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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 | * * | |
0914a918 | 9 | * Copyright (C) 1992-2004, 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- * | |
13 | * ware Foundation; either version 2, or (at your option) any later ver- * | |
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 * | |
16 | * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * | |
17 | * for more details. You should have received a copy of the GNU General * | |
18 | * Public License distributed with GNAT; see file COPYING. If not, write * | |
19 | * to the Free Software Foundation, 59 Temple Place - Suite 330, Boston, * | |
20 | * MA 02111-1307, USA. * | |
21 | * * | |
22 | * As a special exception, if you link this file with other files to * | |
23 | * produce an executable, this file does not by itself cause the resulting * | |
24 | * executable to be covered by the GNU General Public License. This except- * | |
25 | * ion does not however invalidate any other reasons why the executable * | |
26 | * file might be covered by the GNU Public License. * | |
27 | * * | |
28 | * GNAT was originally developed by the GNAT team at New York University. * | |
e78e8c8e | 29 | * Extensive contributions were provided by Ada Core Technologies Inc. * |
1fac938e | 30 | * * |
31 | ****************************************************************************/ | |
32 | ||
f15731c4 | 33 | /* This file contains those routines named by Import pragmas in |
34 | packages in the GNAT hierarchy (especially GNAT.OS_Lib) and in | |
35 | package Osint. Many of the subprograms in OS_Lib import standard | |
36 | library calls directly. This file contains all other routines. */ | |
1fac938e | 37 | |
38 | #ifdef __vxworks | |
f15731c4 | 39 | |
40 | /* No need to redefine exit here. */ | |
1fac938e | 41 | #undef exit |
f15731c4 | 42 | |
1fac938e | 43 | /* We want to use the POSIX variants of include files. */ |
44 | #define POSIX | |
45 | #include "vxWorks.h" | |
46 | ||
47 | #if defined (__mips_vxworks) | |
48 | #include "cacheLib.h" | |
49 | #endif /* __mips_vxworks */ | |
50 | ||
51 | #endif /* VxWorks */ | |
52 | ||
cafd02b3 | 53 | #ifdef VMS |
54 | #define _POSIX_EXIT 1 | |
55 | #endif | |
56 | ||
1fac938e | 57 | #ifdef IN_RTS |
58 | #include "tconfig.h" | |
59 | #include "tsystem.h" | |
9dfe12ae | 60 | |
1fac938e | 61 | #include <sys/stat.h> |
62 | #include <fcntl.h> | |
63 | #include <time.h> | |
cafd02b3 | 64 | #ifdef VMS |
65 | #include <unixio.h> | |
66 | #endif | |
1fac938e | 67 | |
f15731c4 | 68 | /* We don't have libiberty, so use malloc. */ |
1fac938e | 69 | #define xmalloc(S) malloc (S) |
f15731c4 | 70 | #define xrealloc(V,S) realloc (V,S) |
1fac938e | 71 | #else |
72 | #include "config.h" | |
73 | #include "system.h" | |
74 | #endif | |
9dfe12ae | 75 | |
76 | #ifdef __MINGW32__ | |
77 | #include "mingw32.h" | |
78 | #include <sys/utime.h> | |
f0a28ccb | 79 | #include <ctype.h> |
9dfe12ae | 80 | #else |
81 | #ifndef VMS | |
82 | #include <utime.h> | |
83 | #endif | |
84 | #endif | |
85 | ||
86 | #ifdef __MINGW32__ | |
87 | #if OLD_MINGW | |
1fac938e | 88 | #include <sys/wait.h> |
9dfe12ae | 89 | #endif |
90 | #else | |
91 | #include <sys/wait.h> | |
92 | #endif | |
1fac938e | 93 | |
d8dd2062 | 94 | #if defined (__EMX__) || defined (MSDOS) || defined (_WIN32) |
95 | #elif defined (VMS) | |
71a3e619 | 96 | |
f15731c4 | 97 | /* Header files and definitions for __gnat_set_file_time_name. */ |
71a3e619 | 98 | |
d8dd2062 | 99 | #include <rms.h> |
100 | #include <atrdef.h> | |
101 | #include <fibdef.h> | |
102 | #include <stsdef.h> | |
103 | #include <iodef.h> | |
104 | #include <errno.h> | |
105 | #include <descrip.h> | |
106 | #include <string.h> | |
107 | #include <unixlib.h> | |
108 | ||
f15731c4 | 109 | /* Use native 64-bit arithmetic. */ |
d8dd2062 | 110 | #define unix_time_to_vms(X,Y) \ |
111 | { unsigned long long reftime, tmptime = (X); \ | |
112 | $DESCRIPTOR (unixtime,"1-JAN-1970 0:00:00.00"); \ | |
113 | SYS$BINTIM (&unixtime, &reftime); \ | |
114 | Y = tmptime * 10000000 + reftime; } | |
115 | ||
116 | /* descrip.h doesn't have everything ... */ | |
117 | struct dsc$descriptor_fib | |
118 | { | |
119 | unsigned long fib$l_len; | |
120 | struct fibdef *fib$l_addr; | |
121 | }; | |
122 | ||
71a3e619 | 123 | /* I/O Status Block. */ |
d8dd2062 | 124 | struct IOSB |
9dfe12ae | 125 | { |
d8dd2062 | 126 | unsigned short status, count; |
127 | unsigned long devdep; | |
128 | }; | |
129 | ||
130 | static char *tryfile; | |
131 | ||
71a3e619 | 132 | /* Variable length string. */ |
d8dd2062 | 133 | struct vstring |
134 | { | |
135 | short length; | |
f15731c4 | 136 | char string[NAM$C_MAXRSS+1]; |
d8dd2062 | 137 | }; |
138 | ||
d8dd2062 | 139 | #else |
140 | #include <utime.h> | |
141 | #endif | |
142 | ||
1fac938e | 143 | #if defined (__EMX__) || defined (MSDOS) || defined (_WIN32) |
144 | #include <process.h> | |
145 | #endif | |
146 | ||
147 | #if defined (_WIN32) | |
148 | #include <dir.h> | |
149 | #include <windows.h> | |
fef772a5 | 150 | #undef DIR_SEPARATOR |
151 | #define DIR_SEPARATOR '\\' | |
1fac938e | 152 | #endif |
153 | ||
154 | #include "adaint.h" | |
155 | ||
156 | /* Define symbols O_BINARY and O_TEXT as harmless zeroes if they are not | |
157 | defined in the current system. On DOS-like systems these flags control | |
158 | whether the file is opened/created in text-translation mode (CR/LF in | |
159 | external file mapped to LF in internal file), but in Unix-like systems, | |
160 | no text translation is required, so these flags have no effect. */ | |
161 | ||
162 | #if defined (__EMX__) | |
163 | #include <os2.h> | |
164 | #endif | |
165 | ||
166 | #if defined (MSDOS) | |
167 | #include <dos.h> | |
168 | #endif | |
169 | ||
170 | #ifndef O_BINARY | |
171 | #define O_BINARY 0 | |
172 | #endif | |
173 | ||
174 | #ifndef O_TEXT | |
175 | #define O_TEXT 0 | |
176 | #endif | |
177 | ||
178 | #ifndef HOST_EXECUTABLE_SUFFIX | |
179 | #define HOST_EXECUTABLE_SUFFIX "" | |
180 | #endif | |
181 | ||
182 | #ifndef HOST_OBJECT_SUFFIX | |
183 | #define HOST_OBJECT_SUFFIX ".o" | |
184 | #endif | |
185 | ||
186 | #ifndef PATH_SEPARATOR | |
187 | #define PATH_SEPARATOR ':' | |
188 | #endif | |
189 | ||
190 | #ifndef DIR_SEPARATOR | |
191 | #define DIR_SEPARATOR '/' | |
192 | #endif | |
193 | ||
194 | char __gnat_dir_separator = DIR_SEPARATOR; | |
195 | ||
196 | char __gnat_path_separator = PATH_SEPARATOR; | |
197 | ||
198 | /* The GNAT_LIBRARY_TEMPLATE contains a list of expressions that define | |
199 | the base filenames that libraries specified with -lsomelib options | |
200 | may have. This is used by GNATMAKE to check whether an executable | |
201 | is up-to-date or not. The syntax is | |
202 | ||
203 | library_template ::= { pattern ; } pattern NUL | |
204 | pattern ::= [ prefix ] * [ postfix ] | |
205 | ||
206 | These should only specify names of static libraries as it makes | |
207 | no sense to determine at link time if dynamic-link libraries are | |
208 | up to date or not. Any libraries that are not found are supposed | |
209 | to be up-to-date: | |
210 | ||
211 | * if they are needed but not present, the link | |
212 | will fail, | |
213 | ||
214 | * otherwise they are libraries in the system paths and so | |
215 | they are considered part of the system and not checked | |
216 | for that reason. | |
217 | ||
218 | ??? This should be part of a GNAT host-specific compiler | |
219 | file instead of being included in all user applications | |
f15731c4 | 220 | as well. This is only a temporary work-around for 3.11b. */ |
1fac938e | 221 | |
222 | #ifndef GNAT_LIBRARY_TEMPLATE | |
f15731c4 | 223 | #if defined (__EMX__) |
1fac938e | 224 | #define GNAT_LIBRARY_TEMPLATE "*.a" |
f15731c4 | 225 | #elif defined (VMS) |
1fac938e | 226 | #define GNAT_LIBRARY_TEMPLATE "*.olb" |
227 | #else | |
228 | #define GNAT_LIBRARY_TEMPLATE "lib*.a" | |
229 | #endif | |
230 | #endif | |
231 | ||
232 | const char *__gnat_library_template = GNAT_LIBRARY_TEMPLATE; | |
233 | ||
f15731c4 | 234 | /* This variable is used in hostparm.ads to say whether the host is a VMS |
235 | system. */ | |
236 | #ifdef VMS | |
237 | const int __gnat_vmsp = 1; | |
238 | #else | |
239 | const int __gnat_vmsp = 0; | |
240 | #endif | |
241 | ||
e633acdc | 242 | #ifdef __EMX__ |
9dfe12ae | 243 | #define GNAT_MAX_PATH_LEN MAX_PATH |
e633acdc | 244 | |
245 | #elif defined (VMS) | |
9dfe12ae | 246 | #define GNAT_MAX_PATH_LEN 256 /* PATH_MAX */ |
e633acdc | 247 | |
248 | #elif defined (__vxworks) || defined (__OPENNT) | |
9dfe12ae | 249 | #define GNAT_MAX_PATH_LEN PATH_MAX |
250 | ||
251 | #else | |
252 | ||
253 | #if defined (__MINGW32__) | |
254 | #include "mingw32.h" | |
255 | ||
256 | #if OLD_MINGW | |
257 | #include <sys/param.h> | |
258 | #endif | |
e633acdc | 259 | |
260 | #else | |
261 | #include <sys/param.h> | |
9dfe12ae | 262 | #endif |
263 | ||
264 | #define GNAT_MAX_PATH_LEN MAXPATHLEN | |
e633acdc | 265 | |
266 | #endif | |
267 | ||
9dfe12ae | 268 | /* The __gnat_max_path_len variable is used to export the maximum |
269 | length of a path name to Ada code. max_path_len is also provided | |
270 | for compatibility with older GNAT versions, please do not use | |
271 | it. */ | |
272 | ||
273 | int __gnat_max_path_len = GNAT_MAX_PATH_LEN; | |
274 | int max_path_len = GNAT_MAX_PATH_LEN; | |
275 | ||
1fac938e | 276 | /* The following macro HAVE_READDIR_R should be defined if the |
f15731c4 | 277 | system provides the routine readdir_r. */ |
1fac938e | 278 | #undef HAVE_READDIR_R |
279 | \f | |
280 | void | |
9dfe12ae | 281 | __gnat_to_gm_time |
282 | (OS_Time *p_time, | |
283 | int *p_year, | |
284 | int *p_month, | |
285 | int *p_day, | |
286 | int *p_hours, | |
287 | int *p_mins, | |
288 | int *p_secs) | |
1fac938e | 289 | { |
290 | struct tm *res; | |
9dfe12ae | 291 | time_t time = (time_t) *p_time; |
1fac938e | 292 | |
293 | #ifdef _WIN32 | |
294 | /* On Windows systems, the time is sometimes rounded up to the nearest | |
295 | even second, so if the number of seconds is odd, increment it. */ | |
296 | if (time & 1) | |
297 | time++; | |
298 | #endif | |
299 | ||
9dfe12ae | 300 | #ifdef VMS |
301 | res = localtime (&time); | |
302 | #else | |
1fac938e | 303 | res = gmtime (&time); |
9dfe12ae | 304 | #endif |
1fac938e | 305 | |
306 | if (res) | |
307 | { | |
308 | *p_year = res->tm_year; | |
309 | *p_month = res->tm_mon; | |
310 | *p_day = res->tm_mday; | |
311 | *p_hours = res->tm_hour; | |
312 | *p_mins = res->tm_min; | |
313 | *p_secs = res->tm_sec; | |
f15731c4 | 314 | } |
1fac938e | 315 | else |
316 | *p_year = *p_month = *p_day = *p_hours = *p_mins = *p_secs = 0; | |
317 | } | |
318 | ||
319 | /* Place the contents of the symbolic link named PATH in the buffer BUF, | |
320 | which has size BUFSIZ. If PATH is a symbolic link, then return the number | |
321 | of characters of its content in BUF. Otherwise, return -1. For Windows, | |
322 | OS/2 and vxworks, always return -1. */ | |
323 | ||
9dfe12ae | 324 | int |
f0a28ccb | 325 | __gnat_readlink (char *path ATTRIBUTE_UNUSED, |
326 | char *buf ATTRIBUTE_UNUSED, | |
327 | size_t bufsiz ATTRIBUTE_UNUSED) | |
1fac938e | 328 | { |
329 | #if defined (MSDOS) || defined (_WIN32) || defined (__EMX__) | |
330 | return -1; | |
331 | #elif defined (__INTERIX) || defined (VMS) | |
332 | return -1; | |
333 | #elif defined (__vxworks) | |
334 | return -1; | |
335 | #else | |
336 | return readlink (path, buf, bufsiz); | |
337 | #endif | |
338 | } | |
339 | ||
f15731c4 | 340 | /* Creates a symbolic link named NEWPATH which contains the string OLDPATH. If |
341 | NEWPATH exists it will NOT be overwritten. For Windows, OS/2, VxWorks, | |
342 | Interix and VMS, always return -1. */ | |
1fac938e | 343 | |
344 | int | |
f0a28ccb | 345 | __gnat_symlink (char *oldpath ATTRIBUTE_UNUSED, |
346 | char *newpath ATTRIBUTE_UNUSED) | |
1fac938e | 347 | { |
348 | #if defined (MSDOS) || defined (_WIN32) || defined (__EMX__) | |
349 | return -1; | |
350 | #elif defined (__INTERIX) || defined (VMS) | |
351 | return -1; | |
352 | #elif defined (__vxworks) | |
353 | return -1; | |
354 | #else | |
355 | return symlink (oldpath, newpath); | |
356 | #endif | |
357 | } | |
358 | ||
f15731c4 | 359 | /* Try to lock a file, return 1 if success. */ |
1fac938e | 360 | |
361 | #if defined (__vxworks) || defined (MSDOS) || defined (_WIN32) | |
362 | ||
363 | /* Version that does not use link. */ | |
364 | ||
365 | int | |
9dfe12ae | 366 | __gnat_try_lock (char *dir, char *file) |
1fac938e | 367 | { |
f15731c4 | 368 | char full_path[256]; |
1fac938e | 369 | int fd; |
370 | ||
371 | sprintf (full_path, "%s%c%s", dir, DIR_SEPARATOR, file); | |
372 | fd = open (full_path, O_CREAT | O_EXCL, 0600); | |
f15731c4 | 373 | if (fd < 0) |
1fac938e | 374 | return 0; |
f15731c4 | 375 | |
1fac938e | 376 | close (fd); |
377 | return 1; | |
378 | } | |
379 | ||
380 | #elif defined (__EMX__) || defined (VMS) | |
381 | ||
382 | /* More cases that do not use link; identical code, to solve too long | |
383 | line problem ??? */ | |
384 | ||
385 | int | |
9dfe12ae | 386 | __gnat_try_lock (char *dir, char *file) |
1fac938e | 387 | { |
f15731c4 | 388 | char full_path[256]; |
1fac938e | 389 | int fd; |
390 | ||
391 | sprintf (full_path, "%s%c%s", dir, DIR_SEPARATOR, file); | |
392 | fd = open (full_path, O_CREAT | O_EXCL, 0600); | |
393 | if (fd < 0) | |
394 | return 0; | |
395 | ||
396 | close (fd); | |
397 | return 1; | |
398 | } | |
399 | ||
400 | #else | |
f15731c4 | 401 | |
1fac938e | 402 | /* Version using link(), more secure over NFS. */ |
9dfe12ae | 403 | /* See TN 6913-016 for discussion ??? */ |
1fac938e | 404 | |
405 | int | |
9dfe12ae | 406 | __gnat_try_lock (char *dir, char *file) |
1fac938e | 407 | { |
f15731c4 | 408 | char full_path[256]; |
409 | char temp_file[256]; | |
1fac938e | 410 | struct stat stat_result; |
411 | int fd; | |
412 | ||
413 | sprintf (full_path, "%s%c%s", dir, DIR_SEPARATOR, file); | |
4a3f445c | 414 | sprintf (temp_file, "%s%cTMP-%ld-%ld", |
415 | dir, DIR_SEPARATOR, (long)getpid(), (long)getppid ()); | |
1fac938e | 416 | |
f15731c4 | 417 | /* Create the temporary file and write the process number. */ |
1fac938e | 418 | fd = open (temp_file, O_CREAT | O_WRONLY, 0600); |
419 | if (fd < 0) | |
420 | return 0; | |
421 | ||
422 | close (fd); | |
423 | ||
f15731c4 | 424 | /* Link it with the new file. */ |
1fac938e | 425 | link (temp_file, full_path); |
426 | ||
427 | /* Count the references on the old one. If we have a count of two, then | |
f15731c4 | 428 | the link did succeed. Remove the temporary file before returning. */ |
1fac938e | 429 | __gnat_stat (temp_file, &stat_result); |
430 | unlink (temp_file); | |
431 | return stat_result.st_nlink == 2; | |
432 | } | |
433 | #endif | |
434 | ||
435 | /* Return the maximum file name length. */ | |
436 | ||
437 | int | |
6f2c2693 | 438 | __gnat_get_maximum_file_name_length (void) |
1fac938e | 439 | { |
f15731c4 | 440 | #if defined (MSDOS) |
1fac938e | 441 | return 8; |
442 | #elif defined (VMS) | |
443 | if (getenv ("GNAT$EXTENDED_FILE_SPECIFICATIONS")) | |
444 | return -1; | |
445 | else | |
446 | return 39; | |
447 | #else | |
448 | return -1; | |
449 | #endif | |
450 | } | |
451 | ||
1fac938e | 452 | /* Return nonzero if file names are case sensitive. */ |
453 | ||
454 | int | |
6f2c2693 | 455 | __gnat_get_file_names_case_sensitive (void) |
1fac938e | 456 | { |
f15731c4 | 457 | #if defined (__EMX__) || defined (MSDOS) || defined (VMS) || defined (WINNT) |
1fac938e | 458 | return 0; |
459 | #else | |
460 | return 1; | |
461 | #endif | |
462 | } | |
463 | ||
464 | char | |
6f2c2693 | 465 | __gnat_get_default_identifier_character_set (void) |
1fac938e | 466 | { |
467 | #if defined (__EMX__) || defined (MSDOS) | |
468 | return 'p'; | |
469 | #else | |
470 | return '1'; | |
471 | #endif | |
472 | } | |
473 | ||
f15731c4 | 474 | /* Return the current working directory. */ |
1fac938e | 475 | |
476 | void | |
9dfe12ae | 477 | __gnat_get_current_dir (char *dir, int *length) |
1fac938e | 478 | { |
479 | #ifdef VMS | |
480 | /* Force Unix style, which is what GNAT uses internally. */ | |
481 | getcwd (dir, *length, 0); | |
482 | #else | |
483 | getcwd (dir, *length); | |
484 | #endif | |
485 | ||
486 | *length = strlen (dir); | |
487 | ||
9dfe12ae | 488 | if (dir [*length - 1] != DIR_SEPARATOR) |
489 | { | |
490 | dir [*length] = DIR_SEPARATOR; | |
491 | ++(*length); | |
492 | } | |
f15731c4 | 493 | dir[*length] = '\0'; |
1fac938e | 494 | } |
495 | ||
f15731c4 | 496 | /* Return the suffix for object files. */ |
1fac938e | 497 | |
498 | void | |
9dfe12ae | 499 | __gnat_get_object_suffix_ptr (int *len, const char **value) |
1fac938e | 500 | { |
501 | *value = HOST_OBJECT_SUFFIX; | |
502 | ||
503 | if (*value == 0) | |
504 | *len = 0; | |
505 | else | |
506 | *len = strlen (*value); | |
507 | ||
508 | return; | |
509 | } | |
510 | ||
f15731c4 | 511 | /* Return the suffix for executable files. */ |
1fac938e | 512 | |
513 | void | |
9dfe12ae | 514 | __gnat_get_executable_suffix_ptr (int *len, const char **value) |
1fac938e | 515 | { |
516 | *value = HOST_EXECUTABLE_SUFFIX; | |
517 | if (!*value) | |
518 | *len = 0; | |
519 | else | |
520 | *len = strlen (*value); | |
521 | ||
522 | return; | |
523 | } | |
524 | ||
525 | /* Return the suffix for debuggable files. Usually this is the same as the | |
f15731c4 | 526 | executable extension. */ |
1fac938e | 527 | |
528 | void | |
9dfe12ae | 529 | __gnat_get_debuggable_suffix_ptr (int *len, const char **value) |
1fac938e | 530 | { |
531 | #ifndef MSDOS | |
532 | *value = HOST_EXECUTABLE_SUFFIX; | |
533 | #else | |
f15731c4 | 534 | /* On DOS, the extensionless COFF file is what gdb likes. */ |
1fac938e | 535 | *value = ""; |
536 | #endif | |
537 | ||
538 | if (*value == 0) | |
539 | *len = 0; | |
540 | else | |
541 | *len = strlen (*value); | |
542 | ||
543 | return; | |
544 | } | |
545 | ||
546 | int | |
9dfe12ae | 547 | __gnat_open_read (char *path, int fmode) |
1fac938e | 548 | { |
549 | int fd; | |
550 | int o_fmode = O_BINARY; | |
551 | ||
552 | if (fmode) | |
553 | o_fmode = O_TEXT; | |
554 | ||
f15731c4 | 555 | #if defined (VMS) |
556 | /* Optional arguments mbc,deq,fop increase read performance. */ | |
1fac938e | 557 | fd = open (path, O_RDONLY | o_fmode, 0444, |
558 | "mbc=16", "deq=64", "fop=tef"); | |
f15731c4 | 559 | #elif defined (__vxworks) |
1fac938e | 560 | fd = open (path, O_RDONLY | o_fmode, 0444); |
561 | #else | |
562 | fd = open (path, O_RDONLY | o_fmode); | |
563 | #endif | |
f15731c4 | 564 | |
1fac938e | 565 | return fd < 0 ? -1 : fd; |
566 | } | |
567 | ||
9dfe12ae | 568 | #if defined (__EMX__) || defined (__MINGW32__) |
1fac938e | 569 | #define PERM (S_IREAD | S_IWRITE) |
9dfe12ae | 570 | #elif defined (VMS) |
571 | /* Excerpt from DECC C RTL Reference Manual: | |
572 | To create files with OpenVMS RMS default protections using the UNIX | |
573 | system-call functions umask, mkdir, creat, and open, call mkdir, creat, | |
574 | and open with a file-protection mode argument of 0777 in a program | |
575 | that never specifically calls umask. These default protections include | |
576 | correctly establishing protections based on ACLs, previous versions of | |
577 | files, and so on. */ | |
578 | #define PERM 0777 | |
1fac938e | 579 | #else |
580 | #define PERM (S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH | S_IWOTH) | |
581 | #endif | |
582 | ||
583 | int | |
9dfe12ae | 584 | __gnat_open_rw (char *path, int fmode) |
1fac938e | 585 | { |
586 | int fd; | |
587 | int o_fmode = O_BINARY; | |
588 | ||
589 | if (fmode) | |
590 | o_fmode = O_TEXT; | |
591 | ||
f15731c4 | 592 | #if defined (VMS) |
1fac938e | 593 | fd = open (path, O_RDWR | o_fmode, PERM, |
594 | "mbc=16", "deq=64", "fop=tef"); | |
595 | #else | |
596 | fd = open (path, O_RDWR | o_fmode, PERM); | |
597 | #endif | |
598 | ||
599 | return fd < 0 ? -1 : fd; | |
600 | } | |
601 | ||
602 | int | |
9dfe12ae | 603 | __gnat_open_create (char *path, int fmode) |
1fac938e | 604 | { |
605 | int fd; | |
606 | int o_fmode = O_BINARY; | |
607 | ||
608 | if (fmode) | |
609 | o_fmode = O_TEXT; | |
610 | ||
f15731c4 | 611 | #if defined (VMS) |
1fac938e | 612 | fd = open (path, O_WRONLY | O_CREAT | O_TRUNC | o_fmode, PERM, |
613 | "mbc=16", "deq=64", "fop=tef"); | |
614 | #else | |
615 | fd = open (path, O_WRONLY | O_CREAT | O_TRUNC | o_fmode, PERM); | |
616 | #endif | |
617 | ||
618 | return fd < 0 ? -1 : fd; | |
28ed91d4 | 619 | } |
620 | ||
621 | int | |
622 | __gnat_create_output_file (char *path) | |
623 | { | |
624 | int fd; | |
625 | #if defined (VMS) | |
626 | fd = open (path, O_WRONLY | O_CREAT | O_TRUNC | O_TEXT, PERM, | |
627 | "rfm=stmlf", "ctx=rec", "rat=none", "rop=nlk", | |
628 | "shr=del,get,put,upd"); | |
629 | #else | |
630 | fd = open (path, O_WRONLY | O_CREAT | O_TRUNC | O_TEXT, PERM); | |
631 | #endif | |
632 | ||
633 | return fd < 0 ? -1 : fd; | |
1fac938e | 634 | } |
635 | ||
636 | int | |
9dfe12ae | 637 | __gnat_open_append (char *path, int fmode) |
1fac938e | 638 | { |
639 | int fd; | |
640 | int o_fmode = O_BINARY; | |
641 | ||
642 | if (fmode) | |
643 | o_fmode = O_TEXT; | |
644 | ||
f15731c4 | 645 | #if defined (VMS) |
1fac938e | 646 | fd = open (path, O_WRONLY | O_CREAT | O_APPEND | o_fmode, PERM, |
647 | "mbc=16", "deq=64", "fop=tef"); | |
648 | #else | |
649 | fd = open (path, O_WRONLY | O_CREAT | O_APPEND | o_fmode, PERM); | |
650 | #endif | |
651 | ||
652 | return fd < 0 ? -1 : fd; | |
653 | } | |
654 | ||
f15731c4 | 655 | /* Open a new file. Return error (-1) if the file already exists. */ |
1fac938e | 656 | |
657 | int | |
9dfe12ae | 658 | __gnat_open_new (char *path, int fmode) |
1fac938e | 659 | { |
660 | int fd; | |
661 | int o_fmode = O_BINARY; | |
662 | ||
663 | if (fmode) | |
664 | o_fmode = O_TEXT; | |
665 | ||
f15731c4 | 666 | #if defined (VMS) |
1fac938e | 667 | fd = open (path, O_WRONLY | O_CREAT | O_EXCL | o_fmode, PERM, |
668 | "mbc=16", "deq=64", "fop=tef"); | |
669 | #else | |
670 | fd = open (path, O_WRONLY | O_CREAT | O_EXCL | o_fmode, PERM); | |
671 | #endif | |
672 | ||
673 | return fd < 0 ? -1 : fd; | |
674 | } | |
675 | ||
676 | /* Open a new temp file. Return error (-1) if the file already exists. | |
f15731c4 | 677 | Special options for VMS allow the file to be shared between parent and child |
678 | processes, however they really slow down output. Used in gnatchop. */ | |
1fac938e | 679 | |
680 | int | |
9dfe12ae | 681 | __gnat_open_new_temp (char *path, int fmode) |
1fac938e | 682 | { |
683 | int fd; | |
684 | int o_fmode = O_BINARY; | |
685 | ||
686 | strcpy (path, "GNAT-XXXXXX"); | |
687 | ||
be4b2f73 | 688 | #if (defined (__FreeBSD__) || defined (linux)) && !defined (__vxworks) |
1fac938e | 689 | return mkstemp (path); |
159eb63c | 690 | #elif defined (__Lynx__) |
691 | mktemp (path); | |
1fac938e | 692 | #else |
693 | if (mktemp (path) == NULL) | |
694 | return -1; | |
695 | #endif | |
696 | ||
697 | if (fmode) | |
698 | o_fmode = O_TEXT; | |
699 | ||
f15731c4 | 700 | #if defined (VMS) |
1fac938e | 701 | fd = open (path, O_WRONLY | O_CREAT | O_EXCL | o_fmode, PERM, |
702 | "rfm=stmlf", "ctx=rec", "rat=none", "shr=del,get,put,upd", | |
703 | "mbc=16", "deq=64", "fop=tef"); | |
704 | #else | |
705 | fd = open (path, O_WRONLY | O_CREAT | O_EXCL | o_fmode, PERM); | |
706 | #endif | |
707 | ||
708 | return fd < 0 ? -1 : fd; | |
709 | } | |
710 | ||
f15731c4 | 711 | /* Return the number of bytes in the specified file. */ |
1fac938e | 712 | |
713 | long | |
9dfe12ae | 714 | __gnat_file_length (int fd) |
1fac938e | 715 | { |
716 | int ret; | |
717 | struct stat statbuf; | |
718 | ||
719 | ret = fstat (fd, &statbuf); | |
720 | if (ret || !S_ISREG (statbuf.st_mode)) | |
721 | return 0; | |
722 | ||
723 | return (statbuf.st_size); | |
724 | } | |
725 | ||
d24d7e81 | 726 | /* Return the number of bytes in the specified named file. */ |
727 | ||
728 | long | |
729 | __gnat_named_file_length (char *name) | |
730 | { | |
731 | int ret; | |
732 | struct stat statbuf; | |
733 | ||
734 | ret = __gnat_stat (name, &statbuf); | |
735 | if (ret || !S_ISREG (statbuf.st_mode)) | |
736 | return 0; | |
737 | ||
738 | return (statbuf.st_size); | |
739 | } | |
740 | ||
1fac938e | 741 | /* Create a temporary filename and put it in string pointed to by |
f15731c4 | 742 | TMP_FILENAME. */ |
1fac938e | 743 | |
744 | void | |
9dfe12ae | 745 | __gnat_tmp_name (char *tmp_filename) |
1fac938e | 746 | { |
747 | #ifdef __MINGW32__ | |
748 | { | |
749 | char *pname; | |
750 | ||
751 | /* tempnam tries to create a temporary file in directory pointed to by | |
752 | TMP environment variable, in c:\temp if TMP is not set, and in | |
753 | directory specified by P_tmpdir in stdio.h if c:\temp does not | |
754 | exist. The filename will be created with the prefix "gnat-". */ | |
755 | ||
756 | pname = (char *) tempnam ("c:\\temp", "gnat-"); | |
757 | ||
9dfe12ae | 758 | /* if pname is NULL, the file was not created properly, the disk is full |
759 | or there is no more free temporary files */ | |
760 | ||
761 | if (pname == NULL) | |
762 | *tmp_filename = '\0'; | |
763 | ||
f15731c4 | 764 | /* If pname start with a back slash and not path information it means that |
765 | the filename is valid for the current working directory. */ | |
1fac938e | 766 | |
9dfe12ae | 767 | else if (pname[0] == '\\') |
1fac938e | 768 | { |
769 | strcpy (tmp_filename, ".\\"); | |
770 | strcat (tmp_filename, pname+1); | |
771 | } | |
772 | else | |
773 | strcpy (tmp_filename, pname); | |
774 | ||
775 | free (pname); | |
776 | } | |
f15731c4 | 777 | |
be4b2f73 | 778 | #elif defined (linux) || defined (__FreeBSD__) |
9dfe12ae | 779 | #define MAX_SAFE_PATH 1000 |
1fac938e | 780 | char *tmpdir = getenv ("TMPDIR"); |
781 | ||
9dfe12ae | 782 | /* If tmpdir is longer than MAX_SAFE_PATH, revert to default value to avoid |
783 | a buffer overflow. */ | |
784 | if (tmpdir == NULL || strlen (tmpdir) > MAX_SAFE_PATH) | |
1fac938e | 785 | strcpy (tmp_filename, "/tmp/gnat-XXXXXX"); |
786 | else | |
9dfe12ae | 787 | sprintf (tmp_filename, "%s/gnat-XXXXXX", tmpdir); |
1fac938e | 788 | |
789 | close (mkstemp(tmp_filename)); | |
790 | #else | |
791 | tmpnam (tmp_filename); | |
792 | #endif | |
793 | } | |
794 | ||
795 | /* Read the next entry in a directory. The returned string points somewhere | |
796 | in the buffer. */ | |
797 | ||
798 | char * | |
9dfe12ae | 799 | __gnat_readdir (DIR *dirp, char *buffer) |
1fac938e | 800 | { |
801 | /* If possible, try to use the thread-safe version. */ | |
802 | #ifdef HAVE_READDIR_R | |
803 | if (readdir_r (dirp, buffer) != NULL) | |
804 | return ((struct dirent*) buffer)->d_name; | |
805 | else | |
806 | return NULL; | |
807 | ||
808 | #else | |
5b941af6 | 809 | struct dirent *dirent = (struct dirent *) readdir (dirp); |
1fac938e | 810 | |
811 | if (dirent != NULL) | |
812 | { | |
813 | strcpy (buffer, dirent->d_name); | |
814 | return buffer; | |
815 | } | |
816 | else | |
817 | return NULL; | |
818 | ||
819 | #endif | |
820 | } | |
821 | ||
822 | /* Returns 1 if readdir is thread safe, 0 otherwise. */ | |
823 | ||
824 | int | |
6f2c2693 | 825 | __gnat_readdir_is_thread_safe (void) |
1fac938e | 826 | { |
827 | #ifdef HAVE_READDIR_R | |
828 | return 1; | |
829 | #else | |
830 | return 0; | |
831 | #endif | |
832 | } | |
833 | ||
834 | #ifdef _WIN32 | |
982e2721 | 835 | /* Number of seconds between <Jan 1st 1601> and <Jan 1st 1970>. */ |
836 | static const unsigned long long w32_epoch_offset = 11644473600ULL; | |
1fac938e | 837 | |
838 | /* Returns the file modification timestamp using Win32 routines which are | |
839 | immune against daylight saving time change. It is in fact not possible to | |
840 | use fstat for this purpose as the DST modify the st_mtime field of the | |
841 | stat structure. */ | |
842 | ||
843 | static time_t | |
9dfe12ae | 844 | win32_filetime (HANDLE h) |
1fac938e | 845 | { |
982e2721 | 846 | union |
847 | { | |
848 | FILETIME ft_time; | |
849 | unsigned long long ull_time; | |
850 | } t_write; | |
1fac938e | 851 | |
852 | /* GetFileTime returns FILETIME data which are the number of 100 nanosecs | |
853 | since <Jan 1st 1601>. This function must return the number of seconds | |
854 | since <Jan 1st 1970>. */ | |
855 | ||
982e2721 | 856 | if (GetFileTime (h, NULL, NULL, &t_write.ft_time)) |
857 | return (time_t) (t_write.ull_time / 10000000ULL | |
858 | - w32_epoch_offset); | |
859 | return (time_t) 0; | |
1fac938e | 860 | } |
861 | #endif | |
862 | ||
863 | /* Return a GNAT time stamp given a file name. */ | |
864 | ||
1bbc9831 | 865 | OS_Time |
9dfe12ae | 866 | __gnat_file_time_name (char *name) |
1fac938e | 867 | { |
1fac938e | 868 | |
869 | #if defined (__EMX__) || defined (MSDOS) | |
870 | int fd = open (name, O_RDONLY | O_BINARY); | |
871 | time_t ret = __gnat_file_time_fd (fd); | |
872 | close (fd); | |
1bbc9831 | 873 | return (OS_Time)ret; |
1fac938e | 874 | |
875 | #elif defined (_WIN32) | |
982e2721 | 876 | time_t ret = 0; |
1fac938e | 877 | HANDLE h = CreateFile (name, GENERIC_READ, FILE_SHARE_READ, 0, |
878 | OPEN_EXISTING, FILE_FLAG_BACKUP_SEMANTICS, 0); | |
fabb7dc5 | 879 | |
982e2721 | 880 | if (h != INVALID_HANDLE_VALUE) |
881 | { | |
882 | ret = win32_filetime (h); | |
883 | CloseHandle (h); | |
884 | } | |
1bbc9831 | 885 | return (OS_Time) ret; |
1fac938e | 886 | #else |
f0a28ccb | 887 | struct stat statbuf; |
1bbc9831 | 888 | if (__gnat_stat (name, &statbuf) != 0) { |
889 | return (OS_Time)-1; | |
890 | } else { | |
1fac938e | 891 | #ifdef VMS |
1bbc9831 | 892 | /* VMS has file versioning. */ |
893 | return (OS_Time)statbuf.st_ctime; | |
1fac938e | 894 | #else |
1bbc9831 | 895 | return (OS_Time)statbuf.st_mtime; |
1fac938e | 896 | #endif |
1bbc9831 | 897 | } |
1fac938e | 898 | #endif |
899 | } | |
900 | ||
901 | /* Return a GNAT time stamp given a file descriptor. */ | |
902 | ||
1bbc9831 | 903 | OS_Time |
9dfe12ae | 904 | __gnat_file_time_fd (int fd) |
1fac938e | 905 | { |
906 | /* The following workaround code is due to the fact that under EMX and | |
907 | DJGPP fstat attempts to convert time values to GMT rather than keep the | |
908 | actual OS timestamp of the file. By using the OS2/DOS functions directly | |
909 | the GNAT timestamp are independent of this behavior, which is desired to | |
f15731c4 | 910 | facilitate the distribution of GNAT compiled libraries. */ |
1fac938e | 911 | |
912 | #if defined (__EMX__) || defined (MSDOS) | |
913 | #ifdef __EMX__ | |
914 | ||
915 | FILESTATUS fs; | |
916 | int ret = DosQueryFileInfo (fd, 1, (unsigned char *) &fs, | |
917 | sizeof (FILESTATUS)); | |
918 | ||
919 | unsigned file_year = fs.fdateLastWrite.year; | |
920 | unsigned file_month = fs.fdateLastWrite.month; | |
921 | unsigned file_day = fs.fdateLastWrite.day; | |
922 | unsigned file_hour = fs.ftimeLastWrite.hours; | |
923 | unsigned file_min = fs.ftimeLastWrite.minutes; | |
924 | unsigned file_tsec = fs.ftimeLastWrite.twosecs; | |
925 | ||
926 | #else | |
927 | struct ftime fs; | |
928 | int ret = getftime (fd, &fs); | |
929 | ||
930 | unsigned file_year = fs.ft_year; | |
931 | unsigned file_month = fs.ft_month; | |
932 | unsigned file_day = fs.ft_day; | |
933 | unsigned file_hour = fs.ft_hour; | |
934 | unsigned file_min = fs.ft_min; | |
935 | unsigned file_tsec = fs.ft_tsec; | |
936 | #endif | |
937 | ||
938 | /* Calculate the seconds since epoch from the time components. First count | |
939 | the whole days passed. The value for years returned by the DOS and OS2 | |
940 | functions count years from 1980, so to compensate for the UNIX epoch which | |
941 | begins in 1970 start with 10 years worth of days and add days for each | |
f15731c4 | 942 | four year period since then. */ |
1fac938e | 943 | |
944 | time_t tot_secs; | |
f15731c4 | 945 | int cum_days[12] = {0, 31, 59, 90, 120, 151, 181, 212, 243, 273, 304, 334}; |
1fac938e | 946 | int days_passed = 3652 + (file_year / 4) * 1461; |
947 | int years_since_leap = file_year % 4; | |
948 | ||
949 | if (years_since_leap == 1) | |
950 | days_passed += 366; | |
951 | else if (years_since_leap == 2) | |
952 | days_passed += 731; | |
953 | else if (years_since_leap == 3) | |
954 | days_passed += 1096; | |
955 | ||
956 | if (file_year > 20) | |
957 | days_passed -= 1; | |
958 | ||
f15731c4 | 959 | days_passed += cum_days[file_month - 1]; |
1fac938e | 960 | if (years_since_leap == 0 && file_year != 20 && file_month > 2) |
961 | days_passed++; | |
962 | ||
963 | days_passed += file_day - 1; | |
964 | ||
f15731c4 | 965 | /* OK - have whole days. Multiply -- then add in other parts. */ |
1fac938e | 966 | |
967 | tot_secs = days_passed * 86400; | |
968 | tot_secs += file_hour * 3600; | |
969 | tot_secs += file_min * 60; | |
970 | tot_secs += file_tsec * 2; | |
1bbc9831 | 971 | return (OS_Time) tot_secs; |
1fac938e | 972 | |
973 | #elif defined (_WIN32) | |
974 | HANDLE h = (HANDLE) _get_osfhandle (fd); | |
975 | time_t ret = win32_filetime (h); | |
1bbc9831 | 976 | return (OS_Time) ret; |
1fac938e | 977 | |
978 | #else | |
979 | struct stat statbuf; | |
980 | ||
1bbc9831 | 981 | if (fstat (fd, &statbuf) != 0) { |
982 | return (OS_Time) -1; | |
983 | } else { | |
1fac938e | 984 | #ifdef VMS |
1bbc9831 | 985 | /* VMS has file versioning. */ |
986 | return (OS_Time) statbuf.st_ctime; | |
1fac938e | 987 | #else |
1bbc9831 | 988 | return (OS_Time) statbuf.st_mtime; |
1fac938e | 989 | #endif |
1bbc9831 | 990 | } |
1fac938e | 991 | #endif |
992 | } | |
993 | ||
f15731c4 | 994 | /* Set the file time stamp. */ |
d8dd2062 | 995 | |
996 | void | |
9dfe12ae | 997 | __gnat_set_file_time_name (char *name, time_t time_stamp) |
d8dd2062 | 998 | { |
982e2721 | 999 | #if defined (__EMX__) || defined (MSDOS) || defined (__vxworks) |
71a3e619 | 1000 | |
f15731c4 | 1001 | /* Code to implement __gnat_set_file_time_name for these systems. */ |
71a3e619 | 1002 | |
982e2721 | 1003 | #elif defined (_WIN32) |
1004 | union | |
1005 | { | |
1006 | FILETIME ft_time; | |
1007 | unsigned long long ull_time; | |
1008 | } t_write; | |
fabb7dc5 | 1009 | |
982e2721 | 1010 | HANDLE h = CreateFile (name, GENERIC_WRITE, FILE_SHARE_WRITE, NULL, |
1011 | OPEN_EXISTING, FILE_FLAG_BACKUP_SEMANTICS, | |
1012 | NULL); | |
1013 | if (h == INVALID_HANDLE_VALUE) | |
1014 | return; | |
1015 | /* Add number of seconds between <Jan 1st 1601> and <Jan 1st 1970> */ | |
1016 | t_write.ull_time = ((unsigned long long)time_stamp + w32_epoch_offset); | |
1017 | /* Convert to 100 nanosecond units */ | |
1018 | t_write.ull_time *= 10000000ULL; | |
1019 | ||
1020 | SetFileTime(h, NULL, NULL, &t_write.ft_time); | |
1021 | CloseHandle (h); | |
1022 | return; | |
1023 | ||
d8dd2062 | 1024 | #elif defined (VMS) |
1025 | struct FAB fab; | |
1026 | struct NAM nam; | |
1027 | ||
1028 | struct | |
1029 | { | |
1030 | unsigned long long backup, create, expire, revise; | |
1031 | unsigned long uic; | |
1032 | union | |
1033 | { | |
1034 | unsigned short value; | |
1035 | struct | |
1036 | { | |
1037 | unsigned system : 4; | |
1038 | unsigned owner : 4; | |
1039 | unsigned group : 4; | |
1040 | unsigned world : 4; | |
1041 | } bits; | |
1042 | } prot; | |
f15731c4 | 1043 | } Fat = { 0, 0, 0, 0, 0, { 0 }}; |
d8dd2062 | 1044 | |
f15731c4 | 1045 | ATRDEF atrlst[] |
d8dd2062 | 1046 | = { |
1047 | { ATR$S_CREDATE, ATR$C_CREDATE, &Fat.create }, | |
1048 | { ATR$S_REVDATE, ATR$C_REVDATE, &Fat.revise }, | |
1049 | { ATR$S_EXPDATE, ATR$C_EXPDATE, &Fat.expire }, | |
1050 | { ATR$S_BAKDATE, ATR$C_BAKDATE, &Fat.backup }, | |
f15731c4 | 1051 | { ATR$S_FPRO, ATR$C_FPRO, &Fat.prot }, |
d8dd2062 | 1052 | { ATR$S_UIC, ATR$C_UIC, &Fat.uic }, |
1053 | { 0, 0, 0} | |
1054 | }; | |
1055 | ||
1056 | FIBDEF fib; | |
1057 | struct dsc$descriptor_fib fibdsc = {sizeof (fib), (void *) &fib}; | |
1058 | ||
1059 | struct IOSB iosb; | |
1060 | ||
1061 | unsigned long long newtime; | |
1062 | unsigned long long revtime; | |
1063 | long status; | |
1064 | short chan; | |
1065 | ||
1066 | struct vstring file; | |
1067 | struct dsc$descriptor_s filedsc | |
1068 | = {NAM$C_MAXRSS, DSC$K_DTYPE_T, DSC$K_CLASS_S, (void *) file.string}; | |
1069 | struct vstring device; | |
1070 | struct dsc$descriptor_s devicedsc | |
1071 | = {NAM$C_MAXRSS, DSC$K_DTYPE_T, DSC$K_CLASS_S, (void *) device.string}; | |
1072 | struct vstring timev; | |
1073 | struct dsc$descriptor_s timedsc | |
1074 | = {NAM$C_MAXRSS, DSC$K_DTYPE_T, DSC$K_CLASS_S, (void *) timev.string}; | |
1075 | struct vstring result; | |
1076 | struct dsc$descriptor_s resultdsc | |
1077 | = {NAM$C_MAXRSS, DSC$K_DTYPE_VT, DSC$K_CLASS_VS, (void *) result.string}; | |
1078 | ||
1079 | tryfile = (char *) __gnat_to_host_dir_spec (name, 0); | |
1080 | ||
f15731c4 | 1081 | /* Allocate and initialize a FAB and NAM structures. */ |
d8dd2062 | 1082 | fab = cc$rms_fab; |
1083 | nam = cc$rms_nam; | |
1084 | ||
1085 | nam.nam$l_esa = file.string; | |
1086 | nam.nam$b_ess = NAM$C_MAXRSS; | |
1087 | nam.nam$l_rsa = result.string; | |
1088 | nam.nam$b_rss = NAM$C_MAXRSS; | |
1089 | fab.fab$l_fna = tryfile; | |
1090 | fab.fab$b_fns = strlen (tryfile); | |
1091 | fab.fab$l_nam = &nam; | |
1092 | ||
f15731c4 | 1093 | /* Validate filespec syntax and device existence. */ |
d8dd2062 | 1094 | status = SYS$PARSE (&fab, 0, 0); |
1095 | if ((status & 1) != 1) | |
1096 | LIB$SIGNAL (status); | |
1097 | ||
f15731c4 | 1098 | file.string[nam.nam$b_esl] = 0; |
d8dd2062 | 1099 | |
f15731c4 | 1100 | /* Find matching filespec. */ |
d8dd2062 | 1101 | status = SYS$SEARCH (&fab, 0, 0); |
1102 | if ((status & 1) != 1) | |
1103 | LIB$SIGNAL (status); | |
1104 | ||
f15731c4 | 1105 | file.string[nam.nam$b_esl] = 0; |
1106 | result.string[result.length=nam.nam$b_rsl] = 0; | |
d8dd2062 | 1107 | |
f15731c4 | 1108 | /* Get the device name and assign an IO channel. */ |
d8dd2062 | 1109 | strncpy (device.string, nam.nam$l_dev, nam.nam$b_dev); |
1110 | devicedsc.dsc$w_length = nam.nam$b_dev; | |
1111 | chan = 0; | |
1112 | status = SYS$ASSIGN (&devicedsc, &chan, 0, 0, 0); | |
1113 | if ((status & 1) != 1) | |
1114 | LIB$SIGNAL (status); | |
1115 | ||
f15731c4 | 1116 | /* Initialize the FIB and fill in the directory id field. */ |
1117 | memset (&fib, 0, sizeof (fib)); | |
1118 | fib.fib$w_did[0] = nam.nam$w_did[0]; | |
1119 | fib.fib$w_did[1] = nam.nam$w_did[1]; | |
1120 | fib.fib$w_did[2] = nam.nam$w_did[2]; | |
d8dd2062 | 1121 | fib.fib$l_acctl = 0; |
1122 | fib.fib$l_wcc = 0; | |
1123 | strcpy (file.string, (strrchr (result.string, ']') + 1)); | |
1124 | filedsc.dsc$w_length = strlen (file.string); | |
f15731c4 | 1125 | result.string[result.length = 0] = 0; |
d8dd2062 | 1126 | |
1127 | /* Open and close the file to fill in the attributes. */ | |
1128 | status | |
1129 | = SYS$QIOW (0, chan, IO$_ACCESS|IO$M_ACCESS, &iosb, 0, 0, | |
1130 | &fibdsc, &filedsc, &result.length, &resultdsc, &atrlst, 0); | |
1131 | if ((status & 1) != 1) | |
1132 | LIB$SIGNAL (status); | |
1133 | if ((iosb.status & 1) != 1) | |
1134 | LIB$SIGNAL (iosb.status); | |
1135 | ||
f15731c4 | 1136 | result.string[result.length] = 0; |
1137 | status = SYS$QIOW (0, chan, IO$_DEACCESS, &iosb, 0, 0, &fibdsc, 0, 0, 0, | |
1138 | &atrlst, 0); | |
d8dd2062 | 1139 | if ((status & 1) != 1) |
1140 | LIB$SIGNAL (status); | |
1141 | if ((iosb.status & 1) != 1) | |
1142 | LIB$SIGNAL (iosb.status); | |
1143 | ||
d8dd2062 | 1144 | { |
1145 | time_t t; | |
f15731c4 | 1146 | |
1147 | /* Set creation time to requested time. */ | |
9dfe12ae | 1148 | unix_time_to_vms (time_stamp, newtime); |
f15731c4 | 1149 | |
d8dd2062 | 1150 | t = time ((time_t) 0); |
d8dd2062 | 1151 | |
f15731c4 | 1152 | /* Set revision time to now in local time. */ |
9dfe12ae | 1153 | unix_time_to_vms (t, revtime); |
d8dd2062 | 1154 | } |
1155 | ||
f15731c4 | 1156 | /* Reopen the file, modify the times and then close. */ |
d8dd2062 | 1157 | fib.fib$l_acctl = FIB$M_WRITE; |
1158 | status | |
1159 | = SYS$QIOW (0, chan, IO$_ACCESS|IO$M_ACCESS, &iosb, 0, 0, | |
1160 | &fibdsc, &filedsc, &result.length, &resultdsc, &atrlst, 0); | |
1161 | if ((status & 1) != 1) | |
1162 | LIB$SIGNAL (status); | |
1163 | if ((iosb.status & 1) != 1) | |
1164 | LIB$SIGNAL (iosb.status); | |
1165 | ||
1166 | Fat.create = newtime; | |
1167 | Fat.revise = revtime; | |
1168 | ||
1169 | status = SYS$QIOW (0, chan, IO$_DEACCESS, &iosb, 0, 0, | |
1170 | &fibdsc, 0, 0, 0, &atrlst, 0); | |
1171 | if ((status & 1) != 1) | |
1172 | LIB$SIGNAL (status); | |
1173 | if ((iosb.status & 1) != 1) | |
1174 | LIB$SIGNAL (iosb.status); | |
1175 | ||
f15731c4 | 1176 | /* Deassign the channel and exit. */ |
d8dd2062 | 1177 | status = SYS$DASSGN (chan); |
1178 | if ((status & 1) != 1) | |
1179 | LIB$SIGNAL (status); | |
1180 | #else | |
1181 | struct utimbuf utimbuf; | |
1182 | time_t t; | |
1183 | ||
f15731c4 | 1184 | /* Set modification time to requested time. */ |
d8dd2062 | 1185 | utimbuf.modtime = time_stamp; |
1186 | ||
f15731c4 | 1187 | /* Set access time to now in local time. */ |
d8dd2062 | 1188 | t = time ((time_t) 0); |
1189 | utimbuf.actime = mktime (localtime (&t)); | |
1190 | ||
1191 | utime (name, &utimbuf); | |
1192 | #endif | |
1193 | } | |
1194 | ||
1fac938e | 1195 | void |
9dfe12ae | 1196 | __gnat_get_env_value_ptr (char *name, int *len, char **value) |
1fac938e | 1197 | { |
1198 | *value = getenv (name); | |
1199 | if (!*value) | |
1200 | *len = 0; | |
1201 | else | |
1202 | *len = strlen (*value); | |
1203 | ||
1204 | return; | |
1205 | } | |
1206 | ||
1207 | /* VMS specific declarations for set_env_value. */ | |
1208 | ||
1209 | #ifdef VMS | |
1210 | ||
9dfe12ae | 1211 | static char *to_host_path_spec (char *); |
1fac938e | 1212 | |
1213 | struct descriptor_s | |
1214 | { | |
1215 | unsigned short len, mbz; | |
1216 | char *adr; | |
1217 | }; | |
1218 | ||
1219 | typedef struct _ile3 | |
1220 | { | |
1221 | unsigned short len, code; | |
1222 | char *adr; | |
1223 | unsigned short *retlen_adr; | |
1224 | } ile_s; | |
1225 | ||
1226 | #endif | |
1227 | ||
1228 | void | |
9dfe12ae | 1229 | __gnat_set_env_value (char *name, char *value) |
1fac938e | 1230 | { |
1231 | #ifdef MSDOS | |
1232 | ||
1233 | #elif defined (VMS) | |
1234 | struct descriptor_s name_desc; | |
f15731c4 | 1235 | /* Put in JOB table for now, so that the project stuff at least works. */ |
1fac938e | 1236 | struct descriptor_s table_desc = {7, 0, "LNM$JOB"}; |
9dfe12ae | 1237 | char *host_pathspec = value; |
1fac938e | 1238 | char *copy_pathspec; |
1239 | int num_dirs_in_pathspec = 1; | |
1240 | char *ptr; | |
9dfe12ae | 1241 | long status; |
1fac938e | 1242 | |
1243 | name_desc.len = strlen (name); | |
1244 | name_desc.mbz = 0; | |
1245 | name_desc.adr = name; | |
1246 | ||
9dfe12ae | 1247 | if (*host_pathspec == 0) |
1248 | /* deassign */ | |
1249 | { | |
1250 | status = LIB$DELETE_LOGICAL (&name_desc, &table_desc); | |
1251 | /* no need to check status; if the logical name is not | |
1252 | defined, that's fine. */ | |
1253 | return; | |
1254 | } | |
1255 | ||
1fac938e | 1256 | ptr = host_pathspec; |
1257 | while (*ptr++) | |
1258 | if (*ptr == ',') | |
1259 | num_dirs_in_pathspec++; | |
1260 | ||
1261 | { | |
1262 | int i, status; | |
1263 | ile_s *ile_array = alloca (sizeof (ile_s) * (num_dirs_in_pathspec + 1)); | |
1264 | char *copy_pathspec = alloca (strlen (host_pathspec) + 1); | |
1265 | char *curr, *next; | |
1266 | ||
1267 | strcpy (copy_pathspec, host_pathspec); | |
1268 | curr = copy_pathspec; | |
1269 | for (i = 0; i < num_dirs_in_pathspec; i++) | |
1270 | { | |
1271 | next = strchr (curr, ','); | |
1272 | if (next == 0) | |
1273 | next = strchr (curr, 0); | |
1274 | ||
1275 | *next = 0; | |
f15731c4 | 1276 | ile_array[i].len = strlen (curr); |
1fac938e | 1277 | |
f15731c4 | 1278 | /* Code 2 from lnmdef.h means its a string. */ |
1279 | ile_array[i].code = 2; | |
1280 | ile_array[i].adr = curr; | |
1fac938e | 1281 | |
f15731c4 | 1282 | /* retlen_adr is ignored. */ |
1283 | ile_array[i].retlen_adr = 0; | |
1fac938e | 1284 | curr = next + 1; |
1285 | } | |
1286 | ||
f15731c4 | 1287 | /* Terminating item must be zero. */ |
1288 | ile_array[i].len = 0; | |
1289 | ile_array[i].code = 0; | |
1290 | ile_array[i].adr = 0; | |
1291 | ile_array[i].retlen_adr = 0; | |
1fac938e | 1292 | |
1293 | status = LIB$SET_LOGICAL (&name_desc, 0, &table_desc, 0, ile_array); | |
1294 | if ((status & 1) != 1) | |
1295 | LIB$SIGNAL (status); | |
1296 | } | |
1297 | ||
1298 | #else | |
1299 | int size = strlen (name) + strlen (value) + 2; | |
1300 | char *expression; | |
1301 | ||
1302 | expression = (char *) xmalloc (size * sizeof (char)); | |
1303 | ||
1304 | sprintf (expression, "%s=%s", name, value); | |
1305 | putenv (expression); | |
1306 | #endif | |
1307 | } | |
1308 | ||
1309 | #ifdef _WIN32 | |
1310 | #include <windows.h> | |
1311 | #endif | |
1312 | ||
1313 | /* Get the list of installed standard libraries from the | |
1314 | HKEY_LOCAL_MACHINE\SOFTWARE\Ada Core Technologies\GNAT\Standard Libraries | |
1315 | key. */ | |
1316 | ||
1317 | char * | |
6f2c2693 | 1318 | __gnat_get_libraries_from_registry (void) |
1fac938e | 1319 | { |
1320 | char *result = (char *) ""; | |
1321 | ||
1322 | #if defined (_WIN32) && ! defined (__vxworks) && ! defined (CROSS_COMPILE) | |
1323 | ||
1324 | HKEY reg_key; | |
1325 | DWORD name_size, value_size; | |
1326 | char name[256]; | |
1327 | char value[256]; | |
1328 | DWORD type; | |
1329 | DWORD index; | |
1330 | LONG res; | |
1331 | ||
1332 | /* First open the key. */ | |
1333 | res = RegOpenKeyExA (HKEY_LOCAL_MACHINE, "SOFTWARE", 0, KEY_READ, ®_key); | |
1334 | ||
1335 | if (res == ERROR_SUCCESS) | |
1336 | res = RegOpenKeyExA (reg_key, "Ada Core Technologies", 0, | |
1337 | KEY_READ, ®_key); | |
1338 | ||
1339 | if (res == ERROR_SUCCESS) | |
1340 | res = RegOpenKeyExA (reg_key, "GNAT", 0, KEY_READ, ®_key); | |
1341 | ||
1342 | if (res == ERROR_SUCCESS) | |
1343 | res = RegOpenKeyExA (reg_key, "Standard Libraries", 0, KEY_READ, ®_key); | |
1344 | ||
1345 | /* If the key exists, read out all the values in it and concatenate them | |
1346 | into a path. */ | |
1347 | for (index = 0; res == ERROR_SUCCESS; index++) | |
1348 | { | |
1349 | value_size = name_size = 256; | |
1350 | res = RegEnumValue (reg_key, index, name, &name_size, 0, | |
1351 | &type, value, &value_size); | |
1352 | ||
1353 | if (res == ERROR_SUCCESS && type == REG_SZ) | |
1354 | { | |
1355 | char *old_result = result; | |
1356 | ||
1357 | result = (char *) xmalloc (strlen (old_result) + value_size + 2); | |
1358 | strcpy (result, old_result); | |
1359 | strcat (result, value); | |
1360 | strcat (result, ";"); | |
1361 | } | |
1362 | } | |
1363 | ||
1364 | /* Remove the trailing ";". */ | |
1365 | if (result[0] != 0) | |
1366 | result[strlen (result) - 1] = 0; | |
1367 | ||
1368 | #endif | |
1369 | return result; | |
1370 | } | |
1371 | ||
1372 | int | |
9dfe12ae | 1373 | __gnat_stat (char *name, struct stat *statbuf) |
1fac938e | 1374 | { |
1375 | #ifdef _WIN32 | |
1376 | /* Under Windows the directory name for the stat function must not be | |
1377 | terminated by a directory separator except if just after a drive name. */ | |
1378 | int name_len = strlen (name); | |
f15731c4 | 1379 | char last_char = name[name_len - 1]; |
e7b2d6bc | 1380 | char win32_name[GNAT_MAX_PATH_LEN + 2]; |
1381 | ||
1382 | if (name_len > GNAT_MAX_PATH_LEN) | |
1383 | return -1; | |
1fac938e | 1384 | |
1385 | strcpy (win32_name, name); | |
1386 | ||
1387 | while (name_len > 1 && (last_char == '\\' || last_char == '/')) | |
1388 | { | |
f15731c4 | 1389 | win32_name[name_len - 1] = '\0'; |
1fac938e | 1390 | name_len--; |
1391 | last_char = win32_name[name_len - 1]; | |
1392 | } | |
1393 | ||
f15731c4 | 1394 | if (name_len == 2 && win32_name[1] == ':') |
1fac938e | 1395 | strcat (win32_name, "\\"); |
1396 | ||
1397 | return stat (win32_name, statbuf); | |
1398 | ||
1399 | #else | |
1400 | return stat (name, statbuf); | |
1401 | #endif | |
1402 | } | |
1403 | ||
1404 | int | |
9dfe12ae | 1405 | __gnat_file_exists (char *name) |
1fac938e | 1406 | { |
1407 | struct stat statbuf; | |
1408 | ||
1409 | return !__gnat_stat (name, &statbuf); | |
1410 | } | |
1411 | ||
9dfe12ae | 1412 | int |
4a3f445c | 1413 | __gnat_is_absolute_path (char *name, int length) |
1fac938e | 1414 | { |
4a3f445c | 1415 | return (length != 0) && |
1416 | (*name == '/' || *name == DIR_SEPARATOR | |
f15731c4 | 1417 | #if defined (__EMX__) || defined (MSDOS) || defined (WINNT) |
4a3f445c | 1418 | || (length > 1 && isalpha (name[0]) && name[1] == ':') |
1fac938e | 1419 | #endif |
1420 | ); | |
1421 | } | |
1422 | ||
1423 | int | |
9dfe12ae | 1424 | __gnat_is_regular_file (char *name) |
1fac938e | 1425 | { |
1426 | int ret; | |
1427 | struct stat statbuf; | |
1428 | ||
1429 | ret = __gnat_stat (name, &statbuf); | |
1430 | return (!ret && S_ISREG (statbuf.st_mode)); | |
1431 | } | |
1432 | ||
1433 | int | |
9dfe12ae | 1434 | __gnat_is_directory (char *name) |
1fac938e | 1435 | { |
1436 | int ret; | |
1437 | struct stat statbuf; | |
1438 | ||
1439 | ret = __gnat_stat (name, &statbuf); | |
1440 | return (!ret && S_ISDIR (statbuf.st_mode)); | |
1441 | } | |
1442 | ||
1443 | int | |
9dfe12ae | 1444 | __gnat_is_readable_file (char *name) |
1445 | { | |
1446 | int ret; | |
1447 | int mode; | |
1448 | struct stat statbuf; | |
1449 | ||
1450 | ret = __gnat_stat (name, &statbuf); | |
1451 | mode = statbuf.st_mode & S_IRUSR; | |
1452 | return (!ret && mode); | |
1453 | } | |
1454 | ||
1455 | int | |
1456 | __gnat_is_writable_file (char *name) | |
1fac938e | 1457 | { |
1458 | int ret; | |
1459 | int mode; | |
1460 | struct stat statbuf; | |
1461 | ||
1462 | ret = __gnat_stat (name, &statbuf); | |
1463 | mode = statbuf.st_mode & S_IWUSR; | |
1464 | return (!ret && mode); | |
1465 | } | |
1466 | ||
9dfe12ae | 1467 | void |
1468 | __gnat_set_writable (char *name) | |
1469 | { | |
1470 | #ifndef __vxworks | |
1471 | struct stat statbuf; | |
1472 | ||
1473 | if (stat (name, &statbuf) == 0) | |
1474 | { | |
1475 | statbuf.st_mode = statbuf.st_mode | S_IWUSR; | |
1476 | chmod (name, statbuf.st_mode); | |
1477 | } | |
1478 | #endif | |
1479 | } | |
1480 | ||
5329ca64 | 1481 | void |
1482 | __gnat_set_executable (char *name) | |
1483 | { | |
1484 | #ifndef __vxworks | |
1485 | struct stat statbuf; | |
1486 | ||
1487 | if (stat (name, &statbuf) == 0) | |
1488 | { | |
1489 | statbuf.st_mode = statbuf.st_mode | S_IXUSR; | |
1490 | chmod (name, statbuf.st_mode); | |
1491 | } | |
1492 | #endif | |
1493 | } | |
1494 | ||
9dfe12ae | 1495 | void |
1496 | __gnat_set_readonly (char *name) | |
1497 | { | |
1498 | #ifndef __vxworks | |
1499 | struct stat statbuf; | |
1500 | ||
1501 | if (stat (name, &statbuf) == 0) | |
1502 | { | |
1503 | statbuf.st_mode = statbuf.st_mode & 07577; | |
1504 | chmod (name, statbuf.st_mode); | |
1505 | } | |
1506 | #endif | |
1507 | } | |
1508 | ||
1509 | int | |
f0a28ccb | 1510 | __gnat_is_symbolic_link (char *name ATTRIBUTE_UNUSED) |
9dfe12ae | 1511 | { |
1512 | #if defined (__vxworks) | |
1513 | return 0; | |
1514 | ||
1515 | #elif defined (_AIX) || defined (unix) | |
1516 | int ret; | |
1517 | struct stat statbuf; | |
1518 | ||
1519 | ret = lstat (name, &statbuf); | |
1520 | return (!ret && S_ISLNK (statbuf.st_mode)); | |
1521 | ||
1522 | #else | |
1523 | return 0; | |
1524 | #endif | |
1525 | } | |
1526 | ||
1fac938e | 1527 | #ifdef VMS |
f15731c4 | 1528 | /* Defined in VMS header files. */ |
cafd02b3 | 1529 | #if defined (__ALPHA) |
1fac938e | 1530 | #define fork() (decc$$alloc_vfork_blocks() >= 0 ? \ |
cafd02b3 | 1531 | LIB$GET_CURRENT_INVO_CONTEXT (decc$$get_vfork_jmpbuf()) : -1) |
1532 | #elif defined (__IA64) | |
1533 | #define fork() (decc$$alloc_vfork_blocks() >= 0 ? \ | |
1534 | LIB$I64_GET_CURR_INVO_CONTEXT(decc$$get_vfork_jmpbuf()) : -1) | |
1535 | #endif | |
1fac938e | 1536 | #endif |
1537 | ||
1538 | #if defined (sun) && defined (__SVR4) | |
1539 | /* Using fork on Solaris will duplicate all the threads. fork1, which | |
1540 | duplicates only the active thread, must be used instead, or spawning | |
1541 | subprocess from a program with tasking will lead into numerous problems. */ | |
1542 | #define fork fork1 | |
1543 | #endif | |
1544 | ||
1545 | int | |
9dfe12ae | 1546 | __gnat_portable_spawn (char *args[]) |
1fac938e | 1547 | { |
1548 | int status = 0; | |
f0a28ccb | 1549 | int finished ATTRIBUTE_UNUSED; |
1550 | int pid ATTRIBUTE_UNUSED; | |
1fac938e | 1551 | |
1552 | #if defined (MSDOS) || defined (_WIN32) | |
f270dc82 | 1553 | /* args[0] must be quotes as it could contain a full pathname with spaces */ |
1554 | const char *args_0 = args[0]; | |
1555 | args[0] = (char *)xmalloc (strlen (args_0) + 3); | |
1556 | strcpy (args[0], "\""); | |
1557 | strcat (args[0], args_0); | |
1558 | strcat (args[0], "\""); | |
1559 | ||
1560 | status = spawnvp (P_WAIT, args_0, (const char* const*)args); | |
1561 | ||
1562 | /* restore previous value */ | |
1563 | free (args[0]); | |
1564 | args[0] = args_0; | |
1565 | ||
1fac938e | 1566 | if (status < 0) |
f15731c4 | 1567 | return -1; |
1fac938e | 1568 | else |
1569 | return status; | |
1570 | ||
f15731c4 | 1571 | #elif defined (__vxworks) |
1572 | return -1; | |
1fac938e | 1573 | #else |
1574 | ||
1575 | #ifdef __EMX__ | |
f15731c4 | 1576 | pid = spawnvp (P_NOWAIT, args[0], args); |
1fac938e | 1577 | if (pid == -1) |
f15731c4 | 1578 | return -1; |
1579 | ||
1fac938e | 1580 | #else |
1581 | pid = fork (); | |
f15731c4 | 1582 | if (pid < 0) |
1583 | return -1; | |
1fac938e | 1584 | |
f15731c4 | 1585 | if (pid == 0) |
1586 | { | |
1587 | /* The child. */ | |
1588 | if (execv (args[0], args) != 0) | |
1589 | #if defined (VMS) | |
1590 | return -1; /* execv is in parent context on VMS. */ | |
1591 | #else | |
1592 | _exit (1); | |
1593 | #endif | |
1594 | } | |
1fac938e | 1595 | #endif |
1596 | ||
f15731c4 | 1597 | /* The parent. */ |
1fac938e | 1598 | finished = waitpid (pid, &status, 0); |
1599 | ||
1600 | if (finished != pid || WIFEXITED (status) == 0) | |
f15731c4 | 1601 | return -1; |
1fac938e | 1602 | |
1603 | return WEXITSTATUS (status); | |
1604 | #endif | |
f15731c4 | 1605 | |
1fac938e | 1606 | return 0; |
1607 | } | |
1608 | ||
f15731c4 | 1609 | /* WIN32 code to implement a wait call that wait for any child process. */ |
1610 | ||
1fac938e | 1611 | #ifdef _WIN32 |
1612 | ||
1613 | /* Synchronization code, to be thread safe. */ | |
1614 | ||
1615 | static CRITICAL_SECTION plist_cs; | |
1616 | ||
1617 | void | |
f0a28ccb | 1618 | __gnat_plist_init (void) |
1fac938e | 1619 | { |
1620 | InitializeCriticalSection (&plist_cs); | |
1621 | } | |
1622 | ||
1623 | static void | |
f0a28ccb | 1624 | plist_enter (void) |
1fac938e | 1625 | { |
1626 | EnterCriticalSection (&plist_cs); | |
1627 | } | |
1628 | ||
f15731c4 | 1629 | static void |
f0a28ccb | 1630 | plist_leave (void) |
1fac938e | 1631 | { |
1632 | LeaveCriticalSection (&plist_cs); | |
1633 | } | |
1634 | ||
1635 | typedef struct _process_list | |
1636 | { | |
1637 | HANDLE h; | |
1638 | struct _process_list *next; | |
1639 | } Process_List; | |
1640 | ||
1641 | static Process_List *PLIST = NULL; | |
1642 | ||
1643 | static int plist_length = 0; | |
1644 | ||
1645 | static void | |
9dfe12ae | 1646 | add_handle (HANDLE h) |
1fac938e | 1647 | { |
1648 | Process_List *pl; | |
1649 | ||
1650 | pl = (Process_List *) xmalloc (sizeof (Process_List)); | |
1651 | ||
1652 | plist_enter(); | |
1653 | ||
1654 | /* -------------------- critical section -------------------- */ | |
1655 | pl->h = h; | |
1656 | pl->next = PLIST; | |
1657 | PLIST = pl; | |
1658 | ++plist_length; | |
1659 | /* -------------------- critical section -------------------- */ | |
1660 | ||
1661 | plist_leave(); | |
1662 | } | |
1663 | ||
f0a28ccb | 1664 | static void |
1665 | remove_handle (HANDLE h) | |
1fac938e | 1666 | { |
f0a28ccb | 1667 | Process_List *pl; |
1668 | Process_List *prev = NULL; | |
1fac938e | 1669 | |
1670 | plist_enter(); | |
1671 | ||
1672 | /* -------------------- critical section -------------------- */ | |
1673 | pl = PLIST; | |
1674 | while (pl) | |
1675 | { | |
1676 | if (pl->h == h) | |
1677 | { | |
1678 | if (pl == PLIST) | |
1679 | PLIST = pl->next; | |
1680 | else | |
1681 | prev->next = pl->next; | |
1682 | free (pl); | |
1683 | break; | |
1684 | } | |
1685 | else | |
1686 | { | |
1687 | prev = pl; | |
1688 | pl = pl->next; | |
1689 | } | |
1690 | } | |
1691 | ||
1692 | --plist_length; | |
1693 | /* -------------------- critical section -------------------- */ | |
1694 | ||
1695 | plist_leave(); | |
1696 | } | |
1697 | ||
1698 | static int | |
9dfe12ae | 1699 | win32_no_block_spawn (char *command, char *args[]) |
1fac938e | 1700 | { |
1701 | BOOL result; | |
1702 | STARTUPINFO SI; | |
1703 | PROCESS_INFORMATION PI; | |
1704 | SECURITY_ATTRIBUTES SA; | |
f15731c4 | 1705 | int csize = 1; |
1706 | char *full_command; | |
1fac938e | 1707 | int k; |
1708 | ||
f15731c4 | 1709 | /* compute the total command line length */ |
1710 | k = 0; | |
1711 | while (args[k]) | |
1712 | { | |
1713 | csize += strlen (args[k]) + 1; | |
1714 | k++; | |
1715 | } | |
1716 | ||
1717 | full_command = (char *) xmalloc (csize); | |
1718 | ||
1fac938e | 1719 | /* Startup info. */ |
1720 | SI.cb = sizeof (STARTUPINFO); | |
1721 | SI.lpReserved = NULL; | |
1722 | SI.lpReserved2 = NULL; | |
1723 | SI.lpDesktop = NULL; | |
1724 | SI.cbReserved2 = 0; | |
1725 | SI.lpTitle = NULL; | |
1726 | SI.dwFlags = 0; | |
1727 | SI.wShowWindow = SW_HIDE; | |
1728 | ||
1729 | /* Security attributes. */ | |
1730 | SA.nLength = sizeof (SECURITY_ATTRIBUTES); | |
1731 | SA.bInheritHandle = TRUE; | |
1732 | SA.lpSecurityDescriptor = NULL; | |
1733 | ||
1734 | /* Prepare the command string. */ | |
1735 | strcpy (full_command, command); | |
1736 | strcat (full_command, " "); | |
1737 | ||
1738 | k = 1; | |
1739 | while (args[k]) | |
1740 | { | |
1741 | strcat (full_command, args[k]); | |
1742 | strcat (full_command, " "); | |
1743 | k++; | |
1744 | } | |
1745 | ||
1746 | result = CreateProcess (NULL, (char *) full_command, &SA, NULL, TRUE, | |
1747 | NORMAL_PRIORITY_CLASS, NULL, NULL, &SI, &PI); | |
1748 | ||
f15731c4 | 1749 | free (full_command); |
1750 | ||
1fac938e | 1751 | if (result == TRUE) |
1752 | { | |
1753 | add_handle (PI.hProcess); | |
1754 | CloseHandle (PI.hThread); | |
1755 | return (int) PI.hProcess; | |
1756 | } | |
1757 | else | |
1758 | return -1; | |
1759 | } | |
1760 | ||
1761 | static int | |
9dfe12ae | 1762 | win32_wait (int *status) |
1fac938e | 1763 | { |
1764 | DWORD exitcode; | |
1765 | HANDLE *hl; | |
1766 | HANDLE h; | |
1767 | DWORD res; | |
1768 | int k; | |
1769 | Process_List *pl; | |
1770 | ||
1771 | if (plist_length == 0) | |
1772 | { | |
1773 | errno = ECHILD; | |
1774 | return -1; | |
1775 | } | |
1776 | ||
1777 | hl = (HANDLE *) xmalloc (sizeof (HANDLE) * plist_length); | |
1778 | ||
1779 | k = 0; | |
1780 | plist_enter(); | |
1781 | ||
1782 | /* -------------------- critical section -------------------- */ | |
1783 | pl = PLIST; | |
1784 | while (pl) | |
1785 | { | |
1786 | hl[k++] = pl->h; | |
1787 | pl = pl->next; | |
1788 | } | |
1789 | /* -------------------- critical section -------------------- */ | |
1790 | ||
1791 | plist_leave(); | |
1792 | ||
1793 | res = WaitForMultipleObjects (plist_length, hl, FALSE, INFINITE); | |
f15731c4 | 1794 | h = hl[res - WAIT_OBJECT_0]; |
1fac938e | 1795 | free (hl); |
1796 | ||
1797 | remove_handle (h); | |
1798 | ||
1799 | GetExitCodeProcess (h, &exitcode); | |
1800 | CloseHandle (h); | |
1801 | ||
1802 | *status = (int) exitcode; | |
1803 | return (int) h; | |
1804 | } | |
1805 | ||
1806 | #endif | |
1807 | ||
1808 | int | |
9dfe12ae | 1809 | __gnat_portable_no_block_spawn (char *args[]) |
1fac938e | 1810 | { |
1811 | int pid = 0; | |
1812 | ||
1813 | #if defined (__EMX__) || defined (MSDOS) | |
1814 | ||
1815 | /* ??? For PC machines I (Franco) don't know the system calls to implement | |
1816 | this routine. So I'll fake it as follows. This routine will behave | |
1817 | exactly like the blocking portable_spawn and will systematically return | |
1818 | a pid of 0 unless the spawned task did not complete successfully, in | |
1819 | which case we return a pid of -1. To synchronize with this the | |
1820 | portable_wait below systematically returns a pid of 0 and reports that | |
1821 | the subprocess terminated successfully. */ | |
1822 | ||
f15731c4 | 1823 | if (spawnvp (P_WAIT, args[0], args) != 0) |
1fac938e | 1824 | return -1; |
1825 | ||
1826 | #elif defined (_WIN32) | |
1827 | ||
1828 | pid = win32_no_block_spawn (args[0], args); | |
1829 | return pid; | |
1830 | ||
f15731c4 | 1831 | #elif defined (__vxworks) |
1832 | return -1; | |
1fac938e | 1833 | |
1834 | #else | |
1835 | pid = fork (); | |
1836 | ||
f15731c4 | 1837 | if (pid == 0) |
1838 | { | |
1839 | /* The child. */ | |
1840 | if (execv (args[0], args) != 0) | |
1841 | #if defined (VMS) | |
1842 | return -1; /* execv is in parent context on VMS. */ | |
9dfe12ae | 1843 | #else |
f15731c4 | 1844 | _exit (1); |
1845 | #endif | |
1846 | } | |
1847 | ||
1fac938e | 1848 | #endif |
1849 | ||
1850 | return pid; | |
1851 | } | |
1852 | ||
1853 | int | |
9dfe12ae | 1854 | __gnat_portable_wait (int *process_status) |
1fac938e | 1855 | { |
1856 | int status = 0; | |
1857 | int pid = 0; | |
1858 | ||
1859 | #if defined (_WIN32) | |
1860 | ||
1861 | pid = win32_wait (&status); | |
1862 | ||
1863 | #elif defined (__EMX__) || defined (MSDOS) | |
f15731c4 | 1864 | /* ??? See corresponding comment in portable_no_block_spawn. */ |
1fac938e | 1865 | |
1866 | #elif defined (__vxworks) | |
1867 | /* Not sure what to do here, so do same as __EMX__ case, i.e., nothing but | |
f15731c4 | 1868 | return zero. */ |
1fac938e | 1869 | #else |
1870 | ||
1fac938e | 1871 | pid = waitpid (-1, &status, 0); |
1fac938e | 1872 | status = status & 0xffff; |
1873 | #endif | |
1874 | ||
1875 | *process_status = status; | |
1876 | return pid; | |
1877 | } | |
1878 | ||
f15731c4 | 1879 | int |
9dfe12ae | 1880 | __gnat_waitpid (int pid) |
f15731c4 | 1881 | { |
1882 | int status = 0; | |
1883 | ||
1884 | #if defined (_WIN32) | |
1885 | cwait (&status, pid, _WAIT_CHILD); | |
1886 | #elif defined (__EMX__) || defined (MSDOS) || defined (__vxworks) | |
1887 | /* Status is already zero, so nothing to do. */ | |
1888 | #else | |
1889 | waitpid (pid, &status, 0); | |
1890 | status = WEXITSTATUS (status); | |
1891 | #endif | |
1892 | ||
1893 | return status; | |
1894 | } | |
1895 | ||
1fac938e | 1896 | void |
9dfe12ae | 1897 | __gnat_os_exit (int status) |
1fac938e | 1898 | { |
1fac938e | 1899 | exit (status); |
1fac938e | 1900 | } |
1901 | ||
f15731c4 | 1902 | /* Locate a regular file, give a Path value. */ |
1fac938e | 1903 | |
1904 | char * | |
9dfe12ae | 1905 | __gnat_locate_regular_file (char *file_name, char *path_val) |
1fac938e | 1906 | { |
1907 | char *ptr; | |
4a3f445c | 1908 | int absolute = __gnat_is_absolute_path (file_name, strlen (file_name)); |
1fac938e | 1909 | |
f15731c4 | 1910 | /* Handle absolute pathnames. */ |
9dfe12ae | 1911 | if (absolute) |
1912 | { | |
1913 | if (__gnat_is_regular_file (file_name)) | |
1914 | return xstrdup (file_name); | |
1915 | ||
1916 | return 0; | |
1917 | } | |
1918 | ||
1919 | /* If file_name include directory separator(s), try it first as | |
1920 | a path name relative to the current directory */ | |
1fac938e | 1921 | for (ptr = file_name; *ptr && *ptr != '/' && *ptr != DIR_SEPARATOR; ptr++) |
1922 | ; | |
1923 | ||
9dfe12ae | 1924 | if (*ptr != 0) |
1fac938e | 1925 | { |
1926 | if (__gnat_is_regular_file (file_name)) | |
1927 | return xstrdup (file_name); | |
1fac938e | 1928 | } |
1929 | ||
1930 | if (path_val == 0) | |
1931 | return 0; | |
1932 | ||
1933 | { | |
1934 | /* The result has to be smaller than path_val + file_name. */ | |
1935 | char *file_path = alloca (strlen (path_val) + strlen (file_name) + 2); | |
1936 | ||
1937 | for (;;) | |
1938 | { | |
1939 | for (; *path_val == PATH_SEPARATOR; path_val++) | |
1940 | ; | |
1941 | ||
1942 | if (*path_val == 0) | |
1943 | return 0; | |
1944 | ||
1945 | for (ptr = file_path; *path_val && *path_val != PATH_SEPARATOR; ) | |
1946 | *ptr++ = *path_val++; | |
1947 | ||
1948 | ptr--; | |
1949 | if (*ptr != '/' && *ptr != DIR_SEPARATOR) | |
1950 | *++ptr = DIR_SEPARATOR; | |
1951 | ||
1952 | strcpy (++ptr, file_name); | |
1953 | ||
1954 | if (__gnat_is_regular_file (file_path)) | |
1955 | return xstrdup (file_path); | |
1956 | } | |
1957 | } | |
1958 | ||
1959 | return 0; | |
1960 | } | |
1961 | ||
1fac938e | 1962 | /* Locate an executable given a Path argument. This routine is only used by |
1963 | gnatbl and should not be used otherwise. Use locate_exec_on_path | |
f15731c4 | 1964 | instead. */ |
1fac938e | 1965 | |
1966 | char * | |
9dfe12ae | 1967 | __gnat_locate_exec (char *exec_name, char *path_val) |
1fac938e | 1968 | { |
1969 | if (!strstr (exec_name, HOST_EXECUTABLE_SUFFIX)) | |
1970 | { | |
1971 | char *full_exec_name | |
1972 | = alloca (strlen (exec_name) + strlen (HOST_EXECUTABLE_SUFFIX) + 1); | |
1973 | ||
1974 | strcpy (full_exec_name, exec_name); | |
1975 | strcat (full_exec_name, HOST_EXECUTABLE_SUFFIX); | |
1976 | return __gnat_locate_regular_file (full_exec_name, path_val); | |
1977 | } | |
1978 | else | |
1979 | return __gnat_locate_regular_file (exec_name, path_val); | |
1980 | } | |
1981 | ||
f15731c4 | 1982 | /* Locate an executable using the Systems default PATH. */ |
1fac938e | 1983 | |
1984 | char * | |
9dfe12ae | 1985 | __gnat_locate_exec_on_path (char *exec_name) |
1fac938e | 1986 | { |
9dfe12ae | 1987 | char *apath_val; |
1fac938e | 1988 | #ifdef VMS |
1989 | char *path_val = "/VAXC$PATH"; | |
1990 | #else | |
1991 | char *path_val = getenv ("PATH"); | |
1992 | #endif | |
9dfe12ae | 1993 | #ifdef _WIN32 |
1994 | /* In Win32 systems we expand the PATH as for XP environment | |
1995 | variables are not automatically expanded. */ | |
1996 | int len = strlen (path_val) * 3; | |
1997 | char *expanded_path_val = alloca (len + 1); | |
1998 | ||
1999 | DWORD res = ExpandEnvironmentStrings (path_val, expanded_path_val, len); | |
2000 | ||
2001 | if (res != 0) | |
2002 | { | |
2003 | path_val = expanded_path_val; | |
2004 | } | |
2005 | #endif | |
1fac938e | 2006 | |
9dfe12ae | 2007 | apath_val = alloca (strlen (path_val) + 1); |
1fac938e | 2008 | strcpy (apath_val, path_val); |
9dfe12ae | 2009 | |
1fac938e | 2010 | return __gnat_locate_exec (exec_name, apath_val); |
2011 | } | |
2012 | ||
2013 | #ifdef VMS | |
2014 | ||
2015 | /* These functions are used to translate to and from VMS and Unix syntax | |
f15731c4 | 2016 | file, directory and path specifications. */ |
1fac938e | 2017 | |
9dfe12ae | 2018 | #define MAXPATH 256 |
1fac938e | 2019 | #define MAXNAMES 256 |
2020 | #define NEW_CANONICAL_FILELIST_INCREMENT 64 | |
2021 | ||
9dfe12ae | 2022 | static char new_canonical_dirspec [MAXPATH]; |
2023 | static char new_canonical_filespec [MAXPATH]; | |
2024 | static char new_canonical_pathspec [MAXNAMES*MAXPATH]; | |
1fac938e | 2025 | static unsigned new_canonical_filelist_index; |
2026 | static unsigned new_canonical_filelist_in_use; | |
2027 | static unsigned new_canonical_filelist_allocated; | |
2028 | static char **new_canonical_filelist; | |
9dfe12ae | 2029 | static char new_host_pathspec [MAXNAMES*MAXPATH]; |
2030 | static char new_host_dirspec [MAXPATH]; | |
2031 | static char new_host_filespec [MAXPATH]; | |
1fac938e | 2032 | |
2033 | /* Routine is called repeatedly by decc$from_vms via | |
9dfe12ae | 2034 | __gnat_to_canonical_file_list_init until it returns 0 or the expansion |
2035 | runs out. */ | |
1fac938e | 2036 | |
2037 | static int | |
9dfe12ae | 2038 | wildcard_translate_unix (char *name) |
1fac938e | 2039 | { |
2040 | char *ver; | |
9dfe12ae | 2041 | char buff [MAXPATH]; |
1fac938e | 2042 | |
9dfe12ae | 2043 | strncpy (buff, name, MAXPATH); |
2044 | buff [MAXPATH - 1] = (char) 0; | |
1fac938e | 2045 | ver = strrchr (buff, '.'); |
2046 | ||
f15731c4 | 2047 | /* Chop off the version. */ |
1fac938e | 2048 | if (ver) |
2049 | *ver = 0; | |
2050 | ||
f15731c4 | 2051 | /* Dynamically extend the allocation by the increment. */ |
1fac938e | 2052 | if (new_canonical_filelist_in_use == new_canonical_filelist_allocated) |
2053 | { | |
2054 | new_canonical_filelist_allocated += NEW_CANONICAL_FILELIST_INCREMENT; | |
f15731c4 | 2055 | new_canonical_filelist = (char **) xrealloc |
1fac938e | 2056 | (new_canonical_filelist, |
2057 | new_canonical_filelist_allocated * sizeof (char *)); | |
2058 | } | |
2059 | ||
2060 | new_canonical_filelist[new_canonical_filelist_in_use++] = xstrdup (buff); | |
2061 | ||
2062 | return 1; | |
2063 | } | |
2064 | ||
f15731c4 | 2065 | /* Translate a wildcard VMS file spec into a list of Unix file specs. First do |
2066 | full translation and copy the results into a list (_init), then return them | |
2067 | one at a time (_next). If onlydirs set, only expand directory files. */ | |
1fac938e | 2068 | |
2069 | int | |
9dfe12ae | 2070 | __gnat_to_canonical_file_list_init (char *filespec, int onlydirs) |
1fac938e | 2071 | { |
2072 | int len; | |
9dfe12ae | 2073 | char buff [MAXPATH]; |
1fac938e | 2074 | |
2075 | len = strlen (filespec); | |
9dfe12ae | 2076 | strncpy (buff, filespec, MAXPATH); |
2077 | ||
2078 | /* Only look for directories */ | |
2079 | if (onlydirs && !strstr (&buff [len-5], "*.dir")) | |
2080 | strncat (buff, "*.dir", MAXPATH); | |
1fac938e | 2081 | |
9dfe12ae | 2082 | buff [MAXPATH - 1] = (char) 0; |
1fac938e | 2083 | |
2084 | decc$from_vms (buff, wildcard_translate_unix, 1); | |
2085 | ||
f15731c4 | 2086 | /* Remove the .dir extension. */ |
1fac938e | 2087 | if (onlydirs) |
2088 | { | |
2089 | int i; | |
2090 | char *ext; | |
2091 | ||
2092 | for (i = 0; i < new_canonical_filelist_in_use; i++) | |
2093 | { | |
f15731c4 | 2094 | ext = strstr (new_canonical_filelist[i], ".dir"); |
1fac938e | 2095 | if (ext) |
2096 | *ext = 0; | |
2097 | } | |
2098 | } | |
2099 | ||
2100 | return new_canonical_filelist_in_use; | |
2101 | } | |
2102 | ||
f15731c4 | 2103 | /* Return the next filespec in the list. */ |
1fac938e | 2104 | |
2105 | char * | |
2106 | __gnat_to_canonical_file_list_next () | |
2107 | { | |
f15731c4 | 2108 | return new_canonical_filelist[new_canonical_filelist_index++]; |
1fac938e | 2109 | } |
2110 | ||
f15731c4 | 2111 | /* Free storage used in the wildcard expansion. */ |
1fac938e | 2112 | |
2113 | void | |
2114 | __gnat_to_canonical_file_list_free () | |
2115 | { | |
2116 | int i; | |
2117 | ||
2118 | for (i = 0; i < new_canonical_filelist_in_use; i++) | |
f15731c4 | 2119 | free (new_canonical_filelist[i]); |
1fac938e | 2120 | |
2121 | free (new_canonical_filelist); | |
2122 | ||
2123 | new_canonical_filelist_in_use = 0; | |
2124 | new_canonical_filelist_allocated = 0; | |
2125 | new_canonical_filelist_index = 0; | |
2126 | new_canonical_filelist = 0; | |
2127 | } | |
2128 | ||
f15731c4 | 2129 | /* Translate a VMS syntax directory specification in to Unix syntax. If |
2130 | PREFIXFLAG is set, append an underscore "/". If no indicators of VMS syntax | |
2131 | found, return input string. Also translate a dirname that contains no | |
2132 | slashes, in case it's a logical name. */ | |
1fac938e | 2133 | |
2134 | char * | |
9dfe12ae | 2135 | __gnat_to_canonical_dir_spec (char *dirspec, int prefixflag) |
1fac938e | 2136 | { |
2137 | int len; | |
2138 | ||
2139 | strcpy (new_canonical_dirspec, ""); | |
2140 | if (strlen (dirspec)) | |
2141 | { | |
2142 | char *dirspec1; | |
2143 | ||
2144 | if (strchr (dirspec, ']') || strchr (dirspec, ':')) | |
9dfe12ae | 2145 | { |
2146 | strncpy (new_canonical_dirspec, | |
2147 | (char *) decc$translate_vms (dirspec), | |
2148 | MAXPATH); | |
2149 | } | |
1fac938e | 2150 | else if (!strchr (dirspec, '/') && (dirspec1 = getenv (dirspec)) != 0) |
9dfe12ae | 2151 | { |
2152 | strncpy (new_canonical_dirspec, | |
2153 | (char *) decc$translate_vms (dirspec1), | |
2154 | MAXPATH); | |
2155 | } | |
1fac938e | 2156 | else |
9dfe12ae | 2157 | { |
2158 | strncpy (new_canonical_dirspec, dirspec, MAXPATH); | |
2159 | } | |
1fac938e | 2160 | } |
2161 | ||
2162 | len = strlen (new_canonical_dirspec); | |
9dfe12ae | 2163 | if (prefixflag && new_canonical_dirspec [len-1] != '/') |
2164 | strncat (new_canonical_dirspec, "/", MAXPATH); | |
2165 | ||
2166 | new_canonical_dirspec [MAXPATH - 1] = (char) 0; | |
1fac938e | 2167 | |
2168 | return new_canonical_dirspec; | |
2169 | ||
2170 | } | |
2171 | ||
2172 | /* Translate a VMS syntax file specification into Unix syntax. | |
f15731c4 | 2173 | If no indicators of VMS syntax found, return input string. */ |
1fac938e | 2174 | |
2175 | char * | |
9dfe12ae | 2176 | __gnat_to_canonical_file_spec (char *filespec) |
1fac938e | 2177 | { |
9dfe12ae | 2178 | strncpy (new_canonical_filespec, "", MAXPATH); |
2179 | ||
1fac938e | 2180 | if (strchr (filespec, ']') || strchr (filespec, ':')) |
9dfe12ae | 2181 | { |
2182 | strncpy (new_canonical_filespec, | |
2183 | (char *) decc$translate_vms (filespec), | |
2184 | MAXPATH); | |
2185 | } | |
1fac938e | 2186 | else |
9dfe12ae | 2187 | { |
2188 | strncpy (new_canonical_filespec, filespec, MAXPATH); | |
2189 | } | |
2190 | ||
2191 | new_canonical_filespec [MAXPATH - 1] = (char) 0; | |
1fac938e | 2192 | |
2193 | return new_canonical_filespec; | |
2194 | } | |
2195 | ||
2196 | /* Translate a VMS syntax path specification into Unix syntax. | |
f15731c4 | 2197 | If no indicators of VMS syntax found, return input string. */ |
1fac938e | 2198 | |
2199 | char * | |
9dfe12ae | 2200 | __gnat_to_canonical_path_spec (char *pathspec) |
1fac938e | 2201 | { |
9dfe12ae | 2202 | char *curr, *next, buff [MAXPATH]; |
1fac938e | 2203 | |
2204 | if (pathspec == 0) | |
2205 | return pathspec; | |
2206 | ||
f15731c4 | 2207 | /* If there are /'s, assume it's a Unix path spec and return. */ |
1fac938e | 2208 | if (strchr (pathspec, '/')) |
2209 | return pathspec; | |
2210 | ||
f15731c4 | 2211 | new_canonical_pathspec[0] = 0; |
1fac938e | 2212 | curr = pathspec; |
2213 | ||
2214 | for (;;) | |
2215 | { | |
2216 | next = strchr (curr, ','); | |
2217 | if (next == 0) | |
2218 | next = strchr (curr, 0); | |
2219 | ||
2220 | strncpy (buff, curr, next - curr); | |
f15731c4 | 2221 | buff[next - curr] = 0; |
1fac938e | 2222 | |
f15731c4 | 2223 | /* Check for wildcards and expand if present. */ |
1fac938e | 2224 | if (strchr (buff, '*') || strchr (buff, '%') || strstr (buff, "...")) |
2225 | { | |
2226 | int i, dirs; | |
2227 | ||
2228 | dirs = __gnat_to_canonical_file_list_init (buff, 1); | |
2229 | for (i = 0; i < dirs; i++) | |
2230 | { | |
2231 | char *next_dir; | |
2232 | ||
2233 | next_dir = __gnat_to_canonical_file_list_next (); | |
9dfe12ae | 2234 | strncat (new_canonical_pathspec, next_dir, MAXPATH); |
1fac938e | 2235 | |
f15731c4 | 2236 | /* Don't append the separator after the last expansion. */ |
1fac938e | 2237 | if (i+1 < dirs) |
9dfe12ae | 2238 | strncat (new_canonical_pathspec, ":", MAXPATH); |
1fac938e | 2239 | } |
2240 | ||
2241 | __gnat_to_canonical_file_list_free (); | |
2242 | } | |
2243 | else | |
9dfe12ae | 2244 | strncat (new_canonical_pathspec, |
2245 | __gnat_to_canonical_dir_spec (buff, 0), MAXPATH); | |
1fac938e | 2246 | |
2247 | if (*next == 0) | |
2248 | break; | |
2249 | ||
9dfe12ae | 2250 | strncat (new_canonical_pathspec, ":", MAXPATH); |
1fac938e | 2251 | curr = next + 1; |
2252 | } | |
2253 | ||
9dfe12ae | 2254 | new_canonical_pathspec [MAXPATH - 1] = (char) 0; |
2255 | ||
1fac938e | 2256 | return new_canonical_pathspec; |
2257 | } | |
2258 | ||
9dfe12ae | 2259 | static char filename_buff [MAXPATH]; |
1fac938e | 2260 | |
2261 | static int | |
9dfe12ae | 2262 | translate_unix (char *name, int type) |
1fac938e | 2263 | { |
9dfe12ae | 2264 | strncpy (filename_buff, name, MAXPATH); |
2265 | filename_buff [MAXPATH - 1] = (char) 0; | |
1fac938e | 2266 | return 0; |
2267 | } | |
2268 | ||
f15731c4 | 2269 | /* Translate a Unix syntax path spec into a VMS style (comma separated list of |
2270 | directories. */ | |
1fac938e | 2271 | |
2272 | static char * | |
9dfe12ae | 2273 | to_host_path_spec (char *pathspec) |
1fac938e | 2274 | { |
9dfe12ae | 2275 | char *curr, *next, buff [MAXPATH]; |
1fac938e | 2276 | |
2277 | if (pathspec == 0) | |
2278 | return pathspec; | |
2279 | ||
f15731c4 | 2280 | /* Can't very well test for colons, since that's the Unix separator! */ |
1fac938e | 2281 | if (strchr (pathspec, ']') || strchr (pathspec, ',')) |
2282 | return pathspec; | |
2283 | ||
f15731c4 | 2284 | new_host_pathspec[0] = 0; |
1fac938e | 2285 | curr = pathspec; |
2286 | ||
2287 | for (;;) | |
2288 | { | |
2289 | next = strchr (curr, ':'); | |
2290 | if (next == 0) | |
2291 | next = strchr (curr, 0); | |
2292 | ||
2293 | strncpy (buff, curr, next - curr); | |
f15731c4 | 2294 | buff[next - curr] = 0; |
1fac938e | 2295 | |
9dfe12ae | 2296 | strncat (new_host_pathspec, __gnat_to_host_dir_spec (buff, 0), MAXPATH); |
1fac938e | 2297 | if (*next == 0) |
2298 | break; | |
9dfe12ae | 2299 | strncat (new_host_pathspec, ",", MAXPATH); |
1fac938e | 2300 | curr = next + 1; |
2301 | } | |
2302 | ||
9dfe12ae | 2303 | new_host_pathspec [MAXPATH - 1] = (char) 0; |
2304 | ||
1fac938e | 2305 | return new_host_pathspec; |
2306 | } | |
2307 | ||
f15731c4 | 2308 | /* Translate a Unix syntax directory specification into VMS syntax. The |
2309 | PREFIXFLAG has no effect, but is kept for symmetry with | |
2310 | to_canonical_dir_spec. If indicators of VMS syntax found, return input | |
2311 | string. */ | |
1fac938e | 2312 | |
2313 | char * | |
9dfe12ae | 2314 | __gnat_to_host_dir_spec (char *dirspec, int prefixflag ATTRIBUTE_UNUSED) |
1fac938e | 2315 | { |
2316 | int len = strlen (dirspec); | |
2317 | ||
9dfe12ae | 2318 | strncpy (new_host_dirspec, dirspec, MAXPATH); |
2319 | new_host_dirspec [MAXPATH - 1] = (char) 0; | |
1fac938e | 2320 | |
2321 | if (strchr (new_host_dirspec, ']') || strchr (new_host_dirspec, ':')) | |
2322 | return new_host_dirspec; | |
2323 | ||
f15731c4 | 2324 | while (len > 1 && new_host_dirspec[len - 1] == '/') |
1fac938e | 2325 | { |
f15731c4 | 2326 | new_host_dirspec[len - 1] = 0; |
1fac938e | 2327 | len--; |
2328 | } | |
2329 | ||
2330 | decc$to_vms (new_host_dirspec, translate_unix, 1, 2); | |
9dfe12ae | 2331 | strncpy (new_host_dirspec, filename_buff, MAXPATH); |
2332 | new_host_dirspec [MAXPATH - 1] = (char) 0; | |
1fac938e | 2333 | |
2334 | return new_host_dirspec; | |
1fac938e | 2335 | } |
2336 | ||
2337 | /* Translate a Unix syntax file specification into VMS syntax. | |
f15731c4 | 2338 | If indicators of VMS syntax found, return input string. */ |
1fac938e | 2339 | |
2340 | char * | |
9dfe12ae | 2341 | __gnat_to_host_file_spec (char *filespec) |
1fac938e | 2342 | { |
9dfe12ae | 2343 | strncpy (new_host_filespec, "", MAXPATH); |
1fac938e | 2344 | if (strchr (filespec, ']') || strchr (filespec, ':')) |
9dfe12ae | 2345 | { |
2346 | strncpy (new_host_filespec, filespec, MAXPATH); | |
2347 | } | |
1fac938e | 2348 | else |
2349 | { | |
2350 | decc$to_vms (filespec, translate_unix, 1, 1); | |
9dfe12ae | 2351 | strncpy (new_host_filespec, filename_buff, MAXPATH); |
1fac938e | 2352 | } |
2353 | ||
9dfe12ae | 2354 | new_host_filespec [MAXPATH - 1] = (char) 0; |
2355 | ||
1fac938e | 2356 | return new_host_filespec; |
2357 | } | |
2358 | ||
2359 | void | |
2360 | __gnat_adjust_os_resource_limits () | |
2361 | { | |
2362 | SYS$ADJWSL (131072, 0); | |
2363 | } | |
2364 | ||
9dfe12ae | 2365 | #else /* VMS */ |
1fac938e | 2366 | |
f15731c4 | 2367 | /* Dummy functions for Osint import for non-VMS systems. */ |
1fac938e | 2368 | |
2369 | int | |
9dfe12ae | 2370 | __gnat_to_canonical_file_list_init |
2371 | (char *dirspec ATTRIBUTE_UNUSED, int onlydirs ATTRIBUTE_UNUSED) | |
1fac938e | 2372 | { |
2373 | return 0; | |
2374 | } | |
2375 | ||
2376 | char * | |
6f2c2693 | 2377 | __gnat_to_canonical_file_list_next (void) |
1fac938e | 2378 | { |
2379 | return (char *) ""; | |
2380 | } | |
2381 | ||
2382 | void | |
6f2c2693 | 2383 | __gnat_to_canonical_file_list_free (void) |
1fac938e | 2384 | { |
2385 | } | |
2386 | ||
2387 | char * | |
9dfe12ae | 2388 | __gnat_to_canonical_dir_spec (char *dirspec, int prefixflag ATTRIBUTE_UNUSED) |
1fac938e | 2389 | { |
2390 | return dirspec; | |
2391 | } | |
2392 | ||
2393 | char * | |
9dfe12ae | 2394 | __gnat_to_canonical_file_spec (char *filespec) |
1fac938e | 2395 | { |
2396 | return filespec; | |
2397 | } | |
2398 | ||
2399 | char * | |
9dfe12ae | 2400 | __gnat_to_canonical_path_spec (char *pathspec) |
1fac938e | 2401 | { |
2402 | return pathspec; | |
2403 | } | |
2404 | ||
2405 | char * | |
9dfe12ae | 2406 | __gnat_to_host_dir_spec (char *dirspec, int prefixflag ATTRIBUTE_UNUSED) |
1fac938e | 2407 | { |
2408 | return dirspec; | |
2409 | } | |
2410 | ||
2411 | char * | |
9dfe12ae | 2412 | __gnat_to_host_file_spec (char *filespec) |
1fac938e | 2413 | { |
2414 | return filespec; | |
2415 | } | |
2416 | ||
2417 | void | |
6f2c2693 | 2418 | __gnat_adjust_os_resource_limits (void) |
1fac938e | 2419 | { |
2420 | } | |
2421 | ||
2422 | #endif | |
2423 | ||
f15731c4 | 2424 | /* For EMX, we cannot include dummy in libgcc, since it is too difficult |
1fac938e | 2425 | to coordinate this with the EMX distribution. Consequently, we put the |
f15731c4 | 2426 | definition of dummy which is used for exception handling, here. */ |
1fac938e | 2427 | |
2428 | #if defined (__EMX__) | |
2429 | void __dummy () {} | |
2430 | #endif | |
2431 | ||
2432 | #if defined (__mips_vxworks) | |
9dfe12ae | 2433 | int |
2434 | _flush_cache() | |
1fac938e | 2435 | { |
2436 | CACHE_USER_FLUSH (0, ENTIRE_CACHE); | |
2437 | } | |
2438 | #endif | |
2439 | ||
2440 | #if defined (CROSS_COMPILE) \ | |
2441 | || (! (defined (sparc) && defined (sun) && defined (__SVR4)) \ | |
9dfe12ae | 2442 | && ! (defined (linux) && defined (i386)) \ |
40a4417a | 2443 | && ! defined (__FreeBSD__) \ |
1fac938e | 2444 | && ! defined (hpux) \ |
9dfe12ae | 2445 | && ! defined (_AIX) \ |
1fac938e | 2446 | && ! (defined (__alpha__) && defined (__osf__)) \ |
80d4fec4 | 2447 | && ! defined (__MINGW32__) \ |
2448 | && ! (defined (__mips) && defined (__sgi))) | |
f15731c4 | 2449 | |
2450 | /* Dummy function to satisfy g-trasym.o. Currently Solaris sparc, HP/UX, | |
9dfe12ae | 2451 | GNU/Linux x86, Tru64 & Windows provide a non-dummy version of this |
2452 | procedure in libaddr2line.a. */ | |
1fac938e | 2453 | |
2454 | void | |
9dfe12ae | 2455 | convert_addresses (void *addrs ATTRIBUTE_UNUSED, |
2456 | int n_addr ATTRIBUTE_UNUSED, | |
2457 | void *buf ATTRIBUTE_UNUSED, | |
2458 | int *len ATTRIBUTE_UNUSED) | |
1fac938e | 2459 | { |
2460 | *len = 0; | |
2461 | } | |
2462 | #endif | |
f15731c4 | 2463 | |
2464 | #if defined (_WIN32) | |
2465 | int __gnat_argument_needs_quote = 1; | |
2466 | #else | |
2467 | int __gnat_argument_needs_quote = 0; | |
2468 | #endif | |
9dfe12ae | 2469 | |
2470 | /* This option is used to enable/disable object files handling from the | |
2471 | binder file by the GNAT Project module. For example, this is disabled on | |
e0f42093 | 2472 | Windows (prior to GCC 3.4) as it is already done by the mdll module. |
2473 | Stating with GCC 3.4 the shared libraries are not based on mdll | |
2474 | anymore as it uses the GCC's -shared option */ | |
2475 | #if defined (_WIN32) \ | |
2476 | && ((__GNUC__ < 3) || ((__GNUC__ == 3) && (__GNUC_MINOR__ < 4))) | |
9dfe12ae | 2477 | int __gnat_prj_add_obj_files = 0; |
2478 | #else | |
2479 | int __gnat_prj_add_obj_files = 1; | |
2480 | #endif | |
2481 | ||
2482 | /* char used as prefix/suffix for environment variables */ | |
2483 | #if defined (_WIN32) | |
2484 | char __gnat_environment_char = '%'; | |
2485 | #else | |
2486 | char __gnat_environment_char = '$'; | |
2487 | #endif | |
2488 | ||
2489 | /* This functions copy the file attributes from a source file to a | |
2490 | destination file. | |
2491 | ||
2492 | mode = 0 : In this mode copy only the file time stamps (last access and | |
2493 | last modification time stamps). | |
2494 | ||
2495 | mode = 1 : In this mode, time stamps and read/write/execute attributes are | |
2496 | copied. | |
2497 | ||
2498 | Returns 0 if operation was successful and -1 in case of error. */ | |
2499 | ||
2500 | int | |
2501 | __gnat_copy_attribs (char *from, char *to, int mode) | |
2502 | { | |
2503 | #if defined (VMS) || defined (__vxworks) | |
2504 | return -1; | |
2505 | #else | |
2506 | struct stat fbuf; | |
2507 | struct utimbuf tbuf; | |
2508 | ||
2509 | if (stat (from, &fbuf) == -1) | |
2510 | { | |
2511 | return -1; | |
2512 | } | |
2513 | ||
2514 | tbuf.actime = fbuf.st_atime; | |
2515 | tbuf.modtime = fbuf.st_mtime; | |
2516 | ||
2517 | if (utime (to, &tbuf) == -1) | |
2518 | { | |
2519 | return -1; | |
2520 | } | |
2521 | ||
2522 | if (mode == 1) | |
2523 | { | |
2524 | if (chmod (to, fbuf.st_mode) == -1) | |
2525 | { | |
2526 | return -1; | |
2527 | } | |
2528 | } | |
2529 | ||
2530 | return 0; | |
2531 | #endif | |
2532 | } | |
2533 | ||
2534 | /* This function is installed in libgcc.a. */ | |
2535 | extern void __gnat_install_locks (void (*) (void), void (*) (void)); | |
2536 | ||
2537 | /* This function offers a hook for libgnarl to set the | |
ea61a7ea | 2538 | locking subprograms for libgcc_eh. |
2539 | This is only needed on OpenVMS, since other platforms use standard | |
2540 | --enable-threads=posix option, or similar. */ | |
9dfe12ae | 2541 | |
2542 | void | |
6f2c2693 | 2543 | __gnatlib_install_locks (void (*lock) (void) ATTRIBUTE_UNUSED, |
2544 | void (*unlock) (void) ATTRIBUTE_UNUSED) | |
9dfe12ae | 2545 | { |
ea61a7ea | 2546 | #if defined (IN_RTS) && defined (VMS) |
9dfe12ae | 2547 | __gnat_install_locks (lock, unlock); |
2548 | /* There is a bootstrap path issue if adaint is build with this | |
2549 | symbol unresolved for the stage1 compiler. Since the compiler | |
2550 | does not use tasking, we simply make __gnatlib_install_locks | |
2551 | a no-op in this case. */ | |
2552 | #endif | |
2553 | } | |
cf6d853e | 2554 | |
2555 | int | |
2556 | __gnat_lseek (int fd, long offset, int whence) | |
2557 | { | |
2558 | return (int) lseek (fd, offset, whence); | |
2559 | } | |
0914a918 | 2560 | |
2561 | /* This function returns the version of GCC being used. Here it's GCC 3. */ | |
2562 | int | |
2563 | get_gcc_version (void) | |
2564 | { | |
2565 | return 3; | |
2566 | } |