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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> | |
150 | #endif | |
151 | ||
152 | #include "adaint.h" | |
153 | ||
154 | /* Define symbols O_BINARY and O_TEXT as harmless zeroes if they are not | |
155 | defined in the current system. On DOS-like systems these flags control | |
156 | whether the file is opened/created in text-translation mode (CR/LF in | |
157 | external file mapped to LF in internal file), but in Unix-like systems, | |
158 | no text translation is required, so these flags have no effect. */ | |
159 | ||
160 | #if defined (__EMX__) | |
161 | #include <os2.h> | |
162 | #endif | |
163 | ||
164 | #if defined (MSDOS) | |
165 | #include <dos.h> | |
166 | #endif | |
167 | ||
168 | #ifndef O_BINARY | |
169 | #define O_BINARY 0 | |
170 | #endif | |
171 | ||
172 | #ifndef O_TEXT | |
173 | #define O_TEXT 0 | |
174 | #endif | |
175 | ||
176 | #ifndef HOST_EXECUTABLE_SUFFIX | |
177 | #define HOST_EXECUTABLE_SUFFIX "" | |
178 | #endif | |
179 | ||
180 | #ifndef HOST_OBJECT_SUFFIX | |
181 | #define HOST_OBJECT_SUFFIX ".o" | |
182 | #endif | |
183 | ||
184 | #ifndef PATH_SEPARATOR | |
185 | #define PATH_SEPARATOR ':' | |
186 | #endif | |
187 | ||
188 | #ifndef DIR_SEPARATOR | |
189 | #define DIR_SEPARATOR '/' | |
190 | #endif | |
191 | ||
192 | char __gnat_dir_separator = DIR_SEPARATOR; | |
193 | ||
194 | char __gnat_path_separator = PATH_SEPARATOR; | |
195 | ||
196 | /* The GNAT_LIBRARY_TEMPLATE contains a list of expressions that define | |
197 | the base filenames that libraries specified with -lsomelib options | |
198 | may have. This is used by GNATMAKE to check whether an executable | |
199 | is up-to-date or not. The syntax is | |
200 | ||
201 | library_template ::= { pattern ; } pattern NUL | |
202 | pattern ::= [ prefix ] * [ postfix ] | |
203 | ||
204 | These should only specify names of static libraries as it makes | |
205 | no sense to determine at link time if dynamic-link libraries are | |
206 | up to date or not. Any libraries that are not found are supposed | |
207 | to be up-to-date: | |
208 | ||
209 | * if they are needed but not present, the link | |
210 | will fail, | |
211 | ||
212 | * otherwise they are libraries in the system paths and so | |
213 | they are considered part of the system and not checked | |
214 | for that reason. | |
215 | ||
216 | ??? This should be part of a GNAT host-specific compiler | |
217 | file instead of being included in all user applications | |
f15731c4 | 218 | as well. This is only a temporary work-around for 3.11b. */ |
1fac938e | 219 | |
220 | #ifndef GNAT_LIBRARY_TEMPLATE | |
f15731c4 | 221 | #if defined (__EMX__) |
1fac938e | 222 | #define GNAT_LIBRARY_TEMPLATE "*.a" |
f15731c4 | 223 | #elif defined (VMS) |
1fac938e | 224 | #define GNAT_LIBRARY_TEMPLATE "*.olb" |
225 | #else | |
226 | #define GNAT_LIBRARY_TEMPLATE "lib*.a" | |
227 | #endif | |
228 | #endif | |
229 | ||
230 | const char *__gnat_library_template = GNAT_LIBRARY_TEMPLATE; | |
231 | ||
f15731c4 | 232 | /* This variable is used in hostparm.ads to say whether the host is a VMS |
233 | system. */ | |
234 | #ifdef VMS | |
235 | const int __gnat_vmsp = 1; | |
236 | #else | |
237 | const int __gnat_vmsp = 0; | |
238 | #endif | |
239 | ||
e633acdc | 240 | #ifdef __EMX__ |
9dfe12ae | 241 | #define GNAT_MAX_PATH_LEN MAX_PATH |
e633acdc | 242 | |
243 | #elif defined (VMS) | |
9dfe12ae | 244 | #define GNAT_MAX_PATH_LEN 256 /* PATH_MAX */ |
e633acdc | 245 | |
246 | #elif defined (__vxworks) || defined (__OPENNT) | |
9dfe12ae | 247 | #define GNAT_MAX_PATH_LEN PATH_MAX |
248 | ||
249 | #else | |
250 | ||
251 | #if defined (__MINGW32__) | |
252 | #include "mingw32.h" | |
253 | ||
254 | #if OLD_MINGW | |
255 | #include <sys/param.h> | |
256 | #endif | |
e633acdc | 257 | |
258 | #else | |
259 | #include <sys/param.h> | |
9dfe12ae | 260 | #endif |
261 | ||
262 | #define GNAT_MAX_PATH_LEN MAXPATHLEN | |
e633acdc | 263 | |
264 | #endif | |
265 | ||
9dfe12ae | 266 | /* The __gnat_max_path_len variable is used to export the maximum |
267 | length of a path name to Ada code. max_path_len is also provided | |
268 | for compatibility with older GNAT versions, please do not use | |
269 | it. */ | |
270 | ||
271 | int __gnat_max_path_len = GNAT_MAX_PATH_LEN; | |
272 | int max_path_len = GNAT_MAX_PATH_LEN; | |
273 | ||
1fac938e | 274 | /* The following macro HAVE_READDIR_R should be defined if the |
f15731c4 | 275 | system provides the routine readdir_r. */ |
1fac938e | 276 | #undef HAVE_READDIR_R |
277 | \f | |
278 | void | |
9dfe12ae | 279 | __gnat_to_gm_time |
280 | (OS_Time *p_time, | |
281 | int *p_year, | |
282 | int *p_month, | |
283 | int *p_day, | |
284 | int *p_hours, | |
285 | int *p_mins, | |
286 | int *p_secs) | |
1fac938e | 287 | { |
288 | struct tm *res; | |
9dfe12ae | 289 | time_t time = (time_t) *p_time; |
1fac938e | 290 | |
291 | #ifdef _WIN32 | |
292 | /* On Windows systems, the time is sometimes rounded up to the nearest | |
293 | even second, so if the number of seconds is odd, increment it. */ | |
294 | if (time & 1) | |
295 | time++; | |
296 | #endif | |
297 | ||
9dfe12ae | 298 | #ifdef VMS |
299 | res = localtime (&time); | |
300 | #else | |
1fac938e | 301 | res = gmtime (&time); |
9dfe12ae | 302 | #endif |
1fac938e | 303 | |
304 | if (res) | |
305 | { | |
306 | *p_year = res->tm_year; | |
307 | *p_month = res->tm_mon; | |
308 | *p_day = res->tm_mday; | |
309 | *p_hours = res->tm_hour; | |
310 | *p_mins = res->tm_min; | |
311 | *p_secs = res->tm_sec; | |
f15731c4 | 312 | } |
1fac938e | 313 | else |
314 | *p_year = *p_month = *p_day = *p_hours = *p_mins = *p_secs = 0; | |
315 | } | |
316 | ||
317 | /* Place the contents of the symbolic link named PATH in the buffer BUF, | |
318 | which has size BUFSIZ. If PATH is a symbolic link, then return the number | |
319 | of characters of its content in BUF. Otherwise, return -1. For Windows, | |
320 | OS/2 and vxworks, always return -1. */ | |
321 | ||
9dfe12ae | 322 | int |
f0a28ccb | 323 | __gnat_readlink (char *path ATTRIBUTE_UNUSED, |
324 | char *buf ATTRIBUTE_UNUSED, | |
325 | size_t bufsiz ATTRIBUTE_UNUSED) | |
1fac938e | 326 | { |
327 | #if defined (MSDOS) || defined (_WIN32) || defined (__EMX__) | |
328 | return -1; | |
329 | #elif defined (__INTERIX) || defined (VMS) | |
330 | return -1; | |
331 | #elif defined (__vxworks) | |
332 | return -1; | |
333 | #else | |
334 | return readlink (path, buf, bufsiz); | |
335 | #endif | |
336 | } | |
337 | ||
f15731c4 | 338 | /* Creates a symbolic link named NEWPATH which contains the string OLDPATH. If |
339 | NEWPATH exists it will NOT be overwritten. For Windows, OS/2, VxWorks, | |
340 | Interix and VMS, always return -1. */ | |
1fac938e | 341 | |
342 | int | |
f0a28ccb | 343 | __gnat_symlink (char *oldpath ATTRIBUTE_UNUSED, |
344 | char *newpath ATTRIBUTE_UNUSED) | |
1fac938e | 345 | { |
346 | #if defined (MSDOS) || defined (_WIN32) || defined (__EMX__) | |
347 | return -1; | |
348 | #elif defined (__INTERIX) || defined (VMS) | |
349 | return -1; | |
350 | #elif defined (__vxworks) | |
351 | return -1; | |
352 | #else | |
353 | return symlink (oldpath, newpath); | |
354 | #endif | |
355 | } | |
356 | ||
f15731c4 | 357 | /* Try to lock a file, return 1 if success. */ |
1fac938e | 358 | |
359 | #if defined (__vxworks) || defined (MSDOS) || defined (_WIN32) | |
360 | ||
361 | /* Version that does not use link. */ | |
362 | ||
363 | int | |
9dfe12ae | 364 | __gnat_try_lock (char *dir, char *file) |
1fac938e | 365 | { |
f15731c4 | 366 | char full_path[256]; |
1fac938e | 367 | int fd; |
368 | ||
369 | sprintf (full_path, "%s%c%s", dir, DIR_SEPARATOR, file); | |
370 | fd = open (full_path, O_CREAT | O_EXCL, 0600); | |
f15731c4 | 371 | if (fd < 0) |
1fac938e | 372 | return 0; |
f15731c4 | 373 | |
1fac938e | 374 | close (fd); |
375 | return 1; | |
376 | } | |
377 | ||
378 | #elif defined (__EMX__) || defined (VMS) | |
379 | ||
380 | /* More cases that do not use link; identical code, to solve too long | |
381 | line problem ??? */ | |
382 | ||
383 | int | |
9dfe12ae | 384 | __gnat_try_lock (char *dir, char *file) |
1fac938e | 385 | { |
f15731c4 | 386 | char full_path[256]; |
1fac938e | 387 | int fd; |
388 | ||
389 | sprintf (full_path, "%s%c%s", dir, DIR_SEPARATOR, file); | |
390 | fd = open (full_path, O_CREAT | O_EXCL, 0600); | |
391 | if (fd < 0) | |
392 | return 0; | |
393 | ||
394 | close (fd); | |
395 | return 1; | |
396 | } | |
397 | ||
398 | #else | |
f15731c4 | 399 | |
1fac938e | 400 | /* Version using link(), more secure over NFS. */ |
9dfe12ae | 401 | /* See TN 6913-016 for discussion ??? */ |
1fac938e | 402 | |
403 | int | |
9dfe12ae | 404 | __gnat_try_lock (char *dir, char *file) |
1fac938e | 405 | { |
f15731c4 | 406 | char full_path[256]; |
407 | char temp_file[256]; | |
1fac938e | 408 | struct stat stat_result; |
409 | int fd; | |
410 | ||
411 | sprintf (full_path, "%s%c%s", dir, DIR_SEPARATOR, file); | |
4c7b1e38 | 412 | sprintf (temp_file, "%s-%ld-%ld", dir, (long) getpid(), (long) getppid ()); |
1fac938e | 413 | |
f15731c4 | 414 | /* Create the temporary file and write the process number. */ |
1fac938e | 415 | fd = open (temp_file, O_CREAT | O_WRONLY, 0600); |
416 | if (fd < 0) | |
417 | return 0; | |
418 | ||
419 | close (fd); | |
420 | ||
f15731c4 | 421 | /* Link it with the new file. */ |
1fac938e | 422 | link (temp_file, full_path); |
423 | ||
424 | /* Count the references on the old one. If we have a count of two, then | |
f15731c4 | 425 | the link did succeed. Remove the temporary file before returning. */ |
1fac938e | 426 | __gnat_stat (temp_file, &stat_result); |
427 | unlink (temp_file); | |
428 | return stat_result.st_nlink == 2; | |
429 | } | |
430 | #endif | |
431 | ||
432 | /* Return the maximum file name length. */ | |
433 | ||
434 | int | |
6f2c2693 | 435 | __gnat_get_maximum_file_name_length (void) |
1fac938e | 436 | { |
f15731c4 | 437 | #if defined (MSDOS) |
1fac938e | 438 | return 8; |
439 | #elif defined (VMS) | |
440 | if (getenv ("GNAT$EXTENDED_FILE_SPECIFICATIONS")) | |
441 | return -1; | |
442 | else | |
443 | return 39; | |
444 | #else | |
445 | return -1; | |
446 | #endif | |
447 | } | |
448 | ||
1fac938e | 449 | /* Return nonzero if file names are case sensitive. */ |
450 | ||
451 | int | |
6f2c2693 | 452 | __gnat_get_file_names_case_sensitive (void) |
1fac938e | 453 | { |
f15731c4 | 454 | #if defined (__EMX__) || defined (MSDOS) || defined (VMS) || defined (WINNT) |
1fac938e | 455 | return 0; |
456 | #else | |
457 | return 1; | |
458 | #endif | |
459 | } | |
460 | ||
461 | char | |
6f2c2693 | 462 | __gnat_get_default_identifier_character_set (void) |
1fac938e | 463 | { |
464 | #if defined (__EMX__) || defined (MSDOS) | |
465 | return 'p'; | |
466 | #else | |
467 | return '1'; | |
468 | #endif | |
469 | } | |
470 | ||
f15731c4 | 471 | /* Return the current working directory. */ |
1fac938e | 472 | |
473 | void | |
9dfe12ae | 474 | __gnat_get_current_dir (char *dir, int *length) |
1fac938e | 475 | { |
476 | #ifdef VMS | |
477 | /* Force Unix style, which is what GNAT uses internally. */ | |
478 | getcwd (dir, *length, 0); | |
479 | #else | |
480 | getcwd (dir, *length); | |
481 | #endif | |
482 | ||
483 | *length = strlen (dir); | |
484 | ||
9dfe12ae | 485 | if (dir [*length - 1] != DIR_SEPARATOR) |
486 | { | |
487 | dir [*length] = DIR_SEPARATOR; | |
488 | ++(*length); | |
489 | } | |
f15731c4 | 490 | dir[*length] = '\0'; |
1fac938e | 491 | } |
492 | ||
f15731c4 | 493 | /* Return the suffix for object files. */ |
1fac938e | 494 | |
495 | void | |
9dfe12ae | 496 | __gnat_get_object_suffix_ptr (int *len, const char **value) |
1fac938e | 497 | { |
498 | *value = HOST_OBJECT_SUFFIX; | |
499 | ||
500 | if (*value == 0) | |
501 | *len = 0; | |
502 | else | |
503 | *len = strlen (*value); | |
504 | ||
505 | return; | |
506 | } | |
507 | ||
f15731c4 | 508 | /* Return the suffix for executable files. */ |
1fac938e | 509 | |
510 | void | |
9dfe12ae | 511 | __gnat_get_executable_suffix_ptr (int *len, const char **value) |
1fac938e | 512 | { |
513 | *value = HOST_EXECUTABLE_SUFFIX; | |
514 | if (!*value) | |
515 | *len = 0; | |
516 | else | |
517 | *len = strlen (*value); | |
518 | ||
519 | return; | |
520 | } | |
521 | ||
522 | /* Return the suffix for debuggable files. Usually this is the same as the | |
f15731c4 | 523 | executable extension. */ |
1fac938e | 524 | |
525 | void | |
9dfe12ae | 526 | __gnat_get_debuggable_suffix_ptr (int *len, const char **value) |
1fac938e | 527 | { |
528 | #ifndef MSDOS | |
529 | *value = HOST_EXECUTABLE_SUFFIX; | |
530 | #else | |
f15731c4 | 531 | /* On DOS, the extensionless COFF file is what gdb likes. */ |
1fac938e | 532 | *value = ""; |
533 | #endif | |
534 | ||
535 | if (*value == 0) | |
536 | *len = 0; | |
537 | else | |
538 | *len = strlen (*value); | |
539 | ||
540 | return; | |
541 | } | |
542 | ||
543 | int | |
9dfe12ae | 544 | __gnat_open_read (char *path, int fmode) |
1fac938e | 545 | { |
546 | int fd; | |
547 | int o_fmode = O_BINARY; | |
548 | ||
549 | if (fmode) | |
550 | o_fmode = O_TEXT; | |
551 | ||
f15731c4 | 552 | #if defined (VMS) |
553 | /* Optional arguments mbc,deq,fop increase read performance. */ | |
1fac938e | 554 | fd = open (path, O_RDONLY | o_fmode, 0444, |
555 | "mbc=16", "deq=64", "fop=tef"); | |
f15731c4 | 556 | #elif defined (__vxworks) |
1fac938e | 557 | fd = open (path, O_RDONLY | o_fmode, 0444); |
558 | #else | |
559 | fd = open (path, O_RDONLY | o_fmode); | |
560 | #endif | |
f15731c4 | 561 | |
1fac938e | 562 | return fd < 0 ? -1 : fd; |
563 | } | |
564 | ||
9dfe12ae | 565 | #if defined (__EMX__) || defined (__MINGW32__) |
1fac938e | 566 | #define PERM (S_IREAD | S_IWRITE) |
9dfe12ae | 567 | #elif defined (VMS) |
568 | /* Excerpt from DECC C RTL Reference Manual: | |
569 | To create files with OpenVMS RMS default protections using the UNIX | |
570 | system-call functions umask, mkdir, creat, and open, call mkdir, creat, | |
571 | and open with a file-protection mode argument of 0777 in a program | |
572 | that never specifically calls umask. These default protections include | |
573 | correctly establishing protections based on ACLs, previous versions of | |
574 | files, and so on. */ | |
575 | #define PERM 0777 | |
1fac938e | 576 | #else |
577 | #define PERM (S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH | S_IWOTH) | |
578 | #endif | |
579 | ||
580 | int | |
9dfe12ae | 581 | __gnat_open_rw (char *path, int fmode) |
1fac938e | 582 | { |
583 | int fd; | |
584 | int o_fmode = O_BINARY; | |
585 | ||
586 | if (fmode) | |
587 | o_fmode = O_TEXT; | |
588 | ||
f15731c4 | 589 | #if defined (VMS) |
1fac938e | 590 | fd = open (path, O_RDWR | o_fmode, PERM, |
591 | "mbc=16", "deq=64", "fop=tef"); | |
592 | #else | |
593 | fd = open (path, O_RDWR | o_fmode, PERM); | |
594 | #endif | |
595 | ||
596 | return fd < 0 ? -1 : fd; | |
597 | } | |
598 | ||
599 | int | |
9dfe12ae | 600 | __gnat_open_create (char *path, int fmode) |
1fac938e | 601 | { |
602 | int fd; | |
603 | int o_fmode = O_BINARY; | |
604 | ||
605 | if (fmode) | |
606 | o_fmode = O_TEXT; | |
607 | ||
f15731c4 | 608 | #if defined (VMS) |
1fac938e | 609 | fd = open (path, O_WRONLY | O_CREAT | O_TRUNC | o_fmode, PERM, |
610 | "mbc=16", "deq=64", "fop=tef"); | |
611 | #else | |
612 | fd = open (path, O_WRONLY | O_CREAT | O_TRUNC | o_fmode, PERM); | |
613 | #endif | |
614 | ||
615 | return fd < 0 ? -1 : fd; | |
28ed91d4 | 616 | } |
617 | ||
618 | int | |
619 | __gnat_create_output_file (char *path) | |
620 | { | |
621 | int fd; | |
622 | #if defined (VMS) | |
623 | fd = open (path, O_WRONLY | O_CREAT | O_TRUNC | O_TEXT, PERM, | |
624 | "rfm=stmlf", "ctx=rec", "rat=none", "rop=nlk", | |
625 | "shr=del,get,put,upd"); | |
626 | #else | |
627 | fd = open (path, O_WRONLY | O_CREAT | O_TRUNC | O_TEXT, PERM); | |
628 | #endif | |
629 | ||
630 | return fd < 0 ? -1 : fd; | |
1fac938e | 631 | } |
632 | ||
633 | int | |
9dfe12ae | 634 | __gnat_open_append (char *path, int fmode) |
1fac938e | 635 | { |
636 | int fd; | |
637 | int o_fmode = O_BINARY; | |
638 | ||
639 | if (fmode) | |
640 | o_fmode = O_TEXT; | |
641 | ||
f15731c4 | 642 | #if defined (VMS) |
1fac938e | 643 | fd = open (path, O_WRONLY | O_CREAT | O_APPEND | o_fmode, PERM, |
644 | "mbc=16", "deq=64", "fop=tef"); | |
645 | #else | |
646 | fd = open (path, O_WRONLY | O_CREAT | O_APPEND | o_fmode, PERM); | |
647 | #endif | |
648 | ||
649 | return fd < 0 ? -1 : fd; | |
650 | } | |
651 | ||
f15731c4 | 652 | /* Open a new file. Return error (-1) if the file already exists. */ |
1fac938e | 653 | |
654 | int | |
9dfe12ae | 655 | __gnat_open_new (char *path, int fmode) |
1fac938e | 656 | { |
657 | int fd; | |
658 | int o_fmode = O_BINARY; | |
659 | ||
660 | if (fmode) | |
661 | o_fmode = O_TEXT; | |
662 | ||
f15731c4 | 663 | #if defined (VMS) |
1fac938e | 664 | fd = open (path, O_WRONLY | O_CREAT | O_EXCL | o_fmode, PERM, |
665 | "mbc=16", "deq=64", "fop=tef"); | |
666 | #else | |
667 | fd = open (path, O_WRONLY | O_CREAT | O_EXCL | o_fmode, PERM); | |
668 | #endif | |
669 | ||
670 | return fd < 0 ? -1 : fd; | |
671 | } | |
672 | ||
673 | /* Open a new temp file. Return error (-1) if the file already exists. | |
f15731c4 | 674 | Special options for VMS allow the file to be shared between parent and child |
675 | processes, however they really slow down output. Used in gnatchop. */ | |
1fac938e | 676 | |
677 | int | |
9dfe12ae | 678 | __gnat_open_new_temp (char *path, int fmode) |
1fac938e | 679 | { |
680 | int fd; | |
681 | int o_fmode = O_BINARY; | |
682 | ||
683 | strcpy (path, "GNAT-XXXXXX"); | |
684 | ||
be4b2f73 | 685 | #if (defined (__FreeBSD__) || defined (linux)) && !defined (__vxworks) |
1fac938e | 686 | return mkstemp (path); |
159eb63c | 687 | #elif defined (__Lynx__) |
688 | mktemp (path); | |
1fac938e | 689 | #else |
690 | if (mktemp (path) == NULL) | |
691 | return -1; | |
692 | #endif | |
693 | ||
694 | if (fmode) | |
695 | o_fmode = O_TEXT; | |
696 | ||
f15731c4 | 697 | #if defined (VMS) |
1fac938e | 698 | fd = open (path, O_WRONLY | O_CREAT | O_EXCL | o_fmode, PERM, |
699 | "rfm=stmlf", "ctx=rec", "rat=none", "shr=del,get,put,upd", | |
700 | "mbc=16", "deq=64", "fop=tef"); | |
701 | #else | |
702 | fd = open (path, O_WRONLY | O_CREAT | O_EXCL | o_fmode, PERM); | |
703 | #endif | |
704 | ||
705 | return fd < 0 ? -1 : fd; | |
706 | } | |
707 | ||
f15731c4 | 708 | /* Return the number of bytes in the specified file. */ |
1fac938e | 709 | |
710 | long | |
9dfe12ae | 711 | __gnat_file_length (int fd) |
1fac938e | 712 | { |
713 | int ret; | |
714 | struct stat statbuf; | |
715 | ||
716 | ret = fstat (fd, &statbuf); | |
717 | if (ret || !S_ISREG (statbuf.st_mode)) | |
718 | return 0; | |
719 | ||
720 | return (statbuf.st_size); | |
721 | } | |
722 | ||
723 | /* Create a temporary filename and put it in string pointed to by | |
f15731c4 | 724 | TMP_FILENAME. */ |
1fac938e | 725 | |
726 | void | |
9dfe12ae | 727 | __gnat_tmp_name (char *tmp_filename) |
1fac938e | 728 | { |
729 | #ifdef __MINGW32__ | |
730 | { | |
731 | char *pname; | |
732 | ||
733 | /* tempnam tries to create a temporary file in directory pointed to by | |
734 | TMP environment variable, in c:\temp if TMP is not set, and in | |
735 | directory specified by P_tmpdir in stdio.h if c:\temp does not | |
736 | exist. The filename will be created with the prefix "gnat-". */ | |
737 | ||
738 | pname = (char *) tempnam ("c:\\temp", "gnat-"); | |
739 | ||
9dfe12ae | 740 | /* if pname is NULL, the file was not created properly, the disk is full |
741 | or there is no more free temporary files */ | |
742 | ||
743 | if (pname == NULL) | |
744 | *tmp_filename = '\0'; | |
745 | ||
f15731c4 | 746 | /* If pname start with a back slash and not path information it means that |
747 | the filename is valid for the current working directory. */ | |
1fac938e | 748 | |
9dfe12ae | 749 | else if (pname[0] == '\\') |
1fac938e | 750 | { |
751 | strcpy (tmp_filename, ".\\"); | |
752 | strcat (tmp_filename, pname+1); | |
753 | } | |
754 | else | |
755 | strcpy (tmp_filename, pname); | |
756 | ||
757 | free (pname); | |
758 | } | |
f15731c4 | 759 | |
be4b2f73 | 760 | #elif defined (linux) || defined (__FreeBSD__) |
9dfe12ae | 761 | #define MAX_SAFE_PATH 1000 |
1fac938e | 762 | char *tmpdir = getenv ("TMPDIR"); |
763 | ||
9dfe12ae | 764 | /* If tmpdir is longer than MAX_SAFE_PATH, revert to default value to avoid |
765 | a buffer overflow. */ | |
766 | if (tmpdir == NULL || strlen (tmpdir) > MAX_SAFE_PATH) | |
1fac938e | 767 | strcpy (tmp_filename, "/tmp/gnat-XXXXXX"); |
768 | else | |
9dfe12ae | 769 | sprintf (tmp_filename, "%s/gnat-XXXXXX", tmpdir); |
1fac938e | 770 | |
771 | close (mkstemp(tmp_filename)); | |
772 | #else | |
773 | tmpnam (tmp_filename); | |
774 | #endif | |
775 | } | |
776 | ||
777 | /* Read the next entry in a directory. The returned string points somewhere | |
778 | in the buffer. */ | |
779 | ||
780 | char * | |
9dfe12ae | 781 | __gnat_readdir (DIR *dirp, char *buffer) |
1fac938e | 782 | { |
783 | /* If possible, try to use the thread-safe version. */ | |
784 | #ifdef HAVE_READDIR_R | |
785 | if (readdir_r (dirp, buffer) != NULL) | |
786 | return ((struct dirent*) buffer)->d_name; | |
787 | else | |
788 | return NULL; | |
789 | ||
790 | #else | |
791 | struct dirent *dirent = readdir (dirp); | |
792 | ||
793 | if (dirent != NULL) | |
794 | { | |
795 | strcpy (buffer, dirent->d_name); | |
796 | return buffer; | |
797 | } | |
798 | else | |
799 | return NULL; | |
800 | ||
801 | #endif | |
802 | } | |
803 | ||
804 | /* Returns 1 if readdir is thread safe, 0 otherwise. */ | |
805 | ||
806 | int | |
6f2c2693 | 807 | __gnat_readdir_is_thread_safe (void) |
1fac938e | 808 | { |
809 | #ifdef HAVE_READDIR_R | |
810 | return 1; | |
811 | #else | |
812 | return 0; | |
813 | #endif | |
814 | } | |
815 | ||
816 | #ifdef _WIN32 | |
982e2721 | 817 | /* Number of seconds between <Jan 1st 1601> and <Jan 1st 1970>. */ |
818 | static const unsigned long long w32_epoch_offset = 11644473600ULL; | |
1fac938e | 819 | |
820 | /* Returns the file modification timestamp using Win32 routines which are | |
821 | immune against daylight saving time change. It is in fact not possible to | |
822 | use fstat for this purpose as the DST modify the st_mtime field of the | |
823 | stat structure. */ | |
824 | ||
825 | static time_t | |
9dfe12ae | 826 | win32_filetime (HANDLE h) |
1fac938e | 827 | { |
982e2721 | 828 | union |
829 | { | |
830 | FILETIME ft_time; | |
831 | unsigned long long ull_time; | |
832 | } t_write; | |
1fac938e | 833 | |
834 | /* GetFileTime returns FILETIME data which are the number of 100 nanosecs | |
835 | since <Jan 1st 1601>. This function must return the number of seconds | |
836 | since <Jan 1st 1970>. */ | |
837 | ||
982e2721 | 838 | if (GetFileTime (h, NULL, NULL, &t_write.ft_time)) |
839 | return (time_t) (t_write.ull_time / 10000000ULL | |
840 | - w32_epoch_offset); | |
841 | return (time_t) 0; | |
1fac938e | 842 | } |
843 | #endif | |
844 | ||
845 | /* Return a GNAT time stamp given a file name. */ | |
846 | ||
847 | time_t | |
9dfe12ae | 848 | __gnat_file_time_name (char *name) |
1fac938e | 849 | { |
1fac938e | 850 | |
851 | #if defined (__EMX__) || defined (MSDOS) | |
852 | int fd = open (name, O_RDONLY | O_BINARY); | |
853 | time_t ret = __gnat_file_time_fd (fd); | |
854 | close (fd); | |
855 | return ret; | |
856 | ||
857 | #elif defined (_WIN32) | |
982e2721 | 858 | time_t ret = 0; |
1fac938e | 859 | HANDLE h = CreateFile (name, GENERIC_READ, FILE_SHARE_READ, 0, |
860 | OPEN_EXISTING, FILE_FLAG_BACKUP_SEMANTICS, 0); | |
fabb7dc5 | 861 | |
982e2721 | 862 | if (h != INVALID_HANDLE_VALUE) |
863 | { | |
864 | ret = win32_filetime (h); | |
865 | CloseHandle (h); | |
866 | } | |
1fac938e | 867 | return ret; |
868 | #else | |
f0a28ccb | 869 | struct stat statbuf; |
1fac938e | 870 | (void) __gnat_stat (name, &statbuf); |
871 | #ifdef VMS | |
f15731c4 | 872 | /* VMS has file versioning. */ |
1fac938e | 873 | return statbuf.st_ctime; |
874 | #else | |
875 | return statbuf.st_mtime; | |
876 | #endif | |
877 | #endif | |
878 | } | |
879 | ||
880 | /* Return a GNAT time stamp given a file descriptor. */ | |
881 | ||
882 | time_t | |
9dfe12ae | 883 | __gnat_file_time_fd (int fd) |
1fac938e | 884 | { |
885 | /* The following workaround code is due to the fact that under EMX and | |
886 | DJGPP fstat attempts to convert time values to GMT rather than keep the | |
887 | actual OS timestamp of the file. By using the OS2/DOS functions directly | |
888 | the GNAT timestamp are independent of this behavior, which is desired to | |
f15731c4 | 889 | facilitate the distribution of GNAT compiled libraries. */ |
1fac938e | 890 | |
891 | #if defined (__EMX__) || defined (MSDOS) | |
892 | #ifdef __EMX__ | |
893 | ||
894 | FILESTATUS fs; | |
895 | int ret = DosQueryFileInfo (fd, 1, (unsigned char *) &fs, | |
896 | sizeof (FILESTATUS)); | |
897 | ||
898 | unsigned file_year = fs.fdateLastWrite.year; | |
899 | unsigned file_month = fs.fdateLastWrite.month; | |
900 | unsigned file_day = fs.fdateLastWrite.day; | |
901 | unsigned file_hour = fs.ftimeLastWrite.hours; | |
902 | unsigned file_min = fs.ftimeLastWrite.minutes; | |
903 | unsigned file_tsec = fs.ftimeLastWrite.twosecs; | |
904 | ||
905 | #else | |
906 | struct ftime fs; | |
907 | int ret = getftime (fd, &fs); | |
908 | ||
909 | unsigned file_year = fs.ft_year; | |
910 | unsigned file_month = fs.ft_month; | |
911 | unsigned file_day = fs.ft_day; | |
912 | unsigned file_hour = fs.ft_hour; | |
913 | unsigned file_min = fs.ft_min; | |
914 | unsigned file_tsec = fs.ft_tsec; | |
915 | #endif | |
916 | ||
917 | /* Calculate the seconds since epoch from the time components. First count | |
918 | the whole days passed. The value for years returned by the DOS and OS2 | |
919 | functions count years from 1980, so to compensate for the UNIX epoch which | |
920 | begins in 1970 start with 10 years worth of days and add days for each | |
f15731c4 | 921 | four year period since then. */ |
1fac938e | 922 | |
923 | time_t tot_secs; | |
f15731c4 | 924 | int cum_days[12] = {0, 31, 59, 90, 120, 151, 181, 212, 243, 273, 304, 334}; |
1fac938e | 925 | int days_passed = 3652 + (file_year / 4) * 1461; |
926 | int years_since_leap = file_year % 4; | |
927 | ||
928 | if (years_since_leap == 1) | |
929 | days_passed += 366; | |
930 | else if (years_since_leap == 2) | |
931 | days_passed += 731; | |
932 | else if (years_since_leap == 3) | |
933 | days_passed += 1096; | |
934 | ||
935 | if (file_year > 20) | |
936 | days_passed -= 1; | |
937 | ||
f15731c4 | 938 | days_passed += cum_days[file_month - 1]; |
1fac938e | 939 | if (years_since_leap == 0 && file_year != 20 && file_month > 2) |
940 | days_passed++; | |
941 | ||
942 | days_passed += file_day - 1; | |
943 | ||
f15731c4 | 944 | /* OK - have whole days. Multiply -- then add in other parts. */ |
1fac938e | 945 | |
946 | tot_secs = days_passed * 86400; | |
947 | tot_secs += file_hour * 3600; | |
948 | tot_secs += file_min * 60; | |
949 | tot_secs += file_tsec * 2; | |
950 | return tot_secs; | |
951 | ||
952 | #elif defined (_WIN32) | |
953 | HANDLE h = (HANDLE) _get_osfhandle (fd); | |
954 | time_t ret = win32_filetime (h); | |
1fac938e | 955 | return ret; |
956 | ||
957 | #else | |
958 | struct stat statbuf; | |
959 | ||
960 | (void) fstat (fd, &statbuf); | |
961 | ||
962 | #ifdef VMS | |
f15731c4 | 963 | /* VMS has file versioning. */ |
1fac938e | 964 | return statbuf.st_ctime; |
965 | #else | |
966 | return statbuf.st_mtime; | |
967 | #endif | |
968 | #endif | |
969 | } | |
970 | ||
f15731c4 | 971 | /* Set the file time stamp. */ |
d8dd2062 | 972 | |
973 | void | |
9dfe12ae | 974 | __gnat_set_file_time_name (char *name, time_t time_stamp) |
d8dd2062 | 975 | { |
982e2721 | 976 | #if defined (__EMX__) || defined (MSDOS) || defined (__vxworks) |
71a3e619 | 977 | |
f15731c4 | 978 | /* Code to implement __gnat_set_file_time_name for these systems. */ |
71a3e619 | 979 | |
982e2721 | 980 | #elif defined (_WIN32) |
981 | union | |
982 | { | |
983 | FILETIME ft_time; | |
984 | unsigned long long ull_time; | |
985 | } t_write; | |
fabb7dc5 | 986 | |
982e2721 | 987 | HANDLE h = CreateFile (name, GENERIC_WRITE, FILE_SHARE_WRITE, NULL, |
988 | OPEN_EXISTING, FILE_FLAG_BACKUP_SEMANTICS, | |
989 | NULL); | |
990 | if (h == INVALID_HANDLE_VALUE) | |
991 | return; | |
992 | /* Add number of seconds between <Jan 1st 1601> and <Jan 1st 1970> */ | |
993 | t_write.ull_time = ((unsigned long long)time_stamp + w32_epoch_offset); | |
994 | /* Convert to 100 nanosecond units */ | |
995 | t_write.ull_time *= 10000000ULL; | |
996 | ||
997 | SetFileTime(h, NULL, NULL, &t_write.ft_time); | |
998 | CloseHandle (h); | |
999 | return; | |
1000 | ||
d8dd2062 | 1001 | #elif defined (VMS) |
1002 | struct FAB fab; | |
1003 | struct NAM nam; | |
1004 | ||
1005 | struct | |
1006 | { | |
1007 | unsigned long long backup, create, expire, revise; | |
1008 | unsigned long uic; | |
1009 | union | |
1010 | { | |
1011 | unsigned short value; | |
1012 | struct | |
1013 | { | |
1014 | unsigned system : 4; | |
1015 | unsigned owner : 4; | |
1016 | unsigned group : 4; | |
1017 | unsigned world : 4; | |
1018 | } bits; | |
1019 | } prot; | |
f15731c4 | 1020 | } Fat = { 0, 0, 0, 0, 0, { 0 }}; |
d8dd2062 | 1021 | |
f15731c4 | 1022 | ATRDEF atrlst[] |
d8dd2062 | 1023 | = { |
1024 | { ATR$S_CREDATE, ATR$C_CREDATE, &Fat.create }, | |
1025 | { ATR$S_REVDATE, ATR$C_REVDATE, &Fat.revise }, | |
1026 | { ATR$S_EXPDATE, ATR$C_EXPDATE, &Fat.expire }, | |
1027 | { ATR$S_BAKDATE, ATR$C_BAKDATE, &Fat.backup }, | |
f15731c4 | 1028 | { ATR$S_FPRO, ATR$C_FPRO, &Fat.prot }, |
d8dd2062 | 1029 | { ATR$S_UIC, ATR$C_UIC, &Fat.uic }, |
1030 | { 0, 0, 0} | |
1031 | }; | |
1032 | ||
1033 | FIBDEF fib; | |
1034 | struct dsc$descriptor_fib fibdsc = {sizeof (fib), (void *) &fib}; | |
1035 | ||
1036 | struct IOSB iosb; | |
1037 | ||
1038 | unsigned long long newtime; | |
1039 | unsigned long long revtime; | |
1040 | long status; | |
1041 | short chan; | |
1042 | ||
1043 | struct vstring file; | |
1044 | struct dsc$descriptor_s filedsc | |
1045 | = {NAM$C_MAXRSS, DSC$K_DTYPE_T, DSC$K_CLASS_S, (void *) file.string}; | |
1046 | struct vstring device; | |
1047 | struct dsc$descriptor_s devicedsc | |
1048 | = {NAM$C_MAXRSS, DSC$K_DTYPE_T, DSC$K_CLASS_S, (void *) device.string}; | |
1049 | struct vstring timev; | |
1050 | struct dsc$descriptor_s timedsc | |
1051 | = {NAM$C_MAXRSS, DSC$K_DTYPE_T, DSC$K_CLASS_S, (void *) timev.string}; | |
1052 | struct vstring result; | |
1053 | struct dsc$descriptor_s resultdsc | |
1054 | = {NAM$C_MAXRSS, DSC$K_DTYPE_VT, DSC$K_CLASS_VS, (void *) result.string}; | |
1055 | ||
1056 | tryfile = (char *) __gnat_to_host_dir_spec (name, 0); | |
1057 | ||
f15731c4 | 1058 | /* Allocate and initialize a FAB and NAM structures. */ |
d8dd2062 | 1059 | fab = cc$rms_fab; |
1060 | nam = cc$rms_nam; | |
1061 | ||
1062 | nam.nam$l_esa = file.string; | |
1063 | nam.nam$b_ess = NAM$C_MAXRSS; | |
1064 | nam.nam$l_rsa = result.string; | |
1065 | nam.nam$b_rss = NAM$C_MAXRSS; | |
1066 | fab.fab$l_fna = tryfile; | |
1067 | fab.fab$b_fns = strlen (tryfile); | |
1068 | fab.fab$l_nam = &nam; | |
1069 | ||
f15731c4 | 1070 | /* Validate filespec syntax and device existence. */ |
d8dd2062 | 1071 | status = SYS$PARSE (&fab, 0, 0); |
1072 | if ((status & 1) != 1) | |
1073 | LIB$SIGNAL (status); | |
1074 | ||
f15731c4 | 1075 | file.string[nam.nam$b_esl] = 0; |
d8dd2062 | 1076 | |
f15731c4 | 1077 | /* Find matching filespec. */ |
d8dd2062 | 1078 | status = SYS$SEARCH (&fab, 0, 0); |
1079 | if ((status & 1) != 1) | |
1080 | LIB$SIGNAL (status); | |
1081 | ||
f15731c4 | 1082 | file.string[nam.nam$b_esl] = 0; |
1083 | result.string[result.length=nam.nam$b_rsl] = 0; | |
d8dd2062 | 1084 | |
f15731c4 | 1085 | /* Get the device name and assign an IO channel. */ |
d8dd2062 | 1086 | strncpy (device.string, nam.nam$l_dev, nam.nam$b_dev); |
1087 | devicedsc.dsc$w_length = nam.nam$b_dev; | |
1088 | chan = 0; | |
1089 | status = SYS$ASSIGN (&devicedsc, &chan, 0, 0, 0); | |
1090 | if ((status & 1) != 1) | |
1091 | LIB$SIGNAL (status); | |
1092 | ||
f15731c4 | 1093 | /* Initialize the FIB and fill in the directory id field. */ |
1094 | memset (&fib, 0, sizeof (fib)); | |
1095 | fib.fib$w_did[0] = nam.nam$w_did[0]; | |
1096 | fib.fib$w_did[1] = nam.nam$w_did[1]; | |
1097 | fib.fib$w_did[2] = nam.nam$w_did[2]; | |
d8dd2062 | 1098 | fib.fib$l_acctl = 0; |
1099 | fib.fib$l_wcc = 0; | |
1100 | strcpy (file.string, (strrchr (result.string, ']') + 1)); | |
1101 | filedsc.dsc$w_length = strlen (file.string); | |
f15731c4 | 1102 | result.string[result.length = 0] = 0; |
d8dd2062 | 1103 | |
1104 | /* Open and close the file to fill in the attributes. */ | |
1105 | status | |
1106 | = SYS$QIOW (0, chan, IO$_ACCESS|IO$M_ACCESS, &iosb, 0, 0, | |
1107 | &fibdsc, &filedsc, &result.length, &resultdsc, &atrlst, 0); | |
1108 | if ((status & 1) != 1) | |
1109 | LIB$SIGNAL (status); | |
1110 | if ((iosb.status & 1) != 1) | |
1111 | LIB$SIGNAL (iosb.status); | |
1112 | ||
f15731c4 | 1113 | result.string[result.length] = 0; |
1114 | status = SYS$QIOW (0, chan, IO$_DEACCESS, &iosb, 0, 0, &fibdsc, 0, 0, 0, | |
1115 | &atrlst, 0); | |
d8dd2062 | 1116 | if ((status & 1) != 1) |
1117 | LIB$SIGNAL (status); | |
1118 | if ((iosb.status & 1) != 1) | |
1119 | LIB$SIGNAL (iosb.status); | |
1120 | ||
d8dd2062 | 1121 | { |
1122 | time_t t; | |
f15731c4 | 1123 | |
1124 | /* Set creation time to requested time. */ | |
9dfe12ae | 1125 | unix_time_to_vms (time_stamp, newtime); |
f15731c4 | 1126 | |
d8dd2062 | 1127 | t = time ((time_t) 0); |
d8dd2062 | 1128 | |
f15731c4 | 1129 | /* Set revision time to now in local time. */ |
9dfe12ae | 1130 | unix_time_to_vms (t, revtime); |
d8dd2062 | 1131 | } |
1132 | ||
f15731c4 | 1133 | /* Reopen the file, modify the times and then close. */ |
d8dd2062 | 1134 | fib.fib$l_acctl = FIB$M_WRITE; |
1135 | status | |
1136 | = SYS$QIOW (0, chan, IO$_ACCESS|IO$M_ACCESS, &iosb, 0, 0, | |
1137 | &fibdsc, &filedsc, &result.length, &resultdsc, &atrlst, 0); | |
1138 | if ((status & 1) != 1) | |
1139 | LIB$SIGNAL (status); | |
1140 | if ((iosb.status & 1) != 1) | |
1141 | LIB$SIGNAL (iosb.status); | |
1142 | ||
1143 | Fat.create = newtime; | |
1144 | Fat.revise = revtime; | |
1145 | ||
1146 | status = SYS$QIOW (0, chan, IO$_DEACCESS, &iosb, 0, 0, | |
1147 | &fibdsc, 0, 0, 0, &atrlst, 0); | |
1148 | if ((status & 1) != 1) | |
1149 | LIB$SIGNAL (status); | |
1150 | if ((iosb.status & 1) != 1) | |
1151 | LIB$SIGNAL (iosb.status); | |
1152 | ||
f15731c4 | 1153 | /* Deassign the channel and exit. */ |
d8dd2062 | 1154 | status = SYS$DASSGN (chan); |
1155 | if ((status & 1) != 1) | |
1156 | LIB$SIGNAL (status); | |
1157 | #else | |
1158 | struct utimbuf utimbuf; | |
1159 | time_t t; | |
1160 | ||
f15731c4 | 1161 | /* Set modification time to requested time. */ |
d8dd2062 | 1162 | utimbuf.modtime = time_stamp; |
1163 | ||
f15731c4 | 1164 | /* Set access time to now in local time. */ |
d8dd2062 | 1165 | t = time ((time_t) 0); |
1166 | utimbuf.actime = mktime (localtime (&t)); | |
1167 | ||
1168 | utime (name, &utimbuf); | |
1169 | #endif | |
1170 | } | |
1171 | ||
1fac938e | 1172 | void |
9dfe12ae | 1173 | __gnat_get_env_value_ptr (char *name, int *len, char **value) |
1fac938e | 1174 | { |
1175 | *value = getenv (name); | |
1176 | if (!*value) | |
1177 | *len = 0; | |
1178 | else | |
1179 | *len = strlen (*value); | |
1180 | ||
1181 | return; | |
1182 | } | |
1183 | ||
1184 | /* VMS specific declarations for set_env_value. */ | |
1185 | ||
1186 | #ifdef VMS | |
1187 | ||
9dfe12ae | 1188 | static char *to_host_path_spec (char *); |
1fac938e | 1189 | |
1190 | struct descriptor_s | |
1191 | { | |
1192 | unsigned short len, mbz; | |
1193 | char *adr; | |
1194 | }; | |
1195 | ||
1196 | typedef struct _ile3 | |
1197 | { | |
1198 | unsigned short len, code; | |
1199 | char *adr; | |
1200 | unsigned short *retlen_adr; | |
1201 | } ile_s; | |
1202 | ||
1203 | #endif | |
1204 | ||
1205 | void | |
9dfe12ae | 1206 | __gnat_set_env_value (char *name, char *value) |
1fac938e | 1207 | { |
1208 | #ifdef MSDOS | |
1209 | ||
1210 | #elif defined (VMS) | |
1211 | struct descriptor_s name_desc; | |
f15731c4 | 1212 | /* Put in JOB table for now, so that the project stuff at least works. */ |
1fac938e | 1213 | struct descriptor_s table_desc = {7, 0, "LNM$JOB"}; |
9dfe12ae | 1214 | char *host_pathspec = value; |
1fac938e | 1215 | char *copy_pathspec; |
1216 | int num_dirs_in_pathspec = 1; | |
1217 | char *ptr; | |
9dfe12ae | 1218 | long status; |
1fac938e | 1219 | |
1220 | name_desc.len = strlen (name); | |
1221 | name_desc.mbz = 0; | |
1222 | name_desc.adr = name; | |
1223 | ||
9dfe12ae | 1224 | if (*host_pathspec == 0) |
1225 | /* deassign */ | |
1226 | { | |
1227 | status = LIB$DELETE_LOGICAL (&name_desc, &table_desc); | |
1228 | /* no need to check status; if the logical name is not | |
1229 | defined, that's fine. */ | |
1230 | return; | |
1231 | } | |
1232 | ||
1fac938e | 1233 | ptr = host_pathspec; |
1234 | while (*ptr++) | |
1235 | if (*ptr == ',') | |
1236 | num_dirs_in_pathspec++; | |
1237 | ||
1238 | { | |
1239 | int i, status; | |
1240 | ile_s *ile_array = alloca (sizeof (ile_s) * (num_dirs_in_pathspec + 1)); | |
1241 | char *copy_pathspec = alloca (strlen (host_pathspec) + 1); | |
1242 | char *curr, *next; | |
1243 | ||
1244 | strcpy (copy_pathspec, host_pathspec); | |
1245 | curr = copy_pathspec; | |
1246 | for (i = 0; i < num_dirs_in_pathspec; i++) | |
1247 | { | |
1248 | next = strchr (curr, ','); | |
1249 | if (next == 0) | |
1250 | next = strchr (curr, 0); | |
1251 | ||
1252 | *next = 0; | |
f15731c4 | 1253 | ile_array[i].len = strlen (curr); |
1fac938e | 1254 | |
f15731c4 | 1255 | /* Code 2 from lnmdef.h means its a string. */ |
1256 | ile_array[i].code = 2; | |
1257 | ile_array[i].adr = curr; | |
1fac938e | 1258 | |
f15731c4 | 1259 | /* retlen_adr is ignored. */ |
1260 | ile_array[i].retlen_adr = 0; | |
1fac938e | 1261 | curr = next + 1; |
1262 | } | |
1263 | ||
f15731c4 | 1264 | /* Terminating item must be zero. */ |
1265 | ile_array[i].len = 0; | |
1266 | ile_array[i].code = 0; | |
1267 | ile_array[i].adr = 0; | |
1268 | ile_array[i].retlen_adr = 0; | |
1fac938e | 1269 | |
1270 | status = LIB$SET_LOGICAL (&name_desc, 0, &table_desc, 0, ile_array); | |
1271 | if ((status & 1) != 1) | |
1272 | LIB$SIGNAL (status); | |
1273 | } | |
1274 | ||
1275 | #else | |
1276 | int size = strlen (name) + strlen (value) + 2; | |
1277 | char *expression; | |
1278 | ||
1279 | expression = (char *) xmalloc (size * sizeof (char)); | |
1280 | ||
1281 | sprintf (expression, "%s=%s", name, value); | |
1282 | putenv (expression); | |
1283 | #endif | |
1284 | } | |
1285 | ||
1286 | #ifdef _WIN32 | |
1287 | #include <windows.h> | |
1288 | #endif | |
1289 | ||
1290 | /* Get the list of installed standard libraries from the | |
1291 | HKEY_LOCAL_MACHINE\SOFTWARE\Ada Core Technologies\GNAT\Standard Libraries | |
1292 | key. */ | |
1293 | ||
1294 | char * | |
6f2c2693 | 1295 | __gnat_get_libraries_from_registry (void) |
1fac938e | 1296 | { |
1297 | char *result = (char *) ""; | |
1298 | ||
1299 | #if defined (_WIN32) && ! defined (__vxworks) && ! defined (CROSS_COMPILE) | |
1300 | ||
1301 | HKEY reg_key; | |
1302 | DWORD name_size, value_size; | |
1303 | char name[256]; | |
1304 | char value[256]; | |
1305 | DWORD type; | |
1306 | DWORD index; | |
1307 | LONG res; | |
1308 | ||
1309 | /* First open the key. */ | |
1310 | res = RegOpenKeyExA (HKEY_LOCAL_MACHINE, "SOFTWARE", 0, KEY_READ, ®_key); | |
1311 | ||
1312 | if (res == ERROR_SUCCESS) | |
1313 | res = RegOpenKeyExA (reg_key, "Ada Core Technologies", 0, | |
1314 | KEY_READ, ®_key); | |
1315 | ||
1316 | if (res == ERROR_SUCCESS) | |
1317 | res = RegOpenKeyExA (reg_key, "GNAT", 0, KEY_READ, ®_key); | |
1318 | ||
1319 | if (res == ERROR_SUCCESS) | |
1320 | res = RegOpenKeyExA (reg_key, "Standard Libraries", 0, KEY_READ, ®_key); | |
1321 | ||
1322 | /* If the key exists, read out all the values in it and concatenate them | |
1323 | into a path. */ | |
1324 | for (index = 0; res == ERROR_SUCCESS; index++) | |
1325 | { | |
1326 | value_size = name_size = 256; | |
1327 | res = RegEnumValue (reg_key, index, name, &name_size, 0, | |
1328 | &type, value, &value_size); | |
1329 | ||
1330 | if (res == ERROR_SUCCESS && type == REG_SZ) | |
1331 | { | |
1332 | char *old_result = result; | |
1333 | ||
1334 | result = (char *) xmalloc (strlen (old_result) + value_size + 2); | |
1335 | strcpy (result, old_result); | |
1336 | strcat (result, value); | |
1337 | strcat (result, ";"); | |
1338 | } | |
1339 | } | |
1340 | ||
1341 | /* Remove the trailing ";". */ | |
1342 | if (result[0] != 0) | |
1343 | result[strlen (result) - 1] = 0; | |
1344 | ||
1345 | #endif | |
1346 | return result; | |
1347 | } | |
1348 | ||
1349 | int | |
9dfe12ae | 1350 | __gnat_stat (char *name, struct stat *statbuf) |
1fac938e | 1351 | { |
1352 | #ifdef _WIN32 | |
1353 | /* Under Windows the directory name for the stat function must not be | |
1354 | terminated by a directory separator except if just after a drive name. */ | |
1355 | int name_len = strlen (name); | |
f15731c4 | 1356 | char last_char = name[name_len - 1]; |
e7b2d6bc | 1357 | char win32_name[GNAT_MAX_PATH_LEN + 2]; |
1358 | ||
1359 | if (name_len > GNAT_MAX_PATH_LEN) | |
1360 | return -1; | |
1fac938e | 1361 | |
1362 | strcpy (win32_name, name); | |
1363 | ||
1364 | while (name_len > 1 && (last_char == '\\' || last_char == '/')) | |
1365 | { | |
f15731c4 | 1366 | win32_name[name_len - 1] = '\0'; |
1fac938e | 1367 | name_len--; |
1368 | last_char = win32_name[name_len - 1]; | |
1369 | } | |
1370 | ||
f15731c4 | 1371 | if (name_len == 2 && win32_name[1] == ':') |
1fac938e | 1372 | strcat (win32_name, "\\"); |
1373 | ||
1374 | return stat (win32_name, statbuf); | |
1375 | ||
1376 | #else | |
1377 | return stat (name, statbuf); | |
1378 | #endif | |
1379 | } | |
1380 | ||
1381 | int | |
9dfe12ae | 1382 | __gnat_file_exists (char *name) |
1fac938e | 1383 | { |
1384 | struct stat statbuf; | |
1385 | ||
1386 | return !__gnat_stat (name, &statbuf); | |
1387 | } | |
1388 | ||
9dfe12ae | 1389 | int |
1390 | __gnat_is_absolute_path (char *name) | |
1fac938e | 1391 | { |
1392 | return (*name == '/' || *name == DIR_SEPARATOR | |
f15731c4 | 1393 | #if defined (__EMX__) || defined (MSDOS) || defined (WINNT) |
f0a28ccb | 1394 | || (strlen (name) > 1 && isalpha (name[0]) && name[1] == ':') |
1fac938e | 1395 | #endif |
1396 | ); | |
1397 | } | |
1398 | ||
1399 | int | |
9dfe12ae | 1400 | __gnat_is_regular_file (char *name) |
1fac938e | 1401 | { |
1402 | int ret; | |
1403 | struct stat statbuf; | |
1404 | ||
1405 | ret = __gnat_stat (name, &statbuf); | |
1406 | return (!ret && S_ISREG (statbuf.st_mode)); | |
1407 | } | |
1408 | ||
1409 | int | |
9dfe12ae | 1410 | __gnat_is_directory (char *name) |
1fac938e | 1411 | { |
1412 | int ret; | |
1413 | struct stat statbuf; | |
1414 | ||
1415 | ret = __gnat_stat (name, &statbuf); | |
1416 | return (!ret && S_ISDIR (statbuf.st_mode)); | |
1417 | } | |
1418 | ||
1419 | int | |
9dfe12ae | 1420 | __gnat_is_readable_file (char *name) |
1421 | { | |
1422 | int ret; | |
1423 | int mode; | |
1424 | struct stat statbuf; | |
1425 | ||
1426 | ret = __gnat_stat (name, &statbuf); | |
1427 | mode = statbuf.st_mode & S_IRUSR; | |
1428 | return (!ret && mode); | |
1429 | } | |
1430 | ||
1431 | int | |
1432 | __gnat_is_writable_file (char *name) | |
1fac938e | 1433 | { |
1434 | int ret; | |
1435 | int mode; | |
1436 | struct stat statbuf; | |
1437 | ||
1438 | ret = __gnat_stat (name, &statbuf); | |
1439 | mode = statbuf.st_mode & S_IWUSR; | |
1440 | return (!ret && mode); | |
1441 | } | |
1442 | ||
9dfe12ae | 1443 | void |
1444 | __gnat_set_writable (char *name) | |
1445 | { | |
1446 | #ifndef __vxworks | |
1447 | struct stat statbuf; | |
1448 | ||
1449 | if (stat (name, &statbuf) == 0) | |
1450 | { | |
1451 | statbuf.st_mode = statbuf.st_mode | S_IWUSR; | |
1452 | chmod (name, statbuf.st_mode); | |
1453 | } | |
1454 | #endif | |
1455 | } | |
1456 | ||
1457 | void | |
1458 | __gnat_set_readonly (char *name) | |
1459 | { | |
1460 | #ifndef __vxworks | |
1461 | struct stat statbuf; | |
1462 | ||
1463 | if (stat (name, &statbuf) == 0) | |
1464 | { | |
1465 | statbuf.st_mode = statbuf.st_mode & 07577; | |
1466 | chmod (name, statbuf.st_mode); | |
1467 | } | |
1468 | #endif | |
1469 | } | |
1470 | ||
1471 | int | |
f0a28ccb | 1472 | __gnat_is_symbolic_link (char *name ATTRIBUTE_UNUSED) |
9dfe12ae | 1473 | { |
1474 | #if defined (__vxworks) | |
1475 | return 0; | |
1476 | ||
1477 | #elif defined (_AIX) || defined (unix) | |
1478 | int ret; | |
1479 | struct stat statbuf; | |
1480 | ||
1481 | ret = lstat (name, &statbuf); | |
1482 | return (!ret && S_ISLNK (statbuf.st_mode)); | |
1483 | ||
1484 | #else | |
1485 | return 0; | |
1486 | #endif | |
1487 | } | |
1488 | ||
1fac938e | 1489 | #ifdef VMS |
f15731c4 | 1490 | /* Defined in VMS header files. */ |
cafd02b3 | 1491 | #if defined (__ALPHA) |
1fac938e | 1492 | #define fork() (decc$$alloc_vfork_blocks() >= 0 ? \ |
cafd02b3 | 1493 | LIB$GET_CURRENT_INVO_CONTEXT (decc$$get_vfork_jmpbuf()) : -1) |
1494 | #elif defined (__IA64) | |
1495 | #define fork() (decc$$alloc_vfork_blocks() >= 0 ? \ | |
1496 | LIB$I64_GET_CURR_INVO_CONTEXT(decc$$get_vfork_jmpbuf()) : -1) | |
1497 | #endif | |
1fac938e | 1498 | #endif |
1499 | ||
1500 | #if defined (sun) && defined (__SVR4) | |
1501 | /* Using fork on Solaris will duplicate all the threads. fork1, which | |
1502 | duplicates only the active thread, must be used instead, or spawning | |
1503 | subprocess from a program with tasking will lead into numerous problems. */ | |
1504 | #define fork fork1 | |
1505 | #endif | |
1506 | ||
1507 | int | |
9dfe12ae | 1508 | __gnat_portable_spawn (char *args[]) |
1fac938e | 1509 | { |
1510 | int status = 0; | |
f0a28ccb | 1511 | int finished ATTRIBUTE_UNUSED; |
1512 | int pid ATTRIBUTE_UNUSED; | |
1fac938e | 1513 | |
1514 | #if defined (MSDOS) || defined (_WIN32) | |
f0a28ccb | 1515 | status = spawnvp (P_WAIT, args[0],(const char* const*)args); |
1fac938e | 1516 | if (status < 0) |
f15731c4 | 1517 | return -1; |
1fac938e | 1518 | else |
1519 | return status; | |
1520 | ||
f15731c4 | 1521 | #elif defined (__vxworks) |
1522 | return -1; | |
1fac938e | 1523 | #else |
1524 | ||
1525 | #ifdef __EMX__ | |
f15731c4 | 1526 | pid = spawnvp (P_NOWAIT, args[0], args); |
1fac938e | 1527 | if (pid == -1) |
f15731c4 | 1528 | return -1; |
1529 | ||
1fac938e | 1530 | #else |
1531 | pid = fork (); | |
f15731c4 | 1532 | if (pid < 0) |
1533 | return -1; | |
1fac938e | 1534 | |
f15731c4 | 1535 | if (pid == 0) |
1536 | { | |
1537 | /* The child. */ | |
1538 | if (execv (args[0], args) != 0) | |
1539 | #if defined (VMS) | |
1540 | return -1; /* execv is in parent context on VMS. */ | |
1541 | #else | |
1542 | _exit (1); | |
1543 | #endif | |
1544 | } | |
1fac938e | 1545 | #endif |
1546 | ||
f15731c4 | 1547 | /* The parent. */ |
1fac938e | 1548 | finished = waitpid (pid, &status, 0); |
1549 | ||
1550 | if (finished != pid || WIFEXITED (status) == 0) | |
f15731c4 | 1551 | return -1; |
1fac938e | 1552 | |
1553 | return WEXITSTATUS (status); | |
1554 | #endif | |
f15731c4 | 1555 | |
1fac938e | 1556 | return 0; |
1557 | } | |
1558 | ||
f15731c4 | 1559 | /* WIN32 code to implement a wait call that wait for any child process. */ |
1560 | ||
1fac938e | 1561 | #ifdef _WIN32 |
1562 | ||
1563 | /* Synchronization code, to be thread safe. */ | |
1564 | ||
1565 | static CRITICAL_SECTION plist_cs; | |
1566 | ||
1567 | void | |
f0a28ccb | 1568 | __gnat_plist_init (void) |
1fac938e | 1569 | { |
1570 | InitializeCriticalSection (&plist_cs); | |
1571 | } | |
1572 | ||
1573 | static void | |
f0a28ccb | 1574 | plist_enter (void) |
1fac938e | 1575 | { |
1576 | EnterCriticalSection (&plist_cs); | |
1577 | } | |
1578 | ||
f15731c4 | 1579 | static void |
f0a28ccb | 1580 | plist_leave (void) |
1fac938e | 1581 | { |
1582 | LeaveCriticalSection (&plist_cs); | |
1583 | } | |
1584 | ||
1585 | typedef struct _process_list | |
1586 | { | |
1587 | HANDLE h; | |
1588 | struct _process_list *next; | |
1589 | } Process_List; | |
1590 | ||
1591 | static Process_List *PLIST = NULL; | |
1592 | ||
1593 | static int plist_length = 0; | |
1594 | ||
1595 | static void | |
9dfe12ae | 1596 | add_handle (HANDLE h) |
1fac938e | 1597 | { |
1598 | Process_List *pl; | |
1599 | ||
1600 | pl = (Process_List *) xmalloc (sizeof (Process_List)); | |
1601 | ||
1602 | plist_enter(); | |
1603 | ||
1604 | /* -------------------- critical section -------------------- */ | |
1605 | pl->h = h; | |
1606 | pl->next = PLIST; | |
1607 | PLIST = pl; | |
1608 | ++plist_length; | |
1609 | /* -------------------- critical section -------------------- */ | |
1610 | ||
1611 | plist_leave(); | |
1612 | } | |
1613 | ||
f0a28ccb | 1614 | static void |
1615 | remove_handle (HANDLE h) | |
1fac938e | 1616 | { |
f0a28ccb | 1617 | Process_List *pl; |
1618 | Process_List *prev = NULL; | |
1fac938e | 1619 | |
1620 | plist_enter(); | |
1621 | ||
1622 | /* -------------------- critical section -------------------- */ | |
1623 | pl = PLIST; | |
1624 | while (pl) | |
1625 | { | |
1626 | if (pl->h == h) | |
1627 | { | |
1628 | if (pl == PLIST) | |
1629 | PLIST = pl->next; | |
1630 | else | |
1631 | prev->next = pl->next; | |
1632 | free (pl); | |
1633 | break; | |
1634 | } | |
1635 | else | |
1636 | { | |
1637 | prev = pl; | |
1638 | pl = pl->next; | |
1639 | } | |
1640 | } | |
1641 | ||
1642 | --plist_length; | |
1643 | /* -------------------- critical section -------------------- */ | |
1644 | ||
1645 | plist_leave(); | |
1646 | } | |
1647 | ||
1648 | static int | |
9dfe12ae | 1649 | win32_no_block_spawn (char *command, char *args[]) |
1fac938e | 1650 | { |
1651 | BOOL result; | |
1652 | STARTUPINFO SI; | |
1653 | PROCESS_INFORMATION PI; | |
1654 | SECURITY_ATTRIBUTES SA; | |
f15731c4 | 1655 | int csize = 1; |
1656 | char *full_command; | |
1fac938e | 1657 | int k; |
1658 | ||
f15731c4 | 1659 | /* compute the total command line length */ |
1660 | k = 0; | |
1661 | while (args[k]) | |
1662 | { | |
1663 | csize += strlen (args[k]) + 1; | |
1664 | k++; | |
1665 | } | |
1666 | ||
1667 | full_command = (char *) xmalloc (csize); | |
1668 | ||
1fac938e | 1669 | /* Startup info. */ |
1670 | SI.cb = sizeof (STARTUPINFO); | |
1671 | SI.lpReserved = NULL; | |
1672 | SI.lpReserved2 = NULL; | |
1673 | SI.lpDesktop = NULL; | |
1674 | SI.cbReserved2 = 0; | |
1675 | SI.lpTitle = NULL; | |
1676 | SI.dwFlags = 0; | |
1677 | SI.wShowWindow = SW_HIDE; | |
1678 | ||
1679 | /* Security attributes. */ | |
1680 | SA.nLength = sizeof (SECURITY_ATTRIBUTES); | |
1681 | SA.bInheritHandle = TRUE; | |
1682 | SA.lpSecurityDescriptor = NULL; | |
1683 | ||
1684 | /* Prepare the command string. */ | |
1685 | strcpy (full_command, command); | |
1686 | strcat (full_command, " "); | |
1687 | ||
1688 | k = 1; | |
1689 | while (args[k]) | |
1690 | { | |
1691 | strcat (full_command, args[k]); | |
1692 | strcat (full_command, " "); | |
1693 | k++; | |
1694 | } | |
1695 | ||
1696 | result = CreateProcess (NULL, (char *) full_command, &SA, NULL, TRUE, | |
1697 | NORMAL_PRIORITY_CLASS, NULL, NULL, &SI, &PI); | |
1698 | ||
f15731c4 | 1699 | free (full_command); |
1700 | ||
1fac938e | 1701 | if (result == TRUE) |
1702 | { | |
1703 | add_handle (PI.hProcess); | |
1704 | CloseHandle (PI.hThread); | |
1705 | return (int) PI.hProcess; | |
1706 | } | |
1707 | else | |
1708 | return -1; | |
1709 | } | |
1710 | ||
1711 | static int | |
9dfe12ae | 1712 | win32_wait (int *status) |
1fac938e | 1713 | { |
1714 | DWORD exitcode; | |
1715 | HANDLE *hl; | |
1716 | HANDLE h; | |
1717 | DWORD res; | |
1718 | int k; | |
1719 | Process_List *pl; | |
1720 | ||
1721 | if (plist_length == 0) | |
1722 | { | |
1723 | errno = ECHILD; | |
1724 | return -1; | |
1725 | } | |
1726 | ||
1727 | hl = (HANDLE *) xmalloc (sizeof (HANDLE) * plist_length); | |
1728 | ||
1729 | k = 0; | |
1730 | plist_enter(); | |
1731 | ||
1732 | /* -------------------- critical section -------------------- */ | |
1733 | pl = PLIST; | |
1734 | while (pl) | |
1735 | { | |
1736 | hl[k++] = pl->h; | |
1737 | pl = pl->next; | |
1738 | } | |
1739 | /* -------------------- critical section -------------------- */ | |
1740 | ||
1741 | plist_leave(); | |
1742 | ||
1743 | res = WaitForMultipleObjects (plist_length, hl, FALSE, INFINITE); | |
f15731c4 | 1744 | h = hl[res - WAIT_OBJECT_0]; |
1fac938e | 1745 | free (hl); |
1746 | ||
1747 | remove_handle (h); | |
1748 | ||
1749 | GetExitCodeProcess (h, &exitcode); | |
1750 | CloseHandle (h); | |
1751 | ||
1752 | *status = (int) exitcode; | |
1753 | return (int) h; | |
1754 | } | |
1755 | ||
1756 | #endif | |
1757 | ||
1758 | int | |
9dfe12ae | 1759 | __gnat_portable_no_block_spawn (char *args[]) |
1fac938e | 1760 | { |
1761 | int pid = 0; | |
1762 | ||
1763 | #if defined (__EMX__) || defined (MSDOS) | |
1764 | ||
1765 | /* ??? For PC machines I (Franco) don't know the system calls to implement | |
1766 | this routine. So I'll fake it as follows. This routine will behave | |
1767 | exactly like the blocking portable_spawn and will systematically return | |
1768 | a pid of 0 unless the spawned task did not complete successfully, in | |
1769 | which case we return a pid of -1. To synchronize with this the | |
1770 | portable_wait below systematically returns a pid of 0 and reports that | |
1771 | the subprocess terminated successfully. */ | |
1772 | ||
f15731c4 | 1773 | if (spawnvp (P_WAIT, args[0], args) != 0) |
1fac938e | 1774 | return -1; |
1775 | ||
1776 | #elif defined (_WIN32) | |
1777 | ||
1778 | pid = win32_no_block_spawn (args[0], args); | |
1779 | return pid; | |
1780 | ||
f15731c4 | 1781 | #elif defined (__vxworks) |
1782 | return -1; | |
1fac938e | 1783 | |
1784 | #else | |
1785 | pid = fork (); | |
1786 | ||
f15731c4 | 1787 | if (pid == 0) |
1788 | { | |
1789 | /* The child. */ | |
1790 | if (execv (args[0], args) != 0) | |
1791 | #if defined (VMS) | |
1792 | return -1; /* execv is in parent context on VMS. */ | |
9dfe12ae | 1793 | #else |
f15731c4 | 1794 | _exit (1); |
1795 | #endif | |
1796 | } | |
1797 | ||
1fac938e | 1798 | #endif |
1799 | ||
1800 | return pid; | |
1801 | } | |
1802 | ||
1803 | int | |
9dfe12ae | 1804 | __gnat_portable_wait (int *process_status) |
1fac938e | 1805 | { |
1806 | int status = 0; | |
1807 | int pid = 0; | |
1808 | ||
1809 | #if defined (_WIN32) | |
1810 | ||
1811 | pid = win32_wait (&status); | |
1812 | ||
1813 | #elif defined (__EMX__) || defined (MSDOS) | |
f15731c4 | 1814 | /* ??? See corresponding comment in portable_no_block_spawn. */ |
1fac938e | 1815 | |
1816 | #elif defined (__vxworks) | |
1817 | /* Not sure what to do here, so do same as __EMX__ case, i.e., nothing but | |
f15731c4 | 1818 | return zero. */ |
1fac938e | 1819 | #else |
1820 | ||
1fac938e | 1821 | pid = waitpid (-1, &status, 0); |
1fac938e | 1822 | status = status & 0xffff; |
1823 | #endif | |
1824 | ||
1825 | *process_status = status; | |
1826 | return pid; | |
1827 | } | |
1828 | ||
f15731c4 | 1829 | int |
9dfe12ae | 1830 | __gnat_waitpid (int pid) |
f15731c4 | 1831 | { |
1832 | int status = 0; | |
1833 | ||
1834 | #if defined (_WIN32) | |
1835 | cwait (&status, pid, _WAIT_CHILD); | |
1836 | #elif defined (__EMX__) || defined (MSDOS) || defined (__vxworks) | |
1837 | /* Status is already zero, so nothing to do. */ | |
1838 | #else | |
1839 | waitpid (pid, &status, 0); | |
1840 | status = WEXITSTATUS (status); | |
1841 | #endif | |
1842 | ||
1843 | return status; | |
1844 | } | |
1845 | ||
1fac938e | 1846 | void |
9dfe12ae | 1847 | __gnat_os_exit (int status) |
1fac938e | 1848 | { |
1fac938e | 1849 | exit (status); |
1fac938e | 1850 | } |
1851 | ||
f15731c4 | 1852 | /* Locate a regular file, give a Path value. */ |
1fac938e | 1853 | |
1854 | char * | |
9dfe12ae | 1855 | __gnat_locate_regular_file (char *file_name, char *path_val) |
1fac938e | 1856 | { |
1857 | char *ptr; | |
9dfe12ae | 1858 | int absolute = __gnat_is_absolute_path (file_name); |
1fac938e | 1859 | |
f15731c4 | 1860 | /* Handle absolute pathnames. */ |
9dfe12ae | 1861 | if (absolute) |
1862 | { | |
1863 | if (__gnat_is_regular_file (file_name)) | |
1864 | return xstrdup (file_name); | |
1865 | ||
1866 | return 0; | |
1867 | } | |
1868 | ||
1869 | /* If file_name include directory separator(s), try it first as | |
1870 | a path name relative to the current directory */ | |
1fac938e | 1871 | for (ptr = file_name; *ptr && *ptr != '/' && *ptr != DIR_SEPARATOR; ptr++) |
1872 | ; | |
1873 | ||
9dfe12ae | 1874 | if (*ptr != 0) |
1fac938e | 1875 | { |
1876 | if (__gnat_is_regular_file (file_name)) | |
1877 | return xstrdup (file_name); | |
1fac938e | 1878 | } |
1879 | ||
1880 | if (path_val == 0) | |
1881 | return 0; | |
1882 | ||
1883 | { | |
1884 | /* The result has to be smaller than path_val + file_name. */ | |
1885 | char *file_path = alloca (strlen (path_val) + strlen (file_name) + 2); | |
1886 | ||
1887 | for (;;) | |
1888 | { | |
1889 | for (; *path_val == PATH_SEPARATOR; path_val++) | |
1890 | ; | |
1891 | ||
1892 | if (*path_val == 0) | |
1893 | return 0; | |
1894 | ||
1895 | for (ptr = file_path; *path_val && *path_val != PATH_SEPARATOR; ) | |
1896 | *ptr++ = *path_val++; | |
1897 | ||
1898 | ptr--; | |
1899 | if (*ptr != '/' && *ptr != DIR_SEPARATOR) | |
1900 | *++ptr = DIR_SEPARATOR; | |
1901 | ||
1902 | strcpy (++ptr, file_name); | |
1903 | ||
1904 | if (__gnat_is_regular_file (file_path)) | |
1905 | return xstrdup (file_path); | |
1906 | } | |
1907 | } | |
1908 | ||
1909 | return 0; | |
1910 | } | |
1911 | ||
1fac938e | 1912 | /* Locate an executable given a Path argument. This routine is only used by |
1913 | gnatbl and should not be used otherwise. Use locate_exec_on_path | |
f15731c4 | 1914 | instead. */ |
1fac938e | 1915 | |
1916 | char * | |
9dfe12ae | 1917 | __gnat_locate_exec (char *exec_name, char *path_val) |
1fac938e | 1918 | { |
1919 | if (!strstr (exec_name, HOST_EXECUTABLE_SUFFIX)) | |
1920 | { | |
1921 | char *full_exec_name | |
1922 | = alloca (strlen (exec_name) + strlen (HOST_EXECUTABLE_SUFFIX) + 1); | |
1923 | ||
1924 | strcpy (full_exec_name, exec_name); | |
1925 | strcat (full_exec_name, HOST_EXECUTABLE_SUFFIX); | |
1926 | return __gnat_locate_regular_file (full_exec_name, path_val); | |
1927 | } | |
1928 | else | |
1929 | return __gnat_locate_regular_file (exec_name, path_val); | |
1930 | } | |
1931 | ||
f15731c4 | 1932 | /* Locate an executable using the Systems default PATH. */ |
1fac938e | 1933 | |
1934 | char * | |
9dfe12ae | 1935 | __gnat_locate_exec_on_path (char *exec_name) |
1fac938e | 1936 | { |
9dfe12ae | 1937 | char *apath_val; |
1fac938e | 1938 | #ifdef VMS |
1939 | char *path_val = "/VAXC$PATH"; | |
1940 | #else | |
1941 | char *path_val = getenv ("PATH"); | |
1942 | #endif | |
9dfe12ae | 1943 | #ifdef _WIN32 |
1944 | /* In Win32 systems we expand the PATH as for XP environment | |
1945 | variables are not automatically expanded. */ | |
1946 | int len = strlen (path_val) * 3; | |
1947 | char *expanded_path_val = alloca (len + 1); | |
1948 | ||
1949 | DWORD res = ExpandEnvironmentStrings (path_val, expanded_path_val, len); | |
1950 | ||
1951 | if (res != 0) | |
1952 | { | |
1953 | path_val = expanded_path_val; | |
1954 | } | |
1955 | #endif | |
1fac938e | 1956 | |
9dfe12ae | 1957 | apath_val = alloca (strlen (path_val) + 1); |
1fac938e | 1958 | strcpy (apath_val, path_val); |
9dfe12ae | 1959 | |
1fac938e | 1960 | return __gnat_locate_exec (exec_name, apath_val); |
1961 | } | |
1962 | ||
1963 | #ifdef VMS | |
1964 | ||
1965 | /* These functions are used to translate to and from VMS and Unix syntax | |
f15731c4 | 1966 | file, directory and path specifications. */ |
1fac938e | 1967 | |
9dfe12ae | 1968 | #define MAXPATH 256 |
1fac938e | 1969 | #define MAXNAMES 256 |
1970 | #define NEW_CANONICAL_FILELIST_INCREMENT 64 | |
1971 | ||
9dfe12ae | 1972 | static char new_canonical_dirspec [MAXPATH]; |
1973 | static char new_canonical_filespec [MAXPATH]; | |
1974 | static char new_canonical_pathspec [MAXNAMES*MAXPATH]; | |
1fac938e | 1975 | static unsigned new_canonical_filelist_index; |
1976 | static unsigned new_canonical_filelist_in_use; | |
1977 | static unsigned new_canonical_filelist_allocated; | |
1978 | static char **new_canonical_filelist; | |
9dfe12ae | 1979 | static char new_host_pathspec [MAXNAMES*MAXPATH]; |
1980 | static char new_host_dirspec [MAXPATH]; | |
1981 | static char new_host_filespec [MAXPATH]; | |
1fac938e | 1982 | |
1983 | /* Routine is called repeatedly by decc$from_vms via | |
9dfe12ae | 1984 | __gnat_to_canonical_file_list_init until it returns 0 or the expansion |
1985 | runs out. */ | |
1fac938e | 1986 | |
1987 | static int | |
9dfe12ae | 1988 | wildcard_translate_unix (char *name) |
1fac938e | 1989 | { |
1990 | char *ver; | |
9dfe12ae | 1991 | char buff [MAXPATH]; |
1fac938e | 1992 | |
9dfe12ae | 1993 | strncpy (buff, name, MAXPATH); |
1994 | buff [MAXPATH - 1] = (char) 0; | |
1fac938e | 1995 | ver = strrchr (buff, '.'); |
1996 | ||
f15731c4 | 1997 | /* Chop off the version. */ |
1fac938e | 1998 | if (ver) |
1999 | *ver = 0; | |
2000 | ||
f15731c4 | 2001 | /* Dynamically extend the allocation by the increment. */ |
1fac938e | 2002 | if (new_canonical_filelist_in_use == new_canonical_filelist_allocated) |
2003 | { | |
2004 | new_canonical_filelist_allocated += NEW_CANONICAL_FILELIST_INCREMENT; | |
f15731c4 | 2005 | new_canonical_filelist = (char **) xrealloc |
1fac938e | 2006 | (new_canonical_filelist, |
2007 | new_canonical_filelist_allocated * sizeof (char *)); | |
2008 | } | |
2009 | ||
2010 | new_canonical_filelist[new_canonical_filelist_in_use++] = xstrdup (buff); | |
2011 | ||
2012 | return 1; | |
2013 | } | |
2014 | ||
f15731c4 | 2015 | /* Translate a wildcard VMS file spec into a list of Unix file specs. First do |
2016 | full translation and copy the results into a list (_init), then return them | |
2017 | one at a time (_next). If onlydirs set, only expand directory files. */ | |
1fac938e | 2018 | |
2019 | int | |
9dfe12ae | 2020 | __gnat_to_canonical_file_list_init (char *filespec, int onlydirs) |
1fac938e | 2021 | { |
2022 | int len; | |
9dfe12ae | 2023 | char buff [MAXPATH]; |
1fac938e | 2024 | |
2025 | len = strlen (filespec); | |
9dfe12ae | 2026 | strncpy (buff, filespec, MAXPATH); |
2027 | ||
2028 | /* Only look for directories */ | |
2029 | if (onlydirs && !strstr (&buff [len-5], "*.dir")) | |
2030 | strncat (buff, "*.dir", MAXPATH); | |
1fac938e | 2031 | |
9dfe12ae | 2032 | buff [MAXPATH - 1] = (char) 0; |
1fac938e | 2033 | |
2034 | decc$from_vms (buff, wildcard_translate_unix, 1); | |
2035 | ||
f15731c4 | 2036 | /* Remove the .dir extension. */ |
1fac938e | 2037 | if (onlydirs) |
2038 | { | |
2039 | int i; | |
2040 | char *ext; | |
2041 | ||
2042 | for (i = 0; i < new_canonical_filelist_in_use; i++) | |
2043 | { | |
f15731c4 | 2044 | ext = strstr (new_canonical_filelist[i], ".dir"); |
1fac938e | 2045 | if (ext) |
2046 | *ext = 0; | |
2047 | } | |
2048 | } | |
2049 | ||
2050 | return new_canonical_filelist_in_use; | |
2051 | } | |
2052 | ||
f15731c4 | 2053 | /* Return the next filespec in the list. */ |
1fac938e | 2054 | |
2055 | char * | |
2056 | __gnat_to_canonical_file_list_next () | |
2057 | { | |
f15731c4 | 2058 | return new_canonical_filelist[new_canonical_filelist_index++]; |
1fac938e | 2059 | } |
2060 | ||
f15731c4 | 2061 | /* Free storage used in the wildcard expansion. */ |
1fac938e | 2062 | |
2063 | void | |
2064 | __gnat_to_canonical_file_list_free () | |
2065 | { | |
2066 | int i; | |
2067 | ||
2068 | for (i = 0; i < new_canonical_filelist_in_use; i++) | |
f15731c4 | 2069 | free (new_canonical_filelist[i]); |
1fac938e | 2070 | |
2071 | free (new_canonical_filelist); | |
2072 | ||
2073 | new_canonical_filelist_in_use = 0; | |
2074 | new_canonical_filelist_allocated = 0; | |
2075 | new_canonical_filelist_index = 0; | |
2076 | new_canonical_filelist = 0; | |
2077 | } | |
2078 | ||
f15731c4 | 2079 | /* Translate a VMS syntax directory specification in to Unix syntax. If |
2080 | PREFIXFLAG is set, append an underscore "/". If no indicators of VMS syntax | |
2081 | found, return input string. Also translate a dirname that contains no | |
2082 | slashes, in case it's a logical name. */ | |
1fac938e | 2083 | |
2084 | char * | |
9dfe12ae | 2085 | __gnat_to_canonical_dir_spec (char *dirspec, int prefixflag) |
1fac938e | 2086 | { |
2087 | int len; | |
2088 | ||
2089 | strcpy (new_canonical_dirspec, ""); | |
2090 | if (strlen (dirspec)) | |
2091 | { | |
2092 | char *dirspec1; | |
2093 | ||
2094 | if (strchr (dirspec, ']') || strchr (dirspec, ':')) | |
9dfe12ae | 2095 | { |
2096 | strncpy (new_canonical_dirspec, | |
2097 | (char *) decc$translate_vms (dirspec), | |
2098 | MAXPATH); | |
2099 | } | |
1fac938e | 2100 | else if (!strchr (dirspec, '/') && (dirspec1 = getenv (dirspec)) != 0) |
9dfe12ae | 2101 | { |
2102 | strncpy (new_canonical_dirspec, | |
2103 | (char *) decc$translate_vms (dirspec1), | |
2104 | MAXPATH); | |
2105 | } | |
1fac938e | 2106 | else |
9dfe12ae | 2107 | { |
2108 | strncpy (new_canonical_dirspec, dirspec, MAXPATH); | |
2109 | } | |
1fac938e | 2110 | } |
2111 | ||
2112 | len = strlen (new_canonical_dirspec); | |
9dfe12ae | 2113 | if (prefixflag && new_canonical_dirspec [len-1] != '/') |
2114 | strncat (new_canonical_dirspec, "/", MAXPATH); | |
2115 | ||
2116 | new_canonical_dirspec [MAXPATH - 1] = (char) 0; | |
1fac938e | 2117 | |
2118 | return new_canonical_dirspec; | |
2119 | ||
2120 | } | |
2121 | ||
2122 | /* Translate a VMS syntax file specification into Unix syntax. | |
f15731c4 | 2123 | If no indicators of VMS syntax found, return input string. */ |
1fac938e | 2124 | |
2125 | char * | |
9dfe12ae | 2126 | __gnat_to_canonical_file_spec (char *filespec) |
1fac938e | 2127 | { |
9dfe12ae | 2128 | strncpy (new_canonical_filespec, "", MAXPATH); |
2129 | ||
1fac938e | 2130 | if (strchr (filespec, ']') || strchr (filespec, ':')) |
9dfe12ae | 2131 | { |
2132 | strncpy (new_canonical_filespec, | |
2133 | (char *) decc$translate_vms (filespec), | |
2134 | MAXPATH); | |
2135 | } | |
1fac938e | 2136 | else |
9dfe12ae | 2137 | { |
2138 | strncpy (new_canonical_filespec, filespec, MAXPATH); | |
2139 | } | |
2140 | ||
2141 | new_canonical_filespec [MAXPATH - 1] = (char) 0; | |
1fac938e | 2142 | |
2143 | return new_canonical_filespec; | |
2144 | } | |
2145 | ||
2146 | /* Translate a VMS syntax path specification into Unix syntax. | |
f15731c4 | 2147 | If no indicators of VMS syntax found, return input string. */ |
1fac938e | 2148 | |
2149 | char * | |
9dfe12ae | 2150 | __gnat_to_canonical_path_spec (char *pathspec) |
1fac938e | 2151 | { |
9dfe12ae | 2152 | char *curr, *next, buff [MAXPATH]; |
1fac938e | 2153 | |
2154 | if (pathspec == 0) | |
2155 | return pathspec; | |
2156 | ||
f15731c4 | 2157 | /* If there are /'s, assume it's a Unix path spec and return. */ |
1fac938e | 2158 | if (strchr (pathspec, '/')) |
2159 | return pathspec; | |
2160 | ||
f15731c4 | 2161 | new_canonical_pathspec[0] = 0; |
1fac938e | 2162 | curr = pathspec; |
2163 | ||
2164 | for (;;) | |
2165 | { | |
2166 | next = strchr (curr, ','); | |
2167 | if (next == 0) | |
2168 | next = strchr (curr, 0); | |
2169 | ||
2170 | strncpy (buff, curr, next - curr); | |
f15731c4 | 2171 | buff[next - curr] = 0; |
1fac938e | 2172 | |
f15731c4 | 2173 | /* Check for wildcards and expand if present. */ |
1fac938e | 2174 | if (strchr (buff, '*') || strchr (buff, '%') || strstr (buff, "...")) |
2175 | { | |
2176 | int i, dirs; | |
2177 | ||
2178 | dirs = __gnat_to_canonical_file_list_init (buff, 1); | |
2179 | for (i = 0; i < dirs; i++) | |
2180 | { | |
2181 | char *next_dir; | |
2182 | ||
2183 | next_dir = __gnat_to_canonical_file_list_next (); | |
9dfe12ae | 2184 | strncat (new_canonical_pathspec, next_dir, MAXPATH); |
1fac938e | 2185 | |
f15731c4 | 2186 | /* Don't append the separator after the last expansion. */ |
1fac938e | 2187 | if (i+1 < dirs) |
9dfe12ae | 2188 | strncat (new_canonical_pathspec, ":", MAXPATH); |
1fac938e | 2189 | } |
2190 | ||
2191 | __gnat_to_canonical_file_list_free (); | |
2192 | } | |
2193 | else | |
9dfe12ae | 2194 | strncat (new_canonical_pathspec, |
2195 | __gnat_to_canonical_dir_spec (buff, 0), MAXPATH); | |
1fac938e | 2196 | |
2197 | if (*next == 0) | |
2198 | break; | |
2199 | ||
9dfe12ae | 2200 | strncat (new_canonical_pathspec, ":", MAXPATH); |
1fac938e | 2201 | curr = next + 1; |
2202 | } | |
2203 | ||
9dfe12ae | 2204 | new_canonical_pathspec [MAXPATH - 1] = (char) 0; |
2205 | ||
1fac938e | 2206 | return new_canonical_pathspec; |
2207 | } | |
2208 | ||
9dfe12ae | 2209 | static char filename_buff [MAXPATH]; |
1fac938e | 2210 | |
2211 | static int | |
9dfe12ae | 2212 | translate_unix (char *name, int type) |
1fac938e | 2213 | { |
9dfe12ae | 2214 | strncpy (filename_buff, name, MAXPATH); |
2215 | filename_buff [MAXPATH - 1] = (char) 0; | |
1fac938e | 2216 | return 0; |
2217 | } | |
2218 | ||
f15731c4 | 2219 | /* Translate a Unix syntax path spec into a VMS style (comma separated list of |
2220 | directories. */ | |
1fac938e | 2221 | |
2222 | static char * | |
9dfe12ae | 2223 | to_host_path_spec (char *pathspec) |
1fac938e | 2224 | { |
9dfe12ae | 2225 | char *curr, *next, buff [MAXPATH]; |
1fac938e | 2226 | |
2227 | if (pathspec == 0) | |
2228 | return pathspec; | |
2229 | ||
f15731c4 | 2230 | /* Can't very well test for colons, since that's the Unix separator! */ |
1fac938e | 2231 | if (strchr (pathspec, ']') || strchr (pathspec, ',')) |
2232 | return pathspec; | |
2233 | ||
f15731c4 | 2234 | new_host_pathspec[0] = 0; |
1fac938e | 2235 | curr = pathspec; |
2236 | ||
2237 | for (;;) | |
2238 | { | |
2239 | next = strchr (curr, ':'); | |
2240 | if (next == 0) | |
2241 | next = strchr (curr, 0); | |
2242 | ||
2243 | strncpy (buff, curr, next - curr); | |
f15731c4 | 2244 | buff[next - curr] = 0; |
1fac938e | 2245 | |
9dfe12ae | 2246 | strncat (new_host_pathspec, __gnat_to_host_dir_spec (buff, 0), MAXPATH); |
1fac938e | 2247 | if (*next == 0) |
2248 | break; | |
9dfe12ae | 2249 | strncat (new_host_pathspec, ",", MAXPATH); |
1fac938e | 2250 | curr = next + 1; |
2251 | } | |
2252 | ||
9dfe12ae | 2253 | new_host_pathspec [MAXPATH - 1] = (char) 0; |
2254 | ||
1fac938e | 2255 | return new_host_pathspec; |
2256 | } | |
2257 | ||
f15731c4 | 2258 | /* Translate a Unix syntax directory specification into VMS syntax. The |
2259 | PREFIXFLAG has no effect, but is kept for symmetry with | |
2260 | to_canonical_dir_spec. If indicators of VMS syntax found, return input | |
2261 | string. */ | |
1fac938e | 2262 | |
2263 | char * | |
9dfe12ae | 2264 | __gnat_to_host_dir_spec (char *dirspec, int prefixflag ATTRIBUTE_UNUSED) |
1fac938e | 2265 | { |
2266 | int len = strlen (dirspec); | |
2267 | ||
9dfe12ae | 2268 | strncpy (new_host_dirspec, dirspec, MAXPATH); |
2269 | new_host_dirspec [MAXPATH - 1] = (char) 0; | |
1fac938e | 2270 | |
2271 | if (strchr (new_host_dirspec, ']') || strchr (new_host_dirspec, ':')) | |
2272 | return new_host_dirspec; | |
2273 | ||
f15731c4 | 2274 | while (len > 1 && new_host_dirspec[len - 1] == '/') |
1fac938e | 2275 | { |
f15731c4 | 2276 | new_host_dirspec[len - 1] = 0; |
1fac938e | 2277 | len--; |
2278 | } | |
2279 | ||
2280 | decc$to_vms (new_host_dirspec, translate_unix, 1, 2); | |
9dfe12ae | 2281 | strncpy (new_host_dirspec, filename_buff, MAXPATH); |
2282 | new_host_dirspec [MAXPATH - 1] = (char) 0; | |
1fac938e | 2283 | |
2284 | return new_host_dirspec; | |
1fac938e | 2285 | } |
2286 | ||
2287 | /* Translate a Unix syntax file specification into VMS syntax. | |
f15731c4 | 2288 | If indicators of VMS syntax found, return input string. */ |
1fac938e | 2289 | |
2290 | char * | |
9dfe12ae | 2291 | __gnat_to_host_file_spec (char *filespec) |
1fac938e | 2292 | { |
9dfe12ae | 2293 | strncpy (new_host_filespec, "", MAXPATH); |
1fac938e | 2294 | if (strchr (filespec, ']') || strchr (filespec, ':')) |
9dfe12ae | 2295 | { |
2296 | strncpy (new_host_filespec, filespec, MAXPATH); | |
2297 | } | |
1fac938e | 2298 | else |
2299 | { | |
2300 | decc$to_vms (filespec, translate_unix, 1, 1); | |
9dfe12ae | 2301 | strncpy (new_host_filespec, filename_buff, MAXPATH); |
1fac938e | 2302 | } |
2303 | ||
9dfe12ae | 2304 | new_host_filespec [MAXPATH - 1] = (char) 0; |
2305 | ||
1fac938e | 2306 | return new_host_filespec; |
2307 | } | |
2308 | ||
2309 | void | |
2310 | __gnat_adjust_os_resource_limits () | |
2311 | { | |
2312 | SYS$ADJWSL (131072, 0); | |
2313 | } | |
2314 | ||
9dfe12ae | 2315 | #else /* VMS */ |
1fac938e | 2316 | |
f15731c4 | 2317 | /* Dummy functions for Osint import for non-VMS systems. */ |
1fac938e | 2318 | |
2319 | int | |
9dfe12ae | 2320 | __gnat_to_canonical_file_list_init |
2321 | (char *dirspec ATTRIBUTE_UNUSED, int onlydirs ATTRIBUTE_UNUSED) | |
1fac938e | 2322 | { |
2323 | return 0; | |
2324 | } | |
2325 | ||
2326 | char * | |
6f2c2693 | 2327 | __gnat_to_canonical_file_list_next (void) |
1fac938e | 2328 | { |
2329 | return (char *) ""; | |
2330 | } | |
2331 | ||
2332 | void | |
6f2c2693 | 2333 | __gnat_to_canonical_file_list_free (void) |
1fac938e | 2334 | { |
2335 | } | |
2336 | ||
2337 | char * | |
9dfe12ae | 2338 | __gnat_to_canonical_dir_spec (char *dirspec, int prefixflag ATTRIBUTE_UNUSED) |
1fac938e | 2339 | { |
2340 | return dirspec; | |
2341 | } | |
2342 | ||
2343 | char * | |
9dfe12ae | 2344 | __gnat_to_canonical_file_spec (char *filespec) |
1fac938e | 2345 | { |
2346 | return filespec; | |
2347 | } | |
2348 | ||
2349 | char * | |
9dfe12ae | 2350 | __gnat_to_canonical_path_spec (char *pathspec) |
1fac938e | 2351 | { |
2352 | return pathspec; | |
2353 | } | |
2354 | ||
2355 | char * | |
9dfe12ae | 2356 | __gnat_to_host_dir_spec (char *dirspec, int prefixflag ATTRIBUTE_UNUSED) |
1fac938e | 2357 | { |
2358 | return dirspec; | |
2359 | } | |
2360 | ||
2361 | char * | |
9dfe12ae | 2362 | __gnat_to_host_file_spec (char *filespec) |
1fac938e | 2363 | { |
2364 | return filespec; | |
2365 | } | |
2366 | ||
2367 | void | |
6f2c2693 | 2368 | __gnat_adjust_os_resource_limits (void) |
1fac938e | 2369 | { |
2370 | } | |
2371 | ||
2372 | #endif | |
2373 | ||
f15731c4 | 2374 | /* For EMX, we cannot include dummy in libgcc, since it is too difficult |
1fac938e | 2375 | to coordinate this with the EMX distribution. Consequently, we put the |
f15731c4 | 2376 | definition of dummy which is used for exception handling, here. */ |
1fac938e | 2377 | |
2378 | #if defined (__EMX__) | |
2379 | void __dummy () {} | |
2380 | #endif | |
2381 | ||
2382 | #if defined (__mips_vxworks) | |
9dfe12ae | 2383 | int |
2384 | _flush_cache() | |
1fac938e | 2385 | { |
2386 | CACHE_USER_FLUSH (0, ENTIRE_CACHE); | |
2387 | } | |
2388 | #endif | |
2389 | ||
2390 | #if defined (CROSS_COMPILE) \ | |
2391 | || (! (defined (sparc) && defined (sun) && defined (__SVR4)) \ | |
9dfe12ae | 2392 | && ! (defined (linux) && defined (i386)) \ |
40a4417a | 2393 | && ! defined (__FreeBSD__) \ |
1fac938e | 2394 | && ! defined (hpux) \ |
9dfe12ae | 2395 | && ! defined (_AIX) \ |
1fac938e | 2396 | && ! (defined (__alpha__) && defined (__osf__)) \ |
2397 | && ! defined (__MINGW32__)) | |
f15731c4 | 2398 | |
2399 | /* Dummy function to satisfy g-trasym.o. Currently Solaris sparc, HP/UX, | |
9dfe12ae | 2400 | GNU/Linux x86, Tru64 & Windows provide a non-dummy version of this |
2401 | procedure in libaddr2line.a. */ | |
1fac938e | 2402 | |
2403 | void | |
9dfe12ae | 2404 | convert_addresses (void *addrs ATTRIBUTE_UNUSED, |
2405 | int n_addr ATTRIBUTE_UNUSED, | |
2406 | void *buf ATTRIBUTE_UNUSED, | |
2407 | int *len ATTRIBUTE_UNUSED) | |
1fac938e | 2408 | { |
2409 | *len = 0; | |
2410 | } | |
2411 | #endif | |
f15731c4 | 2412 | |
2413 | #if defined (_WIN32) | |
2414 | int __gnat_argument_needs_quote = 1; | |
2415 | #else | |
2416 | int __gnat_argument_needs_quote = 0; | |
2417 | #endif | |
9dfe12ae | 2418 | |
2419 | /* This option is used to enable/disable object files handling from the | |
2420 | binder file by the GNAT Project module. For example, this is disabled on | |
2421 | Windows as it is already done by the mdll module. */ | |
2422 | #if defined (_WIN32) | |
2423 | int __gnat_prj_add_obj_files = 0; | |
2424 | #else | |
2425 | int __gnat_prj_add_obj_files = 1; | |
2426 | #endif | |
2427 | ||
2428 | /* char used as prefix/suffix for environment variables */ | |
2429 | #if defined (_WIN32) | |
2430 | char __gnat_environment_char = '%'; | |
2431 | #else | |
2432 | char __gnat_environment_char = '$'; | |
2433 | #endif | |
2434 | ||
2435 | /* This functions copy the file attributes from a source file to a | |
2436 | destination file. | |
2437 | ||
2438 | mode = 0 : In this mode copy only the file time stamps (last access and | |
2439 | last modification time stamps). | |
2440 | ||
2441 | mode = 1 : In this mode, time stamps and read/write/execute attributes are | |
2442 | copied. | |
2443 | ||
2444 | Returns 0 if operation was successful and -1 in case of error. */ | |
2445 | ||
2446 | int | |
2447 | __gnat_copy_attribs (char *from, char *to, int mode) | |
2448 | { | |
2449 | #if defined (VMS) || defined (__vxworks) | |
2450 | return -1; | |
2451 | #else | |
2452 | struct stat fbuf; | |
2453 | struct utimbuf tbuf; | |
2454 | ||
2455 | if (stat (from, &fbuf) == -1) | |
2456 | { | |
2457 | return -1; | |
2458 | } | |
2459 | ||
2460 | tbuf.actime = fbuf.st_atime; | |
2461 | tbuf.modtime = fbuf.st_mtime; | |
2462 | ||
2463 | if (utime (to, &tbuf) == -1) | |
2464 | { | |
2465 | return -1; | |
2466 | } | |
2467 | ||
2468 | if (mode == 1) | |
2469 | { | |
2470 | if (chmod (to, fbuf.st_mode) == -1) | |
2471 | { | |
2472 | return -1; | |
2473 | } | |
2474 | } | |
2475 | ||
2476 | return 0; | |
2477 | #endif | |
2478 | } | |
2479 | ||
2480 | /* This function is installed in libgcc.a. */ | |
2481 | extern void __gnat_install_locks (void (*) (void), void (*) (void)); | |
2482 | ||
2483 | /* This function offers a hook for libgnarl to set the | |
ea61a7ea | 2484 | locking subprograms for libgcc_eh. |
2485 | This is only needed on OpenVMS, since other platforms use standard | |
2486 | --enable-threads=posix option, or similar. */ | |
9dfe12ae | 2487 | |
2488 | void | |
6f2c2693 | 2489 | __gnatlib_install_locks (void (*lock) (void) ATTRIBUTE_UNUSED, |
2490 | void (*unlock) (void) ATTRIBUTE_UNUSED) | |
9dfe12ae | 2491 | { |
ea61a7ea | 2492 | #if defined (IN_RTS) && defined (VMS) |
9dfe12ae | 2493 | __gnat_install_locks (lock, unlock); |
2494 | /* There is a bootstrap path issue if adaint is build with this | |
2495 | symbol unresolved for the stage1 compiler. Since the compiler | |
2496 | does not use tasking, we simply make __gnatlib_install_locks | |
2497 | a no-op in this case. */ | |
2498 | #endif | |
2499 | } | |
cf6d853e | 2500 | |
2501 | int | |
2502 | __gnat_lseek (int fd, long offset, int whence) | |
2503 | { | |
2504 | return (int) lseek (fd, offset, whence); | |
2505 | } | |
0914a918 | 2506 | |
2507 | /* This function returns the version of GCC being used. Here it's GCC 3. */ | |
2508 | int | |
2509 | get_gcc_version (void) | |
2510 | { | |
2511 | return 3; | |
2512 | } | |
2513 |