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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 | * * | |
6bc9506f | 9 | * Copyright (C) 1992-2009, 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" |
fa0b5df1 | 85 | #endif |
86 | ||
9dfe12ae | 87 | #include <sys/utime.h> |
a4f295eb | 88 | |
89 | /* For isalpha-like tests in the compiler, we're expected to resort to | |
90 | safe-ctype.h/ISALPHA. This isn't available for the runtime library | |
91 | build, so we fallback on ctype.h/isalpha there. */ | |
92 | ||
93 | #ifdef IN_RTS | |
f0a28ccb | 94 | #include <ctype.h> |
a4f295eb | 95 | #define ISALPHA isalpha |
96 | #endif | |
2359306a | 97 | |
98 | #elif defined (__Lynx__) | |
99 | ||
100 | /* Lynx utime.h only defines the entities of interest to us if | |
101 | defined (VMOS_DEV), so ... */ | |
102 | #define VMOS_DEV | |
103 | #include <utime.h> | |
104 | #undef VMOS_DEV | |
105 | ||
106 | #elif !defined (VMS) | |
9dfe12ae | 107 | #include <utime.h> |
9dfe12ae | 108 | #endif |
109 | ||
5091bc2f | 110 | /* wait.h processing */ |
9dfe12ae | 111 | #ifdef __MINGW32__ |
112 | #if OLD_MINGW | |
1fac938e | 113 | #include <sys/wait.h> |
9dfe12ae | 114 | #endif |
8ffbc401 | 115 | #elif defined (__vxworks) && defined (__RTP__) |
116 | #include <wait.h> | |
2359306a | 117 | #elif defined (__Lynx__) |
118 | /* ??? We really need wait.h and it includes resource.h on Lynx. GCC | |
119 | has a resource.h header as well, included instead of the lynx | |
120 | version in our setup, causing lots of errors. We don't really need | |
121 | the lynx contents of this file, so just workaround the issue by | |
122 | preventing the inclusion of the GCC header from doing anything. */ | |
123 | #define GCC_RESOURCE_H | |
124 | #include <sys/wait.h> | |
5091bc2f | 125 | #elif defined (__nucleus__) |
126 | /* No wait() or waitpid() calls available */ | |
9dfe12ae | 127 | #else |
5091bc2f | 128 | /* Default case */ |
9dfe12ae | 129 | #include <sys/wait.h> |
130 | #endif | |
1fac938e | 131 | |
d8dd2062 | 132 | #if defined (__EMX__) || defined (MSDOS) || defined (_WIN32) |
133 | #elif defined (VMS) | |
71a3e619 | 134 | |
f15731c4 | 135 | /* Header files and definitions for __gnat_set_file_time_name. */ |
71a3e619 | 136 | |
8620a406 | 137 | #define __NEW_STARLET 1 |
ba706ed3 | 138 | #include <vms/rms.h> |
139 | #include <vms/atrdef.h> | |
140 | #include <vms/fibdef.h> | |
141 | #include <vms/stsdef.h> | |
142 | #include <vms/iodef.h> | |
d8dd2062 | 143 | #include <errno.h> |
ba706ed3 | 144 | #include <vms/descrip.h> |
d8dd2062 | 145 | #include <string.h> |
146 | #include <unixlib.h> | |
147 | ||
f15731c4 | 148 | /* Use native 64-bit arithmetic. */ |
d8dd2062 | 149 | #define unix_time_to_vms(X,Y) \ |
150 | { unsigned long long reftime, tmptime = (X); \ | |
151 | $DESCRIPTOR (unixtime,"1-JAN-1970 0:00:00.00"); \ | |
152 | SYS$BINTIM (&unixtime, &reftime); \ | |
153 | Y = tmptime * 10000000 + reftime; } | |
154 | ||
155 | /* descrip.h doesn't have everything ... */ | |
8620a406 | 156 | typedef struct fibdef* __fibdef_ptr32 __attribute__ (( mode (SI) )); |
d8dd2062 | 157 | struct dsc$descriptor_fib |
158 | { | |
8620a406 | 159 | unsigned int fib$l_len; |
160 | __fibdef_ptr32 fib$l_addr; | |
d8dd2062 | 161 | }; |
162 | ||
71a3e619 | 163 | /* I/O Status Block. */ |
d8dd2062 | 164 | struct IOSB |
9dfe12ae | 165 | { |
d8dd2062 | 166 | unsigned short status, count; |
8620a406 | 167 | unsigned int devdep; |
d8dd2062 | 168 | }; |
169 | ||
170 | static char *tryfile; | |
171 | ||
71a3e619 | 172 | /* Variable length string. */ |
d8dd2062 | 173 | struct vstring |
174 | { | |
175 | short length; | |
f15731c4 | 176 | char string[NAM$C_MAXRSS+1]; |
d8dd2062 | 177 | }; |
178 | ||
d8dd2062 | 179 | #else |
180 | #include <utime.h> | |
181 | #endif | |
182 | ||
1fac938e | 183 | #if defined (__EMX__) || defined (MSDOS) || defined (_WIN32) |
184 | #include <process.h> | |
185 | #endif | |
186 | ||
187 | #if defined (_WIN32) | |
188 | #include <dir.h> | |
189 | #include <windows.h> | |
7db1ef17 | 190 | #include <accctrl.h> |
191 | #include <aclapi.h> | |
fef772a5 | 192 | #undef DIR_SEPARATOR |
193 | #define DIR_SEPARATOR '\\' | |
1fac938e | 194 | #endif |
195 | ||
196 | #include "adaint.h" | |
197 | ||
198 | /* Define symbols O_BINARY and O_TEXT as harmless zeroes if they are not | |
199 | defined in the current system. On DOS-like systems these flags control | |
200 | whether the file is opened/created in text-translation mode (CR/LF in | |
201 | external file mapped to LF in internal file), but in Unix-like systems, | |
202 | no text translation is required, so these flags have no effect. */ | |
203 | ||
204 | #if defined (__EMX__) | |
205 | #include <os2.h> | |
206 | #endif | |
207 | ||
208 | #if defined (MSDOS) | |
209 | #include <dos.h> | |
210 | #endif | |
211 | ||
212 | #ifndef O_BINARY | |
213 | #define O_BINARY 0 | |
214 | #endif | |
215 | ||
216 | #ifndef O_TEXT | |
217 | #define O_TEXT 0 | |
218 | #endif | |
219 | ||
220 | #ifndef HOST_EXECUTABLE_SUFFIX | |
221 | #define HOST_EXECUTABLE_SUFFIX "" | |
222 | #endif | |
223 | ||
224 | #ifndef HOST_OBJECT_SUFFIX | |
225 | #define HOST_OBJECT_SUFFIX ".o" | |
226 | #endif | |
227 | ||
228 | #ifndef PATH_SEPARATOR | |
229 | #define PATH_SEPARATOR ':' | |
230 | #endif | |
231 | ||
232 | #ifndef DIR_SEPARATOR | |
233 | #define DIR_SEPARATOR '/' | |
234 | #endif | |
235 | ||
a3b0f4f2 | 236 | /* Check for cross-compilation */ |
29d774d0 | 237 | #ifdef CROSS_DIRECTORY_STRUCTURE |
a3b0f4f2 | 238 | int __gnat_is_cross_compiler = 1; |
239 | #else | |
240 | int __gnat_is_cross_compiler = 0; | |
241 | #endif | |
242 | ||
1fac938e | 243 | char __gnat_dir_separator = DIR_SEPARATOR; |
244 | ||
245 | char __gnat_path_separator = PATH_SEPARATOR; | |
246 | ||
247 | /* The GNAT_LIBRARY_TEMPLATE contains a list of expressions that define | |
248 | the base filenames that libraries specified with -lsomelib options | |
249 | may have. This is used by GNATMAKE to check whether an executable | |
250 | is up-to-date or not. The syntax is | |
251 | ||
252 | library_template ::= { pattern ; } pattern NUL | |
253 | pattern ::= [ prefix ] * [ postfix ] | |
254 | ||
255 | These should only specify names of static libraries as it makes | |
256 | no sense to determine at link time if dynamic-link libraries are | |
257 | up to date or not. Any libraries that are not found are supposed | |
258 | to be up-to-date: | |
259 | ||
260 | * if they are needed but not present, the link | |
261 | will fail, | |
262 | ||
263 | * otherwise they are libraries in the system paths and so | |
264 | they are considered part of the system and not checked | |
265 | for that reason. | |
266 | ||
267 | ??? This should be part of a GNAT host-specific compiler | |
268 | file instead of being included in all user applications | |
f15731c4 | 269 | as well. This is only a temporary work-around for 3.11b. */ |
1fac938e | 270 | |
271 | #ifndef GNAT_LIBRARY_TEMPLATE | |
f15731c4 | 272 | #if defined (__EMX__) |
1fac938e | 273 | #define GNAT_LIBRARY_TEMPLATE "*.a" |
f15731c4 | 274 | #elif defined (VMS) |
1fac938e | 275 | #define GNAT_LIBRARY_TEMPLATE "*.olb" |
276 | #else | |
277 | #define GNAT_LIBRARY_TEMPLATE "lib*.a" | |
278 | #endif | |
279 | #endif | |
280 | ||
281 | const char *__gnat_library_template = GNAT_LIBRARY_TEMPLATE; | |
282 | ||
f15731c4 | 283 | /* This variable is used in hostparm.ads to say whether the host is a VMS |
284 | system. */ | |
285 | #ifdef VMS | |
286 | const int __gnat_vmsp = 1; | |
287 | #else | |
288 | const int __gnat_vmsp = 0; | |
289 | #endif | |
290 | ||
e633acdc | 291 | #ifdef __EMX__ |
9dfe12ae | 292 | #define GNAT_MAX_PATH_LEN MAX_PATH |
e633acdc | 293 | |
294 | #elif defined (VMS) | |
9dfe12ae | 295 | #define GNAT_MAX_PATH_LEN 256 /* PATH_MAX */ |
e633acdc | 296 | |
5091bc2f | 297 | #elif defined (__vxworks) || defined (__OPENNT) || defined(__nucleus__) |
9dfe12ae | 298 | #define GNAT_MAX_PATH_LEN PATH_MAX |
299 | ||
300 | #else | |
301 | ||
302 | #if defined (__MINGW32__) | |
303 | #include "mingw32.h" | |
304 | ||
305 | #if OLD_MINGW | |
306 | #include <sys/param.h> | |
307 | #endif | |
e633acdc | 308 | |
309 | #else | |
310 | #include <sys/param.h> | |
9dfe12ae | 311 | #endif |
312 | ||
8ae72cac | 313 | #ifdef MAXPATHLEN |
9dfe12ae | 314 | #define GNAT_MAX_PATH_LEN MAXPATHLEN |
8ae72cac | 315 | #else |
316 | #define GNAT_MAX_PATH_LEN 256 | |
317 | #endif | |
e633acdc | 318 | |
319 | #endif | |
320 | ||
9dfe12ae | 321 | /* The __gnat_max_path_len variable is used to export the maximum |
322 | length of a path name to Ada code. max_path_len is also provided | |
323 | for compatibility with older GNAT versions, please do not use | |
324 | it. */ | |
325 | ||
326 | int __gnat_max_path_len = GNAT_MAX_PATH_LEN; | |
327 | int max_path_len = GNAT_MAX_PATH_LEN; | |
328 | ||
1fac938e | 329 | /* The following macro HAVE_READDIR_R should be defined if the |
f15731c4 | 330 | system provides the routine readdir_r. */ |
1fac938e | 331 | #undef HAVE_READDIR_R |
332 | \f | |
6d9c3443 | 333 | #if defined(VMS) && defined (__LONG_POINTERS) |
334 | ||
335 | /* Return a 32 bit pointer to an array of 32 bit pointers | |
336 | given a 64 bit pointer to an array of 64 bit pointers */ | |
337 | ||
338 | typedef __char_ptr32 *__char_ptr_char_ptr32 __attribute__ ((mode (SI))); | |
339 | ||
340 | static __char_ptr_char_ptr32 | |
341 | to_ptr32 (char **ptr64) | |
342 | { | |
343 | int argc; | |
344 | __char_ptr_char_ptr32 short_argv; | |
345 | ||
346 | for (argc=0; ptr64[argc]; argc++); | |
347 | ||
348 | /* Reallocate argv with 32 bit pointers. */ | |
349 | short_argv = (__char_ptr_char_ptr32) decc$malloc | |
350 | (sizeof (__char_ptr32) * (argc + 1)); | |
351 | ||
352 | for (argc=0; ptr64[argc]; argc++) | |
353 | short_argv[argc] = (__char_ptr32) decc$strdup (ptr64[argc]); | |
354 | ||
355 | short_argv[argc] = (__char_ptr32) 0; | |
356 | return short_argv; | |
357 | ||
358 | } | |
359 | #define MAYBE_TO_PTR32(argv) to_ptr32 (argv) | |
360 | #else | |
361 | #define MAYBE_TO_PTR32(argv) argv | |
362 | #endif | |
363 | ||
1e622f0e | 364 | OS_Time |
365 | __gnat_current_time | |
366 | (void) | |
367 | { | |
368 | time_t res = time (NULL); | |
369 | return (OS_Time) res; | |
370 | } | |
371 | ||
a17c817e | 372 | /* Return the current local time as a string in the ISO 8601 format of |
373 | "YYYY-MM-DD HH:MM:SS.SS". The returned string is 22 + 1 (NULL) characters | |
374 | long. */ | |
375 | ||
376 | void | |
377 | __gnat_current_time_string | |
378 | (char *result) | |
379 | { | |
380 | const char *format = "%Y-%m-%d %H:%M:%S"; | |
381 | /* Format string necessary to describe the ISO 8601 format */ | |
382 | ||
383 | const time_t t_val = time (NULL); | |
384 | ||
385 | strftime (result, 22, format, localtime (&t_val)); | |
386 | /* Convert the local time into a string following the ISO format, copying | |
387 | at most 22 characters into the result string. */ | |
388 | ||
389 | result [19] = '.'; | |
390 | result [20] = '0'; | |
391 | result [21] = '0'; | |
392 | /* The sub-seconds are manually set to zero since type time_t lacks the | |
393 | precision necessary for nanoseconds. */ | |
394 | } | |
395 | ||
1fac938e | 396 | void |
9dfe12ae | 397 | __gnat_to_gm_time |
398 | (OS_Time *p_time, | |
399 | int *p_year, | |
400 | int *p_month, | |
401 | int *p_day, | |
402 | int *p_hours, | |
403 | int *p_mins, | |
404 | int *p_secs) | |
1fac938e | 405 | { |
406 | struct tm *res; | |
9dfe12ae | 407 | time_t time = (time_t) *p_time; |
1fac938e | 408 | |
409 | #ifdef _WIN32 | |
410 | /* On Windows systems, the time is sometimes rounded up to the nearest | |
411 | even second, so if the number of seconds is odd, increment it. */ | |
412 | if (time & 1) | |
413 | time++; | |
414 | #endif | |
415 | ||
9dfe12ae | 416 | #ifdef VMS |
417 | res = localtime (&time); | |
418 | #else | |
1fac938e | 419 | res = gmtime (&time); |
9dfe12ae | 420 | #endif |
1fac938e | 421 | |
422 | if (res) | |
423 | { | |
424 | *p_year = res->tm_year; | |
425 | *p_month = res->tm_mon; | |
426 | *p_day = res->tm_mday; | |
427 | *p_hours = res->tm_hour; | |
428 | *p_mins = res->tm_min; | |
429 | *p_secs = res->tm_sec; | |
f15731c4 | 430 | } |
1fac938e | 431 | else |
432 | *p_year = *p_month = *p_day = *p_hours = *p_mins = *p_secs = 0; | |
433 | } | |
434 | ||
435 | /* Place the contents of the symbolic link named PATH in the buffer BUF, | |
436 | which has size BUFSIZ. If PATH is a symbolic link, then return the number | |
5091bc2f | 437 | of characters of its content in BUF. Otherwise, return -1. |
438 | For systems not supporting symbolic links, always return -1. */ | |
1fac938e | 439 | |
9dfe12ae | 440 | int |
f0a28ccb | 441 | __gnat_readlink (char *path ATTRIBUTE_UNUSED, |
442 | char *buf ATTRIBUTE_UNUSED, | |
443 | size_t bufsiz ATTRIBUTE_UNUSED) | |
1fac938e | 444 | { |
5091bc2f | 445 | #if defined (MSDOS) || defined (_WIN32) || defined (__EMX__) \ |
acc10cf1 | 446 | || defined (VMS) || defined(__vxworks) || defined (__nucleus__) |
1fac938e | 447 | return -1; |
448 | #else | |
449 | return readlink (path, buf, bufsiz); | |
450 | #endif | |
451 | } | |
452 | ||
5091bc2f | 453 | /* Creates a symbolic link named NEWPATH which contains the string OLDPATH. |
454 | If NEWPATH exists it will NOT be overwritten. | |
455 | For systems not supporting symbolic links, always return -1. */ | |
1fac938e | 456 | |
457 | int | |
f0a28ccb | 458 | __gnat_symlink (char *oldpath ATTRIBUTE_UNUSED, |
459 | char *newpath ATTRIBUTE_UNUSED) | |
1fac938e | 460 | { |
5091bc2f | 461 | #if defined (MSDOS) || defined (_WIN32) || defined (__EMX__) \ |
acc10cf1 | 462 | || defined (VMS) || defined(__vxworks) || defined (__nucleus__) |
1fac938e | 463 | return -1; |
464 | #else | |
465 | return symlink (oldpath, newpath); | |
466 | #endif | |
467 | } | |
468 | ||
f15731c4 | 469 | /* Try to lock a file, return 1 if success. */ |
1fac938e | 470 | |
a17c817e | 471 | #if defined (__vxworks) || defined (__nucleus__) || defined (MSDOS) \ |
511d352a | 472 | || defined (_WIN32) || defined (__EMX__) || defined (VMS) |
1fac938e | 473 | |
474 | /* Version that does not use link. */ | |
475 | ||
476 | int | |
9dfe12ae | 477 | __gnat_try_lock (char *dir, char *file) |
1fac938e | 478 | { |
1fac938e | 479 | int fd; |
3b18b370 | 480 | #ifdef __MINGW32__ |
481 | TCHAR wfull_path[GNAT_MAX_PATH_LEN]; | |
482 | TCHAR wfile[GNAT_MAX_PATH_LEN]; | |
483 | TCHAR wdir[GNAT_MAX_PATH_LEN]; | |
484 | ||
1e622f0e | 485 | S2WSU (wdir, dir, GNAT_MAX_PATH_LEN); |
486 | S2WSU (wfile, file, GNAT_MAX_PATH_LEN); | |
3b18b370 | 487 | |
488 | _stprintf (wfull_path, _T("%s%c%s"), wdir, _T(DIR_SEPARATOR), wfile); | |
489 | fd = _topen (wfull_path, O_CREAT | O_EXCL, 0600); | |
490 | #else | |
491 | char full_path[256]; | |
1fac938e | 492 | |
493 | sprintf (full_path, "%s%c%s", dir, DIR_SEPARATOR, file); | |
494 | fd = open (full_path, O_CREAT | O_EXCL, 0600); | |
3b18b370 | 495 | #endif |
496 | ||
f15731c4 | 497 | if (fd < 0) |
1fac938e | 498 | return 0; |
f15731c4 | 499 | |
1fac938e | 500 | close (fd); |
501 | return 1; | |
502 | } | |
503 | ||
1fac938e | 504 | #else |
f15731c4 | 505 | |
1fac938e | 506 | /* Version using link(), more secure over NFS. */ |
9dfe12ae | 507 | /* See TN 6913-016 for discussion ??? */ |
1fac938e | 508 | |
509 | int | |
9dfe12ae | 510 | __gnat_try_lock (char *dir, char *file) |
1fac938e | 511 | { |
f15731c4 | 512 | char full_path[256]; |
513 | char temp_file[256]; | |
1fac938e | 514 | struct stat stat_result; |
515 | int fd; | |
516 | ||
517 | sprintf (full_path, "%s%c%s", dir, DIR_SEPARATOR, file); | |
4a3f445c | 518 | sprintf (temp_file, "%s%cTMP-%ld-%ld", |
519 | dir, DIR_SEPARATOR, (long)getpid(), (long)getppid ()); | |
1fac938e | 520 | |
f15731c4 | 521 | /* Create the temporary file and write the process number. */ |
1fac938e | 522 | fd = open (temp_file, O_CREAT | O_WRONLY, 0600); |
523 | if (fd < 0) | |
524 | return 0; | |
525 | ||
526 | close (fd); | |
527 | ||
f15731c4 | 528 | /* Link it with the new file. */ |
1fac938e | 529 | link (temp_file, full_path); |
530 | ||
531 | /* Count the references on the old one. If we have a count of two, then | |
f15731c4 | 532 | the link did succeed. Remove the temporary file before returning. */ |
1fac938e | 533 | __gnat_stat (temp_file, &stat_result); |
534 | unlink (temp_file); | |
535 | return stat_result.st_nlink == 2; | |
536 | } | |
537 | #endif | |
538 | ||
539 | /* Return the maximum file name length. */ | |
540 | ||
541 | int | |
6f2c2693 | 542 | __gnat_get_maximum_file_name_length (void) |
1fac938e | 543 | { |
f15731c4 | 544 | #if defined (MSDOS) |
1fac938e | 545 | return 8; |
546 | #elif defined (VMS) | |
547 | if (getenv ("GNAT$EXTENDED_FILE_SPECIFICATIONS")) | |
548 | return -1; | |
549 | else | |
550 | return 39; | |
551 | #else | |
552 | return -1; | |
553 | #endif | |
554 | } | |
555 | ||
1fac938e | 556 | /* Return nonzero if file names are case sensitive. */ |
557 | ||
558 | int | |
6f2c2693 | 559 | __gnat_get_file_names_case_sensitive (void) |
1fac938e | 560 | { |
f15731c4 | 561 | #if defined (__EMX__) || defined (MSDOS) || defined (VMS) || defined (WINNT) |
1fac938e | 562 | return 0; |
563 | #else | |
564 | return 1; | |
565 | #endif | |
566 | } | |
567 | ||
568 | char | |
6f2c2693 | 569 | __gnat_get_default_identifier_character_set (void) |
1fac938e | 570 | { |
571 | #if defined (__EMX__) || defined (MSDOS) | |
572 | return 'p'; | |
573 | #else | |
574 | return '1'; | |
575 | #endif | |
576 | } | |
577 | ||
f15731c4 | 578 | /* Return the current working directory. */ |
1fac938e | 579 | |
580 | void | |
9dfe12ae | 581 | __gnat_get_current_dir (char *dir, int *length) |
1fac938e | 582 | { |
3b18b370 | 583 | #if defined (__MINGW32__) |
584 | TCHAR wdir[GNAT_MAX_PATH_LEN]; | |
585 | ||
586 | _tgetcwd (wdir, *length); | |
587 | ||
1e622f0e | 588 | WS2SU (dir, wdir, GNAT_MAX_PATH_LEN); |
3b18b370 | 589 | |
590 | #elif defined (VMS) | |
1fac938e | 591 | /* Force Unix style, which is what GNAT uses internally. */ |
592 | getcwd (dir, *length, 0); | |
593 | #else | |
594 | getcwd (dir, *length); | |
595 | #endif | |
596 | ||
597 | *length = strlen (dir); | |
598 | ||
9dfe12ae | 599 | if (dir [*length - 1] != DIR_SEPARATOR) |
600 | { | |
601 | dir [*length] = DIR_SEPARATOR; | |
602 | ++(*length); | |
603 | } | |
f15731c4 | 604 | dir[*length] = '\0'; |
1fac938e | 605 | } |
606 | ||
f15731c4 | 607 | /* Return the suffix for object files. */ |
1fac938e | 608 | |
609 | void | |
9dfe12ae | 610 | __gnat_get_object_suffix_ptr (int *len, const char **value) |
1fac938e | 611 | { |
612 | *value = HOST_OBJECT_SUFFIX; | |
613 | ||
614 | if (*value == 0) | |
615 | *len = 0; | |
616 | else | |
617 | *len = strlen (*value); | |
618 | ||
619 | return; | |
620 | } | |
621 | ||
f15731c4 | 622 | /* Return the suffix for executable files. */ |
1fac938e | 623 | |
624 | void | |
9dfe12ae | 625 | __gnat_get_executable_suffix_ptr (int *len, const char **value) |
1fac938e | 626 | { |
627 | *value = HOST_EXECUTABLE_SUFFIX; | |
628 | if (!*value) | |
629 | *len = 0; | |
630 | else | |
631 | *len = strlen (*value); | |
632 | ||
633 | return; | |
634 | } | |
635 | ||
636 | /* Return the suffix for debuggable files. Usually this is the same as the | |
f15731c4 | 637 | executable extension. */ |
1fac938e | 638 | |
639 | void | |
9dfe12ae | 640 | __gnat_get_debuggable_suffix_ptr (int *len, const char **value) |
1fac938e | 641 | { |
642 | #ifndef MSDOS | |
643 | *value = HOST_EXECUTABLE_SUFFIX; | |
644 | #else | |
f15731c4 | 645 | /* On DOS, the extensionless COFF file is what gdb likes. */ |
1fac938e | 646 | *value = ""; |
647 | #endif | |
648 | ||
649 | if (*value == 0) | |
650 | *len = 0; | |
651 | else | |
652 | *len = strlen (*value); | |
653 | ||
654 | return; | |
655 | } | |
656 | ||
1aa4b9ce | 657 | /* Returns the OS filename and corresponding encoding. */ |
658 | ||
659 | void | |
c62e34a4 | 660 | __gnat_os_filename (char *filename, char *w_filename ATTRIBUTE_UNUSED, |
1aa4b9ce | 661 | char *os_name, int *o_length, |
c62e34a4 | 662 | char *encoding ATTRIBUTE_UNUSED, int *e_length) |
1aa4b9ce | 663 | { |
664 | #if defined (_WIN32) && ! defined (__vxworks) && ! defined (CROSS_DIRECTORY_STRUCTURE) | |
665 | WS2SU (os_name, (TCHAR *)w_filename, o_length); | |
666 | *o_length = strlen (os_name); | |
667 | strcpy (encoding, "encoding=utf8"); | |
668 | *e_length = strlen (encoding); | |
669 | #else | |
670 | strcpy (os_name, filename); | |
671 | *o_length = strlen (filename); | |
672 | *e_length = 0; | |
673 | #endif | |
674 | } | |
675 | ||
13320214 | 676 | /* Delete a file. */ |
677 | ||
678 | int | |
679 | __gnat_unlink (char *path) | |
680 | { | |
681 | #if defined (__MINGW32__) && ! defined (__vxworks) && ! defined (CROSS_COMPILE) | |
682 | { | |
683 | TCHAR wpath[GNAT_MAX_PATH_LEN]; | |
684 | ||
685 | S2WSU (wpath, path, GNAT_MAX_PATH_LEN); | |
686 | return _tunlink (wpath); | |
687 | } | |
688 | #else | |
689 | return unlink (path); | |
690 | #endif | |
691 | } | |
692 | ||
693 | /* Rename a file. */ | |
694 | ||
695 | int | |
696 | __gnat_rename (char *from, char *to) | |
697 | { | |
698 | #if defined (__MINGW32__) && ! defined (__vxworks) && ! defined (CROSS_COMPILE) | |
699 | { | |
700 | TCHAR wfrom[GNAT_MAX_PATH_LEN], wto[GNAT_MAX_PATH_LEN]; | |
701 | ||
702 | S2WSU (wfrom, from, GNAT_MAX_PATH_LEN); | |
703 | S2WSU (wto, to, GNAT_MAX_PATH_LEN); | |
704 | return _trename (wfrom, wto); | |
705 | } | |
706 | #else | |
707 | return rename (from, to); | |
708 | #endif | |
709 | } | |
710 | ||
a8d94a8f | 711 | /* Changing directory. */ |
712 | ||
713 | int | |
714 | __gnat_chdir (char *path) | |
715 | { | |
716 | #if defined (__MINGW32__) && ! defined (__vxworks) && ! defined (CROSS_COMPILE) | |
717 | { | |
718 | TCHAR wpath[GNAT_MAX_PATH_LEN]; | |
719 | ||
720 | S2WSU (wpath, path, GNAT_MAX_PATH_LEN); | |
721 | return _tchdir (wpath); | |
722 | } | |
723 | #else | |
724 | return chdir (path); | |
725 | #endif | |
726 | } | |
727 | ||
437991c2 | 728 | /* Removing a directory. */ |
729 | ||
730 | int | |
731 | __gnat_rmdir (char *path) | |
732 | { | |
733 | #if defined (__MINGW32__) && ! defined (__vxworks) && ! defined (CROSS_COMPILE) | |
734 | { | |
735 | TCHAR wpath[GNAT_MAX_PATH_LEN]; | |
736 | ||
737 | S2WSU (wpath, path, GNAT_MAX_PATH_LEN); | |
738 | return _trmdir (wpath); | |
739 | } | |
740 | #else | |
741 | return rmdir (path); | |
742 | #endif | |
743 | } | |
744 | ||
e2c62f37 | 745 | FILE * |
c62e34a4 | 746 | __gnat_fopen (char *path, char *mode, int encoding ATTRIBUTE_UNUSED) |
e2c62f37 | 747 | { |
29d774d0 | 748 | #if defined (_WIN32) && ! defined (__vxworks) && ! defined (CROSS_DIRECTORY_STRUCTURE) |
e2c62f37 | 749 | TCHAR wpath[GNAT_MAX_PATH_LEN]; |
750 | TCHAR wmode[10]; | |
751 | ||
e2c62f37 | 752 | S2WS (wmode, mode, 10); |
1e622f0e | 753 | |
754 | if (encoding == Encoding_UTF8) | |
755 | S2WSU (wpath, path, GNAT_MAX_PATH_LEN); | |
756 | else | |
757 | S2WS (wpath, path, GNAT_MAX_PATH_LEN); | |
758 | ||
e2c62f37 | 759 | return _tfopen (wpath, wmode); |
1e622f0e | 760 | #elif defined (VMS) |
761 | return decc$fopen (path, mode); | |
e2c62f37 | 762 | #else |
763 | return fopen (path, mode); | |
764 | #endif | |
765 | } | |
766 | ||
e2c62f37 | 767 | FILE * |
c62e34a4 | 768 | __gnat_freopen (char *path, char *mode, FILE *stream, int encoding ATTRIBUTE_UNUSED) |
e2c62f37 | 769 | { |
29d774d0 | 770 | #if defined (_WIN32) && ! defined (__vxworks) && ! defined (CROSS_DIRECTORY_STRUCTURE) |
e2c62f37 | 771 | TCHAR wpath[GNAT_MAX_PATH_LEN]; |
772 | TCHAR wmode[10]; | |
773 | ||
e2c62f37 | 774 | S2WS (wmode, mode, 10); |
1e622f0e | 775 | |
776 | if (encoding == Encoding_UTF8) | |
777 | S2WSU (wpath, path, GNAT_MAX_PATH_LEN); | |
778 | else | |
779 | S2WS (wpath, path, GNAT_MAX_PATH_LEN); | |
780 | ||
e2c62f37 | 781 | return _tfreopen (wpath, wmode, stream); |
1e622f0e | 782 | #elif defined (VMS) |
783 | return decc$freopen (path, mode, stream); | |
e2c62f37 | 784 | #else |
785 | return freopen (path, mode, stream); | |
786 | #endif | |
787 | } | |
788 | ||
1fac938e | 789 | int |
9dfe12ae | 790 | __gnat_open_read (char *path, int fmode) |
1fac938e | 791 | { |
792 | int fd; | |
793 | int o_fmode = O_BINARY; | |
794 | ||
795 | if (fmode) | |
796 | o_fmode = O_TEXT; | |
797 | ||
f15731c4 | 798 | #if defined (VMS) |
799 | /* Optional arguments mbc,deq,fop increase read performance. */ | |
1fac938e | 800 | fd = open (path, O_RDONLY | o_fmode, 0444, |
801 | "mbc=16", "deq=64", "fop=tef"); | |
f15731c4 | 802 | #elif defined (__vxworks) |
1fac938e | 803 | fd = open (path, O_RDONLY | o_fmode, 0444); |
3b18b370 | 804 | #elif defined (__MINGW32__) |
805 | { | |
806 | TCHAR wpath[GNAT_MAX_PATH_LEN]; | |
807 | ||
1e622f0e | 808 | S2WSU (wpath, path, GNAT_MAX_PATH_LEN); |
3b18b370 | 809 | fd = _topen (wpath, O_RDONLY | o_fmode, 0444); |
810 | } | |
1fac938e | 811 | #else |
812 | fd = open (path, O_RDONLY | o_fmode); | |
813 | #endif | |
f15731c4 | 814 | |
1fac938e | 815 | return fd < 0 ? -1 : fd; |
816 | } | |
817 | ||
9dfe12ae | 818 | #if defined (__EMX__) || defined (__MINGW32__) |
1fac938e | 819 | #define PERM (S_IREAD | S_IWRITE) |
9dfe12ae | 820 | #elif defined (VMS) |
821 | /* Excerpt from DECC C RTL Reference Manual: | |
822 | To create files with OpenVMS RMS default protections using the UNIX | |
823 | system-call functions umask, mkdir, creat, and open, call mkdir, creat, | |
824 | and open with a file-protection mode argument of 0777 in a program | |
825 | that never specifically calls umask. These default protections include | |
826 | correctly establishing protections based on ACLs, previous versions of | |
827 | files, and so on. */ | |
828 | #define PERM 0777 | |
1fac938e | 829 | #else |
830 | #define PERM (S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH | S_IWOTH) | |
831 | #endif | |
832 | ||
833 | int | |
9dfe12ae | 834 | __gnat_open_rw (char *path, int fmode) |
1fac938e | 835 | { |
836 | int fd; | |
837 | int o_fmode = O_BINARY; | |
838 | ||
839 | if (fmode) | |
840 | o_fmode = O_TEXT; | |
841 | ||
f15731c4 | 842 | #if defined (VMS) |
1fac938e | 843 | fd = open (path, O_RDWR | o_fmode, PERM, |
844 | "mbc=16", "deq=64", "fop=tef"); | |
3b18b370 | 845 | #elif defined (__MINGW32__) |
846 | { | |
847 | TCHAR wpath[GNAT_MAX_PATH_LEN]; | |
848 | ||
1e622f0e | 849 | S2WSU (wpath, path, GNAT_MAX_PATH_LEN); |
3b18b370 | 850 | fd = _topen (wpath, O_RDWR | o_fmode, PERM); |
851 | } | |
1fac938e | 852 | #else |
853 | fd = open (path, O_RDWR | o_fmode, PERM); | |
854 | #endif | |
855 | ||
856 | return fd < 0 ? -1 : fd; | |
857 | } | |
858 | ||
859 | int | |
9dfe12ae | 860 | __gnat_open_create (char *path, int fmode) |
1fac938e | 861 | { |
862 | int fd; | |
863 | int o_fmode = O_BINARY; | |
864 | ||
865 | if (fmode) | |
866 | o_fmode = O_TEXT; | |
867 | ||
f15731c4 | 868 | #if defined (VMS) |
1fac938e | 869 | fd = open (path, O_WRONLY | O_CREAT | O_TRUNC | o_fmode, PERM, |
870 | "mbc=16", "deq=64", "fop=tef"); | |
3b18b370 | 871 | #elif defined (__MINGW32__) |
872 | { | |
873 | TCHAR wpath[GNAT_MAX_PATH_LEN]; | |
874 | ||
1e622f0e | 875 | S2WSU (wpath, path, GNAT_MAX_PATH_LEN); |
3b18b370 | 876 | fd = _topen (wpath, O_WRONLY | O_CREAT | O_TRUNC | o_fmode, PERM); |
877 | } | |
1fac938e | 878 | #else |
879 | fd = open (path, O_WRONLY | O_CREAT | O_TRUNC | o_fmode, PERM); | |
880 | #endif | |
881 | ||
882 | return fd < 0 ? -1 : fd; | |
28ed91d4 | 883 | } |
884 | ||
885 | int | |
886 | __gnat_create_output_file (char *path) | |
887 | { | |
888 | int fd; | |
889 | #if defined (VMS) | |
890 | fd = open (path, O_WRONLY | O_CREAT | O_TRUNC | O_TEXT, PERM, | |
891 | "rfm=stmlf", "ctx=rec", "rat=none", "rop=nlk", | |
892 | "shr=del,get,put,upd"); | |
3b18b370 | 893 | #elif defined (__MINGW32__) |
894 | { | |
895 | TCHAR wpath[GNAT_MAX_PATH_LEN]; | |
896 | ||
1e622f0e | 897 | S2WSU (wpath, path, GNAT_MAX_PATH_LEN); |
3b18b370 | 898 | fd = _topen (wpath, O_WRONLY | O_CREAT | O_TRUNC | O_TEXT, PERM); |
899 | } | |
28ed91d4 | 900 | #else |
901 | fd = open (path, O_WRONLY | O_CREAT | O_TRUNC | O_TEXT, PERM); | |
902 | #endif | |
903 | ||
904 | return fd < 0 ? -1 : fd; | |
1fac938e | 905 | } |
906 | ||
907 | int | |
9dfe12ae | 908 | __gnat_open_append (char *path, int fmode) |
1fac938e | 909 | { |
910 | int fd; | |
911 | int o_fmode = O_BINARY; | |
912 | ||
913 | if (fmode) | |
914 | o_fmode = O_TEXT; | |
915 | ||
f15731c4 | 916 | #if defined (VMS) |
1fac938e | 917 | fd = open (path, O_WRONLY | O_CREAT | O_APPEND | o_fmode, PERM, |
918 | "mbc=16", "deq=64", "fop=tef"); | |
3b18b370 | 919 | #elif defined (__MINGW32__) |
920 | { | |
921 | TCHAR wpath[GNAT_MAX_PATH_LEN]; | |
922 | ||
1e622f0e | 923 | S2WSU (wpath, path, GNAT_MAX_PATH_LEN); |
3b18b370 | 924 | fd = _topen (wpath, O_WRONLY | O_CREAT | O_APPEND | o_fmode, PERM); |
925 | } | |
1fac938e | 926 | #else |
927 | fd = open (path, O_WRONLY | O_CREAT | O_APPEND | o_fmode, PERM); | |
928 | #endif | |
929 | ||
930 | return fd < 0 ? -1 : fd; | |
931 | } | |
932 | ||
f15731c4 | 933 | /* Open a new file. Return error (-1) if the file already exists. */ |
1fac938e | 934 | |
935 | int | |
9dfe12ae | 936 | __gnat_open_new (char *path, int fmode) |
1fac938e | 937 | { |
938 | int fd; | |
939 | int o_fmode = O_BINARY; | |
940 | ||
941 | if (fmode) | |
942 | o_fmode = O_TEXT; | |
943 | ||
f15731c4 | 944 | #if defined (VMS) |
1fac938e | 945 | fd = open (path, O_WRONLY | O_CREAT | O_EXCL | o_fmode, PERM, |
946 | "mbc=16", "deq=64", "fop=tef"); | |
3b18b370 | 947 | #elif defined (__MINGW32__) |
948 | { | |
949 | TCHAR wpath[GNAT_MAX_PATH_LEN]; | |
950 | ||
1e622f0e | 951 | S2WSU (wpath, path, GNAT_MAX_PATH_LEN); |
3b18b370 | 952 | fd = _topen (wpath, O_WRONLY | O_CREAT | O_EXCL | o_fmode, PERM); |
953 | } | |
1fac938e | 954 | #else |
955 | fd = open (path, O_WRONLY | O_CREAT | O_EXCL | o_fmode, PERM); | |
956 | #endif | |
957 | ||
958 | return fd < 0 ? -1 : fd; | |
959 | } | |
960 | ||
961 | /* Open a new temp file. Return error (-1) if the file already exists. | |
f15731c4 | 962 | Special options for VMS allow the file to be shared between parent and child |
963 | processes, however they really slow down output. Used in gnatchop. */ | |
1fac938e | 964 | |
965 | int | |
9dfe12ae | 966 | __gnat_open_new_temp (char *path, int fmode) |
1fac938e | 967 | { |
968 | int fd; | |
969 | int o_fmode = O_BINARY; | |
970 | ||
971 | strcpy (path, "GNAT-XXXXXX"); | |
972 | ||
e0324ff5 | 973 | #if (defined (__FreeBSD__) || defined (__NetBSD__) || defined (__OpenBSD__) \ |
9d093602 | 974 | || defined (linux) || defined(__GLIBC__)) && !defined (__vxworks) |
1fac938e | 975 | return mkstemp (path); |
159eb63c | 976 | #elif defined (__Lynx__) |
977 | mktemp (path); | |
5091bc2f | 978 | #elif defined (__nucleus__) |
979 | return -1; | |
1fac938e | 980 | #else |
981 | if (mktemp (path) == NULL) | |
982 | return -1; | |
983 | #endif | |
984 | ||
985 | if (fmode) | |
986 | o_fmode = O_TEXT; | |
987 | ||
f15731c4 | 988 | #if defined (VMS) |
1fac938e | 989 | fd = open (path, O_WRONLY | O_CREAT | O_EXCL | o_fmode, PERM, |
990 | "rfm=stmlf", "ctx=rec", "rat=none", "shr=del,get,put,upd", | |
991 | "mbc=16", "deq=64", "fop=tef"); | |
992 | #else | |
993 | fd = open (path, O_WRONLY | O_CREAT | O_EXCL | o_fmode, PERM); | |
994 | #endif | |
995 | ||
996 | return fd < 0 ? -1 : fd; | |
997 | } | |
998 | ||
f15731c4 | 999 | /* Return the number of bytes in the specified file. */ |
1fac938e | 1000 | |
1001 | long | |
9dfe12ae | 1002 | __gnat_file_length (int fd) |
1fac938e | 1003 | { |
1004 | int ret; | |
1005 | struct stat statbuf; | |
1006 | ||
1007 | ret = fstat (fd, &statbuf); | |
1008 | if (ret || !S_ISREG (statbuf.st_mode)) | |
1009 | return 0; | |
1010 | ||
1011 | return (statbuf.st_size); | |
1012 | } | |
1013 | ||
d24d7e81 | 1014 | /* Return the number of bytes in the specified named file. */ |
1015 | ||
1016 | long | |
1017 | __gnat_named_file_length (char *name) | |
1018 | { | |
1019 | int ret; | |
1020 | struct stat statbuf; | |
1021 | ||
1022 | ret = __gnat_stat (name, &statbuf); | |
1023 | if (ret || !S_ISREG (statbuf.st_mode)) | |
1024 | return 0; | |
1025 | ||
1026 | return (statbuf.st_size); | |
1027 | } | |
1028 | ||
1fac938e | 1029 | /* Create a temporary filename and put it in string pointed to by |
f15731c4 | 1030 | TMP_FILENAME. */ |
1fac938e | 1031 | |
1032 | void | |
9dfe12ae | 1033 | __gnat_tmp_name (char *tmp_filename) |
1fac938e | 1034 | { |
72772d89 | 1035 | #ifdef RTX |
f5099270 | 1036 | /* Variable used to create a series of unique names */ |
1037 | static int counter = 0; | |
1038 | ||
1039 | /* RTX in RTSS mode does not support tempnam nor tmpnam so we emulate it */ | |
1040 | strcpy (tmp_filename, "c:\\WINDOWS\\Temp\\gnat-"); | |
1041 | sprintf (&tmp_filename[strlen (tmp_filename)], "%d\0", counter++); | |
72772d89 | 1042 | |
1043 | #elif defined (__MINGW32__) | |
1fac938e | 1044 | { |
1045 | char *pname; | |
1046 | ||
1047 | /* tempnam tries to create a temporary file in directory pointed to by | |
1048 | TMP environment variable, in c:\temp if TMP is not set, and in | |
1049 | directory specified by P_tmpdir in stdio.h if c:\temp does not | |
1050 | exist. The filename will be created with the prefix "gnat-". */ | |
1051 | ||
1052 | pname = (char *) tempnam ("c:\\temp", "gnat-"); | |
1053 | ||
9dfe12ae | 1054 | /* if pname is NULL, the file was not created properly, the disk is full |
1055 | or there is no more free temporary files */ | |
1056 | ||
1057 | if (pname == NULL) | |
1058 | *tmp_filename = '\0'; | |
1059 | ||
f15731c4 | 1060 | /* If pname start with a back slash and not path information it means that |
1061 | the filename is valid for the current working directory. */ | |
1fac938e | 1062 | |
9dfe12ae | 1063 | else if (pname[0] == '\\') |
1fac938e | 1064 | { |
1065 | strcpy (tmp_filename, ".\\"); | |
1066 | strcat (tmp_filename, pname+1); | |
1067 | } | |
1068 | else | |
1069 | strcpy (tmp_filename, pname); | |
1070 | ||
1071 | free (pname); | |
1072 | } | |
f15731c4 | 1073 | |
e0324ff5 | 1074 | #elif defined (linux) || defined (__FreeBSD__) || defined (__NetBSD__) \ |
9d093602 | 1075 | || defined (__OpenBSD__) || defined(__GLIBC__) |
9dfe12ae | 1076 | #define MAX_SAFE_PATH 1000 |
1fac938e | 1077 | char *tmpdir = getenv ("TMPDIR"); |
1078 | ||
9dfe12ae | 1079 | /* If tmpdir is longer than MAX_SAFE_PATH, revert to default value to avoid |
1080 | a buffer overflow. */ | |
1081 | if (tmpdir == NULL || strlen (tmpdir) > MAX_SAFE_PATH) | |
1fac938e | 1082 | strcpy (tmp_filename, "/tmp/gnat-XXXXXX"); |
1083 | else | |
9dfe12ae | 1084 | sprintf (tmp_filename, "%s/gnat-XXXXXX", tmpdir); |
1fac938e | 1085 | |
1086 | close (mkstemp(tmp_filename)); | |
1087 | #else | |
1088 | tmpnam (tmp_filename); | |
1089 | #endif | |
1090 | } | |
1091 | ||
3b18b370 | 1092 | /* Open directory and returns a DIR pointer. */ |
1093 | ||
1094 | DIR* __gnat_opendir (char *name) | |
1095 | { | |
e2a33c18 | 1096 | #if defined (RTX) |
1097 | /* Not supported in RTX */ | |
1098 | ||
1099 | return NULL; | |
1100 | ||
1101 | #elif defined (__MINGW32__) | |
3b18b370 | 1102 | TCHAR wname[GNAT_MAX_PATH_LEN]; |
1103 | ||
1e622f0e | 1104 | S2WSU (wname, name, GNAT_MAX_PATH_LEN); |
3b18b370 | 1105 | return (DIR*)_topendir (wname); |
1106 | ||
1107 | #else | |
1108 | return opendir (name); | |
1109 | #endif | |
1110 | } | |
1111 | ||
1fac938e | 1112 | /* Read the next entry in a directory. The returned string points somewhere |
1113 | in the buffer. */ | |
1114 | ||
1115 | char * | |
3b18b370 | 1116 | __gnat_readdir (DIR *dirp, char *buffer, int *len) |
1fac938e | 1117 | { |
e2a33c18 | 1118 | #if defined (RTX) |
1119 | /* Not supported in RTX */ | |
1120 | ||
1121 | return NULL; | |
8e726ab4 | 1122 | |
e2a33c18 | 1123 | #elif defined (__MINGW32__) |
3b18b370 | 1124 | struct _tdirent *dirent = _treaddir ((_TDIR*)dirp); |
1125 | ||
1126 | if (dirent != NULL) | |
1127 | { | |
1e622f0e | 1128 | WS2SU (buffer, dirent->d_name, GNAT_MAX_PATH_LEN); |
3b18b370 | 1129 | *len = strlen (buffer); |
1130 | ||
1131 | return buffer; | |
1132 | } | |
1133 | else | |
1134 | return NULL; | |
1135 | ||
1136 | #elif defined (HAVE_READDIR_R) | |
1fac938e | 1137 | /* If possible, try to use the thread-safe version. */ |
1fac938e | 1138 | if (readdir_r (dirp, buffer) != NULL) |
1aa4b9ce | 1139 | { |
1140 | *len = strlen (((struct dirent*) buffer)->d_name); | |
1141 | return ((struct dirent*) buffer)->d_name; | |
1142 | } | |
1fac938e | 1143 | else |
1144 | return NULL; | |
1145 | ||
1146 | #else | |
5b941af6 | 1147 | struct dirent *dirent = (struct dirent *) readdir (dirp); |
1fac938e | 1148 | |
1149 | if (dirent != NULL) | |
1150 | { | |
1151 | strcpy (buffer, dirent->d_name); | |
3b18b370 | 1152 | *len = strlen (buffer); |
1fac938e | 1153 | return buffer; |
1154 | } | |
1155 | else | |
1156 | return NULL; | |
1157 | ||
1158 | #endif | |
1159 | } | |
1160 | ||
3b18b370 | 1161 | /* Close a directory entry. */ |
1162 | ||
1163 | int __gnat_closedir (DIR *dirp) | |
1164 | { | |
e2a33c18 | 1165 | #if defined (RTX) |
1166 | /* Not supported in RTX */ | |
1167 | ||
1168 | return 0; | |
1169 | ||
1170 | #elif defined (__MINGW32__) | |
3b18b370 | 1171 | return _tclosedir ((_TDIR*)dirp); |
1172 | ||
1173 | #else | |
1174 | return closedir (dirp); | |
1175 | #endif | |
1176 | } | |
1177 | ||
1fac938e | 1178 | /* Returns 1 if readdir is thread safe, 0 otherwise. */ |
1179 | ||
1180 | int | |
6f2c2693 | 1181 | __gnat_readdir_is_thread_safe (void) |
1fac938e | 1182 | { |
1183 | #ifdef HAVE_READDIR_R | |
1184 | return 1; | |
1185 | #else | |
1186 | return 0; | |
1187 | #endif | |
1188 | } | |
1189 | ||
e2a33c18 | 1190 | #if defined (_WIN32) && !defined (RTX) |
982e2721 | 1191 | /* Number of seconds between <Jan 1st 1601> and <Jan 1st 1970>. */ |
1192 | static const unsigned long long w32_epoch_offset = 11644473600ULL; | |
1fac938e | 1193 | |
1194 | /* Returns the file modification timestamp using Win32 routines which are | |
1195 | immune against daylight saving time change. It is in fact not possible to | |
1196 | use fstat for this purpose as the DST modify the st_mtime field of the | |
1197 | stat structure. */ | |
1198 | ||
1199 | static time_t | |
9dfe12ae | 1200 | win32_filetime (HANDLE h) |
1fac938e | 1201 | { |
982e2721 | 1202 | union |
1203 | { | |
1204 | FILETIME ft_time; | |
1205 | unsigned long long ull_time; | |
1206 | } t_write; | |
1fac938e | 1207 | |
1208 | /* GetFileTime returns FILETIME data which are the number of 100 nanosecs | |
1209 | since <Jan 1st 1601>. This function must return the number of seconds | |
1210 | since <Jan 1st 1970>. */ | |
1211 | ||
982e2721 | 1212 | if (GetFileTime (h, NULL, NULL, &t_write.ft_time)) |
3b18b370 | 1213 | return (time_t) (t_write.ull_time / 10000000ULL - w32_epoch_offset); |
982e2721 | 1214 | return (time_t) 0; |
1fac938e | 1215 | } |
1216 | #endif | |
1217 | ||
1218 | /* Return a GNAT time stamp given a file name. */ | |
1219 | ||
1bbc9831 | 1220 | OS_Time |
9dfe12ae | 1221 | __gnat_file_time_name (char *name) |
1fac938e | 1222 | { |
1fac938e | 1223 | |
1224 | #if defined (__EMX__) || defined (MSDOS) | |
1225 | int fd = open (name, O_RDONLY | O_BINARY); | |
1226 | time_t ret = __gnat_file_time_fd (fd); | |
1227 | close (fd); | |
1bbc9831 | 1228 | return (OS_Time)ret; |
1fac938e | 1229 | |
e2a33c18 | 1230 | #elif defined (_WIN32) && !defined (RTX) |
e2c62f37 | 1231 | time_t ret = -1; |
3b18b370 | 1232 | TCHAR wname[GNAT_MAX_PATH_LEN]; |
1233 | ||
1e622f0e | 1234 | S2WSU (wname, name, GNAT_MAX_PATH_LEN); |
3b18b370 | 1235 | |
1236 | HANDLE h = CreateFile | |
1237 | (wname, GENERIC_READ, FILE_SHARE_READ, 0, | |
1238 | OPEN_EXISTING, FILE_FLAG_BACKUP_SEMANTICS, 0); | |
fabb7dc5 | 1239 | |
982e2721 | 1240 | if (h != INVALID_HANDLE_VALUE) |
1241 | { | |
1242 | ret = win32_filetime (h); | |
1243 | CloseHandle (h); | |
1244 | } | |
1bbc9831 | 1245 | return (OS_Time) ret; |
1fac938e | 1246 | #else |
f0a28ccb | 1247 | struct stat statbuf; |
1bbc9831 | 1248 | if (__gnat_stat (name, &statbuf) != 0) { |
1249 | return (OS_Time)-1; | |
1250 | } else { | |
1fac938e | 1251 | #ifdef VMS |
1bbc9831 | 1252 | /* VMS has file versioning. */ |
1253 | return (OS_Time)statbuf.st_ctime; | |
1fac938e | 1254 | #else |
1bbc9831 | 1255 | return (OS_Time)statbuf.st_mtime; |
1fac938e | 1256 | #endif |
1bbc9831 | 1257 | } |
1fac938e | 1258 | #endif |
1259 | } | |
1260 | ||
1261 | /* Return a GNAT time stamp given a file descriptor. */ | |
1262 | ||
1bbc9831 | 1263 | OS_Time |
9dfe12ae | 1264 | __gnat_file_time_fd (int fd) |
1fac938e | 1265 | { |
1266 | /* The following workaround code is due to the fact that under EMX and | |
1267 | DJGPP fstat attempts to convert time values to GMT rather than keep the | |
1268 | actual OS timestamp of the file. By using the OS2/DOS functions directly | |
1269 | the GNAT timestamp are independent of this behavior, which is desired to | |
f15731c4 | 1270 | facilitate the distribution of GNAT compiled libraries. */ |
1fac938e | 1271 | |
1272 | #if defined (__EMX__) || defined (MSDOS) | |
1273 | #ifdef __EMX__ | |
1274 | ||
1275 | FILESTATUS fs; | |
1276 | int ret = DosQueryFileInfo (fd, 1, (unsigned char *) &fs, | |
1277 | sizeof (FILESTATUS)); | |
1278 | ||
1279 | unsigned file_year = fs.fdateLastWrite.year; | |
1280 | unsigned file_month = fs.fdateLastWrite.month; | |
1281 | unsigned file_day = fs.fdateLastWrite.day; | |
1282 | unsigned file_hour = fs.ftimeLastWrite.hours; | |
1283 | unsigned file_min = fs.ftimeLastWrite.minutes; | |
1284 | unsigned file_tsec = fs.ftimeLastWrite.twosecs; | |
1285 | ||
1286 | #else | |
1287 | struct ftime fs; | |
1288 | int ret = getftime (fd, &fs); | |
1289 | ||
1290 | unsigned file_year = fs.ft_year; | |
1291 | unsigned file_month = fs.ft_month; | |
1292 | unsigned file_day = fs.ft_day; | |
1293 | unsigned file_hour = fs.ft_hour; | |
1294 | unsigned file_min = fs.ft_min; | |
1295 | unsigned file_tsec = fs.ft_tsec; | |
1296 | #endif | |
1297 | ||
1298 | /* Calculate the seconds since epoch from the time components. First count | |
1299 | the whole days passed. The value for years returned by the DOS and OS2 | |
1300 | functions count years from 1980, so to compensate for the UNIX epoch which | |
1301 | begins in 1970 start with 10 years worth of days and add days for each | |
f15731c4 | 1302 | four year period since then. */ |
1fac938e | 1303 | |
1304 | time_t tot_secs; | |
f15731c4 | 1305 | int cum_days[12] = {0, 31, 59, 90, 120, 151, 181, 212, 243, 273, 304, 334}; |
1fac938e | 1306 | int days_passed = 3652 + (file_year / 4) * 1461; |
1307 | int years_since_leap = file_year % 4; | |
1308 | ||
1309 | if (years_since_leap == 1) | |
1310 | days_passed += 366; | |
1311 | else if (years_since_leap == 2) | |
1312 | days_passed += 731; | |
1313 | else if (years_since_leap == 3) | |
1314 | days_passed += 1096; | |
1315 | ||
1316 | if (file_year > 20) | |
1317 | days_passed -= 1; | |
1318 | ||
f15731c4 | 1319 | days_passed += cum_days[file_month - 1]; |
1fac938e | 1320 | if (years_since_leap == 0 && file_year != 20 && file_month > 2) |
1321 | days_passed++; | |
1322 | ||
1323 | days_passed += file_day - 1; | |
1324 | ||
f15731c4 | 1325 | /* OK - have whole days. Multiply -- then add in other parts. */ |
1fac938e | 1326 | |
1327 | tot_secs = days_passed * 86400; | |
1328 | tot_secs += file_hour * 3600; | |
1329 | tot_secs += file_min * 60; | |
1330 | tot_secs += file_tsec * 2; | |
1bbc9831 | 1331 | return (OS_Time) tot_secs; |
1fac938e | 1332 | |
e2a33c18 | 1333 | #elif defined (_WIN32) && !defined (RTX) |
1fac938e | 1334 | HANDLE h = (HANDLE) _get_osfhandle (fd); |
1335 | time_t ret = win32_filetime (h); | |
1bbc9831 | 1336 | return (OS_Time) ret; |
1fac938e | 1337 | |
1338 | #else | |
1339 | struct stat statbuf; | |
1340 | ||
1bbc9831 | 1341 | if (fstat (fd, &statbuf) != 0) { |
1342 | return (OS_Time) -1; | |
1343 | } else { | |
1fac938e | 1344 | #ifdef VMS |
1bbc9831 | 1345 | /* VMS has file versioning. */ |
1346 | return (OS_Time) statbuf.st_ctime; | |
1fac938e | 1347 | #else |
1bbc9831 | 1348 | return (OS_Time) statbuf.st_mtime; |
1fac938e | 1349 | #endif |
1bbc9831 | 1350 | } |
1fac938e | 1351 | #endif |
1352 | } | |
1353 | ||
f15731c4 | 1354 | /* Set the file time stamp. */ |
d8dd2062 | 1355 | |
1356 | void | |
9dfe12ae | 1357 | __gnat_set_file_time_name (char *name, time_t time_stamp) |
d8dd2062 | 1358 | { |
982e2721 | 1359 | #if defined (__EMX__) || defined (MSDOS) || defined (__vxworks) |
71a3e619 | 1360 | |
f15731c4 | 1361 | /* Code to implement __gnat_set_file_time_name for these systems. */ |
71a3e619 | 1362 | |
e2a33c18 | 1363 | #elif defined (_WIN32) && !defined (RTX) |
982e2721 | 1364 | union |
1365 | { | |
1366 | FILETIME ft_time; | |
1367 | unsigned long long ull_time; | |
1368 | } t_write; | |
3b18b370 | 1369 | TCHAR wname[GNAT_MAX_PATH_LEN]; |
fabb7dc5 | 1370 | |
1e622f0e | 1371 | S2WSU (wname, name, GNAT_MAX_PATH_LEN); |
3b18b370 | 1372 | |
1373 | HANDLE h = CreateFile | |
1374 | (wname, GENERIC_WRITE, FILE_SHARE_WRITE, NULL, | |
1375 | OPEN_EXISTING, FILE_FLAG_BACKUP_SEMANTICS, | |
1376 | NULL); | |
982e2721 | 1377 | if (h == INVALID_HANDLE_VALUE) |
1378 | return; | |
1379 | /* Add number of seconds between <Jan 1st 1601> and <Jan 1st 1970> */ | |
1380 | t_write.ull_time = ((unsigned long long)time_stamp + w32_epoch_offset); | |
1381 | /* Convert to 100 nanosecond units */ | |
1382 | t_write.ull_time *= 10000000ULL; | |
1383 | ||
1384 | SetFileTime(h, NULL, NULL, &t_write.ft_time); | |
1385 | CloseHandle (h); | |
1386 | return; | |
1387 | ||
d8dd2062 | 1388 | #elif defined (VMS) |
1389 | struct FAB fab; | |
1390 | struct NAM nam; | |
1391 | ||
1392 | struct | |
1393 | { | |
1394 | unsigned long long backup, create, expire, revise; | |
8620a406 | 1395 | unsigned int uic; |
d8dd2062 | 1396 | union |
1397 | { | |
1398 | unsigned short value; | |
1399 | struct | |
1400 | { | |
1401 | unsigned system : 4; | |
1402 | unsigned owner : 4; | |
1403 | unsigned group : 4; | |
1404 | unsigned world : 4; | |
1405 | } bits; | |
1406 | } prot; | |
f15731c4 | 1407 | } Fat = { 0, 0, 0, 0, 0, { 0 }}; |
d8dd2062 | 1408 | |
f15731c4 | 1409 | ATRDEF atrlst[] |
d8dd2062 | 1410 | = { |
1411 | { ATR$S_CREDATE, ATR$C_CREDATE, &Fat.create }, | |
1412 | { ATR$S_REVDATE, ATR$C_REVDATE, &Fat.revise }, | |
1413 | { ATR$S_EXPDATE, ATR$C_EXPDATE, &Fat.expire }, | |
1414 | { ATR$S_BAKDATE, ATR$C_BAKDATE, &Fat.backup }, | |
f15731c4 | 1415 | { ATR$S_FPRO, ATR$C_FPRO, &Fat.prot }, |
d8dd2062 | 1416 | { ATR$S_UIC, ATR$C_UIC, &Fat.uic }, |
1417 | { 0, 0, 0} | |
1418 | }; | |
1419 | ||
1420 | FIBDEF fib; | |
1421 | struct dsc$descriptor_fib fibdsc = {sizeof (fib), (void *) &fib}; | |
1422 | ||
1423 | struct IOSB iosb; | |
1424 | ||
1425 | unsigned long long newtime; | |
1426 | unsigned long long revtime; | |
1427 | long status; | |
1428 | short chan; | |
1429 | ||
1430 | struct vstring file; | |
1431 | struct dsc$descriptor_s filedsc | |
1432 | = {NAM$C_MAXRSS, DSC$K_DTYPE_T, DSC$K_CLASS_S, (void *) file.string}; | |
1433 | struct vstring device; | |
1434 | struct dsc$descriptor_s devicedsc | |
1435 | = {NAM$C_MAXRSS, DSC$K_DTYPE_T, DSC$K_CLASS_S, (void *) device.string}; | |
1436 | struct vstring timev; | |
1437 | struct dsc$descriptor_s timedsc | |
1438 | = {NAM$C_MAXRSS, DSC$K_DTYPE_T, DSC$K_CLASS_S, (void *) timev.string}; | |
1439 | struct vstring result; | |
1440 | struct dsc$descriptor_s resultdsc | |
1441 | = {NAM$C_MAXRSS, DSC$K_DTYPE_VT, DSC$K_CLASS_VS, (void *) result.string}; | |
1442 | ||
3b18b370 | 1443 | /* Convert parameter name (a file spec) to host file form. Note that this |
1444 | is needed on VMS to prepare for subsequent calls to VMS RMS library | |
1445 | routines. Note that it would not work to call __gnat_to_host_dir_spec | |
1446 | as was done in a previous version, since this fails silently unless | |
1447 | the feature logical DECC$EFS_CHARSET is enabled, in which case a DNF | |
1448 | (directory not found) condition is signalled. */ | |
1449 | tryfile = (char *) __gnat_to_host_file_spec (name); | |
d8dd2062 | 1450 | |
f15731c4 | 1451 | /* Allocate and initialize a FAB and NAM structures. */ |
d8dd2062 | 1452 | fab = cc$rms_fab; |
1453 | nam = cc$rms_nam; | |
1454 | ||
1455 | nam.nam$l_esa = file.string; | |
1456 | nam.nam$b_ess = NAM$C_MAXRSS; | |
1457 | nam.nam$l_rsa = result.string; | |
1458 | nam.nam$b_rss = NAM$C_MAXRSS; | |
1459 | fab.fab$l_fna = tryfile; | |
1460 | fab.fab$b_fns = strlen (tryfile); | |
1461 | fab.fab$l_nam = &nam; | |
1462 | ||
f15731c4 | 1463 | /* Validate filespec syntax and device existence. */ |
d8dd2062 | 1464 | status = SYS$PARSE (&fab, 0, 0); |
1465 | if ((status & 1) != 1) | |
1466 | LIB$SIGNAL (status); | |
1467 | ||
f15731c4 | 1468 | file.string[nam.nam$b_esl] = 0; |
d8dd2062 | 1469 | |
f15731c4 | 1470 | /* Find matching filespec. */ |
d8dd2062 | 1471 | status = SYS$SEARCH (&fab, 0, 0); |
1472 | if ((status & 1) != 1) | |
1473 | LIB$SIGNAL (status); | |
1474 | ||
f15731c4 | 1475 | file.string[nam.nam$b_esl] = 0; |
1476 | result.string[result.length=nam.nam$b_rsl] = 0; | |
d8dd2062 | 1477 | |
f15731c4 | 1478 | /* Get the device name and assign an IO channel. */ |
d8dd2062 | 1479 | strncpy (device.string, nam.nam$l_dev, nam.nam$b_dev); |
1480 | devicedsc.dsc$w_length = nam.nam$b_dev; | |
1481 | chan = 0; | |
1482 | status = SYS$ASSIGN (&devicedsc, &chan, 0, 0, 0); | |
1483 | if ((status & 1) != 1) | |
1484 | LIB$SIGNAL (status); | |
1485 | ||
f15731c4 | 1486 | /* Initialize the FIB and fill in the directory id field. */ |
1487 | memset (&fib, 0, sizeof (fib)); | |
1488 | fib.fib$w_did[0] = nam.nam$w_did[0]; | |
1489 | fib.fib$w_did[1] = nam.nam$w_did[1]; | |
1490 | fib.fib$w_did[2] = nam.nam$w_did[2]; | |
d8dd2062 | 1491 | fib.fib$l_acctl = 0; |
1492 | fib.fib$l_wcc = 0; | |
1493 | strcpy (file.string, (strrchr (result.string, ']') + 1)); | |
1494 | filedsc.dsc$w_length = strlen (file.string); | |
f15731c4 | 1495 | result.string[result.length = 0] = 0; |
d8dd2062 | 1496 | |
1497 | /* Open and close the file to fill in the attributes. */ | |
1498 | status | |
1499 | = SYS$QIOW (0, chan, IO$_ACCESS|IO$M_ACCESS, &iosb, 0, 0, | |
1500 | &fibdsc, &filedsc, &result.length, &resultdsc, &atrlst, 0); | |
1501 | if ((status & 1) != 1) | |
1502 | LIB$SIGNAL (status); | |
1503 | if ((iosb.status & 1) != 1) | |
1504 | LIB$SIGNAL (iosb.status); | |
1505 | ||
f15731c4 | 1506 | result.string[result.length] = 0; |
1507 | status = SYS$QIOW (0, chan, IO$_DEACCESS, &iosb, 0, 0, &fibdsc, 0, 0, 0, | |
1508 | &atrlst, 0); | |
d8dd2062 | 1509 | if ((status & 1) != 1) |
1510 | LIB$SIGNAL (status); | |
1511 | if ((iosb.status & 1) != 1) | |
1512 | LIB$SIGNAL (iosb.status); | |
1513 | ||
d8dd2062 | 1514 | { |
1515 | time_t t; | |
f15731c4 | 1516 | |
1517 | /* Set creation time to requested time. */ | |
9dfe12ae | 1518 | unix_time_to_vms (time_stamp, newtime); |
f15731c4 | 1519 | |
d8dd2062 | 1520 | t = time ((time_t) 0); |
d8dd2062 | 1521 | |
f15731c4 | 1522 | /* Set revision time to now in local time. */ |
9dfe12ae | 1523 | unix_time_to_vms (t, revtime); |
d8dd2062 | 1524 | } |
1525 | ||
f15731c4 | 1526 | /* Reopen the file, modify the times and then close. */ |
d8dd2062 | 1527 | fib.fib$l_acctl = FIB$M_WRITE; |
1528 | status | |
1529 | = SYS$QIOW (0, chan, IO$_ACCESS|IO$M_ACCESS, &iosb, 0, 0, | |
1530 | &fibdsc, &filedsc, &result.length, &resultdsc, &atrlst, 0); | |
1531 | if ((status & 1) != 1) | |
1532 | LIB$SIGNAL (status); | |
1533 | if ((iosb.status & 1) != 1) | |
1534 | LIB$SIGNAL (iosb.status); | |
1535 | ||
1536 | Fat.create = newtime; | |
1537 | Fat.revise = revtime; | |
1538 | ||
1539 | status = SYS$QIOW (0, chan, IO$_DEACCESS, &iosb, 0, 0, | |
1540 | &fibdsc, 0, 0, 0, &atrlst, 0); | |
1541 | if ((status & 1) != 1) | |
1542 | LIB$SIGNAL (status); | |
1543 | if ((iosb.status & 1) != 1) | |
1544 | LIB$SIGNAL (iosb.status); | |
1545 | ||
f15731c4 | 1546 | /* Deassign the channel and exit. */ |
d8dd2062 | 1547 | status = SYS$DASSGN (chan); |
1548 | if ((status & 1) != 1) | |
1549 | LIB$SIGNAL (status); | |
1550 | #else | |
1551 | struct utimbuf utimbuf; | |
1552 | time_t t; | |
1553 | ||
f15731c4 | 1554 | /* Set modification time to requested time. */ |
d8dd2062 | 1555 | utimbuf.modtime = time_stamp; |
1556 | ||
f15731c4 | 1557 | /* Set access time to now in local time. */ |
d8dd2062 | 1558 | t = time ((time_t) 0); |
1559 | utimbuf.actime = mktime (localtime (&t)); | |
1560 | ||
1561 | utime (name, &utimbuf); | |
1562 | #endif | |
1563 | } | |
1564 | ||
1fac938e | 1565 | /* Get the list of installed standard libraries from the |
1566 | HKEY_LOCAL_MACHINE\SOFTWARE\Ada Core Technologies\GNAT\Standard Libraries | |
1567 | key. */ | |
1568 | ||
1569 | char * | |
6f2c2693 | 1570 | __gnat_get_libraries_from_registry (void) |
1fac938e | 1571 | { |
1572 | char *result = (char *) ""; | |
1573 | ||
e2a33c18 | 1574 | #if defined (_WIN32) && ! defined (__vxworks) && ! defined (CROSS_DIRECTORY_STRUCTURE) && ! defined (RTX) |
1fac938e | 1575 | |
1576 | HKEY reg_key; | |
1577 | DWORD name_size, value_size; | |
1578 | char name[256]; | |
1579 | char value[256]; | |
1580 | DWORD type; | |
1581 | DWORD index; | |
1582 | LONG res; | |
1583 | ||
1584 | /* First open the key. */ | |
1585 | res = RegOpenKeyExA (HKEY_LOCAL_MACHINE, "SOFTWARE", 0, KEY_READ, ®_key); | |
1586 | ||
1587 | if (res == ERROR_SUCCESS) | |
1588 | res = RegOpenKeyExA (reg_key, "Ada Core Technologies", 0, | |
1589 | KEY_READ, ®_key); | |
1590 | ||
1591 | if (res == ERROR_SUCCESS) | |
1592 | res = RegOpenKeyExA (reg_key, "GNAT", 0, KEY_READ, ®_key); | |
1593 | ||
1594 | if (res == ERROR_SUCCESS) | |
1595 | res = RegOpenKeyExA (reg_key, "Standard Libraries", 0, KEY_READ, ®_key); | |
1596 | ||
1597 | /* If the key exists, read out all the values in it and concatenate them | |
1598 | into a path. */ | |
1599 | for (index = 0; res == ERROR_SUCCESS; index++) | |
1600 | { | |
1601 | value_size = name_size = 256; | |
e2c62f37 | 1602 | res = RegEnumValueA (reg_key, index, (TCHAR*)name, &name_size, 0, |
1603 | &type, (LPBYTE)value, &value_size); | |
1fac938e | 1604 | |
1605 | if (res == ERROR_SUCCESS && type == REG_SZ) | |
1606 | { | |
1607 | char *old_result = result; | |
1608 | ||
1609 | result = (char *) xmalloc (strlen (old_result) + value_size + 2); | |
1610 | strcpy (result, old_result); | |
1611 | strcat (result, value); | |
1612 | strcat (result, ";"); | |
1613 | } | |
1614 | } | |
1615 | ||
1616 | /* Remove the trailing ";". */ | |
1617 | if (result[0] != 0) | |
1618 | result[strlen (result) - 1] = 0; | |
1619 | ||
1620 | #endif | |
1621 | return result; | |
1622 | } | |
1623 | ||
1624 | int | |
9dfe12ae | 1625 | __gnat_stat (char *name, struct stat *statbuf) |
1fac938e | 1626 | { |
3b18b370 | 1627 | #ifdef __MINGW32__ |
1fac938e | 1628 | /* Under Windows the directory name for the stat function must not be |
1629 | terminated by a directory separator except if just after a drive name. */ | |
3b18b370 | 1630 | TCHAR wname [GNAT_MAX_PATH_LEN + 2]; |
1631 | int name_len; | |
1632 | TCHAR last_char; | |
1633 | ||
1e622f0e | 1634 | S2WSU (wname, name, GNAT_MAX_PATH_LEN + 2); |
3b18b370 | 1635 | name_len = _tcslen (wname); |
e7b2d6bc | 1636 | |
1637 | if (name_len > GNAT_MAX_PATH_LEN) | |
1638 | return -1; | |
1fac938e | 1639 | |
3b18b370 | 1640 | last_char = wname[name_len - 1]; |
1fac938e | 1641 | |
3b18b370 | 1642 | while (name_len > 1 && (last_char == _T('\\') || last_char == _T('/'))) |
1fac938e | 1643 | { |
3b18b370 | 1644 | wname[name_len - 1] = _T('\0'); |
1fac938e | 1645 | name_len--; |
3b18b370 | 1646 | last_char = wname[name_len - 1]; |
1fac938e | 1647 | } |
1648 | ||
3b18b370 | 1649 | /* Only a drive letter followed by ':', we must add a directory separator |
1650 | for the stat routine to work properly. */ | |
1651 | if (name_len == 2 && wname[1] == _T(':')) | |
1652 | _tcscat (wname, _T("\\")); | |
1fac938e | 1653 | |
3b18b370 | 1654 | return _tstat (wname, statbuf); |
1fac938e | 1655 | |
1656 | #else | |
1657 | return stat (name, statbuf); | |
1658 | #endif | |
1659 | } | |
1660 | ||
1661 | int | |
9dfe12ae | 1662 | __gnat_file_exists (char *name) |
1fac938e | 1663 | { |
8e726ab4 | 1664 | #ifdef __MINGW32__ |
1aa4b9ce | 1665 | /* On Windows do not use __gnat_stat() because a bug in Microsoft |
1666 | _stat() routine. When the system time-zone is set with a negative | |
1667 | offset the _stat() routine fails on specific files like CON: */ | |
1668 | TCHAR wname [GNAT_MAX_PATH_LEN + 2]; | |
1669 | ||
1670 | S2WSU (wname, name, GNAT_MAX_PATH_LEN + 2); | |
1671 | return GetFileAttributes (wname) != INVALID_FILE_ATTRIBUTES; | |
1672 | #else | |
1fac938e | 1673 | struct stat statbuf; |
1674 | ||
1675 | return !__gnat_stat (name, &statbuf); | |
1aa4b9ce | 1676 | #endif |
1fac938e | 1677 | } |
1678 | ||
9dfe12ae | 1679 | int |
4a3f445c | 1680 | __gnat_is_absolute_path (char *name, int length) |
1fac938e | 1681 | { |
8620a406 | 1682 | #ifdef __vxworks |
1683 | /* On VxWorks systems, an absolute path can be represented (depending on | |
1684 | the host platform) as either /dir/file, or device:/dir/file, or | |
1685 | device:drive_letter:/dir/file. */ | |
1686 | ||
1687 | int index; | |
1688 | ||
1689 | if (name[0] == '/') | |
1690 | return 1; | |
1691 | ||
1692 | for (index = 0; index < length; index++) | |
1693 | { | |
1694 | if (name[index] == ':' && | |
1695 | ((name[index + 1] == '/') || | |
1696 | (isalpha (name[index + 1]) && index + 2 <= length && | |
1697 | name[index + 2] == '/'))) | |
1698 | return 1; | |
1699 | ||
1700 | else if (name[index] == '/') | |
1701 | return 0; | |
1702 | } | |
1703 | return 0; | |
1704 | #else | |
4a3f445c | 1705 | return (length != 0) && |
1706 | (*name == '/' || *name == DIR_SEPARATOR | |
f15731c4 | 1707 | #if defined (__EMX__) || defined (MSDOS) || defined (WINNT) |
a4f295eb | 1708 | || (length > 1 && ISALPHA (name[0]) && name[1] == ':') |
1fac938e | 1709 | #endif |
1710 | ); | |
8620a406 | 1711 | #endif |
1fac938e | 1712 | } |
1713 | ||
1714 | int | |
9dfe12ae | 1715 | __gnat_is_regular_file (char *name) |
1fac938e | 1716 | { |
1717 | int ret; | |
1718 | struct stat statbuf; | |
1719 | ||
1720 | ret = __gnat_stat (name, &statbuf); | |
1721 | return (!ret && S_ISREG (statbuf.st_mode)); | |
1722 | } | |
1723 | ||
1724 | int | |
9dfe12ae | 1725 | __gnat_is_directory (char *name) |
1fac938e | 1726 | { |
1727 | int ret; | |
1728 | struct stat statbuf; | |
1729 | ||
1730 | ret = __gnat_stat (name, &statbuf); | |
1731 | return (!ret && S_ISDIR (statbuf.st_mode)); | |
1732 | } | |
1733 | ||
7db1ef17 | 1734 | #if defined (_WIN32) && !defined (RTX) |
1735 | /* This MingW section contains code to work with ACL. */ | |
1736 | static int | |
1737 | __gnat_check_OWNER_ACL | |
3855c659 | 1738 | (TCHAR *wname, |
7db1ef17 | 1739 | DWORD CheckAccessDesired, |
1740 | GENERIC_MAPPING CheckGenericMapping) | |
1741 | { | |
7db1ef17 | 1742 | DWORD dwAccessDesired, dwAccessAllowed; |
1743 | PRIVILEGE_SET PrivilegeSet; | |
1744 | DWORD dwPrivSetSize = sizeof (PRIVILEGE_SET); | |
1745 | BOOL fAccessGranted = FALSE; | |
1746 | HANDLE hToken; | |
1747 | DWORD nLength; | |
1748 | SECURITY_DESCRIPTOR* pSD = NULL; | |
1749 | ||
7db1ef17 | 1750 | GetFileSecurity |
1751 | (wname, OWNER_SECURITY_INFORMATION | | |
1752 | GROUP_SECURITY_INFORMATION | DACL_SECURITY_INFORMATION, | |
1753 | NULL, 0, &nLength); | |
1754 | ||
1755 | if ((pSD = (PSECURITY_DESCRIPTOR) HeapAlloc | |
1756 | (GetProcessHeap (), HEAP_ZERO_MEMORY, nLength)) == NULL) | |
1757 | return 0; | |
1758 | ||
1759 | /* Obtain the security descriptor. */ | |
1760 | ||
1761 | if (!GetFileSecurity | |
1762 | (wname, OWNER_SECURITY_INFORMATION | | |
1763 | GROUP_SECURITY_INFORMATION | DACL_SECURITY_INFORMATION, | |
1764 | pSD, nLength, &nLength)) | |
1765 | return 0; | |
1766 | ||
1767 | if (!ImpersonateSelf (SecurityImpersonation)) | |
1768 | return 0; | |
1769 | ||
1770 | if (!OpenThreadToken | |
1771 | (GetCurrentThread(), TOKEN_DUPLICATE | TOKEN_QUERY, FALSE, &hToken)) | |
1772 | return 0; | |
1773 | ||
1774 | /* Undoes the effect of ImpersonateSelf. */ | |
1775 | ||
1776 | RevertToSelf (); | |
1777 | ||
1778 | /* We want to test for write permissions. */ | |
1779 | ||
1780 | dwAccessDesired = CheckAccessDesired; | |
1781 | ||
1782 | MapGenericMask (&dwAccessDesired, &CheckGenericMapping); | |
1783 | ||
1784 | if (!AccessCheck | |
1785 | (pSD , /* security descriptor to check */ | |
1786 | hToken, /* impersonation token */ | |
1787 | dwAccessDesired, /* requested access rights */ | |
1788 | &CheckGenericMapping, /* pointer to GENERIC_MAPPING */ | |
1789 | &PrivilegeSet, /* receives privileges used in check */ | |
1790 | &dwPrivSetSize, /* size of PrivilegeSet buffer */ | |
1791 | &dwAccessAllowed, /* receives mask of allowed access rights */ | |
1792 | &fAccessGranted)) | |
1793 | return 0; | |
1794 | ||
1795 | return fAccessGranted; | |
1796 | } | |
1797 | ||
1798 | static void | |
1799 | __gnat_set_OWNER_ACL | |
3855c659 | 1800 | (TCHAR *wname, |
7db1ef17 | 1801 | DWORD AccessMode, |
1802 | DWORD AccessPermissions) | |
1803 | { | |
1804 | ACL* pOldDACL = NULL; | |
1805 | ACL* pNewDACL = NULL; | |
1806 | SECURITY_DESCRIPTOR* pSD = NULL; | |
1807 | EXPLICIT_ACCESS ea; | |
1808 | TCHAR username [100]; | |
1809 | DWORD unsize = 100; | |
1810 | ||
7db1ef17 | 1811 | /* Get current user, he will act as the owner */ |
1812 | ||
1813 | if (!GetUserName (username, &unsize)) | |
1814 | return; | |
1815 | ||
0b3929a6 | 1816 | if (GetNamedSecurityInfo |
1817 | (wname, | |
7db1ef17 | 1818 | SE_FILE_OBJECT, |
1819 | DACL_SECURITY_INFORMATION, | |
1820 | NULL, NULL, &pOldDACL, NULL, &pSD) != ERROR_SUCCESS) | |
1821 | return; | |
1822 | ||
0b3929a6 | 1823 | BuildExplicitAccessWithName |
1824 | (&ea, username, AccessPermissions, AccessMode, NO_INHERITANCE); | |
7db1ef17 | 1825 | |
1826 | if (AccessMode == SET_ACCESS) | |
1827 | { | |
1828 | /* SET_ACCESS, we want to set an explicte set of permissions, do not | |
1829 | merge with current DACL. */ | |
1830 | if (SetEntriesInAcl (1, &ea, NULL, &pNewDACL) != ERROR_SUCCESS) | |
1831 | return; | |
1832 | } | |
1833 | else | |
1834 | if (SetEntriesInAcl (1, &ea, pOldDACL, &pNewDACL) != ERROR_SUCCESS) | |
1835 | return; | |
1836 | ||
0b3929a6 | 1837 | if (SetNamedSecurityInfo |
1838 | (wname, SE_FILE_OBJECT, | |
7db1ef17 | 1839 | DACL_SECURITY_INFORMATION, NULL, NULL, pNewDACL, NULL) != ERROR_SUCCESS) |
1840 | return; | |
1841 | ||
1842 | LocalFree (pSD); | |
1843 | LocalFree (pNewDACL); | |
7db1ef17 | 1844 | } |
1845 | #endif /* defined (_WIN32) && !defined (RTX) */ | |
1846 | ||
1fac938e | 1847 | int |
9dfe12ae | 1848 | __gnat_is_readable_file (char *name) |
1849 | { | |
7db1ef17 | 1850 | #if defined (_WIN32) && !defined (RTX) |
3855c659 | 1851 | TCHAR wname [GNAT_MAX_PATH_LEN + 2]; |
7db1ef17 | 1852 | GENERIC_MAPPING GenericMapping; |
3855c659 | 1853 | |
1854 | S2WSU (wname, name, GNAT_MAX_PATH_LEN + 2); | |
1855 | ||
7db1ef17 | 1856 | ZeroMemory (&GenericMapping, sizeof (GENERIC_MAPPING)); |
1857 | GenericMapping.GenericRead = GENERIC_READ; | |
1858 | ||
3855c659 | 1859 | return __gnat_check_OWNER_ACL (wname, FILE_READ_DATA, GenericMapping); |
7db1ef17 | 1860 | #else |
9dfe12ae | 1861 | int ret; |
1862 | int mode; | |
1863 | struct stat statbuf; | |
1864 | ||
0e9e8338 | 1865 | ret = stat (name, &statbuf); |
9dfe12ae | 1866 | mode = statbuf.st_mode & S_IRUSR; |
1867 | return (!ret && mode); | |
7db1ef17 | 1868 | #endif |
9dfe12ae | 1869 | } |
1870 | ||
1871 | int | |
1872 | __gnat_is_writable_file (char *name) | |
1fac938e | 1873 | { |
7db1ef17 | 1874 | #if defined (_WIN32) && !defined (RTX) |
3855c659 | 1875 | TCHAR wname [GNAT_MAX_PATH_LEN + 2]; |
7db1ef17 | 1876 | GENERIC_MAPPING GenericMapping; |
3855c659 | 1877 | |
1878 | S2WSU (wname, name, GNAT_MAX_PATH_LEN + 2); | |
1879 | ||
7db1ef17 | 1880 | ZeroMemory (&GenericMapping, sizeof (GENERIC_MAPPING)); |
1881 | GenericMapping.GenericWrite = GENERIC_WRITE; | |
1882 | ||
1883 | return __gnat_check_OWNER_ACL | |
3855c659 | 1884 | (wname, FILE_WRITE_DATA | FILE_APPEND_DATA, GenericMapping) |
1885 | && !(GetFileAttributes (wname) & FILE_ATTRIBUTE_READONLY); | |
7db1ef17 | 1886 | #else |
1fac938e | 1887 | int ret; |
1888 | int mode; | |
1889 | struct stat statbuf; | |
1890 | ||
0e9e8338 | 1891 | ret = stat (name, &statbuf); |
1fac938e | 1892 | mode = statbuf.st_mode & S_IWUSR; |
1893 | return (!ret && mode); | |
7db1ef17 | 1894 | #endif |
1895 | } | |
1896 | ||
1897 | int | |
1898 | __gnat_is_executable_file (char *name) | |
1899 | { | |
1900 | #if defined (_WIN32) && !defined (RTX) | |
3855c659 | 1901 | TCHAR wname [GNAT_MAX_PATH_LEN + 2]; |
7db1ef17 | 1902 | GENERIC_MAPPING GenericMapping; |
3855c659 | 1903 | |
1904 | S2WSU (wname, name, GNAT_MAX_PATH_LEN + 2); | |
1905 | ||
7db1ef17 | 1906 | ZeroMemory (&GenericMapping, sizeof (GENERIC_MAPPING)); |
1907 | GenericMapping.GenericExecute = GENERIC_EXECUTE; | |
1908 | ||
3855c659 | 1909 | return __gnat_check_OWNER_ACL (wname, FILE_EXECUTE, GenericMapping); |
7db1ef17 | 1910 | #else |
1911 | int ret; | |
1912 | int mode; | |
1913 | struct stat statbuf; | |
1914 | ||
0e9e8338 | 1915 | ret = stat (name, &statbuf); |
7db1ef17 | 1916 | mode = statbuf.st_mode & S_IXUSR; |
1917 | return (!ret && mode); | |
1918 | #endif | |
1fac938e | 1919 | } |
1920 | ||
9dfe12ae | 1921 | void |
1922 | __gnat_set_writable (char *name) | |
1923 | { | |
7db1ef17 | 1924 | #if defined (_WIN32) && !defined (RTX) |
3855c659 | 1925 | TCHAR wname [GNAT_MAX_PATH_LEN + 2]; |
1926 | ||
1927 | S2WSU (wname, name, GNAT_MAX_PATH_LEN + 2); | |
1928 | ||
0b3929a6 | 1929 | __gnat_set_OWNER_ACL (wname, GRANT_ACCESS, FILE_GENERIC_WRITE); |
3855c659 | 1930 | SetFileAttributes |
1931 | (wname, GetFileAttributes (wname) & ~FILE_ATTRIBUTE_READONLY); | |
7db1ef17 | 1932 | #elif ! defined (__vxworks) && ! defined(__nucleus__) |
9dfe12ae | 1933 | struct stat statbuf; |
1934 | ||
1935 | if (stat (name, &statbuf) == 0) | |
0e9e8338 | 1936 | { |
1937 | statbuf.st_mode = statbuf.st_mode | S_IWUSR; | |
1938 | chmod (name, statbuf.st_mode); | |
1939 | } | |
9dfe12ae | 1940 | #endif |
1941 | } | |
1942 | ||
5329ca64 | 1943 | void |
1944 | __gnat_set_executable (char *name) | |
1945 | { | |
7db1ef17 | 1946 | #if defined (_WIN32) && !defined (RTX) |
3855c659 | 1947 | TCHAR wname [GNAT_MAX_PATH_LEN + 2]; |
1948 | ||
1949 | S2WSU (wname, name, GNAT_MAX_PATH_LEN + 2); | |
1950 | ||
0b3929a6 | 1951 | __gnat_set_OWNER_ACL (wname, GRANT_ACCESS, FILE_GENERIC_EXECUTE); |
7db1ef17 | 1952 | #elif ! defined (__vxworks) && ! defined(__nucleus__) |
5329ca64 | 1953 | struct stat statbuf; |
1954 | ||
1955 | if (stat (name, &statbuf) == 0) | |
0e9e8338 | 1956 | { |
1957 | statbuf.st_mode = statbuf.st_mode | S_IXUSR; | |
1958 | chmod (name, statbuf.st_mode); | |
1959 | } | |
5329ca64 | 1960 | #endif |
1961 | } | |
1962 | ||
9dfe12ae | 1963 | void |
2ab009c7 | 1964 | __gnat_set_non_writable (char *name) |
9dfe12ae | 1965 | { |
7db1ef17 | 1966 | #if defined (_WIN32) && !defined (RTX) |
3855c659 | 1967 | TCHAR wname [GNAT_MAX_PATH_LEN + 2]; |
1968 | ||
1969 | S2WSU (wname, name, GNAT_MAX_PATH_LEN + 2); | |
1970 | ||
b23dd297 | 1971 | __gnat_set_OWNER_ACL |
1972 | (wname, DENY_ACCESS, | |
1973 | FILE_WRITE_DATA | FILE_APPEND_DATA | | |
64d569f5 | 1974 | FILE_WRITE_EA | FILE_WRITE_ATTRIBUTES); |
3855c659 | 1975 | SetFileAttributes |
1976 | (wname, GetFileAttributes (wname) | FILE_ATTRIBUTE_READONLY); | |
7db1ef17 | 1977 | #elif ! defined (__vxworks) && ! defined(__nucleus__) |
9dfe12ae | 1978 | struct stat statbuf; |
1979 | ||
1980 | if (stat (name, &statbuf) == 0) | |
0b3929a6 | 1981 | { |
1982 | statbuf.st_mode = statbuf.st_mode & 07577; | |
1983 | chmod (name, statbuf.st_mode); | |
1984 | } | |
1985 | #endif | |
1986 | } | |
1987 | ||
1988 | void | |
1989 | __gnat_set_readable (char *name) | |
1990 | { | |
1991 | #if defined (_WIN32) && !defined (RTX) | |
1992 | TCHAR wname [GNAT_MAX_PATH_LEN + 2]; | |
1993 | ||
1994 | S2WSU (wname, name, GNAT_MAX_PATH_LEN + 2); | |
1995 | ||
1996 | __gnat_set_OWNER_ACL (wname, GRANT_ACCESS, FILE_GENERIC_READ); | |
e31ad175 | 1997 | #elif ! defined (__vxworks) && ! defined(__nucleus__) |
0b3929a6 | 1998 | struct stat statbuf; |
1999 | ||
2000 | if (stat (name, &statbuf) == 0) | |
2001 | { | |
2002 | chmod (name, statbuf.st_mode | S_IREAD); | |
2003 | } | |
2004 | #endif | |
2005 | } | |
2006 | ||
2007 | void | |
2008 | __gnat_set_non_readable (char *name) | |
2009 | { | |
2010 | #if defined (_WIN32) && !defined (RTX) | |
2011 | TCHAR wname [GNAT_MAX_PATH_LEN + 2]; | |
2012 | ||
2013 | S2WSU (wname, name, GNAT_MAX_PATH_LEN + 2); | |
2014 | ||
2015 | __gnat_set_OWNER_ACL (wname, DENY_ACCESS, FILE_GENERIC_READ); | |
e31ad175 | 2016 | #elif ! defined (__vxworks) && ! defined(__nucleus__) |
0b3929a6 | 2017 | struct stat statbuf; |
2018 | ||
2019 | if (stat (name, &statbuf) == 0) | |
2020 | { | |
2021 | chmod (name, statbuf.st_mode & (~S_IREAD)); | |
2022 | } | |
9dfe12ae | 2023 | #endif |
2024 | } | |
2025 | ||
2026 | int | |
f0a28ccb | 2027 | __gnat_is_symbolic_link (char *name ATTRIBUTE_UNUSED) |
9dfe12ae | 2028 | { |
5091bc2f | 2029 | #if defined (__vxworks) || defined (__nucleus__) |
9dfe12ae | 2030 | return 0; |
2031 | ||
8e761191 | 2032 | #elif defined (_AIX) || defined (__APPLE__) || defined (__unix__) |
9dfe12ae | 2033 | int ret; |
2034 | struct stat statbuf; | |
2035 | ||
2036 | ret = lstat (name, &statbuf); | |
2037 | return (!ret && S_ISLNK (statbuf.st_mode)); | |
2038 | ||
2039 | #else | |
2040 | return 0; | |
2041 | #endif | |
2042 | } | |
2043 | ||
1fac938e | 2044 | #if defined (sun) && defined (__SVR4) |
2045 | /* Using fork on Solaris will duplicate all the threads. fork1, which | |
2046 | duplicates only the active thread, must be used instead, or spawning | |
2047 | subprocess from a program with tasking will lead into numerous problems. */ | |
2048 | #define fork fork1 | |
2049 | #endif | |
2050 | ||
2051 | int | |
9dfe12ae | 2052 | __gnat_portable_spawn (char *args[]) |
1fac938e | 2053 | { |
2054 | int status = 0; | |
f0a28ccb | 2055 | int finished ATTRIBUTE_UNUSED; |
2056 | int pid ATTRIBUTE_UNUSED; | |
1fac938e | 2057 | |
e2a33c18 | 2058 | #if defined (__vxworks) || defined(__nucleus__) || defined(RTX) |
2059 | return -1; | |
2060 | ||
2061 | #elif defined (MSDOS) || defined (_WIN32) | |
f270dc82 | 2062 | /* args[0] must be quotes as it could contain a full pathname with spaces */ |
38750fcd | 2063 | char *args_0 = args[0]; |
f270dc82 | 2064 | args[0] = (char *)xmalloc (strlen (args_0) + 3); |
2065 | strcpy (args[0], "\""); | |
2066 | strcat (args[0], args_0); | |
2067 | strcat (args[0], "\""); | |
2068 | ||
0b9eca83 | 2069 | status = spawnvp (P_WAIT, args_0, (const char* const*)args); |
f270dc82 | 2070 | |
2071 | /* restore previous value */ | |
2072 | free (args[0]); | |
8e761191 | 2073 | args[0] = (char *)args_0; |
f270dc82 | 2074 | |
1fac938e | 2075 | if (status < 0) |
f15731c4 | 2076 | return -1; |
1fac938e | 2077 | else |
2078 | return status; | |
2079 | ||
1fac938e | 2080 | #else |
2081 | ||
2082 | #ifdef __EMX__ | |
f15731c4 | 2083 | pid = spawnvp (P_NOWAIT, args[0], args); |
1fac938e | 2084 | if (pid == -1) |
f15731c4 | 2085 | return -1; |
2086 | ||
1fac938e | 2087 | #else |
2088 | pid = fork (); | |
f15731c4 | 2089 | if (pid < 0) |
2090 | return -1; | |
1fac938e | 2091 | |
f15731c4 | 2092 | if (pid == 0) |
2093 | { | |
2094 | /* The child. */ | |
6d9c3443 | 2095 | if (execv (args[0], MAYBE_TO_PTR32 (args)) != 0) |
f15731c4 | 2096 | #if defined (VMS) |
2097 | return -1; /* execv is in parent context on VMS. */ | |
2098 | #else | |
2099 | _exit (1); | |
2100 | #endif | |
2101 | } | |
1fac938e | 2102 | #endif |
2103 | ||
f15731c4 | 2104 | /* The parent. */ |
1fac938e | 2105 | finished = waitpid (pid, &status, 0); |
2106 | ||
2107 | if (finished != pid || WIFEXITED (status) == 0) | |
f15731c4 | 2108 | return -1; |
1fac938e | 2109 | |
2110 | return WEXITSTATUS (status); | |
2111 | #endif | |
f15731c4 | 2112 | |
1fac938e | 2113 | return 0; |
2114 | } | |
2115 | ||
8e761191 | 2116 | /* Create a copy of the given file descriptor. |
2117 | Return -1 if an error occurred. */ | |
2118 | ||
2119 | int | |
2120 | __gnat_dup (int oldfd) | |
2121 | { | |
8ffbc401 | 2122 | #if defined (__vxworks) && !defined (__RTP__) |
2123 | /* Not supported on VxWorks 5.x, but supported on VxWorks 6.0 when using | |
2124 | RTPs. */ | |
2125 | return -1; | |
8e761191 | 2126 | #else |
8ffbc401 | 2127 | return dup (oldfd); |
8e761191 | 2128 | #endif |
2129 | } | |
2130 | ||
2131 | /* Make newfd be the copy of oldfd, closing newfd first if necessary. | |
5e947a95 | 2132 | Return -1 if an error occurred. */ |
8e761191 | 2133 | |
2134 | int | |
2135 | __gnat_dup2 (int oldfd, int newfd) | |
2136 | { | |
8ffbc401 | 2137 | #if defined (__vxworks) && !defined (__RTP__) |
2138 | /* Not supported on VxWorks 5.x, but supported on VxWorks 6.0 when using | |
2139 | RTPs. */ | |
8e761191 | 2140 | return -1; |
2141 | #else | |
2142 | return dup2 (oldfd, newfd); | |
2143 | #endif | |
2144 | } | |
2145 | ||
f15731c4 | 2146 | /* WIN32 code to implement a wait call that wait for any child process. */ |
2147 | ||
e2a33c18 | 2148 | #if defined (_WIN32) && !defined (RTX) |
1fac938e | 2149 | |
2150 | /* Synchronization code, to be thread safe. */ | |
2151 | ||
51fa65dc | 2152 | #ifdef CERT |
1fac938e | 2153 | |
51fa65dc | 2154 | /* For the Cert run times on native Windows we use dummy functions |
2155 | for locking and unlocking tasks since we do not support multiple | |
2156 | threads on this configuration (Cert run time on native Windows). */ | |
1fac938e | 2157 | |
51fa65dc | 2158 | void dummy (void) {} |
1fac938e | 2159 | |
51fa65dc | 2160 | void (*Lock_Task) () = &dummy; |
2161 | void (*Unlock_Task) () = &dummy; | |
2162 | ||
2163 | #else | |
2164 | ||
2165 | #define Lock_Task system__soft_links__lock_task | |
2166 | extern void (*Lock_Task) (void); | |
2167 | ||
2168 | #define Unlock_Task system__soft_links__unlock_task | |
2169 | extern void (*Unlock_Task) (void); | |
2170 | ||
2171 | #endif | |
1fac938e | 2172 | |
2173 | typedef struct _process_list | |
2174 | { | |
2175 | HANDLE h; | |
2176 | struct _process_list *next; | |
2177 | } Process_List; | |
2178 | ||
2179 | static Process_List *PLIST = NULL; | |
2180 | ||
2181 | static int plist_length = 0; | |
2182 | ||
2183 | static void | |
9dfe12ae | 2184 | add_handle (HANDLE h) |
1fac938e | 2185 | { |
2186 | Process_List *pl; | |
2187 | ||
2188 | pl = (Process_List *) xmalloc (sizeof (Process_List)); | |
2189 | ||
1fac938e | 2190 | /* -------------------- critical section -------------------- */ |
51fa65dc | 2191 | (*Lock_Task) (); |
2192 | ||
1fac938e | 2193 | pl->h = h; |
2194 | pl->next = PLIST; | |
2195 | PLIST = pl; | |
2196 | ++plist_length; | |
1fac938e | 2197 | |
51fa65dc | 2198 | (*Unlock_Task) (); |
2199 | /* -------------------- critical section -------------------- */ | |
1fac938e | 2200 | } |
2201 | ||
f0a28ccb | 2202 | static void |
2203 | remove_handle (HANDLE h) | |
1fac938e | 2204 | { |
f0a28ccb | 2205 | Process_List *pl; |
2206 | Process_List *prev = NULL; | |
1fac938e | 2207 | |
1fac938e | 2208 | /* -------------------- critical section -------------------- */ |
51fa65dc | 2209 | (*Lock_Task) (); |
2210 | ||
1fac938e | 2211 | pl = PLIST; |
2212 | while (pl) | |
2213 | { | |
2214 | if (pl->h == h) | |
2215 | { | |
2216 | if (pl == PLIST) | |
2217 | PLIST = pl->next; | |
2218 | else | |
2219 | prev->next = pl->next; | |
2220 | free (pl); | |
2221 | break; | |
2222 | } | |
2223 | else | |
2224 | { | |
2225 | prev = pl; | |
2226 | pl = pl->next; | |
2227 | } | |
2228 | } | |
2229 | ||
2230 | --plist_length; | |
1fac938e | 2231 | |
51fa65dc | 2232 | (*Unlock_Task) (); |
2233 | /* -------------------- critical section -------------------- */ | |
1fac938e | 2234 | } |
2235 | ||
2236 | static int | |
9dfe12ae | 2237 | win32_no_block_spawn (char *command, char *args[]) |
1fac938e | 2238 | { |
2239 | BOOL result; | |
2240 | STARTUPINFO SI; | |
2241 | PROCESS_INFORMATION PI; | |
2242 | SECURITY_ATTRIBUTES SA; | |
f15731c4 | 2243 | int csize = 1; |
2244 | char *full_command; | |
1fac938e | 2245 | int k; |
2246 | ||
f15731c4 | 2247 | /* compute the total command line length */ |
2248 | k = 0; | |
2249 | while (args[k]) | |
2250 | { | |
2251 | csize += strlen (args[k]) + 1; | |
2252 | k++; | |
2253 | } | |
2254 | ||
2255 | full_command = (char *) xmalloc (csize); | |
2256 | ||
1fac938e | 2257 | /* Startup info. */ |
2258 | SI.cb = sizeof (STARTUPINFO); | |
2259 | SI.lpReserved = NULL; | |
2260 | SI.lpReserved2 = NULL; | |
2261 | SI.lpDesktop = NULL; | |
2262 | SI.cbReserved2 = 0; | |
2263 | SI.lpTitle = NULL; | |
2264 | SI.dwFlags = 0; | |
2265 | SI.wShowWindow = SW_HIDE; | |
2266 | ||
2267 | /* Security attributes. */ | |
2268 | SA.nLength = sizeof (SECURITY_ATTRIBUTES); | |
2269 | SA.bInheritHandle = TRUE; | |
2270 | SA.lpSecurityDescriptor = NULL; | |
2271 | ||
2272 | /* Prepare the command string. */ | |
2273 | strcpy (full_command, command); | |
2274 | strcat (full_command, " "); | |
2275 | ||
2276 | k = 1; | |
2277 | while (args[k]) | |
2278 | { | |
2279 | strcat (full_command, args[k]); | |
2280 | strcat (full_command, " "); | |
2281 | k++; | |
2282 | } | |
2283 | ||
3b18b370 | 2284 | { |
2285 | int wsize = csize * 2; | |
2286 | TCHAR *wcommand = (TCHAR *) xmalloc (wsize); | |
2287 | ||
1e622f0e | 2288 | S2WSU (wcommand, full_command, wsize); |
3b18b370 | 2289 | |
2290 | free (full_command); | |
1fac938e | 2291 | |
3b18b370 | 2292 | result = CreateProcess |
2293 | (NULL, wcommand, &SA, NULL, TRUE, | |
2294 | GetPriorityClass (GetCurrentProcess()), NULL, NULL, &SI, &PI); | |
2295 | ||
2296 | free (wcommand); | |
2297 | } | |
f15731c4 | 2298 | |
1fac938e | 2299 | if (result == TRUE) |
2300 | { | |
2301 | add_handle (PI.hProcess); | |
2302 | CloseHandle (PI.hThread); | |
2303 | return (int) PI.hProcess; | |
2304 | } | |
2305 | else | |
2306 | return -1; | |
2307 | } | |
2308 | ||
2309 | static int | |
9dfe12ae | 2310 | win32_wait (int *status) |
1fac938e | 2311 | { |
2312 | DWORD exitcode; | |
2313 | HANDLE *hl; | |
2314 | HANDLE h; | |
2315 | DWORD res; | |
2316 | int k; | |
2317 | Process_List *pl; | |
e41b023d | 2318 | int hl_len; |
1fac938e | 2319 | |
2320 | if (plist_length == 0) | |
2321 | { | |
2322 | errno = ECHILD; | |
2323 | return -1; | |
2324 | } | |
2325 | ||
1fac938e | 2326 | k = 0; |
51fa65dc | 2327 | |
2328 | /* -------------------- critical section -------------------- */ | |
2329 | (*Lock_Task) (); | |
1fac938e | 2330 | |
e41b023d | 2331 | hl_len = plist_length; |
2332 | ||
e41b023d | 2333 | hl = (HANDLE *) xmalloc (sizeof (HANDLE) * hl_len); |
2334 | ||
1fac938e | 2335 | pl = PLIST; |
2336 | while (pl) | |
2337 | { | |
2338 | hl[k++] = pl->h; | |
2339 | pl = pl->next; | |
2340 | } | |
1fac938e | 2341 | |
51fa65dc | 2342 | (*Unlock_Task) (); |
2343 | /* -------------------- critical section -------------------- */ | |
1fac938e | 2344 | |
e41b023d | 2345 | res = WaitForMultipleObjects (hl_len, hl, FALSE, INFINITE); |
f15731c4 | 2346 | h = hl[res - WAIT_OBJECT_0]; |
1fac938e | 2347 | free (hl); |
2348 | ||
2349 | remove_handle (h); | |
2350 | ||
2351 | GetExitCodeProcess (h, &exitcode); | |
2352 | CloseHandle (h); | |
2353 | ||
2354 | *status = (int) exitcode; | |
2355 | return (int) h; | |
2356 | } | |
2357 | ||
2358 | #endif | |
2359 | ||
2360 | int | |
9dfe12ae | 2361 | __gnat_portable_no_block_spawn (char *args[]) |
1fac938e | 2362 | { |
2363 | int pid = 0; | |
2364 | ||
e2a33c18 | 2365 | #if defined (__vxworks) || defined (__nucleus__) || defined (RTX) |
2366 | return -1; | |
2367 | ||
2368 | #elif defined (__EMX__) || defined (MSDOS) | |
1fac938e | 2369 | |
2370 | /* ??? For PC machines I (Franco) don't know the system calls to implement | |
2371 | this routine. So I'll fake it as follows. This routine will behave | |
2372 | exactly like the blocking portable_spawn and will systematically return | |
2373 | a pid of 0 unless the spawned task did not complete successfully, in | |
2374 | which case we return a pid of -1. To synchronize with this the | |
2375 | portable_wait below systematically returns a pid of 0 and reports that | |
2376 | the subprocess terminated successfully. */ | |
2377 | ||
f15731c4 | 2378 | if (spawnvp (P_WAIT, args[0], args) != 0) |
1fac938e | 2379 | return -1; |
2380 | ||
2381 | #elif defined (_WIN32) | |
2382 | ||
2383 | pid = win32_no_block_spawn (args[0], args); | |
2384 | return pid; | |
2385 | ||
1fac938e | 2386 | #else |
2387 | pid = fork (); | |
2388 | ||
f15731c4 | 2389 | if (pid == 0) |
2390 | { | |
2391 | /* The child. */ | |
6d9c3443 | 2392 | if (execv (args[0], MAYBE_TO_PTR32 (args)) != 0) |
f15731c4 | 2393 | #if defined (VMS) |
2394 | return -1; /* execv is in parent context on VMS. */ | |
9dfe12ae | 2395 | #else |
f15731c4 | 2396 | _exit (1); |
2397 | #endif | |
2398 | } | |
2399 | ||
1fac938e | 2400 | #endif |
2401 | ||
2402 | return pid; | |
2403 | } | |
2404 | ||
2405 | int | |
9dfe12ae | 2406 | __gnat_portable_wait (int *process_status) |
1fac938e | 2407 | { |
2408 | int status = 0; | |
2409 | int pid = 0; | |
2410 | ||
e2a33c18 | 2411 | #if defined (__vxworks) || defined (__nucleus__) || defined (RTX) |
2412 | /* Not sure what to do here, so do same as __EMX__ case, i.e., nothing but | |
2413 | return zero. */ | |
2414 | ||
2415 | #elif defined (_WIN32) | |
1fac938e | 2416 | |
2417 | pid = win32_wait (&status); | |
2418 | ||
2419 | #elif defined (__EMX__) || defined (MSDOS) | |
f15731c4 | 2420 | /* ??? See corresponding comment in portable_no_block_spawn. */ |
1fac938e | 2421 | |
1fac938e | 2422 | #else |
2423 | ||
1fac938e | 2424 | pid = waitpid (-1, &status, 0); |
1fac938e | 2425 | status = status & 0xffff; |
2426 | #endif | |
2427 | ||
2428 | *process_status = status; | |
2429 | return pid; | |
2430 | } | |
2431 | ||
2432 | void | |
9dfe12ae | 2433 | __gnat_os_exit (int status) |
1fac938e | 2434 | { |
1fac938e | 2435 | exit (status); |
1fac938e | 2436 | } |
2437 | ||
f15731c4 | 2438 | /* Locate a regular file, give a Path value. */ |
1fac938e | 2439 | |
2440 | char * | |
9dfe12ae | 2441 | __gnat_locate_regular_file (char *file_name, char *path_val) |
1fac938e | 2442 | { |
2443 | char *ptr; | |
5703e222 | 2444 | char *file_path = (char *) alloca (strlen (file_name) + 1); |
c69ba469 | 2445 | int absolute; |
2446 | ||
b51bcb1c | 2447 | /* Return immediately if file_name is empty */ |
2448 | ||
2449 | if (*file_name == '\0') | |
2450 | return 0; | |
2451 | ||
c69ba469 | 2452 | /* Remove quotes around file_name if present */ |
2453 | ||
2454 | ptr = file_name; | |
2455 | if (*ptr == '"') | |
2456 | ptr++; | |
2457 | ||
2458 | strcpy (file_path, ptr); | |
2459 | ||
2460 | ptr = file_path + strlen (file_path) - 1; | |
2461 | ||
2462 | if (*ptr == '"') | |
2463 | *ptr = '\0'; | |
1fac938e | 2464 | |
f15731c4 | 2465 | /* Handle absolute pathnames. */ |
c69ba469 | 2466 | |
2467 | absolute = __gnat_is_absolute_path (file_path, strlen (file_name)); | |
2468 | ||
9dfe12ae | 2469 | if (absolute) |
2470 | { | |
c69ba469 | 2471 | if (__gnat_is_regular_file (file_path)) |
2472 | return xstrdup (file_path); | |
9dfe12ae | 2473 | |
2474 | return 0; | |
2475 | } | |
2476 | ||
2477 | /* If file_name include directory separator(s), try it first as | |
2478 | a path name relative to the current directory */ | |
1fac938e | 2479 | for (ptr = file_name; *ptr && *ptr != '/' && *ptr != DIR_SEPARATOR; ptr++) |
2480 | ; | |
2481 | ||
9dfe12ae | 2482 | if (*ptr != 0) |
1fac938e | 2483 | { |
2484 | if (__gnat_is_regular_file (file_name)) | |
2485 | return xstrdup (file_name); | |
1fac938e | 2486 | } |
2487 | ||
2488 | if (path_val == 0) | |
2489 | return 0; | |
2490 | ||
2491 | { | |
2492 | /* The result has to be smaller than path_val + file_name. */ | |
5703e222 | 2493 | char *file_path = (char *) alloca (strlen (path_val) + strlen (file_name) + 2); |
1fac938e | 2494 | |
2495 | for (;;) | |
2496 | { | |
2497 | for (; *path_val == PATH_SEPARATOR; path_val++) | |
2498 | ; | |
2499 | ||
2500 | if (*path_val == 0) | |
2501 | return 0; | |
2502 | ||
c69ba469 | 2503 | /* Skip the starting quote */ |
2504 | ||
2505 | if (*path_val == '"') | |
2506 | path_val++; | |
2507 | ||
1fac938e | 2508 | for (ptr = file_path; *path_val && *path_val != PATH_SEPARATOR; ) |
c69ba469 | 2509 | *ptr++ = *path_val++; |
1fac938e | 2510 | |
2511 | ptr--; | |
c69ba469 | 2512 | |
2513 | /* Skip the ending quote */ | |
2514 | ||
2515 | if (*ptr == '"') | |
2516 | ptr--; | |
2517 | ||
1fac938e | 2518 | if (*ptr != '/' && *ptr != DIR_SEPARATOR) |
2519 | *++ptr = DIR_SEPARATOR; | |
2520 | ||
2521 | strcpy (++ptr, file_name); | |
2522 | ||
2523 | if (__gnat_is_regular_file (file_path)) | |
2524 | return xstrdup (file_path); | |
2525 | } | |
2526 | } | |
2527 | ||
2528 | return 0; | |
2529 | } | |
2530 | ||
1fac938e | 2531 | /* Locate an executable given a Path argument. This routine is only used by |
2532 | gnatbl and should not be used otherwise. Use locate_exec_on_path | |
f15731c4 | 2533 | instead. */ |
1fac938e | 2534 | |
2535 | char * | |
9dfe12ae | 2536 | __gnat_locate_exec (char *exec_name, char *path_val) |
1fac938e | 2537 | { |
fb31b465 | 2538 | char *ptr; |
1fac938e | 2539 | if (!strstr (exec_name, HOST_EXECUTABLE_SUFFIX)) |
2540 | { | |
2541 | char *full_exec_name | |
5703e222 | 2542 | = (char *) alloca (strlen (exec_name) + strlen (HOST_EXECUTABLE_SUFFIX) + 1); |
1fac938e | 2543 | |
2544 | strcpy (full_exec_name, exec_name); | |
2545 | strcat (full_exec_name, HOST_EXECUTABLE_SUFFIX); | |
fb31b465 | 2546 | ptr = __gnat_locate_regular_file (full_exec_name, path_val); |
2547 | ||
2548 | if (ptr == 0) | |
2549 | return __gnat_locate_regular_file (exec_name, path_val); | |
2550 | return ptr; | |
1fac938e | 2551 | } |
2552 | else | |
2553 | return __gnat_locate_regular_file (exec_name, path_val); | |
2554 | } | |
2555 | ||
f15731c4 | 2556 | /* Locate an executable using the Systems default PATH. */ |
1fac938e | 2557 | |
2558 | char * | |
9dfe12ae | 2559 | __gnat_locate_exec_on_path (char *exec_name) |
1fac938e | 2560 | { |
9dfe12ae | 2561 | char *apath_val; |
3b18b370 | 2562 | |
e2a33c18 | 2563 | #if defined (_WIN32) && !defined (RTX) |
3b18b370 | 2564 | TCHAR *wpath_val = _tgetenv (_T("PATH")); |
2565 | TCHAR *wapath_val; | |
9dfe12ae | 2566 | /* In Win32 systems we expand the PATH as for XP environment |
c69ba469 | 2567 | variables are not automatically expanded. We also prepend the |
2568 | ".;" to the path to match normal NT path search semantics */ | |
9dfe12ae | 2569 | |
c69ba469 | 2570 | #define EXPAND_BUFFER_SIZE 32767 |
9dfe12ae | 2571 | |
3b18b370 | 2572 | wapath_val = alloca (EXPAND_BUFFER_SIZE); |
c69ba469 | 2573 | |
3b18b370 | 2574 | wapath_val [0] = '.'; |
2575 | wapath_val [1] = ';'; | |
1fac938e | 2576 | |
c69ba469 | 2577 | DWORD res = ExpandEnvironmentStrings |
3b18b370 | 2578 | (wpath_val, &wapath_val[2], EXPAND_BUFFER_SIZE - 2); |
2579 | ||
2580 | if (!res) wapath_val [0] = _T('\0'); | |
2581 | ||
2582 | apath_val = alloca (EXPAND_BUFFER_SIZE); | |
2583 | ||
1e622f0e | 2584 | WS2SU (apath_val, wapath_val, EXPAND_BUFFER_SIZE); |
3b18b370 | 2585 | return __gnat_locate_exec (exec_name, apath_val); |
c69ba469 | 2586 | |
c69ba469 | 2587 | #else |
3b18b370 | 2588 | |
2589 | #ifdef VMS | |
2590 | char *path_val = "/VAXC$PATH"; | |
2591 | #else | |
2592 | char *path_val = getenv ("PATH"); | |
2593 | #endif | |
e2c62f37 | 2594 | if (path_val == NULL) return NULL; |
5703e222 | 2595 | apath_val = (char *) alloca (strlen (path_val) + 1); |
1fac938e | 2596 | strcpy (apath_val, path_val); |
2597 | return __gnat_locate_exec (exec_name, apath_val); | |
3b18b370 | 2598 | #endif |
1fac938e | 2599 | } |
2600 | ||
2601 | #ifdef VMS | |
2602 | ||
2603 | /* These functions are used to translate to and from VMS and Unix syntax | |
f15731c4 | 2604 | file, directory and path specifications. */ |
1fac938e | 2605 | |
9dfe12ae | 2606 | #define MAXPATH 256 |
1fac938e | 2607 | #define MAXNAMES 256 |
2608 | #define NEW_CANONICAL_FILELIST_INCREMENT 64 | |
2609 | ||
9dfe12ae | 2610 | static char new_canonical_dirspec [MAXPATH]; |
2611 | static char new_canonical_filespec [MAXPATH]; | |
2612 | static char new_canonical_pathspec [MAXNAMES*MAXPATH]; | |
1fac938e | 2613 | static unsigned new_canonical_filelist_index; |
2614 | static unsigned new_canonical_filelist_in_use; | |
2615 | static unsigned new_canonical_filelist_allocated; | |
2616 | static char **new_canonical_filelist; | |
9dfe12ae | 2617 | static char new_host_pathspec [MAXNAMES*MAXPATH]; |
2618 | static char new_host_dirspec [MAXPATH]; | |
2619 | static char new_host_filespec [MAXPATH]; | |
1fac938e | 2620 | |
2621 | /* Routine is called repeatedly by decc$from_vms via | |
9dfe12ae | 2622 | __gnat_to_canonical_file_list_init until it returns 0 or the expansion |
2623 | runs out. */ | |
1fac938e | 2624 | |
2625 | static int | |
9dfe12ae | 2626 | wildcard_translate_unix (char *name) |
1fac938e | 2627 | { |
2628 | char *ver; | |
9dfe12ae | 2629 | char buff [MAXPATH]; |
1fac938e | 2630 | |
9dfe12ae | 2631 | strncpy (buff, name, MAXPATH); |
2632 | buff [MAXPATH - 1] = (char) 0; | |
1fac938e | 2633 | ver = strrchr (buff, '.'); |
2634 | ||
f15731c4 | 2635 | /* Chop off the version. */ |
1fac938e | 2636 | if (ver) |
2637 | *ver = 0; | |
2638 | ||
f15731c4 | 2639 | /* Dynamically extend the allocation by the increment. */ |
1fac938e | 2640 | if (new_canonical_filelist_in_use == new_canonical_filelist_allocated) |
2641 | { | |
2642 | new_canonical_filelist_allocated += NEW_CANONICAL_FILELIST_INCREMENT; | |
f15731c4 | 2643 | new_canonical_filelist = (char **) xrealloc |
1fac938e | 2644 | (new_canonical_filelist, |
2645 | new_canonical_filelist_allocated * sizeof (char *)); | |
2646 | } | |
2647 | ||
2648 | new_canonical_filelist[new_canonical_filelist_in_use++] = xstrdup (buff); | |
2649 | ||
2650 | return 1; | |
2651 | } | |
2652 | ||
f15731c4 | 2653 | /* Translate a wildcard VMS file spec into a list of Unix file specs. First do |
2654 | full translation and copy the results into a list (_init), then return them | |
2655 | one at a time (_next). If onlydirs set, only expand directory files. */ | |
1fac938e | 2656 | |
2657 | int | |
9dfe12ae | 2658 | __gnat_to_canonical_file_list_init (char *filespec, int onlydirs) |
1fac938e | 2659 | { |
2660 | int len; | |
9dfe12ae | 2661 | char buff [MAXPATH]; |
1fac938e | 2662 | |
2663 | len = strlen (filespec); | |
9dfe12ae | 2664 | strncpy (buff, filespec, MAXPATH); |
2665 | ||
2666 | /* Only look for directories */ | |
2667 | if (onlydirs && !strstr (&buff [len-5], "*.dir")) | |
2668 | strncat (buff, "*.dir", MAXPATH); | |
1fac938e | 2669 | |
9dfe12ae | 2670 | buff [MAXPATH - 1] = (char) 0; |
1fac938e | 2671 | |
2672 | decc$from_vms (buff, wildcard_translate_unix, 1); | |
2673 | ||
f15731c4 | 2674 | /* Remove the .dir extension. */ |
1fac938e | 2675 | if (onlydirs) |
2676 | { | |
2677 | int i; | |
2678 | char *ext; | |
2679 | ||
2680 | for (i = 0; i < new_canonical_filelist_in_use; i++) | |
2681 | { | |
f15731c4 | 2682 | ext = strstr (new_canonical_filelist[i], ".dir"); |
1fac938e | 2683 | if (ext) |
2684 | *ext = 0; | |
2685 | } | |
2686 | } | |
2687 | ||
2688 | return new_canonical_filelist_in_use; | |
2689 | } | |
2690 | ||
f15731c4 | 2691 | /* Return the next filespec in the list. */ |
1fac938e | 2692 | |
2693 | char * | |
2694 | __gnat_to_canonical_file_list_next () | |
2695 | { | |
f15731c4 | 2696 | return new_canonical_filelist[new_canonical_filelist_index++]; |
1fac938e | 2697 | } |
2698 | ||
f15731c4 | 2699 | /* Free storage used in the wildcard expansion. */ |
1fac938e | 2700 | |
2701 | void | |
2702 | __gnat_to_canonical_file_list_free () | |
2703 | { | |
2704 | int i; | |
2705 | ||
2706 | for (i = 0; i < new_canonical_filelist_in_use; i++) | |
f15731c4 | 2707 | free (new_canonical_filelist[i]); |
1fac938e | 2708 | |
2709 | free (new_canonical_filelist); | |
2710 | ||
2711 | new_canonical_filelist_in_use = 0; | |
2712 | new_canonical_filelist_allocated = 0; | |
2713 | new_canonical_filelist_index = 0; | |
2714 | new_canonical_filelist = 0; | |
2715 | } | |
2716 | ||
b12d3a0b | 2717 | /* The functional equivalent of decc$translate_vms routine. |
2718 | Designed to produce the same output, but is protected against | |
2719 | malformed paths (original version ACCVIOs in this case) and | |
2720 | does not require VMS-specific DECC RTL */ | |
2721 | ||
2722 | #define NAM$C_MAXRSS 1024 | |
2723 | ||
2724 | char * | |
2725 | __gnat_translate_vms (char *src) | |
2726 | { | |
2727 | static char retbuf [NAM$C_MAXRSS+1]; | |
2728 | char *srcendpos, *pos1, *pos2, *retpos; | |
2729 | int disp, path_present = 0; | |
2730 | ||
2731 | if (!src) return NULL; | |
2732 | ||
2733 | srcendpos = strchr (src, '\0'); | |
2734 | retpos = retbuf; | |
2735 | ||
2736 | /* Look for the node and/or device in front of the path */ | |
2737 | pos1 = src; | |
2738 | pos2 = strchr (pos1, ':'); | |
2739 | ||
2740 | if (pos2 && (pos2 < srcendpos) && (*(pos2 + 1) == ':')) { | |
2741 | /* There is a node name. "node_name::" becomes "node_name!" */ | |
2742 | disp = pos2 - pos1; | |
2743 | strncpy (retbuf, pos1, disp); | |
2744 | retpos [disp] = '!'; | |
2745 | retpos = retpos + disp + 1; | |
2746 | pos1 = pos2 + 2; | |
2747 | pos2 = strchr (pos1, ':'); | |
2748 | } | |
2749 | ||
2750 | if (pos2) { | |
2751 | /* There is a device name. "dev_name:" becomes "/dev_name/" */ | |
2752 | *(retpos++) = '/'; | |
2753 | disp = pos2 - pos1; | |
2754 | strncpy (retpos, pos1, disp); | |
2755 | retpos = retpos + disp; | |
2756 | pos1 = pos2 + 1; | |
2757 | *(retpos++) = '/'; | |
2758 | } | |
2759 | else | |
2760 | /* No explicit device; we must look ahead and prepend /sys$disk/ if | |
2761 | the path is absolute */ | |
2762 | if ((*pos1 == '[' || *pos1 == '<') && (pos1 < srcendpos) | |
2763 | && !strchr (".-]>", *(pos1 + 1))) { | |
2764 | strncpy (retpos, "/sys$disk/", 10); | |
2765 | retpos += 10; | |
2766 | } | |
2767 | ||
2768 | /* Process the path part */ | |
2769 | while (*pos1 == '[' || *pos1 == '<') { | |
2770 | path_present++; | |
2771 | pos1++; | |
2772 | if (*pos1 == ']' || *pos1 == '>') { | |
2773 | /* Special case, [] translates to '.' */ | |
2774 | *(retpos++) = '.'; | |
2775 | pos1++; | |
2776 | } | |
2777 | else { | |
2778 | /* '[000000' means root dir. It can be present in the middle of | |
2779 | the path due to expansion of logical devices, in which case | |
2780 | we skip it */ | |
2781 | if (!strncmp (pos1, "000000", 6) && path_present > 1 && | |
2782 | (*(pos1 + 6) == ']' || *(pos1 + 6) == '>' || *(pos1 + 6) == '.')) { | |
2783 | pos1 += 6; | |
2784 | if (*pos1 == '.') pos1++; | |
2785 | } | |
2786 | else if (*pos1 == '.') { | |
2787 | /* Relative path */ | |
2788 | *(retpos++) = '.'; | |
2789 | } | |
2790 | ||
2359306a | 2791 | /* There is a qualified path */ |
2792 | while (*pos1 && *pos1 != ']' && *pos1 != '>') { | |
b12d3a0b | 2793 | switch (*pos1) { |
2794 | case '.': | |
2795 | /* '.' is used to separate directories. Replace it with '/' but | |
2796 | only if there isn't already '/' just before */ | |
2797 | if (*(retpos - 1) != '/') *(retpos++) = '/'; | |
2798 | pos1++; | |
2799 | if (pos1 + 1 < srcendpos && *pos1 == '.' && *(pos1 + 1) == '.') { | |
2800 | /* ellipsis refers to entire subtree; replace with '**' */ | |
2801 | *(retpos++) = '*'; *(retpos++) = '*'; *(retpos++) = '/'; | |
2802 | pos1 += 2; | |
2803 | } | |
2804 | break; | |
2805 | case '-' : | |
2359306a | 2806 | /* When after '.' '[' '<' is equivalent to Unix ".." but there |
2807 | may be several in a row */ | |
2808 | if (*(pos1 - 1) == '.' || *(pos1 - 1) == '[' || | |
2809 | *(pos1 - 1) == '<') { | |
2810 | while (*pos1 == '-') { | |
2811 | pos1++; | |
2812 | *(retpos++) = '.'; *(retpos++) = '.'; *(retpos++) = '/'; | |
2813 | } | |
2814 | retpos--; | |
2815 | break; | |
b12d3a0b | 2816 | } |
2359306a | 2817 | /* otherwise fall through to default */ |
b12d3a0b | 2818 | default: |
2819 | *(retpos++) = *(pos1++); | |
2820 | } | |
2821 | } | |
2822 | pos1++; | |
2823 | } | |
2824 | } | |
2825 | ||
2826 | if (pos1 < srcendpos) { | |
2827 | /* Now add the actual file name, until the version suffix if any */ | |
2828 | if (path_present) *(retpos++) = '/'; | |
2829 | pos2 = strchr (pos1, ';'); | |
2830 | disp = pos2? (pos2 - pos1) : (srcendpos - pos1); | |
2831 | strncpy (retpos, pos1, disp); | |
2832 | retpos += disp; | |
2833 | if (pos2 && pos2 < srcendpos) { | |
2834 | /* There is a non-empty version suffix. ";<ver>" becomes ".<ver>" */ | |
2835 | *retpos++ = '.'; | |
2836 | disp = srcendpos - pos2 - 1; | |
2837 | strncpy (retpos, pos2 + 1, disp); | |
2838 | retpos += disp; | |
2839 | } | |
2840 | } | |
2841 | ||
2842 | *retpos = '\0'; | |
2843 | ||
2844 | return retbuf; | |
2845 | ||
2846 | } | |
2847 | ||
f15731c4 | 2848 | /* Translate a VMS syntax directory specification in to Unix syntax. If |
2849 | PREFIXFLAG is set, append an underscore "/". If no indicators of VMS syntax | |
2850 | found, return input string. Also translate a dirname that contains no | |
2851 | slashes, in case it's a logical name. */ | |
1fac938e | 2852 | |
2853 | char * | |
9dfe12ae | 2854 | __gnat_to_canonical_dir_spec (char *dirspec, int prefixflag) |
1fac938e | 2855 | { |
2856 | int len; | |
2857 | ||
2858 | strcpy (new_canonical_dirspec, ""); | |
2859 | if (strlen (dirspec)) | |
2860 | { | |
2861 | char *dirspec1; | |
2862 | ||
2863 | if (strchr (dirspec, ']') || strchr (dirspec, ':')) | |
9dfe12ae | 2864 | { |
2865 | strncpy (new_canonical_dirspec, | |
b12d3a0b | 2866 | __gnat_translate_vms (dirspec), |
9dfe12ae | 2867 | MAXPATH); |
2868 | } | |
1fac938e | 2869 | else if (!strchr (dirspec, '/') && (dirspec1 = getenv (dirspec)) != 0) |
9dfe12ae | 2870 | { |
2871 | strncpy (new_canonical_dirspec, | |
b12d3a0b | 2872 | __gnat_translate_vms (dirspec1), |
9dfe12ae | 2873 | MAXPATH); |
2874 | } | |
1fac938e | 2875 | else |
9dfe12ae | 2876 | { |
2877 | strncpy (new_canonical_dirspec, dirspec, MAXPATH); | |
2878 | } | |
1fac938e | 2879 | } |
2880 | ||
2881 | len = strlen (new_canonical_dirspec); | |
9dfe12ae | 2882 | if (prefixflag && new_canonical_dirspec [len-1] != '/') |
2883 | strncat (new_canonical_dirspec, "/", MAXPATH); | |
2884 | ||
2885 | new_canonical_dirspec [MAXPATH - 1] = (char) 0; | |
1fac938e | 2886 | |
2887 | return new_canonical_dirspec; | |
2888 | ||
2889 | } | |
2890 | ||
2891 | /* Translate a VMS syntax file specification into Unix syntax. | |
3cc2671a | 2892 | If no indicators of VMS syntax found, check if it's an uppercase |
23c6b287 | 2893 | alphanumeric_ name and if so try it out as an environment |
2894 | variable (logical name). If all else fails return the | |
2895 | input string. */ | |
1fac938e | 2896 | |
2897 | char * | |
9dfe12ae | 2898 | __gnat_to_canonical_file_spec (char *filespec) |
1fac938e | 2899 | { |
23c6b287 | 2900 | char *filespec1; |
2901 | ||
9dfe12ae | 2902 | strncpy (new_canonical_filespec, "", MAXPATH); |
2903 | ||
1fac938e | 2904 | if (strchr (filespec, ']') || strchr (filespec, ':')) |
9dfe12ae | 2905 | { |
2359306a | 2906 | char *tspec = (char *) __gnat_translate_vms (filespec); |
c69ba469 | 2907 | |
2908 | if (tspec != (char *) -1) | |
2909 | strncpy (new_canonical_filespec, tspec, MAXPATH); | |
23c6b287 | 2910 | } |
2911 | else if ((strlen (filespec) == strspn (filespec, | |
2912 | "ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789_")) | |
2913 | && (filespec1 = getenv (filespec))) | |
2914 | { | |
2359306a | 2915 | char *tspec = (char *) __gnat_translate_vms (filespec1); |
c69ba469 | 2916 | |
2917 | if (tspec != (char *) -1) | |
2918 | strncpy (new_canonical_filespec, tspec, MAXPATH); | |
9dfe12ae | 2919 | } |
1fac938e | 2920 | else |
9dfe12ae | 2921 | { |
2922 | strncpy (new_canonical_filespec, filespec, MAXPATH); | |
2923 | } | |
2924 | ||
2925 | new_canonical_filespec [MAXPATH - 1] = (char) 0; | |
1fac938e | 2926 | |
2927 | return new_canonical_filespec; | |
2928 | } | |
2929 | ||
2930 | /* Translate a VMS syntax path specification into Unix syntax. | |
f15731c4 | 2931 | If no indicators of VMS syntax found, return input string. */ |
1fac938e | 2932 | |
2933 | char * | |
9dfe12ae | 2934 | __gnat_to_canonical_path_spec (char *pathspec) |
1fac938e | 2935 | { |
9dfe12ae | 2936 | char *curr, *next, buff [MAXPATH]; |
1fac938e | 2937 | |
2938 | if (pathspec == 0) | |
2939 | return pathspec; | |
2940 | ||
f15731c4 | 2941 | /* If there are /'s, assume it's a Unix path spec and return. */ |
1fac938e | 2942 | if (strchr (pathspec, '/')) |
2943 | return pathspec; | |
2944 | ||
f15731c4 | 2945 | new_canonical_pathspec[0] = 0; |
1fac938e | 2946 | curr = pathspec; |
2947 | ||
2948 | for (;;) | |
2949 | { | |
2950 | next = strchr (curr, ','); | |
2951 | if (next == 0) | |
2952 | next = strchr (curr, 0); | |
2953 | ||
2954 | strncpy (buff, curr, next - curr); | |
f15731c4 | 2955 | buff[next - curr] = 0; |
1fac938e | 2956 | |
f15731c4 | 2957 | /* Check for wildcards and expand if present. */ |
1fac938e | 2958 | if (strchr (buff, '*') || strchr (buff, '%') || strstr (buff, "...")) |
2959 | { | |
2960 | int i, dirs; | |
2961 | ||
2962 | dirs = __gnat_to_canonical_file_list_init (buff, 1); | |
2963 | for (i = 0; i < dirs; i++) | |
2964 | { | |
2965 | char *next_dir; | |
2966 | ||
2967 | next_dir = __gnat_to_canonical_file_list_next (); | |
9dfe12ae | 2968 | strncat (new_canonical_pathspec, next_dir, MAXPATH); |
1fac938e | 2969 | |
f15731c4 | 2970 | /* Don't append the separator after the last expansion. */ |
1fac938e | 2971 | if (i+1 < dirs) |
9dfe12ae | 2972 | strncat (new_canonical_pathspec, ":", MAXPATH); |
1fac938e | 2973 | } |
2974 | ||
2975 | __gnat_to_canonical_file_list_free (); | |
2976 | } | |
2977 | else | |
9dfe12ae | 2978 | strncat (new_canonical_pathspec, |
2979 | __gnat_to_canonical_dir_spec (buff, 0), MAXPATH); | |
1fac938e | 2980 | |
2981 | if (*next == 0) | |
2982 | break; | |
2983 | ||
9dfe12ae | 2984 | strncat (new_canonical_pathspec, ":", MAXPATH); |
1fac938e | 2985 | curr = next + 1; |
2986 | } | |
2987 | ||
9dfe12ae | 2988 | new_canonical_pathspec [MAXPATH - 1] = (char) 0; |
2989 | ||
1fac938e | 2990 | return new_canonical_pathspec; |
2991 | } | |
2992 | ||
9dfe12ae | 2993 | static char filename_buff [MAXPATH]; |
1fac938e | 2994 | |
2995 | static int | |
9dfe12ae | 2996 | translate_unix (char *name, int type) |
1fac938e | 2997 | { |
9dfe12ae | 2998 | strncpy (filename_buff, name, MAXPATH); |
2999 | filename_buff [MAXPATH - 1] = (char) 0; | |
1fac938e | 3000 | return 0; |
3001 | } | |
3002 | ||
f15731c4 | 3003 | /* Translate a Unix syntax path spec into a VMS style (comma separated list of |
3004 | directories. */ | |
1fac938e | 3005 | |
3006 | static char * | |
9dfe12ae | 3007 | to_host_path_spec (char *pathspec) |
1fac938e | 3008 | { |
9dfe12ae | 3009 | char *curr, *next, buff [MAXPATH]; |
1fac938e | 3010 | |
3011 | if (pathspec == 0) | |
3012 | return pathspec; | |
3013 | ||
f15731c4 | 3014 | /* Can't very well test for colons, since that's the Unix separator! */ |
1fac938e | 3015 | if (strchr (pathspec, ']') || strchr (pathspec, ',')) |
3016 | return pathspec; | |
3017 | ||
f15731c4 | 3018 | new_host_pathspec[0] = 0; |
1fac938e | 3019 | curr = pathspec; |
3020 | ||
3021 | for (;;) | |
3022 | { | |
3023 | next = strchr (curr, ':'); | |
3024 | if (next == 0) | |
3025 | next = strchr (curr, 0); | |
3026 | ||
3027 | strncpy (buff, curr, next - curr); | |
f15731c4 | 3028 | buff[next - curr] = 0; |
1fac938e | 3029 | |
9dfe12ae | 3030 | strncat (new_host_pathspec, __gnat_to_host_dir_spec (buff, 0), MAXPATH); |
1fac938e | 3031 | if (*next == 0) |
3032 | break; | |
9dfe12ae | 3033 | strncat (new_host_pathspec, ",", MAXPATH); |
1fac938e | 3034 | curr = next + 1; |
3035 | } | |
3036 | ||
9dfe12ae | 3037 | new_host_pathspec [MAXPATH - 1] = (char) 0; |
3038 | ||
1fac938e | 3039 | return new_host_pathspec; |
3040 | } | |
3041 | ||
f15731c4 | 3042 | /* Translate a Unix syntax directory specification into VMS syntax. The |
3043 | PREFIXFLAG has no effect, but is kept for symmetry with | |
3044 | to_canonical_dir_spec. If indicators of VMS syntax found, return input | |
3045 | string. */ | |
1fac938e | 3046 | |
3047 | char * | |
9dfe12ae | 3048 | __gnat_to_host_dir_spec (char *dirspec, int prefixflag ATTRIBUTE_UNUSED) |
1fac938e | 3049 | { |
3050 | int len = strlen (dirspec); | |
3051 | ||
9dfe12ae | 3052 | strncpy (new_host_dirspec, dirspec, MAXPATH); |
3053 | new_host_dirspec [MAXPATH - 1] = (char) 0; | |
1fac938e | 3054 | |
3055 | if (strchr (new_host_dirspec, ']') || strchr (new_host_dirspec, ':')) | |
3056 | return new_host_dirspec; | |
3057 | ||
f15731c4 | 3058 | while (len > 1 && new_host_dirspec[len - 1] == '/') |
1fac938e | 3059 | { |
f15731c4 | 3060 | new_host_dirspec[len - 1] = 0; |
1fac938e | 3061 | len--; |
3062 | } | |
3063 | ||
3064 | decc$to_vms (new_host_dirspec, translate_unix, 1, 2); | |
9dfe12ae | 3065 | strncpy (new_host_dirspec, filename_buff, MAXPATH); |
3066 | new_host_dirspec [MAXPATH - 1] = (char) 0; | |
1fac938e | 3067 | |
3068 | return new_host_dirspec; | |
1fac938e | 3069 | } |
3070 | ||
3071 | /* Translate a Unix syntax file specification into VMS syntax. | |
f15731c4 | 3072 | If indicators of VMS syntax found, return input string. */ |
1fac938e | 3073 | |
3074 | char * | |
9dfe12ae | 3075 | __gnat_to_host_file_spec (char *filespec) |
1fac938e | 3076 | { |
9dfe12ae | 3077 | strncpy (new_host_filespec, "", MAXPATH); |
1fac938e | 3078 | if (strchr (filespec, ']') || strchr (filespec, ':')) |
9dfe12ae | 3079 | { |
3080 | strncpy (new_host_filespec, filespec, MAXPATH); | |
3081 | } | |
1fac938e | 3082 | else |
3083 | { | |
3084 | decc$to_vms (filespec, translate_unix, 1, 1); | |
9dfe12ae | 3085 | strncpy (new_host_filespec, filename_buff, MAXPATH); |
1fac938e | 3086 | } |
3087 | ||
9dfe12ae | 3088 | new_host_filespec [MAXPATH - 1] = (char) 0; |
3089 | ||
1fac938e | 3090 | return new_host_filespec; |
3091 | } | |
3092 | ||
3093 | void | |
3094 | __gnat_adjust_os_resource_limits () | |
3095 | { | |
3096 | SYS$ADJWSL (131072, 0); | |
3097 | } | |
3098 | ||
9dfe12ae | 3099 | #else /* VMS */ |
1fac938e | 3100 | |
f15731c4 | 3101 | /* Dummy functions for Osint import for non-VMS systems. */ |
1fac938e | 3102 | |
3103 | int | |
9dfe12ae | 3104 | __gnat_to_canonical_file_list_init |
3105 | (char *dirspec ATTRIBUTE_UNUSED, int onlydirs ATTRIBUTE_UNUSED) | |
1fac938e | 3106 | { |
3107 | return 0; | |
3108 | } | |
3109 | ||
3110 | char * | |
6f2c2693 | 3111 | __gnat_to_canonical_file_list_next (void) |
1fac938e | 3112 | { |
3113 | return (char *) ""; | |
3114 | } | |
3115 | ||
3116 | void | |
6f2c2693 | 3117 | __gnat_to_canonical_file_list_free (void) |
1fac938e | 3118 | { |
3119 | } | |
3120 | ||
3121 | char * | |
9dfe12ae | 3122 | __gnat_to_canonical_dir_spec (char *dirspec, int prefixflag ATTRIBUTE_UNUSED) |
1fac938e | 3123 | { |
3124 | return dirspec; | |
3125 | } | |
3126 | ||
3127 | char * | |
9dfe12ae | 3128 | __gnat_to_canonical_file_spec (char *filespec) |
1fac938e | 3129 | { |
3130 | return filespec; | |
3131 | } | |
3132 | ||
3133 | char * | |
9dfe12ae | 3134 | __gnat_to_canonical_path_spec (char *pathspec) |
1fac938e | 3135 | { |
3136 | return pathspec; | |
3137 | } | |
3138 | ||
3139 | char * | |
9dfe12ae | 3140 | __gnat_to_host_dir_spec (char *dirspec, int prefixflag ATTRIBUTE_UNUSED) |
1fac938e | 3141 | { |
3142 | return dirspec; | |
3143 | } | |
3144 | ||
3145 | char * | |
9dfe12ae | 3146 | __gnat_to_host_file_spec (char *filespec) |
1fac938e | 3147 | { |
3148 | return filespec; | |
3149 | } | |
3150 | ||
3151 | void | |
6f2c2693 | 3152 | __gnat_adjust_os_resource_limits (void) |
1fac938e | 3153 | { |
3154 | } | |
3155 | ||
3156 | #endif | |
3157 | ||
f15731c4 | 3158 | /* For EMX, we cannot include dummy in libgcc, since it is too difficult |
1fac938e | 3159 | to coordinate this with the EMX distribution. Consequently, we put the |
f15731c4 | 3160 | definition of dummy which is used for exception handling, here. */ |
1fac938e | 3161 | |
3162 | #if defined (__EMX__) | |
3163 | void __dummy () {} | |
3164 | #endif | |
3165 | ||
3166 | #if defined (__mips_vxworks) | |
9dfe12ae | 3167 | int |
3168 | _flush_cache() | |
1fac938e | 3169 | { |
3170 | CACHE_USER_FLUSH (0, ENTIRE_CACHE); | |
3171 | } | |
3172 | #endif | |
3173 | ||
29d774d0 | 3174 | #if defined (CROSS_DIRECTORY_STRUCTURE) \ |
a3b0f4f2 | 3175 | || (! ((defined (sparc) || defined (i386)) && defined (sun) \ |
3176 | && defined (__SVR4)) \ | |
c69ba469 | 3177 | && ! (defined (linux) && (defined (i386) || defined (__x86_64__))) \ |
a3b0f4f2 | 3178 | && ! (defined (linux) && defined (__ia64__)) \ |
547371fa | 3179 | && ! (defined (linux) && defined (powerpc)) \ |
40a4417a | 3180 | && ! defined (__FreeBSD__) \ |
21a87c1d | 3181 | && ! defined (__hpux__) \ |
ba706ed3 | 3182 | && ! defined (__APPLE__) \ |
9dfe12ae | 3183 | && ! defined (_AIX) \ |
1fac938e | 3184 | && ! (defined (__alpha__) && defined (__osf__)) \ |
3b18b370 | 3185 | && ! defined (VMS) \ |
80d4fec4 | 3186 | && ! defined (__MINGW32__) \ |
3187 | && ! (defined (__mips) && defined (__sgi))) | |
f15731c4 | 3188 | |
a3b0f4f2 | 3189 | /* Dummy function to satisfy g-trasym.o. See the preprocessor conditional |
3190 | just above for a list of native platforms that provide a non-dummy | |
3191 | version of this procedure in libaddr2line.a. */ | |
1fac938e | 3192 | |
3193 | void | |
1e622f0e | 3194 | convert_addresses (const char *file_name ATTRIBUTE_UNUSED, |
3195 | void *addrs ATTRIBUTE_UNUSED, | |
9dfe12ae | 3196 | int n_addr ATTRIBUTE_UNUSED, |
3197 | void *buf ATTRIBUTE_UNUSED, | |
3198 | int *len ATTRIBUTE_UNUSED) | |
1fac938e | 3199 | { |
3200 | *len = 0; | |
3201 | } | |
3202 | #endif | |
f15731c4 | 3203 | |
3204 | #if defined (_WIN32) | |
3205 | int __gnat_argument_needs_quote = 1; | |
3206 | #else | |
3207 | int __gnat_argument_needs_quote = 0; | |
3208 | #endif | |
9dfe12ae | 3209 | |
3210 | /* This option is used to enable/disable object files handling from the | |
3211 | binder file by the GNAT Project module. For example, this is disabled on | |
e0f42093 | 3212 | Windows (prior to GCC 3.4) as it is already done by the mdll module. |
3213 | Stating with GCC 3.4 the shared libraries are not based on mdll | |
3214 | anymore as it uses the GCC's -shared option */ | |
3215 | #if defined (_WIN32) \ | |
3216 | && ((__GNUC__ < 3) || ((__GNUC__ == 3) && (__GNUC_MINOR__ < 4))) | |
9dfe12ae | 3217 | int __gnat_prj_add_obj_files = 0; |
3218 | #else | |
3219 | int __gnat_prj_add_obj_files = 1; | |
3220 | #endif | |
3221 | ||
3222 | /* char used as prefix/suffix for environment variables */ | |
3223 | #if defined (_WIN32) | |
3224 | char __gnat_environment_char = '%'; | |
3225 | #else | |
3226 | char __gnat_environment_char = '$'; | |
3227 | #endif | |
3228 | ||
3229 | /* This functions copy the file attributes from a source file to a | |
3230 | destination file. | |
3231 | ||
3232 | mode = 0 : In this mode copy only the file time stamps (last access and | |
3233 | last modification time stamps). | |
3234 | ||
3235 | mode = 1 : In this mode, time stamps and read/write/execute attributes are | |
3236 | copied. | |
3237 | ||
3238 | Returns 0 if operation was successful and -1 in case of error. */ | |
3239 | ||
3240 | int | |
3241 | __gnat_copy_attribs (char *from, char *to, int mode) | |
3242 | { | |
5091bc2f | 3243 | #if defined (VMS) || defined (__vxworks) || defined (__nucleus__) |
9dfe12ae | 3244 | return -1; |
3245 | #else | |
3246 | struct stat fbuf; | |
3247 | struct utimbuf tbuf; | |
3248 | ||
3249 | if (stat (from, &fbuf) == -1) | |
3250 | { | |
3251 | return -1; | |
3252 | } | |
3253 | ||
3254 | tbuf.actime = fbuf.st_atime; | |
3255 | tbuf.modtime = fbuf.st_mtime; | |
3256 | ||
3257 | if (utime (to, &tbuf) == -1) | |
3258 | { | |
3259 | return -1; | |
3260 | } | |
3261 | ||
3262 | if (mode == 1) | |
3263 | { | |
3264 | if (chmod (to, fbuf.st_mode) == -1) | |
3265 | { | |
3266 | return -1; | |
3267 | } | |
3268 | } | |
3269 | ||
3270 | return 0; | |
3271 | #endif | |
3272 | } | |
3273 | ||
cf6d853e | 3274 | int |
3275 | __gnat_lseek (int fd, long offset, int whence) | |
3276 | { | |
3277 | return (int) lseek (fd, offset, whence); | |
3278 | } | |
0914a918 | 3279 | |
e2c62f37 | 3280 | /* This function returns the major version number of GCC being used. */ |
0914a918 | 3281 | int |
3282 | get_gcc_version (void) | |
3283 | { | |
e2c62f37 | 3284 | #ifdef IN_RTS |
3285 | return __GNUC__; | |
3286 | #else | |
3287 | return (int) (version_string[0] - '0'); | |
3288 | #endif | |
0914a918 | 3289 | } |
6d9c3443 | 3290 | |
3291 | int | |
de10c095 | 3292 | __gnat_set_close_on_exec (int fd ATTRIBUTE_UNUSED, |
0e9e8338 | 3293 | int close_on_exec_p ATTRIBUTE_UNUSED) |
6d9c3443 | 3294 | { |
3295 | #if defined (F_GETFD) && defined (FD_CLOEXEC) && ! defined (__vxworks) | |
3296 | int flags = fcntl (fd, F_GETFD, 0); | |
3297 | if (flags < 0) | |
3298 | return flags; | |
3299 | if (close_on_exec_p) | |
3300 | flags |= FD_CLOEXEC; | |
3301 | else | |
3302 | flags &= ~FD_CLOEXEC; | |
3303 | return fcntl (fd, F_SETFD, flags | FD_CLOEXEC); | |
07f34887 | 3304 | #elif defined(_WIN32) |
3305 | HANDLE h = (HANDLE) _get_osfhandle (fd); | |
3306 | if (h == (HANDLE) -1) | |
3307 | return -1; | |
3308 | if (close_on_exec_p) | |
3309 | return ! SetHandleInformation (h, HANDLE_FLAG_INHERIT, 0); | |
3310 | return ! SetHandleInformation (h, HANDLE_FLAG_INHERIT, | |
3311 | HANDLE_FLAG_INHERIT); | |
6d9c3443 | 3312 | #else |
07f34887 | 3313 | /* TODO: Unimplemented. */ |
6d9c3443 | 3314 | return -1; |
6d9c3443 | 3315 | #endif |
3316 | } | |
fb31b465 | 3317 | |
3318 | /* Indicates if platforms supports automatic initialization through the | |
3319 | constructor mechanism */ | |
3320 | int | |
3321 | __gnat_binder_supports_auto_init () | |
3322 | { | |
3323 | #ifdef VMS | |
3324 | return 0; | |
3325 | #else | |
3326 | return 1; | |
3327 | #endif | |
3328 | } | |
3329 | ||
3330 | /* Indicates that Stand-Alone Libraries are automatically initialized through | |
3331 | the constructor mechanism */ | |
3332 | int | |
3333 | __gnat_sals_init_using_constructors () | |
3334 | { | |
3335 | #if defined (__vxworks) || defined (__Lynx__) || defined (VMS) | |
3336 | return 0; | |
3337 | #else | |
3338 | return 1; | |
3339 | #endif | |
3340 | } | |
e2a33c18 | 3341 | |
8e726ab4 | 3342 | #ifdef RTX |
3343 | ||
e2a33c18 | 3344 | /* In RTX mode, the procedure to get the time (as file time) is different |
3345 | in RTSS mode and Win32 mode. In order to avoid duplicating an Ada file, | |
3346 | we introduce an intermediate procedure to link against the corresponding | |
3347 | one in each situation. */ | |
8e726ab4 | 3348 | |
3349 | extern void GetTimeAsFileTime(LPFILETIME pTime); | |
e2a33c18 | 3350 | |
3351 | void GetTimeAsFileTime(LPFILETIME pTime) | |
3352 | { | |
3353 | #ifdef RTSS | |
3354 | RtGetRtssTimeAsFileTime (pTime); /* RTSS interface */ | |
3355 | #else | |
3356 | GetSystemTimeAsFileTime (pTime); /* w32 interface */ | |
3357 | #endif | |
3358 | } | |
8e726ab4 | 3359 | |
3360 | #ifdef RTSS | |
3361 | /* Add symbol that is required to link. It would otherwise be taken from | |
3362 | libgcc.a and it would try to use the gcc constructors that are not | |
3363 | supported by Microsoft linker. */ | |
3364 | ||
3365 | extern void __main (void); | |
3366 | ||
3367 | void __main (void) {} | |
3368 | #endif | |
e2a33c18 | 3369 | #endif |
3370 | ||
9d093602 | 3371 | #if defined (linux) || defined(__GLIBC__) |
e2a33c18 | 3372 | /* pthread affinity support */ |
3373 | ||
c62e34a4 | 3374 | int __gnat_pthread_setaffinity_np (pthread_t th, |
3375 | size_t cpusetsize, | |
3376 | const void *cpuset); | |
3377 | ||
e2a33c18 | 3378 | #ifdef CPU_SETSIZE |
3379 | #include <pthread.h> | |
3380 | int | |
3381 | __gnat_pthread_setaffinity_np (pthread_t th, | |
3382 | size_t cpusetsize, | |
3383 | const cpu_set_t *cpuset) | |
3384 | { | |
3385 | return pthread_setaffinity_np (th, cpusetsize, cpuset); | |
3386 | } | |
3387 | #else | |
3388 | int | |
c62e34a4 | 3389 | __gnat_pthread_setaffinity_np (pthread_t th ATTRIBUTE_UNUSED, |
3390 | size_t cpusetsize ATTRIBUTE_UNUSED, | |
3391 | const void *cpuset ATTRIBUTE_UNUSED) | |
e2a33c18 | 3392 | { |
3393 | return 0; | |
3394 | } | |
3395 | #endif | |
3396 | #endif | |
a0d9619f | 3397 | |
3398 | #if defined (linux) | |
3399 | /* There is no function in the glibc to retrieve the LWP of the current | |
3400 | thread. We need to do a system call in order to retrieve this | |
3401 | information. */ | |
3402 | #include <sys/syscall.h> | |
3403 | void *__gnat_lwp_self (void) { | |
3404 | return (void *) syscall (__NR_gettid); | |
3405 | } | |
3406 | #endif |