibdsc, &filedsc, &result.length, &resultdsc, &atrlst, 0); | |
1536 | if ((status & 1) != 1) | |
1537 | LIB$SIGNAL (status); | |
1538 | if ((iosb.status & 1) != 1) | |
1539 | LIB$SIGNAL (iosb.status); | |
1540 | ||
f15731c4 | 1541 | result.string[result.length] = 0; |
1542 | status = SYS$QIOW (0, chan, IO$_DEACCESS, &iosb, 0, 0, &fibdsc, 0, 0, 0, | |
1543 | &atrlst, 0); | |
d8dd2062 | 1544 | if ((status & 1) != 1) |
1545 | LIB$SIGNAL (status); | |
1546 | if ((iosb.status & 1) != 1) | |
1547 | LIB$SIGNAL (iosb.status); | |
1548 | ||
d8dd2062 | 1549 | { |
1550 | time_t t; | |
f15731c4 | 1551 | |
1552 | /* Set creation time to requested time. */ | |
9dfe12ae | 1553 | unix_time_to_vms (time_stamp, newtime); |
f15731c4 | 1554 | |
d8dd2062 | 1555 | t = time ((time_t) 0); |
d8dd2062 | 1556 | |
f15731c4 | 1557 | /* Set revision time to now in local time. */ |
9dfe12ae | 1558 | unix_time_to_vms (t, revtime); |
d8dd2062 | 1559 | } |
1560 | ||
f15731c4 | 1561 | /* Reopen the file, modify the times and then close. */ |
d8dd2062 | 1562 | fib.fib$l_acctl = FIB$M_WRITE; |
1563 | status | |
1564 | = SYS$QIOW (0, chan, IO$_ACCESS|IO$M_ACCESS, &iosb, 0, 0, | |
1565 | &fibdsc, &filedsc, &result.length, &resultdsc, &atrlst, 0); | |
1566 | if ((status & 1) != 1) | |
1567 | LIB$SIGNAL (status); | |
1568 | if ((iosb.status & 1) != 1) | |
1569 | LIB$SIGNAL (iosb.status); | |
1570 | ||
1571 | Fat.create = newtime; | |
1572 | Fat.revise = revtime; | |
1573 | ||
1574 | status = SYS$QIOW (0, chan, IO$_DEACCESS, &iosb, 0, 0, | |
1575 | &fibdsc, 0, 0, 0, &atrlst, 0); | |
1576 | if ((status & 1) != 1) | |
1577 | LIB$SIGNAL (status); | |
1578 | if ((iosb.status & 1) != 1) | |
1579 | LIB$SIGNAL (iosb.status); | |
1580 | ||
f15731c4 | 1581 | /* Deassign the channel and exit. */ |
d8dd2062 | 1582 | status = SYS$DASSGN (chan); |
1583 | if ((status & 1) != 1) | |
1584 | LIB$SIGNAL (status); | |
1585 | #else | |
1586 | struct utimbuf utimbuf; | |
1587 | time_t t; | |
1588 | ||
f15731c4 | 1589 | /* Set modification time to requested time. */ |
d8dd2062 | 1590 | utimbuf.modtime = time_stamp; |
1591 | ||
f15731c4 | 1592 | /* Set access time to now in local time. */ |
d8dd2062 | 1593 | t = time ((time_t) 0); |
1594 | utimbuf.actime = mktime (localtime (&t)); | |
1595 | ||
1596 | utime (name, &utimbuf); | |
1597 | #endif | |
1598 | } | |
1599 | ||
1fac938e | 1600 | /* Get the list of installed standard libraries from the |
1601 | HKEY_LOCAL_MACHINE\SOFTWARE\Ada Core Technologies\GNAT\Standard Libraries | |
1602 | key. */ | |
1603 | ||
1604 | char * | |
6f2c2693 | 1605 | __gnat_get_libraries_from_registry (void) |
1fac938e | 1606 | { |
69d33a1d | 1607 | char *result = (char *) xmalloc (1); |
1608 | ||
1609 | result[0] = '\0'; | |
1fac938e | 1610 | |
8c7d3bad | 1611 | #if defined (_WIN32) && ! defined (__vxworks) && ! defined (IS_CROSS) \ |
1612 | && ! defined (RTX) | |
1fac938e | 1613 | |
1614 | HKEY reg_key; | |
1615 | DWORD name_size, value_size; | |
1616 | char name[256]; | |
1617 | char value[256]; | |
1618 | DWORD type; | |
1619 | DWORD index; | |
1620 | LONG res; | |
1621 | ||
1622 | /* First open the key. */ | |
1623 | res = RegOpenKeyExA (HKEY_LOCAL_MACHINE, "SOFTWARE", 0, KEY_READ, ®_key); | |
1624 | ||
1625 | if (res == ERROR_SUCCESS) | |
1626 | res = RegOpenKeyExA (reg_key, "Ada Core Technologies", 0, | |
1627 | KEY_READ, ®_key); | |
1628 | ||
1629 | if (res == ERROR_SUCCESS) | |
1630 | res = RegOpenKeyExA (reg_key, "GNAT", 0, KEY_READ, ®_key); | |
1631 | ||
1632 | if (res == ERROR_SUCCESS) | |
1633 | res = RegOpenKeyExA (reg_key, "Standard Libraries", 0, KEY_READ, ®_key); | |
1634 | ||
1635 | /* If the key exists, read out all the values in it and concatenate them | |
1636 | into a path. */ | |
1637 | for (index = 0; res == ERROR_SUCCESS; index++) | |
1638 | { | |
1639 | value_size = name_size = 256; | |
2726b813 | 1640 | res = RegEnumValueA (reg_key, index, name, &name_size, 0, |
e2c62f37 | 1641 | &type, (LPBYTE)value, &value_size); |
1fac938e | 1642 | |
1643 | if (res == ERROR_SUCCESS && type == REG_SZ) | |
1644 | { | |
1645 | char *old_result = result; | |
1646 | ||
1647 | result = (char *) xmalloc (strlen (old_result) + value_size + 2); | |
1648 | strcpy (result, old_result); | |
1649 | strcat (result, value); | |
1650 | strcat (result, ";"); | |
69d33a1d | 1651 | free (old_result); |
1fac938e | 1652 | } |
1653 | } | |
1654 | ||
1655 | /* Remove the trailing ";". */ | |
1656 | if (result[0] != 0) | |
1657 | result[strlen (result) - 1] = 0; | |
2b4d7555 | 1658 | |
69d33a1d | 1659 | #endif |
1fac938e | 1660 | return result; |
1661 | } | |
1662 | ||
1663 | int | |
8cb516d7 | 1664 | __gnat_stat (char *name, GNAT_STRUCT_STAT *statbuf) |
1fac938e | 1665 | { |
3b18b370 | 1666 | #ifdef __MINGW32__ |
1fac938e | 1667 | /* Under Windows the directory name for the stat function must not be |
8234fccd | 1668 | terminated by a directory separator except if just after a drive name |
1669 | or with UNC path without directory (only the name of the shared | |
1670 | resource), for example: \\computer\share\ */ | |
1671 | ||
3b18b370 | 1672 | TCHAR wname [GNAT_MAX_PATH_LEN + 2]; |
8234fccd | 1673 | int name_len, k; |
3b18b370 | 1674 | TCHAR last_char; |
8234fccd | 1675 | int dirsep_count = 0; |
3b18b370 | 1676 | |
f60cc57d | 1677 | S2WSC (wname, name, GNAT_MAX_PATH_LEN + 2); |
3b18b370 | 1678 | name_len = _tcslen (wname); |
e7b2d6bc | 1679 | |
1680 | if (name_len > GNAT_MAX_PATH_LEN) | |
1681 | return -1; | |
1fac938e | 1682 | |
3b18b370 | 1683 | last_char = wname[name_len - 1]; |
1fac938e | 1684 | |
3b18b370 | 1685 | while (name_len > 1 && (last_char == _T('\\') || last_char == _T('/'))) |
1fac938e | 1686 | { |
3b18b370 | 1687 | wname[name_len - 1] = _T('\0'); |
1fac938e | 1688 | name_len--; |
3b18b370 | 1689 | last_char = wname[name_len - 1]; |
1fac938e | 1690 | } |
1691 | ||
8234fccd | 1692 | /* Count back-slashes. */ |
1693 | ||
1694 | for (k=0; k<name_len; k++) | |
1695 | if (wname[k] == _T('\\') || wname[k] == _T('/')) | |
1696 | dirsep_count++; | |
1697 | ||
3b18b370 | 1698 | /* Only a drive letter followed by ':', we must add a directory separator |
1699 | for the stat routine to work properly. */ | |
8234fccd | 1700 | if ((name_len == 2 && wname[1] == _T(':')) |
1701 | || (name_len > 3 && wname[0] == _T('\\') && wname[1] == _T('\\') | |
1702 | && dirsep_count == 3)) | |
3b18b370 | 1703 | _tcscat (wname, _T("\\")); |
1fac938e | 1704 | |
2726b813 | 1705 | return _tstat (wname, (struct _stat *)statbuf); |
1fac938e | 1706 | |
1707 | #else | |
8cb516d7 | 1708 | return GNAT_STAT (name, statbuf); |
1fac938e | 1709 | #endif |
1710 | } | |
1711 | ||
5f93bcbf | 1712 | /************************************************************************* |
1713 | ** Check whether a file exists | |
1714 | *************************************************************************/ | |
1715 | ||
1fac938e | 1716 | int |
5f93bcbf | 1717 | __gnat_file_exists_attr (char* name, struct file_attributes* attr) |
1fac938e | 1718 | { |
bce992c9 | 1719 | if (attr->exists == ATTR_UNSET) { |
8e726ab4 | 1720 | #ifdef __MINGW32__ |
5f93bcbf | 1721 | /* On Windows do not use __gnat_stat() because of a bug in Microsoft |
1722 | _stat() routine. When the system time-zone is set with a negative | |
1723 | offset the _stat() routine fails on specific files like CON: */ | |
1724 | TCHAR wname [GNAT_MAX_PATH_LEN + 2]; | |
1725 | S2WSC (wname, name, GNAT_MAX_PATH_LEN + 2); | |
1726 | attr->exists = GetFileAttributes (wname) != INVALID_FILE_ATTRIBUTES; | |
1aa4b9ce | 1727 | #else |
5f93bcbf | 1728 | __gnat_stat_to_attr (-1, name, attr); |
1aa4b9ce | 1729 | #endif |
5f93bcbf | 1730 | } |
1731 | ||
1732 | return attr->exists; | |
1fac938e | 1733 | } |
1734 | ||
5f93bcbf | 1735 | int |
1736 | __gnat_file_exists (char *name) | |
1737 | { | |
1738 | struct file_attributes attr; | |
d2697a05 | 1739 | __gnat_reset_attributes (&attr); |
5f93bcbf | 1740 | return __gnat_file_exists_attr (name, &attr); |
1741 | } | |
1742 | ||
1743 | /********************************************************************** | |
1744 | ** Whether name is an absolute path | |
1745 | **********************************************************************/ | |
1746 | ||
9dfe12ae | 1747 | int |
4a3f445c | 1748 | __gnat_is_absolute_path (char *name, int length) |
1fac938e | 1749 | { |
8620a406 | 1750 | #ifdef __vxworks |
1751 | /* On VxWorks systems, an absolute path can be represented (depending on | |
1752 | the host platform) as either /dir/file, or device:/dir/file, or | |
1753 | device:drive_letter:/dir/file. */ | |
1754 | ||
1755 | int index; | |
1756 | ||
1757 | if (name[0] == '/') | |
1758 | return 1; | |
1759 | ||
1760 | for (index = 0; index < length; index++) | |
1761 | { | |
1762 | if (name[index] == ':' && | |
1763 | ((name[index + 1] == '/') || | |
1764 | (isalpha (name[index + 1]) && index + 2 <= length && | |
1765 | name[index + 2] == '/'))) | |
1766 | return 1; | |
1767 | ||
1768 | else if (name[index] == '/') | |
1769 | return 0; | |
1770 | } | |
1771 | return 0; | |
1772 | #else | |
4a3f445c | 1773 | return (length != 0) && |
1774 | (*name == '/' || *name == DIR_SEPARATOR | |
30592778 | 1775 | #if defined (WINNT) |
a4f295eb | 1776 | || (length > 1 && ISALPHA (name[0]) && name[1] == ':') |
1fac938e | 1777 | #endif |
69d33a1d | 1778 | ); |
8620a406 | 1779 | #endif |
1fac938e | 1780 | } |
1781 | ||
5f93bcbf | 1782 | int |
1783 | __gnat_is_regular_file_attr (char* name, struct file_attributes* attr) | |
1784 | { | |
bce992c9 | 1785 | if (attr->regular == ATTR_UNSET) { |
5f93bcbf | 1786 | __gnat_stat_to_attr (-1, name, attr); |
1787 | } | |
1788 | ||
1789 | return attr->regular; | |
1790 | } | |
1791 | ||
1fac938e | 1792 | int |
9dfe12ae | 1793 | __gnat_is_regular_file (char *name) |
1fac938e | 1794 | { |
5f93bcbf | 1795 | struct file_attributes attr; |
d2697a05 | 1796 | __gnat_reset_attributes (&attr); |
5f93bcbf | 1797 | return __gnat_is_regular_file_attr (name, &attr); |
1798 | } | |
1799 | ||
1800 | int | |
1801 | __gnat_is_directory_attr (char* name, struct file_attributes* attr) | |
1802 | { | |
bce992c9 | 1803 | if (attr->directory == ATTR_UNSET) { |
5f93bcbf | 1804 | __gnat_stat_to_attr (-1, name, attr); |
1805 | } | |
1fac938e | 1806 | |
5f93bcbf | 1807 | return attr->directory; |
1fac938e | 1808 | } |
1809 | ||
1810 | int | |
9dfe12ae | 1811 | __gnat_is_directory (char *name) |
1fac938e | 1812 | { |
5f93bcbf | 1813 | struct file_attributes attr; |
d2697a05 | 1814 | __gnat_reset_attributes (&attr); |
5f93bcbf | 1815 | return __gnat_is_directory_attr (name, &attr); |
1fac938e | 1816 | } |
1817 | ||
7db1ef17 | 1818 | #if defined (_WIN32) && !defined (RTX) |
57ecb969 | 1819 | |
1820 | /* Returns the same constant as GetDriveType but takes a pathname as | |
1821 | argument. */ | |
1822 | ||
1823 | static UINT | |
1824 | GetDriveTypeFromPath (TCHAR *wfullpath) | |
1825 | { | |
1826 | TCHAR wdrv[MAX_PATH]; | |
1827 | TCHAR wpath[MAX_PATH]; | |
1828 | TCHAR wfilename[MAX_PATH]; | |
1829 | TCHAR wext[MAX_PATH]; | |
1830 | ||
1831 | _tsplitpath (wfullpath, wdrv, wpath, wfilename, wext); | |
1832 | ||
1833 | if (_tcslen (wdrv) != 0) | |
1834 | { | |
1835 | /* we have a drive specified. */ | |
1836 | _tcscat (wdrv, _T("\\")); | |
1837 | return GetDriveType (wdrv); | |
1838 | } | |
1839 | else | |
1840 | { | |
1841 | /* No drive specified. */ | |
1842 | ||
1843 | /* Is this a relative path, if so get current drive type. */ | |
1844 | if (wpath[0] != _T('\\') || | |
69d33a1d | 1845 | (_tcslen (wpath) > 2 && wpath[0] == _T('\\') && wpath[1] != _T('\\'))) |
1846 | return GetDriveType (NULL); | |
57ecb969 | 1847 | |
1848 | UINT result = GetDriveType (wpath); | |
1849 | ||
1850 | /* Cannot guess the drive type, is this \\.\ ? */ | |
1851 | ||
1852 | if (result == DRIVE_NO_ROOT_DIR && | |
69d33a1d | 1853 | _tcslen (wpath) >= 4 && wpath[0] == _T('\\') && wpath[1] == _T('\\') |
1854 | && wpath[2] == _T('.') && wpath[3] == _T('\\')) | |
1855 | { | |
1856 | if (_tcslen (wpath) == 4) | |
1857 | _tcscat (wpath, wfilename); | |
57ecb969 | 1858 | |
69d33a1d | 1859 | LPTSTR p = &wpath[4]; |
1860 | LPTSTR b = _tcschr (p, _T('\\')); | |
57ecb969 | 1861 | |
69d33a1d | 1862 | if (b != NULL) |
1863 | { /* logical drive \\.\c\dir\file */ | |
1864 | *b++ = _T(':'); | |
1865 | *b++ = _T('\\'); | |
1866 | *b = _T('\0'); | |
1867 | } | |
1868 | else | |
1869 | _tcscat (p, _T(":\\")); | |
57ecb969 | 1870 | |
69d33a1d | 1871 | return GetDriveType (p); |
1872 | } | |
57ecb969 | 1873 | |
1874 | return result; | |
1875 | } | |
1876 | } | |
1877 | ||
7db1ef17 | 1878 | /* This MingW section contains code to work with ACL. */ |
1879 | static int | |
1880 | __gnat_check_OWNER_ACL | |
3855c659 | 1881 | (TCHAR *wname, |
7db1ef17 | 1882 | DWORD CheckAccessDesired, |
1883 | GENERIC_MAPPING CheckGenericMapping) | |
1884 | { | |
7db1ef17 | 1885 | DWORD dwAccessDesired, dwAccessAllowed; |
1886 | PRIVILEGE_SET PrivilegeSet; | |
1887 | DWORD dwPrivSetSize = sizeof (PRIVILEGE_SET); | |
1888 | BOOL fAccessGranted = FALSE; | |
f060ec3a | 1889 | HANDLE hToken = NULL; |
1890 | DWORD nLength = 0; | |
7db1ef17 | 1891 | SECURITY_DESCRIPTOR* pSD = NULL; |
1892 | ||
7db1ef17 | 1893 | GetFileSecurity |
1894 | (wname, OWNER_SECURITY_INFORMATION | | |
1895 | GROUP_SECURITY_INFORMATION | DACL_SECURITY_INFORMATION, | |
1896 | NULL, 0, &nLength); | |
1897 | ||
1898 | if ((pSD = (PSECURITY_DESCRIPTOR) HeapAlloc | |
1899 | (GetProcessHeap (), HEAP_ZERO_MEMORY, nLength)) == NULL) | |
1900 | return 0; | |
1901 | ||
1902 | /* Obtain the security descriptor. */ | |
1903 | ||
1904 | if (!GetFileSecurity | |
1905 | (wname, OWNER_SECURITY_INFORMATION | | |
1906 | GROUP_SECURITY_INFORMATION | DACL_SECURITY_INFORMATION, | |
1907 | pSD, nLength, &nLength)) | |
f060ec3a | 1908 | goto error; |
7db1ef17 | 1909 | |
1910 | if (!ImpersonateSelf (SecurityImpersonation)) | |
f060ec3a | 1911 | goto error; |
7db1ef17 | 1912 | |
1913 | if (!OpenThreadToken | |
1914 | (GetCurrentThread(), TOKEN_DUPLICATE | TOKEN_QUERY, FALSE, &hToken)) | |
f060ec3a | 1915 | goto error; |
7db1ef17 | 1916 | |
1917 | /* Undoes the effect of ImpersonateSelf. */ | |
1918 | ||
1919 | RevertToSelf (); | |
1920 | ||
1921 | /* We want to test for write permissions. */ | |
1922 | ||
1923 | dwAccessDesired = CheckAccessDesired; | |
1924 | ||
1925 | MapGenericMask (&dwAccessDesired, &CheckGenericMapping); | |
1926 | ||
1927 | if (!AccessCheck | |
1928 | (pSD , /* security descriptor to check */ | |
1929 | hToken, /* impersonation token */ | |
1930 | dwAccessDesired, /* requested access rights */ | |
1931 | &CheckGenericMapping, /* pointer to GENERIC_MAPPING */ | |
1932 | &PrivilegeSet, /* receives privileges used in check */ | |
1933 | &dwPrivSetSize, /* size of PrivilegeSet buffer */ | |
1934 | &dwAccessAllowed, /* receives mask of allowed access rights */ | |
1935 | &fAccessGranted)) | |
f060ec3a | 1936 | goto error; |
7db1ef17 | 1937 | |
f060ec3a | 1938 | CloseHandle (hToken); |
1939 | HeapFree (GetProcessHeap (), 0, pSD); | |
7db1ef17 | 1940 | return fAccessGranted; |
f060ec3a | 1941 | |
1942 | error: | |
1943 | if (hToken) | |
1944 | CloseHandle (hToken); | |
1945 | HeapFree (GetProcessHeap (), 0, pSD); | |
1946 | return 0; | |
7db1ef17 | 1947 | } |
1948 | ||
1949 | static void | |
1950 | __gnat_set_OWNER_ACL | |
3855c659 | 1951 | (TCHAR *wname, |
7db1ef17 | 1952 | DWORD AccessMode, |
1953 | DWORD AccessPermissions) | |
1954 | { | |
4c4697b8 | 1955 | PACL pOldDACL = NULL; |
1956 | PACL pNewDACL = NULL; | |
1957 | PSECURITY_DESCRIPTOR pSD = NULL; | |
7db1ef17 | 1958 | EXPLICIT_ACCESS ea; |
1959 | TCHAR username [100]; | |
1960 | DWORD unsize = 100; | |
1961 | ||
7db1ef17 | 1962 | /* Get current user, he will act as the owner */ |
1963 | ||
1964 | if (!GetUserName (username, &unsize)) | |
1965 | return; | |
1966 | ||
0b3929a6 | 1967 | if (GetNamedSecurityInfo |
1968 | (wname, | |
7db1ef17 | 1969 | SE_FILE_OBJECT, |
1970 | DACL_SECURITY_INFORMATION, | |
1971 | NULL, NULL, &pOldDACL, NULL, &pSD) != ERROR_SUCCESS) | |
1972 | return; | |
1973 | ||
0b3929a6 | 1974 | BuildExplicitAccessWithName |
1975 | (&ea, username, AccessPermissions, AccessMode, NO_INHERITANCE); | |
7db1ef17 | 1976 | |
1977 | if (AccessMode == SET_ACCESS) | |
1978 | { | |
1979 | /* SET_ACCESS, we want to set an explicte set of permissions, do not | |
69d33a1d | 1980 | merge with current DACL. */ |
7db1ef17 | 1981 | if (SetEntriesInAcl (1, &ea, NULL, &pNewDACL) != ERROR_SUCCESS) |
69d33a1d | 1982 | return; |
7db1ef17 | 1983 | } |
1984 | else | |
1985 | if (SetEntriesInAcl (1, &ea, pOldDACL, &pNewDACL) != ERROR_SUCCESS) | |
1986 | return; | |
1987 | ||
0b3929a6 | 1988 | if (SetNamedSecurityInfo |
1989 | (wname, SE_FILE_OBJECT, | |
7db1ef17 | 1990 | DACL_SECURITY_INFORMATION, NULL, NULL, pNewDACL, NULL) != ERROR_SUCCESS) |
1991 | return; | |
1992 | ||
1993 | LocalFree (pSD); | |
1994 | LocalFree (pNewDACL); | |
7db1ef17 | 1995 | } |
57ecb969 | 1996 | |
1997 | /* Check if it is possible to use ACL for wname, the file must not be on a | |
1998 | network drive. */ | |
1999 | ||
2000 | static int | |
2001 | __gnat_can_use_acl (TCHAR *wname) | |
2002 | { | |
2003 | return __gnat_use_acl && GetDriveTypeFromPath (wname) != DRIVE_REMOTE; | |
2004 | } | |
2005 | ||
7db1ef17 | 2006 | #endif /* defined (_WIN32) && !defined (RTX) */ |
2007 | ||
1fac938e | 2008 | int |
5f93bcbf | 2009 | __gnat_is_readable_file_attr (char* name, struct file_attributes* attr) |
9dfe12ae | 2010 | { |
bce992c9 | 2011 | if (attr->readable == ATTR_UNSET) { |
7db1ef17 | 2012 | #if defined (_WIN32) && !defined (RTX) |
5f93bcbf | 2013 | TCHAR wname [GNAT_MAX_PATH_LEN + 2]; |
2014 | GENERIC_MAPPING GenericMapping; | |
3855c659 | 2015 | |
5f93bcbf | 2016 | S2WSC (wname, name, GNAT_MAX_PATH_LEN + 2); |
7db1ef17 | 2017 | |
5f93bcbf | 2018 | if (__gnat_can_use_acl (wname)) |
2019 | { | |
2020 | ZeroMemory (&GenericMapping, sizeof (GENERIC_MAPPING)); | |
2021 | GenericMapping.GenericRead = GENERIC_READ; | |
2022 | attr->readable = __gnat_check_OWNER_ACL (wname, FILE_READ_DATA, GenericMapping); | |
2023 | } | |
2024 | else | |
2025 | attr->readable = GetFileAttributes (wname) != INVALID_FILE_ATTRIBUTES; | |
7db1ef17 | 2026 | #else |
5f93bcbf | 2027 | __gnat_stat_to_attr (-1, name, attr); |
7db1ef17 | 2028 | #endif |
5f93bcbf | 2029 | } |
2030 | ||
2031 | return attr->readable; | |
9dfe12ae | 2032 | } |
2033 | ||
2034 | int | |
5f93bcbf | 2035 | __gnat_is_readable_file (char *name) |
2036 | { | |
2037 | struct file_attributes attr; | |
d2697a05 | 2038 | __gnat_reset_attributes (&attr); |
5f93bcbf | 2039 | return __gnat_is_readable_file_attr (name, &attr); |
2040 | } | |
2041 | ||
2042 | int | |
2043 | __gnat_is_writable_file_attr (char* name, struct file_attributes* attr) | |
1fac938e | 2044 | { |
bce992c9 | 2045 | if (attr->writable == ATTR_UNSET) { |
7db1ef17 | 2046 | #if defined (_WIN32) && !defined (RTX) |
5f93bcbf | 2047 | TCHAR wname [GNAT_MAX_PATH_LEN + 2]; |
2048 | GENERIC_MAPPING GenericMapping; | |
3855c659 | 2049 | |
5f93bcbf | 2050 | S2WSC (wname, name, GNAT_MAX_PATH_LEN + 2); |
3855c659 | 2051 | |
5f93bcbf | 2052 | if (__gnat_can_use_acl (wname)) |
2053 | { | |
2054 | ZeroMemory (&GenericMapping, sizeof (GENERIC_MAPPING)); | |
2055 | GenericMapping.GenericWrite = GENERIC_WRITE; | |
2726b813 | 2056 | |
5f93bcbf | 2057 | attr->writable = __gnat_check_OWNER_ACL |
2058 | (wname, FILE_WRITE_DATA | FILE_APPEND_DATA, GenericMapping) | |
2059 | && !(GetFileAttributes (wname) & FILE_ATTRIBUTE_READONLY); | |
2060 | } | |
2061 | else | |
2062 | attr->writable = !(GetFileAttributes (wname) & FILE_ATTRIBUTE_READONLY); | |
7db1ef17 | 2063 | |
7db1ef17 | 2064 | #else |
5f93bcbf | 2065 | __gnat_stat_to_attr (-1, name, attr); |
7db1ef17 | 2066 | #endif |
5f93bcbf | 2067 | } |
2068 | ||
2069 | return attr->writable; | |
7db1ef17 | 2070 | } |
2071 | ||
2072 | int | |
5f93bcbf | 2073 | __gnat_is_writable_file (char *name) |
7db1ef17 | 2074 | { |
5f93bcbf | 2075 | struct file_attributes attr; |
d2697a05 | 2076 | __gnat_reset_attributes (&attr); |
5f93bcbf | 2077 | return __gnat_is_writable_file_attr (name, &attr); |
2078 | } | |
2079 | ||
2080 | int | |
2081 | __gnat_is_executable_file_attr (char* name, struct file_attributes* attr) | |
2082 | { | |
bce992c9 | 2083 | if (attr->executable == ATTR_UNSET) { |
7db1ef17 | 2084 | #if defined (_WIN32) && !defined (RTX) |
5f93bcbf | 2085 | TCHAR wname [GNAT_MAX_PATH_LEN + 2]; |
2086 | GENERIC_MAPPING GenericMapping; | |
3855c659 | 2087 | |
5f93bcbf | 2088 | S2WSC (wname, name, GNAT_MAX_PATH_LEN + 2); |
3855c659 | 2089 | |
5f93bcbf | 2090 | if (__gnat_can_use_acl (wname)) |
2091 | { | |
2092 | ZeroMemory (&GenericMapping, sizeof (GENERIC_MAPPING)); | |
2093 | GenericMapping.GenericExecute = GENERIC_EXECUTE; | |
2726b813 | 2094 | |
5f93bcbf | 2095 | attr->executable = __gnat_check_OWNER_ACL (wname, FILE_EXECUTE, GenericMapping); |
2096 | } | |
2097 | else | |
2098 | attr->executable = GetFileAttributes (wname) != INVALID_FILE_ATTRIBUTES | |
2099 | && _tcsstr (wname, _T(".exe")) - wname == (int) (_tcslen (wname) - 4); | |
7db1ef17 | 2100 | #else |
5f93bcbf | 2101 | __gnat_stat_to_attr (-1, name, attr); |
7db1ef17 | 2102 | #endif |
5f93bcbf | 2103 | } |
2104 | ||
2105 | return attr->executable; | |
2106 | } | |
2107 | ||
2108 | int | |
2109 | __gnat_is_executable_file (char *name) | |
2110 | { | |
2111 | struct file_attributes attr; | |
d2697a05 | 2112 | __gnat_reset_attributes (&attr); |
5f93bcbf | 2113 | return __gnat_is_executable_file_attr (name, &attr); |
1fac938e | 2114 | } |
2115 | ||
9dfe12ae | 2116 | void |
2117 | __gnat_set_writable (char *name) | |
2118 | { | |
7db1ef17 | 2119 | #if defined (_WIN32) && !defined (RTX) |
3855c659 | 2120 | TCHAR wname [GNAT_MAX_PATH_LEN + 2]; |
2121 | ||
f60cc57d | 2122 | S2WSC (wname, name, GNAT_MAX_PATH_LEN + 2); |
3855c659 | 2123 | |
57ecb969 | 2124 | if (__gnat_can_use_acl (wname)) |
2726b813 | 2125 | __gnat_set_OWNER_ACL (wname, GRANT_ACCESS, FILE_GENERIC_WRITE); |
2126 | ||
3855c659 | 2127 | SetFileAttributes |
2128 | (wname, GetFileAttributes (wname) & ~FILE_ATTRIBUTE_READONLY); | |
7db1ef17 | 2129 | #elif ! defined (__vxworks) && ! defined(__nucleus__) |
8cb516d7 | 2130 | GNAT_STRUCT_STAT statbuf; |
9dfe12ae | 2131 | |
8cb516d7 | 2132 | if (GNAT_STAT (name, &statbuf) == 0) |
0e9e8338 | 2133 | { |
2134 | statbuf.st_mode = statbuf.st_mode | S_IWUSR; | |
2135 | chmod (name, statbuf.st_mode); | |
2136 | } | |
9dfe12ae | 2137 | #endif |
2138 | } | |
2139 | ||
5329ca64 | 2140 | void |
2141 | __gnat_set_executable (char *name) | |
2142 | { | |
7db1ef17 | 2143 | #if defined (_WIN32) && !defined (RTX) |
3855c659 | 2144 | TCHAR wname [GNAT_MAX_PATH_LEN + 2]; |
2145 | ||
57ecb969 | 2146 | S2WSC (wname, name, GNAT_MAX_PATH_LEN + 2); |
2147 | ||
2148 | if (__gnat_can_use_acl (wname)) | |
2149 | __gnat_set_OWNER_ACL (wname, GRANT_ACCESS, FILE_GENERIC_EXECUTE); | |
3855c659 | 2150 | |
7db1ef17 | 2151 | #elif ! defined (__vxworks) && ! defined(__nucleus__) |
8cb516d7 | 2152 | GNAT_STRUCT_STAT statbuf; |
5329ca64 | 2153 | |
8cb516d7 | 2154 | if (GNAT_STAT (name, &statbuf) == 0) |
0e9e8338 | 2155 | { |
2156 | statbuf.st_mode = statbuf.st_mode | S_IXUSR; | |
2157 | chmod (name, statbuf.st_mode); | |
2158 | } | |
5329ca64 | 2159 | #endif |
2160 | } | |
2161 | ||
9dfe12ae | 2162 | void |
2ab009c7 | 2163 | __gnat_set_non_writable (char *name) |
9dfe12ae | 2164 | { |
7db1ef17 | 2165 | #if defined (_WIN32) && !defined (RTX) |
3855c659 | 2166 | TCHAR wname [GNAT_MAX_PATH_LEN + 2]; |
2167 | ||
f60cc57d | 2168 | S2WSC (wname, name, GNAT_MAX_PATH_LEN + 2); |
3855c659 | 2169 | |
57ecb969 | 2170 | if (__gnat_can_use_acl (wname)) |
2726b813 | 2171 | __gnat_set_OWNER_ACL |
2172 | (wname, DENY_ACCESS, | |
2173 | FILE_WRITE_DATA | FILE_APPEND_DATA | | |
2174 | FILE_WRITE_EA | FILE_WRITE_ATTRIBUTES); | |
2175 | ||
3855c659 | 2176 | SetFileAttributes |
2177 | (wname, GetFileAttributes (wname) | FILE_ATTRIBUTE_READONLY); | |
7db1ef17 | 2178 | #elif ! defined (__vxworks) && ! defined(__nucleus__) |
8cb516d7 | 2179 | GNAT_STRUCT_STAT statbuf; |
9dfe12ae | 2180 | |
8cb516d7 | 2181 | if (GNAT_STAT (name, &statbuf) == 0) |
0b3929a6 | 2182 | { |
2183 | statbuf.st_mode = statbuf.st_mode & 07577; | |
2184 | chmod (name, statbuf.st_mode); | |
2185 | } | |
2186 | #endif | |
2187 | } | |
2188 | ||
2189 | void | |
2190 | __gnat_set_readable (char *name) | |
2191 | { | |
2192 | #if defined (_WIN32) && !defined (RTX) | |
2193 | TCHAR wname [GNAT_MAX_PATH_LEN + 2]; | |
2194 | ||
57ecb969 | 2195 | S2WSC (wname, name, GNAT_MAX_PATH_LEN + 2); |
2196 | ||
2197 | if (__gnat_can_use_acl (wname)) | |
2198 | __gnat_set_OWNER_ACL (wname, GRANT_ACCESS, FILE_GENERIC_READ); | |
0b3929a6 | 2199 | |
e31ad175 | 2200 | #elif ! defined (__vxworks) && ! defined(__nucleus__) |
8cb516d7 | 2201 | GNAT_STRUCT_STAT statbuf; |
0b3929a6 | 2202 | |
8cb516d7 | 2203 | if (GNAT_STAT (name, &statbuf) == 0) |
0b3929a6 | 2204 | { |
2205 | chmod (name, statbuf.st_mode | S_IREAD); | |
2206 | } | |
2207 | #endif | |
2208 | } | |
2209 | ||
2210 | void | |
2211 | __gnat_set_non_readable (char *name) | |
2212 | { | |
2213 | #if defined (_WIN32) && !defined (RTX) | |
2214 | TCHAR wname [GNAT_MAX_PATH_LEN + 2]; | |
2215 | ||
57ecb969 | 2216 | S2WSC (wname, name, GNAT_MAX_PATH_LEN + 2); |
2217 | ||
2218 | if (__gnat_can_use_acl (wname)) | |
2219 | __gnat_set_OWNER_ACL (wname, DENY_ACCESS, FILE_GENERIC_READ); | |
0b3929a6 | 2220 | |
e31ad175 | 2221 | #elif ! defined (__vxworks) && ! defined(__nucleus__) |
8cb516d7 | 2222 | GNAT_STRUCT_STAT statbuf; |
0b3929a6 | 2223 | |
8cb516d7 | 2224 | if (GNAT_STAT (name, &statbuf) == 0) |
0b3929a6 | 2225 | { |
2226 | chmod (name, statbuf.st_mode & (~S_IREAD)); | |
2227 | } | |
9dfe12ae | 2228 | #endif |
2229 | } | |
2230 | ||
2231 | int | |
5f93bcbf | 2232 | __gnat_is_symbolic_link_attr (char* name, struct file_attributes* attr) |
9dfe12ae | 2233 | { |
bce992c9 | 2234 | if (attr->symbolic_link == ATTR_UNSET) { |
5091bc2f | 2235 | #if defined (__vxworks) || defined (__nucleus__) |
5f93bcbf | 2236 | attr->symbolic_link = 0; |
9dfe12ae | 2237 | |
8e761191 | 2238 | #elif defined (_AIX) || defined (__APPLE__) || defined (__unix__) |
5f93bcbf | 2239 | int ret; |
2240 | GNAT_STRUCT_STAT statbuf; | |
2241 | ret = GNAT_LSTAT (name, &statbuf); | |
2242 | attr->symbolic_link = (!ret && S_ISLNK (statbuf.st_mode)); | |
9dfe12ae | 2243 | #else |
5f93bcbf | 2244 | attr->symbolic_link = 0; |
9dfe12ae | 2245 | #endif |
5f93bcbf | 2246 | } |
2247 | return attr->symbolic_link; | |
2248 | } | |
2249 | ||
2250 | int | |
2251 | __gnat_is_symbolic_link (char *name ATTRIBUTE_UNUSED) | |
2252 | { | |
2253 | struct file_attributes attr; | |
d2697a05 | 2254 | __gnat_reset_attributes (&attr); |
5f93bcbf | 2255 | return __gnat_is_symbolic_link_attr (name, &attr); |
2256 | ||
9dfe12ae | 2257 | } |
2258 | ||
1fac938e | 2259 | #if defined (sun) && defined (__SVR4) |
2260 | /* Using fork on Solaris will duplicate all the threads. fork1, which | |
2261 | duplicates only the active thread, must be used instead, or spawning | |
2262 | subprocess from a program with tasking will lead into numerous problems. */ | |
2263 | #define fork fork1 | |
2264 | #endif | |
2265 | ||
2266 | int | |
9dfe12ae | 2267 | __gnat_portable_spawn (char *args[]) |
1fac938e | 2268 | { |
2269 | int status = 0; | |
f0a28ccb | 2270 | int finished ATTRIBUTE_UNUSED; |
2271 | int pid ATTRIBUTE_UNUSED; | |
1fac938e | 2272 | |
e2a33c18 | 2273 | #if defined (__vxworks) || defined(__nucleus__) || defined(RTX) |
2274 | return -1; | |
2275 | ||
30592778 | 2276 | #elif defined (_WIN32) |
f270dc82 | 2277 | /* args[0] must be quotes as it could contain a full pathname with spaces */ |
38750fcd | 2278 | char *args_0 = args[0]; |
f270dc82 | 2279 | args[0] = (char *)xmalloc (strlen (args_0) + 3); |
2280 | strcpy (args[0], "\""); | |
2281 | strcat (args[0], args_0); | |
2282 | strcat (args[0], "\""); | |
2283 | ||
0b9eca83 | 2284 | status = spawnvp (P_WAIT, args_0, (const char* const*)args); |
f270dc82 | 2285 | |
2286 | /* restore previous value */ | |
2287 | free (args[0]); | |
8e761191 | 2288 | args[0] = (char *)args_0; |
f270dc82 | 2289 | |
1fac938e | 2290 | if (status < 0) |
f15731c4 | 2291 | return -1; |
1fac938e | 2292 | else |
2293 | return status; | |
2294 | ||
1fac938e | 2295 | #else |
2296 | ||
1fac938e | 2297 | pid = fork (); |
f15731c4 | 2298 | if (pid < 0) |
2299 | return -1; | |
1fac938e | 2300 | |
f15731c4 | 2301 | if (pid == 0) |
2302 | { | |
2303 | /* The child. */ | |
6d9c3443 | 2304 | if (execv (args[0], MAYBE_TO_PTR32 (args)) != 0) |
f15731c4 | 2305 | #if defined (VMS) |
69d33a1d | 2306 | return -1; /* execv is in parent context on VMS. */ |
f15731c4 | 2307 | #else |
69d33a1d | 2308 | _exit (1); |
f15731c4 | 2309 | #endif |
2310 | } | |
1fac938e | 2311 | |
f15731c4 | 2312 | /* The parent. */ |
1fac938e | 2313 | finished = waitpid (pid, &status, 0); |
2314 | ||
2315 | if (finished != pid || WIFEXITED (status) == 0) | |
f15731c4 | 2316 | return -1; |
1fac938e | 2317 | |
2318 | return WEXITSTATUS (status); | |
2319 | #endif | |
f15731c4 | 2320 | |
1fac938e | 2321 | return 0; |
2322 | } | |
2323 | ||
8e761191 | 2324 | /* Create a copy of the given file descriptor. |
2325 | Return -1 if an error occurred. */ | |
2326 | ||
2327 | int | |
2328 | __gnat_dup (int oldfd) | |
2329 | { | |
8ffbc401 | 2330 | #if defined (__vxworks) && !defined (__RTP__) |
2331 | /* Not supported on VxWorks 5.x, but supported on VxWorks 6.0 when using | |
2332 | RTPs. */ | |
2333 | return -1; | |
8e761191 | 2334 | #else |
8ffbc401 | 2335 | return dup (oldfd); |
8e761191 | 2336 | #endif |
2337 | } | |
2338 | ||
2339 | /* Make newfd be the copy of oldfd, closing newfd first if necessary. | |
5e947a95 | 2340 | Return -1 if an error occurred. */ |
8e761191 | 2341 | |
2342 | int | |
2343 | __gnat_dup2 (int oldfd, int newfd) | |
2344 | { | |
8ffbc401 | 2345 | #if defined (__vxworks) && !defined (__RTP__) |
2346 | /* Not supported on VxWorks 5.x, but supported on VxWorks 6.0 when using | |
2347 | RTPs. */ | |
8e761191 | 2348 | return -1; |
2349 | #else | |
2350 | return dup2 (oldfd, newfd); | |
2351 | #endif | |
2352 | } | |
2353 | ||
f15731c4 | 2354 | /* WIN32 code to implement a wait call that wait for any child process. */ |
2355 | ||
e2a33c18 | 2356 | #if defined (_WIN32) && !defined (RTX) |
1fac938e | 2357 | |
2358 | /* Synchronization code, to be thread safe. */ | |
2359 | ||
51fa65dc | 2360 | #ifdef CERT |
1fac938e | 2361 | |
51fa65dc | 2362 | /* For the Cert run times on native Windows we use dummy functions |
2363 | for locking and unlocking tasks since we do not support multiple | |
2364 | threads on this configuration (Cert run time on native Windows). */ | |
1fac938e | 2365 | |
51fa65dc | 2366 | void dummy (void) {} |
1fac938e | 2367 | |
51fa65dc | 2368 | void (*Lock_Task) () = &dummy; |
2369 | void (*Unlock_Task) () = &dummy; | |
2370 | ||
2371 | #else | |
2372 | ||
2373 | #define Lock_Task system__soft_links__lock_task | |
2374 | extern void (*Lock_Task) (void); | |
2375 | ||
2376 | #define Unlock_Task system__soft_links__unlock_task | |
2377 | extern void (*Unlock_Task) (void); | |
2378 | ||
2379 | #endif | |
1fac938e | 2380 | |
4c4697b8 | 2381 | static HANDLE *HANDLES_LIST = NULL; |
2382 | static int *PID_LIST = NULL, plist_length = 0, plist_max_length = 0; | |
1fac938e | 2383 | |
2384 | static void | |
14d22a3f | 2385 | add_handle (HANDLE h, int pid) |
1fac938e | 2386 | { |
1fac938e | 2387 | |
1fac938e | 2388 | /* -------------------- critical section -------------------- */ |
51fa65dc | 2389 | (*Lock_Task) (); |
2390 | ||
4c4697b8 | 2391 | if (plist_length == plist_max_length) |
2392 | { | |
2393 | plist_max_length += 1000; | |
2394 | HANDLES_LIST = | |
2395 | xrealloc (HANDLES_LIST, sizeof (HANDLE) * plist_max_length); | |
2396 | PID_LIST = | |
2397 | xrealloc (PID_LIST, sizeof (int) * plist_max_length); | |
2398 | } | |
2399 | ||
2400 | HANDLES_LIST[plist_length] = h; | |
14d22a3f | 2401 | PID_LIST[plist_length] = pid; |
1fac938e | 2402 | ++plist_length; |
1fac938e | 2403 | |
51fa65dc | 2404 | (*Unlock_Task) (); |
2405 | /* -------------------- critical section -------------------- */ | |
1fac938e | 2406 | } |
2407 | ||
4c4697b8 | 2408 | void |
2409 | __gnat_win32_remove_handle (HANDLE h, int pid) | |
1fac938e | 2410 | { |
4c4697b8 | 2411 | int j; |
1fac938e | 2412 | |
1fac938e | 2413 | /* -------------------- critical section -------------------- */ |
51fa65dc | 2414 | (*Lock_Task) (); |
2415 | ||
4c4697b8 | 2416 | for (j = 0; j < plist_length; j++) |
1fac938e | 2417 | { |
4c4697b8 | 2418 | if ((HANDLES_LIST[j] == h) || (PID_LIST[j] == pid)) |
1fac938e | 2419 | { |
4c4697b8 | 2420 | CloseHandle (h); |
2421 | --plist_length; | |
2422 | HANDLES_LIST[j] = HANDLES_LIST[plist_length]; | |
2423 | PID_LIST[j] = PID_LIST[plist_length]; | |
1fac938e | 2424 | break; |
2425 | } | |
1fac938e | 2426 | } |
2427 | ||
51fa65dc | 2428 | (*Unlock_Task) (); |
2429 | /* -------------------- critical section -------------------- */ | |
1fac938e | 2430 | } |
2431 | ||
14d22a3f | 2432 | static void |
2433 | win32_no_block_spawn (char *command, char *args[], HANDLE *h, int *pid) | |
1fac938e | 2434 | { |
2435 | BOOL result; | |
2436 | STARTUPINFO SI; | |
2437 | PROCESS_INFORMATION PI; | |
2438 | SECURITY_ATTRIBUTES SA; | |
f15731c4 | 2439 | int csize = 1; |
2440 | char *full_command; | |
1fac938e | 2441 | int k; |
2442 | ||
f15731c4 | 2443 | /* compute the total command line length */ |
2444 | k = 0; | |
2445 | while (args[k]) | |
2446 | { | |
2447 | csize += strlen (args[k]) + 1; | |
2448 | k++; | |
2449 | } | |
2450 | ||
2451 | full_command = (char *) xmalloc (csize); | |
2452 | ||
1fac938e | 2453 | /* Startup info. */ |
2454 | SI.cb = sizeof (STARTUPINFO); | |
2455 | SI.lpReserved = NULL; | |
2456 | SI.lpReserved2 = NULL; | |
2457 | SI.lpDesktop = NULL; | |
2458 | SI.cbReserved2 = 0; | |
2459 | SI.lpTitle = NULL; | |
2460 | SI.dwFlags = 0; | |
2461 | SI.wShowWindow = SW_HIDE; | |
2462 | ||
2463 | /* Security attributes. */ | |
2464 | SA.nLength = sizeof (SECURITY_ATTRIBUTES); | |
2465 | SA.bInheritHandle = TRUE; | |
2466 | SA.lpSecurityDescriptor = NULL; | |
2467 | ||
2468 | /* Prepare the command string. */ | |
2469 | strcpy (full_command, command); | |
2470 | strcat (full_command, " "); | |
2471 | ||
2472 | k = 1; | |
2473 | while (args[k]) | |
2474 | { | |
2475 | strcat (full_command, args[k]); | |
2476 | strcat (full_command, " "); | |
2477 | k++; | |
2478 | } | |
2479 | ||
3b18b370 | 2480 | { |
2481 | int wsize = csize * 2; | |
2482 | TCHAR *wcommand = (TCHAR *) xmalloc (wsize); | |
2483 | ||
f60cc57d | 2484 | S2WSC (wcommand, full_command, wsize); |
3b18b370 | 2485 | |
2486 | free (full_command); | |
1fac938e | 2487 | |
3b18b370 | 2488 | result = CreateProcess |
2489 | (NULL, wcommand, &SA, NULL, TRUE, | |
2490 | GetPriorityClass (GetCurrentProcess()), NULL, NULL, &SI, &PI); | |
2491 | ||
2492 | free (wcommand); | |
2493 | } | |
f15731c4 | 2494 | |
1fac938e | 2495 | if (result == TRUE) |
2496 | { | |
1fac938e | 2497 | CloseHandle (PI.hThread); |
14d22a3f | 2498 | *h = PI.hProcess; |
2499 | *pid = PI.dwProcessId; | |
1fac938e | 2500 | } |
2501 | else | |
14d22a3f | 2502 | { |
2503 | *h = NULL; | |
2504 | *pid = 0; | |
2505 | } | |
1fac938e | 2506 | } |
2507 | ||
2508 | static int | |
9dfe12ae | 2509 | win32_wait (int *status) |
1fac938e | 2510 | { |
4c4697b8 | 2511 | DWORD exitcode, pid; |
1fac938e | 2512 | HANDLE *hl; |
2513 | HANDLE h; | |
2514 | DWORD res; | |
2515 | int k; | |
e41b023d | 2516 | int hl_len; |
1fac938e | 2517 | |
2518 | if (plist_length == 0) | |
2519 | { | |
2520 | errno = ECHILD; | |
2521 | return -1; | |
2522 | } | |
2523 | ||
1fac938e | 2524 | k = 0; |
51fa65dc | 2525 | |
2526 | /* -------------------- critical section -------------------- */ | |
2527 | (*Lock_Task) (); | |
1fac938e | 2528 | |
e41b023d | 2529 | hl_len = plist_length; |
2530 | ||
e41b023d | 2531 | hl = (HANDLE *) xmalloc (sizeof (HANDLE) * hl_len); |
2532 | ||
4c4697b8 | 2533 | memmove (hl, HANDLES_LIST, sizeof (HANDLE) * hl_len); |
1fac938e | 2534 | |
51fa65dc | 2535 | (*Unlock_Task) (); |
2536 | /* -------------------- critical section -------------------- */ | |
1fac938e | 2537 | |
e41b023d | 2538 | res = WaitForMultipleObjects (hl_len, hl, FALSE, INFINITE); |
f15731c4 | 2539 | h = hl[res - WAIT_OBJECT_0]; |
1fac938e | 2540 | |
2541 | GetExitCodeProcess (h, &exitcode); | |
14d22a3f | 2542 | pid = PID_LIST [res - WAIT_OBJECT_0]; |
4c4697b8 | 2543 | __gnat_win32_remove_handle (h, -1); |
2544 | ||
2545 | free (hl); | |
1fac938e | 2546 | |
2547 | *status = (int) exitcode; | |
4c4697b8 | 2548 | return (int) pid; |
1fac938e | 2549 | } |
2550 | ||
2551 | #endif | |
2552 | ||
2553 | int | |
9dfe12ae | 2554 | __gnat_portable_no_block_spawn (char *args[]) |
1fac938e | 2555 | { |
1fac938e | 2556 | |
e2a33c18 | 2557 | #if defined (__vxworks) || defined (__nucleus__) || defined (RTX) |
2558 | return -1; | |
2559 | ||
1fac938e | 2560 | #elif defined (_WIN32) |
2561 | ||
4c4697b8 | 2562 | HANDLE h = NULL; |
14d22a3f | 2563 | int pid; |
4c4697b8 | 2564 | |
14d22a3f | 2565 | win32_no_block_spawn (args[0], args, &h, &pid); |
4c4697b8 | 2566 | if (h != NULL) |
5d56d161 | 2567 | { |
14d22a3f | 2568 | add_handle (h, pid); |
2569 | return pid; | |
5d56d161 | 2570 | } |
2571 | else | |
2572 | return -1; | |
1fac938e | 2573 | |
1fac938e | 2574 | #else |
4c4697b8 | 2575 | |
2576 | int pid = fork (); | |
1fac938e | 2577 | |
f15731c4 | 2578 | if (pid == 0) |
2579 | { | |
2580 | /* The child. */ | |
6d9c3443 | 2581 | if (execv (args[0], MAYBE_TO_PTR32 (args)) != 0) |
f15731c4 | 2582 | #if defined (VMS) |
69d33a1d | 2583 | return -1; /* execv is in parent context on VMS. */ |
9dfe12ae | 2584 | #else |
69d33a1d | 2585 | _exit (1); |
f15731c4 | 2586 | #endif |
2587 | } | |
2588 | ||
1fac938e | 2589 | return pid; |
4c4697b8 | 2590 | |
2591 | #endif | |
1fac938e | 2592 | } |
2593 | ||
2594 | int | |
9dfe12ae | 2595 | __gnat_portable_wait (int *process_status) |
1fac938e | 2596 | { |
2597 | int status = 0; | |
2598 | int pid = 0; | |
2599 | ||
e2a33c18 | 2600 | #if defined (__vxworks) || defined (__nucleus__) || defined (RTX) |
30592778 | 2601 | /* Not sure what to do here, so do nothing but return zero. */ |
e2a33c18 | 2602 | |
2603 | #elif defined (_WIN32) | |
1fac938e | 2604 | |
2605 | pid = win32_wait (&status); | |
2606 | ||
1fac938e | 2607 | #else |
2608 | ||
1fac938e | 2609 | pid = waitpid (-1, &status, 0); |
1fac938e | 2610 | status = status & 0xffff; |
2611 | #endif | |
2612 | ||
2613 | *process_status = status; | |
2614 | return pid; | |
2615 | } | |
2616 | ||
2617 | void | |
9dfe12ae | 2618 | __gnat_os_exit (int status) |
1fac938e | 2619 | { |
1fac938e | 2620 | exit (status); |
1fac938e | 2621 | } |
2622 | ||
f15731c4 | 2623 | /* Locate a regular file, give a Path value. */ |
1fac938e | 2624 | |
2625 | char * | |
9dfe12ae | 2626 | __gnat_locate_regular_file (char *file_name, char *path_val) |
1fac938e | 2627 | { |
2628 | char *ptr; | |
5703e222 | 2629 | char *file_path = (char *) alloca (strlen (file_name) + 1); |
c69ba469 | 2630 | int absolute; |
2631 | ||
b51bcb1c | 2632 | /* Return immediately if file_name is empty */ |
2633 | ||
2634 | if (*file_name == '\0') | |
2635 | return 0; | |
2636 | ||
c69ba469 | 2637 | /* Remove quotes around file_name if present */ |
2638 | ||
2639 | ptr = file_name; | |
2640 | if (*ptr == '"') | |
2641 | ptr++; | |
2642 | ||
2643 | strcpy (file_path, ptr); | |
2644 | ||
2645 | ptr = file_path + strlen (file_path) - 1; | |
2646 | ||
2647 | if (*ptr == '"') | |
2648 | *ptr = '\0'; | |
1fac938e | 2649 | |
f15731c4 | 2650 | /* Handle absolute pathnames. */ |
c69ba469 | 2651 | |
2652 | absolute = __gnat_is_absolute_path (file_path, strlen (file_name)); | |
2653 | ||
9dfe12ae | 2654 | if (absolute) |
2655 | { | |
c69ba469 | 2656 | if (__gnat_is_regular_file (file_path)) |
2657 | return xstrdup (file_path); | |
9dfe12ae | 2658 | |
2659 | return 0; | |
2660 | } | |
2661 | ||
2662 | /* If file_name include directory separator(s), try it first as | |
2663 | a path name relative to the current directory */ | |
1fac938e | 2664 | for (ptr = file_name; *ptr && *ptr != '/' && *ptr != DIR_SEPARATOR; ptr++) |
2665 | ; | |
2666 | ||
9dfe12ae | 2667 | if (*ptr != 0) |
1fac938e | 2668 | { |
2669 | if (__gnat_is_regular_file (file_name)) | |
2670 | return xstrdup (file_name); | |
1fac938e | 2671 | } |
2672 | ||
2673 | if (path_val == 0) | |
2674 | return 0; | |
2675 | ||
2676 | { | |
2677 | /* The result has to be smaller than path_val + file_name. */ | |
5703e222 | 2678 | char *file_path = (char *) alloca (strlen (path_val) + strlen (file_name) + 2); |
1fac938e | 2679 | |
2680 | for (;;) | |
2681 | { | |
c69ba469 | 2682 | /* Skip the starting quote */ |
2683 | ||
2684 | if (*path_val == '"') | |
69d33a1d | 2685 | path_val++; |
c69ba469 | 2686 | |
1fac938e | 2687 | for (ptr = file_path; *path_val && *path_val != PATH_SEPARATOR; ) |
69d33a1d | 2688 | *ptr++ = *path_val++; |
1fac938e | 2689 | |
5c182b3b | 2690 | /* If directory is empty, it is the current directory*/ |
2691 | ||
2692 | if (ptr == file_path) | |
2693 | { | |
2694 | *ptr = '.'; | |
2695 | } | |
2696 | else | |
2697 | ptr--; | |
c69ba469 | 2698 | |
2699 | /* Skip the ending quote */ | |
2700 | ||
2701 | if (*ptr == '"') | |
69d33a1d | 2702 | ptr--; |
c69ba469 | 2703 | |
1fac938e | 2704 | if (*ptr != '/' && *ptr != DIR_SEPARATOR) |
2705 | *++ptr = DIR_SEPARATOR; | |
2706 | ||
2707 | strcpy (++ptr, file_name); | |
2708 | ||
2709 | if (__gnat_is_regular_file (file_path)) | |
2710 | return xstrdup (file_path); | |
5c182b3b | 2711 | |
2712 | if (*path_val == 0) | |
2713 | return 0; | |
2714 | ||
2715 | /* Skip path separator */ | |
2716 | ||
2717 | path_val++; | |
1fac938e | 2718 | } |
2719 | } | |
2720 | ||
2721 | return 0; | |
2722 | } | |
2723 | ||
1fac938e | 2724 | /* Locate an executable given a Path argument. This routine is only used by |
2725 | gnatbl and should not be used otherwise. Use locate_exec_on_path | |
f15731c4 | 2726 | instead. */ |
1fac938e | 2727 | |
2728 | char * | |
9dfe12ae | 2729 | __gnat_locate_exec (char *exec_name, char *path_val) |
1fac938e | 2730 | { |
fb31b465 | 2731 | char *ptr; |
1fac938e | 2732 | if (!strstr (exec_name, HOST_EXECUTABLE_SUFFIX)) |
2733 | { | |
2734 | char *full_exec_name | |
5703e222 | 2735 | = (char *) alloca (strlen (exec_name) + strlen (HOST_EXECUTABLE_SUFFIX) + 1); |
1fac938e | 2736 | |
2737 | strcpy (full_exec_name, exec_name); | |
2738 | strcat (full_exec_name, HOST_EXECUTABLE_SUFFIX); | |
fb31b465 | 2739 | ptr = __gnat_locate_regular_file (full_exec_name, path_val); |
2740 | ||
2741 | if (ptr == 0) | |
2742 | return __gnat_locate_regular_file (exec_name, path_val); | |
2743 | return ptr; | |
1fac938e | 2744 | } |
2745 | else | |
2746 | return __gnat_locate_regular_file (exec_name, path_val); | |
2747 | } | |
2748 | ||
f15731c4 | 2749 | /* Locate an executable using the Systems default PATH. */ |
1fac938e | 2750 | |
2751 | char * | |
9dfe12ae | 2752 | __gnat_locate_exec_on_path (char *exec_name) |
1fac938e | 2753 | { |
9dfe12ae | 2754 | char *apath_val; |
3b18b370 | 2755 | |
e2a33c18 | 2756 | #if defined (_WIN32) && !defined (RTX) |
3b18b370 | 2757 | TCHAR *wpath_val = _tgetenv (_T("PATH")); |
2758 | TCHAR *wapath_val; | |
9dfe12ae | 2759 | /* In Win32 systems we expand the PATH as for XP environment |
c69ba469 | 2760 | variables are not automatically expanded. We also prepend the |
2761 | ".;" to the path to match normal NT path search semantics */ | |
9dfe12ae | 2762 | |
c69ba469 | 2763 | #define EXPAND_BUFFER_SIZE 32767 |
9dfe12ae | 2764 | |
3b18b370 | 2765 | wapath_val = alloca (EXPAND_BUFFER_SIZE); |
c69ba469 | 2766 | |
3b18b370 | 2767 | wapath_val [0] = '.'; |
2768 | wapath_val [1] = ';'; | |
1fac938e | 2769 | |
c69ba469 | 2770 | DWORD res = ExpandEnvironmentStrings |
3b18b370 | 2771 | (wpath_val, &wapath_val[2], EXPAND_BUFFER_SIZE - 2); |
2772 | ||
2773 | if (!res) wapath_val [0] = _T('\0'); | |
2774 | ||
2775 | apath_val = alloca (EXPAND_BUFFER_SIZE); | |
2776 | ||
f60cc57d | 2777 | WS2SC (apath_val, wapath_val, EXPAND_BUFFER_SIZE); |
3b18b370 | 2778 | return __gnat_locate_exec (exec_name, apath_val); |
c69ba469 | 2779 | |
c69ba469 | 2780 | #else |
3b18b370 | 2781 | |
2782 | #ifdef VMS | |
2783 | char *path_val = "/VAXC$PATH"; | |
2784 | #else | |
2785 | char *path_val = getenv ("PATH"); | |
2786 | #endif | |
e2c62f37 | 2787 | if (path_val == NULL) return NULL; |
5703e222 | 2788 | apath_val = (char *) alloca (strlen (path_val) + 1); |
1fac938e | 2789 | strcpy (apath_val, path_val); |
2790 | return __gnat_locate_exec (exec_name, apath_val); | |
3b18b370 | 2791 | #endif |
1fac938e | 2792 | } |
2793 | ||
2794 | #ifdef VMS | |
2795 | ||
2796 | /* These functions are used to translate to and from VMS and Unix syntax | |
f15731c4 | 2797 | file, directory and path specifications. */ |
1fac938e | 2798 | |
9dfe12ae | 2799 | #define MAXPATH 256 |
1fac938e | 2800 | #define MAXNAMES 256 |
2801 | #define NEW_CANONICAL_FILELIST_INCREMENT 64 | |
2802 | ||
9dfe12ae | 2803 | static char new_canonical_dirspec [MAXPATH]; |
2804 | static char new_canonical_filespec [MAXPATH]; | |
2805 | static char new_canonical_pathspec [MAXNAMES*MAXPATH]; | |
1fac938e | 2806 | static unsigned new_canonical_filelist_index; |
2807 | static unsigned new_canonical_filelist_in_use; | |
2808 | static unsigned new_canonical_filelist_allocated; | |
2809 | static char **new_canonical_filelist; | |
9dfe12ae | 2810 | static char new_host_pathspec [MAXNAMES*MAXPATH]; |
2811 | static char new_host_dirspec [MAXPATH]; | |
2812 | static char new_host_filespec [MAXPATH]; | |
1fac938e | 2813 | |
2814 | /* Routine is called repeatedly by decc$from_vms via | |
9dfe12ae | 2815 | __gnat_to_canonical_file_list_init until it returns 0 or the expansion |
2816 | runs out. */ | |
1fac938e | 2817 | |
2818 | static int | |
9dfe12ae | 2819 | wildcard_translate_unix (char *name) |
1fac938e | 2820 | { |
2821 | char *ver; | |
9dfe12ae | 2822 | char buff [MAXPATH]; |
1fac938e | 2823 | |
9dfe12ae | 2824 | strncpy (buff, name, MAXPATH); |
2825 | buff [MAXPATH - 1] = (char) 0; | |
1fac938e | 2826 | ver = strrchr (buff, '.'); |
2827 | ||
f15731c4 | 2828 | /* Chop off the version. */ |
1fac938e | 2829 | if (ver) |
2830 | *ver = 0; | |
2831 | ||
f15731c4 | 2832 | /* Dynamically extend the allocation by the increment. */ |
1fac938e | 2833 | if (new_canonical_filelist_in_use == new_canonical_filelist_allocated) |
2834 | { | |
2835 | new_canonical_filelist_allocated += NEW_CANONICAL_FILELIST_INCREMENT; | |
f15731c4 | 2836 | new_canonical_filelist = (char **) xrealloc |
69d33a1d | 2837 | (new_canonical_filelist, |
2838 | new_canonical_filelist_allocated * sizeof (char *)); | |
1fac938e | 2839 | } |
2840 | ||
2841 | new_canonical_filelist[new_canonical_filelist_in_use++] = xstrdup (buff); | |
2842 | ||
2843 | return 1; | |
2844 | } | |
2845 | ||
f15731c4 | 2846 | /* Translate a wildcard VMS file spec into a list of Unix file specs. First do |
2847 | full translation and copy the results into a list (_init), then return them | |
2848 | one at a time (_next). If onlydirs set, only expand directory files. */ | |
1fac938e | 2849 | |
2850 | int | |
9dfe12ae | 2851 | __gnat_to_canonical_file_list_init (char *filespec, int onlydirs) |
1fac938e | 2852 | { |
2853 | int len; | |
9dfe12ae | 2854 | char buff [MAXPATH]; |
1fac938e | 2855 | |
2856 | len = strlen (filespec); | |
9dfe12ae | 2857 | strncpy (buff, filespec, MAXPATH); |
2858 | ||
2859 | /* Only look for directories */ | |
2860 | if (onlydirs && !strstr (&buff [len-5], "*.dir")) | |
2861 | strncat (buff, "*.dir", MAXPATH); | |
1fac938e | 2862 | |
9dfe12ae | 2863 | buff [MAXPATH - 1] = (char) 0; |
1fac938e | 2864 | |
2865 | decc$from_vms (buff, wildcard_translate_unix, 1); | |
2866 | ||
f15731c4 | 2867 | /* Remove the .dir extension. */ |
1fac938e | 2868 | if (onlydirs) |
2869 | { | |
2870 | int i; | |
2871 | char *ext; | |
2872 | ||
2873 | for (i = 0; i < new_canonical_filelist_in_use; i++) | |
69d33a1d | 2874 | { |
2875 | ext = strstr (new_canonical_filelist[i], ".dir"); | |
2876 | if (ext) | |
2877 | *ext = 0; | |
2878 | } | |
1fac938e | 2879 | } |
2880 | ||
2881 | return new_canonical_filelist_in_use; | |
2882 | } | |
2883 | ||
f15731c4 | 2884 | /* Return the next filespec in the list. */ |
1fac938e | 2885 | |
2886 | char * | |
2887 | __gnat_to_canonical_file_list_next () | |
2888 | { | |
f15731c4 | 2889 | return new_canonical_filelist[new_canonical_filelist_index++]; |
1fac938e | 2890 | } |
2891 | ||
f15731c4 | 2892 | /* Free storage used in the wildcard expansion. */ |
1fac938e | 2893 | |
2894 | void | |
2895 | __gnat_to_canonical_file_list_free () | |
2896 | { | |
2897 | int i; | |
2898 | ||
2899 | for (i = 0; i < new_canonical_filelist_in_use; i++) | |
f15731c4 | 2900 | free (new_canonical_filelist[i]); |
1fac938e | 2901 | |
2902 | free (new_canonical_filelist); | |
2903 | ||
2904 | new_canonical_filelist_in_use = 0; | |
2905 | new_canonical_filelist_allocated = 0; | |
2906 | new_canonical_filelist_index = 0; | |
2907 | new_canonical_filelist = 0; | |
2908 | } | |
2909 | ||
b12d3a0b | 2910 | /* The functional equivalent of decc$translate_vms routine. |
2911 | Designed to produce the same output, but is protected against | |
2912 | malformed paths (original version ACCVIOs in this case) and | |
2913 | does not require VMS-specific DECC RTL */ | |
2914 | ||
2915 | #define NAM$C_MAXRSS 1024 | |
2916 | ||
2917 | char * | |
2918 | __gnat_translate_vms (char *src) | |
2919 | { | |
2920 | static char retbuf [NAM$C_MAXRSS+1]; | |
2921 | char *srcendpos, *pos1, *pos2, *retpos; | |
2922 | int disp, path_present = 0; | |
2923 | ||
2924 | if (!src) return NULL; | |
2925 | ||
2926 | srcendpos = strchr (src, '\0'); | |
2927 | retpos = retbuf; | |
2928 | ||
2929 | /* Look for the node and/or device in front of the path */ | |
2930 | pos1 = src; | |
2931 | pos2 = strchr (pos1, ':'); | |
2932 | ||
2933 | if (pos2 && (pos2 < srcendpos) && (*(pos2 + 1) == ':')) { | |
2934 | /* There is a node name. "node_name::" becomes "node_name!" */ | |
2935 | disp = pos2 - pos1; | |
2936 | strncpy (retbuf, pos1, disp); | |
2937 | retpos [disp] = '!'; | |
2938 | retpos = retpos + disp + 1; | |
2939 | pos1 = pos2 + 2; | |
2940 | pos2 = strchr (pos1, ':'); | |
2941 | } | |
2942 | ||
2943 | if (pos2) { | |
2944 | /* There is a device name. "dev_name:" becomes "/dev_name/" */ | |
2945 | *(retpos++) = '/'; | |
2946 | disp = pos2 - pos1; | |
2947 | strncpy (retpos, pos1, disp); | |
2948 | retpos = retpos + disp; | |
2949 | pos1 = pos2 + 1; | |
2950 | *(retpos++) = '/'; | |
2951 | } | |
2952 | else | |
2953 | /* No explicit device; we must look ahead and prepend /sys$disk/ if | |
2954 | the path is absolute */ | |
2955 | if ((*pos1 == '[' || *pos1 == '<') && (pos1 < srcendpos) | |
2956 | && !strchr (".-]>", *(pos1 + 1))) { | |
2957 | strncpy (retpos, "/sys$disk/", 10); | |
2958 | retpos += 10; | |
2959 | } | |
2960 | ||
2961 | /* Process the path part */ | |
2962 | while (*pos1 == '[' || *pos1 == '<') { | |
2963 | path_present++; | |
2964 | pos1++; | |
2965 | if (*pos1 == ']' || *pos1 == '>') { | |
2966 | /* Special case, [] translates to '.' */ | |
2967 | *(retpos++) = '.'; | |
2968 | pos1++; | |
2969 | } | |
2970 | else { | |
2971 | /* '[000000' means root dir. It can be present in the middle of | |
2972 | the path due to expansion of logical devices, in which case | |
2973 | we skip it */ | |
2974 | if (!strncmp (pos1, "000000", 6) && path_present > 1 && | |
2975 | (*(pos1 + 6) == ']' || *(pos1 + 6) == '>' || *(pos1 + 6) == '.')) { | |
2976 | pos1 += 6; | |
2977 | if (*pos1 == '.') pos1++; | |
2978 | } | |
2979 | else if (*pos1 == '.') { | |
2980 | /* Relative path */ | |
2981 | *(retpos++) = '.'; | |
2982 | } | |
2983 | ||
2359306a | 2984 | /* There is a qualified path */ |
2985 | while (*pos1 && *pos1 != ']' && *pos1 != '>') { | |
b12d3a0b | 2986 | switch (*pos1) { |
2987 | case '.': | |
2988 | /* '.' is used to separate directories. Replace it with '/' but | |
2989 | only if there isn't already '/' just before */ | |
2990 | if (*(retpos - 1) != '/') *(retpos++) = '/'; | |
2991 | pos1++; | |
2992 | if (pos1 + 1 < srcendpos && *pos1 == '.' && *(pos1 + 1) == '.') { | |
2993 | /* ellipsis refers to entire subtree; replace with '**' */ | |
2994 | *(retpos++) = '*'; *(retpos++) = '*'; *(retpos++) = '/'; | |
2995 | pos1 += 2; | |
2996 | } | |
2997 | break; | |
2998 | case '-' : | |
2359306a | 2999 | /* When after '.' '[' '<' is equivalent to Unix ".." but there |
3000 | may be several in a row */ | |
3001 | if (*(pos1 - 1) == '.' || *(pos1 - 1) == '[' || | |
3002 | *(pos1 - 1) == '<') { | |
3003 | while (*pos1 == '-') { | |
3004 | pos1++; | |
3005 | *(retpos++) = '.'; *(retpos++) = '.'; *(retpos++) = '/'; | |
3006 | } | |
3007 | retpos--; | |
3008 | break; | |
b12d3a0b | 3009 | } |
2359306a | 3010 | /* otherwise fall through to default */ |
b12d3a0b | 3011 | default: |
3012 | *(retpos++) = *(pos1++); | |
3013 | } | |
3014 | } | |
3015 | pos1++; | |
3016 | } | |
3017 | } | |
3018 | ||
3019 | if (pos1 < srcendpos) { | |
3020 | /* Now add the actual file name, until the version suffix if any */ | |
3021 | if (path_present) *(retpos++) = '/'; | |
3022 | pos2 = strchr (pos1, ';'); | |
3023 | disp = pos2? (pos2 - pos1) : (srcendpos - pos1); | |
3024 | strncpy (retpos, pos1, disp); | |
3025 | retpos += disp; | |
3026 | if (pos2 && pos2 < srcendpos) { | |
3027 | /* There is a non-empty version suffix. ";<ver>" becomes ".<ver>" */ | |
3028 | *retpos++ = '.'; | |
3029 | disp = srcendpos - pos2 - 1; | |
3030 | strncpy (retpos, pos2 + 1, disp); | |
3031 | retpos += disp; | |
3032 | } | |
3033 | } | |
3034 | ||
3035 | *retpos = '\0'; | |
3036 | ||
3037 | return retbuf; | |
3038 | ||
3039 | } | |
3040 | ||
f15731c4 | 3041 | /* Translate a VMS syntax directory specification in to Unix syntax. If |
3042 | PREFIXFLAG is set, append an underscore "/". If no indicators of VMS syntax | |
3043 | found, return input string. Also translate a dirname that contains no | |
3044 | slashes, in case it's a logical name. */ | |
1fac938e | 3045 | |
3046 | char * | |
9dfe12ae | 3047 | __gnat_to_canonical_dir_spec (char *dirspec, int prefixflag) |
1fac938e | 3048 | { |
3049 | int len; | |
3050 | ||
3051 | strcpy (new_canonical_dirspec, ""); | |
3052 | if (strlen (dirspec)) | |
3053 | { | |
3054 | char *dirspec1; | |
3055 | ||
3056 | if (strchr (dirspec, ']') || strchr (dirspec, ':')) | |
69d33a1d | 3057 | { |
3058 | strncpy (new_canonical_dirspec, | |
3059 | __gnat_translate_vms (dirspec), | |
3060 | MAXPATH); | |
3061 | } | |
1fac938e | 3062 | else if (!strchr (dirspec, '/') && (dirspec1 = getenv (dirspec)) != 0) |
69d33a1d | 3063 | { |
3064 | strncpy (new_canonical_dirspec, | |
3065 | __gnat_translate_vms (dirspec1), | |
3066 | MAXPATH); | |
3067 | } | |
1fac938e | 3068 | else |
69d33a1d | 3069 | { |
3070 | strncpy (new_canonical_dirspec, dirspec, MAXPATH); | |
3071 | } | |
1fac938e | 3072 | } |
3073 | ||
3074 | len = strlen (new_canonical_dirspec); | |
9dfe12ae | 3075 | if (prefixflag && new_canonical_dirspec [len-1] != '/') |
3076 | strncat (new_canonical_dirspec, "/", MAXPATH); | |
3077 | ||
3078 | new_canonical_dirspec [MAXPATH - 1] = (char) 0; | |
1fac938e | 3079 | |
3080 | return new_canonical_dirspec; | |
3081 | ||
3082 | } | |
3083 | ||
3084 | /* Translate a VMS syntax file specification into Unix syntax. | |
3cc2671a | 3085 | If no indicators of VMS syntax found, check if it's an uppercase |
23c6b287 | 3086 | alphanumeric_ name and if so try it out as an environment |
3087 | variable (logical name). If all else fails return the | |
3088 | input string. */ | |
1fac938e | 3089 | |
3090 | char * | |
9dfe12ae | 3091 | __gnat_to_canonical_file_spec (char *filespec) |
1fac938e | 3092 | { |
23c6b287 | 3093 | char *filespec1; |
3094 | ||
9dfe12ae | 3095 | strncpy (new_canonical_filespec, "", MAXPATH); |
3096 | ||
1fac938e | 3097 | if (strchr (filespec, ']') || strchr (filespec, ':')) |
9dfe12ae | 3098 | { |
2359306a | 3099 | char *tspec = (char *) __gnat_translate_vms (filespec); |
c69ba469 | 3100 | |
3101 | if (tspec != (char *) -1) | |
69d33a1d | 3102 | strncpy (new_canonical_filespec, tspec, MAXPATH); |
23c6b287 | 3103 | } |
3104 | else if ((strlen (filespec) == strspn (filespec, | |
69d33a1d | 3105 | "ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789_")) |
3106 | && (filespec1 = getenv (filespec))) | |
23c6b287 | 3107 | { |
2359306a | 3108 | char *tspec = (char *) __gnat_translate_vms (filespec1); |
c69ba469 | 3109 | |
3110 | if (tspec != (char *) -1) | |
69d33a1d | 3111 | strncpy (new_canonical_filespec, tspec, MAXPATH); |
9dfe12ae | 3112 | } |
1fac938e | 3113 | else |
9dfe12ae | 3114 | { |
3115 | strncpy (new_canonical_filespec, filespec, MAXPATH); | |
3116 | } | |
3117 | ||
3118 | new_canonical_filespec [MAXPATH - 1] = (char) 0; | |
1fac938e | 3119 | |
3120 | return new_canonical_filespec; | |
3121 | } | |
3122 | ||
3123 | /* Translate a VMS syntax path specification into Unix syntax. | |
f15731c4 | 3124 | If no indicators of VMS syntax found, return input string. */ |
1fac938e | 3125 | |
3126 | char * | |
9dfe12ae | 3127 | __gnat_to_canonical_path_spec (char *pathspec) |
1fac938e | 3128 | { |
9dfe12ae | 3129 | char *curr, *next, buff [MAXPATH]; |
1fac938e | 3130 | |
3131 | if (pathspec == 0) | |
3132 | return pathspec; | |
3133 | ||
f15731c4 | 3134 | /* If there are /'s, assume it's a Unix path spec and return. */ |
1fac938e | 3135 | if (strchr (pathspec, '/')) |
3136 | return pathspec; | |
3137 | ||
f15731c4 | 3138 | new_canonical_pathspec[0] = 0; |
1fac938e | 3139 | curr = pathspec; |
3140 | ||
3141 | for (;;) | |
3142 | { | |
3143 | next = strchr (curr, ','); | |
3144 | if (next == 0) | |
3145 | next = strchr (curr, 0); | |
3146 | ||
3147 | strncpy (buff, curr, next - curr); | |
f15731c4 | 3148 | buff[next - curr] = 0; |
1fac938e | 3149 | |
f15731c4 | 3150 | /* Check for wildcards and expand if present. */ |
1fac938e | 3151 | if (strchr (buff, '*') || strchr (buff, '%') || strstr (buff, "...")) |
3152 | { | |
3153 | int i, dirs; | |
3154 | ||
3155 | dirs = __gnat_to_canonical_file_list_init (buff, 1); | |
3156 | for (i = 0; i < dirs; i++) | |
3157 | { | |
3158 | char *next_dir; | |
3159 | ||
3160 | next_dir = __gnat_to_canonical_file_list_next (); | |
9dfe12ae | 3161 | strncat (new_canonical_pathspec, next_dir, MAXPATH); |
1fac938e | 3162 | |
f15731c4 | 3163 | /* Don't append the separator after the last expansion. */ |
1fac938e | 3164 | if (i+1 < dirs) |
9dfe12ae | 3165 | strncat (new_canonical_pathspec, ":", MAXPATH); |
1fac938e | 3166 | } |
3167 | ||
69d33a1d | 3168 | __gnat_to_canonical_file_list_free (); |
1fac938e | 3169 | } |
3170 | else | |
69d33a1d | 3171 | strncat (new_canonical_pathspec, |
3172 | __gnat_to_canonical_dir_spec (buff, 0), MAXPATH); | |
1fac938e | 3173 | |
3174 | if (*next == 0) | |
3175 | break; | |
3176 | ||
9dfe12ae | 3177 | strncat (new_canonical_pathspec, ":", MAXPATH); |
1fac938e | 3178 | curr = next + 1; |
3179 | } | |
3180 | ||
9dfe12ae | 3181 | new_canonical_pathspec [MAXPATH - 1] = (char) 0; |
3182 | ||
1fac938e | 3183 | return new_canonical_pathspec; |
3184 | } | |
3185 | ||
9dfe12ae | 3186 | static char filename_buff [MAXPATH]; |
1fac938e | 3187 | |
3188 | static int | |
9dfe12ae | 3189 | translate_unix (char *name, int type) |
1fac938e | 3190 | { |
9dfe12ae | 3191 | strncpy (filename_buff, name, MAXPATH); |
3192 | filename_buff [MAXPATH - 1] = (char) 0; | |
1fac938e | 3193 | return 0; |
3194 | } | |
3195 | ||
f15731c4 | 3196 | /* Translate a Unix syntax path spec into a VMS style (comma separated list of |
3197 | directories. */ | |
1fac938e | 3198 | |
3199 | static char * | |
9dfe12ae | 3200 | to_host_path_spec (char *pathspec) |
1fac938e | 3201 | { |
9dfe12ae | 3202 | char *curr, *next, buff [MAXPATH]; |
1fac938e | 3203 | |
3204 | if (pathspec == 0) | |
3205 | return pathspec; | |
3206 | ||
f15731c4 | 3207 | /* Can't very well test for colons, since that's the Unix separator! */ |
1fac938e | 3208 | if (strchr (pathspec, ']') || strchr (pathspec, ',')) |
3209 | return pathspec; | |
3210 | ||
f15731c4 | 3211 | new_host_pathspec[0] = 0; |
1fac938e | 3212 | curr = pathspec; |
3213 | ||
3214 | for (;;) | |
3215 | { | |
3216 | next = strchr (curr, ':'); | |
3217 | if (next == 0) | |
3218 | next = strchr (curr, 0); | |
3219 | ||
3220 | strncpy (buff, curr, next - curr); | |
f15731c4 | 3221 | buff[next - curr] = 0; |
1fac938e | 3222 | |
9dfe12ae | 3223 | strncat (new_host_pathspec, __gnat_to_host_dir_spec (buff, 0), MAXPATH); |
1fac938e | 3224 | if (*next == 0) |
3225 | break; | |
9dfe12ae | 3226 | strncat (new_host_pathspec, ",", MAXPATH); |
1fac938e | 3227 | curr = next + 1; |
3228 | } | |
3229 | ||
9dfe12ae | 3230 | new_host_pathspec [MAXPATH - 1] = (char) 0; |
3231 | ||
1fac938e | 3232 | return new_host_pathspec; |
3233 | } | |
3234 | ||
f15731c4 | 3235 | /* Translate a Unix syntax directory specification into VMS syntax. The |
3236 | PREFIXFLAG has no effect, but is kept for symmetry with | |
3237 | to_canonical_dir_spec. If indicators of VMS syntax found, return input | |
3238 | string. */ | |
1fac938e | 3239 | |
3240 | char * | |
9dfe12ae | 3241 | __gnat_to_host_dir_spec (char *dirspec, int prefixflag ATTRIBUTE_UNUSED) |
1fac938e | 3242 | { |
3243 | int len = strlen (dirspec); | |
3244 | ||
9dfe12ae | 3245 | strncpy (new_host_dirspec, dirspec, MAXPATH); |
3246 | new_host_dirspec [MAXPATH - 1] = (char) 0; | |
1fac938e | 3247 | |
3248 | if (strchr (new_host_dirspec, ']') || strchr (new_host_dirspec, ':')) | |
3249 | return new_host_dirspec; | |
3250 | ||
f15731c4 | 3251 | while (len > 1 && new_host_dirspec[len - 1] == '/') |
1fac938e | 3252 | { |
f15731c4 | 3253 | new_host_dirspec[len - 1] = 0; |
1fac938e | 3254 | len--; |
3255 | } | |
3256 | ||
3257 | decc$to_vms (new_host_dirspec, translate_unix, 1, 2); | |
9dfe12ae | 3258 | strncpy (new_host_dirspec, filename_buff, MAXPATH); |
3259 | new_host_dirspec [MAXPATH - 1] = (char) 0; | |
1fac938e | 3260 | |
3261 | return new_host_dirspec; | |
1fac938e | 3262 | } |
3263 | ||
3264 | /* Translate a Unix syntax file specification into VMS syntax. | |
f15731c4 | 3265 | If indicators of VMS syntax found, return input string. */ |
1fac938e | 3266 | |
3267 | char * | |
9dfe12ae | 3268 | __gnat_to_host_file_spec (char *filespec) |
1fac938e | 3269 | { |
9dfe12ae | 3270 | strncpy (new_host_filespec, "", MAXPATH); |
1fac938e | 3271 | if (strchr (filespec, ']') || strchr (filespec, ':')) |
9dfe12ae | 3272 | { |
3273 | strncpy (new_host_filespec, filespec, MAXPATH); | |
3274 | } | |
1fac938e | 3275 | else |
3276 | { | |
3277 | decc$to_vms (filespec, translate_unix, 1, 1); | |
9dfe12ae | 3278 | strncpy (new_host_filespec, filename_buff, MAXPATH); |
1fac938e | 3279 | } |
3280 | ||
9dfe12ae | 3281 | new_host_filespec [MAXPATH - 1] = (char) 0; |
3282 | ||
1fac938e | 3283 | return new_host_filespec; |
3284 | } | |
3285 | ||
3286 | void | |
3287 | __gnat_adjust_os_resource_limits () | |
3288 | { | |
3289 | SYS$ADJWSL (131072, 0); | |
3290 | } | |
3291 | ||
9dfe12ae | 3292 | #else /* VMS */ |
1fac938e | 3293 | |
f15731c4 | 3294 | /* Dummy functions for Osint import for non-VMS systems. */ |
1fac938e | 3295 | |
3296 | int | |
9dfe12ae | 3297 | __gnat_to_canonical_file_list_init |
3298 | (char *dirspec ATTRIBUTE_UNUSED, int onlydirs ATTRIBUTE_UNUSED) | |
1fac938e | 3299 | { |
3300 | return 0; | |
3301 | } | |
3302 | ||
3303 | char * | |
6f2c2693 | 3304 | __gnat_to_canonical_file_list_next (void) |
1fac938e | 3305 | { |
4c4697b8 | 3306 | static char *empty = ""; |
3307 | return empty; | |
1fac938e | 3308 | } |
3309 | ||
3310 | void | |
6f2c2693 | 3311 | __gnat_to_canonical_file_list_free (void) |
1fac938e | 3312 | { |
3313 | } | |
3314 | ||
3315 | char * | |
9dfe12ae | 3316 | __gnat_to_canonical_dir_spec (char *dirspec, int prefixflag ATTRIBUTE_UNUSED) |
1fac938e | 3317 | { |
3318 | return dirspec; | |
3319 | } | |
3320 | ||
3321 | char * | |
9dfe12ae | 3322 | __gnat_to_canonical_file_spec (char *filespec) |
1fac938e | 3323 | { |
3324 | return filespec; | |
3325 | } | |
3326 | ||
3327 | char * | |
9dfe12ae | 3328 | __gnat_to_canonical_path_spec (char *pathspec) |
1fac938e | 3329 | { |
3330 | return pathspec; | |
3331 | } | |
3332 | ||
3333 | char * | |
9dfe12ae | 3334 | __gnat_to_host_dir_spec (char *dirspec, int prefixflag ATTRIBUTE_UNUSED) |
1fac938e | 3335 | { |
3336 | return dirspec; | |
3337 | } | |
3338 | ||
3339 | char * | |
9dfe12ae | 3340 | __gnat_to_host_file_spec (char *filespec) |
1fac938e | 3341 | { |
3342 | return filespec; | |
3343 | } | |
3344 | ||
3345 | void | |
6f2c2693 | 3346 | __gnat_adjust_os_resource_limits (void) |
1fac938e | 3347 | { |
3348 | } | |
3349 | ||
3350 | #endif | |
3351 | ||
1fac938e | 3352 | #if defined (__mips_vxworks) |
9dfe12ae | 3353 | int |
3354 | _flush_cache() | |
1fac938e | 3355 | { |
3356 | CACHE_USER_FLUSH (0, ENTIRE_CACHE); | |
3357 | } | |
3358 | #endif | |
3359 | ||
8c7d3bad | 3360 | #if defined (IS_CROSS) \ |
a3b0f4f2 | 3361 | || (! ((defined (sparc) || defined (i386)) && defined (sun) \ |
3362 | && defined (__SVR4)) \ | |
c69ba469 | 3363 | && ! (defined (linux) && (defined (i386) || defined (__x86_64__))) \ |
a3b0f4f2 | 3364 | && ! (defined (linux) && defined (__ia64__)) \ |
547371fa | 3365 | && ! (defined (linux) && defined (powerpc)) \ |
40a4417a | 3366 | && ! defined (__FreeBSD__) \ |
571e421a | 3367 | && ! defined (__Lynx__) \ |
21a87c1d | 3368 | && ! defined (__hpux__) \ |
ba706ed3 | 3369 | && ! defined (__APPLE__) \ |
9dfe12ae | 3370 | && ! defined (_AIX) \ |
1fac938e | 3371 | && ! (defined (__alpha__) && defined (__osf__)) \ |
3b18b370 | 3372 | && ! defined (VMS) \ |
80d4fec4 | 3373 | && ! defined (__MINGW32__) \ |
3374 | && ! (defined (__mips) && defined (__sgi))) | |
f15731c4 | 3375 | |
a3b0f4f2 | 3376 | /* Dummy function to satisfy g-trasym.o. See the preprocessor conditional |
3377 | just above for a list of native platforms that provide a non-dummy | |
3378 | version of this procedure in libaddr2line.a. */ | |
1fac938e | 3379 | |
3380 | void | |
1e622f0e | 3381 | convert_addresses (const char *file_name ATTRIBUTE_UNUSED, |
3382 | void *addrs ATTRIBUTE_UNUSED, | |
9dfe12ae | 3383 | int n_addr ATTRIBUTE_UNUSED, |
3384 | void *buf ATTRIBUTE_UNUSED, | |
3385 | int *len ATTRIBUTE_UNUSED) | |
1fac938e | 3386 | { |
3387 | *len = 0; | |
3388 | } | |
3389 | #endif | |
f15731c4 | 3390 | |
3391 | #if defined (_WIN32) | |
3392 | int __gnat_argument_needs_quote = 1; | |
3393 | #else | |
3394 | int __gnat_argument_needs_quote = 0; | |
3395 | #endif | |
9dfe12ae | 3396 | |
3397 | /* This option is used to enable/disable object files handling from the | |
3398 | binder file by the GNAT Project module. For example, this is disabled on | |
e0f42093 | 3399 | Windows (prior to GCC 3.4) as it is already done by the mdll module. |
3400 | Stating with GCC 3.4 the shared libraries are not based on mdll | |
3401 | anymore as it uses the GCC's -shared option */ | |
3402 | #if defined (_WIN32) \ | |
3403 | && ((__GNUC__ < 3) || ((__GNUC__ == 3) && (__GNUC_MINOR__ < 4))) | |
9dfe12ae | 3404 | int __gnat_prj_add_obj_files = 0; |
3405 | #else | |
3406 | int __gnat_prj_add_obj_files = 1; | |
3407 | #endif | |
3408 | ||
3409 | /* char used as prefix/suffix for environment variables */ | |
3410 | #if defined (_WIN32) | |
3411 | char __gnat_environment_char = '%'; | |
3412 | #else | |
3413 | char __gnat_environment_char = '$'; | |
3414 | #endif | |
3415 | ||
3416 | /* This functions copy the file attributes from a source file to a | |
3417 | destination file. | |
3418 | ||
3419 | mode = 0 : In this mode copy only the file time stamps (last access and | |
3420 | last modification time stamps). | |
3421 | ||
3422 | mode = 1 : In this mode, time stamps and read/write/execute attributes are | |
3423 | copied. | |
3424 | ||
3425 | Returns 0 if operation was successful and -1 in case of error. */ | |
3426 | ||
3427 | int | |
3428 | __gnat_copy_attribs (char *from, char *to, int mode) | |
3429 | { | |
5091bc2f | 3430 | #if defined (VMS) || defined (__vxworks) || defined (__nucleus__) |
9dfe12ae | 3431 | return -1; |
6a85c251 | 3432 | |
3433 | #elif defined (_WIN32) && !defined (RTX) | |
3434 | TCHAR wfrom [GNAT_MAX_PATH_LEN + 2]; | |
3435 | TCHAR wto [GNAT_MAX_PATH_LEN + 2]; | |
3436 | BOOL res; | |
3437 | FILETIME fct, flat, flwt; | |
3438 | HANDLE hfrom, hto; | |
3439 | ||
3440 | S2WSC (wfrom, from, GNAT_MAX_PATH_LEN + 2); | |
3441 | S2WSC (wto, to, GNAT_MAX_PATH_LEN + 2); | |
3442 | ||
3443 | /* retrieve from times */ | |
3444 | ||
3445 | hfrom = CreateFile | |
3446 | (wfrom, GENERIC_READ, 0, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL); | |
3447 | ||
3448 | if (hfrom == INVALID_HANDLE_VALUE) | |
3449 | return -1; | |
3450 | ||
3451 | res = GetFileTime (hfrom, &fct, &flat, &flwt); | |
3452 | ||
3453 | CloseHandle (hfrom); | |
3454 | ||
3455 | if (res == 0) | |
3456 | return -1; | |
3457 | ||
3458 | /* retrieve from times */ | |
3459 | ||
3460 | hto = CreateFile | |
3461 | (wto, GENERIC_WRITE, 0, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL); | |
3462 | ||
3463 | if (hto == INVALID_HANDLE_VALUE) | |
3464 | return -1; | |
3465 | ||
3466 | res = SetFileTime (hto, NULL, &flat, &flwt); | |
3467 | ||
3468 | CloseHandle (hto); | |
3469 | ||
3470 | if (res == 0) | |
3471 | return -1; | |
3472 | ||
3473 | /* Set file attributes in full mode. */ | |
3474 | ||
3475 | if (mode == 1) | |
3476 | { | |
3477 | DWORD attribs = GetFileAttributes (wfrom); | |
3478 | ||
3479 | if (attribs == INVALID_FILE_ATTRIBUTES) | |
3480 | return -1; | |
3481 | ||
3482 | res = SetFileAttributes (wto, attribs); | |
3483 | if (res == 0) | |
3484 | return -1; | |
3485 | } | |
3486 | ||
3487 | return 0; | |
3488 | ||
9dfe12ae | 3489 | #else |
8cb516d7 | 3490 | GNAT_STRUCT_STAT fbuf; |
9dfe12ae | 3491 | struct utimbuf tbuf; |
3492 | ||
8cb516d7 | 3493 | if (GNAT_STAT (from, &fbuf) == -1) |
9dfe12ae | 3494 | { |
3495 | return -1; | |
3496 | } | |
3497 | ||
3498 | tbuf.actime = fbuf.st_atime; | |
3499 | tbuf.modtime = fbuf.st_mtime; | |
3500 | ||
3501 | if (utime (to, &tbuf) == -1) | |
3502 | { | |
3503 | return -1; | |
3504 | } | |
3505 | ||
3506 | if (mode == 1) | |
3507 | { | |
3508 | if (chmod (to, fbuf.st_mode) == -1) | |
3509 | { | |
3510 | return -1; | |
3511 | } | |
3512 | } | |
3513 | ||
3514 | return 0; | |
3515 | #endif | |
3516 | } | |
3517 | ||
cf6d853e | 3518 | int |
3519 | __gnat_lseek (int fd, long offset, int whence) | |
3520 | { | |
3521 | return (int) lseek (fd, offset, whence); | |
3522 | } | |
0914a918 | 3523 | |
e2c62f37 | 3524 | /* This function returns the major version number of GCC being used. */ |
0914a918 | 3525 | int |
3526 | get_gcc_version (void) | |
3527 | { | |
e2c62f37 | 3528 | #ifdef IN_RTS |
3529 | return __GNUC__; | |
3530 | #else | |
3531 | return (int) (version_string[0] - '0'); | |
3532 | #endif | |
0914a918 | 3533 | } |
6d9c3443 | 3534 | |
3535 | int | |
de10c095 | 3536 | __gnat_set_close_on_exec (int fd ATTRIBUTE_UNUSED, |
0e9e8338 | 3537 | int close_on_exec_p ATTRIBUTE_UNUSED) |
6d9c3443 | 3538 | { |
3539 | #if defined (F_GETFD) && defined (FD_CLOEXEC) && ! defined (__vxworks) | |
3540 | int flags = fcntl (fd, F_GETFD, 0); | |
3541 | if (flags < 0) | |
3542 | return flags; | |
3543 | if (close_on_exec_p) | |
3544 | flags |= FD_CLOEXEC; | |
3545 | else | |
3546 | flags &= ~FD_CLOEXEC; | |
3547 | return fcntl (fd, F_SETFD, flags | FD_CLOEXEC); | |
07f34887 | 3548 | #elif defined(_WIN32) |
3549 | HANDLE h = (HANDLE) _get_osfhandle (fd); | |
3550 | if (h == (HANDLE) -1) | |
3551 | return -1; | |
3552 | if (close_on_exec_p) | |
3553 | return ! SetHandleInformation (h, HANDLE_FLAG_INHERIT, 0); | |
bcf0a1b1 | 3554 | return ! SetHandleInformation (h, HANDLE_FLAG_INHERIT, |
07f34887 | 3555 | HANDLE_FLAG_INHERIT); |
6d9c3443 | 3556 | #else |
07f34887 | 3557 | /* TODO: Unimplemented. */ |
6d9c3443 | 3558 | return -1; |
6d9c3443 | 3559 | #endif |
3560 | } | |
fb31b465 | 3561 | |
3562 | /* Indicates if platforms supports automatic initialization through the | |
3563 | constructor mechanism */ | |
3564 | int | |
c88e6a4f | 3565 | __gnat_binder_supports_auto_init (void) |
fb31b465 | 3566 | { |
3567 | #ifdef VMS | |
3568 | return 0; | |
3569 | #else | |
3570 | return 1; | |
3571 | #endif | |
3572 | } | |
3573 | ||
3574 | /* Indicates that Stand-Alone Libraries are automatically initialized through | |
3575 | the constructor mechanism */ | |
3576 | int | |
c88e6a4f | 3577 | __gnat_sals_init_using_constructors (void) |
fb31b465 | 3578 | { |
3579 | #if defined (__vxworks) || defined (__Lynx__) || defined (VMS) | |
3580 | return 0; | |
3581 | #else | |
3582 | return 1; | |
3583 | #endif | |
3584 | } | |
e2a33c18 | 3585 | |
8e726ab4 | 3586 | #ifdef RTX |
3587 | ||
e2a33c18 | 3588 | /* In RTX mode, the procedure to get the time (as file time) is different |
3589 | in RTSS mode and Win32 mode. In order to avoid duplicating an Ada file, | |
3590 | we introduce an intermediate procedure to link against the corresponding | |
3591 | one in each situation. */ | |
8e726ab4 | 3592 | |
3593 | extern void GetTimeAsFileTime(LPFILETIME pTime); | |
e2a33c18 | 3594 | |
3595 | void GetTimeAsFileTime(LPFILETIME pTime) | |
3596 | { | |
3597 | #ifdef RTSS | |
3598 | RtGetRtssTimeAsFileTime (pTime); /* RTSS interface */ | |
3599 | #else | |
3600 | GetSystemTimeAsFileTime (pTime); /* w32 interface */ | |
3601 | #endif | |
3602 | } | |
8e726ab4 | 3603 | |
3604 | #ifdef RTSS | |
3605 | /* Add symbol that is required to link. It would otherwise be taken from | |
3606 | libgcc.a and it would try to use the gcc constructors that are not | |
3607 | supported by Microsoft linker. */ | |
3608 | ||
3609 | extern void __main (void); | |
3610 | ||
3611 | void __main (void) {} | |
3612 | #endif | |
e2a33c18 | 3613 | #endif |
3614 | ||
9d093602 | 3615 | #if defined (linux) || defined(__GLIBC__) |
e2a33c18 | 3616 | /* pthread affinity support */ |
3617 | ||
c62e34a4 | 3618 | int __gnat_pthread_setaffinity_np (pthread_t th, |
3619 | size_t cpusetsize, | |
3620 | const void *cpuset); | |
3621 | ||
e2a33c18 | 3622 | #ifdef CPU_SETSIZE |
3623 | #include <pthread.h> | |
3624 | int | |
3625 | __gnat_pthread_setaffinity_np (pthread_t th, | |
3626 | size_t cpusetsize, | |
3627 | const cpu_set_t *cpuset) | |
3628 | { | |
3629 | return pthread_setaffinity_np (th, cpusetsize, cpuset); | |
3630 | } | |
3631 | #else | |
3632 | int | |
c62e34a4 | 3633 | __gnat_pthread_setaffinity_np (pthread_t th ATTRIBUTE_UNUSED, |
3634 | size_t cpusetsize ATTRIBUTE_UNUSED, | |
3635 | const void *cpuset ATTRIBUTE_UNUSED) | |
e2a33c18 | 3636 | { |
3637 | return 0; | |
3638 | } | |
3639 | #endif | |
3640 | #endif | |
a0d9619f | 3641 | |
3642 | #if defined (linux) | |
3643 | /* There is no function in the glibc to retrieve the LWP of the current | |
3644 | thread. We need to do a system call in order to retrieve this | |
3645 | information. */ | |
3646 | #include <sys/syscall.h> | |
12e8797f | 3647 | void *__gnat_lwp_self (void) |
3648 | { | |
a0d9619f | 3649 | return (void *) syscall (__NR_gettid); |
3650 | } | |
3651 | #endif |