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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 |
8ffbc401 | 92 | #elif defined (__vxworks) && defined (__RTP__) |
93 | #include <wait.h> | |
9dfe12ae | 94 | #else |
95 | #include <sys/wait.h> | |
96 | #endif | |
1fac938e | 97 | |
d8dd2062 | 98 | #if defined (__EMX__) || defined (MSDOS) || defined (_WIN32) |
99 | #elif defined (VMS) | |
71a3e619 | 100 | |
f15731c4 | 101 | /* Header files and definitions for __gnat_set_file_time_name. */ |
71a3e619 | 102 | |
ba706ed3 | 103 | #include <vms/rms.h> |
104 | #include <vms/atrdef.h> | |
105 | #include <vms/fibdef.h> | |
106 | #include <vms/stsdef.h> | |
107 | #include <vms/iodef.h> | |
d8dd2062 | 108 | #include <errno.h> |
ba706ed3 | 109 | #include <vms/descrip.h> |
d8dd2062 | 110 | #include <string.h> |
111 | #include <unixlib.h> | |
112 | ||
f15731c4 | 113 | /* Use native 64-bit arithmetic. */ |
d8dd2062 | 114 | #define unix_time_to_vms(X,Y) \ |
115 | { unsigned long long reftime, tmptime = (X); \ | |
116 | $DESCRIPTOR (unixtime,"1-JAN-1970 0:00:00.00"); \ | |
117 | SYS$BINTIM (&unixtime, &reftime); \ | |
118 | Y = tmptime * 10000000 + reftime; } | |
119 | ||
120 | /* descrip.h doesn't have everything ... */ | |
121 | struct dsc$descriptor_fib | |
122 | { | |
123 | unsigned long fib$l_len; | |
124 | struct fibdef *fib$l_addr; | |
125 | }; | |
126 | ||
71a3e619 | 127 | /* I/O Status Block. */ |
d8dd2062 | 128 | struct IOSB |
9dfe12ae | 129 | { |
d8dd2062 | 130 | unsigned short status, count; |
131 | unsigned long devdep; | |
132 | }; | |
133 | ||
134 | static char *tryfile; | |
135 | ||
71a3e619 | 136 | /* Variable length string. */ |
d8dd2062 | 137 | struct vstring |
138 | { | |
139 | short length; | |
f15731c4 | 140 | char string[NAM$C_MAXRSS+1]; |
d8dd2062 | 141 | }; |
142 | ||
d8dd2062 | 143 | #else |
144 | #include <utime.h> | |
145 | #endif | |
146 | ||
1fac938e | 147 | #if defined (__EMX__) || defined (MSDOS) || defined (_WIN32) |
148 | #include <process.h> | |
149 | #endif | |
150 | ||
151 | #if defined (_WIN32) | |
152 | #include <dir.h> | |
153 | #include <windows.h> | |
fef772a5 | 154 | #undef DIR_SEPARATOR |
155 | #define DIR_SEPARATOR '\\' | |
1fac938e | 156 | #endif |
157 | ||
158 | #include "adaint.h" | |
159 | ||
160 | /* Define symbols O_BINARY and O_TEXT as harmless zeroes if they are not | |
161 | defined in the current system. On DOS-like systems these flags control | |
162 | whether the file is opened/created in text-translation mode (CR/LF in | |
163 | external file mapped to LF in internal file), but in Unix-like systems, | |
164 | no text translation is required, so these flags have no effect. */ | |
165 | ||
166 | #if defined (__EMX__) | |
167 | #include <os2.h> | |
168 | #endif | |
169 | ||
170 | #if defined (MSDOS) | |
171 | #include <dos.h> | |
172 | #endif | |
173 | ||
174 | #ifndef O_BINARY | |
175 | #define O_BINARY 0 | |
176 | #endif | |
177 | ||
178 | #ifndef O_TEXT | |
179 | #define O_TEXT 0 | |
180 | #endif | |
181 | ||
182 | #ifndef HOST_EXECUTABLE_SUFFIX | |
183 | #define HOST_EXECUTABLE_SUFFIX "" | |
184 | #endif | |
185 | ||
186 | #ifndef HOST_OBJECT_SUFFIX | |
187 | #define HOST_OBJECT_SUFFIX ".o" | |
188 | #endif | |
189 | ||
190 | #ifndef PATH_SEPARATOR | |
191 | #define PATH_SEPARATOR ':' | |
192 | #endif | |
193 | ||
194 | #ifndef DIR_SEPARATOR | |
195 | #define DIR_SEPARATOR '/' | |
196 | #endif | |
197 | ||
a3b0f4f2 | 198 | /* Check for cross-compilation */ |
199 | #ifdef CROSS_COMPILE | |
200 | int __gnat_is_cross_compiler = 1; | |
201 | #else | |
202 | int __gnat_is_cross_compiler = 0; | |
203 | #endif | |
204 | ||
1fac938e | 205 | char __gnat_dir_separator = DIR_SEPARATOR; |
206 | ||
207 | char __gnat_path_separator = PATH_SEPARATOR; | |
208 | ||
209 | /* The GNAT_LIBRARY_TEMPLATE contains a list of expressions that define | |
210 | the base filenames that libraries specified with -lsomelib options | |
211 | may have. This is used by GNATMAKE to check whether an executable | |
212 | is up-to-date or not. The syntax is | |
213 | ||
214 | library_template ::= { pattern ; } pattern NUL | |
215 | pattern ::= [ prefix ] * [ postfix ] | |
216 | ||
217 | These should only specify names of static libraries as it makes | |
218 | no sense to determine at link time if dynamic-link libraries are | |
219 | up to date or not. Any libraries that are not found are supposed | |
220 | to be up-to-date: | |
221 | ||
222 | * if they are needed but not present, the link | |
223 | will fail, | |
224 | ||
225 | * otherwise they are libraries in the system paths and so | |
226 | they are considered part of the system and not checked | |
227 | for that reason. | |
228 | ||
229 | ??? This should be part of a GNAT host-specific compiler | |
230 | file instead of being included in all user applications | |
f15731c4 | 231 | as well. This is only a temporary work-around for 3.11b. */ |
1fac938e | 232 | |
233 | #ifndef GNAT_LIBRARY_TEMPLATE | |
f15731c4 | 234 | #if defined (__EMX__) |
1fac938e | 235 | #define GNAT_LIBRARY_TEMPLATE "*.a" |
f15731c4 | 236 | #elif defined (VMS) |
1fac938e | 237 | #define GNAT_LIBRARY_TEMPLATE "*.olb" |
238 | #else | |
239 | #define GNAT_LIBRARY_TEMPLATE "lib*.a" | |
240 | #endif | |
241 | #endif | |
242 | ||
243 | const char *__gnat_library_template = GNAT_LIBRARY_TEMPLATE; | |
244 | ||
f15731c4 | 245 | /* This variable is used in hostparm.ads to say whether the host is a VMS |
246 | system. */ | |
247 | #ifdef VMS | |
248 | const int __gnat_vmsp = 1; | |
249 | #else | |
250 | const int __gnat_vmsp = 0; | |
251 | #endif | |
252 | ||
e633acdc | 253 | #ifdef __EMX__ |
9dfe12ae | 254 | #define GNAT_MAX_PATH_LEN MAX_PATH |
e633acdc | 255 | |
256 | #elif defined (VMS) | |
9dfe12ae | 257 | #define GNAT_MAX_PATH_LEN 256 /* PATH_MAX */ |
e633acdc | 258 | |
259 | #elif defined (__vxworks) || defined (__OPENNT) | |
9dfe12ae | 260 | #define GNAT_MAX_PATH_LEN PATH_MAX |
261 | ||
262 | #else | |
263 | ||
264 | #if defined (__MINGW32__) | |
265 | #include "mingw32.h" | |
266 | ||
267 | #if OLD_MINGW | |
268 | #include <sys/param.h> | |
269 | #endif | |
e633acdc | 270 | |
271 | #else | |
272 | #include <sys/param.h> | |
9dfe12ae | 273 | #endif |
274 | ||
8ae72cac | 275 | #ifdef MAXPATHLEN |
9dfe12ae | 276 | #define GNAT_MAX_PATH_LEN MAXPATHLEN |
8ae72cac | 277 | #else |
278 | #define GNAT_MAX_PATH_LEN 256 | |
279 | #endif | |
e633acdc | 280 | |
281 | #endif | |
282 | ||
9dfe12ae | 283 | /* The __gnat_max_path_len variable is used to export the maximum |
284 | length of a path name to Ada code. max_path_len is also provided | |
285 | for compatibility with older GNAT versions, please do not use | |
286 | it. */ | |
287 | ||
288 | int __gnat_max_path_len = GNAT_MAX_PATH_LEN; | |
289 | int max_path_len = GNAT_MAX_PATH_LEN; | |
290 | ||
1fac938e | 291 | /* The following macro HAVE_READDIR_R should be defined if the |
f15731c4 | 292 | system provides the routine readdir_r. */ |
1fac938e | 293 | #undef HAVE_READDIR_R |
294 | \f | |
6d9c3443 | 295 | #if defined(VMS) && defined (__LONG_POINTERS) |
296 | ||
297 | /* Return a 32 bit pointer to an array of 32 bit pointers | |
298 | given a 64 bit pointer to an array of 64 bit pointers */ | |
299 | ||
300 | typedef __char_ptr32 *__char_ptr_char_ptr32 __attribute__ ((mode (SI))); | |
301 | ||
302 | static __char_ptr_char_ptr32 | |
303 | to_ptr32 (char **ptr64) | |
304 | { | |
305 | int argc; | |
306 | __char_ptr_char_ptr32 short_argv; | |
307 | ||
308 | for (argc=0; ptr64[argc]; argc++); | |
309 | ||
310 | /* Reallocate argv with 32 bit pointers. */ | |
311 | short_argv = (__char_ptr_char_ptr32) decc$malloc | |
312 | (sizeof (__char_ptr32) * (argc + 1)); | |
313 | ||
314 | for (argc=0; ptr64[argc]; argc++) | |
315 | short_argv[argc] = (__char_ptr32) decc$strdup (ptr64[argc]); | |
316 | ||
317 | short_argv[argc] = (__char_ptr32) 0; | |
318 | return short_argv; | |
319 | ||
320 | } | |
321 | #define MAYBE_TO_PTR32(argv) to_ptr32 (argv) | |
322 | #else | |
323 | #define MAYBE_TO_PTR32(argv) argv | |
324 | #endif | |
325 | ||
1fac938e | 326 | void |
9dfe12ae | 327 | __gnat_to_gm_time |
328 | (OS_Time *p_time, | |
329 | int *p_year, | |
330 | int *p_month, | |
331 | int *p_day, | |
332 | int *p_hours, | |
333 | int *p_mins, | |
334 | int *p_secs) | |
1fac938e | 335 | { |
336 | struct tm *res; | |
9dfe12ae | 337 | time_t time = (time_t) *p_time; |
1fac938e | 338 | |
339 | #ifdef _WIN32 | |
340 | /* On Windows systems, the time is sometimes rounded up to the nearest | |
341 | even second, so if the number of seconds is odd, increment it. */ | |
342 | if (time & 1) | |
343 | time++; | |
344 | #endif | |
345 | ||
9dfe12ae | 346 | #ifdef VMS |
347 | res = localtime (&time); | |
348 | #else | |
1fac938e | 349 | res = gmtime (&time); |
9dfe12ae | 350 | #endif |
1fac938e | 351 | |
352 | if (res) | |
353 | { | |
354 | *p_year = res->tm_year; | |
355 | *p_month = res->tm_mon; | |
356 | *p_day = res->tm_mday; | |
357 | *p_hours = res->tm_hour; | |
358 | *p_mins = res->tm_min; | |
359 | *p_secs = res->tm_sec; | |
f15731c4 | 360 | } |
1fac938e | 361 | else |
362 | *p_year = *p_month = *p_day = *p_hours = *p_mins = *p_secs = 0; | |
363 | } | |
364 | ||
365 | /* Place the contents of the symbolic link named PATH in the buffer BUF, | |
366 | which has size BUFSIZ. If PATH is a symbolic link, then return the number | |
367 | of characters of its content in BUF. Otherwise, return -1. For Windows, | |
368 | OS/2 and vxworks, always return -1. */ | |
369 | ||
9dfe12ae | 370 | int |
f0a28ccb | 371 | __gnat_readlink (char *path ATTRIBUTE_UNUSED, |
372 | char *buf ATTRIBUTE_UNUSED, | |
373 | size_t bufsiz ATTRIBUTE_UNUSED) | |
1fac938e | 374 | { |
375 | #if defined (MSDOS) || defined (_WIN32) || defined (__EMX__) | |
376 | return -1; | |
377 | #elif defined (__INTERIX) || defined (VMS) | |
378 | return -1; | |
379 | #elif defined (__vxworks) | |
380 | return -1; | |
381 | #else | |
382 | return readlink (path, buf, bufsiz); | |
383 | #endif | |
384 | } | |
385 | ||
f15731c4 | 386 | /* Creates a symbolic link named NEWPATH which contains the string OLDPATH. If |
387 | NEWPATH exists it will NOT be overwritten. For Windows, OS/2, VxWorks, | |
388 | Interix and VMS, always return -1. */ | |
1fac938e | 389 | |
390 | int | |
f0a28ccb | 391 | __gnat_symlink (char *oldpath ATTRIBUTE_UNUSED, |
392 | char *newpath ATTRIBUTE_UNUSED) | |
1fac938e | 393 | { |
394 | #if defined (MSDOS) || defined (_WIN32) || defined (__EMX__) | |
395 | return -1; | |
396 | #elif defined (__INTERIX) || defined (VMS) | |
397 | return -1; | |
398 | #elif defined (__vxworks) | |
399 | return -1; | |
400 | #else | |
401 | return symlink (oldpath, newpath); | |
402 | #endif | |
403 | } | |
404 | ||
f15731c4 | 405 | /* Try to lock a file, return 1 if success. */ |
1fac938e | 406 | |
407 | #if defined (__vxworks) || defined (MSDOS) || defined (_WIN32) | |
408 | ||
409 | /* Version that does not use link. */ | |
410 | ||
411 | int | |
9dfe12ae | 412 | __gnat_try_lock (char *dir, char *file) |
1fac938e | 413 | { |
f15731c4 | 414 | char full_path[256]; |
1fac938e | 415 | int fd; |
416 | ||
417 | sprintf (full_path, "%s%c%s", dir, DIR_SEPARATOR, file); | |
418 | fd = open (full_path, O_CREAT | O_EXCL, 0600); | |
f15731c4 | 419 | if (fd < 0) |
1fac938e | 420 | return 0; |
f15731c4 | 421 | |
1fac938e | 422 | close (fd); |
423 | return 1; | |
424 | } | |
425 | ||
426 | #elif defined (__EMX__) || defined (VMS) | |
427 | ||
428 | /* More cases that do not use link; identical code, to solve too long | |
429 | line problem ??? */ | |
430 | ||
431 | int | |
9dfe12ae | 432 | __gnat_try_lock (char *dir, char *file) |
1fac938e | 433 | { |
f15731c4 | 434 | char full_path[256]; |
1fac938e | 435 | int fd; |
436 | ||
437 | sprintf (full_path, "%s%c%s", dir, DIR_SEPARATOR, file); | |
438 | fd = open (full_path, O_CREAT | O_EXCL, 0600); | |
439 | if (fd < 0) | |
440 | return 0; | |
441 | ||
442 | close (fd); | |
443 | return 1; | |
444 | } | |
445 | ||
446 | #else | |
f15731c4 | 447 | |
1fac938e | 448 | /* Version using link(), more secure over NFS. */ |
9dfe12ae | 449 | /* See TN 6913-016 for discussion ??? */ |
1fac938e | 450 | |
451 | int | |
9dfe12ae | 452 | __gnat_try_lock (char *dir, char *file) |
1fac938e | 453 | { |
f15731c4 | 454 | char full_path[256]; |
455 | char temp_file[256]; | |
1fac938e | 456 | struct stat stat_result; |
457 | int fd; | |
458 | ||
459 | sprintf (full_path, "%s%c%s", dir, DIR_SEPARATOR, file); | |
4a3f445c | 460 | sprintf (temp_file, "%s%cTMP-%ld-%ld", |
461 | dir, DIR_SEPARATOR, (long)getpid(), (long)getppid ()); | |
1fac938e | 462 | |
f15731c4 | 463 | /* Create the temporary file and write the process number. */ |
1fac938e | 464 | fd = open (temp_file, O_CREAT | O_WRONLY, 0600); |
465 | if (fd < 0) | |
466 | return 0; | |
467 | ||
468 | close (fd); | |
469 | ||
f15731c4 | 470 | /* Link it with the new file. */ |
1fac938e | 471 | link (temp_file, full_path); |
472 | ||
473 | /* Count the references on the old one. If we have a count of two, then | |
f15731c4 | 474 | the link did succeed. Remove the temporary file before returning. */ |
1fac938e | 475 | __gnat_stat (temp_file, &stat_result); |
476 | unlink (temp_file); | |
477 | return stat_result.st_nlink == 2; | |
478 | } | |
479 | #endif | |
480 | ||
481 | /* Return the maximum file name length. */ | |
482 | ||
483 | int | |
6f2c2693 | 484 | __gnat_get_maximum_file_name_length (void) |
1fac938e | 485 | { |
f15731c4 | 486 | #if defined (MSDOS) |
1fac938e | 487 | return 8; |
488 | #elif defined (VMS) | |
489 | if (getenv ("GNAT$EXTENDED_FILE_SPECIFICATIONS")) | |
490 | return -1; | |
491 | else | |
492 | return 39; | |
493 | #else | |
494 | return -1; | |
495 | #endif | |
496 | } | |
497 | ||
1fac938e | 498 | /* Return nonzero if file names are case sensitive. */ |
499 | ||
500 | int | |
6f2c2693 | 501 | __gnat_get_file_names_case_sensitive (void) |
1fac938e | 502 | { |
f15731c4 | 503 | #if defined (__EMX__) || defined (MSDOS) || defined (VMS) || defined (WINNT) |
1fac938e | 504 | return 0; |
505 | #else | |
506 | return 1; | |
507 | #endif | |
508 | } | |
509 | ||
510 | char | |
6f2c2693 | 511 | __gnat_get_default_identifier_character_set (void) |
1fac938e | 512 | { |
513 | #if defined (__EMX__) || defined (MSDOS) | |
514 | return 'p'; | |
515 | #else | |
516 | return '1'; | |
517 | #endif | |
518 | } | |
519 | ||
f15731c4 | 520 | /* Return the current working directory. */ |
1fac938e | 521 | |
522 | void | |
9dfe12ae | 523 | __gnat_get_current_dir (char *dir, int *length) |
1fac938e | 524 | { |
525 | #ifdef VMS | |
526 | /* Force Unix style, which is what GNAT uses internally. */ | |
527 | getcwd (dir, *length, 0); | |
528 | #else | |
529 | getcwd (dir, *length); | |
530 | #endif | |
531 | ||
532 | *length = strlen (dir); | |
533 | ||
9dfe12ae | 534 | if (dir [*length - 1] != DIR_SEPARATOR) |
535 | { | |
536 | dir [*length] = DIR_SEPARATOR; | |
537 | ++(*length); | |
538 | } | |
f15731c4 | 539 | dir[*length] = '\0'; |
1fac938e | 540 | } |
541 | ||
f15731c4 | 542 | /* Return the suffix for object files. */ |
1fac938e | 543 | |
544 | void | |
9dfe12ae | 545 | __gnat_get_object_suffix_ptr (int *len, const char **value) |
1fac938e | 546 | { |
547 | *value = HOST_OBJECT_SUFFIX; | |
548 | ||
549 | if (*value == 0) | |
550 | *len = 0; | |
551 | else | |
552 | *len = strlen (*value); | |
553 | ||
554 | return; | |
555 | } | |
556 | ||
f15731c4 | 557 | /* Return the suffix for executable files. */ |
1fac938e | 558 | |
559 | void | |
9dfe12ae | 560 | __gnat_get_executable_suffix_ptr (int *len, const char **value) |
1fac938e | 561 | { |
562 | *value = HOST_EXECUTABLE_SUFFIX; | |
563 | if (!*value) | |
564 | *len = 0; | |
565 | else | |
566 | *len = strlen (*value); | |
567 | ||
568 | return; | |
569 | } | |
570 | ||
571 | /* Return the suffix for debuggable files. Usually this is the same as the | |
f15731c4 | 572 | executable extension. */ |
1fac938e | 573 | |
574 | void | |
9dfe12ae | 575 | __gnat_get_debuggable_suffix_ptr (int *len, const char **value) |
1fac938e | 576 | { |
577 | #ifndef MSDOS | |
578 | *value = HOST_EXECUTABLE_SUFFIX; | |
579 | #else | |
f15731c4 | 580 | /* On DOS, the extensionless COFF file is what gdb likes. */ |
1fac938e | 581 | *value = ""; |
582 | #endif | |
583 | ||
584 | if (*value == 0) | |
585 | *len = 0; | |
586 | else | |
587 | *len = strlen (*value); | |
588 | ||
589 | return; | |
590 | } | |
591 | ||
592 | int | |
9dfe12ae | 593 | __gnat_open_read (char *path, int fmode) |
1fac938e | 594 | { |
595 | int fd; | |
596 | int o_fmode = O_BINARY; | |
597 | ||
598 | if (fmode) | |
599 | o_fmode = O_TEXT; | |
600 | ||
f15731c4 | 601 | #if defined (VMS) |
602 | /* Optional arguments mbc,deq,fop increase read performance. */ | |
1fac938e | 603 | fd = open (path, O_RDONLY | o_fmode, 0444, |
604 | "mbc=16", "deq=64", "fop=tef"); | |
f15731c4 | 605 | #elif defined (__vxworks) |
1fac938e | 606 | fd = open (path, O_RDONLY | o_fmode, 0444); |
607 | #else | |
608 | fd = open (path, O_RDONLY | o_fmode); | |
609 | #endif | |
f15731c4 | 610 | |
1fac938e | 611 | return fd < 0 ? -1 : fd; |
612 | } | |
613 | ||
9dfe12ae | 614 | #if defined (__EMX__) || defined (__MINGW32__) |
1fac938e | 615 | #define PERM (S_IREAD | S_IWRITE) |
9dfe12ae | 616 | #elif defined (VMS) |
617 | /* Excerpt from DECC C RTL Reference Manual: | |
618 | To create files with OpenVMS RMS default protections using the UNIX | |
619 | system-call functions umask, mkdir, creat, and open, call mkdir, creat, | |
620 | and open with a file-protection mode argument of 0777 in a program | |
621 | that never specifically calls umask. These default protections include | |
622 | correctly establishing protections based on ACLs, previous versions of | |
623 | files, and so on. */ | |
624 | #define PERM 0777 | |
1fac938e | 625 | #else |
626 | #define PERM (S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH | S_IWOTH) | |
627 | #endif | |
628 | ||
629 | int | |
9dfe12ae | 630 | __gnat_open_rw (char *path, int fmode) |
1fac938e | 631 | { |
632 | int fd; | |
633 | int o_fmode = O_BINARY; | |
634 | ||
635 | if (fmode) | |
636 | o_fmode = O_TEXT; | |
637 | ||
f15731c4 | 638 | #if defined (VMS) |
1fac938e | 639 | fd = open (path, O_RDWR | o_fmode, PERM, |
640 | "mbc=16", "deq=64", "fop=tef"); | |
641 | #else | |
642 | fd = open (path, O_RDWR | o_fmode, PERM); | |
643 | #endif | |
644 | ||
645 | return fd < 0 ? -1 : fd; | |
646 | } | |
647 | ||
648 | int | |
9dfe12ae | 649 | __gnat_open_create (char *path, int fmode) |
1fac938e | 650 | { |
651 | int fd; | |
652 | int o_fmode = O_BINARY; | |
653 | ||
654 | if (fmode) | |
655 | o_fmode = O_TEXT; | |
656 | ||
f15731c4 | 657 | #if defined (VMS) |
1fac938e | 658 | fd = open (path, O_WRONLY | O_CREAT | O_TRUNC | o_fmode, PERM, |
659 | "mbc=16", "deq=64", "fop=tef"); | |
660 | #else | |
661 | fd = open (path, O_WRONLY | O_CREAT | O_TRUNC | o_fmode, PERM); | |
662 | #endif | |
663 | ||
664 | return fd < 0 ? -1 : fd; | |
28ed91d4 | 665 | } |
666 | ||
667 | int | |
668 | __gnat_create_output_file (char *path) | |
669 | { | |
670 | int fd; | |
671 | #if defined (VMS) | |
672 | fd = open (path, O_WRONLY | O_CREAT | O_TRUNC | O_TEXT, PERM, | |
673 | "rfm=stmlf", "ctx=rec", "rat=none", "rop=nlk", | |
674 | "shr=del,get,put,upd"); | |
675 | #else | |
676 | fd = open (path, O_WRONLY | O_CREAT | O_TRUNC | O_TEXT, PERM); | |
677 | #endif | |
678 | ||
679 | return fd < 0 ? -1 : fd; | |
1fac938e | 680 | } |
681 | ||
682 | int | |
9dfe12ae | 683 | __gnat_open_append (char *path, int fmode) |
1fac938e | 684 | { |
685 | int fd; | |
686 | int o_fmode = O_BINARY; | |
687 | ||
688 | if (fmode) | |
689 | o_fmode = O_TEXT; | |
690 | ||
f15731c4 | 691 | #if defined (VMS) |
1fac938e | 692 | fd = open (path, O_WRONLY | O_CREAT | O_APPEND | o_fmode, PERM, |
693 | "mbc=16", "deq=64", "fop=tef"); | |
694 | #else | |
695 | fd = open (path, O_WRONLY | O_CREAT | O_APPEND | o_fmode, PERM); | |
696 | #endif | |
697 | ||
698 | return fd < 0 ? -1 : fd; | |
699 | } | |
700 | ||
f15731c4 | 701 | /* Open a new file. Return error (-1) if the file already exists. */ |
1fac938e | 702 | |
703 | int | |
9dfe12ae | 704 | __gnat_open_new (char *path, int fmode) |
1fac938e | 705 | { |
706 | int fd; | |
707 | int o_fmode = O_BINARY; | |
708 | ||
709 | if (fmode) | |
710 | o_fmode = O_TEXT; | |
711 | ||
f15731c4 | 712 | #if defined (VMS) |
1fac938e | 713 | fd = open (path, O_WRONLY | O_CREAT | O_EXCL | o_fmode, PERM, |
714 | "mbc=16", "deq=64", "fop=tef"); | |
715 | #else | |
716 | fd = open (path, O_WRONLY | O_CREAT | O_EXCL | o_fmode, PERM); | |
717 | #endif | |
718 | ||
719 | return fd < 0 ? -1 : fd; | |
720 | } | |
721 | ||
722 | /* Open a new temp file. Return error (-1) if the file already exists. | |
f15731c4 | 723 | Special options for VMS allow the file to be shared between parent and child |
724 | processes, however they really slow down output. Used in gnatchop. */ | |
1fac938e | 725 | |
726 | int | |
9dfe12ae | 727 | __gnat_open_new_temp (char *path, int fmode) |
1fac938e | 728 | { |
729 | int fd; | |
730 | int o_fmode = O_BINARY; | |
731 | ||
732 | strcpy (path, "GNAT-XXXXXX"); | |
733 | ||
be4b2f73 | 734 | #if (defined (__FreeBSD__) || defined (linux)) && !defined (__vxworks) |
1fac938e | 735 | return mkstemp (path); |
159eb63c | 736 | #elif defined (__Lynx__) |
737 | mktemp (path); | |
1fac938e | 738 | #else |
739 | if (mktemp (path) == NULL) | |
740 | return -1; | |
741 | #endif | |
742 | ||
743 | if (fmode) | |
744 | o_fmode = O_TEXT; | |
745 | ||
f15731c4 | 746 | #if defined (VMS) |
1fac938e | 747 | fd = open (path, O_WRONLY | O_CREAT | O_EXCL | o_fmode, PERM, |
748 | "rfm=stmlf", "ctx=rec", "rat=none", "shr=del,get,put,upd", | |
749 | "mbc=16", "deq=64", "fop=tef"); | |
750 | #else | |
751 | fd = open (path, O_WRONLY | O_CREAT | O_EXCL | o_fmode, PERM); | |
752 | #endif | |
753 | ||
754 | return fd < 0 ? -1 : fd; | |
755 | } | |
756 | ||
f15731c4 | 757 | /* Return the number of bytes in the specified file. */ |
1fac938e | 758 | |
759 | long | |
9dfe12ae | 760 | __gnat_file_length (int fd) |
1fac938e | 761 | { |
762 | int ret; | |
763 | struct stat statbuf; | |
764 | ||
765 | ret = fstat (fd, &statbuf); | |
766 | if (ret || !S_ISREG (statbuf.st_mode)) | |
767 | return 0; | |
768 | ||
769 | return (statbuf.st_size); | |
770 | } | |
771 | ||
d24d7e81 | 772 | /* Return the number of bytes in the specified named file. */ |
773 | ||
774 | long | |
775 | __gnat_named_file_length (char *name) | |
776 | { | |
777 | int ret; | |
778 | struct stat statbuf; | |
779 | ||
780 | ret = __gnat_stat (name, &statbuf); | |
781 | if (ret || !S_ISREG (statbuf.st_mode)) | |
782 | return 0; | |
783 | ||
784 | return (statbuf.st_size); | |
785 | } | |
786 | ||
1fac938e | 787 | /* Create a temporary filename and put it in string pointed to by |
f15731c4 | 788 | TMP_FILENAME. */ |
1fac938e | 789 | |
790 | void | |
9dfe12ae | 791 | __gnat_tmp_name (char *tmp_filename) |
1fac938e | 792 | { |
793 | #ifdef __MINGW32__ | |
794 | { | |
795 | char *pname; | |
796 | ||
797 | /* tempnam tries to create a temporary file in directory pointed to by | |
798 | TMP environment variable, in c:\temp if TMP is not set, and in | |
799 | directory specified by P_tmpdir in stdio.h if c:\temp does not | |
800 | exist. The filename will be created with the prefix "gnat-". */ | |
801 | ||
802 | pname = (char *) tempnam ("c:\\temp", "gnat-"); | |
803 | ||
9dfe12ae | 804 | /* if pname is NULL, the file was not created properly, the disk is full |
805 | or there is no more free temporary files */ | |
806 | ||
807 | if (pname == NULL) | |
808 | *tmp_filename = '\0'; | |
809 | ||
f15731c4 | 810 | /* If pname start with a back slash and not path information it means that |
811 | the filename is valid for the current working directory. */ | |
1fac938e | 812 | |
9dfe12ae | 813 | else if (pname[0] == '\\') |
1fac938e | 814 | { |
815 | strcpy (tmp_filename, ".\\"); | |
816 | strcat (tmp_filename, pname+1); | |
817 | } | |
818 | else | |
819 | strcpy (tmp_filename, pname); | |
820 | ||
821 | free (pname); | |
822 | } | |
f15731c4 | 823 | |
be4b2f73 | 824 | #elif defined (linux) || defined (__FreeBSD__) |
9dfe12ae | 825 | #define MAX_SAFE_PATH 1000 |
1fac938e | 826 | char *tmpdir = getenv ("TMPDIR"); |
827 | ||
9dfe12ae | 828 | /* If tmpdir is longer than MAX_SAFE_PATH, revert to default value to avoid |
829 | a buffer overflow. */ | |
830 | if (tmpdir == NULL || strlen (tmpdir) > MAX_SAFE_PATH) | |
1fac938e | 831 | strcpy (tmp_filename, "/tmp/gnat-XXXXXX"); |
832 | else | |
9dfe12ae | 833 | sprintf (tmp_filename, "%s/gnat-XXXXXX", tmpdir); |
1fac938e | 834 | |
835 | close (mkstemp(tmp_filename)); | |
836 | #else | |
837 | tmpnam (tmp_filename); | |
838 | #endif | |
839 | } | |
840 | ||
841 | /* Read the next entry in a directory. The returned string points somewhere | |
842 | in the buffer. */ | |
843 | ||
844 | char * | |
9dfe12ae | 845 | __gnat_readdir (DIR *dirp, char *buffer) |
1fac938e | 846 | { |
847 | /* If possible, try to use the thread-safe version. */ | |
848 | #ifdef HAVE_READDIR_R | |
849 | if (readdir_r (dirp, buffer) != NULL) | |
850 | return ((struct dirent*) buffer)->d_name; | |
851 | else | |
852 | return NULL; | |
853 | ||
854 | #else | |
5b941af6 | 855 | struct dirent *dirent = (struct dirent *) readdir (dirp); |
1fac938e | 856 | |
857 | if (dirent != NULL) | |
858 | { | |
859 | strcpy (buffer, dirent->d_name); | |
860 | return buffer; | |
861 | } | |
862 | else | |
863 | return NULL; | |
864 | ||
865 | #endif | |
866 | } | |
867 | ||
868 | /* Returns 1 if readdir is thread safe, 0 otherwise. */ | |
869 | ||
870 | int | |
6f2c2693 | 871 | __gnat_readdir_is_thread_safe (void) |
1fac938e | 872 | { |
873 | #ifdef HAVE_READDIR_R | |
874 | return 1; | |
875 | #else | |
876 | return 0; | |
877 | #endif | |
878 | } | |
879 | ||
880 | #ifdef _WIN32 | |
982e2721 | 881 | /* Number of seconds between <Jan 1st 1601> and <Jan 1st 1970>. */ |
882 | static const unsigned long long w32_epoch_offset = 11644473600ULL; | |
1fac938e | 883 | |
884 | /* Returns the file modification timestamp using Win32 routines which are | |
885 | immune against daylight saving time change. It is in fact not possible to | |
886 | use fstat for this purpose as the DST modify the st_mtime field of the | |
887 | stat structure. */ | |
888 | ||
889 | static time_t | |
9dfe12ae | 890 | win32_filetime (HANDLE h) |
1fac938e | 891 | { |
982e2721 | 892 | union |
893 | { | |
894 | FILETIME ft_time; | |
895 | unsigned long long ull_time; | |
896 | } t_write; | |
1fac938e | 897 | |
898 | /* GetFileTime returns FILETIME data which are the number of 100 nanosecs | |
899 | since <Jan 1st 1601>. This function must return the number of seconds | |
900 | since <Jan 1st 1970>. */ | |
901 | ||
982e2721 | 902 | if (GetFileTime (h, NULL, NULL, &t_write.ft_time)) |
903 | return (time_t) (t_write.ull_time / 10000000ULL | |
904 | - w32_epoch_offset); | |
905 | return (time_t) 0; | |
1fac938e | 906 | } |
907 | #endif | |
908 | ||
909 | /* Return a GNAT time stamp given a file name. */ | |
910 | ||
1bbc9831 | 911 | OS_Time |
9dfe12ae | 912 | __gnat_file_time_name (char *name) |
1fac938e | 913 | { |
1fac938e | 914 | |
915 | #if defined (__EMX__) || defined (MSDOS) | |
916 | int fd = open (name, O_RDONLY | O_BINARY); | |
917 | time_t ret = __gnat_file_time_fd (fd); | |
918 | close (fd); | |
1bbc9831 | 919 | return (OS_Time)ret; |
1fac938e | 920 | |
921 | #elif defined (_WIN32) | |
982e2721 | 922 | time_t ret = 0; |
1fac938e | 923 | HANDLE h = CreateFile (name, GENERIC_READ, FILE_SHARE_READ, 0, |
924 | OPEN_EXISTING, FILE_FLAG_BACKUP_SEMANTICS, 0); | |
fabb7dc5 | 925 | |
982e2721 | 926 | if (h != INVALID_HANDLE_VALUE) |
927 | { | |
928 | ret = win32_filetime (h); | |
929 | CloseHandle (h); | |
930 | } | |
1bbc9831 | 931 | return (OS_Time) ret; |
1fac938e | 932 | #else |
f0a28ccb | 933 | struct stat statbuf; |
1bbc9831 | 934 | if (__gnat_stat (name, &statbuf) != 0) { |
935 | return (OS_Time)-1; | |
936 | } else { | |
1fac938e | 937 | #ifdef VMS |
1bbc9831 | 938 | /* VMS has file versioning. */ |
939 | return (OS_Time)statbuf.st_ctime; | |
1fac938e | 940 | #else |
1bbc9831 | 941 | return (OS_Time)statbuf.st_mtime; |
1fac938e | 942 | #endif |
1bbc9831 | 943 | } |
1fac938e | 944 | #endif |
945 | } | |
946 | ||
947 | /* Return a GNAT time stamp given a file descriptor. */ | |
948 | ||
1bbc9831 | 949 | OS_Time |
9dfe12ae | 950 | __gnat_file_time_fd (int fd) |
1fac938e | 951 | { |
952 | /* The following workaround code is due to the fact that under EMX and | |
953 | DJGPP fstat attempts to convert time values to GMT rather than keep the | |
954 | actual OS timestamp of the file. By using the OS2/DOS functions directly | |
955 | the GNAT timestamp are independent of this behavior, which is desired to | |
f15731c4 | 956 | facilitate the distribution of GNAT compiled libraries. */ |
1fac938e | 957 | |
958 | #if defined (__EMX__) || defined (MSDOS) | |
959 | #ifdef __EMX__ | |
960 | ||
961 | FILESTATUS fs; | |
962 | int ret = DosQueryFileInfo (fd, 1, (unsigned char *) &fs, | |
963 | sizeof (FILESTATUS)); | |
964 | ||
965 | unsigned file_year = fs.fdateLastWrite.year; | |
966 | unsigned file_month = fs.fdateLastWrite.month; | |
967 | unsigned file_day = fs.fdateLastWrite.day; | |
968 | unsigned file_hour = fs.ftimeLastWrite.hours; | |
969 | unsigned file_min = fs.ftimeLastWrite.minutes; | |
970 | unsigned file_tsec = fs.ftimeLastWrite.twosecs; | |
971 | ||
972 | #else | |
973 | struct ftime fs; | |
974 | int ret = getftime (fd, &fs); | |
975 | ||
976 | unsigned file_year = fs.ft_year; | |
977 | unsigned file_month = fs.ft_month; | |
978 | unsigned file_day = fs.ft_day; | |
979 | unsigned file_hour = fs.ft_hour; | |
980 | unsigned file_min = fs.ft_min; | |
981 | unsigned file_tsec = fs.ft_tsec; | |
982 | #endif | |
983 | ||
984 | /* Calculate the seconds since epoch from the time components. First count | |
985 | the whole days passed. The value for years returned by the DOS and OS2 | |
986 | functions count years from 1980, so to compensate for the UNIX epoch which | |
987 | begins in 1970 start with 10 years worth of days and add days for each | |
f15731c4 | 988 | four year period since then. */ |
1fac938e | 989 | |
990 | time_t tot_secs; | |
f15731c4 | 991 | int cum_days[12] = {0, 31, 59, 90, 120, 151, 181, 212, 243, 273, 304, 334}; |
1fac938e | 992 | int days_passed = 3652 + (file_year / 4) * 1461; |
993 | int years_since_leap = file_year % 4; | |
994 | ||
995 | if (years_since_leap == 1) | |
996 | days_passed += 366; | |
997 | else if (years_since_leap == 2) | |
998 | days_passed += 731; | |
999 | else if (years_since_leap == 3) | |
1000 | days_passed += 1096; | |
1001 | ||
1002 | if (file_year > 20) | |
1003 | days_passed -= 1; | |
1004 | ||
f15731c4 | 1005 | days_passed += cum_days[file_month - 1]; |
1fac938e | 1006 | if (years_since_leap == 0 && file_year != 20 && file_month > 2) |
1007 | days_passed++; | |
1008 | ||
1009 | days_passed += file_day - 1; | |
1010 | ||
f15731c4 | 1011 | /* OK - have whole days. Multiply -- then add in other parts. */ |
1fac938e | 1012 | |
1013 | tot_secs = days_passed * 86400; | |
1014 | tot_secs += file_hour * 3600; | |
1015 | tot_secs += file_min * 60; | |
1016 | tot_secs += file_tsec * 2; | |
1bbc9831 | 1017 | return (OS_Time) tot_secs; |
1fac938e | 1018 | |
1019 | #elif defined (_WIN32) | |
1020 | HANDLE h = (HANDLE) _get_osfhandle (fd); | |
1021 | time_t ret = win32_filetime (h); | |
1bbc9831 | 1022 | return (OS_Time) ret; |
1fac938e | 1023 | |
1024 | #else | |
1025 | struct stat statbuf; | |
1026 | ||
1bbc9831 | 1027 | if (fstat (fd, &statbuf) != 0) { |
1028 | return (OS_Time) -1; | |
1029 | } else { | |
1fac938e | 1030 | #ifdef VMS |
1bbc9831 | 1031 | /* VMS has file versioning. */ |
1032 | return (OS_Time) statbuf.st_ctime; | |
1fac938e | 1033 | #else |
1bbc9831 | 1034 | return (OS_Time) statbuf.st_mtime; |
1fac938e | 1035 | #endif |
1bbc9831 | 1036 | } |
1fac938e | 1037 | #endif |
1038 | } | |
1039 | ||
f15731c4 | 1040 | /* Set the file time stamp. */ |
d8dd2062 | 1041 | |
1042 | void | |
9dfe12ae | 1043 | __gnat_set_file_time_name (char *name, time_t time_stamp) |
d8dd2062 | 1044 | { |
982e2721 | 1045 | #if defined (__EMX__) || defined (MSDOS) || defined (__vxworks) |
71a3e619 | 1046 | |
f15731c4 | 1047 | /* Code to implement __gnat_set_file_time_name for these systems. */ |
71a3e619 | 1048 | |
982e2721 | 1049 | #elif defined (_WIN32) |
1050 | union | |
1051 | { | |
1052 | FILETIME ft_time; | |
1053 | unsigned long long ull_time; | |
1054 | } t_write; | |
fabb7dc5 | 1055 | |
982e2721 | 1056 | HANDLE h = CreateFile (name, GENERIC_WRITE, FILE_SHARE_WRITE, NULL, |
1057 | OPEN_EXISTING, FILE_FLAG_BACKUP_SEMANTICS, | |
1058 | NULL); | |
1059 | if (h == INVALID_HANDLE_VALUE) | |
1060 | return; | |
1061 | /* Add number of seconds between <Jan 1st 1601> and <Jan 1st 1970> */ | |
1062 | t_write.ull_time = ((unsigned long long)time_stamp + w32_epoch_offset); | |
1063 | /* Convert to 100 nanosecond units */ | |
1064 | t_write.ull_time *= 10000000ULL; | |
1065 | ||
1066 | SetFileTime(h, NULL, NULL, &t_write.ft_time); | |
1067 | CloseHandle (h); | |
1068 | return; | |
1069 | ||
d8dd2062 | 1070 | #elif defined (VMS) |
1071 | struct FAB fab; | |
1072 | struct NAM nam; | |
1073 | ||
1074 | struct | |
1075 | { | |
1076 | unsigned long long backup, create, expire, revise; | |
1077 | unsigned long uic; | |
1078 | union | |
1079 | { | |
1080 | unsigned short value; | |
1081 | struct | |
1082 | { | |
1083 | unsigned system : 4; | |
1084 | unsigned owner : 4; | |
1085 | unsigned group : 4; | |
1086 | unsigned world : 4; | |
1087 | } bits; | |
1088 | } prot; | |
f15731c4 | 1089 | } Fat = { 0, 0, 0, 0, 0, { 0 }}; |
d8dd2062 | 1090 | |
f15731c4 | 1091 | ATRDEF atrlst[] |
d8dd2062 | 1092 | = { |
1093 | { ATR$S_CREDATE, ATR$C_CREDATE, &Fat.create }, | |
1094 | { ATR$S_REVDATE, ATR$C_REVDATE, &Fat.revise }, | |
1095 | { ATR$S_EXPDATE, ATR$C_EXPDATE, &Fat.expire }, | |
1096 | { ATR$S_BAKDATE, ATR$C_BAKDATE, &Fat.backup }, | |
f15731c4 | 1097 | { ATR$S_FPRO, ATR$C_FPRO, &Fat.prot }, |
d8dd2062 | 1098 | { ATR$S_UIC, ATR$C_UIC, &Fat.uic }, |
1099 | { 0, 0, 0} | |
1100 | }; | |
1101 | ||
1102 | FIBDEF fib; | |
1103 | struct dsc$descriptor_fib fibdsc = {sizeof (fib), (void *) &fib}; | |
1104 | ||
1105 | struct IOSB iosb; | |
1106 | ||
1107 | unsigned long long newtime; | |
1108 | unsigned long long revtime; | |
1109 | long status; | |
1110 | short chan; | |
1111 | ||
1112 | struct vstring file; | |
1113 | struct dsc$descriptor_s filedsc | |
1114 | = {NAM$C_MAXRSS, DSC$K_DTYPE_T, DSC$K_CLASS_S, (void *) file.string}; | |
1115 | struct vstring device; | |
1116 | struct dsc$descriptor_s devicedsc | |
1117 | = {NAM$C_MAXRSS, DSC$K_DTYPE_T, DSC$K_CLASS_S, (void *) device.string}; | |
1118 | struct vstring timev; | |
1119 | struct dsc$descriptor_s timedsc | |
1120 | = {NAM$C_MAXRSS, DSC$K_DTYPE_T, DSC$K_CLASS_S, (void *) timev.string}; | |
1121 | struct vstring result; | |
1122 | struct dsc$descriptor_s resultdsc | |
1123 | = {NAM$C_MAXRSS, DSC$K_DTYPE_VT, DSC$K_CLASS_VS, (void *) result.string}; | |
1124 | ||
1125 | tryfile = (char *) __gnat_to_host_dir_spec (name, 0); | |
1126 | ||
f15731c4 | 1127 | /* Allocate and initialize a FAB and NAM structures. */ |
d8dd2062 | 1128 | fab = cc$rms_fab; |
1129 | nam = cc$rms_nam; | |
1130 | ||
1131 | nam.nam$l_esa = file.string; | |
1132 | nam.nam$b_ess = NAM$C_MAXRSS; | |
1133 | nam.nam$l_rsa = result.string; | |
1134 | nam.nam$b_rss = NAM$C_MAXRSS; | |
1135 | fab.fab$l_fna = tryfile; | |
1136 | fab.fab$b_fns = strlen (tryfile); | |
1137 | fab.fab$l_nam = &nam; | |
1138 | ||
f15731c4 | 1139 | /* Validate filespec syntax and device existence. */ |
d8dd2062 | 1140 | status = SYS$PARSE (&fab, 0, 0); |
1141 | if ((status & 1) != 1) | |
1142 | LIB$SIGNAL (status); | |
1143 | ||
f15731c4 | 1144 | file.string[nam.nam$b_esl] = 0; |
d8dd2062 | 1145 | |
f15731c4 | 1146 | /* Find matching filespec. */ |
d8dd2062 | 1147 | status = SYS$SEARCH (&fab, 0, 0); |
1148 | if ((status & 1) != 1) | |
1149 | LIB$SIGNAL (status); | |
1150 | ||
f15731c4 | 1151 | file.string[nam.nam$b_esl] = 0; |
1152 | result.string[result.length=nam.nam$b_rsl] = 0; | |
d8dd2062 | 1153 | |
f15731c4 | 1154 | /* Get the device name and assign an IO channel. */ |
d8dd2062 | 1155 | strncpy (device.string, nam.nam$l_dev, nam.nam$b_dev); |
1156 | devicedsc.dsc$w_length = nam.nam$b_dev; | |
1157 | chan = 0; | |
1158 | status = SYS$ASSIGN (&devicedsc, &chan, 0, 0, 0); | |
1159 | if ((status & 1) != 1) | |
1160 | LIB$SIGNAL (status); | |
1161 | ||
f15731c4 | 1162 | /* Initialize the FIB and fill in the directory id field. */ |
1163 | memset (&fib, 0, sizeof (fib)); | |
1164 | fib.fib$w_did[0] = nam.nam$w_did[0]; | |
1165 | fib.fib$w_did[1] = nam.nam$w_did[1]; | |
1166 | fib.fib$w_did[2] = nam.nam$w_did[2]; | |
d8dd2062 | 1167 | fib.fib$l_acctl = 0; |
1168 | fib.fib$l_wcc = 0; | |
1169 | strcpy (file.string, (strrchr (result.string, ']') + 1)); | |
1170 | filedsc.dsc$w_length = strlen (file.string); | |
f15731c4 | 1171 | result.string[result.length = 0] = 0; |
d8dd2062 | 1172 | |
1173 | /* Open and close the file to fill in the attributes. */ | |
1174 | status | |
1175 | = SYS$QIOW (0, chan, IO$_ACCESS|IO$M_ACCESS, &iosb, 0, 0, | |
1176 | &fibdsc, &filedsc, &result.length, &resultdsc, &atrlst, 0); | |
1177 | if ((status & 1) != 1) | |
1178 | LIB$SIGNAL (status); | |
1179 | if ((iosb.status & 1) != 1) | |
1180 | LIB$SIGNAL (iosb.status); | |
1181 | ||
f15731c4 | 1182 | result.string[result.length] = 0; |
1183 | status = SYS$QIOW (0, chan, IO$_DEACCESS, &iosb, 0, 0, &fibdsc, 0, 0, 0, | |
1184 | &atrlst, 0); | |
d8dd2062 | 1185 | if ((status & 1) != 1) |
1186 | LIB$SIGNAL (status); | |
1187 | if ((iosb.status & 1) != 1) | |
1188 | LIB$SIGNAL (iosb.status); | |
1189 | ||
d8dd2062 | 1190 | { |
1191 | time_t t; | |
f15731c4 | 1192 | |
1193 | /* Set creation time to requested time. */ | |
9dfe12ae | 1194 | unix_time_to_vms (time_stamp, newtime); |
f15731c4 | 1195 | |
d8dd2062 | 1196 | t = time ((time_t) 0); |
d8dd2062 | 1197 | |
f15731c4 | 1198 | /* Set revision time to now in local time. */ |
9dfe12ae | 1199 | unix_time_to_vms (t, revtime); |
d8dd2062 | 1200 | } |
1201 | ||
f15731c4 | 1202 | /* Reopen the file, modify the times and then close. */ |
d8dd2062 | 1203 | fib.fib$l_acctl = FIB$M_WRITE; |
1204 | status | |
1205 | = SYS$QIOW (0, chan, IO$_ACCESS|IO$M_ACCESS, &iosb, 0, 0, | |
1206 | &fibdsc, &filedsc, &result.length, &resultdsc, &atrlst, 0); | |
1207 | if ((status & 1) != 1) | |
1208 | LIB$SIGNAL (status); | |
1209 | if ((iosb.status & 1) != 1) | |
1210 | LIB$SIGNAL (iosb.status); | |
1211 | ||
1212 | Fat.create = newtime; | |
1213 | Fat.revise = revtime; | |
1214 | ||
1215 | status = SYS$QIOW (0, chan, IO$_DEACCESS, &iosb, 0, 0, | |
1216 | &fibdsc, 0, 0, 0, &atrlst, 0); | |
1217 | if ((status & 1) != 1) | |
1218 | LIB$SIGNAL (status); | |
1219 | if ((iosb.status & 1) != 1) | |
1220 | LIB$SIGNAL (iosb.status); | |
1221 | ||
f15731c4 | 1222 | /* Deassign the channel and exit. */ |
d8dd2062 | 1223 | status = SYS$DASSGN (chan); |
1224 | if ((status & 1) != 1) | |
1225 | LIB$SIGNAL (status); | |
1226 | #else | |
1227 | struct utimbuf utimbuf; | |
1228 | time_t t; | |
1229 | ||
f15731c4 | 1230 | /* Set modification time to requested time. */ |
d8dd2062 | 1231 | utimbuf.modtime = time_stamp; |
1232 | ||
f15731c4 | 1233 | /* Set access time to now in local time. */ |
d8dd2062 | 1234 | t = time ((time_t) 0); |
1235 | utimbuf.actime = mktime (localtime (&t)); | |
1236 | ||
1237 | utime (name, &utimbuf); | |
1238 | #endif | |
1239 | } | |
1240 | ||
1fac938e | 1241 | void |
9dfe12ae | 1242 | __gnat_get_env_value_ptr (char *name, int *len, char **value) |
1fac938e | 1243 | { |
1244 | *value = getenv (name); | |
1245 | if (!*value) | |
1246 | *len = 0; | |
1247 | else | |
1248 | *len = strlen (*value); | |
1249 | ||
1250 | return; | |
1251 | } | |
1252 | ||
1253 | /* VMS specific declarations for set_env_value. */ | |
1254 | ||
1255 | #ifdef VMS | |
1256 | ||
9dfe12ae | 1257 | static char *to_host_path_spec (char *); |
1fac938e | 1258 | |
1259 | struct descriptor_s | |
1260 | { | |
1261 | unsigned short len, mbz; | |
6d9c3443 | 1262 | __char_ptr32 adr; |
1fac938e | 1263 | }; |
1264 | ||
1265 | typedef struct _ile3 | |
1266 | { | |
1267 | unsigned short len, code; | |
6d9c3443 | 1268 | __char_ptr32 adr; |
1fac938e | 1269 | unsigned short *retlen_adr; |
1270 | } ile_s; | |
1271 | ||
1272 | #endif | |
1273 | ||
1274 | void | |
9dfe12ae | 1275 | __gnat_set_env_value (char *name, char *value) |
1fac938e | 1276 | { |
1277 | #ifdef MSDOS | |
1278 | ||
1279 | #elif defined (VMS) | |
1280 | struct descriptor_s name_desc; | |
f15731c4 | 1281 | /* Put in JOB table for now, so that the project stuff at least works. */ |
1fac938e | 1282 | struct descriptor_s table_desc = {7, 0, "LNM$JOB"}; |
9dfe12ae | 1283 | char *host_pathspec = value; |
1fac938e | 1284 | char *copy_pathspec; |
1285 | int num_dirs_in_pathspec = 1; | |
1286 | char *ptr; | |
9dfe12ae | 1287 | long status; |
1fac938e | 1288 | |
1289 | name_desc.len = strlen (name); | |
1290 | name_desc.mbz = 0; | |
1291 | name_desc.adr = name; | |
1292 | ||
9dfe12ae | 1293 | if (*host_pathspec == 0) |
1294 | /* deassign */ | |
1295 | { | |
1296 | status = LIB$DELETE_LOGICAL (&name_desc, &table_desc); | |
1297 | /* no need to check status; if the logical name is not | |
1298 | defined, that's fine. */ | |
1299 | return; | |
1300 | } | |
1301 | ||
1fac938e | 1302 | ptr = host_pathspec; |
1303 | while (*ptr++) | |
1304 | if (*ptr == ',') | |
1305 | num_dirs_in_pathspec++; | |
1306 | ||
1307 | { | |
1308 | int i, status; | |
1309 | ile_s *ile_array = alloca (sizeof (ile_s) * (num_dirs_in_pathspec + 1)); | |
1310 | char *copy_pathspec = alloca (strlen (host_pathspec) + 1); | |
1311 | char *curr, *next; | |
1312 | ||
1313 | strcpy (copy_pathspec, host_pathspec); | |
1314 | curr = copy_pathspec; | |
1315 | for (i = 0; i < num_dirs_in_pathspec; i++) | |
1316 | { | |
1317 | next = strchr (curr, ','); | |
1318 | if (next == 0) | |
1319 | next = strchr (curr, 0); | |
1320 | ||
1321 | *next = 0; | |
f15731c4 | 1322 | ile_array[i].len = strlen (curr); |
1fac938e | 1323 | |
3cc2671a | 1324 | /* Code 2 from lnmdef.h means it's a string. */ |
f15731c4 | 1325 | ile_array[i].code = 2; |
1326 | ile_array[i].adr = curr; | |
1fac938e | 1327 | |
f15731c4 | 1328 | /* retlen_adr is ignored. */ |
1329 | ile_array[i].retlen_adr = 0; | |
1fac938e | 1330 | curr = next + 1; |
1331 | } | |
1332 | ||
f15731c4 | 1333 | /* Terminating item must be zero. */ |
1334 | ile_array[i].len = 0; | |
1335 | ile_array[i].code = 0; | |
1336 | ile_array[i].adr = 0; | |
1337 | ile_array[i].retlen_adr = 0; | |
1fac938e | 1338 | |
1339 | status = LIB$SET_LOGICAL (&name_desc, 0, &table_desc, 0, ile_array); | |
1340 | if ((status & 1) != 1) | |
1341 | LIB$SIGNAL (status); | |
1342 | } | |
1343 | ||
8ffbc401 | 1344 | #elif defined (__vxworks) && defined (__RTP__) |
1345 | setenv (name, value, 1); | |
1346 | ||
1fac938e | 1347 | #else |
1348 | int size = strlen (name) + strlen (value) + 2; | |
1349 | char *expression; | |
1350 | ||
1351 | expression = (char *) xmalloc (size * sizeof (char)); | |
1352 | ||
1353 | sprintf (expression, "%s=%s", name, value); | |
1354 | putenv (expression); | |
1355 | #endif | |
1356 | } | |
1357 | ||
1358 | #ifdef _WIN32 | |
1359 | #include <windows.h> | |
1360 | #endif | |
1361 | ||
1362 | /* Get the list of installed standard libraries from the | |
1363 | HKEY_LOCAL_MACHINE\SOFTWARE\Ada Core Technologies\GNAT\Standard Libraries | |
1364 | key. */ | |
1365 | ||
1366 | char * | |
6f2c2693 | 1367 | __gnat_get_libraries_from_registry (void) |
1fac938e | 1368 | { |
1369 | char *result = (char *) ""; | |
1370 | ||
1371 | #if defined (_WIN32) && ! defined (__vxworks) && ! defined (CROSS_COMPILE) | |
1372 | ||
1373 | HKEY reg_key; | |
1374 | DWORD name_size, value_size; | |
1375 | char name[256]; | |
1376 | char value[256]; | |
1377 | DWORD type; | |
1378 | DWORD index; | |
1379 | LONG res; | |
1380 | ||
1381 | /* First open the key. */ | |
1382 | res = RegOpenKeyExA (HKEY_LOCAL_MACHINE, "SOFTWARE", 0, KEY_READ, ®_key); | |
1383 | ||
1384 | if (res == ERROR_SUCCESS) | |
1385 | res = RegOpenKeyExA (reg_key, "Ada Core Technologies", 0, | |
1386 | KEY_READ, ®_key); | |
1387 | ||
1388 | if (res == ERROR_SUCCESS) | |
1389 | res = RegOpenKeyExA (reg_key, "GNAT", 0, KEY_READ, ®_key); | |
1390 | ||
1391 | if (res == ERROR_SUCCESS) | |
1392 | res = RegOpenKeyExA (reg_key, "Standard Libraries", 0, KEY_READ, ®_key); | |
1393 | ||
1394 | /* If the key exists, read out all the values in it and concatenate them | |
1395 | into a path. */ | |
1396 | for (index = 0; res == ERROR_SUCCESS; index++) | |
1397 | { | |
1398 | value_size = name_size = 256; | |
1399 | res = RegEnumValue (reg_key, index, name, &name_size, 0, | |
38750fcd | 1400 | &type, (LPBYTE)value, &value_size); |
1fac938e | 1401 | |
1402 | if (res == ERROR_SUCCESS && type == REG_SZ) | |
1403 | { | |
1404 | char *old_result = result; | |
1405 | ||
1406 | result = (char *) xmalloc (strlen (old_result) + value_size + 2); | |
1407 | strcpy (result, old_result); | |
1408 | strcat (result, value); | |
1409 | strcat (result, ";"); | |
1410 | } | |
1411 | } | |
1412 | ||
1413 | /* Remove the trailing ";". */ | |
1414 | if (result[0] != 0) | |
1415 | result[strlen (result) - 1] = 0; | |
1416 | ||
1417 | #endif | |
1418 | return result; | |
1419 | } | |
1420 | ||
1421 | int | |
9dfe12ae | 1422 | __gnat_stat (char *name, struct stat *statbuf) |
1fac938e | 1423 | { |
1424 | #ifdef _WIN32 | |
1425 | /* Under Windows the directory name for the stat function must not be | |
1426 | terminated by a directory separator except if just after a drive name. */ | |
1427 | int name_len = strlen (name); | |
f15731c4 | 1428 | char last_char = name[name_len - 1]; |
e7b2d6bc | 1429 | char win32_name[GNAT_MAX_PATH_LEN + 2]; |
1430 | ||
1431 | if (name_len > GNAT_MAX_PATH_LEN) | |
1432 | return -1; | |
1fac938e | 1433 | |
1434 | strcpy (win32_name, name); | |
1435 | ||
1436 | while (name_len > 1 && (last_char == '\\' || last_char == '/')) | |
1437 | { | |
f15731c4 | 1438 | win32_name[name_len - 1] = '\0'; |
1fac938e | 1439 | name_len--; |
1440 | last_char = win32_name[name_len - 1]; | |
1441 | } | |
1442 | ||
f15731c4 | 1443 | if (name_len == 2 && win32_name[1] == ':') |
1fac938e | 1444 | strcat (win32_name, "\\"); |
1445 | ||
1446 | return stat (win32_name, statbuf); | |
1447 | ||
1448 | #else | |
1449 | return stat (name, statbuf); | |
1450 | #endif | |
1451 | } | |
1452 | ||
1453 | int | |
9dfe12ae | 1454 | __gnat_file_exists (char *name) |
1fac938e | 1455 | { |
1456 | struct stat statbuf; | |
1457 | ||
1458 | return !__gnat_stat (name, &statbuf); | |
1459 | } | |
1460 | ||
9dfe12ae | 1461 | int |
4a3f445c | 1462 | __gnat_is_absolute_path (char *name, int length) |
1fac938e | 1463 | { |
4a3f445c | 1464 | return (length != 0) && |
1465 | (*name == '/' || *name == DIR_SEPARATOR | |
f15731c4 | 1466 | #if defined (__EMX__) || defined (MSDOS) || defined (WINNT) |
4a3f445c | 1467 | || (length > 1 && isalpha (name[0]) && name[1] == ':') |
1fac938e | 1468 | #endif |
1469 | ); | |
1470 | } | |
1471 | ||
1472 | int | |
9dfe12ae | 1473 | __gnat_is_regular_file (char *name) |
1fac938e | 1474 | { |
1475 | int ret; | |
1476 | struct stat statbuf; | |
1477 | ||
1478 | ret = __gnat_stat (name, &statbuf); | |
1479 | return (!ret && S_ISREG (statbuf.st_mode)); | |
1480 | } | |
1481 | ||
1482 | int | |
9dfe12ae | 1483 | __gnat_is_directory (char *name) |
1fac938e | 1484 | { |
1485 | int ret; | |
1486 | struct stat statbuf; | |
1487 | ||
1488 | ret = __gnat_stat (name, &statbuf); | |
1489 | return (!ret && S_ISDIR (statbuf.st_mode)); | |
1490 | } | |
1491 | ||
1492 | int | |
9dfe12ae | 1493 | __gnat_is_readable_file (char *name) |
1494 | { | |
1495 | int ret; | |
1496 | int mode; | |
1497 | struct stat statbuf; | |
1498 | ||
1499 | ret = __gnat_stat (name, &statbuf); | |
1500 | mode = statbuf.st_mode & S_IRUSR; | |
1501 | return (!ret && mode); | |
1502 | } | |
1503 | ||
1504 | int | |
1505 | __gnat_is_writable_file (char *name) | |
1fac938e | 1506 | { |
1507 | int ret; | |
1508 | int mode; | |
1509 | struct stat statbuf; | |
1510 | ||
1511 | ret = __gnat_stat (name, &statbuf); | |
1512 | mode = statbuf.st_mode & S_IWUSR; | |
1513 | return (!ret && mode); | |
1514 | } | |
1515 | ||
9dfe12ae | 1516 | void |
1517 | __gnat_set_writable (char *name) | |
1518 | { | |
1519 | #ifndef __vxworks | |
1520 | struct stat statbuf; | |
1521 | ||
1522 | if (stat (name, &statbuf) == 0) | |
1523 | { | |
1524 | statbuf.st_mode = statbuf.st_mode | S_IWUSR; | |
1525 | chmod (name, statbuf.st_mode); | |
1526 | } | |
1527 | #endif | |
1528 | } | |
1529 | ||
5329ca64 | 1530 | void |
1531 | __gnat_set_executable (char *name) | |
1532 | { | |
1533 | #ifndef __vxworks | |
1534 | struct stat statbuf; | |
1535 | ||
1536 | if (stat (name, &statbuf) == 0) | |
1537 | { | |
1538 | statbuf.st_mode = statbuf.st_mode | S_IXUSR; | |
1539 | chmod (name, statbuf.st_mode); | |
1540 | } | |
1541 | #endif | |
1542 | } | |
1543 | ||
9dfe12ae | 1544 | void |
1545 | __gnat_set_readonly (char *name) | |
1546 | { | |
1547 | #ifndef __vxworks | |
1548 | struct stat statbuf; | |
1549 | ||
1550 | if (stat (name, &statbuf) == 0) | |
1551 | { | |
1552 | statbuf.st_mode = statbuf.st_mode & 07577; | |
1553 | chmod (name, statbuf.st_mode); | |
1554 | } | |
1555 | #endif | |
1556 | } | |
1557 | ||
1558 | int | |
f0a28ccb | 1559 | __gnat_is_symbolic_link (char *name ATTRIBUTE_UNUSED) |
9dfe12ae | 1560 | { |
1561 | #if defined (__vxworks) | |
1562 | return 0; | |
1563 | ||
8e761191 | 1564 | #elif defined (_AIX) || defined (__APPLE__) || defined (__unix__) |
9dfe12ae | 1565 | int ret; |
1566 | struct stat statbuf; | |
1567 | ||
1568 | ret = lstat (name, &statbuf); | |
1569 | return (!ret && S_ISLNK (statbuf.st_mode)); | |
1570 | ||
1571 | #else | |
1572 | return 0; | |
1573 | #endif | |
1574 | } | |
1575 | ||
1fac938e | 1576 | #if defined (sun) && defined (__SVR4) |
1577 | /* Using fork on Solaris will duplicate all the threads. fork1, which | |
1578 | duplicates only the active thread, must be used instead, or spawning | |
1579 | subprocess from a program with tasking will lead into numerous problems. */ | |
1580 | #define fork fork1 | |
1581 | #endif | |
1582 | ||
1583 | int | |
9dfe12ae | 1584 | __gnat_portable_spawn (char *args[]) |
1fac938e | 1585 | { |
1586 | int status = 0; | |
f0a28ccb | 1587 | int finished ATTRIBUTE_UNUSED; |
1588 | int pid ATTRIBUTE_UNUSED; | |
1fac938e | 1589 | |
1590 | #if defined (MSDOS) || defined (_WIN32) | |
f270dc82 | 1591 | /* args[0] must be quotes as it could contain a full pathname with spaces */ |
38750fcd | 1592 | char *args_0 = args[0]; |
f270dc82 | 1593 | args[0] = (char *)xmalloc (strlen (args_0) + 3); |
1594 | strcpy (args[0], "\""); | |
1595 | strcat (args[0], args_0); | |
1596 | strcat (args[0], "\""); | |
1597 | ||
0b9eca83 | 1598 | status = spawnvp (P_WAIT, args_0, (const char* const*)args); |
f270dc82 | 1599 | |
1600 | /* restore previous value */ | |
1601 | free (args[0]); | |
8e761191 | 1602 | args[0] = (char *)args_0; |
f270dc82 | 1603 | |
1fac938e | 1604 | if (status < 0) |
f15731c4 | 1605 | return -1; |
1fac938e | 1606 | else |
1607 | return status; | |
1608 | ||
f15731c4 | 1609 | #elif defined (__vxworks) |
1610 | return -1; | |
1fac938e | 1611 | #else |
1612 | ||
1613 | #ifdef __EMX__ | |
f15731c4 | 1614 | pid = spawnvp (P_NOWAIT, args[0], args); |
1fac938e | 1615 | if (pid == -1) |
f15731c4 | 1616 | return -1; |
1617 | ||
1fac938e | 1618 | #else |
1619 | pid = fork (); | |
f15731c4 | 1620 | if (pid < 0) |
1621 | return -1; | |
1fac938e | 1622 | |
f15731c4 | 1623 | if (pid == 0) |
1624 | { | |
1625 | /* The child. */ | |
6d9c3443 | 1626 | if (execv (args[0], MAYBE_TO_PTR32 (args)) != 0) |
f15731c4 | 1627 | #if defined (VMS) |
1628 | return -1; /* execv is in parent context on VMS. */ | |
1629 | #else | |
1630 | _exit (1); | |
1631 | #endif | |
1632 | } | |
1fac938e | 1633 | #endif |
1634 | ||
f15731c4 | 1635 | /* The parent. */ |
1fac938e | 1636 | finished = waitpid (pid, &status, 0); |
1637 | ||
1638 | if (finished != pid || WIFEXITED (status) == 0) | |
f15731c4 | 1639 | return -1; |
1fac938e | 1640 | |
1641 | return WEXITSTATUS (status); | |
1642 | #endif | |
f15731c4 | 1643 | |
1fac938e | 1644 | return 0; |
1645 | } | |
1646 | ||
8e761191 | 1647 | /* Create a copy of the given file descriptor. |
1648 | Return -1 if an error occurred. */ | |
1649 | ||
1650 | int | |
1651 | __gnat_dup (int oldfd) | |
1652 | { | |
8ffbc401 | 1653 | #if defined (__vxworks) && !defined (__RTP__) |
1654 | /* Not supported on VxWorks 5.x, but supported on VxWorks 6.0 when using | |
1655 | RTPs. */ | |
1656 | return -1; | |
8e761191 | 1657 | #else |
8ffbc401 | 1658 | return dup (oldfd); |
8e761191 | 1659 | #endif |
1660 | } | |
1661 | ||
1662 | /* Make newfd be the copy of oldfd, closing newfd first if necessary. | |
5e947a95 | 1663 | Return -1 if an error occurred. */ |
8e761191 | 1664 | |
1665 | int | |
1666 | __gnat_dup2 (int oldfd, int newfd) | |
1667 | { | |
8ffbc401 | 1668 | #if defined (__vxworks) && !defined (__RTP__) |
1669 | /* Not supported on VxWorks 5.x, but supported on VxWorks 6.0 when using | |
1670 | RTPs. */ | |
8e761191 | 1671 | return -1; |
1672 | #else | |
1673 | return dup2 (oldfd, newfd); | |
1674 | #endif | |
1675 | } | |
1676 | ||
f15731c4 | 1677 | /* WIN32 code to implement a wait call that wait for any child process. */ |
1678 | ||
1fac938e | 1679 | #ifdef _WIN32 |
1680 | ||
1681 | /* Synchronization code, to be thread safe. */ | |
1682 | ||
1683 | static CRITICAL_SECTION plist_cs; | |
1684 | ||
1685 | void | |
f0a28ccb | 1686 | __gnat_plist_init (void) |
1fac938e | 1687 | { |
1688 | InitializeCriticalSection (&plist_cs); | |
1689 | } | |
1690 | ||
1691 | static void | |
f0a28ccb | 1692 | plist_enter (void) |
1fac938e | 1693 | { |
1694 | EnterCriticalSection (&plist_cs); | |
1695 | } | |
1696 | ||
f15731c4 | 1697 | static void |
f0a28ccb | 1698 | plist_leave (void) |
1fac938e | 1699 | { |
1700 | LeaveCriticalSection (&plist_cs); | |
1701 | } | |
1702 | ||
1703 | typedef struct _process_list | |
1704 | { | |
1705 | HANDLE h; | |
1706 | struct _process_list *next; | |
1707 | } Process_List; | |
1708 | ||
1709 | static Process_List *PLIST = NULL; | |
1710 | ||
1711 | static int plist_length = 0; | |
1712 | ||
1713 | static void | |
9dfe12ae | 1714 | add_handle (HANDLE h) |
1fac938e | 1715 | { |
1716 | Process_List *pl; | |
1717 | ||
1718 | pl = (Process_List *) xmalloc (sizeof (Process_List)); | |
1719 | ||
1720 | plist_enter(); | |
1721 | ||
1722 | /* -------------------- critical section -------------------- */ | |
1723 | pl->h = h; | |
1724 | pl->next = PLIST; | |
1725 | PLIST = pl; | |
1726 | ++plist_length; | |
1727 | /* -------------------- critical section -------------------- */ | |
1728 | ||
1729 | plist_leave(); | |
1730 | } | |
1731 | ||
f0a28ccb | 1732 | static void |
1733 | remove_handle (HANDLE h) | |
1fac938e | 1734 | { |
f0a28ccb | 1735 | Process_List *pl; |
1736 | Process_List *prev = NULL; | |
1fac938e | 1737 | |
1738 | plist_enter(); | |
1739 | ||
1740 | /* -------------------- critical section -------------------- */ | |
1741 | pl = PLIST; | |
1742 | while (pl) | |
1743 | { | |
1744 | if (pl->h == h) | |
1745 | { | |
1746 | if (pl == PLIST) | |
1747 | PLIST = pl->next; | |
1748 | else | |
1749 | prev->next = pl->next; | |
1750 | free (pl); | |
1751 | break; | |
1752 | } | |
1753 | else | |
1754 | { | |
1755 | prev = pl; | |
1756 | pl = pl->next; | |
1757 | } | |
1758 | } | |
1759 | ||
1760 | --plist_length; | |
1761 | /* -------------------- critical section -------------------- */ | |
1762 | ||
1763 | plist_leave(); | |
1764 | } | |
1765 | ||
1766 | static int | |
9dfe12ae | 1767 | win32_no_block_spawn (char *command, char *args[]) |
1fac938e | 1768 | { |
1769 | BOOL result; | |
1770 | STARTUPINFO SI; | |
1771 | PROCESS_INFORMATION PI; | |
1772 | SECURITY_ATTRIBUTES SA; | |
f15731c4 | 1773 | int csize = 1; |
1774 | char *full_command; | |
1fac938e | 1775 | int k; |
1776 | ||
f15731c4 | 1777 | /* compute the total command line length */ |
1778 | k = 0; | |
1779 | while (args[k]) | |
1780 | { | |
1781 | csize += strlen (args[k]) + 1; | |
1782 | k++; | |
1783 | } | |
1784 | ||
1785 | full_command = (char *) xmalloc (csize); | |
1786 | ||
1fac938e | 1787 | /* Startup info. */ |
1788 | SI.cb = sizeof (STARTUPINFO); | |
1789 | SI.lpReserved = NULL; | |
1790 | SI.lpReserved2 = NULL; | |
1791 | SI.lpDesktop = NULL; | |
1792 | SI.cbReserved2 = 0; | |
1793 | SI.lpTitle = NULL; | |
1794 | SI.dwFlags = 0; | |
1795 | SI.wShowWindow = SW_HIDE; | |
1796 | ||
1797 | /* Security attributes. */ | |
1798 | SA.nLength = sizeof (SECURITY_ATTRIBUTES); | |
1799 | SA.bInheritHandle = TRUE; | |
1800 | SA.lpSecurityDescriptor = NULL; | |
1801 | ||
1802 | /* Prepare the command string. */ | |
1803 | strcpy (full_command, command); | |
1804 | strcat (full_command, " "); | |
1805 | ||
1806 | k = 1; | |
1807 | while (args[k]) | |
1808 | { | |
1809 | strcat (full_command, args[k]); | |
1810 | strcat (full_command, " "); | |
1811 | k++; | |
1812 | } | |
1813 | ||
8e761191 | 1814 | result = CreateProcess |
1815 | (NULL, (char *) full_command, &SA, NULL, TRUE, | |
1816 | GetPriorityClass (GetCurrentProcess()), NULL, NULL, &SI, &PI); | |
1fac938e | 1817 | |
f15731c4 | 1818 | free (full_command); |
1819 | ||
1fac938e | 1820 | if (result == TRUE) |
1821 | { | |
1822 | add_handle (PI.hProcess); | |
1823 | CloseHandle (PI.hThread); | |
1824 | return (int) PI.hProcess; | |
1825 | } | |
1826 | else | |
1827 | return -1; | |
1828 | } | |
1829 | ||
1830 | static int | |
9dfe12ae | 1831 | win32_wait (int *status) |
1fac938e | 1832 | { |
1833 | DWORD exitcode; | |
1834 | HANDLE *hl; | |
1835 | HANDLE h; | |
1836 | DWORD res; | |
1837 | int k; | |
1838 | Process_List *pl; | |
1839 | ||
1840 | if (plist_length == 0) | |
1841 | { | |
1842 | errno = ECHILD; | |
1843 | return -1; | |
1844 | } | |
1845 | ||
1846 | hl = (HANDLE *) xmalloc (sizeof (HANDLE) * plist_length); | |
1847 | ||
1848 | k = 0; | |
1849 | plist_enter(); | |
1850 | ||
1851 | /* -------------------- critical section -------------------- */ | |
1852 | pl = PLIST; | |
1853 | while (pl) | |
1854 | { | |
1855 | hl[k++] = pl->h; | |
1856 | pl = pl->next; | |
1857 | } | |
1858 | /* -------------------- critical section -------------------- */ | |
1859 | ||
1860 | plist_leave(); | |
1861 | ||
1862 | res = WaitForMultipleObjects (plist_length, hl, FALSE, INFINITE); | |
f15731c4 | 1863 | h = hl[res - WAIT_OBJECT_0]; |
1fac938e | 1864 | free (hl); |
1865 | ||
1866 | remove_handle (h); | |
1867 | ||
1868 | GetExitCodeProcess (h, &exitcode); | |
1869 | CloseHandle (h); | |
1870 | ||
1871 | *status = (int) exitcode; | |
1872 | return (int) h; | |
1873 | } | |
1874 | ||
1875 | #endif | |
1876 | ||
1877 | int | |
9dfe12ae | 1878 | __gnat_portable_no_block_spawn (char *args[]) |
1fac938e | 1879 | { |
1880 | int pid = 0; | |
1881 | ||
1882 | #if defined (__EMX__) || defined (MSDOS) | |
1883 | ||
1884 | /* ??? For PC machines I (Franco) don't know the system calls to implement | |
1885 | this routine. So I'll fake it as follows. This routine will behave | |
1886 | exactly like the blocking portable_spawn and will systematically return | |
1887 | a pid of 0 unless the spawned task did not complete successfully, in | |
1888 | which case we return a pid of -1. To synchronize with this the | |
1889 | portable_wait below systematically returns a pid of 0 and reports that | |
1890 | the subprocess terminated successfully. */ | |
1891 | ||
f15731c4 | 1892 | if (spawnvp (P_WAIT, args[0], args) != 0) |
1fac938e | 1893 | return -1; |
1894 | ||
1895 | #elif defined (_WIN32) | |
1896 | ||
1897 | pid = win32_no_block_spawn (args[0], args); | |
1898 | return pid; | |
1899 | ||
f15731c4 | 1900 | #elif defined (__vxworks) |
1901 | return -1; | |
1fac938e | 1902 | |
1903 | #else | |
1904 | pid = fork (); | |
1905 | ||
f15731c4 | 1906 | if (pid == 0) |
1907 | { | |
1908 | /* The child. */ | |
6d9c3443 | 1909 | if (execv (args[0], MAYBE_TO_PTR32 (args)) != 0) |
f15731c4 | 1910 | #if defined (VMS) |
1911 | return -1; /* execv is in parent context on VMS. */ | |
9dfe12ae | 1912 | #else |
f15731c4 | 1913 | _exit (1); |
1914 | #endif | |
1915 | } | |
1916 | ||
1fac938e | 1917 | #endif |
1918 | ||
1919 | return pid; | |
1920 | } | |
1921 | ||
1922 | int | |
9dfe12ae | 1923 | __gnat_portable_wait (int *process_status) |
1fac938e | 1924 | { |
1925 | int status = 0; | |
1926 | int pid = 0; | |
1927 | ||
1928 | #if defined (_WIN32) | |
1929 | ||
1930 | pid = win32_wait (&status); | |
1931 | ||
1932 | #elif defined (__EMX__) || defined (MSDOS) | |
f15731c4 | 1933 | /* ??? See corresponding comment in portable_no_block_spawn. */ |
1fac938e | 1934 | |
1935 | #elif defined (__vxworks) | |
1936 | /* Not sure what to do here, so do same as __EMX__ case, i.e., nothing but | |
f15731c4 | 1937 | return zero. */ |
1fac938e | 1938 | #else |
1939 | ||
1fac938e | 1940 | pid = waitpid (-1, &status, 0); |
1fac938e | 1941 | status = status & 0xffff; |
1942 | #endif | |
1943 | ||
1944 | *process_status = status; | |
1945 | return pid; | |
1946 | } | |
1947 | ||
1948 | void | |
9dfe12ae | 1949 | __gnat_os_exit (int status) |
1fac938e | 1950 | { |
1fac938e | 1951 | exit (status); |
1fac938e | 1952 | } |
1953 | ||
f15731c4 | 1954 | /* Locate a regular file, give a Path value. */ |
1fac938e | 1955 | |
1956 | char * | |
9dfe12ae | 1957 | __gnat_locate_regular_file (char *file_name, char *path_val) |
1fac938e | 1958 | { |
1959 | char *ptr; | |
c69ba469 | 1960 | char *file_path = alloca (strlen (file_name) + 1); |
1961 | int absolute; | |
1962 | ||
b51bcb1c | 1963 | /* Return immediately if file_name is empty */ |
1964 | ||
1965 | if (*file_name == '\0') | |
1966 | return 0; | |
1967 | ||
c69ba469 | 1968 | /* Remove quotes around file_name if present */ |
1969 | ||
1970 | ptr = file_name; | |
1971 | if (*ptr == '"') | |
1972 | ptr++; | |
1973 | ||
1974 | strcpy (file_path, ptr); | |
1975 | ||
1976 | ptr = file_path + strlen (file_path) - 1; | |
1977 | ||
1978 | if (*ptr == '"') | |
1979 | *ptr = '\0'; | |
1fac938e | 1980 | |
f15731c4 | 1981 | /* Handle absolute pathnames. */ |
c69ba469 | 1982 | |
1983 | absolute = __gnat_is_absolute_path (file_path, strlen (file_name)); | |
1984 | ||
9dfe12ae | 1985 | if (absolute) |
1986 | { | |
c69ba469 | 1987 | if (__gnat_is_regular_file (file_path)) |
1988 | return xstrdup (file_path); | |
9dfe12ae | 1989 | |
1990 | return 0; | |
1991 | } | |
1992 | ||
1993 | /* If file_name include directory separator(s), try it first as | |
1994 | a path name relative to the current directory */ | |
1fac938e | 1995 | for (ptr = file_name; *ptr && *ptr != '/' && *ptr != DIR_SEPARATOR; ptr++) |
1996 | ; | |
1997 | ||
9dfe12ae | 1998 | if (*ptr != 0) |
1fac938e | 1999 | { |
2000 | if (__gnat_is_regular_file (file_name)) | |
2001 | return xstrdup (file_name); | |
1fac938e | 2002 | } |
2003 | ||
2004 | if (path_val == 0) | |
2005 | return 0; | |
2006 | ||
2007 | { | |
2008 | /* The result has to be smaller than path_val + file_name. */ | |
2009 | char *file_path = alloca (strlen (path_val) + strlen (file_name) + 2); | |
2010 | ||
2011 | for (;;) | |
2012 | { | |
2013 | for (; *path_val == PATH_SEPARATOR; path_val++) | |
2014 | ; | |
2015 | ||
2016 | if (*path_val == 0) | |
2017 | return 0; | |
2018 | ||
c69ba469 | 2019 | /* Skip the starting quote */ |
2020 | ||
2021 | if (*path_val == '"') | |
2022 | path_val++; | |
2023 | ||
1fac938e | 2024 | for (ptr = file_path; *path_val && *path_val != PATH_SEPARATOR; ) |
c69ba469 | 2025 | *ptr++ = *path_val++; |
1fac938e | 2026 | |
2027 | ptr--; | |
c69ba469 | 2028 | |
2029 | /* Skip the ending quote */ | |
2030 | ||
2031 | if (*ptr == '"') | |
2032 | ptr--; | |
2033 | ||
1fac938e | 2034 | if (*ptr != '/' && *ptr != DIR_SEPARATOR) |
2035 | *++ptr = DIR_SEPARATOR; | |
2036 | ||
2037 | strcpy (++ptr, file_name); | |
2038 | ||
2039 | if (__gnat_is_regular_file (file_path)) | |
2040 | return xstrdup (file_path); | |
2041 | } | |
2042 | } | |
2043 | ||
2044 | return 0; | |
2045 | } | |
2046 | ||
1fac938e | 2047 | /* Locate an executable given a Path argument. This routine is only used by |
2048 | gnatbl and should not be used otherwise. Use locate_exec_on_path | |
f15731c4 | 2049 | instead. */ |
1fac938e | 2050 | |
2051 | char * | |
9dfe12ae | 2052 | __gnat_locate_exec (char *exec_name, char *path_val) |
1fac938e | 2053 | { |
fb31b465 | 2054 | char *ptr; |
1fac938e | 2055 | if (!strstr (exec_name, HOST_EXECUTABLE_SUFFIX)) |
2056 | { | |
2057 | char *full_exec_name | |
2058 | = alloca (strlen (exec_name) + strlen (HOST_EXECUTABLE_SUFFIX) + 1); | |
2059 | ||
2060 | strcpy (full_exec_name, exec_name); | |
2061 | strcat (full_exec_name, HOST_EXECUTABLE_SUFFIX); | |
fb31b465 | 2062 | ptr = __gnat_locate_regular_file (full_exec_name, path_val); |
2063 | ||
2064 | if (ptr == 0) | |
2065 | return __gnat_locate_regular_file (exec_name, path_val); | |
2066 | return ptr; | |
1fac938e | 2067 | } |
2068 | else | |
2069 | return __gnat_locate_regular_file (exec_name, path_val); | |
2070 | } | |
2071 | ||
f15731c4 | 2072 | /* Locate an executable using the Systems default PATH. */ |
1fac938e | 2073 | |
2074 | char * | |
9dfe12ae | 2075 | __gnat_locate_exec_on_path (char *exec_name) |
1fac938e | 2076 | { |
9dfe12ae | 2077 | char *apath_val; |
1fac938e | 2078 | #ifdef VMS |
2079 | char *path_val = "/VAXC$PATH"; | |
2080 | #else | |
2081 | char *path_val = getenv ("PATH"); | |
2082 | #endif | |
9dfe12ae | 2083 | #ifdef _WIN32 |
2084 | /* In Win32 systems we expand the PATH as for XP environment | |
c69ba469 | 2085 | variables are not automatically expanded. We also prepend the |
2086 | ".;" to the path to match normal NT path search semantics */ | |
9dfe12ae | 2087 | |
c69ba469 | 2088 | #define EXPAND_BUFFER_SIZE 32767 |
9dfe12ae | 2089 | |
c69ba469 | 2090 | apath_val = alloca (EXPAND_BUFFER_SIZE); |
2091 | ||
2092 | apath_val [0] = '.'; | |
2093 | apath_val [1] = ';'; | |
1fac938e | 2094 | |
c69ba469 | 2095 | DWORD res = ExpandEnvironmentStrings |
2096 | (path_val, apath_val + 2, EXPAND_BUFFER_SIZE - 2); | |
2097 | ||
2098 | if (!res) apath_val [0] = '\0'; | |
2099 | #else | |
9dfe12ae | 2100 | apath_val = alloca (strlen (path_val) + 1); |
1fac938e | 2101 | strcpy (apath_val, path_val); |
c69ba469 | 2102 | #endif |
9dfe12ae | 2103 | |
1fac938e | 2104 | return __gnat_locate_exec (exec_name, apath_val); |
2105 | } | |
2106 | ||
2107 | #ifdef VMS | |
2108 | ||
2109 | /* These functions are used to translate to and from VMS and Unix syntax | |
f15731c4 | 2110 | file, directory and path specifications. */ |
1fac938e | 2111 | |
9dfe12ae | 2112 | #define MAXPATH 256 |
1fac938e | 2113 | #define MAXNAMES 256 |
2114 | #define NEW_CANONICAL_FILELIST_INCREMENT 64 | |
2115 | ||
9dfe12ae | 2116 | static char new_canonical_dirspec [MAXPATH]; |
2117 | static char new_canonical_filespec [MAXPATH]; | |
2118 | static char new_canonical_pathspec [MAXNAMES*MAXPATH]; | |
1fac938e | 2119 | static unsigned new_canonical_filelist_index; |
2120 | static unsigned new_canonical_filelist_in_use; | |
2121 | static unsigned new_canonical_filelist_allocated; | |
2122 | static char **new_canonical_filelist; | |
9dfe12ae | 2123 | static char new_host_pathspec [MAXNAMES*MAXPATH]; |
2124 | static char new_host_dirspec [MAXPATH]; | |
2125 | static char new_host_filespec [MAXPATH]; | |
1fac938e | 2126 | |
2127 | /* Routine is called repeatedly by decc$from_vms via | |
9dfe12ae | 2128 | __gnat_to_canonical_file_list_init until it returns 0 or the expansion |
2129 | runs out. */ | |
1fac938e | 2130 | |
2131 | static int | |
9dfe12ae | 2132 | wildcard_translate_unix (char *name) |
1fac938e | 2133 | { |
2134 | char *ver; | |
9dfe12ae | 2135 | char buff [MAXPATH]; |
1fac938e | 2136 | |
9dfe12ae | 2137 | strncpy (buff, name, MAXPATH); |
2138 | buff [MAXPATH - 1] = (char) 0; | |
1fac938e | 2139 | ver = strrchr (buff, '.'); |
2140 | ||
f15731c4 | 2141 | /* Chop off the version. */ |
1fac938e | 2142 | if (ver) |
2143 | *ver = 0; | |
2144 | ||
f15731c4 | 2145 | /* Dynamically extend the allocation by the increment. */ |
1fac938e | 2146 | if (new_canonical_filelist_in_use == new_canonical_filelist_allocated) |
2147 | { | |
2148 | new_canonical_filelist_allocated += NEW_CANONICAL_FILELIST_INCREMENT; | |
f15731c4 | 2149 | new_canonical_filelist = (char **) xrealloc |
1fac938e | 2150 | (new_canonical_filelist, |
2151 | new_canonical_filelist_allocated * sizeof (char *)); | |
2152 | } | |
2153 | ||
2154 | new_canonical_filelist[new_canonical_filelist_in_use++] = xstrdup (buff); | |
2155 | ||
2156 | return 1; | |
2157 | } | |
2158 | ||
f15731c4 | 2159 | /* Translate a wildcard VMS file spec into a list of Unix file specs. First do |
2160 | full translation and copy the results into a list (_init), then return them | |
2161 | one at a time (_next). If onlydirs set, only expand directory files. */ | |
1fac938e | 2162 | |
2163 | int | |
9dfe12ae | 2164 | __gnat_to_canonical_file_list_init (char *filespec, int onlydirs) |
1fac938e | 2165 | { |
2166 | int len; | |
9dfe12ae | 2167 | char buff [MAXPATH]; |
1fac938e | 2168 | |
2169 | len = strlen (filespec); | |
9dfe12ae | 2170 | strncpy (buff, filespec, MAXPATH); |
2171 | ||
2172 | /* Only look for directories */ | |
2173 | if (onlydirs && !strstr (&buff [len-5], "*.dir")) | |
2174 | strncat (buff, "*.dir", MAXPATH); | |
1fac938e | 2175 | |
9dfe12ae | 2176 | buff [MAXPATH - 1] = (char) 0; |
1fac938e | 2177 | |
2178 | decc$from_vms (buff, wildcard_translate_unix, 1); | |
2179 | ||
f15731c4 | 2180 | /* Remove the .dir extension. */ |
1fac938e | 2181 | if (onlydirs) |
2182 | { | |
2183 | int i; | |
2184 | char *ext; | |
2185 | ||
2186 | for (i = 0; i < new_canonical_filelist_in_use; i++) | |
2187 | { | |
f15731c4 | 2188 | ext = strstr (new_canonical_filelist[i], ".dir"); |
1fac938e | 2189 | if (ext) |
2190 | *ext = 0; | |
2191 | } | |
2192 | } | |
2193 | ||
2194 | return new_canonical_filelist_in_use; | |
2195 | } | |
2196 | ||
f15731c4 | 2197 | /* Return the next filespec in the list. */ |
1fac938e | 2198 | |
2199 | char * | |
2200 | __gnat_to_canonical_file_list_next () | |
2201 | { | |
f15731c4 | 2202 | return new_canonical_filelist[new_canonical_filelist_index++]; |
1fac938e | 2203 | } |
2204 | ||
f15731c4 | 2205 | /* Free storage used in the wildcard expansion. */ |
1fac938e | 2206 | |
2207 | void | |
2208 | __gnat_to_canonical_file_list_free () | |
2209 | { | |
2210 | int i; | |
2211 | ||
2212 | for (i = 0; i < new_canonical_filelist_in_use; i++) | |
f15731c4 | 2213 | free (new_canonical_filelist[i]); |
1fac938e | 2214 | |
2215 | free (new_canonical_filelist); | |
2216 | ||
2217 | new_canonical_filelist_in_use = 0; | |
2218 | new_canonical_filelist_allocated = 0; | |
2219 | new_canonical_filelist_index = 0; | |
2220 | new_canonical_filelist = 0; | |
2221 | } | |
2222 | ||
f15731c4 | 2223 | /* Translate a VMS syntax directory specification in to Unix syntax. If |
2224 | PREFIXFLAG is set, append an underscore "/". If no indicators of VMS syntax | |
2225 | found, return input string. Also translate a dirname that contains no | |
2226 | slashes, in case it's a logical name. */ | |
1fac938e | 2227 | |
2228 | char * | |
9dfe12ae | 2229 | __gnat_to_canonical_dir_spec (char *dirspec, int prefixflag) |
1fac938e | 2230 | { |
2231 | int len; | |
2232 | ||
2233 | strcpy (new_canonical_dirspec, ""); | |
2234 | if (strlen (dirspec)) | |
2235 | { | |
2236 | char *dirspec1; | |
2237 | ||
2238 | if (strchr (dirspec, ']') || strchr (dirspec, ':')) | |
9dfe12ae | 2239 | { |
2240 | strncpy (new_canonical_dirspec, | |
2241 | (char *) decc$translate_vms (dirspec), | |
2242 | MAXPATH); | |
2243 | } | |
1fac938e | 2244 | else if (!strchr (dirspec, '/') && (dirspec1 = getenv (dirspec)) != 0) |
9dfe12ae | 2245 | { |
2246 | strncpy (new_canonical_dirspec, | |
2247 | (char *) decc$translate_vms (dirspec1), | |
2248 | MAXPATH); | |
2249 | } | |
1fac938e | 2250 | else |
9dfe12ae | 2251 | { |
2252 | strncpy (new_canonical_dirspec, dirspec, MAXPATH); | |
2253 | } | |
1fac938e | 2254 | } |
2255 | ||
2256 | len = strlen (new_canonical_dirspec); | |
9dfe12ae | 2257 | if (prefixflag && new_canonical_dirspec [len-1] != '/') |
2258 | strncat (new_canonical_dirspec, "/", MAXPATH); | |
2259 | ||
2260 | new_canonical_dirspec [MAXPATH - 1] = (char) 0; | |
1fac938e | 2261 | |
2262 | return new_canonical_dirspec; | |
2263 | ||
2264 | } | |
2265 | ||
2266 | /* Translate a VMS syntax file specification into Unix syntax. | |
3cc2671a | 2267 | If no indicators of VMS syntax found, check if it's an uppercase |
23c6b287 | 2268 | alphanumeric_ name and if so try it out as an environment |
2269 | variable (logical name). If all else fails return the | |
2270 | input string. */ | |
1fac938e | 2271 | |
2272 | char * | |
9dfe12ae | 2273 | __gnat_to_canonical_file_spec (char *filespec) |
1fac938e | 2274 | { |
23c6b287 | 2275 | char *filespec1; |
2276 | ||
9dfe12ae | 2277 | strncpy (new_canonical_filespec, "", MAXPATH); |
2278 | ||
1fac938e | 2279 | if (strchr (filespec, ']') || strchr (filespec, ':')) |
9dfe12ae | 2280 | { |
c69ba469 | 2281 | char *tspec = (char *) decc$translate_vms (filespec); |
2282 | ||
2283 | if (tspec != (char *) -1) | |
2284 | strncpy (new_canonical_filespec, tspec, MAXPATH); | |
23c6b287 | 2285 | } |
2286 | else if ((strlen (filespec) == strspn (filespec, | |
2287 | "ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789_")) | |
2288 | && (filespec1 = getenv (filespec))) | |
2289 | { | |
c69ba469 | 2290 | char *tspec = (char *) decc$translate_vms (filespec1); |
2291 | ||
2292 | if (tspec != (char *) -1) | |
2293 | strncpy (new_canonical_filespec, tspec, MAXPATH); | |
9dfe12ae | 2294 | } |
1fac938e | 2295 | else |
9dfe12ae | 2296 | { |
2297 | strncpy (new_canonical_filespec, filespec, MAXPATH); | |
2298 | } | |
2299 | ||
2300 | new_canonical_filespec [MAXPATH - 1] = (char) 0; | |
1fac938e | 2301 | |
2302 | return new_canonical_filespec; | |
2303 | } | |
2304 | ||
2305 | /* Translate a VMS syntax path specification into Unix syntax. | |
f15731c4 | 2306 | If no indicators of VMS syntax found, return input string. */ |
1fac938e | 2307 | |
2308 | char * | |
9dfe12ae | 2309 | __gnat_to_canonical_path_spec (char *pathspec) |
1fac938e | 2310 | { |
9dfe12ae | 2311 | char *curr, *next, buff [MAXPATH]; |
1fac938e | 2312 | |
2313 | if (pathspec == 0) | |
2314 | return pathspec; | |
2315 | ||
f15731c4 | 2316 | /* If there are /'s, assume it's a Unix path spec and return. */ |
1fac938e | 2317 | if (strchr (pathspec, '/')) |
2318 | return pathspec; | |
2319 | ||
f15731c4 | 2320 | new_canonical_pathspec[0] = 0; |
1fac938e | 2321 | curr = pathspec; |
2322 | ||
2323 | for (;;) | |
2324 | { | |
2325 | next = strchr (curr, ','); | |
2326 | if (next == 0) | |
2327 | next = strchr (curr, 0); | |
2328 | ||
2329 | strncpy (buff, curr, next - curr); | |
f15731c4 | 2330 | buff[next - curr] = 0; |
1fac938e | 2331 | |
f15731c4 | 2332 | /* Check for wildcards and expand if present. */ |
1fac938e | 2333 | if (strchr (buff, '*') || strchr (buff, '%') || strstr (buff, "...")) |
2334 | { | |
2335 | int i, dirs; | |
2336 | ||
2337 | dirs = __gnat_to_canonical_file_list_init (buff, 1); | |
2338 | for (i = 0; i < dirs; i++) | |
2339 | { | |
2340 | char *next_dir; | |
2341 | ||
2342 | next_dir = __gnat_to_canonical_file_list_next (); | |
9dfe12ae | 2343 | strncat (new_canonical_pathspec, next_dir, MAXPATH); |
1fac938e | 2344 | |
f15731c4 | 2345 | /* Don't append the separator after the last expansion. */ |
1fac938e | 2346 | if (i+1 < dirs) |
9dfe12ae | 2347 | strncat (new_canonical_pathspec, ":", MAXPATH); |
1fac938e | 2348 | } |
2349 | ||
2350 | __gnat_to_canonical_file_list_free (); | |
2351 | } | |
2352 | else | |
9dfe12ae | 2353 | strncat (new_canonical_pathspec, |
2354 | __gnat_to_canonical_dir_spec (buff, 0), MAXPATH); | |
1fac938e | 2355 | |
2356 | if (*next == 0) | |
2357 | break; | |
2358 | ||
9dfe12ae | 2359 | strncat (new_canonical_pathspec, ":", MAXPATH); |
1fac938e | 2360 | curr = next + 1; |
2361 | } | |
2362 | ||
9dfe12ae | 2363 | new_canonical_pathspec [MAXPATH - 1] = (char) 0; |
2364 | ||
1fac938e | 2365 | return new_canonical_pathspec; |
2366 | } | |
2367 | ||
9dfe12ae | 2368 | static char filename_buff [MAXPATH]; |
1fac938e | 2369 | |
2370 | static int | |
9dfe12ae | 2371 | translate_unix (char *name, int type) |
1fac938e | 2372 | { |
9dfe12ae | 2373 | strncpy (filename_buff, name, MAXPATH); |
2374 | filename_buff [MAXPATH - 1] = (char) 0; | |
1fac938e | 2375 | return 0; |
2376 | } | |
2377 | ||
f15731c4 | 2378 | /* Translate a Unix syntax path spec into a VMS style (comma separated list of |
2379 | directories. */ | |
1fac938e | 2380 | |
2381 | static char * | |
9dfe12ae | 2382 | to_host_path_spec (char *pathspec) |
1fac938e | 2383 | { |
9dfe12ae | 2384 | char *curr, *next, buff [MAXPATH]; |
1fac938e | 2385 | |
2386 | if (pathspec == 0) | |
2387 | return pathspec; | |
2388 | ||
f15731c4 | 2389 | /* Can't very well test for colons, since that's the Unix separator! */ |
1fac938e | 2390 | if (strchr (pathspec, ']') || strchr (pathspec, ',')) |
2391 | return pathspec; | |
2392 | ||
f15731c4 | 2393 | new_host_pathspec[0] = 0; |
1fac938e | 2394 | curr = pathspec; |
2395 | ||
2396 | for (;;) | |
2397 | { | |
2398 | next = strchr (curr, ':'); | |
2399 | if (next == 0) | |
2400 | next = strchr (curr, 0); | |
2401 | ||
2402 | strncpy (buff, curr, next - curr); | |
f15731c4 | 2403 | buff[next - curr] = 0; |
1fac938e | 2404 | |
9dfe12ae | 2405 | strncat (new_host_pathspec, __gnat_to_host_dir_spec (buff, 0), MAXPATH); |
1fac938e | 2406 | if (*next == 0) |
2407 | break; | |
9dfe12ae | 2408 | strncat (new_host_pathspec, ",", MAXPATH); |
1fac938e | 2409 | curr = next + 1; |
2410 | } | |
2411 | ||
9dfe12ae | 2412 | new_host_pathspec [MAXPATH - 1] = (char) 0; |
2413 | ||
1fac938e | 2414 | return new_host_pathspec; |
2415 | } | |
2416 | ||
f15731c4 | 2417 | /* Translate a Unix syntax directory specification into VMS syntax. The |
2418 | PREFIXFLAG has no effect, but is kept for symmetry with | |
2419 | to_canonical_dir_spec. If indicators of VMS syntax found, return input | |
2420 | string. */ | |
1fac938e | 2421 | |
2422 | char * | |
9dfe12ae | 2423 | __gnat_to_host_dir_spec (char *dirspec, int prefixflag ATTRIBUTE_UNUSED) |
1fac938e | 2424 | { |
2425 | int len = strlen (dirspec); | |
2426 | ||
9dfe12ae | 2427 | strncpy (new_host_dirspec, dirspec, MAXPATH); |
2428 | new_host_dirspec [MAXPATH - 1] = (char) 0; | |
1fac938e | 2429 | |
2430 | if (strchr (new_host_dirspec, ']') || strchr (new_host_dirspec, ':')) | |
2431 | return new_host_dirspec; | |
2432 | ||
f15731c4 | 2433 | while (len > 1 && new_host_dirspec[len - 1] == '/') |
1fac938e | 2434 | { |
f15731c4 | 2435 | new_host_dirspec[len - 1] = 0; |
1fac938e | 2436 | len--; |
2437 | } | |
2438 | ||
2439 | decc$to_vms (new_host_dirspec, translate_unix, 1, 2); | |
9dfe12ae | 2440 | strncpy (new_host_dirspec, filename_buff, MAXPATH); |
2441 | new_host_dirspec [MAXPATH - 1] = (char) 0; | |
1fac938e | 2442 | |
2443 | return new_host_dirspec; | |
1fac938e | 2444 | } |
2445 | ||
2446 | /* Translate a Unix syntax file specification into VMS syntax. | |
f15731c4 | 2447 | If indicators of VMS syntax found, return input string. */ |
1fac938e | 2448 | |
2449 | char * | |
9dfe12ae | 2450 | __gnat_to_host_file_spec (char *filespec) |
1fac938e | 2451 | { |
9dfe12ae | 2452 | strncpy (new_host_filespec, "", MAXPATH); |
1fac938e | 2453 | if (strchr (filespec, ']') || strchr (filespec, ':')) |
9dfe12ae | 2454 | { |
2455 | strncpy (new_host_filespec, filespec, MAXPATH); | |
2456 | } | |
1fac938e | 2457 | else |
2458 | { | |
2459 | decc$to_vms (filespec, translate_unix, 1, 1); | |
9dfe12ae | 2460 | strncpy (new_host_filespec, filename_buff, MAXPATH); |
1fac938e | 2461 | } |
2462 | ||
9dfe12ae | 2463 | new_host_filespec [MAXPATH - 1] = (char) 0; |
2464 | ||
1fac938e | 2465 | return new_host_filespec; |
2466 | } | |
2467 | ||
2468 | void | |
2469 | __gnat_adjust_os_resource_limits () | |
2470 | { | |
2471 | SYS$ADJWSL (131072, 0); | |
2472 | } | |
2473 | ||
9dfe12ae | 2474 | #else /* VMS */ |
1fac938e | 2475 | |
f15731c4 | 2476 | /* Dummy functions for Osint import for non-VMS systems. */ |
1fac938e | 2477 | |
2478 | int | |
9dfe12ae | 2479 | __gnat_to_canonical_file_list_init |
2480 | (char *dirspec ATTRIBUTE_UNUSED, int onlydirs ATTRIBUTE_UNUSED) | |
1fac938e | 2481 | { |
2482 | return 0; | |
2483 | } | |
2484 | ||
2485 | char * | |
6f2c2693 | 2486 | __gnat_to_canonical_file_list_next (void) |
1fac938e | 2487 | { |
2488 | return (char *) ""; | |
2489 | } | |
2490 | ||
2491 | void | |
6f2c2693 | 2492 | __gnat_to_canonical_file_list_free (void) |
1fac938e | 2493 | { |
2494 | } | |
2495 | ||
2496 | char * | |
9dfe12ae | 2497 | __gnat_to_canonical_dir_spec (char *dirspec, int prefixflag ATTRIBUTE_UNUSED) |
1fac938e | 2498 | { |
2499 | return dirspec; | |
2500 | } | |
2501 | ||
2502 | char * | |
9dfe12ae | 2503 | __gnat_to_canonical_file_spec (char *filespec) |
1fac938e | 2504 | { |
2505 | return filespec; | |
2506 | } | |
2507 | ||
2508 | char * | |
9dfe12ae | 2509 | __gnat_to_canonical_path_spec (char *pathspec) |
1fac938e | 2510 | { |
2511 | return pathspec; | |
2512 | } | |
2513 | ||
2514 | char * | |
9dfe12ae | 2515 | __gnat_to_host_dir_spec (char *dirspec, int prefixflag ATTRIBUTE_UNUSED) |
1fac938e | 2516 | { |
2517 | return dirspec; | |
2518 | } | |
2519 | ||
2520 | char * | |
9dfe12ae | 2521 | __gnat_to_host_file_spec (char *filespec) |
1fac938e | 2522 | { |
2523 | return filespec; | |
2524 | } | |
2525 | ||
2526 | void | |
6f2c2693 | 2527 | __gnat_adjust_os_resource_limits (void) |
1fac938e | 2528 | { |
2529 | } | |
2530 | ||
2531 | #endif | |
2532 | ||
f15731c4 | 2533 | /* For EMX, we cannot include dummy in libgcc, since it is too difficult |
1fac938e | 2534 | to coordinate this with the EMX distribution. Consequently, we put the |
f15731c4 | 2535 | definition of dummy which is used for exception handling, here. */ |
1fac938e | 2536 | |
2537 | #if defined (__EMX__) | |
2538 | void __dummy () {} | |
2539 | #endif | |
2540 | ||
2541 | #if defined (__mips_vxworks) | |
9dfe12ae | 2542 | int |
2543 | _flush_cache() | |
1fac938e | 2544 | { |
2545 | CACHE_USER_FLUSH (0, ENTIRE_CACHE); | |
2546 | } | |
2547 | #endif | |
2548 | ||
2549 | #if defined (CROSS_COMPILE) \ | |
a3b0f4f2 | 2550 | || (! ((defined (sparc) || defined (i386)) && defined (sun) \ |
2551 | && defined (__SVR4)) \ | |
c69ba469 | 2552 | && ! (defined (linux) && (defined (i386) || defined (__x86_64__))) \ |
a3b0f4f2 | 2553 | && ! (defined (linux) && defined (__ia64__)) \ |
40a4417a | 2554 | && ! defined (__FreeBSD__) \ |
21a87c1d | 2555 | && ! defined (__hpux__) \ |
ba706ed3 | 2556 | && ! defined (__APPLE__) \ |
9dfe12ae | 2557 | && ! defined (_AIX) \ |
1fac938e | 2558 | && ! (defined (__alpha__) && defined (__osf__)) \ |
80d4fec4 | 2559 | && ! defined (__MINGW32__) \ |
2560 | && ! (defined (__mips) && defined (__sgi))) | |
f15731c4 | 2561 | |
a3b0f4f2 | 2562 | /* Dummy function to satisfy g-trasym.o. See the preprocessor conditional |
2563 | just above for a list of native platforms that provide a non-dummy | |
2564 | version of this procedure in libaddr2line.a. */ | |
1fac938e | 2565 | |
2566 | void | |
9dfe12ae | 2567 | convert_addresses (void *addrs ATTRIBUTE_UNUSED, |
2568 | int n_addr ATTRIBUTE_UNUSED, | |
2569 | void *buf ATTRIBUTE_UNUSED, | |
2570 | int *len ATTRIBUTE_UNUSED) | |
1fac938e | 2571 | { |
2572 | *len = 0; | |
2573 | } | |
2574 | #endif | |
f15731c4 | 2575 | |
2576 | #if defined (_WIN32) | |
2577 | int __gnat_argument_needs_quote = 1; | |
2578 | #else | |
2579 | int __gnat_argument_needs_quote = 0; | |
2580 | #endif | |
9dfe12ae | 2581 | |
2582 | /* This option is used to enable/disable object files handling from the | |
2583 | binder file by the GNAT Project module. For example, this is disabled on | |
e0f42093 | 2584 | Windows (prior to GCC 3.4) as it is already done by the mdll module. |
2585 | Stating with GCC 3.4 the shared libraries are not based on mdll | |
2586 | anymore as it uses the GCC's -shared option */ | |
2587 | #if defined (_WIN32) \ | |
2588 | && ((__GNUC__ < 3) || ((__GNUC__ == 3) && (__GNUC_MINOR__ < 4))) | |
9dfe12ae | 2589 | int __gnat_prj_add_obj_files = 0; |
2590 | #else | |
2591 | int __gnat_prj_add_obj_files = 1; | |
2592 | #endif | |
2593 | ||
2594 | /* char used as prefix/suffix for environment variables */ | |
2595 | #if defined (_WIN32) | |
2596 | char __gnat_environment_char = '%'; | |
2597 | #else | |
2598 | char __gnat_environment_char = '$'; | |
2599 | #endif | |
2600 | ||
2601 | /* This functions copy the file attributes from a source file to a | |
2602 | destination file. | |
2603 | ||
2604 | mode = 0 : In this mode copy only the file time stamps (last access and | |
2605 | last modification time stamps). | |
2606 | ||
2607 | mode = 1 : In this mode, time stamps and read/write/execute attributes are | |
2608 | copied. | |
2609 | ||
2610 | Returns 0 if operation was successful and -1 in case of error. */ | |
2611 | ||
2612 | int | |
2613 | __gnat_copy_attribs (char *from, char *to, int mode) | |
2614 | { | |
2615 | #if defined (VMS) || defined (__vxworks) | |
2616 | return -1; | |
2617 | #else | |
2618 | struct stat fbuf; | |
2619 | struct utimbuf tbuf; | |
2620 | ||
2621 | if (stat (from, &fbuf) == -1) | |
2622 | { | |
2623 | return -1; | |
2624 | } | |
2625 | ||
2626 | tbuf.actime = fbuf.st_atime; | |
2627 | tbuf.modtime = fbuf.st_mtime; | |
2628 | ||
2629 | if (utime (to, &tbuf) == -1) | |
2630 | { | |
2631 | return -1; | |
2632 | } | |
2633 | ||
2634 | if (mode == 1) | |
2635 | { | |
2636 | if (chmod (to, fbuf.st_mode) == -1) | |
2637 | { | |
2638 | return -1; | |
2639 | } | |
2640 | } | |
2641 | ||
2642 | return 0; | |
2643 | #endif | |
2644 | } | |
2645 | ||
cf6d853e | 2646 | int |
2647 | __gnat_lseek (int fd, long offset, int whence) | |
2648 | { | |
2649 | return (int) lseek (fd, offset, whence); | |
2650 | } | |
0914a918 | 2651 | |
2652 | /* This function returns the version of GCC being used. Here it's GCC 3. */ | |
2653 | int | |
2654 | get_gcc_version (void) | |
2655 | { | |
2656 | return 3; | |
2657 | } | |
6d9c3443 | 2658 | |
2659 | int | |
de10c095 | 2660 | __gnat_set_close_on_exec (int fd ATTRIBUTE_UNUSED, |
2661 | int close_on_exec_p ATTRIBUTE_UNUSED) | |
6d9c3443 | 2662 | { |
2663 | #if defined (F_GETFD) && defined (FD_CLOEXEC) && ! defined (__vxworks) | |
2664 | int flags = fcntl (fd, F_GETFD, 0); | |
2665 | if (flags < 0) | |
2666 | return flags; | |
2667 | if (close_on_exec_p) | |
2668 | flags |= FD_CLOEXEC; | |
2669 | else | |
2670 | flags &= ~FD_CLOEXEC; | |
2671 | return fcntl (fd, F_SETFD, flags | FD_CLOEXEC); | |
2672 | #else | |
2673 | return -1; | |
2674 | /* For the Windows case, we should use SetHandleInformation to remove | |
2675 | the HANDLE_INHERIT property from fd. This is not implemented yet, | |
2676 | but for our purposes (support of GNAT.Expect) this does not matter, | |
2677 | as by default handles are *not* inherited. */ | |
2678 | #endif | |
2679 | } | |
fb31b465 | 2680 | |
2681 | /* Indicates if platforms supports automatic initialization through the | |
2682 | constructor mechanism */ | |
2683 | int | |
2684 | __gnat_binder_supports_auto_init () | |
2685 | { | |
2686 | #ifdef VMS | |
2687 | return 0; | |
2688 | #else | |
2689 | return 1; | |
2690 | #endif | |
2691 | } | |
2692 | ||
2693 | /* Indicates that Stand-Alone Libraries are automatically initialized through | |
2694 | the constructor mechanism */ | |
2695 | int | |
2696 | __gnat_sals_init_using_constructors () | |
2697 | { | |
2698 | #if defined (__vxworks) || defined (__Lynx__) || defined (VMS) | |
2699 | return 0; | |
2700 | #else | |
2701 | return 1; | |
2702 | #endif | |
2703 | } |