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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 | * * | |
6d9c3443 | 9 | * Copyright (C) 1992-2005, 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 * | |
f27cea3a | 19 | * to the Free Software Foundation, 51 Franklin Street, Fifth Floor, * |
20 | * Boston, MA 02110-1301, USA. * | |
1fac938e | 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 | |
ba706ed3 | 55 | #define HOST_EXECUTABLE_SUFFIX ".exe" |
56 | #define HOST_OBJECT_SUFFIX ".obj" | |
cafd02b3 | 57 | #endif |
58 | ||
1fac938e | 59 | #ifdef IN_RTS |
60 | #include "tconfig.h" | |
61 | #include "tsystem.h" | |
9dfe12ae | 62 | |
1fac938e | 63 | #include <sys/stat.h> |
64 | #include <fcntl.h> | |
65 | #include <time.h> | |
cafd02b3 | 66 | #ifdef VMS |
67 | #include <unixio.h> | |
68 | #endif | |
1fac938e | 69 | |
f15731c4 | 70 | /* We don't have libiberty, so use malloc. */ |
1fac938e | 71 | #define xmalloc(S) malloc (S) |
f15731c4 | 72 | #define xrealloc(V,S) realloc (V,S) |
1fac938e | 73 | #else |
74 | #include "config.h" | |
75 | #include "system.h" | |
76 | #endif | |
9dfe12ae | 77 | |
78 | #ifdef __MINGW32__ | |
79 | #include "mingw32.h" | |
80 | #include <sys/utime.h> | |
f0a28ccb | 81 | #include <ctype.h> |
9dfe12ae | 82 | #else |
83 | #ifndef VMS | |
84 | #include <utime.h> | |
85 | #endif | |
86 | #endif | |
87 | ||
88 | #ifdef __MINGW32__ | |
89 | #if OLD_MINGW | |
1fac938e | 90 | #include <sys/wait.h> |
9dfe12ae | 91 | #endif |
92 | #else | |
93 | #include <sys/wait.h> | |
94 | #endif | |
1fac938e | 95 | |
d8dd2062 | 96 | #if defined (__EMX__) || defined (MSDOS) || defined (_WIN32) |
97 | #elif defined (VMS) | |
71a3e619 | 98 | |
f15731c4 | 99 | /* Header files and definitions for __gnat_set_file_time_name. */ |
71a3e619 | 100 | |
ba706ed3 | 101 | #include <vms/rms.h> |
102 | #include <vms/atrdef.h> | |
103 | #include <vms/fibdef.h> | |
104 | #include <vms/stsdef.h> | |
105 | #include <vms/iodef.h> | |
d8dd2062 | 106 | #include <errno.h> |
ba706ed3 | 107 | #include <vms/descrip.h> |
d8dd2062 | 108 | #include <string.h> |
109 | #include <unixlib.h> | |
110 | ||
f15731c4 | 111 | /* Use native 64-bit arithmetic. */ |
d8dd2062 | 112 | #define unix_time_to_vms(X,Y) \ |
113 | { unsigned long long reftime, tmptime = (X); \ | |
114 | $DESCRIPTOR (unixtime,"1-JAN-1970 0:00:00.00"); \ | |
115 | SYS$BINTIM (&unixtime, &reftime); \ | |
116 | Y = tmptime * 10000000 + reftime; } | |
117 | ||
118 | /* descrip.h doesn't have everything ... */ | |
119 | struct dsc$descriptor_fib | |
120 | { | |
121 | unsigned long fib$l_len; | |
122 | struct fibdef *fib$l_addr; | |
123 | }; | |
124 | ||
71a3e619 | 125 | /* I/O Status Block. */ |
d8dd2062 | 126 | struct IOSB |
9dfe12ae | 127 | { |
d8dd2062 | 128 | unsigned short status, count; |
129 | unsigned long devdep; | |
130 | }; | |
131 | ||
132 | static char *tryfile; | |
133 | ||
71a3e619 | 134 | /* Variable length string. */ |
d8dd2062 | 135 | struct vstring |
136 | { | |
137 | short length; | |
f15731c4 | 138 | char string[NAM$C_MAXRSS+1]; |
d8dd2062 | 139 | }; |
140 | ||
d8dd2062 | 141 | #else |
142 | #include <utime.h> | |
143 | #endif | |
144 | ||
1fac938e | 145 | #if defined (__EMX__) || defined (MSDOS) || defined (_WIN32) |
146 | #include <process.h> | |
147 | #endif | |
148 | ||
149 | #if defined (_WIN32) | |
150 | #include <dir.h> | |
151 | #include <windows.h> | |
fef772a5 | 152 | #undef DIR_SEPARATOR |
153 | #define DIR_SEPARATOR '\\' | |
1fac938e | 154 | #endif |
155 | ||
156 | #include "adaint.h" | |
157 | ||
158 | /* Define symbols O_BINARY and O_TEXT as harmless zeroes if they are not | |
159 | defined in the current system. On DOS-like systems these flags control | |
160 | whether the file is opened/created in text-translation mode (CR/LF in | |
161 | external file mapped to LF in internal file), but in Unix-like systems, | |
162 | no text translation is required, so these flags have no effect. */ | |
163 | ||
164 | #if defined (__EMX__) | |
165 | #include <os2.h> | |
166 | #endif | |
167 | ||
168 | #if defined (MSDOS) | |
169 | #include <dos.h> | |
170 | #endif | |
171 | ||
172 | #ifndef O_BINARY | |
173 | #define O_BINARY 0 | |
174 | #endif | |
175 | ||
176 | #ifndef O_TEXT | |
177 | #define O_TEXT 0 | |
178 | #endif | |
179 | ||
180 | #ifndef HOST_EXECUTABLE_SUFFIX | |
181 | #define HOST_EXECUTABLE_SUFFIX "" | |
182 | #endif | |
183 | ||
184 | #ifndef HOST_OBJECT_SUFFIX | |
185 | #define HOST_OBJECT_SUFFIX ".o" | |
186 | #endif | |
187 | ||
188 | #ifndef PATH_SEPARATOR | |
189 | #define PATH_SEPARATOR ':' | |
190 | #endif | |
191 | ||
192 | #ifndef DIR_SEPARATOR | |
193 | #define DIR_SEPARATOR '/' | |
194 | #endif | |
195 | ||
196 | char __gnat_dir_separator = DIR_SEPARATOR; | |
197 | ||
198 | char __gnat_path_separator = PATH_SEPARATOR; | |
199 | ||
200 | /* The GNAT_LIBRARY_TEMPLATE contains a list of expressions that define | |
201 | the base filenames that libraries specified with -lsomelib options | |
202 | may have. This is used by GNATMAKE to check whether an executable | |
203 | is up-to-date or not. The syntax is | |
204 | ||
205 | library_template ::= { pattern ; } pattern NUL | |
206 | pattern ::= [ prefix ] * [ postfix ] | |
207 | ||
208 | These should only specify names of static libraries as it makes | |
209 | no sense to determine at link time if dynamic-link libraries are | |
210 | up to date or not. Any libraries that are not found are supposed | |
211 | to be up-to-date: | |
212 | ||
213 | * if they are needed but not present, the link | |
214 | will fail, | |
215 | ||
216 | * otherwise they are libraries in the system paths and so | |
217 | they are considered part of the system and not checked | |
218 | for that reason. | |
219 | ||
220 | ??? This should be part of a GNAT host-specific compiler | |
221 | file instead of being included in all user applications | |
f15731c4 | 222 | as well. This is only a temporary work-around for 3.11b. */ |
1fac938e | 223 | |
224 | #ifndef GNAT_LIBRARY_TEMPLATE | |
f15731c4 | 225 | #if defined (__EMX__) |
1fac938e | 226 | #define GNAT_LIBRARY_TEMPLATE "*.a" |
f15731c4 | 227 | #elif defined (VMS) |
1fac938e | 228 | #define GNAT_LIBRARY_TEMPLATE "*.olb" |
229 | #else | |
230 | #define GNAT_LIBRARY_TEMPLATE "lib*.a" | |
231 | #endif | |
232 | #endif | |
233 | ||
234 | const char *__gnat_library_template = GNAT_LIBRARY_TEMPLATE; | |
235 | ||
f15731c4 | 236 | /* This variable is used in hostparm.ads to say whether the host is a VMS |
237 | system. */ | |
238 | #ifdef VMS | |
239 | const int __gnat_vmsp = 1; | |
240 | #else | |
241 | const int __gnat_vmsp = 0; | |
242 | #endif | |
243 | ||
e633acdc | 244 | #ifdef __EMX__ |
9dfe12ae | 245 | #define GNAT_MAX_PATH_LEN MAX_PATH |
e633acdc | 246 | |
247 | #elif defined (VMS) | |
9dfe12ae | 248 | #define GNAT_MAX_PATH_LEN 256 /* PATH_MAX */ |
e633acdc | 249 | |
250 | #elif defined (__vxworks) || defined (__OPENNT) | |
9dfe12ae | 251 | #define GNAT_MAX_PATH_LEN PATH_MAX |
252 | ||
253 | #else | |
254 | ||
255 | #if defined (__MINGW32__) | |
256 | #include "mingw32.h" | |
257 | ||
258 | #if OLD_MINGW | |
259 | #include <sys/param.h> | |
260 | #endif | |
e633acdc | 261 | |
262 | #else | |
263 | #include <sys/param.h> | |
9dfe12ae | 264 | #endif |
265 | ||
266 | #define GNAT_MAX_PATH_LEN MAXPATHLEN | |
e633acdc | 267 | |
268 | #endif | |
269 | ||
9dfe12ae | 270 | /* The __gnat_max_path_len variable is used to export the maximum |
271 | length of a path name to Ada code. max_path_len is also provided | |
272 | for compatibility with older GNAT versions, please do not use | |
273 | it. */ | |
274 | ||
275 | int __gnat_max_path_len = GNAT_MAX_PATH_LEN; | |
276 | int max_path_len = GNAT_MAX_PATH_LEN; | |
277 | ||
1fac938e | 278 | /* The following macro HAVE_READDIR_R should be defined if the |
f15731c4 | 279 | system provides the routine readdir_r. */ |
1fac938e | 280 | #undef HAVE_READDIR_R |
281 | \f | |
6d9c3443 | 282 | #if defined(VMS) && defined (__LONG_POINTERS) |
283 | ||
284 | /* Return a 32 bit pointer to an array of 32 bit pointers | |
285 | given a 64 bit pointer to an array of 64 bit pointers */ | |
286 | ||
287 | typedef __char_ptr32 *__char_ptr_char_ptr32 __attribute__ ((mode (SI))); | |
288 | ||
289 | static __char_ptr_char_ptr32 | |
290 | to_ptr32 (char **ptr64) | |
291 | { | |
292 | int argc; | |
293 | __char_ptr_char_ptr32 short_argv; | |
294 | ||
295 | for (argc=0; ptr64[argc]; argc++); | |
296 | ||
297 | /* Reallocate argv with 32 bit pointers. */ | |
298 | short_argv = (__char_ptr_char_ptr32) decc$malloc | |
299 | (sizeof (__char_ptr32) * (argc + 1)); | |
300 | ||
301 | for (argc=0; ptr64[argc]; argc++) | |
302 | short_argv[argc] = (__char_ptr32) decc$strdup (ptr64[argc]); | |
303 | ||
304 | short_argv[argc] = (__char_ptr32) 0; | |
305 | return short_argv; | |
306 | ||
307 | } | |
308 | #define MAYBE_TO_PTR32(argv) to_ptr32 (argv) | |
309 | #else | |
310 | #define MAYBE_TO_PTR32(argv) argv | |
311 | #endif | |
312 | ||
1fac938e | 313 | void |
9dfe12ae | 314 | __gnat_to_gm_time |
315 | (OS_Time *p_time, | |
316 | int *p_year, | |
317 | int *p_month, | |
318 | int *p_day, | |
319 | int *p_hours, | |
320 | int *p_mins, | |
321 | int *p_secs) | |
1fac938e | 322 | { |
323 | struct tm *res; | |
9dfe12ae | 324 | time_t time = (time_t) *p_time; |
1fac938e | 325 | |
326 | #ifdef _WIN32 | |
327 | /* On Windows systems, the time is sometimes rounded up to the nearest | |
328 | even second, so if the number of seconds is odd, increment it. */ | |
329 | if (time & 1) | |
330 | time++; | |
331 | #endif | |
332 | ||
9dfe12ae | 333 | #ifdef VMS |
334 | res = localtime (&time); | |
335 | #else | |
1fac938e | 336 | res = gmtime (&time); |
9dfe12ae | 337 | #endif |
1fac938e | 338 | |
339 | if (res) | |
340 | { | |
341 | *p_year = res->tm_year; | |
342 | *p_month = res->tm_mon; | |
343 | *p_day = res->tm_mday; | |
344 | *p_hours = res->tm_hour; | |
345 | *p_mins = res->tm_min; | |
346 | *p_secs = res->tm_sec; | |
f15731c4 | 347 | } |
1fac938e | 348 | else |
349 | *p_year = *p_month = *p_day = *p_hours = *p_mins = *p_secs = 0; | |
350 | } | |
351 | ||
352 | /* Place the contents of the symbolic link named PATH in the buffer BUF, | |
353 | which has size BUFSIZ. If PATH is a symbolic link, then return the number | |
354 | of characters of its content in BUF. Otherwise, return -1. For Windows, | |
355 | OS/2 and vxworks, always return -1. */ | |
356 | ||
9dfe12ae | 357 | int |
f0a28ccb | 358 | __gnat_readlink (char *path ATTRIBUTE_UNUSED, |
359 | char *buf ATTRIBUTE_UNUSED, | |
360 | size_t bufsiz ATTRIBUTE_UNUSED) | |
1fac938e | 361 | { |
362 | #if defined (MSDOS) || defined (_WIN32) || defined (__EMX__) | |
363 | return -1; | |
364 | #elif defined (__INTERIX) || defined (VMS) | |
365 | return -1; | |
366 | #elif defined (__vxworks) | |
367 | return -1; | |
368 | #else | |
369 | return readlink (path, buf, bufsiz); | |
370 | #endif | |
371 | } | |
372 | ||
f15731c4 | 373 | /* Creates a symbolic link named NEWPATH which contains the string OLDPATH. If |
374 | NEWPATH exists it will NOT be overwritten. For Windows, OS/2, VxWorks, | |
375 | Interix and VMS, always return -1. */ | |
1fac938e | 376 | |
377 | int | |
f0a28ccb | 378 | __gnat_symlink (char *oldpath ATTRIBUTE_UNUSED, |
379 | char *newpath ATTRIBUTE_UNUSED) | |
1fac938e | 380 | { |
381 | #if defined (MSDOS) || defined (_WIN32) || defined (__EMX__) | |
382 | return -1; | |
383 | #elif defined (__INTERIX) || defined (VMS) | |
384 | return -1; | |
385 | #elif defined (__vxworks) | |
386 | return -1; | |
387 | #else | |
388 | return symlink (oldpath, newpath); | |
389 | #endif | |
390 | } | |
391 | ||
f15731c4 | 392 | /* Try to lock a file, return 1 if success. */ |
1fac938e | 393 | |
394 | #if defined (__vxworks) || defined (MSDOS) || defined (_WIN32) | |
395 | ||
396 | /* Version that does not use link. */ | |
397 | ||
398 | int | |
9dfe12ae | 399 | __gnat_try_lock (char *dir, char *file) |
1fac938e | 400 | { |
f15731c4 | 401 | char full_path[256]; |
1fac938e | 402 | int fd; |
403 | ||
404 | sprintf (full_path, "%s%c%s", dir, DIR_SEPARATOR, file); | |
405 | fd = open (full_path, O_CREAT | O_EXCL, 0600); | |
f15731c4 | 406 | if (fd < 0) |
1fac938e | 407 | return 0; |
f15731c4 | 408 | |
1fac938e | 409 | close (fd); |
410 | return 1; | |
411 | } | |
412 | ||
413 | #elif defined (__EMX__) || defined (VMS) | |
414 | ||
415 | /* More cases that do not use link; identical code, to solve too long | |
416 | line problem ??? */ | |
417 | ||
418 | int | |
9dfe12ae | 419 | __gnat_try_lock (char *dir, char *file) |
1fac938e | 420 | { |
f15731c4 | 421 | char full_path[256]; |
1fac938e | 422 | int fd; |
423 | ||
424 | sprintf (full_path, "%s%c%s", dir, DIR_SEPARATOR, file); | |
425 | fd = open (full_path, O_CREAT | O_EXCL, 0600); | |
426 | if (fd < 0) | |
427 | return 0; | |
428 | ||
429 | close (fd); | |
430 | return 1; | |
431 | } | |
432 | ||
433 | #else | |
f15731c4 | 434 | |
1fac938e | 435 | /* Version using link(), more secure over NFS. */ |
9dfe12ae | 436 | /* See TN 6913-016 for discussion ??? */ |
1fac938e | 437 | |
438 | int | |
9dfe12ae | 439 | __gnat_try_lock (char *dir, char *file) |
1fac938e | 440 | { |
f15731c4 | 441 | char full_path[256]; |
442 | char temp_file[256]; | |
1fac938e | 443 | struct stat stat_result; |
444 | int fd; | |
445 | ||
446 | sprintf (full_path, "%s%c%s", dir, DIR_SEPARATOR, file); | |
4a3f445c | 447 | sprintf (temp_file, "%s%cTMP-%ld-%ld", |
448 | dir, DIR_SEPARATOR, (long)getpid(), (long)getppid ()); | |
1fac938e | 449 | |
f15731c4 | 450 | /* Create the temporary file and write the process number. */ |
1fac938e | 451 | fd = open (temp_file, O_CREAT | O_WRONLY, 0600); |
452 | if (fd < 0) | |
453 | return 0; | |
454 | ||
455 | close (fd); | |
456 | ||
f15731c4 | 457 | /* Link it with the new file. */ |
1fac938e | 458 | link (temp_file, full_path); |
459 | ||
460 | /* Count the references on the old one. If we have a count of two, then | |
f15731c4 | 461 | the link did succeed. Remove the temporary file before returning. */ |
1fac938e | 462 | __gnat_stat (temp_file, &stat_result); |
463 | unlink (temp_file); | |
464 | return stat_result.st_nlink == 2; | |
465 | } | |
466 | #endif | |
467 | ||
468 | /* Return the maximum file name length. */ | |
469 | ||
470 | int | |
6f2c2693 | 471 | __gnat_get_maximum_file_name_length (void) |
1fac938e | 472 | { |
f15731c4 | 473 | #if defined (MSDOS) |
1fac938e | 474 | return 8; |
475 | #elif defined (VMS) | |
476 | if (getenv ("GNAT$EXTENDED_FILE_SPECIFICATIONS")) | |
477 | return -1; | |
478 | else | |
479 | return 39; | |
480 | #else | |
481 | return -1; | |
482 | #endif | |
483 | } | |
484 | ||
1fac938e | 485 | /* Return nonzero if file names are case sensitive. */ |
486 | ||
487 | int | |
6f2c2693 | 488 | __gnat_get_file_names_case_sensitive (void) |
1fac938e | 489 | { |
f15731c4 | 490 | #if defined (__EMX__) || defined (MSDOS) || defined (VMS) || defined (WINNT) |
1fac938e | 491 | return 0; |
492 | #else | |
493 | return 1; | |
494 | #endif | |
495 | } | |
496 | ||
497 | char | |
6f2c2693 | 498 | __gnat_get_default_identifier_character_set (void) |
1fac938e | 499 | { |
500 | #if defined (__EMX__) || defined (MSDOS) | |
501 | return 'p'; | |
502 | #else | |
503 | return '1'; | |
504 | #endif | |
505 | } | |
506 | ||
f15731c4 | 507 | /* Return the current working directory. */ |
1fac938e | 508 | |
509 | void | |
9dfe12ae | 510 | __gnat_get_current_dir (char *dir, int *length) |
1fac938e | 511 | { |
512 | #ifdef VMS | |
513 | /* Force Unix style, which is what GNAT uses internally. */ | |
514 | getcwd (dir, *length, 0); | |
515 | #else | |
516 | getcwd (dir, *length); | |
517 | #endif | |
518 | ||
519 | *length = strlen (dir); | |
520 | ||
9dfe12ae | 521 | if (dir [*length - 1] != DIR_SEPARATOR) |
522 | { | |
523 | dir [*length] = DIR_SEPARATOR; | |
524 | ++(*length); | |
525 | } | |
f15731c4 | 526 | dir[*length] = '\0'; |
1fac938e | 527 | } |
528 | ||
f15731c4 | 529 | /* Return the suffix for object files. */ |
1fac938e | 530 | |
531 | void | |
9dfe12ae | 532 | __gnat_get_object_suffix_ptr (int *len, const char **value) |
1fac938e | 533 | { |
534 | *value = HOST_OBJECT_SUFFIX; | |
535 | ||
536 | if (*value == 0) | |
537 | *len = 0; | |
538 | else | |
539 | *len = strlen (*value); | |
540 | ||
541 | return; | |
542 | } | |
543 | ||
f15731c4 | 544 | /* Return the suffix for executable files. */ |
1fac938e | 545 | |
546 | void | |
9dfe12ae | 547 | __gnat_get_executable_suffix_ptr (int *len, const char **value) |
1fac938e | 548 | { |
549 | *value = HOST_EXECUTABLE_SUFFIX; | |
550 | if (!*value) | |
551 | *len = 0; | |
552 | else | |
553 | *len = strlen (*value); | |
554 | ||
555 | return; | |
556 | } | |
557 | ||
558 | /* Return the suffix for debuggable files. Usually this is the same as the | |
f15731c4 | 559 | executable extension. */ |
1fac938e | 560 | |
561 | void | |
9dfe12ae | 562 | __gnat_get_debuggable_suffix_ptr (int *len, const char **value) |
1fac938e | 563 | { |
564 | #ifndef MSDOS | |
565 | *value = HOST_EXECUTABLE_SUFFIX; | |
566 | #else | |
f15731c4 | 567 | /* On DOS, the extensionless COFF file is what gdb likes. */ |
1fac938e | 568 | *value = ""; |
569 | #endif | |
570 | ||
571 | if (*value == 0) | |
572 | *len = 0; | |
573 | else | |
574 | *len = strlen (*value); | |
575 | ||
576 | return; | |
577 | } | |
578 | ||
579 | int | |
9dfe12ae | 580 | __gnat_open_read (char *path, int fmode) |
1fac938e | 581 | { |
582 | int fd; | |
583 | int o_fmode = O_BINARY; | |
584 | ||
585 | if (fmode) | |
586 | o_fmode = O_TEXT; | |
587 | ||
f15731c4 | 588 | #if defined (VMS) |
589 | /* Optional arguments mbc,deq,fop increase read performance. */ | |
1fac938e | 590 | fd = open (path, O_RDONLY | o_fmode, 0444, |
591 | "mbc=16", "deq=64", "fop=tef"); | |
f15731c4 | 592 | #elif defined (__vxworks) |
1fac938e | 593 | fd = open (path, O_RDONLY | o_fmode, 0444); |
594 | #else | |
595 | fd = open (path, O_RDONLY | o_fmode); | |
596 | #endif | |
f15731c4 | 597 | |
1fac938e | 598 | return fd < 0 ? -1 : fd; |
599 | } | |
600 | ||
9dfe12ae | 601 | #if defined (__EMX__) || defined (__MINGW32__) |
1fac938e | 602 | #define PERM (S_IREAD | S_IWRITE) |
9dfe12ae | 603 | #elif defined (VMS) |
604 | /* Excerpt from DECC C RTL Reference Manual: | |
605 | To create files with OpenVMS RMS default protections using the UNIX | |
606 | system-call functions umask, mkdir, creat, and open, call mkdir, creat, | |
607 | and open with a file-protection mode argument of 0777 in a program | |
608 | that never specifically calls umask. These default protections include | |
609 | correctly establishing protections based on ACLs, previous versions of | |
610 | files, and so on. */ | |
611 | #define PERM 0777 | |
1fac938e | 612 | #else |
613 | #define PERM (S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH | S_IWOTH) | |
614 | #endif | |
615 | ||
616 | int | |
9dfe12ae | 617 | __gnat_open_rw (char *path, int fmode) |
1fac938e | 618 | { |
619 | int fd; | |
620 | int o_fmode = O_BINARY; | |
621 | ||
622 | if (fmode) | |
623 | o_fmode = O_TEXT; | |
624 | ||
f15731c4 | 625 | #if defined (VMS) |
1fac938e | 626 | fd = open (path, O_RDWR | o_fmode, PERM, |
627 | "mbc=16", "deq=64", "fop=tef"); | |
628 | #else | |
629 | fd = open (path, O_RDWR | o_fmode, PERM); | |
630 | #endif | |
631 | ||
632 | return fd < 0 ? -1 : fd; | |
633 | } | |
634 | ||
635 | int | |
9dfe12ae | 636 | __gnat_open_create (char *path, int fmode) |
1fac938e | 637 | { |
638 | int fd; | |
639 | int o_fmode = O_BINARY; | |
640 | ||
641 | if (fmode) | |
642 | o_fmode = O_TEXT; | |
643 | ||
f15731c4 | 644 | #if defined (VMS) |
1fac938e | 645 | fd = open (path, O_WRONLY | O_CREAT | O_TRUNC | o_fmode, PERM, |
646 | "mbc=16", "deq=64", "fop=tef"); | |
647 | #else | |
648 | fd = open (path, O_WRONLY | O_CREAT | O_TRUNC | o_fmode, PERM); | |
649 | #endif | |
650 | ||
651 | return fd < 0 ? -1 : fd; | |
28ed91d4 | 652 | } |
653 | ||
654 | int | |
655 | __gnat_create_output_file (char *path) | |
656 | { | |
657 | int fd; | |
658 | #if defined (VMS) | |
659 | fd = open (path, O_WRONLY | O_CREAT | O_TRUNC | O_TEXT, PERM, | |
660 | "rfm=stmlf", "ctx=rec", "rat=none", "rop=nlk", | |
661 | "shr=del,get,put,upd"); | |
662 | #else | |
663 | fd = open (path, O_WRONLY | O_CREAT | O_TRUNC | O_TEXT, PERM); | |
664 | #endif | |
665 | ||
666 | return fd < 0 ? -1 : fd; | |
1fac938e | 667 | } |
668 | ||
669 | int | |
9dfe12ae | 670 | __gnat_open_append (char *path, int fmode) |
1fac938e | 671 | { |
672 | int fd; | |
673 | int o_fmode = O_BINARY; | |
674 | ||
675 | if (fmode) | |
676 | o_fmode = O_TEXT; | |
677 | ||
f15731c4 | 678 | #if defined (VMS) |
1fac938e | 679 | fd = open (path, O_WRONLY | O_CREAT | O_APPEND | o_fmode, PERM, |
680 | "mbc=16", "deq=64", "fop=tef"); | |
681 | #else | |
682 | fd = open (path, O_WRONLY | O_CREAT | O_APPEND | o_fmode, PERM); | |
683 | #endif | |
684 | ||
685 | return fd < 0 ? -1 : fd; | |
686 | } | |
687 | ||
f15731c4 | 688 | /* Open a new file. Return error (-1) if the file already exists. */ |
1fac938e | 689 | |
690 | int | |
9dfe12ae | 691 | __gnat_open_new (char *path, int fmode) |
1fac938e | 692 | { |
693 | int fd; | |
694 | int o_fmode = O_BINARY; | |
695 | ||
696 | if (fmode) | |
697 | o_fmode = O_TEXT; | |
698 | ||
f15731c4 | 699 | #if defined (VMS) |
1fac938e | 700 | fd = open (path, O_WRONLY | O_CREAT | O_EXCL | o_fmode, PERM, |
701 | "mbc=16", "deq=64", "fop=tef"); | |
702 | #else | |
703 | fd = open (path, O_WRONLY | O_CREAT | O_EXCL | o_fmode, PERM); | |
704 | #endif | |
705 | ||
706 | return fd < 0 ? -1 : fd; | |
707 | } | |
708 | ||
709 | /* Open a new temp file. Return error (-1) if the file already exists. | |
f15731c4 | 710 | Special options for VMS allow the file to be shared between parent and child |
711 | processes, however they really slow down output. Used in gnatchop. */ | |
1fac938e | 712 | |
713 | int | |
9dfe12ae | 714 | __gnat_open_new_temp (char *path, int fmode) |
1fac938e | 715 | { |
716 | int fd; | |
717 | int o_fmode = O_BINARY; | |
718 | ||
719 | strcpy (path, "GNAT-XXXXXX"); | |
720 | ||
be4b2f73 | 721 | #if (defined (__FreeBSD__) || defined (linux)) && !defined (__vxworks) |
1fac938e | 722 | return mkstemp (path); |
159eb63c | 723 | #elif defined (__Lynx__) |
724 | mktemp (path); | |
1fac938e | 725 | #else |
726 | if (mktemp (path) == NULL) | |
727 | return -1; | |
728 | #endif | |
729 | ||
730 | if (fmode) | |
731 | o_fmode = O_TEXT; | |
732 | ||
f15731c4 | 733 | #if defined (VMS) |
1fac938e | 734 | fd = open (path, O_WRONLY | O_CREAT | O_EXCL | o_fmode, PERM, |
735 | "rfm=stmlf", "ctx=rec", "rat=none", "shr=del,get,put,upd", | |
736 | "mbc=16", "deq=64", "fop=tef"); | |
737 | #else | |
738 | fd = open (path, O_WRONLY | O_CREAT | O_EXCL | o_fmode, PERM); | |
739 | #endif | |
740 | ||
741 | return fd < 0 ? -1 : fd; | |
742 | } | |
743 | ||
f15731c4 | 744 | /* Return the number of bytes in the specified file. */ |
1fac938e | 745 | |
746 | long | |
9dfe12ae | 747 | __gnat_file_length (int fd) |
1fac938e | 748 | { |
749 | int ret; | |
750 | struct stat statbuf; | |
751 | ||
752 | ret = fstat (fd, &statbuf); | |
753 | if (ret || !S_ISREG (statbuf.st_mode)) | |
754 | return 0; | |
755 | ||
756 | return (statbuf.st_size); | |
757 | } | |
758 | ||
d24d7e81 | 759 | /* Return the number of bytes in the specified named file. */ |
760 | ||
761 | long | |
762 | __gnat_named_file_length (char *name) | |
763 | { | |
764 | int ret; | |
765 | struct stat statbuf; | |
766 | ||
767 | ret = __gnat_stat (name, &statbuf); | |
768 | if (ret || !S_ISREG (statbuf.st_mode)) | |
769 | return 0; | |
770 | ||
771 | return (statbuf.st_size); | |
772 | } | |
773 | ||
1fac938e | 774 | /* Create a temporary filename and put it in string pointed to by |
f15731c4 | 775 | TMP_FILENAME. */ |
1fac938e | 776 | |
777 | void | |
9dfe12ae | 778 | __gnat_tmp_name (char *tmp_filename) |
1fac938e | 779 | { |
780 | #ifdef __MINGW32__ | |
781 | { | |
782 | char *pname; | |
783 | ||
784 | /* tempnam tries to create a temporary file in directory pointed to by | |
785 | TMP environment variable, in c:\temp if TMP is not set, and in | |
786 | directory specified by P_tmpdir in stdio.h if c:\temp does not | |
787 | exist. The filename will be created with the prefix "gnat-". */ | |
788 | ||
789 | pname = (char *) tempnam ("c:\\temp", "gnat-"); | |
790 | ||
9dfe12ae | 791 | /* if pname is NULL, the file was not created properly, the disk is full |
792 | or there is no more free temporary files */ | |
793 | ||
794 | if (pname == NULL) | |
795 | *tmp_filename = '\0'; | |
796 | ||
f15731c4 | 797 | /* If pname start with a back slash and not path information it means that |
798 | the filename is valid for the current working directory. */ | |
1fac938e | 799 | |
9dfe12ae | 800 | else if (pname[0] == '\\') |
1fac938e | 801 | { |
802 | strcpy (tmp_filename, ".\\"); | |
803 | strcat (tmp_filename, pname+1); | |
804 | } | |
805 | else | |
806 | strcpy (tmp_filename, pname); | |
807 | ||
808 | free (pname); | |
809 | } | |
f15731c4 | 810 | |
be4b2f73 | 811 | #elif defined (linux) || defined (__FreeBSD__) |
9dfe12ae | 812 | #define MAX_SAFE_PATH 1000 |
1fac938e | 813 | char *tmpdir = getenv ("TMPDIR"); |
814 | ||
9dfe12ae | 815 | /* If tmpdir is longer than MAX_SAFE_PATH, revert to default value to avoid |
816 | a buffer overflow. */ | |
817 | if (tmpdir == NULL || strlen (tmpdir) > MAX_SAFE_PATH) | |
1fac938e | 818 | strcpy (tmp_filename, "/tmp/gnat-XXXXXX"); |
819 | else | |
9dfe12ae | 820 | sprintf (tmp_filename, "%s/gnat-XXXXXX", tmpdir); |
1fac938e | 821 | |
822 | close (mkstemp(tmp_filename)); | |
823 | #else | |
824 | tmpnam (tmp_filename); | |
825 | #endif | |
826 | } | |
827 | ||
828 | /* Read the next entry in a directory. The returned string points somewhere | |
829 | in the buffer. */ | |
830 | ||
831 | char * | |
9dfe12ae | 832 | __gnat_readdir (DIR *dirp, char *buffer) |
1fac938e | 833 | { |
834 | /* If possible, try to use the thread-safe version. */ | |
835 | #ifdef HAVE_READDIR_R | |
836 | if (readdir_r (dirp, buffer) != NULL) | |
837 | return ((struct dirent*) buffer)->d_name; | |
838 | else | |
839 | return NULL; | |
840 | ||
841 | #else | |
5b941af6 | 842 | struct dirent *dirent = (struct dirent *) readdir (dirp); |
1fac938e | 843 | |
844 | if (dirent != NULL) | |
845 | { | |
846 | strcpy (buffer, dirent->d_name); | |
847 | return buffer; | |
848 | } | |
849 | else | |
850 | return NULL; | |
851 | ||
852 | #endif | |
853 | } | |
854 | ||
855 | /* Returns 1 if readdir is thread safe, 0 otherwise. */ | |
856 | ||
857 | int | |
6f2c2693 | 858 | __gnat_readdir_is_thread_safe (void) |
1fac938e | 859 | { |
860 | #ifdef HAVE_READDIR_R | |
861 | return 1; | |
862 | #else | |
863 | return 0; | |
864 | #endif | |
865 | } | |
866 | ||
867 | #ifdef _WIN32 | |
982e2721 | 868 | /* Number of seconds between <Jan 1st 1601> and <Jan 1st 1970>. */ |
869 | static const unsigned long long w32_epoch_offset = 11644473600ULL; | |
1fac938e | 870 | |
871 | /* Returns the file modification timestamp using Win32 routines which are | |
872 | immune against daylight saving time change. It is in fact not possible to | |
873 | use fstat for this purpose as the DST modify the st_mtime field of the | |
874 | stat structure. */ | |
875 | ||
876 | static time_t | |
9dfe12ae | 877 | win32_filetime (HANDLE h) |
1fac938e | 878 | { |
982e2721 | 879 | union |
880 | { | |
881 | FILETIME ft_time; | |
882 | unsigned long long ull_time; | |
883 | } t_write; | |
1fac938e | 884 | |
885 | /* GetFileTime returns FILETIME data which are the number of 100 nanosecs | |
886 | since <Jan 1st 1601>. This function must return the number of seconds | |
887 | since <Jan 1st 1970>. */ | |
888 | ||
982e2721 | 889 | if (GetFileTime (h, NULL, NULL, &t_write.ft_time)) |
890 | return (time_t) (t_write.ull_time / 10000000ULL | |
891 | - w32_epoch_offset); | |
892 | return (time_t) 0; | |
1fac938e | 893 | } |
894 | #endif | |
895 | ||
896 | /* Return a GNAT time stamp given a file name. */ | |
897 | ||
1bbc9831 | 898 | OS_Time |
9dfe12ae | 899 | __gnat_file_time_name (char *name) |
1fac938e | 900 | { |
1fac938e | 901 | |
902 | #if defined (__EMX__) || defined (MSDOS) | |
903 | int fd = open (name, O_RDONLY | O_BINARY); | |
904 | time_t ret = __gnat_file_time_fd (fd); | |
905 | close (fd); | |
1bbc9831 | 906 | return (OS_Time)ret; |
1fac938e | 907 | |
908 | #elif defined (_WIN32) | |
982e2721 | 909 | time_t ret = 0; |
1fac938e | 910 | HANDLE h = CreateFile (name, GENERIC_READ, FILE_SHARE_READ, 0, |
911 | OPEN_EXISTING, FILE_FLAG_BACKUP_SEMANTICS, 0); | |
fabb7dc5 | 912 | |
982e2721 | 913 | if (h != INVALID_HANDLE_VALUE) |
914 | { | |
915 | ret = win32_filetime (h); | |
916 | CloseHandle (h); | |
917 | } | |
1bbc9831 | 918 | return (OS_Time) ret; |
1fac938e | 919 | #else |
f0a28ccb | 920 | struct stat statbuf; |
1bbc9831 | 921 | if (__gnat_stat (name, &statbuf) != 0) { |
922 | return (OS_Time)-1; | |
923 | } else { | |
1fac938e | 924 | #ifdef VMS |
1bbc9831 | 925 | /* VMS has file versioning. */ |
926 | return (OS_Time)statbuf.st_ctime; | |
1fac938e | 927 | #else |
1bbc9831 | 928 | return (OS_Time)statbuf.st_mtime; |
1fac938e | 929 | #endif |
1bbc9831 | 930 | } |
1fac938e | 931 | #endif |
932 | } | |
933 | ||
934 | /* Return a GNAT time stamp given a file descriptor. */ | |
935 | ||
1bbc9831 | 936 | OS_Time |
9dfe12ae | 937 | __gnat_file_time_fd (int fd) |
1fac938e | 938 | { |
939 | /* The following workaround code is due to the fact that under EMX and | |
940 | DJGPP fstat attempts to convert time values to GMT rather than keep the | |
941 | actual OS timestamp of the file. By using the OS2/DOS functions directly | |
942 | the GNAT timestamp are independent of this behavior, which is desired to | |
f15731c4 | 943 | facilitate the distribution of GNAT compiled libraries. */ |
1fac938e | 944 | |
945 | #if defined (__EMX__) || defined (MSDOS) | |
946 | #ifdef __EMX__ | |
947 | ||
948 | FILESTATUS fs; | |
949 | int ret = DosQueryFileInfo (fd, 1, (unsigned char *) &fs, | |
950 | sizeof (FILESTATUS)); | |
951 | ||
952 | unsigned file_year = fs.fdateLastWrite.year; | |
953 | unsigned file_month = fs.fdateLastWrite.month; | |
954 | unsigned file_day = fs.fdateLastWrite.day; | |
955 | unsigned file_hour = fs.ftimeLastWrite.hours; | |
956 | unsigned file_min = fs.ftimeLastWrite.minutes; | |
957 | unsigned file_tsec = fs.ftimeLastWrite.twosecs; | |
958 | ||
959 | #else | |
960 | struct ftime fs; | |
961 | int ret = getftime (fd, &fs); | |
962 | ||
963 | unsigned file_year = fs.ft_year; | |
964 | unsigned file_month = fs.ft_month; | |
965 | unsigned file_day = fs.ft_day; | |
966 | unsigned file_hour = fs.ft_hour; | |
967 | unsigned file_min = fs.ft_min; | |
968 | unsigned file_tsec = fs.ft_tsec; | |
969 | #endif | |
970 | ||
971 | /* Calculate the seconds since epoch from the time components. First count | |
972 | the whole days passed. The value for years returned by the DOS and OS2 | |
973 | functions count years from 1980, so to compensate for the UNIX epoch which | |
974 | begins in 1970 start with 10 years worth of days and add days for each | |
f15731c4 | 975 | four year period since then. */ |
1fac938e | 976 | |
977 | time_t tot_secs; | |
f15731c4 | 978 | int cum_days[12] = {0, 31, 59, 90, 120, 151, 181, 212, 243, 273, 304, 334}; |
1fac938e | 979 | int days_passed = 3652 + (file_year / 4) * 1461; |
980 | int years_since_leap = file_year % 4; | |
981 | ||
982 | if (years_since_leap == 1) | |
983 | days_passed += 366; | |
984 | else if (years_since_leap == 2) | |
985 | days_passed += 731; | |
986 | else if (years_since_leap == 3) | |
987 | days_passed += 1096; | |
988 | ||
989 | if (file_year > 20) | |
990 | days_passed -= 1; | |
991 | ||
f15731c4 | 992 | days_passed += cum_days[file_month - 1]; |
1fac938e | 993 | if (years_since_leap == 0 && file_year != 20 && file_month > 2) |
994 | days_passed++; | |
995 | ||
996 | days_passed += file_day - 1; | |
997 | ||
f15731c4 | 998 | /* OK - have whole days. Multiply -- then add in other parts. */ |
1fac938e | 999 | |
1000 | tot_secs = days_passed * 86400; | |
1001 | tot_secs += file_hour * 3600; | |
1002 | tot_secs += file_min * 60; | |
1003 | tot_secs += file_tsec * 2; | |
1bbc9831 | 1004 | return (OS_Time) tot_secs; |
1fac938e | 1005 | |
1006 | #elif defined (_WIN32) | |
1007 | HANDLE h = (HANDLE) _get_osfhandle (fd); | |
1008 | time_t ret = win32_filetime (h); | |
1bbc9831 | 1009 | return (OS_Time) ret; |
1fac938e | 1010 | |
1011 | #else | |
1012 | struct stat statbuf; | |
1013 | ||
1bbc9831 | 1014 | if (fstat (fd, &statbuf) != 0) { |
1015 | return (OS_Time) -1; | |
1016 | } else { | |
1fac938e | 1017 | #ifdef VMS |
1bbc9831 | 1018 | /* VMS has file versioning. */ |
1019 | return (OS_Time) statbuf.st_ctime; | |
1fac938e | 1020 | #else |
1bbc9831 | 1021 | return (OS_Time) statbuf.st_mtime; |
1fac938e | 1022 | #endif |
1bbc9831 | 1023 | } |
1fac938e | 1024 | #endif |
1025 | } | |
1026 | ||
f15731c4 | 1027 | /* Set the file time stamp. */ |
d8dd2062 | 1028 | |
1029 | void | |
9dfe12ae | 1030 | __gnat_set_file_time_name (char *name, time_t time_stamp) |
d8dd2062 | 1031 | { |
982e2721 | 1032 | #if defined (__EMX__) || defined (MSDOS) || defined (__vxworks) |
71a3e619 | 1033 | |
f15731c4 | 1034 | /* Code to implement __gnat_set_file_time_name for these systems. */ |
71a3e619 | 1035 | |
982e2721 | 1036 | #elif defined (_WIN32) |
1037 | union | |
1038 | { | |
1039 | FILETIME ft_time; | |
1040 | unsigned long long ull_time; | |
1041 | } t_write; | |
fabb7dc5 | 1042 | |
982e2721 | 1043 | HANDLE h = CreateFile (name, GENERIC_WRITE, FILE_SHARE_WRITE, NULL, |
1044 | OPEN_EXISTING, FILE_FLAG_BACKUP_SEMANTICS, | |
1045 | NULL); | |
1046 | if (h == INVALID_HANDLE_VALUE) | |
1047 | return; | |
1048 | /* Add number of seconds between <Jan 1st 1601> and <Jan 1st 1970> */ | |
1049 | t_write.ull_time = ((unsigned long long)time_stamp + w32_epoch_offset); | |
1050 | /* Convert to 100 nanosecond units */ | |
1051 | t_write.ull_time *= 10000000ULL; | |
1052 | ||
1053 | SetFileTime(h, NULL, NULL, &t_write.ft_time); | |
1054 | CloseHandle (h); | |
1055 | return; | |
1056 | ||
d8dd2062 | 1057 | #elif defined (VMS) |
1058 | struct FAB fab; | |
1059 | struct NAM nam; | |
1060 | ||
1061 | struct | |
1062 | { | |
1063 | unsigned long long backup, create, expire, revise; | |
1064 | unsigned long uic; | |
1065 | union | |
1066 | { | |
1067 | unsigned short value; | |
1068 | struct | |
1069 | { | |
1070 | unsigned system : 4; | |
1071 | unsigned owner : 4; | |
1072 | unsigned group : 4; | |
1073 | unsigned world : 4; | |
1074 | } bits; | |
1075 | } prot; | |
f15731c4 | 1076 | } Fat = { 0, 0, 0, 0, 0, { 0 }}; |
d8dd2062 | 1077 | |
f15731c4 | 1078 | ATRDEF atrlst[] |
d8dd2062 | 1079 | = { |
1080 | { ATR$S_CREDATE, ATR$C_CREDATE, &Fat.create }, | |
1081 | { ATR$S_REVDATE, ATR$C_REVDATE, &Fat.revise }, | |
1082 | { ATR$S_EXPDATE, ATR$C_EXPDATE, &Fat.expire }, | |
1083 | { ATR$S_BAKDATE, ATR$C_BAKDATE, &Fat.backup }, | |
f15731c4 | 1084 | { ATR$S_FPRO, ATR$C_FPRO, &Fat.prot }, |
d8dd2062 | 1085 | { ATR$S_UIC, ATR$C_UIC, &Fat.uic }, |
1086 | { 0, 0, 0} | |
1087 | }; | |
1088 | ||
1089 | FIBDEF fib; | |
1090 | struct dsc$descriptor_fib fibdsc = {sizeof (fib), (void *) &fib}; | |
1091 | ||
1092 | struct IOSB iosb; | |
1093 | ||
1094 | unsigned long long newtime; | |
1095 | unsigned long long revtime; | |
1096 | long status; | |
1097 | short chan; | |
1098 | ||
1099 | struct vstring file; | |
1100 | struct dsc$descriptor_s filedsc | |
1101 | = {NAM$C_MAXRSS, DSC$K_DTYPE_T, DSC$K_CLASS_S, (void *) file.string}; | |
1102 | struct vstring device; | |
1103 | struct dsc$descriptor_s devicedsc | |
1104 | = {NAM$C_MAXRSS, DSC$K_DTYPE_T, DSC$K_CLASS_S, (void *) device.string}; | |
1105 | struct vstring timev; | |
1106 | struct dsc$descriptor_s timedsc | |
1107 | = {NAM$C_MAXRSS, DSC$K_DTYPE_T, DSC$K_CLASS_S, (void *) timev.string}; | |
1108 | struct vstring result; | |
1109 | struct dsc$descriptor_s resultdsc | |
1110 | = {NAM$C_MAXRSS, DSC$K_DTYPE_VT, DSC$K_CLASS_VS, (void *) result.string}; | |
1111 | ||
1112 | tryfile = (char *) __gnat_to_host_dir_spec (name, 0); | |
1113 | ||
f15731c4 | 1114 | /* Allocate and initialize a FAB and NAM structures. */ |
d8dd2062 | 1115 | fab = cc$rms_fab; |
1116 | nam = cc$rms_nam; | |
1117 | ||
1118 | nam.nam$l_esa = file.string; | |
1119 | nam.nam$b_ess = NAM$C_MAXRSS; | |
1120 | nam.nam$l_rsa = result.string; | |
1121 | nam.nam$b_rss = NAM$C_MAXRSS; | |
1122 | fab.fab$l_fna = tryfile; | |
1123 | fab.fab$b_fns = strlen (tryfile); | |
1124 | fab.fab$l_nam = &nam; | |
1125 | ||
f15731c4 | 1126 | /* Validate filespec syntax and device existence. */ |
d8dd2062 | 1127 | status = SYS$PARSE (&fab, 0, 0); |
1128 | if ((status & 1) != 1) | |
1129 | LIB$SIGNAL (status); | |
1130 | ||
f15731c4 | 1131 | file.string[nam.nam$b_esl] = 0; |
d8dd2062 | 1132 | |
f15731c4 | 1133 | /* Find matching filespec. */ |
d8dd2062 | 1134 | status = SYS$SEARCH (&fab, 0, 0); |
1135 | if ((status & 1) != 1) | |
1136 | LIB$SIGNAL (status); | |
1137 | ||
f15731c4 | 1138 | file.string[nam.nam$b_esl] = 0; |
1139 | result.string[result.length=nam.nam$b_rsl] = 0; | |
d8dd2062 | 1140 | |
f15731c4 | 1141 | /* Get the device name and assign an IO channel. */ |
d8dd2062 | 1142 | strncpy (device.string, nam.nam$l_dev, nam.nam$b_dev); |
1143 | devicedsc.dsc$w_length = nam.nam$b_dev; | |
1144 | chan = 0; | |
1145 | status = SYS$ASSIGN (&devicedsc, &chan, 0, 0, 0); | |
1146 | if ((status & 1) != 1) | |
1147 | LIB$SIGNAL (status); | |
1148 | ||
f15731c4 | 1149 | /* Initialize the FIB and fill in the directory id field. */ |
1150 | memset (&fib, 0, sizeof (fib)); | |
1151 | fib.fib$w_did[0] = nam.nam$w_did[0]; | |
1152 | fib.fib$w_did[1] = nam.nam$w_did[1]; | |
1153 | fib.fib$w_did[2] = nam.nam$w_did[2]; | |
d8dd2062 | 1154 | fib.fib$l_acctl = 0; |
1155 | fib.fib$l_wcc = 0; | |
1156 | strcpy (file.string, (strrchr (result.string, ']') + 1)); | |
1157 | filedsc.dsc$w_length = strlen (file.string); | |
f15731c4 | 1158 | result.string[result.length = 0] = 0; |
d8dd2062 | 1159 | |
1160 | /* Open and close the file to fill in the attributes. */ | |
1161 | status | |
1162 | = SYS$QIOW (0, chan, IO$_ACCESS|IO$M_ACCESS, &iosb, 0, 0, | |
1163 | &fibdsc, &filedsc, &result.length, &resultdsc, &atrlst, 0); | |
1164 | if ((status & 1) != 1) | |
1165 | LIB$SIGNAL (status); | |
1166 | if ((iosb.status & 1) != 1) | |
1167 | LIB$SIGNAL (iosb.status); | |
1168 | ||
f15731c4 | 1169 | result.string[result.length] = 0; |
1170 | status = SYS$QIOW (0, chan, IO$_DEACCESS, &iosb, 0, 0, &fibdsc, 0, 0, 0, | |
1171 | &atrlst, 0); | |
d8dd2062 | 1172 | if ((status & 1) != 1) |
1173 | LIB$SIGNAL (status); | |
1174 | if ((iosb.status & 1) != 1) | |
1175 | LIB$SIGNAL (iosb.status); | |
1176 | ||
d8dd2062 | 1177 | { |
1178 | time_t t; | |
f15731c4 | 1179 | |
1180 | /* Set creation time to requested time. */ | |
9dfe12ae | 1181 | unix_time_to_vms (time_stamp, newtime); |
f15731c4 | 1182 | |
d8dd2062 | 1183 | t = time ((time_t) 0); |
d8dd2062 | 1184 | |
f15731c4 | 1185 | /* Set revision time to now in local time. */ |
9dfe12ae | 1186 | unix_time_to_vms (t, revtime); |
d8dd2062 | 1187 | } |
1188 | ||
f15731c4 | 1189 | /* Reopen the file, modify the times and then close. */ |
d8dd2062 | 1190 | fib.fib$l_acctl = FIB$M_WRITE; |
1191 | status | |
1192 | = SYS$QIOW (0, chan, IO$_ACCESS|IO$M_ACCESS, &iosb, 0, 0, | |
1193 | &fibdsc, &filedsc, &result.length, &resultdsc, &atrlst, 0); | |
1194 | if ((status & 1) != 1) | |
1195 | LIB$SIGNAL (status); | |
1196 | if ((iosb.status & 1) != 1) | |
1197 | LIB$SIGNAL (iosb.status); | |
1198 | ||
1199 | Fat.create = newtime; | |
1200 | Fat.revise = revtime; | |
1201 | ||
1202 | status = SYS$QIOW (0, chan, IO$_DEACCESS, &iosb, 0, 0, | |
1203 | &fibdsc, 0, 0, 0, &atrlst, 0); | |
1204 | if ((status & 1) != 1) | |
1205 | LIB$SIGNAL (status); | |
1206 | if ((iosb.status & 1) != 1) | |
1207 | LIB$SIGNAL (iosb.status); | |
1208 | ||
f15731c4 | 1209 | /* Deassign the channel and exit. */ |
d8dd2062 | 1210 | status = SYS$DASSGN (chan); |
1211 | if ((status & 1) != 1) | |
1212 | LIB$SIGNAL (status); | |
1213 | #else | |
1214 | struct utimbuf utimbuf; | |
1215 | time_t t; | |
1216 | ||
f15731c4 | 1217 | /* Set modification time to requested time. */ |
d8dd2062 | 1218 | utimbuf.modtime = time_stamp; |
1219 | ||
f15731c4 | 1220 | /* Set access time to now in local time. */ |
d8dd2062 | 1221 | t = time ((time_t) 0); |
1222 | utimbuf.actime = mktime (localtime (&t)); | |
1223 | ||
1224 | utime (name, &utimbuf); | |
1225 | #endif | |
1226 | } | |
1227 | ||
1fac938e | 1228 | void |
9dfe12ae | 1229 | __gnat_get_env_value_ptr (char *name, int *len, char **value) |
1fac938e | 1230 | { |
1231 | *value = getenv (name); | |
1232 | if (!*value) | |
1233 | *len = 0; | |
1234 | else | |
1235 | *len = strlen (*value); | |
1236 | ||
1237 | return; | |
1238 | } | |
1239 | ||
1240 | /* VMS specific declarations for set_env_value. */ | |
1241 | ||
1242 | #ifdef VMS | |
1243 | ||
9dfe12ae | 1244 | static char *to_host_path_spec (char *); |
1fac938e | 1245 | |
1246 | struct descriptor_s | |
1247 | { | |
1248 | unsigned short len, mbz; | |
6d9c3443 | 1249 | __char_ptr32 adr; |
1fac938e | 1250 | }; |
1251 | ||
1252 | typedef struct _ile3 | |
1253 | { | |
1254 | unsigned short len, code; | |
6d9c3443 | 1255 | __char_ptr32 adr; |
1fac938e | 1256 | unsigned short *retlen_adr; |
1257 | } ile_s; | |
1258 | ||
1259 | #endif | |
1260 | ||
1261 | void | |
9dfe12ae | 1262 | __gnat_set_env_value (char *name, char *value) |
1fac938e | 1263 | { |
1264 | #ifdef MSDOS | |
1265 | ||
1266 | #elif defined (VMS) | |
1267 | struct descriptor_s name_desc; | |
f15731c4 | 1268 | /* Put in JOB table for now, so that the project stuff at least works. */ |
1fac938e | 1269 | struct descriptor_s table_desc = {7, 0, "LNM$JOB"}; |
9dfe12ae | 1270 | char *host_pathspec = value; |
1fac938e | 1271 | char *copy_pathspec; |
1272 | int num_dirs_in_pathspec = 1; | |
1273 | char *ptr; | |
9dfe12ae | 1274 | long status; |
1fac938e | 1275 | |
1276 | name_desc.len = strlen (name); | |
1277 | name_desc.mbz = 0; | |
1278 | name_desc.adr = name; | |
1279 | ||
9dfe12ae | 1280 | if (*host_pathspec == 0) |
1281 | /* deassign */ | |
1282 | { | |
1283 | status = LIB$DELETE_LOGICAL (&name_desc, &table_desc); | |
1284 | /* no need to check status; if the logical name is not | |
1285 | defined, that's fine. */ | |
1286 | return; | |
1287 | } | |
1288 | ||
1fac938e | 1289 | ptr = host_pathspec; |
1290 | while (*ptr++) | |
1291 | if (*ptr == ',') | |
1292 | num_dirs_in_pathspec++; | |
1293 | ||
1294 | { | |
1295 | int i, status; | |
1296 | ile_s *ile_array = alloca (sizeof (ile_s) * (num_dirs_in_pathspec + 1)); | |
1297 | char *copy_pathspec = alloca (strlen (host_pathspec) + 1); | |
1298 | char *curr, *next; | |
1299 | ||
1300 | strcpy (copy_pathspec, host_pathspec); | |
1301 | curr = copy_pathspec; | |
1302 | for (i = 0; i < num_dirs_in_pathspec; i++) | |
1303 | { | |
1304 | next = strchr (curr, ','); | |
1305 | if (next == 0) | |
1306 | next = strchr (curr, 0); | |
1307 | ||
1308 | *next = 0; | |
f15731c4 | 1309 | ile_array[i].len = strlen (curr); |
1fac938e | 1310 | |
3cc2671a | 1311 | /* Code 2 from lnmdef.h means it's a string. */ |
f15731c4 | 1312 | ile_array[i].code = 2; |
1313 | ile_array[i].adr = curr; | |
1fac938e | 1314 | |
f15731c4 | 1315 | /* retlen_adr is ignored. */ |
1316 | ile_array[i].retlen_adr = 0; | |
1fac938e | 1317 | curr = next + 1; |
1318 | } | |
1319 | ||
f15731c4 | 1320 | /* Terminating item must be zero. */ |
1321 | ile_array[i].len = 0; | |
1322 | ile_array[i].code = 0; | |
1323 | ile_array[i].adr = 0; | |
1324 | ile_array[i].retlen_adr = 0; | |
1fac938e | 1325 | |
1326 | status = LIB$SET_LOGICAL (&name_desc, 0, &table_desc, 0, ile_array); | |
1327 | if ((status & 1) != 1) | |
1328 | LIB$SIGNAL (status); | |
1329 | } | |
1330 | ||
1331 | #else | |
1332 | int size = strlen (name) + strlen (value) + 2; | |
1333 | char *expression; | |
1334 | ||
1335 | expression = (char *) xmalloc (size * sizeof (char)); | |
1336 | ||
1337 | sprintf (expression, "%s=%s", name, value); | |
1338 | putenv (expression); | |
1339 | #endif | |
1340 | } | |
1341 | ||
1342 | #ifdef _WIN32 | |
1343 | #include <windows.h> | |
1344 | #endif | |
1345 | ||
1346 | /* Get the list of installed standard libraries from the | |
1347 | HKEY_LOCAL_MACHINE\SOFTWARE\Ada Core Technologies\GNAT\Standard Libraries | |
1348 | key. */ | |
1349 | ||
1350 | char * | |
6f2c2693 | 1351 | __gnat_get_libraries_from_registry (void) |
1fac938e | 1352 | { |
1353 | char *result = (char *) ""; | |
1354 | ||
1355 | #if defined (_WIN32) && ! defined (__vxworks) && ! defined (CROSS_COMPILE) | |
1356 | ||
1357 | HKEY reg_key; | |
1358 | DWORD name_size, value_size; | |
1359 | char name[256]; | |
1360 | char value[256]; | |
1361 | DWORD type; | |
1362 | DWORD index; | |
1363 | LONG res; | |
1364 | ||
1365 | /* First open the key. */ | |
1366 | res = RegOpenKeyExA (HKEY_LOCAL_MACHINE, "SOFTWARE", 0, KEY_READ, ®_key); | |
1367 | ||
1368 | if (res == ERROR_SUCCESS) | |
1369 | res = RegOpenKeyExA (reg_key, "Ada Core Technologies", 0, | |
1370 | KEY_READ, ®_key); | |
1371 | ||
1372 | if (res == ERROR_SUCCESS) | |
1373 | res = RegOpenKeyExA (reg_key, "GNAT", 0, KEY_READ, ®_key); | |
1374 | ||
1375 | if (res == ERROR_SUCCESS) | |
1376 | res = RegOpenKeyExA (reg_key, "Standard Libraries", 0, KEY_READ, ®_key); | |
1377 | ||
1378 | /* If the key exists, read out all the values in it and concatenate them | |
1379 | into a path. */ | |
1380 | for (index = 0; res == ERROR_SUCCESS; index++) | |
1381 | { | |
1382 | value_size = name_size = 256; | |
1383 | res = RegEnumValue (reg_key, index, name, &name_size, 0, | |
38750fcd | 1384 | &type, (LPBYTE)value, &value_size); |
1fac938e | 1385 | |
1386 | if (res == ERROR_SUCCESS && type == REG_SZ) | |
1387 | { | |
1388 | char *old_result = result; | |
1389 | ||
1390 | result = (char *) xmalloc (strlen (old_result) + value_size + 2); | |
1391 | strcpy (result, old_result); | |
1392 | strcat (result, value); | |
1393 | strcat (result, ";"); | |
1394 | } | |
1395 | } | |
1396 | ||
1397 | /* Remove the trailing ";". */ | |
1398 | if (result[0] != 0) | |
1399 | result[strlen (result) - 1] = 0; | |
1400 | ||
1401 | #endif | |
1402 | return result; | |
1403 | } | |
1404 | ||
1405 | int | |
9dfe12ae | 1406 | __gnat_stat (char *name, struct stat *statbuf) |
1fac938e | 1407 | { |
1408 | #ifdef _WIN32 | |
1409 | /* Under Windows the directory name for the stat function must not be | |
1410 | terminated by a directory separator except if just after a drive name. */ | |
1411 | int name_len = strlen (name); | |
f15731c4 | 1412 | char last_char = name[name_len - 1]; |
e7b2d6bc | 1413 | char win32_name[GNAT_MAX_PATH_LEN + 2]; |
1414 | ||
1415 | if (name_len > GNAT_MAX_PATH_LEN) | |
1416 | return -1; | |
1fac938e | 1417 | |
1418 | strcpy (win32_name, name); | |
1419 | ||
1420 | while (name_len > 1 && (last_char == '\\' || last_char == '/')) | |
1421 | { | |
f15731c4 | 1422 | win32_name[name_len - 1] = '\0'; |
1fac938e | 1423 | name_len--; |
1424 | last_char = win32_name[name_len - 1]; | |
1425 | } | |
1426 | ||
f15731c4 | 1427 | if (name_len == 2 && win32_name[1] == ':') |
1fac938e | 1428 | strcat (win32_name, "\\"); |
1429 | ||
1430 | return stat (win32_name, statbuf); | |
1431 | ||
1432 | #else | |
1433 | return stat (name, statbuf); | |
1434 | #endif | |
1435 | } | |
1436 | ||
1437 | int | |
9dfe12ae | 1438 | __gnat_file_exists (char *name) |
1fac938e | 1439 | { |
1440 | struct stat statbuf; | |
1441 | ||
1442 | return !__gnat_stat (name, &statbuf); | |
1443 | } | |
1444 | ||
9dfe12ae | 1445 | int |
4a3f445c | 1446 | __gnat_is_absolute_path (char *name, int length) |
1fac938e | 1447 | { |
4a3f445c | 1448 | return (length != 0) && |
1449 | (*name == '/' || *name == DIR_SEPARATOR | |
f15731c4 | 1450 | #if defined (__EMX__) || defined (MSDOS) || defined (WINNT) |
4a3f445c | 1451 | || (length > 1 && isalpha (name[0]) && name[1] == ':') |
1fac938e | 1452 | #endif |
1453 | ); | |
1454 | } | |
1455 | ||
1456 | int | |
9dfe12ae | 1457 | __gnat_is_regular_file (char *name) |
1fac938e | 1458 | { |
1459 | int ret; | |
1460 | struct stat statbuf; | |
1461 | ||
1462 | ret = __gnat_stat (name, &statbuf); | |
1463 | return (!ret && S_ISREG (statbuf.st_mode)); | |
1464 | } | |
1465 | ||
1466 | int | |
9dfe12ae | 1467 | __gnat_is_directory (char *name) |
1fac938e | 1468 | { |
1469 | int ret; | |
1470 | struct stat statbuf; | |
1471 | ||
1472 | ret = __gnat_stat (name, &statbuf); | |
1473 | return (!ret && S_ISDIR (statbuf.st_mode)); | |
1474 | } | |
1475 | ||
1476 | int | |
9dfe12ae | 1477 | __gnat_is_readable_file (char *name) |
1478 | { | |
1479 | int ret; | |
1480 | int mode; | |
1481 | struct stat statbuf; | |
1482 | ||
1483 | ret = __gnat_stat (name, &statbuf); | |
1484 | mode = statbuf.st_mode & S_IRUSR; | |
1485 | return (!ret && mode); | |
1486 | } | |
1487 | ||
1488 | int | |
1489 | __gnat_is_writable_file (char *name) | |
1fac938e | 1490 | { |
1491 | int ret; | |
1492 | int mode; | |
1493 | struct stat statbuf; | |
1494 | ||
1495 | ret = __gnat_stat (name, &statbuf); | |
1496 | mode = statbuf.st_mode & S_IWUSR; | |
1497 | return (!ret && mode); | |
1498 | } | |
1499 | ||
9dfe12ae | 1500 | void |
1501 | __gnat_set_writable (char *name) | |
1502 | { | |
1503 | #ifndef __vxworks | |
1504 | struct stat statbuf; | |
1505 | ||
1506 | if (stat (name, &statbuf) == 0) | |
1507 | { | |
1508 | statbuf.st_mode = statbuf.st_mode | S_IWUSR; | |
1509 | chmod (name, statbuf.st_mode); | |
1510 | } | |
1511 | #endif | |
1512 | } | |
1513 | ||
5329ca64 | 1514 | void |
1515 | __gnat_set_executable (char *name) | |
1516 | { | |
1517 | #ifndef __vxworks | |
1518 | struct stat statbuf; | |
1519 | ||
1520 | if (stat (name, &statbuf) == 0) | |
1521 | { | |
1522 | statbuf.st_mode = statbuf.st_mode | S_IXUSR; | |
1523 | chmod (name, statbuf.st_mode); | |
1524 | } | |
1525 | #endif | |
1526 | } | |
1527 | ||
9dfe12ae | 1528 | void |
1529 | __gnat_set_readonly (char *name) | |
1530 | { | |
1531 | #ifndef __vxworks | |
1532 | struct stat statbuf; | |
1533 | ||
1534 | if (stat (name, &statbuf) == 0) | |
1535 | { | |
1536 | statbuf.st_mode = statbuf.st_mode & 07577; | |
1537 | chmod (name, statbuf.st_mode); | |
1538 | } | |
1539 | #endif | |
1540 | } | |
1541 | ||
1542 | int | |
f0a28ccb | 1543 | __gnat_is_symbolic_link (char *name ATTRIBUTE_UNUSED) |
9dfe12ae | 1544 | { |
1545 | #if defined (__vxworks) | |
1546 | return 0; | |
1547 | ||
8e761191 | 1548 | #elif defined (_AIX) || defined (__APPLE__) || defined (__unix__) |
9dfe12ae | 1549 | int ret; |
1550 | struct stat statbuf; | |
1551 | ||
1552 | ret = lstat (name, &statbuf); | |
1553 | return (!ret && S_ISLNK (statbuf.st_mode)); | |
1554 | ||
1555 | #else | |
1556 | return 0; | |
1557 | #endif | |
1558 | } | |
1559 | ||
1fac938e | 1560 | #if defined (sun) && defined (__SVR4) |
1561 | /* Using fork on Solaris will duplicate all the threads. fork1, which | |
1562 | duplicates only the active thread, must be used instead, or spawning | |
1563 | subprocess from a program with tasking will lead into numerous problems. */ | |
1564 | #define fork fork1 | |
1565 | #endif | |
1566 | ||
1567 | int | |
9dfe12ae | 1568 | __gnat_portable_spawn (char *args[]) |
1fac938e | 1569 | { |
1570 | int status = 0; | |
f0a28ccb | 1571 | int finished ATTRIBUTE_UNUSED; |
1572 | int pid ATTRIBUTE_UNUSED; | |
1fac938e | 1573 | |
1574 | #if defined (MSDOS) || defined (_WIN32) | |
f270dc82 | 1575 | /* args[0] must be quotes as it could contain a full pathname with spaces */ |
38750fcd | 1576 | char *args_0 = args[0]; |
f270dc82 | 1577 | args[0] = (char *)xmalloc (strlen (args_0) + 3); |
1578 | strcpy (args[0], "\""); | |
1579 | strcat (args[0], args_0); | |
1580 | strcat (args[0], "\""); | |
1581 | ||
0b9eca83 | 1582 | status = spawnvp (P_WAIT, args_0, (const char* const*)args); |
f270dc82 | 1583 | |
1584 | /* restore previous value */ | |
1585 | free (args[0]); | |
8e761191 | 1586 | args[0] = (char *)args_0; |
f270dc82 | 1587 | |
1fac938e | 1588 | if (status < 0) |
f15731c4 | 1589 | return -1; |
1fac938e | 1590 | else |
1591 | return status; | |
1592 | ||
f15731c4 | 1593 | #elif defined (__vxworks) |
1594 | return -1; | |
1fac938e | 1595 | #else |
1596 | ||
1597 | #ifdef __EMX__ | |
f15731c4 | 1598 | pid = spawnvp (P_NOWAIT, args[0], args); |
1fac938e | 1599 | if (pid == -1) |
f15731c4 | 1600 | return -1; |
1601 | ||
1fac938e | 1602 | #else |
1603 | pid = fork (); | |
f15731c4 | 1604 | if (pid < 0) |
1605 | return -1; | |
1fac938e | 1606 | |
f15731c4 | 1607 | if (pid == 0) |
1608 | { | |
1609 | /* The child. */ | |
6d9c3443 | 1610 | if (execv (args[0], MAYBE_TO_PTR32 (args)) != 0) |
f15731c4 | 1611 | #if defined (VMS) |
1612 | return -1; /* execv is in parent context on VMS. */ | |
1613 | #else | |
1614 | _exit (1); | |
1615 | #endif | |
1616 | } | |
1fac938e | 1617 | #endif |
1618 | ||
f15731c4 | 1619 | /* The parent. */ |
1fac938e | 1620 | finished = waitpid (pid, &status, 0); |
1621 | ||
1622 | if (finished != pid || WIFEXITED (status) == 0) | |
f15731c4 | 1623 | return -1; |
1fac938e | 1624 | |
1625 | return WEXITSTATUS (status); | |
1626 | #endif | |
f15731c4 | 1627 | |
1fac938e | 1628 | return 0; |
1629 | } | |
1630 | ||
8e761191 | 1631 | /* Create a copy of the given file descriptor. |
1632 | Return -1 if an error occurred. */ | |
1633 | ||
1634 | int | |
1635 | __gnat_dup (int oldfd) | |
1636 | { | |
1637 | #if defined (__vxworks) | |
1638 | /* Not supported on VxWorks. */ | |
1639 | return -1; | |
1640 | #else | |
1641 | return dup (oldfd); | |
1642 | #endif | |
1643 | } | |
1644 | ||
1645 | /* Make newfd be the copy of oldfd, closing newfd first if necessary. | |
5e947a95 | 1646 | Return -1 if an error occurred. */ |
8e761191 | 1647 | |
1648 | int | |
1649 | __gnat_dup2 (int oldfd, int newfd) | |
1650 | { | |
1651 | #if defined (__vxworks) | |
1652 | /* Not supported on VxWorks. */ | |
1653 | return -1; | |
1654 | #else | |
1655 | return dup2 (oldfd, newfd); | |
1656 | #endif | |
1657 | } | |
1658 | ||
f15731c4 | 1659 | /* WIN32 code to implement a wait call that wait for any child process. */ |
1660 | ||
1fac938e | 1661 | #ifdef _WIN32 |
1662 | ||
1663 | /* Synchronization code, to be thread safe. */ | |
1664 | ||
1665 | static CRITICAL_SECTION plist_cs; | |
1666 | ||
1667 | void | |
f0a28ccb | 1668 | __gnat_plist_init (void) |
1fac938e | 1669 | { |
1670 | InitializeCriticalSection (&plist_cs); | |
1671 | } | |
1672 | ||
1673 | static void | |
f0a28ccb | 1674 | plist_enter (void) |
1fac938e | 1675 | { |
1676 | EnterCriticalSection (&plist_cs); | |
1677 | } | |
1678 | ||
f15731c4 | 1679 | static void |
f0a28ccb | 1680 | plist_leave (void) |
1fac938e | 1681 | { |
1682 | LeaveCriticalSection (&plist_cs); | |
1683 | } | |
1684 | ||
1685 | typedef struct _process_list | |
1686 | { | |
1687 | HANDLE h; | |
1688 | struct _process_list *next; | |
1689 | } Process_List; | |
1690 | ||
1691 | static Process_List *PLIST = NULL; | |
1692 | ||
1693 | static int plist_length = 0; | |
1694 | ||
1695 | static void | |
9dfe12ae | 1696 | add_handle (HANDLE h) |
1fac938e | 1697 | { |
1698 | Process_List *pl; | |
1699 | ||
1700 | pl = (Process_List *) xmalloc (sizeof (Process_List)); | |
1701 | ||
1702 | plist_enter(); | |
1703 | ||
1704 | /* -------------------- critical section -------------------- */ | |
1705 | pl->h = h; | |
1706 | pl->next = PLIST; | |
1707 | PLIST = pl; | |
1708 | ++plist_length; | |
1709 | /* -------------------- critical section -------------------- */ | |
1710 | ||
1711 | plist_leave(); | |
1712 | } | |
1713 | ||
f0a28ccb | 1714 | static void |
1715 | remove_handle (HANDLE h) | |
1fac938e | 1716 | { |
f0a28ccb | 1717 | Process_List *pl; |
1718 | Process_List *prev = NULL; | |
1fac938e | 1719 | |
1720 | plist_enter(); | |
1721 | ||
1722 | /* -------------------- critical section -------------------- */ | |
1723 | pl = PLIST; | |
1724 | while (pl) | |
1725 | { | |
1726 | if (pl->h == h) | |
1727 | { | |
1728 | if (pl == PLIST) | |
1729 | PLIST = pl->next; | |
1730 | else | |
1731 | prev->next = pl->next; | |
1732 | free (pl); | |
1733 | break; | |
1734 | } | |
1735 | else | |
1736 | { | |
1737 | prev = pl; | |
1738 | pl = pl->next; | |
1739 | } | |
1740 | } | |
1741 | ||
1742 | --plist_length; | |
1743 | /* -------------------- critical section -------------------- */ | |
1744 | ||
1745 | plist_leave(); | |
1746 | } | |
1747 | ||
1748 | static int | |
9dfe12ae | 1749 | win32_no_block_spawn (char *command, char *args[]) |
1fac938e | 1750 | { |
1751 | BOOL result; | |
1752 | STARTUPINFO SI; | |
1753 | PROCESS_INFORMATION PI; | |
1754 | SECURITY_ATTRIBUTES SA; | |
f15731c4 | 1755 | int csize = 1; |
1756 | char *full_command; | |
1fac938e | 1757 | int k; |
1758 | ||
f15731c4 | 1759 | /* compute the total command line length */ |
1760 | k = 0; | |
1761 | while (args[k]) | |
1762 | { | |
1763 | csize += strlen (args[k]) + 1; | |
1764 | k++; | |
1765 | } | |
1766 | ||
1767 | full_command = (char *) xmalloc (csize); | |
1768 | ||
1fac938e | 1769 | /* Startup info. */ |
1770 | SI.cb = sizeof (STARTUPINFO); | |
1771 | SI.lpReserved = NULL; | |
1772 | SI.lpReserved2 = NULL; | |
1773 | SI.lpDesktop = NULL; | |
1774 | SI.cbReserved2 = 0; | |
1775 | SI.lpTitle = NULL; | |
1776 | SI.dwFlags = 0; | |
1777 | SI.wShowWindow = SW_HIDE; | |
1778 | ||
1779 | /* Security attributes. */ | |
1780 | SA.nLength = sizeof (SECURITY_ATTRIBUTES); | |
1781 | SA.bInheritHandle = TRUE; | |
1782 | SA.lpSecurityDescriptor = NULL; | |
1783 | ||
1784 | /* Prepare the command string. */ | |
1785 | strcpy (full_command, command); | |
1786 | strcat (full_command, " "); | |
1787 | ||
1788 | k = 1; | |
1789 | while (args[k]) | |
1790 | { | |
1791 | strcat (full_command, args[k]); | |
1792 | strcat (full_command, " "); | |
1793 | k++; | |
1794 | } | |
1795 | ||
8e761191 | 1796 | result = CreateProcess |
1797 | (NULL, (char *) full_command, &SA, NULL, TRUE, | |
1798 | GetPriorityClass (GetCurrentProcess()), NULL, NULL, &SI, &PI); | |
1fac938e | 1799 | |
f15731c4 | 1800 | free (full_command); |
1801 | ||
1fac938e | 1802 | if (result == TRUE) |
1803 | { | |
1804 | add_handle (PI.hProcess); | |
1805 | CloseHandle (PI.hThread); | |
1806 | return (int) PI.hProcess; | |
1807 | } | |
1808 | else | |
1809 | return -1; | |
1810 | } | |
1811 | ||
1812 | static int | |
9dfe12ae | 1813 | win32_wait (int *status) |
1fac938e | 1814 | { |
1815 | DWORD exitcode; | |
1816 | HANDLE *hl; | |
1817 | HANDLE h; | |
1818 | DWORD res; | |
1819 | int k; | |
1820 | Process_List *pl; | |
1821 | ||
1822 | if (plist_length == 0) | |
1823 | { | |
1824 | errno = ECHILD; | |
1825 | return -1; | |
1826 | } | |
1827 | ||
1828 | hl = (HANDLE *) xmalloc (sizeof (HANDLE) * plist_length); | |
1829 | ||
1830 | k = 0; | |
1831 | plist_enter(); | |
1832 | ||
1833 | /* -------------------- critical section -------------------- */ | |
1834 | pl = PLIST; | |
1835 | while (pl) | |
1836 | { | |
1837 | hl[k++] = pl->h; | |
1838 | pl = pl->next; | |
1839 | } | |
1840 | /* -------------------- critical section -------------------- */ | |
1841 | ||
1842 | plist_leave(); | |
1843 | ||
1844 | res = WaitForMultipleObjects (plist_length, hl, FALSE, INFINITE); | |
f15731c4 | 1845 | h = hl[res - WAIT_OBJECT_0]; |
1fac938e | 1846 | free (hl); |
1847 | ||
1848 | remove_handle (h); | |
1849 | ||
1850 | GetExitCodeProcess (h, &exitcode); | |
1851 | CloseHandle (h); | |
1852 | ||
1853 | *status = (int) exitcode; | |
1854 | return (int) h; | |
1855 | } | |
1856 | ||
1857 | #endif | |
1858 | ||
1859 | int | |
9dfe12ae | 1860 | __gnat_portable_no_block_spawn (char *args[]) |
1fac938e | 1861 | { |
1862 | int pid = 0; | |
1863 | ||
1864 | #if defined (__EMX__) || defined (MSDOS) | |
1865 | ||
1866 | /* ??? For PC machines I (Franco) don't know the system calls to implement | |
1867 | this routine. So I'll fake it as follows. This routine will behave | |
1868 | exactly like the blocking portable_spawn and will systematically return | |
1869 | a pid of 0 unless the spawned task did not complete successfully, in | |
1870 | which case we return a pid of -1. To synchronize with this the | |
1871 | portable_wait below systematically returns a pid of 0 and reports that | |
1872 | the subprocess terminated successfully. */ | |
1873 | ||
f15731c4 | 1874 | if (spawnvp (P_WAIT, args[0], args) != 0) |
1fac938e | 1875 | return -1; |
1876 | ||
1877 | #elif defined (_WIN32) | |
1878 | ||
1879 | pid = win32_no_block_spawn (args[0], args); | |
1880 | return pid; | |
1881 | ||
f15731c4 | 1882 | #elif defined (__vxworks) |
1883 | return -1; | |
1fac938e | 1884 | |
1885 | #else | |
1886 | pid = fork (); | |
1887 | ||
f15731c4 | 1888 | if (pid == 0) |
1889 | { | |
1890 | /* The child. */ | |
6d9c3443 | 1891 | if (execv (args[0], MAYBE_TO_PTR32 (args)) != 0) |
f15731c4 | 1892 | #if defined (VMS) |
1893 | return -1; /* execv is in parent context on VMS. */ | |
9dfe12ae | 1894 | #else |
f15731c4 | 1895 | _exit (1); |
1896 | #endif | |
1897 | } | |
1898 | ||
1fac938e | 1899 | #endif |
1900 | ||
1901 | return pid; | |
1902 | } | |
1903 | ||
1904 | int | |
9dfe12ae | 1905 | __gnat_portable_wait (int *process_status) |
1fac938e | 1906 | { |
1907 | int status = 0; | |
1908 | int pid = 0; | |
1909 | ||
1910 | #if defined (_WIN32) | |
1911 | ||
1912 | pid = win32_wait (&status); | |
1913 | ||
1914 | #elif defined (__EMX__) || defined (MSDOS) | |
f15731c4 | 1915 | /* ??? See corresponding comment in portable_no_block_spawn. */ |
1fac938e | 1916 | |
1917 | #elif defined (__vxworks) | |
1918 | /* Not sure what to do here, so do same as __EMX__ case, i.e., nothing but | |
f15731c4 | 1919 | return zero. */ |
1fac938e | 1920 | #else |
1921 | ||
1fac938e | 1922 | pid = waitpid (-1, &status, 0); |
1fac938e | 1923 | status = status & 0xffff; |
1924 | #endif | |
1925 | ||
1926 | *process_status = status; | |
1927 | return pid; | |
1928 | } | |
1929 | ||
1930 | void | |
9dfe12ae | 1931 | __gnat_os_exit (int status) |
1fac938e | 1932 | { |
1fac938e | 1933 | exit (status); |
1fac938e | 1934 | } |
1935 | ||
f15731c4 | 1936 | /* Locate a regular file, give a Path value. */ |
1fac938e | 1937 | |
1938 | char * | |
9dfe12ae | 1939 | __gnat_locate_regular_file (char *file_name, char *path_val) |
1fac938e | 1940 | { |
1941 | char *ptr; | |
c69ba469 | 1942 | char *file_path = alloca (strlen (file_name) + 1); |
1943 | int absolute; | |
1944 | ||
1945 | /* Remove quotes around file_name if present */ | |
1946 | ||
1947 | ptr = file_name; | |
1948 | if (*ptr == '"') | |
1949 | ptr++; | |
1950 | ||
1951 | strcpy (file_path, ptr); | |
1952 | ||
1953 | ptr = file_path + strlen (file_path) - 1; | |
1954 | ||
1955 | if (*ptr == '"') | |
1956 | *ptr = '\0'; | |
1fac938e | 1957 | |
f15731c4 | 1958 | /* Handle absolute pathnames. */ |
c69ba469 | 1959 | |
1960 | absolute = __gnat_is_absolute_path (file_path, strlen (file_name)); | |
1961 | ||
9dfe12ae | 1962 | if (absolute) |
1963 | { | |
c69ba469 | 1964 | if (__gnat_is_regular_file (file_path)) |
1965 | return xstrdup (file_path); | |
9dfe12ae | 1966 | |
1967 | return 0; | |
1968 | } | |
1969 | ||
1970 | /* If file_name include directory separator(s), try it first as | |
1971 | a path name relative to the current directory */ | |
1fac938e | 1972 | for (ptr = file_name; *ptr && *ptr != '/' && *ptr != DIR_SEPARATOR; ptr++) |
1973 | ; | |
1974 | ||
9dfe12ae | 1975 | if (*ptr != 0) |
1fac938e | 1976 | { |
1977 | if (__gnat_is_regular_file (file_name)) | |
1978 | return xstrdup (file_name); | |
1fac938e | 1979 | } |
1980 | ||
1981 | if (path_val == 0) | |
1982 | return 0; | |
1983 | ||
1984 | { | |
1985 | /* The result has to be smaller than path_val + file_name. */ | |
1986 | char *file_path = alloca (strlen (path_val) + strlen (file_name) + 2); | |
1987 | ||
1988 | for (;;) | |
1989 | { | |
1990 | for (; *path_val == PATH_SEPARATOR; path_val++) | |
1991 | ; | |
1992 | ||
1993 | if (*path_val == 0) | |
1994 | return 0; | |
1995 | ||
c69ba469 | 1996 | /* Skip the starting quote */ |
1997 | ||
1998 | if (*path_val == '"') | |
1999 | path_val++; | |
2000 | ||
1fac938e | 2001 | for (ptr = file_path; *path_val && *path_val != PATH_SEPARATOR; ) |
c69ba469 | 2002 | *ptr++ = *path_val++; |
1fac938e | 2003 | |
2004 | ptr--; | |
c69ba469 | 2005 | |
2006 | /* Skip the ending quote */ | |
2007 | ||
2008 | if (*ptr == '"') | |
2009 | ptr--; | |
2010 | ||
1fac938e | 2011 | if (*ptr != '/' && *ptr != DIR_SEPARATOR) |
2012 | *++ptr = DIR_SEPARATOR; | |
2013 | ||
2014 | strcpy (++ptr, file_name); | |
2015 | ||
2016 | if (__gnat_is_regular_file (file_path)) | |
2017 | return xstrdup (file_path); | |
2018 | } | |
2019 | } | |
2020 | ||
2021 | return 0; | |
2022 | } | |
2023 | ||
1fac938e | 2024 | /* Locate an executable given a Path argument. This routine is only used by |
2025 | gnatbl and should not be used otherwise. Use locate_exec_on_path | |
f15731c4 | 2026 | instead. */ |
1fac938e | 2027 | |
2028 | char * | |
9dfe12ae | 2029 | __gnat_locate_exec (char *exec_name, char *path_val) |
1fac938e | 2030 | { |
2031 | if (!strstr (exec_name, HOST_EXECUTABLE_SUFFIX)) | |
2032 | { | |
2033 | char *full_exec_name | |
2034 | = alloca (strlen (exec_name) + strlen (HOST_EXECUTABLE_SUFFIX) + 1); | |
2035 | ||
2036 | strcpy (full_exec_name, exec_name); | |
2037 | strcat (full_exec_name, HOST_EXECUTABLE_SUFFIX); | |
2038 | return __gnat_locate_regular_file (full_exec_name, path_val); | |
2039 | } | |
2040 | else | |
2041 | return __gnat_locate_regular_file (exec_name, path_val); | |
2042 | } | |
2043 | ||
f15731c4 | 2044 | /* Locate an executable using the Systems default PATH. */ |
1fac938e | 2045 | |
2046 | char * | |
9dfe12ae | 2047 | __gnat_locate_exec_on_path (char *exec_name) |
1fac938e | 2048 | { |
9dfe12ae | 2049 | char *apath_val; |
1fac938e | 2050 | #ifdef VMS |
2051 | char *path_val = "/VAXC$PATH"; | |
2052 | #else | |
2053 | char *path_val = getenv ("PATH"); | |
2054 | #endif | |
9dfe12ae | 2055 | #ifdef _WIN32 |
2056 | /* In Win32 systems we expand the PATH as for XP environment | |
c69ba469 | 2057 | variables are not automatically expanded. We also prepend the |
2058 | ".;" to the path to match normal NT path search semantics */ | |
9dfe12ae | 2059 | |
c69ba469 | 2060 | #define EXPAND_BUFFER_SIZE 32767 |
9dfe12ae | 2061 | |
c69ba469 | 2062 | apath_val = alloca (EXPAND_BUFFER_SIZE); |
2063 | ||
2064 | apath_val [0] = '.'; | |
2065 | apath_val [1] = ';'; | |
1fac938e | 2066 | |
c69ba469 | 2067 | DWORD res = ExpandEnvironmentStrings |
2068 | (path_val, apath_val + 2, EXPAND_BUFFER_SIZE - 2); | |
2069 | ||
2070 | if (!res) apath_val [0] = '\0'; | |
2071 | #else | |
9dfe12ae | 2072 | apath_val = alloca (strlen (path_val) + 1); |
1fac938e | 2073 | strcpy (apath_val, path_val); |
c69ba469 | 2074 | #endif |
9dfe12ae | 2075 | |
1fac938e | 2076 | return __gnat_locate_exec (exec_name, apath_val); |
2077 | } | |
2078 | ||
2079 | #ifdef VMS | |
2080 | ||
2081 | /* These functions are used to translate to and from VMS and Unix syntax | |
f15731c4 | 2082 | file, directory and path specifications. */ |
1fac938e | 2083 | |
9dfe12ae | 2084 | #define MAXPATH 256 |
1fac938e | 2085 | #define MAXNAMES 256 |
2086 | #define NEW_CANONICAL_FILELIST_INCREMENT 64 | |
2087 | ||
9dfe12ae | 2088 | static char new_canonical_dirspec [MAXPATH]; |
2089 | static char new_canonical_filespec [MAXPATH]; | |
2090 | static char new_canonical_pathspec [MAXNAMES*MAXPATH]; | |
1fac938e | 2091 | static unsigned new_canonical_filelist_index; |
2092 | static unsigned new_canonical_filelist_in_use; | |
2093 | static unsigned new_canonical_filelist_allocated; | |
2094 | static char **new_canonical_filelist; | |
9dfe12ae | 2095 | static char new_host_pathspec [MAXNAMES*MAXPATH]; |
2096 | static char new_host_dirspec [MAXPATH]; | |
2097 | static char new_host_filespec [MAXPATH]; | |
1fac938e | 2098 | |
2099 | /* Routine is called repeatedly by decc$from_vms via | |
9dfe12ae | 2100 | __gnat_to_canonical_file_list_init until it returns 0 or the expansion |
2101 | runs out. */ | |
1fac938e | 2102 | |
2103 | static int | |
9dfe12ae | 2104 | wildcard_translate_unix (char *name) |
1fac938e | 2105 | { |
2106 | char *ver; | |
9dfe12ae | 2107 | char buff [MAXPATH]; |
1fac938e | 2108 | |
9dfe12ae | 2109 | strncpy (buff, name, MAXPATH); |
2110 | buff [MAXPATH - 1] = (char) 0; | |
1fac938e | 2111 | ver = strrchr (buff, '.'); |
2112 | ||
f15731c4 | 2113 | /* Chop off the version. */ |
1fac938e | 2114 | if (ver) |
2115 | *ver = 0; | |
2116 | ||
f15731c4 | 2117 | /* Dynamically extend the allocation by the increment. */ |
1fac938e | 2118 | if (new_canonical_filelist_in_use == new_canonical_filelist_allocated) |
2119 | { | |
2120 | new_canonical_filelist_allocated += NEW_CANONICAL_FILELIST_INCREMENT; | |
f15731c4 | 2121 | new_canonical_filelist = (char **) xrealloc |
1fac938e | 2122 | (new_canonical_filelist, |
2123 | new_canonical_filelist_allocated * sizeof (char *)); | |
2124 | } | |
2125 | ||
2126 | new_canonical_filelist[new_canonical_filelist_in_use++] = xstrdup (buff); | |
2127 | ||
2128 | return 1; | |
2129 | } | |
2130 | ||
f15731c4 | 2131 | /* Translate a wildcard VMS file spec into a list of Unix file specs. First do |
2132 | full translation and copy the results into a list (_init), then return them | |
2133 | one at a time (_next). If onlydirs set, only expand directory files. */ | |
1fac938e | 2134 | |
2135 | int | |
9dfe12ae | 2136 | __gnat_to_canonical_file_list_init (char *filespec, int onlydirs) |
1fac938e | 2137 | { |
2138 | int len; | |
9dfe12ae | 2139 | char buff [MAXPATH]; |
1fac938e | 2140 | |
2141 | len = strlen (filespec); | |
9dfe12ae | 2142 | strncpy (buff, filespec, MAXPATH); |
2143 | ||
2144 | /* Only look for directories */ | |
2145 | if (onlydirs && !strstr (&buff [len-5], "*.dir")) | |
2146 | strncat (buff, "*.dir", MAXPATH); | |
1fac938e | 2147 | |
9dfe12ae | 2148 | buff [MAXPATH - 1] = (char) 0; |
1fac938e | 2149 | |
2150 | decc$from_vms (buff, wildcard_translate_unix, 1); | |
2151 | ||
f15731c4 | 2152 | /* Remove the .dir extension. */ |
1fac938e | 2153 | if (onlydirs) |
2154 | { | |
2155 | int i; | |
2156 | char *ext; | |
2157 | ||
2158 | for (i = 0; i < new_canonical_filelist_in_use; i++) | |
2159 | { | |
f15731c4 | 2160 | ext = strstr (new_canonical_filelist[i], ".dir"); |
1fac938e | 2161 | if (ext) |
2162 | *ext = 0; | |
2163 | } | |
2164 | } | |
2165 | ||
2166 | return new_canonical_filelist_in_use; | |
2167 | } | |
2168 | ||
f15731c4 | 2169 | /* Return the next filespec in the list. */ |
1fac938e | 2170 | |
2171 | char * | |
2172 | __gnat_to_canonical_file_list_next () | |
2173 | { | |
f15731c4 | 2174 | return new_canonical_filelist[new_canonical_filelist_index++]; |
1fac938e | 2175 | } |
2176 | ||
f15731c4 | 2177 | /* Free storage used in the wildcard expansion. */ |
1fac938e | 2178 | |
2179 | void | |
2180 | __gnat_to_canonical_file_list_free () | |
2181 | { | |
2182 | int i; | |
2183 | ||
2184 | for (i = 0; i < new_canonical_filelist_in_use; i++) | |
f15731c4 | 2185 | free (new_canonical_filelist[i]); |
1fac938e | 2186 | |
2187 | free (new_canonical_filelist); | |
2188 | ||
2189 | new_canonical_filelist_in_use = 0; | |
2190 | new_canonical_filelist_allocated = 0; | |
2191 | new_canonical_filelist_index = 0; | |
2192 | new_canonical_filelist = 0; | |
2193 | } | |
2194 | ||
f15731c4 | 2195 | /* Translate a VMS syntax directory specification in to Unix syntax. If |
2196 | PREFIXFLAG is set, append an underscore "/". If no indicators of VMS syntax | |
2197 | found, return input string. Also translate a dirname that contains no | |
2198 | slashes, in case it's a logical name. */ | |
1fac938e | 2199 | |
2200 | char * | |
9dfe12ae | 2201 | __gnat_to_canonical_dir_spec (char *dirspec, int prefixflag) |
1fac938e | 2202 | { |
2203 | int len; | |
2204 | ||
2205 | strcpy (new_canonical_dirspec, ""); | |
2206 | if (strlen (dirspec)) | |
2207 | { | |
2208 | char *dirspec1; | |
2209 | ||
2210 | if (strchr (dirspec, ']') || strchr (dirspec, ':')) | |
9dfe12ae | 2211 | { |
2212 | strncpy (new_canonical_dirspec, | |
2213 | (char *) decc$translate_vms (dirspec), | |
2214 | MAXPATH); | |
2215 | } | |
1fac938e | 2216 | else if (!strchr (dirspec, '/') && (dirspec1 = getenv (dirspec)) != 0) |
9dfe12ae | 2217 | { |
2218 | strncpy (new_canonical_dirspec, | |
2219 | (char *) decc$translate_vms (dirspec1), | |
2220 | MAXPATH); | |
2221 | } | |
1fac938e | 2222 | else |
9dfe12ae | 2223 | { |
2224 | strncpy (new_canonical_dirspec, dirspec, MAXPATH); | |
2225 | } | |
1fac938e | 2226 | } |
2227 | ||
2228 | len = strlen (new_canonical_dirspec); | |
9dfe12ae | 2229 | if (prefixflag && new_canonical_dirspec [len-1] != '/') |
2230 | strncat (new_canonical_dirspec, "/", MAXPATH); | |
2231 | ||
2232 | new_canonical_dirspec [MAXPATH - 1] = (char) 0; | |
1fac938e | 2233 | |
2234 | return new_canonical_dirspec; | |
2235 | ||
2236 | } | |
2237 | ||
2238 | /* Translate a VMS syntax file specification into Unix syntax. | |
3cc2671a | 2239 | If no indicators of VMS syntax found, check if it's an uppercase |
23c6b287 | 2240 | alphanumeric_ name and if so try it out as an environment |
2241 | variable (logical name). If all else fails return the | |
2242 | input string. */ | |
1fac938e | 2243 | |
2244 | char * | |
9dfe12ae | 2245 | __gnat_to_canonical_file_spec (char *filespec) |
1fac938e | 2246 | { |
23c6b287 | 2247 | char *filespec1; |
2248 | ||
9dfe12ae | 2249 | strncpy (new_canonical_filespec, "", MAXPATH); |
2250 | ||
1fac938e | 2251 | if (strchr (filespec, ']') || strchr (filespec, ':')) |
9dfe12ae | 2252 | { |
c69ba469 | 2253 | char *tspec = (char *) decc$translate_vms (filespec); |
2254 | ||
2255 | if (tspec != (char *) -1) | |
2256 | strncpy (new_canonical_filespec, tspec, MAXPATH); | |
23c6b287 | 2257 | } |
2258 | else if ((strlen (filespec) == strspn (filespec, | |
2259 | "ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789_")) | |
2260 | && (filespec1 = getenv (filespec))) | |
2261 | { | |
c69ba469 | 2262 | char *tspec = (char *) decc$translate_vms (filespec1); |
2263 | ||
2264 | if (tspec != (char *) -1) | |
2265 | strncpy (new_canonical_filespec, tspec, MAXPATH); | |
9dfe12ae | 2266 | } |
1fac938e | 2267 | else |
9dfe12ae | 2268 | { |
2269 | strncpy (new_canonical_filespec, filespec, MAXPATH); | |
2270 | } | |
2271 | ||
2272 | new_canonical_filespec [MAXPATH - 1] = (char) 0; | |
1fac938e | 2273 | |
2274 | return new_canonical_filespec; | |
2275 | } | |
2276 | ||
2277 | /* Translate a VMS syntax path specification into Unix syntax. | |
f15731c4 | 2278 | If no indicators of VMS syntax found, return input string. */ |
1fac938e | 2279 | |
2280 | char * | |
9dfe12ae | 2281 | __gnat_to_canonical_path_spec (char *pathspec) |
1fac938e | 2282 | { |
9dfe12ae | 2283 | char *curr, *next, buff [MAXPATH]; |
1fac938e | 2284 | |
2285 | if (pathspec == 0) | |
2286 | return pathspec; | |
2287 | ||
f15731c4 | 2288 | /* If there are /'s, assume it's a Unix path spec and return. */ |
1fac938e | 2289 | if (strchr (pathspec, '/')) |
2290 | return pathspec; | |
2291 | ||
f15731c4 | 2292 | new_canonical_pathspec[0] = 0; |
1fac938e | 2293 | curr = pathspec; |
2294 | ||
2295 | for (;;) | |
2296 | { | |
2297 | next = strchr (curr, ','); | |
2298 | if (next == 0) | |
2299 | next = strchr (curr, 0); | |
2300 | ||
2301 | strncpy (buff, curr, next - curr); | |
f15731c4 | 2302 | buff[next - curr] = 0; |
1fac938e | 2303 | |
f15731c4 | 2304 | /* Check for wildcards and expand if present. */ |
1fac938e | 2305 | if (strchr (buff, '*') || strchr (buff, '%') || strstr (buff, "...")) |
2306 | { | |
2307 | int i, dirs; | |
2308 | ||
2309 | dirs = __gnat_to_canonical_file_list_init (buff, 1); | |
2310 | for (i = 0; i < dirs; i++) | |
2311 | { | |
2312 | char *next_dir; | |
2313 | ||
2314 | next_dir = __gnat_to_canonical_file_list_next (); | |
9dfe12ae | 2315 | strncat (new_canonical_pathspec, next_dir, MAXPATH); |
1fac938e | 2316 | |
f15731c4 | 2317 | /* Don't append the separator after the last expansion. */ |
1fac938e | 2318 | if (i+1 < dirs) |
9dfe12ae | 2319 | strncat (new_canonical_pathspec, ":", MAXPATH); |
1fac938e | 2320 | } |
2321 | ||
2322 | __gnat_to_canonical_file_list_free (); | |
2323 | } | |
2324 | else | |
9dfe12ae | 2325 | strncat (new_canonical_pathspec, |
2326 | __gnat_to_canonical_dir_spec (buff, 0), MAXPATH); | |
1fac938e | 2327 | |
2328 | if (*next == 0) | |
2329 | break; | |
2330 | ||
9dfe12ae | 2331 | strncat (new_canonical_pathspec, ":", MAXPATH); |
1fac938e | 2332 | curr = next + 1; |
2333 | } | |
2334 | ||
9dfe12ae | 2335 | new_canonical_pathspec [MAXPATH - 1] = (char) 0; |
2336 | ||
1fac938e | 2337 | return new_canonical_pathspec; |
2338 | } | |
2339 | ||
9dfe12ae | 2340 | static char filename_buff [MAXPATH]; |
1fac938e | 2341 | |
2342 | static int | |
9dfe12ae | 2343 | translate_unix (char *name, int type) |
1fac938e | 2344 | { |
9dfe12ae | 2345 | strncpy (filename_buff, name, MAXPATH); |
2346 | filename_buff [MAXPATH - 1] = (char) 0; | |
1fac938e | 2347 | return 0; |
2348 | } | |
2349 | ||
f15731c4 | 2350 | /* Translate a Unix syntax path spec into a VMS style (comma separated list of |
2351 | directories. */ | |
1fac938e | 2352 | |
2353 | static char * | |
9dfe12ae | 2354 | to_host_path_spec (char *pathspec) |
1fac938e | 2355 | { |
9dfe12ae | 2356 | char *curr, *next, buff [MAXPATH]; |
1fac938e | 2357 | |
2358 | if (pathspec == 0) | |
2359 | return pathspec; | |
2360 | ||
f15731c4 | 2361 | /* Can't very well test for colons, since that's the Unix separator! */ |
1fac938e | 2362 | if (strchr (pathspec, ']') || strchr (pathspec, ',')) |
2363 | return pathspec; | |
2364 | ||
f15731c4 | 2365 | new_host_pathspec[0] = 0; |
1fac938e | 2366 | curr = pathspec; |
2367 | ||
2368 | for (;;) | |
2369 | { | |
2370 | next = strchr (curr, ':'); | |
2371 | if (next == 0) | |
2372 | next = strchr (curr, 0); | |
2373 | ||
2374 | strncpy (buff, curr, next - curr); | |
f15731c4 | 2375 | buff[next - curr] = 0; |
1fac938e | 2376 | |
9dfe12ae | 2377 | strncat (new_host_pathspec, __gnat_to_host_dir_spec (buff, 0), MAXPATH); |
1fac938e | 2378 | if (*next == 0) |
2379 | break; | |
9dfe12ae | 2380 | strncat (new_host_pathspec, ",", MAXPATH); |
1fac938e | 2381 | curr = next + 1; |
2382 | } | |
2383 | ||
9dfe12ae | 2384 | new_host_pathspec [MAXPATH - 1] = (char) 0; |
2385 | ||
1fac938e | 2386 | return new_host_pathspec; |
2387 | } | |
2388 | ||
f15731c4 | 2389 | /* Translate a Unix syntax directory specification into VMS syntax. The |
2390 | PREFIXFLAG has no effect, but is kept for symmetry with | |
2391 | to_canonical_dir_spec. If indicators of VMS syntax found, return input | |
2392 | string. */ | |
1fac938e | 2393 | |
2394 | char * | |
9dfe12ae | 2395 | __gnat_to_host_dir_spec (char *dirspec, int prefixflag ATTRIBUTE_UNUSED) |
1fac938e | 2396 | { |
2397 | int len = strlen (dirspec); | |
2398 | ||
9dfe12ae | 2399 | strncpy (new_host_dirspec, dirspec, MAXPATH); |
2400 | new_host_dirspec [MAXPATH - 1] = (char) 0; | |
1fac938e | 2401 | |
2402 | if (strchr (new_host_dirspec, ']') || strchr (new_host_dirspec, ':')) | |
2403 | return new_host_dirspec; | |
2404 | ||
f15731c4 | 2405 | while (len > 1 && new_host_dirspec[len - 1] == '/') |
1fac938e | 2406 | { |
f15731c4 | 2407 | new_host_dirspec[len - 1] = 0; |
1fac938e | 2408 | len--; |
2409 | } | |
2410 | ||
2411 | decc$to_vms (new_host_dirspec, translate_unix, 1, 2); | |
9dfe12ae | 2412 | strncpy (new_host_dirspec, filename_buff, MAXPATH); |
2413 | new_host_dirspec [MAXPATH - 1] = (char) 0; | |
1fac938e | 2414 | |
2415 | return new_host_dirspec; | |
1fac938e | 2416 | } |
2417 | ||
2418 | /* Translate a Unix syntax file specification into VMS syntax. | |
f15731c4 | 2419 | If indicators of VMS syntax found, return input string. */ |
1fac938e | 2420 | |
2421 | char * | |
9dfe12ae | 2422 | __gnat_to_host_file_spec (char *filespec) |
1fac938e | 2423 | { |
9dfe12ae | 2424 | strncpy (new_host_filespec, "", MAXPATH); |
1fac938e | 2425 | if (strchr (filespec, ']') || strchr (filespec, ':')) |
9dfe12ae | 2426 | { |
2427 | strncpy (new_host_filespec, filespec, MAXPATH); | |
2428 | } | |
1fac938e | 2429 | else |
2430 | { | |
2431 | decc$to_vms (filespec, translate_unix, 1, 1); | |
9dfe12ae | 2432 | strncpy (new_host_filespec, filename_buff, MAXPATH); |
1fac938e | 2433 | } |
2434 | ||
9dfe12ae | 2435 | new_host_filespec [MAXPATH - 1] = (char) 0; |
2436 | ||
1fac938e | 2437 | return new_host_filespec; |
2438 | } | |
2439 | ||
2440 | void | |
2441 | __gnat_adjust_os_resource_limits () | |
2442 | { | |
2443 | SYS$ADJWSL (131072, 0); | |
2444 | } | |
2445 | ||
9dfe12ae | 2446 | #else /* VMS */ |
1fac938e | 2447 | |
f15731c4 | 2448 | /* Dummy functions for Osint import for non-VMS systems. */ |
1fac938e | 2449 | |
2450 | int | |
9dfe12ae | 2451 | __gnat_to_canonical_file_list_init |
2452 | (char *dirspec ATTRIBUTE_UNUSED, int onlydirs ATTRIBUTE_UNUSED) | |
1fac938e | 2453 | { |
2454 | return 0; | |
2455 | } | |
2456 | ||
2457 | char * | |
6f2c2693 | 2458 | __gnat_to_canonical_file_list_next (void) |
1fac938e | 2459 | { |
2460 | return (char *) ""; | |
2461 | } | |
2462 | ||
2463 | void | |
6f2c2693 | 2464 | __gnat_to_canonical_file_list_free (void) |
1fac938e | 2465 | { |
2466 | } | |
2467 | ||
2468 | char * | |
9dfe12ae | 2469 | __gnat_to_canonical_dir_spec (char *dirspec, int prefixflag ATTRIBUTE_UNUSED) |
1fac938e | 2470 | { |
2471 | return dirspec; | |
2472 | } | |
2473 | ||
2474 | char * | |
9dfe12ae | 2475 | __gnat_to_canonical_file_spec (char *filespec) |
1fac938e | 2476 | { |
2477 | return filespec; | |
2478 | } | |
2479 | ||
2480 | char * | |
9dfe12ae | 2481 | __gnat_to_canonical_path_spec (char *pathspec) |
1fac938e | 2482 | { |
2483 | return pathspec; | |
2484 | } | |
2485 | ||
2486 | char * | |
9dfe12ae | 2487 | __gnat_to_host_dir_spec (char *dirspec, int prefixflag ATTRIBUTE_UNUSED) |
1fac938e | 2488 | { |
2489 | return dirspec; | |
2490 | } | |
2491 | ||
2492 | char * | |
9dfe12ae | 2493 | __gnat_to_host_file_spec (char *filespec) |
1fac938e | 2494 | { |
2495 | return filespec; | |
2496 | } | |
2497 | ||
2498 | void | |
6f2c2693 | 2499 | __gnat_adjust_os_resource_limits (void) |
1fac938e | 2500 | { |
2501 | } | |
2502 | ||
2503 | #endif | |
2504 | ||
f15731c4 | 2505 | /* For EMX, we cannot include dummy in libgcc, since it is too difficult |
1fac938e | 2506 | to coordinate this with the EMX distribution. Consequently, we put the |
f15731c4 | 2507 | definition of dummy which is used for exception handling, here. */ |
1fac938e | 2508 | |
2509 | #if defined (__EMX__) | |
2510 | void __dummy () {} | |
2511 | #endif | |
2512 | ||
2513 | #if defined (__mips_vxworks) | |
9dfe12ae | 2514 | int |
2515 | _flush_cache() | |
1fac938e | 2516 | { |
2517 | CACHE_USER_FLUSH (0, ENTIRE_CACHE); | |
2518 | } | |
2519 | #endif | |
2520 | ||
2521 | #if defined (CROSS_COMPILE) \ | |
2522 | || (! (defined (sparc) && defined (sun) && defined (__SVR4)) \ | |
c69ba469 | 2523 | && ! (defined (linux) && (defined (i386) || defined (__x86_64__))) \ |
40a4417a | 2524 | && ! defined (__FreeBSD__) \ |
21a87c1d | 2525 | && ! defined (__hpux__) \ |
ba706ed3 | 2526 | && ! defined (__APPLE__) \ |
9dfe12ae | 2527 | && ! defined (_AIX) \ |
1fac938e | 2528 | && ! (defined (__alpha__) && defined (__osf__)) \ |
80d4fec4 | 2529 | && ! defined (__MINGW32__) \ |
2530 | && ! (defined (__mips) && defined (__sgi))) | |
f15731c4 | 2531 | |
2532 | /* Dummy function to satisfy g-trasym.o. Currently Solaris sparc, HP/UX, | |
c69ba469 | 2533 | GNU/Linux x86{_64}, Tru64 & Windows provide a non-dummy version of this |
9dfe12ae | 2534 | procedure in libaddr2line.a. */ |
1fac938e | 2535 | |
2536 | void | |
9dfe12ae | 2537 | convert_addresses (void *addrs ATTRIBUTE_UNUSED, |
2538 | int n_addr ATTRIBUTE_UNUSED, | |
2539 | void *buf ATTRIBUTE_UNUSED, | |
2540 | int *len ATTRIBUTE_UNUSED) | |
1fac938e | 2541 | { |
2542 | *len = 0; | |
2543 | } | |
2544 | #endif | |
f15731c4 | 2545 | |
2546 | #if defined (_WIN32) | |
2547 | int __gnat_argument_needs_quote = 1; | |
2548 | #else | |
2549 | int __gnat_argument_needs_quote = 0; | |
2550 | #endif | |
9dfe12ae | 2551 | |
2552 | /* This option is used to enable/disable object files handling from the | |
2553 | binder file by the GNAT Project module. For example, this is disabled on | |
e0f42093 | 2554 | Windows (prior to GCC 3.4) as it is already done by the mdll module. |
2555 | Stating with GCC 3.4 the shared libraries are not based on mdll | |
2556 | anymore as it uses the GCC's -shared option */ | |
2557 | #if defined (_WIN32) \ | |
2558 | && ((__GNUC__ < 3) || ((__GNUC__ == 3) && (__GNUC_MINOR__ < 4))) | |
9dfe12ae | 2559 | int __gnat_prj_add_obj_files = 0; |
2560 | #else | |
2561 | int __gnat_prj_add_obj_files = 1; | |
2562 | #endif | |
2563 | ||
2564 | /* char used as prefix/suffix for environment variables */ | |
2565 | #if defined (_WIN32) | |
2566 | char __gnat_environment_char = '%'; | |
2567 | #else | |
2568 | char __gnat_environment_char = '$'; | |
2569 | #endif | |
2570 | ||
2571 | /* This functions copy the file attributes from a source file to a | |
2572 | destination file. | |
2573 | ||
2574 | mode = 0 : In this mode copy only the file time stamps (last access and | |
2575 | last modification time stamps). | |
2576 | ||
2577 | mode = 1 : In this mode, time stamps and read/write/execute attributes are | |
2578 | copied. | |
2579 | ||
2580 | Returns 0 if operation was successful and -1 in case of error. */ | |
2581 | ||
2582 | int | |
2583 | __gnat_copy_attribs (char *from, char *to, int mode) | |
2584 | { | |
2585 | #if defined (VMS) || defined (__vxworks) | |
2586 | return -1; | |
2587 | #else | |
2588 | struct stat fbuf; | |
2589 | struct utimbuf tbuf; | |
2590 | ||
2591 | if (stat (from, &fbuf) == -1) | |
2592 | { | |
2593 | return -1; | |
2594 | } | |
2595 | ||
2596 | tbuf.actime = fbuf.st_atime; | |
2597 | tbuf.modtime = fbuf.st_mtime; | |
2598 | ||
2599 | if (utime (to, &tbuf) == -1) | |
2600 | { | |
2601 | return -1; | |
2602 | } | |
2603 | ||
2604 | if (mode == 1) | |
2605 | { | |
2606 | if (chmod (to, fbuf.st_mode) == -1) | |
2607 | { | |
2608 | return -1; | |
2609 | } | |
2610 | } | |
2611 | ||
2612 | return 0; | |
2613 | #endif | |
2614 | } | |
2615 | ||
2616 | /* This function is installed in libgcc.a. */ | |
2617 | extern void __gnat_install_locks (void (*) (void), void (*) (void)); | |
2618 | ||
2619 | /* This function offers a hook for libgnarl to set the | |
ea61a7ea | 2620 | locking subprograms for libgcc_eh. |
2621 | This is only needed on OpenVMS, since other platforms use standard | |
2622 | --enable-threads=posix option, or similar. */ | |
9dfe12ae | 2623 | |
2624 | void | |
6f2c2693 | 2625 | __gnatlib_install_locks (void (*lock) (void) ATTRIBUTE_UNUSED, |
2626 | void (*unlock) (void) ATTRIBUTE_UNUSED) | |
9dfe12ae | 2627 | { |
ea61a7ea | 2628 | #if defined (IN_RTS) && defined (VMS) |
9dfe12ae | 2629 | __gnat_install_locks (lock, unlock); |
2630 | /* There is a bootstrap path issue if adaint is build with this | |
2631 | symbol unresolved for the stage1 compiler. Since the compiler | |
2632 | does not use tasking, we simply make __gnatlib_install_locks | |
2633 | a no-op in this case. */ | |
2634 | #endif | |
2635 | } | |
cf6d853e | 2636 | |
2637 | int | |
2638 | __gnat_lseek (int fd, long offset, int whence) | |
2639 | { | |
2640 | return (int) lseek (fd, offset, whence); | |
2641 | } | |
0914a918 | 2642 | |
2643 | /* This function returns the version of GCC being used. Here it's GCC 3. */ | |
2644 | int | |
2645 | get_gcc_version (void) | |
2646 | { | |
2647 | return 3; | |
2648 | } | |
6d9c3443 | 2649 | |
2650 | int | |
de10c095 | 2651 | __gnat_set_close_on_exec (int fd ATTRIBUTE_UNUSED, |
2652 | int close_on_exec_p ATTRIBUTE_UNUSED) | |
6d9c3443 | 2653 | { |
2654 | #if defined (F_GETFD) && defined (FD_CLOEXEC) && ! defined (__vxworks) | |
2655 | int flags = fcntl (fd, F_GETFD, 0); | |
2656 | if (flags < 0) | |
2657 | return flags; | |
2658 | if (close_on_exec_p) | |
2659 | flags |= FD_CLOEXEC; | |
2660 | else | |
2661 | flags &= ~FD_CLOEXEC; | |
2662 | return fcntl (fd, F_SETFD, flags | FD_CLOEXEC); | |
2663 | #else | |
2664 | return -1; | |
2665 | /* For the Windows case, we should use SetHandleInformation to remove | |
2666 | the HANDLE_INHERIT property from fd. This is not implemented yet, | |
2667 | but for our purposes (support of GNAT.Expect) this does not matter, | |
2668 | as by default handles are *not* inherited. */ | |
2669 | #endif | |
2670 | } |