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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 | * * | |
1aa4b9ce | 9 | * Copyright (C) 1992-2007, 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" | |
e2c62f37 | 76 | #include "version.h" |
1fac938e | 77 | #endif |
9dfe12ae | 78 | |
e2a33c18 | 79 | #if defined (RTX) |
80 | #include <windows.h> | |
81 | #include <Rtapi.h> | |
82 | #include <sys/utime.h> | |
83 | ||
84 | #elif defined (__MINGW32__) | |
2359306a | 85 | |
9dfe12ae | 86 | #include "mingw32.h" |
87 | #include <sys/utime.h> | |
f0a28ccb | 88 | #include <ctype.h> |
2359306a | 89 | |
90 | #elif defined (__Lynx__) | |
91 | ||
92 | /* Lynx utime.h only defines the entities of interest to us if | |
93 | defined (VMOS_DEV), so ... */ | |
94 | #define VMOS_DEV | |
95 | #include <utime.h> | |
96 | #undef VMOS_DEV | |
97 | ||
98 | #elif !defined (VMS) | |
9dfe12ae | 99 | #include <utime.h> |
9dfe12ae | 100 | #endif |
101 | ||
5091bc2f | 102 | /* wait.h processing */ |
9dfe12ae | 103 | #ifdef __MINGW32__ |
104 | #if OLD_MINGW | |
1fac938e | 105 | #include <sys/wait.h> |
9dfe12ae | 106 | #endif |
8ffbc401 | 107 | #elif defined (__vxworks) && defined (__RTP__) |
108 | #include <wait.h> | |
2359306a | 109 | #elif defined (__Lynx__) |
110 | /* ??? We really need wait.h and it includes resource.h on Lynx. GCC | |
111 | has a resource.h header as well, included instead of the lynx | |
112 | version in our setup, causing lots of errors. We don't really need | |
113 | the lynx contents of this file, so just workaround the issue by | |
114 | preventing the inclusion of the GCC header from doing anything. */ | |
115 | #define GCC_RESOURCE_H | |
116 | #include <sys/wait.h> | |
5091bc2f | 117 | #elif defined (__nucleus__) |
118 | /* No wait() or waitpid() calls available */ | |
9dfe12ae | 119 | #else |
5091bc2f | 120 | /* Default case */ |
9dfe12ae | 121 | #include <sys/wait.h> |
122 | #endif | |
1fac938e | 123 | |
d8dd2062 | 124 | #if defined (__EMX__) || defined (MSDOS) || defined (_WIN32) |
125 | #elif defined (VMS) | |
71a3e619 | 126 | |
f15731c4 | 127 | /* Header files and definitions for __gnat_set_file_time_name. */ |
71a3e619 | 128 | |
8620a406 | 129 | #define __NEW_STARLET 1 |
ba706ed3 | 130 | #include <vms/rms.h> |
131 | #include <vms/atrdef.h> | |
132 | #include <vms/fibdef.h> | |
133 | #include <vms/stsdef.h> | |
134 | #include <vms/iodef.h> | |
d8dd2062 | 135 | #include <errno.h> |
ba706ed3 | 136 | #include <vms/descrip.h> |
d8dd2062 | 137 | #include <string.h> |
138 | #include <unixlib.h> | |
139 | ||
f15731c4 | 140 | /* Use native 64-bit arithmetic. */ |
d8dd2062 | 141 | #define unix_time_to_vms(X,Y) \ |
142 | { unsigned long long reftime, tmptime = (X); \ | |
143 | $DESCRIPTOR (unixtime,"1-JAN-1970 0:00:00.00"); \ | |
144 | SYS$BINTIM (&unixtime, &reftime); \ | |
145 | Y = tmptime * 10000000 + reftime; } | |
146 | ||
147 | /* descrip.h doesn't have everything ... */ | |
8620a406 | 148 | typedef struct fibdef* __fibdef_ptr32 __attribute__ (( mode (SI) )); |
d8dd2062 | 149 | struct dsc$descriptor_fib |
150 | { | |
8620a406 | 151 | unsigned int fib$l_len; |
152 | __fibdef_ptr32 fib$l_addr; | |
d8dd2062 | 153 | }; |
154 | ||
71a3e619 | 155 | /* I/O Status Block. */ |
d8dd2062 | 156 | struct IOSB |
9dfe12ae | 157 | { |
d8dd2062 | 158 | unsigned short status, count; |
8620a406 | 159 | unsigned int devdep; |
d8dd2062 | 160 | }; |
161 | ||
162 | static char *tryfile; | |
163 | ||
71a3e619 | 164 | /* Variable length string. */ |
d8dd2062 | 165 | struct vstring |
166 | { | |
167 | short length; | |
f15731c4 | 168 | char string[NAM$C_MAXRSS+1]; |
d8dd2062 | 169 | }; |
170 | ||
d8dd2062 | 171 | #else |
172 | #include <utime.h> | |
173 | #endif | |
174 | ||
1fac938e | 175 | #if defined (__EMX__) || defined (MSDOS) || defined (_WIN32) |
176 | #include <process.h> | |
177 | #endif | |
178 | ||
179 | #if defined (_WIN32) | |
180 | #include <dir.h> | |
181 | #include <windows.h> | |
fef772a5 | 182 | #undef DIR_SEPARATOR |
183 | #define DIR_SEPARATOR '\\' | |
1fac938e | 184 | #endif |
185 | ||
186 | #include "adaint.h" | |
187 | ||
188 | /* Define symbols O_BINARY and O_TEXT as harmless zeroes if they are not | |
189 | defined in the current system. On DOS-like systems these flags control | |
190 | whether the file is opened/created in text-translation mode (CR/LF in | |
191 | external file mapped to LF in internal file), but in Unix-like systems, | |
192 | no text translation is required, so these flags have no effect. */ | |
193 | ||
194 | #if defined (__EMX__) | |
195 | #include <os2.h> | |
196 | #endif | |
197 | ||
198 | #if defined (MSDOS) | |
199 | #include <dos.h> | |
200 | #endif | |
201 | ||
202 | #ifndef O_BINARY | |
203 | #define O_BINARY 0 | |
204 | #endif | |
205 | ||
206 | #ifndef O_TEXT | |
207 | #define O_TEXT 0 | |
208 | #endif | |
209 | ||
210 | #ifndef HOST_EXECUTABLE_SUFFIX | |
211 | #define HOST_EXECUTABLE_SUFFIX "" | |
212 | #endif | |
213 | ||
214 | #ifndef HOST_OBJECT_SUFFIX | |
215 | #define HOST_OBJECT_SUFFIX ".o" | |
216 | #endif | |
217 | ||
218 | #ifndef PATH_SEPARATOR | |
219 | #define PATH_SEPARATOR ':' | |
220 | #endif | |
221 | ||
222 | #ifndef DIR_SEPARATOR | |
223 | #define DIR_SEPARATOR '/' | |
224 | #endif | |
225 | ||
a3b0f4f2 | 226 | /* Check for cross-compilation */ |
29d774d0 | 227 | #ifdef CROSS_DIRECTORY_STRUCTURE |
a3b0f4f2 | 228 | int __gnat_is_cross_compiler = 1; |
229 | #else | |
230 | int __gnat_is_cross_compiler = 0; | |
231 | #endif | |
232 | ||
1fac938e | 233 | char __gnat_dir_separator = DIR_SEPARATOR; |
234 | ||
235 | char __gnat_path_separator = PATH_SEPARATOR; | |
236 | ||
237 | /* The GNAT_LIBRARY_TEMPLATE contains a list of expressions that define | |
238 | the base filenames that libraries specified with -lsomelib options | |
239 | may have. This is used by GNATMAKE to check whether an executable | |
240 | is up-to-date or not. The syntax is | |
241 | ||
242 | library_template ::= { pattern ; } pattern NUL | |
243 | pattern ::= [ prefix ] * [ postfix ] | |
244 | ||
245 | These should only specify names of static libraries as it makes | |
246 | no sense to determine at link time if dynamic-link libraries are | |
247 | up to date or not. Any libraries that are not found are supposed | |
248 | to be up-to-date: | |
249 | ||
250 | * if they are needed but not present, the link | |
251 | will fail, | |
252 | ||
253 | * otherwise they are libraries in the system paths and so | |
254 | they are considered part of the system and not checked | |
255 | for that reason. | |
256 | ||
257 | ??? This should be part of a GNAT host-specific compiler | |
258 | file instead of being included in all user applications | |
f15731c4 | 259 | as well. This is only a temporary work-around for 3.11b. */ |
1fac938e | 260 | |
261 | #ifndef GNAT_LIBRARY_TEMPLATE | |
f15731c4 | 262 | #if defined (__EMX__) |
1fac938e | 263 | #define GNAT_LIBRARY_TEMPLATE "*.a" |
f15731c4 | 264 | #elif defined (VMS) |
1fac938e | 265 | #define GNAT_LIBRARY_TEMPLATE "*.olb" |
266 | #else | |
267 | #define GNAT_LIBRARY_TEMPLATE "lib*.a" | |
268 | #endif | |
269 | #endif | |
270 | ||
271 | const char *__gnat_library_template = GNAT_LIBRARY_TEMPLATE; | |
272 | ||
f15731c4 | 273 | /* This variable is used in hostparm.ads to say whether the host is a VMS |
274 | system. */ | |
275 | #ifdef VMS | |
276 | const int __gnat_vmsp = 1; | |
277 | #else | |
278 | const int __gnat_vmsp = 0; | |
279 | #endif | |
280 | ||
e633acdc | 281 | #ifdef __EMX__ |
9dfe12ae | 282 | #define GNAT_MAX_PATH_LEN MAX_PATH |
e633acdc | 283 | |
284 | #elif defined (VMS) | |
9dfe12ae | 285 | #define GNAT_MAX_PATH_LEN 256 /* PATH_MAX */ |
e633acdc | 286 | |
5091bc2f | 287 | #elif defined (__vxworks) || defined (__OPENNT) || defined(__nucleus__) |
9dfe12ae | 288 | #define GNAT_MAX_PATH_LEN PATH_MAX |
289 | ||
290 | #else | |
291 | ||
292 | #if defined (__MINGW32__) | |
293 | #include "mingw32.h" | |
294 | ||
295 | #if OLD_MINGW | |
296 | #include <sys/param.h> | |
297 | #endif | |
e633acdc | 298 | |
299 | #else | |
300 | #include <sys/param.h> | |
9dfe12ae | 301 | #endif |
302 | ||
8ae72cac | 303 | #ifdef MAXPATHLEN |
9dfe12ae | 304 | #define GNAT_MAX_PATH_LEN MAXPATHLEN |
8ae72cac | 305 | #else |
306 | #define GNAT_MAX_PATH_LEN 256 | |
307 | #endif | |
e633acdc | 308 | |
309 | #endif | |
310 | ||
9dfe12ae | 311 | /* The __gnat_max_path_len variable is used to export the maximum |
312 | length of a path name to Ada code. max_path_len is also provided | |
313 | for compatibility with older GNAT versions, please do not use | |
314 | it. */ | |
315 | ||
316 | int __gnat_max_path_len = GNAT_MAX_PATH_LEN; | |
317 | int max_path_len = GNAT_MAX_PATH_LEN; | |
318 | ||
1fac938e | 319 | /* The following macro HAVE_READDIR_R should be defined if the |
f15731c4 | 320 | system provides the routine readdir_r. */ |
1fac938e | 321 | #undef HAVE_READDIR_R |
322 | \f | |
6d9c3443 | 323 | #if defined(VMS) && defined (__LONG_POINTERS) |
324 | ||
325 | /* Return a 32 bit pointer to an array of 32 bit pointers | |
326 | given a 64 bit pointer to an array of 64 bit pointers */ | |
327 | ||
328 | typedef __char_ptr32 *__char_ptr_char_ptr32 __attribute__ ((mode (SI))); | |
329 | ||
330 | static __char_ptr_char_ptr32 | |
331 | to_ptr32 (char **ptr64) | |
332 | { | |
333 | int argc; | |
334 | __char_ptr_char_ptr32 short_argv; | |
335 | ||
336 | for (argc=0; ptr64[argc]; argc++); | |
337 | ||
338 | /* Reallocate argv with 32 bit pointers. */ | |
339 | short_argv = (__char_ptr_char_ptr32) decc$malloc | |
340 | (sizeof (__char_ptr32) * (argc + 1)); | |
341 | ||
342 | for (argc=0; ptr64[argc]; argc++) | |
343 | short_argv[argc] = (__char_ptr32) decc$strdup (ptr64[argc]); | |
344 | ||
345 | short_argv[argc] = (__char_ptr32) 0; | |
346 | return short_argv; | |
347 | ||
348 | } | |
349 | #define MAYBE_TO_PTR32(argv) to_ptr32 (argv) | |
350 | #else | |
351 | #define MAYBE_TO_PTR32(argv) argv | |
352 | #endif | |
353 | ||
1e622f0e | 354 | OS_Time |
355 | __gnat_current_time | |
356 | (void) | |
357 | { | |
358 | time_t res = time (NULL); | |
359 | return (OS_Time) res; | |
360 | } | |
361 | ||
1fac938e | 362 | void |
9dfe12ae | 363 | __gnat_to_gm_time |
364 | (OS_Time *p_time, | |
365 | int *p_year, | |
366 | int *p_month, | |
367 | int *p_day, | |
368 | int *p_hours, | |
369 | int *p_mins, | |
370 | int *p_secs) | |
1fac938e | 371 | { |
372 | struct tm *res; | |
9dfe12ae | 373 | time_t time = (time_t) *p_time; |
1fac938e | 374 | |
375 | #ifdef _WIN32 | |
376 | /* On Windows systems, the time is sometimes rounded up to the nearest | |
377 | even second, so if the number of seconds is odd, increment it. */ | |
378 | if (time & 1) | |
379 | time++; | |
380 | #endif | |
381 | ||
9dfe12ae | 382 | #ifdef VMS |
383 | res = localtime (&time); | |
384 | #else | |
1fac938e | 385 | res = gmtime (&time); |
9dfe12ae | 386 | #endif |
1fac938e | 387 | |
388 | if (res) | |
389 | { | |
390 | *p_year = res->tm_year; | |
391 | *p_month = res->tm_mon; | |
392 | *p_day = res->tm_mday; | |
393 | *p_hours = res->tm_hour; | |
394 | *p_mins = res->tm_min; | |
395 | *p_secs = res->tm_sec; | |
f15731c4 | 396 | } |
1fac938e | 397 | else |
398 | *p_year = *p_month = *p_day = *p_hours = *p_mins = *p_secs = 0; | |
399 | } | |
400 | ||
401 | /* Place the contents of the symbolic link named PATH in the buffer BUF, | |
402 | which has size BUFSIZ. If PATH is a symbolic link, then return the number | |
5091bc2f | 403 | of characters of its content in BUF. Otherwise, return -1. |
404 | For systems not supporting symbolic links, always return -1. */ | |
1fac938e | 405 | |
9dfe12ae | 406 | int |
f0a28ccb | 407 | __gnat_readlink (char *path ATTRIBUTE_UNUSED, |
408 | char *buf ATTRIBUTE_UNUSED, | |
409 | size_t bufsiz ATTRIBUTE_UNUSED) | |
1fac938e | 410 | { |
5091bc2f | 411 | #if defined (MSDOS) || defined (_WIN32) || defined (__EMX__) \ |
acc10cf1 | 412 | || defined (VMS) || defined(__vxworks) || defined (__nucleus__) |
1fac938e | 413 | return -1; |
414 | #else | |
415 | return readlink (path, buf, bufsiz); | |
416 | #endif | |
417 | } | |
418 | ||
5091bc2f | 419 | /* Creates a symbolic link named NEWPATH which contains the string OLDPATH. |
420 | If NEWPATH exists it will NOT be overwritten. | |
421 | For systems not supporting symbolic links, always return -1. */ | |
1fac938e | 422 | |
423 | int | |
f0a28ccb | 424 | __gnat_symlink (char *oldpath ATTRIBUTE_UNUSED, |
425 | char *newpath ATTRIBUTE_UNUSED) | |
1fac938e | 426 | { |
5091bc2f | 427 | #if defined (MSDOS) || defined (_WIN32) || defined (__EMX__) \ |
acc10cf1 | 428 | || defined (VMS) || defined(__vxworks) || defined (__nucleus__) |
1fac938e | 429 | return -1; |
430 | #else | |
431 | return symlink (oldpath, newpath); | |
432 | #endif | |
433 | } | |
434 | ||
f15731c4 | 435 | /* Try to lock a file, return 1 if success. */ |
1fac938e | 436 | |
5091bc2f | 437 | #if defined (__vxworks) || defined (__nucleus__) || defined (MSDOS) || defined (_WIN32) |
1fac938e | 438 | |
439 | /* Version that does not use link. */ | |
440 | ||
441 | int | |
9dfe12ae | 442 | __gnat_try_lock (char *dir, char *file) |
1fac938e | 443 | { |
1fac938e | 444 | int fd; |
3b18b370 | 445 | #ifdef __MINGW32__ |
446 | TCHAR wfull_path[GNAT_MAX_PATH_LEN]; | |
447 | TCHAR wfile[GNAT_MAX_PATH_LEN]; | |
448 | TCHAR wdir[GNAT_MAX_PATH_LEN]; | |
449 | ||
1e622f0e | 450 | S2WSU (wdir, dir, GNAT_MAX_PATH_LEN); |
451 | S2WSU (wfile, file, GNAT_MAX_PATH_LEN); | |
3b18b370 | 452 | |
453 | _stprintf (wfull_path, _T("%s%c%s"), wdir, _T(DIR_SEPARATOR), wfile); | |
454 | fd = _topen (wfull_path, O_CREAT | O_EXCL, 0600); | |
455 | #else | |
456 | char full_path[256]; | |
1fac938e | 457 | |
458 | sprintf (full_path, "%s%c%s", dir, DIR_SEPARATOR, file); | |
459 | fd = open (full_path, O_CREAT | O_EXCL, 0600); | |
3b18b370 | 460 | #endif |
461 | ||
f15731c4 | 462 | if (fd < 0) |
1fac938e | 463 | return 0; |
f15731c4 | 464 | |
1fac938e | 465 | close (fd); |
466 | return 1; | |
467 | } | |
468 | ||
469 | #elif defined (__EMX__) || defined (VMS) | |
470 | ||
471 | /* More cases that do not use link; identical code, to solve too long | |
472 | line problem ??? */ | |
473 | ||
474 | int | |
9dfe12ae | 475 | __gnat_try_lock (char *dir, char *file) |
1fac938e | 476 | { |
f15731c4 | 477 | char full_path[256]; |
1fac938e | 478 | int fd; |
479 | ||
480 | sprintf (full_path, "%s%c%s", dir, DIR_SEPARATOR, file); | |
481 | fd = open (full_path, O_CREAT | O_EXCL, 0600); | |
3b18b370 | 482 | |
1fac938e | 483 | if (fd < 0) |
484 | return 0; | |
485 | ||
486 | close (fd); | |
487 | return 1; | |
488 | } | |
489 | ||
490 | #else | |
f15731c4 | 491 | |
1fac938e | 492 | /* Version using link(), more secure over NFS. */ |
9dfe12ae | 493 | /* See TN 6913-016 for discussion ??? */ |
1fac938e | 494 | |
495 | int | |
9dfe12ae | 496 | __gnat_try_lock (char *dir, char *file) |
1fac938e | 497 | { |
f15731c4 | 498 | char full_path[256]; |
499 | char temp_file[256]; | |
1fac938e | 500 | struct stat stat_result; |
501 | int fd; | |
502 | ||
503 | sprintf (full_path, "%s%c%s", dir, DIR_SEPARATOR, file); | |
4a3f445c | 504 | sprintf (temp_file, "%s%cTMP-%ld-%ld", |
505 | dir, DIR_SEPARATOR, (long)getpid(), (long)getppid ()); | |
1fac938e | 506 | |
f15731c4 | 507 | /* Create the temporary file and write the process number. */ |
1fac938e | 508 | fd = open (temp_file, O_CREAT | O_WRONLY, 0600); |
509 | if (fd < 0) | |
510 | return 0; | |
511 | ||
512 | close (fd); | |
513 | ||
f15731c4 | 514 | /* Link it with the new file. */ |
1fac938e | 515 | link (temp_file, full_path); |
516 | ||
517 | /* Count the references on the old one. If we have a count of two, then | |
f15731c4 | 518 | the link did succeed. Remove the temporary file before returning. */ |
1fac938e | 519 | __gnat_stat (temp_file, &stat_result); |
520 | unlink (temp_file); | |
521 | return stat_result.st_nlink == 2; | |
522 | } | |
523 | #endif | |
524 | ||
525 | /* Return the maximum file name length. */ | |
526 | ||
527 | int | |
6f2c2693 | 528 | __gnat_get_maximum_file_name_length (void) |
1fac938e | 529 | { |
f15731c4 | 530 | #if defined (MSDOS) |
1fac938e | 531 | return 8; |
532 | #elif defined (VMS) | |
533 | if (getenv ("GNAT$EXTENDED_FILE_SPECIFICATIONS")) | |
534 | return -1; | |
535 | else | |
536 | return 39; | |
537 | #else | |
538 | return -1; | |
539 | #endif | |
540 | } | |
541 | ||
1fac938e | 542 | /* Return nonzero if file names are case sensitive. */ |
543 | ||
544 | int | |
6f2c2693 | 545 | __gnat_get_file_names_case_sensitive (void) |
1fac938e | 546 | { |
f15731c4 | 547 | #if defined (__EMX__) || defined (MSDOS) || defined (VMS) || defined (WINNT) |
1fac938e | 548 | return 0; |
549 | #else | |
550 | return 1; | |
551 | #endif | |
552 | } | |
553 | ||
554 | char | |
6f2c2693 | 555 | __gnat_get_default_identifier_character_set (void) |
1fac938e | 556 | { |
557 | #if defined (__EMX__) || defined (MSDOS) | |
558 | return 'p'; | |
559 | #else | |
560 | return '1'; | |
561 | #endif | |
562 | } | |
563 | ||
f15731c4 | 564 | /* Return the current working directory. */ |
1fac938e | 565 | |
566 | void | |
9dfe12ae | 567 | __gnat_get_current_dir (char *dir, int *length) |
1fac938e | 568 | { |
3b18b370 | 569 | #if defined (__MINGW32__) |
570 | TCHAR wdir[GNAT_MAX_PATH_LEN]; | |
571 | ||
572 | _tgetcwd (wdir, *length); | |
573 | ||
1e622f0e | 574 | WS2SU (dir, wdir, GNAT_MAX_PATH_LEN); |
3b18b370 | 575 | |
576 | #elif defined (VMS) | |
1fac938e | 577 | /* Force Unix style, which is what GNAT uses internally. */ |
578 | getcwd (dir, *length, 0); | |
579 | #else | |
580 | getcwd (dir, *length); | |
581 | #endif | |
582 | ||
583 | *length = strlen (dir); | |
584 | ||
9dfe12ae | 585 | if (dir [*length - 1] != DIR_SEPARATOR) |
586 | { | |
587 | dir [*length] = DIR_SEPARATOR; | |
588 | ++(*length); | |
589 | } | |
f15731c4 | 590 | dir[*length] = '\0'; |
1fac938e | 591 | } |
592 | ||
f15731c4 | 593 | /* Return the suffix for object files. */ |
1fac938e | 594 | |
595 | void | |
9dfe12ae | 596 | __gnat_get_object_suffix_ptr (int *len, const char **value) |
1fac938e | 597 | { |
598 | *value = HOST_OBJECT_SUFFIX; | |
599 | ||
600 | if (*value == 0) | |
601 | *len = 0; | |
602 | else | |
603 | *len = strlen (*value); | |
604 | ||
605 | return; | |
606 | } | |
607 | ||
f15731c4 | 608 | /* Return the suffix for executable files. */ |
1fac938e | 609 | |
610 | void | |
9dfe12ae | 611 | __gnat_get_executable_suffix_ptr (int *len, const char **value) |
1fac938e | 612 | { |
613 | *value = HOST_EXECUTABLE_SUFFIX; | |
614 | if (!*value) | |
615 | *len = 0; | |
616 | else | |
617 | *len = strlen (*value); | |
618 | ||
619 | return; | |
620 | } | |
621 | ||
622 | /* Return the suffix for debuggable files. Usually this is the same as the | |
f15731c4 | 623 | executable extension. */ |
1fac938e | 624 | |
625 | void | |
9dfe12ae | 626 | __gnat_get_debuggable_suffix_ptr (int *len, const char **value) |
1fac938e | 627 | { |
628 | #ifndef MSDOS | |
629 | *value = HOST_EXECUTABLE_SUFFIX; | |
630 | #else | |
f15731c4 | 631 | /* On DOS, the extensionless COFF file is what gdb likes. */ |
1fac938e | 632 | *value = ""; |
633 | #endif | |
634 | ||
635 | if (*value == 0) | |
636 | *len = 0; | |
637 | else | |
638 | *len = strlen (*value); | |
639 | ||
640 | return; | |
641 | } | |
642 | ||
1aa4b9ce | 643 | /* Returns the OS filename and corresponding encoding. */ |
644 | ||
645 | void | |
646 | __gnat_os_filename (char *filename, char *w_filename, | |
647 | char *os_name, int *o_length, | |
648 | char *encoding, int *e_length) | |
649 | { | |
650 | #if defined (_WIN32) && ! defined (__vxworks) && ! defined (CROSS_DIRECTORY_STRUCTURE) | |
651 | WS2SU (os_name, (TCHAR *)w_filename, o_length); | |
652 | *o_length = strlen (os_name); | |
653 | strcpy (encoding, "encoding=utf8"); | |
654 | *e_length = strlen (encoding); | |
655 | #else | |
656 | strcpy (os_name, filename); | |
657 | *o_length = strlen (filename); | |
658 | *e_length = 0; | |
659 | #endif | |
660 | } | |
661 | ||
e2c62f37 | 662 | FILE * |
1e622f0e | 663 | __gnat_fopen (char *path, char *mode, int encoding) |
e2c62f37 | 664 | { |
29d774d0 | 665 | #if defined (_WIN32) && ! defined (__vxworks) && ! defined (CROSS_DIRECTORY_STRUCTURE) |
e2c62f37 | 666 | TCHAR wpath[GNAT_MAX_PATH_LEN]; |
667 | TCHAR wmode[10]; | |
668 | ||
e2c62f37 | 669 | S2WS (wmode, mode, 10); |
1e622f0e | 670 | |
671 | if (encoding == Encoding_UTF8) | |
672 | S2WSU (wpath, path, GNAT_MAX_PATH_LEN); | |
673 | else | |
674 | S2WS (wpath, path, GNAT_MAX_PATH_LEN); | |
675 | ||
e2c62f37 | 676 | return _tfopen (wpath, wmode); |
1e622f0e | 677 | #elif defined (VMS) |
678 | return decc$fopen (path, mode); | |
e2c62f37 | 679 | #else |
680 | return fopen (path, mode); | |
681 | #endif | |
682 | } | |
683 | ||
e2c62f37 | 684 | FILE * |
1e622f0e | 685 | __gnat_freopen (char *path, char *mode, FILE *stream, int encoding) |
e2c62f37 | 686 | { |
29d774d0 | 687 | #if defined (_WIN32) && ! defined (__vxworks) && ! defined (CROSS_DIRECTORY_STRUCTURE) |
e2c62f37 | 688 | TCHAR wpath[GNAT_MAX_PATH_LEN]; |
689 | TCHAR wmode[10]; | |
690 | ||
e2c62f37 | 691 | S2WS (wmode, mode, 10); |
1e622f0e | 692 | |
693 | if (encoding == Encoding_UTF8) | |
694 | S2WSU (wpath, path, GNAT_MAX_PATH_LEN); | |
695 | else | |
696 | S2WS (wpath, path, GNAT_MAX_PATH_LEN); | |
697 | ||
e2c62f37 | 698 | return _tfreopen (wpath, wmode, stream); |
1e622f0e | 699 | #elif defined (VMS) |
700 | return decc$freopen (path, mode, stream); | |
e2c62f37 | 701 | #else |
702 | return freopen (path, mode, stream); | |
703 | #endif | |
704 | } | |
705 | ||
1fac938e | 706 | int |
9dfe12ae | 707 | __gnat_open_read (char *path, int fmode) |
1fac938e | 708 | { |
709 | int fd; | |
710 | int o_fmode = O_BINARY; | |
711 | ||
712 | if (fmode) | |
713 | o_fmode = O_TEXT; | |
714 | ||
f15731c4 | 715 | #if defined (VMS) |
716 | /* Optional arguments mbc,deq,fop increase read performance. */ | |
1fac938e | 717 | fd = open (path, O_RDONLY | o_fmode, 0444, |
718 | "mbc=16", "deq=64", "fop=tef"); | |
f15731c4 | 719 | #elif defined (__vxworks) |
1fac938e | 720 | fd = open (path, O_RDONLY | o_fmode, 0444); |
3b18b370 | 721 | #elif defined (__MINGW32__) |
722 | { | |
723 | TCHAR wpath[GNAT_MAX_PATH_LEN]; | |
724 | ||
1e622f0e | 725 | S2WSU (wpath, path, GNAT_MAX_PATH_LEN); |
3b18b370 | 726 | fd = _topen (wpath, O_RDONLY | o_fmode, 0444); |
727 | } | |
1fac938e | 728 | #else |
729 | fd = open (path, O_RDONLY | o_fmode); | |
730 | #endif | |
f15731c4 | 731 | |
1fac938e | 732 | return fd < 0 ? -1 : fd; |
733 | } | |
734 | ||
9dfe12ae | 735 | #if defined (__EMX__) || defined (__MINGW32__) |
1fac938e | 736 | #define PERM (S_IREAD | S_IWRITE) |
9dfe12ae | 737 | #elif defined (VMS) |
738 | /* Excerpt from DECC C RTL Reference Manual: | |
739 | To create files with OpenVMS RMS default protections using the UNIX | |
740 | system-call functions umask, mkdir, creat, and open, call mkdir, creat, | |
741 | and open with a file-protection mode argument of 0777 in a program | |
742 | that never specifically calls umask. These default protections include | |
743 | correctly establishing protections based on ACLs, previous versions of | |
744 | files, and so on. */ | |
745 | #define PERM 0777 | |
1fac938e | 746 | #else |
747 | #define PERM (S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH | S_IWOTH) | |
748 | #endif | |
749 | ||
750 | int | |
9dfe12ae | 751 | __gnat_open_rw (char *path, int fmode) |
1fac938e | 752 | { |
753 | int fd; | |
754 | int o_fmode = O_BINARY; | |
755 | ||
756 | if (fmode) | |
757 | o_fmode = O_TEXT; | |
758 | ||
f15731c4 | 759 | #if defined (VMS) |
1fac938e | 760 | fd = open (path, O_RDWR | o_fmode, PERM, |
761 | "mbc=16", "deq=64", "fop=tef"); | |
3b18b370 | 762 | #elif defined (__MINGW32__) |
763 | { | |
764 | TCHAR wpath[GNAT_MAX_PATH_LEN]; | |
765 | ||
1e622f0e | 766 | S2WSU (wpath, path, GNAT_MAX_PATH_LEN); |
3b18b370 | 767 | fd = _topen (wpath, O_RDWR | o_fmode, PERM); |
768 | } | |
1fac938e | 769 | #else |
770 | fd = open (path, O_RDWR | o_fmode, PERM); | |
771 | #endif | |
772 | ||
773 | return fd < 0 ? -1 : fd; | |
774 | } | |
775 | ||
776 | int | |
9dfe12ae | 777 | __gnat_open_create (char *path, int fmode) |
1fac938e | 778 | { |
779 | int fd; | |
780 | int o_fmode = O_BINARY; | |
781 | ||
782 | if (fmode) | |
783 | o_fmode = O_TEXT; | |
784 | ||
f15731c4 | 785 | #if defined (VMS) |
1fac938e | 786 | fd = open (path, O_WRONLY | O_CREAT | O_TRUNC | o_fmode, PERM, |
787 | "mbc=16", "deq=64", "fop=tef"); | |
3b18b370 | 788 | #elif defined (__MINGW32__) |
789 | { | |
790 | TCHAR wpath[GNAT_MAX_PATH_LEN]; | |
791 | ||
1e622f0e | 792 | S2WSU (wpath, path, GNAT_MAX_PATH_LEN); |
3b18b370 | 793 | fd = _topen (wpath, O_WRONLY | O_CREAT | O_TRUNC | o_fmode, PERM); |
794 | } | |
1fac938e | 795 | #else |
796 | fd = open (path, O_WRONLY | O_CREAT | O_TRUNC | o_fmode, PERM); | |
797 | #endif | |
798 | ||
799 | return fd < 0 ? -1 : fd; | |
28ed91d4 | 800 | } |
801 | ||
802 | int | |
803 | __gnat_create_output_file (char *path) | |
804 | { | |
805 | int fd; | |
806 | #if defined (VMS) | |
807 | fd = open (path, O_WRONLY | O_CREAT | O_TRUNC | O_TEXT, PERM, | |
808 | "rfm=stmlf", "ctx=rec", "rat=none", "rop=nlk", | |
809 | "shr=del,get,put,upd"); | |
3b18b370 | 810 | #elif defined (__MINGW32__) |
811 | { | |
812 | TCHAR wpath[GNAT_MAX_PATH_LEN]; | |
813 | ||
1e622f0e | 814 | S2WSU (wpath, path, GNAT_MAX_PATH_LEN); |
3b18b370 | 815 | fd = _topen (wpath, O_WRONLY | O_CREAT | O_TRUNC | O_TEXT, PERM); |
816 | } | |
28ed91d4 | 817 | #else |
818 | fd = open (path, O_WRONLY | O_CREAT | O_TRUNC | O_TEXT, PERM); | |
819 | #endif | |
820 | ||
821 | return fd < 0 ? -1 : fd; | |
1fac938e | 822 | } |
823 | ||
824 | int | |
9dfe12ae | 825 | __gnat_open_append (char *path, int fmode) |
1fac938e | 826 | { |
827 | int fd; | |
828 | int o_fmode = O_BINARY; | |
829 | ||
830 | if (fmode) | |
831 | o_fmode = O_TEXT; | |
832 | ||
f15731c4 | 833 | #if defined (VMS) |
1fac938e | 834 | fd = open (path, O_WRONLY | O_CREAT | O_APPEND | o_fmode, PERM, |
835 | "mbc=16", "deq=64", "fop=tef"); | |
3b18b370 | 836 | #elif defined (__MINGW32__) |
837 | { | |
838 | TCHAR wpath[GNAT_MAX_PATH_LEN]; | |
839 | ||
1e622f0e | 840 | S2WSU (wpath, path, GNAT_MAX_PATH_LEN); |
3b18b370 | 841 | fd = _topen (wpath, O_WRONLY | O_CREAT | O_APPEND | o_fmode, PERM); |
842 | } | |
1fac938e | 843 | #else |
844 | fd = open (path, O_WRONLY | O_CREAT | O_APPEND | o_fmode, PERM); | |
845 | #endif | |
846 | ||
847 | return fd < 0 ? -1 : fd; | |
848 | } | |
849 | ||
f15731c4 | 850 | /* Open a new file. Return error (-1) if the file already exists. */ |
1fac938e | 851 | |
852 | int | |
9dfe12ae | 853 | __gnat_open_new (char *path, int fmode) |
1fac938e | 854 | { |
855 | int fd; | |
856 | int o_fmode = O_BINARY; | |
857 | ||
858 | if (fmode) | |
859 | o_fmode = O_TEXT; | |
860 | ||
f15731c4 | 861 | #if defined (VMS) |
1fac938e | 862 | fd = open (path, O_WRONLY | O_CREAT | O_EXCL | o_fmode, PERM, |
863 | "mbc=16", "deq=64", "fop=tef"); | |
3b18b370 | 864 | #elif defined (__MINGW32__) |
865 | { | |
866 | TCHAR wpath[GNAT_MAX_PATH_LEN]; | |
867 | ||
1e622f0e | 868 | S2WSU (wpath, path, GNAT_MAX_PATH_LEN); |
3b18b370 | 869 | fd = _topen (wpath, O_WRONLY | O_CREAT | O_EXCL | o_fmode, PERM); |
870 | } | |
1fac938e | 871 | #else |
872 | fd = open (path, O_WRONLY | O_CREAT | O_EXCL | o_fmode, PERM); | |
873 | #endif | |
874 | ||
875 | return fd < 0 ? -1 : fd; | |
876 | } | |
877 | ||
878 | /* Open a new temp file. Return error (-1) if the file already exists. | |
f15731c4 | 879 | Special options for VMS allow the file to be shared between parent and child |
880 | processes, however they really slow down output. Used in gnatchop. */ | |
1fac938e | 881 | |
882 | int | |
9dfe12ae | 883 | __gnat_open_new_temp (char *path, int fmode) |
1fac938e | 884 | { |
885 | int fd; | |
886 | int o_fmode = O_BINARY; | |
887 | ||
888 | strcpy (path, "GNAT-XXXXXX"); | |
889 | ||
5b7a9c2e | 890 | #if (defined (__FreeBSD__) || defined (__NetBSD__) || defined (linux)) && \ |
891 | !defined (__vxworks) | |
1fac938e | 892 | return mkstemp (path); |
159eb63c | 893 | #elif defined (__Lynx__) |
894 | mktemp (path); | |
5091bc2f | 895 | #elif defined (__nucleus__) |
896 | return -1; | |
1fac938e | 897 | #else |
898 | if (mktemp (path) == NULL) | |
899 | return -1; | |
900 | #endif | |
901 | ||
902 | if (fmode) | |
903 | o_fmode = O_TEXT; | |
904 | ||
f15731c4 | 905 | #if defined (VMS) |
1fac938e | 906 | fd = open (path, O_WRONLY | O_CREAT | O_EXCL | o_fmode, PERM, |
907 | "rfm=stmlf", "ctx=rec", "rat=none", "shr=del,get,put,upd", | |
908 | "mbc=16", "deq=64", "fop=tef"); | |
909 | #else | |
910 | fd = open (path, O_WRONLY | O_CREAT | O_EXCL | o_fmode, PERM); | |
911 | #endif | |
912 | ||
913 | return fd < 0 ? -1 : fd; | |
914 | } | |
915 | ||
f15731c4 | 916 | /* Return the number of bytes in the specified file. */ |
1fac938e | 917 | |
918 | long | |
9dfe12ae | 919 | __gnat_file_length (int fd) |
1fac938e | 920 | { |
921 | int ret; | |
922 | struct stat statbuf; | |
923 | ||
924 | ret = fstat (fd, &statbuf); | |
925 | if (ret || !S_ISREG (statbuf.st_mode)) | |
926 | return 0; | |
927 | ||
928 | return (statbuf.st_size); | |
929 | } | |
930 | ||
d24d7e81 | 931 | /* Return the number of bytes in the specified named file. */ |
932 | ||
933 | long | |
934 | __gnat_named_file_length (char *name) | |
935 | { | |
936 | int ret; | |
937 | struct stat statbuf; | |
938 | ||
939 | ret = __gnat_stat (name, &statbuf); | |
940 | if (ret || !S_ISREG (statbuf.st_mode)) | |
941 | return 0; | |
942 | ||
943 | return (statbuf.st_size); | |
944 | } | |
945 | ||
1fac938e | 946 | /* Create a temporary filename and put it in string pointed to by |
f15731c4 | 947 | TMP_FILENAME. */ |
1fac938e | 948 | |
949 | void | |
9dfe12ae | 950 | __gnat_tmp_name (char *tmp_filename) |
1fac938e | 951 | { |
952 | #ifdef __MINGW32__ | |
953 | { | |
954 | char *pname; | |
955 | ||
956 | /* tempnam tries to create a temporary file in directory pointed to by | |
957 | TMP environment variable, in c:\temp if TMP is not set, and in | |
958 | directory specified by P_tmpdir in stdio.h if c:\temp does not | |
959 | exist. The filename will be created with the prefix "gnat-". */ | |
960 | ||
961 | pname = (char *) tempnam ("c:\\temp", "gnat-"); | |
962 | ||
9dfe12ae | 963 | /* if pname is NULL, the file was not created properly, the disk is full |
964 | or there is no more free temporary files */ | |
965 | ||
966 | if (pname == NULL) | |
967 | *tmp_filename = '\0'; | |
968 | ||
f15731c4 | 969 | /* If pname start with a back slash and not path information it means that |
970 | the filename is valid for the current working directory. */ | |
1fac938e | 971 | |
9dfe12ae | 972 | else if (pname[0] == '\\') |
1fac938e | 973 | { |
974 | strcpy (tmp_filename, ".\\"); | |
975 | strcat (tmp_filename, pname+1); | |
976 | } | |
977 | else | |
978 | strcpy (tmp_filename, pname); | |
979 | ||
980 | free (pname); | |
981 | } | |
f15731c4 | 982 | |
5b7a9c2e | 983 | #elif defined (linux) || defined (__FreeBSD__) || defined (__NetBSD__) |
9dfe12ae | 984 | #define MAX_SAFE_PATH 1000 |
1fac938e | 985 | char *tmpdir = getenv ("TMPDIR"); |
986 | ||
9dfe12ae | 987 | /* If tmpdir is longer than MAX_SAFE_PATH, revert to default value to avoid |
988 | a buffer overflow. */ | |
989 | if (tmpdir == NULL || strlen (tmpdir) > MAX_SAFE_PATH) | |
1fac938e | 990 | strcpy (tmp_filename, "/tmp/gnat-XXXXXX"); |
991 | else | |
9dfe12ae | 992 | sprintf (tmp_filename, "%s/gnat-XXXXXX", tmpdir); |
1fac938e | 993 | |
994 | close (mkstemp(tmp_filename)); | |
995 | #else | |
996 | tmpnam (tmp_filename); | |
997 | #endif | |
998 | } | |
999 | ||
3b18b370 | 1000 | /* Open directory and returns a DIR pointer. */ |
1001 | ||
1002 | DIR* __gnat_opendir (char *name) | |
1003 | { | |
e2a33c18 | 1004 | #if defined (RTX) |
1005 | /* Not supported in RTX */ | |
1006 | ||
1007 | return NULL; | |
1008 | ||
1009 | #elif defined (__MINGW32__) | |
3b18b370 | 1010 | TCHAR wname[GNAT_MAX_PATH_LEN]; |
1011 | ||
1e622f0e | 1012 | S2WSU (wname, name, GNAT_MAX_PATH_LEN); |
3b18b370 | 1013 | return (DIR*)_topendir (wname); |
1014 | ||
1015 | #else | |
1016 | return opendir (name); | |
1017 | #endif | |
1018 | } | |
1019 | ||
1fac938e | 1020 | /* Read the next entry in a directory. The returned string points somewhere |
1021 | in the buffer. */ | |
1022 | ||
1023 | char * | |
3b18b370 | 1024 | __gnat_readdir (DIR *dirp, char *buffer, int *len) |
1fac938e | 1025 | { |
e2a33c18 | 1026 | #if defined (RTX) |
1027 | /* Not supported in RTX */ | |
1028 | ||
1029 | return NULL; | |
1030 | #elif defined (__MINGW32__) | |
3b18b370 | 1031 | struct _tdirent *dirent = _treaddir ((_TDIR*)dirp); |
1032 | ||
1033 | if (dirent != NULL) | |
1034 | { | |
1e622f0e | 1035 | WS2SU (buffer, dirent->d_name, GNAT_MAX_PATH_LEN); |
3b18b370 | 1036 | *len = strlen (buffer); |
1037 | ||
1038 | return buffer; | |
1039 | } | |
1040 | else | |
1041 | return NULL; | |
1042 | ||
1043 | #elif defined (HAVE_READDIR_R) | |
1fac938e | 1044 | /* If possible, try to use the thread-safe version. */ |
1fac938e | 1045 | if (readdir_r (dirp, buffer) != NULL) |
1aa4b9ce | 1046 | { |
1047 | *len = strlen (((struct dirent*) buffer)->d_name); | |
1048 | return ((struct dirent*) buffer)->d_name; | |
1049 | } | |
1fac938e | 1050 | else |
1051 | return NULL; | |
1052 | ||
1053 | #else | |
5b941af6 | 1054 | struct dirent *dirent = (struct dirent *) readdir (dirp); |
1fac938e | 1055 | |
1056 | if (dirent != NULL) | |
1057 | { | |
1058 | strcpy (buffer, dirent->d_name); | |
3b18b370 | 1059 | *len = strlen (buffer); |
1fac938e | 1060 | return buffer; |
1061 | } | |
1062 | else | |
1063 | return NULL; | |
1064 | ||
1065 | #endif | |
1066 | } | |
1067 | ||
3b18b370 | 1068 | /* Close a directory entry. */ |
1069 | ||
1070 | int __gnat_closedir (DIR *dirp) | |
1071 | { | |
e2a33c18 | 1072 | #if defined (RTX) |
1073 | /* Not supported in RTX */ | |
1074 | ||
1075 | return 0; | |
1076 | ||
1077 | #elif defined (__MINGW32__) | |
3b18b370 | 1078 | return _tclosedir ((_TDIR*)dirp); |
1079 | ||
1080 | #else | |
1081 | return closedir (dirp); | |
1082 | #endif | |
1083 | } | |
1084 | ||
1fac938e | 1085 | /* Returns 1 if readdir is thread safe, 0 otherwise. */ |
1086 | ||
1087 | int | |
6f2c2693 | 1088 | __gnat_readdir_is_thread_safe (void) |
1fac938e | 1089 | { |
1090 | #ifdef HAVE_READDIR_R | |
1091 | return 1; | |
1092 | #else | |
1093 | return 0; | |
1094 | #endif | |
1095 | } | |
1096 | ||
e2a33c18 | 1097 | #if defined (_WIN32) && !defined (RTX) |
982e2721 | 1098 | /* Number of seconds between <Jan 1st 1601> and <Jan 1st 1970>. */ |
1099 | static const unsigned long long w32_epoch_offset = 11644473600ULL; | |
1fac938e | 1100 | |
1101 | /* Returns the file modification timestamp using Win32 routines which are | |
1102 | immune against daylight saving time change. It is in fact not possible to | |
1103 | use fstat for this purpose as the DST modify the st_mtime field of the | |
1104 | stat structure. */ | |
1105 | ||
1106 | static time_t | |
9dfe12ae | 1107 | win32_filetime (HANDLE h) |
1fac938e | 1108 | { |
982e2721 | 1109 | union |
1110 | { | |
1111 | FILETIME ft_time; | |
1112 | unsigned long long ull_time; | |
1113 | } t_write; | |
1fac938e | 1114 | |
1115 | /* GetFileTime returns FILETIME data which are the number of 100 nanosecs | |
1116 | since <Jan 1st 1601>. This function must return the number of seconds | |
1117 | since <Jan 1st 1970>. */ | |
1118 | ||
982e2721 | 1119 | if (GetFileTime (h, NULL, NULL, &t_write.ft_time)) |
3b18b370 | 1120 | return (time_t) (t_write.ull_time / 10000000ULL - w32_epoch_offset); |
982e2721 | 1121 | return (time_t) 0; |
1fac938e | 1122 | } |
1123 | #endif | |
1124 | ||
1125 | /* Return a GNAT time stamp given a file name. */ | |
1126 | ||
1bbc9831 | 1127 | OS_Time |
9dfe12ae | 1128 | __gnat_file_time_name (char *name) |
1fac938e | 1129 | { |
1fac938e | 1130 | |
1131 | #if defined (__EMX__) || defined (MSDOS) | |
1132 | int fd = open (name, O_RDONLY | O_BINARY); | |
1133 | time_t ret = __gnat_file_time_fd (fd); | |
1134 | close (fd); | |
1bbc9831 | 1135 | return (OS_Time)ret; |
1fac938e | 1136 | |
e2a33c18 | 1137 | #elif defined (_WIN32) && !defined (RTX) |
e2c62f37 | 1138 | time_t ret = -1; |
3b18b370 | 1139 | TCHAR wname[GNAT_MAX_PATH_LEN]; |
1140 | ||
1e622f0e | 1141 | S2WSU (wname, name, GNAT_MAX_PATH_LEN); |
3b18b370 | 1142 | |
1143 | HANDLE h = CreateFile | |
1144 | (wname, GENERIC_READ, FILE_SHARE_READ, 0, | |
1145 | OPEN_EXISTING, FILE_FLAG_BACKUP_SEMANTICS, 0); | |
fabb7dc5 | 1146 | |
982e2721 | 1147 | if (h != INVALID_HANDLE_VALUE) |
1148 | { | |
1149 | ret = win32_filetime (h); | |
1150 | CloseHandle (h); | |
1151 | } | |
1bbc9831 | 1152 | return (OS_Time) ret; |
1fac938e | 1153 | #else |
f0a28ccb | 1154 | struct stat statbuf; |
1bbc9831 | 1155 | if (__gnat_stat (name, &statbuf) != 0) { |
1156 | return (OS_Time)-1; | |
1157 | } else { | |
1fac938e | 1158 | #ifdef VMS |
1bbc9831 | 1159 | /* VMS has file versioning. */ |
1160 | return (OS_Time)statbuf.st_ctime; | |
1fac938e | 1161 | #else |
1bbc9831 | 1162 | return (OS_Time)statbuf.st_mtime; |
1fac938e | 1163 | #endif |
1bbc9831 | 1164 | } |
1fac938e | 1165 | #endif |
1166 | } | |
1167 | ||
1168 | /* Return a GNAT time stamp given a file descriptor. */ | |
1169 | ||
1bbc9831 | 1170 | OS_Time |
9dfe12ae | 1171 | __gnat_file_time_fd (int fd) |
1fac938e | 1172 | { |
1173 | /* The following workaround code is due to the fact that under EMX and | |
1174 | DJGPP fstat attempts to convert time values to GMT rather than keep the | |
1175 | actual OS timestamp of the file. By using the OS2/DOS functions directly | |
1176 | the GNAT timestamp are independent of this behavior, which is desired to | |
f15731c4 | 1177 | facilitate the distribution of GNAT compiled libraries. */ |
1fac938e | 1178 | |
1179 | #if defined (__EMX__) || defined (MSDOS) | |
1180 | #ifdef __EMX__ | |
1181 | ||
1182 | FILESTATUS fs; | |
1183 | int ret = DosQueryFileInfo (fd, 1, (unsigned char *) &fs, | |
1184 | sizeof (FILESTATUS)); | |
1185 | ||
1186 | unsigned file_year = fs.fdateLastWrite.year; | |
1187 | unsigned file_month = fs.fdateLastWrite.month; | |
1188 | unsigned file_day = fs.fdateLastWrite.day; | |
1189 | unsigned file_hour = fs.ftimeLastWrite.hours; | |
1190 | unsigned file_min = fs.ftimeLastWrite.minutes; | |
1191 | unsigned file_tsec = fs.ftimeLastWrite.twosecs; | |
1192 | ||
1193 | #else | |
1194 | struct ftime fs; | |
1195 | int ret = getftime (fd, &fs); | |
1196 | ||
1197 | unsigned file_year = fs.ft_year; | |
1198 | unsigned file_month = fs.ft_month; | |
1199 | unsigned file_day = fs.ft_day; | |
1200 | unsigned file_hour = fs.ft_hour; | |
1201 | unsigned file_min = fs.ft_min; | |
1202 | unsigned file_tsec = fs.ft_tsec; | |
1203 | #endif | |
1204 | ||
1205 | /* Calculate the seconds since epoch from the time components. First count | |
1206 | the whole days passed. The value for years returned by the DOS and OS2 | |
1207 | functions count years from 1980, so to compensate for the UNIX epoch which | |
1208 | begins in 1970 start with 10 years worth of days and add days for each | |
f15731c4 | 1209 | four year period since then. */ |
1fac938e | 1210 | |
1211 | time_t tot_secs; | |
f15731c4 | 1212 | int cum_days[12] = {0, 31, 59, 90, 120, 151, 181, 212, 243, 273, 304, 334}; |
1fac938e | 1213 | int days_passed = 3652 + (file_year / 4) * 1461; |
1214 | int years_since_leap = file_year % 4; | |
1215 | ||
1216 | if (years_since_leap == 1) | |
1217 | days_passed += 366; | |
1218 | else if (years_since_leap == 2) | |
1219 | days_passed += 731; | |
1220 | else if (years_since_leap == 3) | |
1221 | days_passed += 1096; | |
1222 | ||
1223 | if (file_year > 20) | |
1224 | days_passed -= 1; | |
1225 | ||
f15731c4 | 1226 | days_passed += cum_days[file_month - 1]; |
1fac938e | 1227 | if (years_since_leap == 0 && file_year != 20 && file_month > 2) |
1228 | days_passed++; | |
1229 | ||
1230 | days_passed += file_day - 1; | |
1231 | ||
f15731c4 | 1232 | /* OK - have whole days. Multiply -- then add in other parts. */ |
1fac938e | 1233 | |
1234 | tot_secs = days_passed * 86400; | |
1235 | tot_secs += file_hour * 3600; | |
1236 | tot_secs += file_min * 60; | |
1237 | tot_secs += file_tsec * 2; | |
1bbc9831 | 1238 | return (OS_Time) tot_secs; |
1fac938e | 1239 | |
e2a33c18 | 1240 | #elif defined (_WIN32) && !defined (RTX) |
1fac938e | 1241 | HANDLE h = (HANDLE) _get_osfhandle (fd); |
1242 | time_t ret = win32_filetime (h); | |
1bbc9831 | 1243 | return (OS_Time) ret; |
1fac938e | 1244 | |
1245 | #else | |
1246 | struct stat statbuf; | |
1247 | ||
1bbc9831 | 1248 | if (fstat (fd, &statbuf) != 0) { |
1249 | return (OS_Time) -1; | |
1250 | } else { | |
1fac938e | 1251 | #ifdef VMS |
1bbc9831 | 1252 | /* VMS has file versioning. */ |
1253 | return (OS_Time) statbuf.st_ctime; | |
1fac938e | 1254 | #else |
1bbc9831 | 1255 | return (OS_Time) statbuf.st_mtime; |
1fac938e | 1256 | #endif |
1bbc9831 | 1257 | } |
1fac938e | 1258 | #endif |
1259 | } | |
1260 | ||
f15731c4 | 1261 | /* Set the file time stamp. */ |
d8dd2062 | 1262 | |
1263 | void | |
9dfe12ae | 1264 | __gnat_set_file_time_name (char *name, time_t time_stamp) |
d8dd2062 | 1265 | { |
982e2721 | 1266 | #if defined (__EMX__) || defined (MSDOS) || defined (__vxworks) |
71a3e619 | 1267 | |
f15731c4 | 1268 | /* Code to implement __gnat_set_file_time_name for these systems. */ |
71a3e619 | 1269 | |
e2a33c18 | 1270 | #elif defined (_WIN32) && !defined (RTX) |
982e2721 | 1271 | union |
1272 | { | |
1273 | FILETIME ft_time; | |
1274 | unsigned long long ull_time; | |
1275 | } t_write; | |
3b18b370 | 1276 | TCHAR wname[GNAT_MAX_PATH_LEN]; |
fabb7dc5 | 1277 | |
1e622f0e | 1278 | S2WSU (wname, name, GNAT_MAX_PATH_LEN); |
3b18b370 | 1279 | |
1280 | HANDLE h = CreateFile | |
1281 | (wname, GENERIC_WRITE, FILE_SHARE_WRITE, NULL, | |
1282 | OPEN_EXISTING, FILE_FLAG_BACKUP_SEMANTICS, | |
1283 | NULL); | |
982e2721 | 1284 | if (h == INVALID_HANDLE_VALUE) |
1285 | return; | |
1286 | /* Add number of seconds between <Jan 1st 1601> and <Jan 1st 1970> */ | |
1287 | t_write.ull_time = ((unsigned long long)time_stamp + w32_epoch_offset); | |
1288 | /* Convert to 100 nanosecond units */ | |
1289 | t_write.ull_time *= 10000000ULL; | |
1290 | ||
1291 | SetFileTime(h, NULL, NULL, &t_write.ft_time); | |
1292 | CloseHandle (h); | |
1293 | return; | |
1294 | ||
d8dd2062 | 1295 | #elif defined (VMS) |
1296 | struct FAB fab; | |
1297 | struct NAM nam; | |
1298 | ||
1299 | struct | |
1300 | { | |
1301 | unsigned long long backup, create, expire, revise; | |
8620a406 | 1302 | unsigned int uic; |
d8dd2062 | 1303 | union |
1304 | { | |
1305 | unsigned short value; | |
1306 | struct | |
1307 | { | |
1308 | unsigned system : 4; | |
1309 | unsigned owner : 4; | |
1310 | unsigned group : 4; | |
1311 | unsigned world : 4; | |
1312 | } bits; | |
1313 | } prot; | |
f15731c4 | 1314 | } Fat = { 0, 0, 0, 0, 0, { 0 }}; |
d8dd2062 | 1315 | |
f15731c4 | 1316 | ATRDEF atrlst[] |
d8dd2062 | 1317 | = { |
1318 | { ATR$S_CREDATE, ATR$C_CREDATE, &Fat.create }, | |
1319 | { ATR$S_REVDATE, ATR$C_REVDATE, &Fat.revise }, | |
1320 | { ATR$S_EXPDATE, ATR$C_EXPDATE, &Fat.expire }, | |
1321 | { ATR$S_BAKDATE, ATR$C_BAKDATE, &Fat.backup }, | |
f15731c4 | 1322 | { ATR$S_FPRO, ATR$C_FPRO, &Fat.prot }, |
d8dd2062 | 1323 | { ATR$S_UIC, ATR$C_UIC, &Fat.uic }, |
1324 | { 0, 0, 0} | |
1325 | }; | |
1326 | ||
1327 | FIBDEF fib; | |
1328 | struct dsc$descriptor_fib fibdsc = {sizeof (fib), (void *) &fib}; | |
1329 | ||
1330 | struct IOSB iosb; | |
1331 | ||
1332 | unsigned long long newtime; | |
1333 | unsigned long long revtime; | |
1334 | long status; | |
1335 | short chan; | |
1336 | ||
1337 | struct vstring file; | |
1338 | struct dsc$descriptor_s filedsc | |
1339 | = {NAM$C_MAXRSS, DSC$K_DTYPE_T, DSC$K_CLASS_S, (void *) file.string}; | |
1340 | struct vstring device; | |
1341 | struct dsc$descriptor_s devicedsc | |
1342 | = {NAM$C_MAXRSS, DSC$K_DTYPE_T, DSC$K_CLASS_S, (void *) device.string}; | |
1343 | struct vstring timev; | |
1344 | struct dsc$descriptor_s timedsc | |
1345 | = {NAM$C_MAXRSS, DSC$K_DTYPE_T, DSC$K_CLASS_S, (void *) timev.string}; | |
1346 | struct vstring result; | |
1347 | struct dsc$descriptor_s resultdsc | |
1348 | = {NAM$C_MAXRSS, DSC$K_DTYPE_VT, DSC$K_CLASS_VS, (void *) result.string}; | |
1349 | ||
3b18b370 | 1350 | /* Convert parameter name (a file spec) to host file form. Note that this |
1351 | is needed on VMS to prepare for subsequent calls to VMS RMS library | |
1352 | routines. Note that it would not work to call __gnat_to_host_dir_spec | |
1353 | as was done in a previous version, since this fails silently unless | |
1354 | the feature logical DECC$EFS_CHARSET is enabled, in which case a DNF | |
1355 | (directory not found) condition is signalled. */ | |
1356 | tryfile = (char *) __gnat_to_host_file_spec (name); | |
d8dd2062 | 1357 | |
f15731c4 | 1358 | /* Allocate and initialize a FAB and NAM structures. */ |
d8dd2062 | 1359 | fab = cc$rms_fab; |
1360 | nam = cc$rms_nam; | |
1361 | ||
1362 | nam.nam$l_esa = file.string; | |
1363 | nam.nam$b_ess = NAM$C_MAXRSS; | |
1364 | nam.nam$l_rsa = result.string; | |
1365 | nam.nam$b_rss = NAM$C_MAXRSS; | |
1366 | fab.fab$l_fna = tryfile; | |
1367 | fab.fab$b_fns = strlen (tryfile); | |
1368 | fab.fab$l_nam = &nam; | |
1369 | ||
f15731c4 | 1370 | /* Validate filespec syntax and device existence. */ |
d8dd2062 | 1371 | status = SYS$PARSE (&fab, 0, 0); |
1372 | if ((status & 1) != 1) | |
1373 | LIB$SIGNAL (status); | |
1374 | ||
f15731c4 | 1375 | file.string[nam.nam$b_esl] = 0; |
d8dd2062 | 1376 | |
f15731c4 | 1377 | /* Find matching filespec. */ |
d8dd2062 | 1378 | status = SYS$SEARCH (&fab, 0, 0); |
1379 | if ((status & 1) != 1) | |
1380 | LIB$SIGNAL (status); | |
1381 | ||
f15731c4 | 1382 | file.string[nam.nam$b_esl] = 0; |
1383 | result.string[result.length=nam.nam$b_rsl] = 0; | |
d8dd2062 | 1384 | |
f15731c4 | 1385 | /* Get the device name and assign an IO channel. */ |
d8dd2062 | 1386 | strncpy (device.string, nam.nam$l_dev, nam.nam$b_dev); |
1387 | devicedsc.dsc$w_length = nam.nam$b_dev; | |
1388 | chan = 0; | |
1389 | status = SYS$ASSIGN (&devicedsc, &chan, 0, 0, 0); | |
1390 | if ((status & 1) != 1) | |
1391 | LIB$SIGNAL (status); | |
1392 | ||
f15731c4 | 1393 | /* Initialize the FIB and fill in the directory id field. */ |
1394 | memset (&fib, 0, sizeof (fib)); | |
1395 | fib.fib$w_did[0] = nam.nam$w_did[0]; | |
1396 | fib.fib$w_did[1] = nam.nam$w_did[1]; | |
1397 | fib.fib$w_did[2] = nam.nam$w_did[2]; | |
d8dd2062 | 1398 | fib.fib$l_acctl = 0; |
1399 | fib.fib$l_wcc = 0; | |
1400 | strcpy (file.string, (strrchr (result.string, ']') + 1)); | |
1401 | filedsc.dsc$w_length = strlen (file.string); | |
f15731c4 | 1402 | result.string[result.length = 0] = 0; |
d8dd2062 | 1403 | |
1404 | /* Open and close the file to fill in the attributes. */ | |
1405 | status | |
1406 | = SYS$QIOW (0, chan, IO$_ACCESS|IO$M_ACCESS, &iosb, 0, 0, | |
1407 | &fibdsc, &filedsc, &result.length, &resultdsc, &atrlst, 0); | |
1408 | if ((status & 1) != 1) | |
1409 | LIB$SIGNAL (status); | |
1410 | if ((iosb.status & 1) != 1) | |
1411 | LIB$SIGNAL (iosb.status); | |
1412 | ||
f15731c4 | 1413 | result.string[result.length] = 0; |
1414 | status = SYS$QIOW (0, chan, IO$_DEACCESS, &iosb, 0, 0, &fibdsc, 0, 0, 0, | |
1415 | &atrlst, 0); | |
d8dd2062 | 1416 | if ((status & 1) != 1) |
1417 | LIB$SIGNAL (status); | |
1418 | if ((iosb.status & 1) != 1) | |
1419 | LIB$SIGNAL (iosb.status); | |
1420 | ||
d8dd2062 | 1421 | { |
1422 | time_t t; | |
f15731c4 | 1423 | |
1424 | /* Set creation time to requested time. */ | |
9dfe12ae | 1425 | unix_time_to_vms (time_stamp, newtime); |
f15731c4 | 1426 | |
d8dd2062 | 1427 | t = time ((time_t) 0); |
d8dd2062 | 1428 | |
f15731c4 | 1429 | /* Set revision time to now in local time. */ |
9dfe12ae | 1430 | unix_time_to_vms (t, revtime); |
d8dd2062 | 1431 | } |
1432 | ||
f15731c4 | 1433 | /* Reopen the file, modify the times and then close. */ |
d8dd2062 | 1434 | fib.fib$l_acctl = FIB$M_WRITE; |
1435 | status | |
1436 | = SYS$QIOW (0, chan, IO$_ACCESS|IO$M_ACCESS, &iosb, 0, 0, | |
1437 | &fibdsc, &filedsc, &result.length, &resultdsc, &atrlst, 0); | |
1438 | if ((status & 1) != 1) | |
1439 | LIB$SIGNAL (status); | |
1440 | if ((iosb.status & 1) != 1) | |
1441 | LIB$SIGNAL (iosb.status); | |
1442 | ||
1443 | Fat.create = newtime; | |
1444 | Fat.revise = revtime; | |
1445 | ||
1446 | status = SYS$QIOW (0, chan, IO$_DEACCESS, &iosb, 0, 0, | |
1447 | &fibdsc, 0, 0, 0, &atrlst, 0); | |
1448 | if ((status & 1) != 1) | |
1449 | LIB$SIGNAL (status); | |
1450 | if ((iosb.status & 1) != 1) | |
1451 | LIB$SIGNAL (iosb.status); | |
1452 | ||
f15731c4 | 1453 | /* Deassign the channel and exit. */ |
d8dd2062 | 1454 | status = SYS$DASSGN (chan); |
1455 | if ((status & 1) != 1) | |
1456 | LIB$SIGNAL (status); | |
1457 | #else | |
1458 | struct utimbuf utimbuf; | |
1459 | time_t t; | |
1460 | ||
f15731c4 | 1461 | /* Set modification time to requested time. */ |
d8dd2062 | 1462 | utimbuf.modtime = time_stamp; |
1463 | ||
f15731c4 | 1464 | /* Set access time to now in local time. */ |
d8dd2062 | 1465 | t = time ((time_t) 0); |
1466 | utimbuf.actime = mktime (localtime (&t)); | |
1467 | ||
1468 | utime (name, &utimbuf); | |
1469 | #endif | |
1470 | } | |
1471 | ||
1fac938e | 1472 | #ifdef _WIN32 |
1473 | #include <windows.h> | |
1474 | #endif | |
1475 | ||
1476 | /* Get the list of installed standard libraries from the | |
1477 | HKEY_LOCAL_MACHINE\SOFTWARE\Ada Core Technologies\GNAT\Standard Libraries | |
1478 | key. */ | |
1479 | ||
1480 | char * | |
6f2c2693 | 1481 | __gnat_get_libraries_from_registry (void) |
1fac938e | 1482 | { |
1483 | char *result = (char *) ""; | |
1484 | ||
e2a33c18 | 1485 | #if defined (_WIN32) && ! defined (__vxworks) && ! defined (CROSS_DIRECTORY_STRUCTURE) && ! defined (RTX) |
1fac938e | 1486 | |
1487 | HKEY reg_key; | |
1488 | DWORD name_size, value_size; | |
1489 | char name[256]; | |
1490 | char value[256]; | |
1491 | DWORD type; | |
1492 | DWORD index; | |
1493 | LONG res; | |
1494 | ||
1495 | /* First open the key. */ | |
1496 | res = RegOpenKeyExA (HKEY_LOCAL_MACHINE, "SOFTWARE", 0, KEY_READ, ®_key); | |
1497 | ||
1498 | if (res == ERROR_SUCCESS) | |
1499 | res = RegOpenKeyExA (reg_key, "Ada Core Technologies", 0, | |
1500 | KEY_READ, ®_key); | |
1501 | ||
1502 | if (res == ERROR_SUCCESS) | |
1503 | res = RegOpenKeyExA (reg_key, "GNAT", 0, KEY_READ, ®_key); | |
1504 | ||
1505 | if (res == ERROR_SUCCESS) | |
1506 | res = RegOpenKeyExA (reg_key, "Standard Libraries", 0, KEY_READ, ®_key); | |
1507 | ||
1508 | /* If the key exists, read out all the values in it and concatenate them | |
1509 | into a path. */ | |
1510 | for (index = 0; res == ERROR_SUCCESS; index++) | |
1511 | { | |
1512 | value_size = name_size = 256; | |
e2c62f37 | 1513 | res = RegEnumValueA (reg_key, index, (TCHAR*)name, &name_size, 0, |
1514 | &type, (LPBYTE)value, &value_size); | |
1fac938e | 1515 | |
1516 | if (res == ERROR_SUCCESS && type == REG_SZ) | |
1517 | { | |
1518 | char *old_result = result; | |
1519 | ||
1520 | result = (char *) xmalloc (strlen (old_result) + value_size + 2); | |
1521 | strcpy (result, old_result); | |
1522 | strcat (result, value); | |
1523 | strcat (result, ";"); | |
1524 | } | |
1525 | } | |
1526 | ||
1527 | /* Remove the trailing ";". */ | |
1528 | if (result[0] != 0) | |
1529 | result[strlen (result) - 1] = 0; | |
1530 | ||
1531 | #endif | |
1532 | return result; | |
1533 | } | |
1534 | ||
1535 | int | |
9dfe12ae | 1536 | __gnat_stat (char *name, struct stat *statbuf) |
1fac938e | 1537 | { |
3b18b370 | 1538 | #ifdef __MINGW32__ |
1fac938e | 1539 | /* Under Windows the directory name for the stat function must not be |
1540 | terminated by a directory separator except if just after a drive name. */ | |
3b18b370 | 1541 | TCHAR wname [GNAT_MAX_PATH_LEN + 2]; |
1542 | int name_len; | |
1543 | TCHAR last_char; | |
1544 | ||
1e622f0e | 1545 | S2WSU (wname, name, GNAT_MAX_PATH_LEN + 2); |
3b18b370 | 1546 | name_len = _tcslen (wname); |
e7b2d6bc | 1547 | |
1548 | if (name_len > GNAT_MAX_PATH_LEN) | |
1549 | return -1; | |
1fac938e | 1550 | |
3b18b370 | 1551 | last_char = wname[name_len - 1]; |
1fac938e | 1552 | |
3b18b370 | 1553 | while (name_len > 1 && (last_char == _T('\\') || last_char == _T('/'))) |
1fac938e | 1554 | { |
3b18b370 | 1555 | wname[name_len - 1] = _T('\0'); |
1fac938e | 1556 | name_len--; |
3b18b370 | 1557 | last_char = wname[name_len - 1]; |
1fac938e | 1558 | } |
1559 | ||
3b18b370 | 1560 | /* Only a drive letter followed by ':', we must add a directory separator |
1561 | for the stat routine to work properly. */ | |
1562 | if (name_len == 2 && wname[1] == _T(':')) | |
1563 | _tcscat (wname, _T("\\")); | |
1fac938e | 1564 | |
3b18b370 | 1565 | return _tstat (wname, statbuf); |
1fac938e | 1566 | |
1567 | #else | |
1568 | return stat (name, statbuf); | |
1569 | #endif | |
1570 | } | |
1571 | ||
1572 | int | |
9dfe12ae | 1573 | __gnat_file_exists (char *name) |
1fac938e | 1574 | { |
e2a33c18 | 1575 | #if defined (__MINGW32__) && !defined (RTX) |
1aa4b9ce | 1576 | /* On Windows do not use __gnat_stat() because a bug in Microsoft |
1577 | _stat() routine. When the system time-zone is set with a negative | |
1578 | offset the _stat() routine fails on specific files like CON: */ | |
1579 | TCHAR wname [GNAT_MAX_PATH_LEN + 2]; | |
1580 | ||
1581 | S2WSU (wname, name, GNAT_MAX_PATH_LEN + 2); | |
1582 | return GetFileAttributes (wname) != INVALID_FILE_ATTRIBUTES; | |
1583 | #else | |
1fac938e | 1584 | struct stat statbuf; |
1585 | ||
1586 | return !__gnat_stat (name, &statbuf); | |
1aa4b9ce | 1587 | #endif |
1fac938e | 1588 | } |
1589 | ||
9dfe12ae | 1590 | int |
4a3f445c | 1591 | __gnat_is_absolute_path (char *name, int length) |
1fac938e | 1592 | { |
8620a406 | 1593 | #ifdef __vxworks |
1594 | /* On VxWorks systems, an absolute path can be represented (depending on | |
1595 | the host platform) as either /dir/file, or device:/dir/file, or | |
1596 | device:drive_letter:/dir/file. */ | |
1597 | ||
1598 | int index; | |
1599 | ||
1600 | if (name[0] == '/') | |
1601 | return 1; | |
1602 | ||
1603 | for (index = 0; index < length; index++) | |
1604 | { | |
1605 | if (name[index] == ':' && | |
1606 | ((name[index + 1] == '/') || | |
1607 | (isalpha (name[index + 1]) && index + 2 <= length && | |
1608 | name[index + 2] == '/'))) | |
1609 | return 1; | |
1610 | ||
1611 | else if (name[index] == '/') | |
1612 | return 0; | |
1613 | } | |
1614 | return 0; | |
1615 | #else | |
4a3f445c | 1616 | return (length != 0) && |
1617 | (*name == '/' || *name == DIR_SEPARATOR | |
f15731c4 | 1618 | #if defined (__EMX__) || defined (MSDOS) || defined (WINNT) |
4a3f445c | 1619 | || (length > 1 && isalpha (name[0]) && name[1] == ':') |
1fac938e | 1620 | #endif |
1621 | ); | |
8620a406 | 1622 | #endif |
1fac938e | 1623 | } |
1624 | ||
1625 | int | |
9dfe12ae | 1626 | __gnat_is_regular_file (char *name) |
1fac938e | 1627 | { |
1628 | int ret; | |
1629 | struct stat statbuf; | |
1630 | ||
1631 | ret = __gnat_stat (name, &statbuf); | |
1632 | return (!ret && S_ISREG (statbuf.st_mode)); | |
1633 | } | |
1634 | ||
1635 | int | |
9dfe12ae | 1636 | __gnat_is_directory (char *name) |
1fac938e | 1637 | { |
1638 | int ret; | |
1639 | struct stat statbuf; | |
1640 | ||
1641 | ret = __gnat_stat (name, &statbuf); | |
1642 | return (!ret && S_ISDIR (statbuf.st_mode)); | |
1643 | } | |
1644 | ||
1645 | int | |
9dfe12ae | 1646 | __gnat_is_readable_file (char *name) |
1647 | { | |
1648 | int ret; | |
1649 | int mode; | |
1650 | struct stat statbuf; | |
1651 | ||
1652 | ret = __gnat_stat (name, &statbuf); | |
1653 | mode = statbuf.st_mode & S_IRUSR; | |
1654 | return (!ret && mode); | |
1655 | } | |
1656 | ||
1657 | int | |
1658 | __gnat_is_writable_file (char *name) | |
1fac938e | 1659 | { |
1660 | int ret; | |
1661 | int mode; | |
1662 | struct stat statbuf; | |
1663 | ||
1664 | ret = __gnat_stat (name, &statbuf); | |
1665 | mode = statbuf.st_mode & S_IWUSR; | |
1666 | return (!ret && mode); | |
1667 | } | |
1668 | ||
9dfe12ae | 1669 | void |
1670 | __gnat_set_writable (char *name) | |
1671 | { | |
5091bc2f | 1672 | #if ! defined (__vxworks) && ! defined(__nucleus__) |
9dfe12ae | 1673 | struct stat statbuf; |
1674 | ||
1675 | if (stat (name, &statbuf) == 0) | |
1676 | { | |
1677 | statbuf.st_mode = statbuf.st_mode | S_IWUSR; | |
1678 | chmod (name, statbuf.st_mode); | |
1679 | } | |
1680 | #endif | |
1681 | } | |
1682 | ||
5329ca64 | 1683 | void |
1684 | __gnat_set_executable (char *name) | |
1685 | { | |
5091bc2f | 1686 | #if ! defined (__vxworks) && ! defined(__nucleus__) |
5329ca64 | 1687 | struct stat statbuf; |
1688 | ||
1689 | if (stat (name, &statbuf) == 0) | |
1690 | { | |
1691 | statbuf.st_mode = statbuf.st_mode | S_IXUSR; | |
1692 | chmod (name, statbuf.st_mode); | |
1693 | } | |
1694 | #endif | |
1695 | } | |
1696 | ||
9dfe12ae | 1697 | void |
1698 | __gnat_set_readonly (char *name) | |
1699 | { | |
5091bc2f | 1700 | #if ! defined (__vxworks) && ! defined(__nucleus__) |
9dfe12ae | 1701 | struct stat statbuf; |
1702 | ||
1703 | if (stat (name, &statbuf) == 0) | |
1704 | { | |
1705 | statbuf.st_mode = statbuf.st_mode & 07577; | |
1706 | chmod (name, statbuf.st_mode); | |
1707 | } | |
1708 | #endif | |
1709 | } | |
1710 | ||
1711 | int | |
f0a28ccb | 1712 | __gnat_is_symbolic_link (char *name ATTRIBUTE_UNUSED) |
9dfe12ae | 1713 | { |
5091bc2f | 1714 | #if defined (__vxworks) || defined (__nucleus__) |
9dfe12ae | 1715 | return 0; |
1716 | ||
8e761191 | 1717 | #elif defined (_AIX) || defined (__APPLE__) || defined (__unix__) |
9dfe12ae | 1718 | int ret; |
1719 | struct stat statbuf; | |
1720 | ||
1721 | ret = lstat (name, &statbuf); | |
1722 | return (!ret && S_ISLNK (statbuf.st_mode)); | |
1723 | ||
1724 | #else | |
1725 | return 0; | |
1726 | #endif | |
1727 | } | |
1728 | ||
1fac938e | 1729 | #if defined (sun) && defined (__SVR4) |
1730 | /* Using fork on Solaris will duplicate all the threads. fork1, which | |
1731 | duplicates only the active thread, must be used instead, or spawning | |
1732 | subprocess from a program with tasking will lead into numerous problems. */ | |
1733 | #define fork fork1 | |
1734 | #endif | |
1735 | ||
1736 | int | |
9dfe12ae | 1737 | __gnat_portable_spawn (char *args[]) |
1fac938e | 1738 | { |
1739 | int status = 0; | |
f0a28ccb | 1740 | int finished ATTRIBUTE_UNUSED; |
1741 | int pid ATTRIBUTE_UNUSED; | |
1fac938e | 1742 | |
e2a33c18 | 1743 | #if defined (__vxworks) || defined(__nucleus__) || defined(RTX) |
1744 | return -1; | |
1745 | ||
1746 | #elif defined (MSDOS) || defined (_WIN32) | |
f270dc82 | 1747 | /* args[0] must be quotes as it could contain a full pathname with spaces */ |
38750fcd | 1748 | char *args_0 = args[0]; |
f270dc82 | 1749 | args[0] = (char *)xmalloc (strlen (args_0) + 3); |
1750 | strcpy (args[0], "\""); | |
1751 | strcat (args[0], args_0); | |
1752 | strcat (args[0], "\""); | |
1753 | ||
0b9eca83 | 1754 | status = spawnvp (P_WAIT, args_0, (const char* const*)args); |
f270dc82 | 1755 | |
1756 | /* restore previous value */ | |
1757 | free (args[0]); | |
8e761191 | 1758 | args[0] = (char *)args_0; |
f270dc82 | 1759 | |
1fac938e | 1760 | if (status < 0) |
f15731c4 | 1761 | return -1; |
1fac938e | 1762 | else |
1763 | return status; | |
1764 | ||
1fac938e | 1765 | #else |
1766 | ||
1767 | #ifdef __EMX__ | |
f15731c4 | 1768 | pid = spawnvp (P_NOWAIT, args[0], args); |
1fac938e | 1769 | if (pid == -1) |
f15731c4 | 1770 | return -1; |
1771 | ||
1fac938e | 1772 | #else |
1773 | pid = fork (); | |
f15731c4 | 1774 | if (pid < 0) |
1775 | return -1; | |
1fac938e | 1776 | |
f15731c4 | 1777 | if (pid == 0) |
1778 | { | |
1779 | /* The child. */ | |
6d9c3443 | 1780 | if (execv (args[0], MAYBE_TO_PTR32 (args)) != 0) |
f15731c4 | 1781 | #if defined (VMS) |
1782 | return -1; /* execv is in parent context on VMS. */ | |
1783 | #else | |
1784 | _exit (1); | |
1785 | #endif | |
1786 | } | |
1fac938e | 1787 | #endif |
1788 | ||
f15731c4 | 1789 | /* The parent. */ |
1fac938e | 1790 | finished = waitpid (pid, &status, 0); |
1791 | ||
1792 | if (finished != pid || WIFEXITED (status) == 0) | |
f15731c4 | 1793 | return -1; |
1fac938e | 1794 | |
1795 | return WEXITSTATUS (status); | |
1796 | #endif | |
f15731c4 | 1797 | |
1fac938e | 1798 | return 0; |
1799 | } | |
1800 | ||
8e761191 | 1801 | /* Create a copy of the given file descriptor. |
1802 | Return -1 if an error occurred. */ | |
1803 | ||
1804 | int | |
1805 | __gnat_dup (int oldfd) | |
1806 | { | |
8ffbc401 | 1807 | #if defined (__vxworks) && !defined (__RTP__) |
1808 | /* Not supported on VxWorks 5.x, but supported on VxWorks 6.0 when using | |
1809 | RTPs. */ | |
1810 | return -1; | |
8e761191 | 1811 | #else |
8ffbc401 | 1812 | return dup (oldfd); |
8e761191 | 1813 | #endif |
1814 | } | |
1815 | ||
1816 | /* Make newfd be the copy of oldfd, closing newfd first if necessary. | |
5e947a95 | 1817 | Return -1 if an error occurred. */ |
8e761191 | 1818 | |
1819 | int | |
1820 | __gnat_dup2 (int oldfd, int newfd) | |
1821 | { | |
8ffbc401 | 1822 | #if defined (__vxworks) && !defined (__RTP__) |
1823 | /* Not supported on VxWorks 5.x, but supported on VxWorks 6.0 when using | |
1824 | RTPs. */ | |
8e761191 | 1825 | return -1; |
1826 | #else | |
1827 | return dup2 (oldfd, newfd); | |
1828 | #endif | |
1829 | } | |
1830 | ||
f15731c4 | 1831 | /* WIN32 code to implement a wait call that wait for any child process. */ |
1832 | ||
e2a33c18 | 1833 | #if defined (_WIN32) && !defined (RTX) |
1fac938e | 1834 | |
1835 | /* Synchronization code, to be thread safe. */ | |
1836 | ||
1837 | static CRITICAL_SECTION plist_cs; | |
1838 | ||
1839 | void | |
f0a28ccb | 1840 | __gnat_plist_init (void) |
1fac938e | 1841 | { |
1842 | InitializeCriticalSection (&plist_cs); | |
1843 | } | |
1844 | ||
1845 | static void | |
f0a28ccb | 1846 | plist_enter (void) |
1fac938e | 1847 | { |
1848 | EnterCriticalSection (&plist_cs); | |
1849 | } | |
1850 | ||
f15731c4 | 1851 | static void |
f0a28ccb | 1852 | plist_leave (void) |
1fac938e | 1853 | { |
1854 | LeaveCriticalSection (&plist_cs); | |
1855 | } | |
1856 | ||
1857 | typedef struct _process_list | |
1858 | { | |
1859 | HANDLE h; | |
1860 | struct _process_list *next; | |
1861 | } Process_List; | |
1862 | ||
1863 | static Process_List *PLIST = NULL; | |
1864 | ||
1865 | static int plist_length = 0; | |
1866 | ||
1867 | static void | |
9dfe12ae | 1868 | add_handle (HANDLE h) |
1fac938e | 1869 | { |
1870 | Process_List *pl; | |
1871 | ||
1872 | pl = (Process_List *) xmalloc (sizeof (Process_List)); | |
1873 | ||
1874 | plist_enter(); | |
1875 | ||
1876 | /* -------------------- critical section -------------------- */ | |
1877 | pl->h = h; | |
1878 | pl->next = PLIST; | |
1879 | PLIST = pl; | |
1880 | ++plist_length; | |
1881 | /* -------------------- critical section -------------------- */ | |
1882 | ||
1883 | plist_leave(); | |
1884 | } | |
1885 | ||
f0a28ccb | 1886 | static void |
1887 | remove_handle (HANDLE h) | |
1fac938e | 1888 | { |
f0a28ccb | 1889 | Process_List *pl; |
1890 | Process_List *prev = NULL; | |
1fac938e | 1891 | |
1892 | plist_enter(); | |
1893 | ||
1894 | /* -------------------- critical section -------------------- */ | |
1895 | pl = PLIST; | |
1896 | while (pl) | |
1897 | { | |
1898 | if (pl->h == h) | |
1899 | { | |
1900 | if (pl == PLIST) | |
1901 | PLIST = pl->next; | |
1902 | else | |
1903 | prev->next = pl->next; | |
1904 | free (pl); | |
1905 | break; | |
1906 | } | |
1907 | else | |
1908 | { | |
1909 | prev = pl; | |
1910 | pl = pl->next; | |
1911 | } | |
1912 | } | |
1913 | ||
1914 | --plist_length; | |
1915 | /* -------------------- critical section -------------------- */ | |
1916 | ||
1917 | plist_leave(); | |
1918 | } | |
1919 | ||
1920 | static int | |
9dfe12ae | 1921 | win32_no_block_spawn (char *command, char *args[]) |
1fac938e | 1922 | { |
1923 | BOOL result; | |
1924 | STARTUPINFO SI; | |
1925 | PROCESS_INFORMATION PI; | |
1926 | SECURITY_ATTRIBUTES SA; | |
f15731c4 | 1927 | int csize = 1; |
1928 | char *full_command; | |
1fac938e | 1929 | int k; |
1930 | ||
f15731c4 | 1931 | /* compute the total command line length */ |
1932 | k = 0; | |
1933 | while (args[k]) | |
1934 | { | |
1935 | csize += strlen (args[k]) + 1; | |
1936 | k++; | |
1937 | } | |
1938 | ||
1939 | full_command = (char *) xmalloc (csize); | |
1940 | ||
1fac938e | 1941 | /* Startup info. */ |
1942 | SI.cb = sizeof (STARTUPINFO); | |
1943 | SI.lpReserved = NULL; | |
1944 | SI.lpReserved2 = NULL; | |
1945 | SI.lpDesktop = NULL; | |
1946 | SI.cbReserved2 = 0; | |
1947 | SI.lpTitle = NULL; | |
1948 | SI.dwFlags = 0; | |
1949 | SI.wShowWindow = SW_HIDE; | |
1950 | ||
1951 | /* Security attributes. */ | |
1952 | SA.nLength = sizeof (SECURITY_ATTRIBUTES); | |
1953 | SA.bInheritHandle = TRUE; | |
1954 | SA.lpSecurityDescriptor = NULL; | |
1955 | ||
1956 | /* Prepare the command string. */ | |
1957 | strcpy (full_command, command); | |
1958 | strcat (full_command, " "); | |
1959 | ||
1960 | k = 1; | |
1961 | while (args[k]) | |
1962 | { | |
1963 | strcat (full_command, args[k]); | |
1964 | strcat (full_command, " "); | |
1965 | k++; | |
1966 | } | |
1967 | ||
3b18b370 | 1968 | { |
1969 | int wsize = csize * 2; | |
1970 | TCHAR *wcommand = (TCHAR *) xmalloc (wsize); | |
1971 | ||
1e622f0e | 1972 | S2WSU (wcommand, full_command, wsize); |
3b18b370 | 1973 | |
1974 | free (full_command); | |
1fac938e | 1975 | |
3b18b370 | 1976 | result = CreateProcess |
1977 | (NULL, wcommand, &SA, NULL, TRUE, | |
1978 | GetPriorityClass (GetCurrentProcess()), NULL, NULL, &SI, &PI); | |
1979 | ||
1980 | free (wcommand); | |
1981 | } | |
f15731c4 | 1982 | |
1fac938e | 1983 | if (result == TRUE) |
1984 | { | |
1985 | add_handle (PI.hProcess); | |
1986 | CloseHandle (PI.hThread); | |
1987 | return (int) PI.hProcess; | |
1988 | } | |
1989 | else | |
1990 | return -1; | |
1991 | } | |
1992 | ||
1993 | static int | |
9dfe12ae | 1994 | win32_wait (int *status) |
1fac938e | 1995 | { |
1996 | DWORD exitcode; | |
1997 | HANDLE *hl; | |
1998 | HANDLE h; | |
1999 | DWORD res; | |
2000 | int k; | |
2001 | Process_List *pl; | |
2002 | ||
2003 | if (plist_length == 0) | |
2004 | { | |
2005 | errno = ECHILD; | |
2006 | return -1; | |
2007 | } | |
2008 | ||
2009 | hl = (HANDLE *) xmalloc (sizeof (HANDLE) * plist_length); | |
2010 | ||
2011 | k = 0; | |
2012 | plist_enter(); | |
2013 | ||
2014 | /* -------------------- critical section -------------------- */ | |
2015 | pl = PLIST; | |
2016 | while (pl) | |
2017 | { | |
2018 | hl[k++] = pl->h; | |
2019 | pl = pl->next; | |
2020 | } | |
2021 | /* -------------------- critical section -------------------- */ | |
2022 | ||
2023 | plist_leave(); | |
2024 | ||
2025 | res = WaitForMultipleObjects (plist_length, hl, FALSE, INFINITE); | |
f15731c4 | 2026 | h = hl[res - WAIT_OBJECT_0]; |
1fac938e | 2027 | free (hl); |
2028 | ||
2029 | remove_handle (h); | |
2030 | ||
2031 | GetExitCodeProcess (h, &exitcode); | |
2032 | CloseHandle (h); | |
2033 | ||
2034 | *status = (int) exitcode; | |
2035 | return (int) h; | |
2036 | } | |
2037 | ||
2038 | #endif | |
2039 | ||
2040 | int | |
9dfe12ae | 2041 | __gnat_portable_no_block_spawn (char *args[]) |
1fac938e | 2042 | { |
2043 | int pid = 0; | |
2044 | ||
e2a33c18 | 2045 | #if defined (__vxworks) || defined (__nucleus__) || defined (RTX) |
2046 | return -1; | |
2047 | ||
2048 | #elif defined (__EMX__) || defined (MSDOS) | |
1fac938e | 2049 | |
2050 | /* ??? For PC machines I (Franco) don't know the system calls to implement | |
2051 | this routine. So I'll fake it as follows. This routine will behave | |
2052 | exactly like the blocking portable_spawn and will systematically return | |
2053 | a pid of 0 unless the spawned task did not complete successfully, in | |
2054 | which case we return a pid of -1. To synchronize with this the | |
2055 | portable_wait below systematically returns a pid of 0 and reports that | |
2056 | the subprocess terminated successfully. */ | |
2057 | ||
f15731c4 | 2058 | if (spawnvp (P_WAIT, args[0], args) != 0) |
1fac938e | 2059 | return -1; |
2060 | ||
2061 | #elif defined (_WIN32) | |
2062 | ||
2063 | pid = win32_no_block_spawn (args[0], args); | |
2064 | return pid; | |
2065 | ||
1fac938e | 2066 | #else |
2067 | pid = fork (); | |
2068 | ||
f15731c4 | 2069 | if (pid == 0) |
2070 | { | |
2071 | /* The child. */ | |
6d9c3443 | 2072 | if (execv (args[0], MAYBE_TO_PTR32 (args)) != 0) |
f15731c4 | 2073 | #if defined (VMS) |
2074 | return -1; /* execv is in parent context on VMS. */ | |
9dfe12ae | 2075 | #else |
f15731c4 | 2076 | _exit (1); |
2077 | #endif | |
2078 | } | |
2079 | ||
1fac938e | 2080 | #endif |
2081 | ||
2082 | return pid; | |
2083 | } | |
2084 | ||
2085 | int | |
9dfe12ae | 2086 | __gnat_portable_wait (int *process_status) |
1fac938e | 2087 | { |
2088 | int status = 0; | |
2089 | int pid = 0; | |
2090 | ||
e2a33c18 | 2091 | #if defined (__vxworks) || defined (__nucleus__) || defined (RTX) |
2092 | /* Not sure what to do here, so do same as __EMX__ case, i.e., nothing but | |
2093 | return zero. */ | |
2094 | ||
2095 | #elif defined (_WIN32) | |
1fac938e | 2096 | |
2097 | pid = win32_wait (&status); | |
2098 | ||
2099 | #elif defined (__EMX__) || defined (MSDOS) | |
f15731c4 | 2100 | /* ??? See corresponding comment in portable_no_block_spawn. */ |
1fac938e | 2101 | |
1fac938e | 2102 | #else |
2103 | ||
1fac938e | 2104 | pid = waitpid (-1, &status, 0); |
1fac938e | 2105 | status = status & 0xffff; |
2106 | #endif | |
2107 | ||
2108 | *process_status = status; | |
2109 | return pid; | |
2110 | } | |
2111 | ||
2112 | void | |
9dfe12ae | 2113 | __gnat_os_exit (int status) |
1fac938e | 2114 | { |
1fac938e | 2115 | exit (status); |
1fac938e | 2116 | } |
2117 | ||
f15731c4 | 2118 | /* Locate a regular file, give a Path value. */ |
1fac938e | 2119 | |
2120 | char * | |
9dfe12ae | 2121 | __gnat_locate_regular_file (char *file_name, char *path_val) |
1fac938e | 2122 | { |
2123 | char *ptr; | |
c69ba469 | 2124 | char *file_path = alloca (strlen (file_name) + 1); |
2125 | int absolute; | |
2126 | ||
b51bcb1c | 2127 | /* Return immediately if file_name is empty */ |
2128 | ||
2129 | if (*file_name == '\0') | |
2130 | return 0; | |
2131 | ||
c69ba469 | 2132 | /* Remove quotes around file_name if present */ |
2133 | ||
2134 | ptr = file_name; | |
2135 | if (*ptr == '"') | |
2136 | ptr++; | |
2137 | ||
2138 | strcpy (file_path, ptr); | |
2139 | ||
2140 | ptr = file_path + strlen (file_path) - 1; | |
2141 | ||
2142 | if (*ptr == '"') | |
2143 | *ptr = '\0'; | |
1fac938e | 2144 | |
f15731c4 | 2145 | /* Handle absolute pathnames. */ |
c69ba469 | 2146 | |
2147 | absolute = __gnat_is_absolute_path (file_path, strlen (file_name)); | |
2148 | ||
9dfe12ae | 2149 | if (absolute) |
2150 | { | |
c69ba469 | 2151 | if (__gnat_is_regular_file (file_path)) |
2152 | return xstrdup (file_path); | |
9dfe12ae | 2153 | |
2154 | return 0; | |
2155 | } | |
2156 | ||
2157 | /* If file_name include directory separator(s), try it first as | |
2158 | a path name relative to the current directory */ | |
1fac938e | 2159 | for (ptr = file_name; *ptr && *ptr != '/' && *ptr != DIR_SEPARATOR; ptr++) |
2160 | ; | |
2161 | ||
9dfe12ae | 2162 | if (*ptr != 0) |
1fac938e | 2163 | { |
2164 | if (__gnat_is_regular_file (file_name)) | |
2165 | return xstrdup (file_name); | |
1fac938e | 2166 | } |
2167 | ||
2168 | if (path_val == 0) | |
2169 | return 0; | |
2170 | ||
2171 | { | |
2172 | /* The result has to be smaller than path_val + file_name. */ | |
2173 | char *file_path = alloca (strlen (path_val) + strlen (file_name) + 2); | |
2174 | ||
2175 | for (;;) | |
2176 | { | |
2177 | for (; *path_val == PATH_SEPARATOR; path_val++) | |
2178 | ; | |
2179 | ||
2180 | if (*path_val == 0) | |
2181 | return 0; | |
2182 | ||
c69ba469 | 2183 | /* Skip the starting quote */ |
2184 | ||
2185 | if (*path_val == '"') | |
2186 | path_val++; | |
2187 | ||
1fac938e | 2188 | for (ptr = file_path; *path_val && *path_val != PATH_SEPARATOR; ) |
c69ba469 | 2189 | *ptr++ = *path_val++; |
1fac938e | 2190 | |
2191 | ptr--; | |
c69ba469 | 2192 | |
2193 | /* Skip the ending quote */ | |
2194 | ||
2195 | if (*ptr == '"') | |
2196 | ptr--; | |
2197 | ||
1fac938e | 2198 | if (*ptr != '/' && *ptr != DIR_SEPARATOR) |
2199 | *++ptr = DIR_SEPARATOR; | |
2200 | ||
2201 | strcpy (++ptr, file_name); | |
2202 | ||
2203 | if (__gnat_is_regular_file (file_path)) | |
2204 | return xstrdup (file_path); | |
2205 | } | |
2206 | } | |
2207 | ||
2208 | return 0; | |
2209 | } | |
2210 | ||
1fac938e | 2211 | /* Locate an executable given a Path argument. This routine is only used by |
2212 | gnatbl and should not be used otherwise. Use locate_exec_on_path | |
f15731c4 | 2213 | instead. */ |
1fac938e | 2214 | |
2215 | char * | |
9dfe12ae | 2216 | __gnat_locate_exec (char *exec_name, char *path_val) |
1fac938e | 2217 | { |
fb31b465 | 2218 | char *ptr; |
1fac938e | 2219 | if (!strstr (exec_name, HOST_EXECUTABLE_SUFFIX)) |
2220 | { | |
2221 | char *full_exec_name | |
2222 | = alloca (strlen (exec_name) + strlen (HOST_EXECUTABLE_SUFFIX) + 1); | |
2223 | ||
2224 | strcpy (full_exec_name, exec_name); | |
2225 | strcat (full_exec_name, HOST_EXECUTABLE_SUFFIX); | |
fb31b465 | 2226 | ptr = __gnat_locate_regular_file (full_exec_name, path_val); |
2227 | ||
2228 | if (ptr == 0) | |
2229 | return __gnat_locate_regular_file (exec_name, path_val); | |
2230 | return ptr; | |
1fac938e | 2231 | } |
2232 | else | |
2233 | return __gnat_locate_regular_file (exec_name, path_val); | |
2234 | } | |
2235 | ||
f15731c4 | 2236 | /* Locate an executable using the Systems default PATH. */ |
1fac938e | 2237 | |
2238 | char * | |
9dfe12ae | 2239 | __gnat_locate_exec_on_path (char *exec_name) |
1fac938e | 2240 | { |
9dfe12ae | 2241 | char *apath_val; |
3b18b370 | 2242 | |
e2a33c18 | 2243 | #if defined (_WIN32) && !defined (RTX) |
3b18b370 | 2244 | TCHAR *wpath_val = _tgetenv (_T("PATH")); |
2245 | TCHAR *wapath_val; | |
9dfe12ae | 2246 | /* In Win32 systems we expand the PATH as for XP environment |
c69ba469 | 2247 | variables are not automatically expanded. We also prepend the |
2248 | ".;" to the path to match normal NT path search semantics */ | |
9dfe12ae | 2249 | |
c69ba469 | 2250 | #define EXPAND_BUFFER_SIZE 32767 |
9dfe12ae | 2251 | |
3b18b370 | 2252 | wapath_val = alloca (EXPAND_BUFFER_SIZE); |
c69ba469 | 2253 | |
3b18b370 | 2254 | wapath_val [0] = '.'; |
2255 | wapath_val [1] = ';'; | |
1fac938e | 2256 | |
c69ba469 | 2257 | DWORD res = ExpandEnvironmentStrings |
3b18b370 | 2258 | (wpath_val, &wapath_val[2], EXPAND_BUFFER_SIZE - 2); |
2259 | ||
2260 | if (!res) wapath_val [0] = _T('\0'); | |
2261 | ||
2262 | apath_val = alloca (EXPAND_BUFFER_SIZE); | |
2263 | ||
1e622f0e | 2264 | WS2SU (apath_val, wapath_val, EXPAND_BUFFER_SIZE); |
3b18b370 | 2265 | return __gnat_locate_exec (exec_name, apath_val); |
c69ba469 | 2266 | |
c69ba469 | 2267 | #else |
3b18b370 | 2268 | |
2269 | #ifdef VMS | |
2270 | char *path_val = "/VAXC$PATH"; | |
2271 | #else | |
2272 | char *path_val = getenv ("PATH"); | |
2273 | #endif | |
e2c62f37 | 2274 | if (path_val == NULL) return NULL; |
9dfe12ae | 2275 | apath_val = alloca (strlen (path_val) + 1); |
1fac938e | 2276 | strcpy (apath_val, path_val); |
2277 | return __gnat_locate_exec (exec_name, apath_val); | |
3b18b370 | 2278 | #endif |
1fac938e | 2279 | } |
2280 | ||
2281 | #ifdef VMS | |
2282 | ||
2283 | /* These functions are used to translate to and from VMS and Unix syntax | |
f15731c4 | 2284 | file, directory and path specifications. */ |
1fac938e | 2285 | |
9dfe12ae | 2286 | #define MAXPATH 256 |
1fac938e | 2287 | #define MAXNAMES 256 |
2288 | #define NEW_CANONICAL_FILELIST_INCREMENT 64 | |
2289 | ||
9dfe12ae | 2290 | static char new_canonical_dirspec [MAXPATH]; |
2291 | static char new_canonical_filespec [MAXPATH]; | |
2292 | static char new_canonical_pathspec [MAXNAMES*MAXPATH]; | |
1fac938e | 2293 | static unsigned new_canonical_filelist_index; |
2294 | static unsigned new_canonical_filelist_in_use; | |
2295 | static unsigned new_canonical_filelist_allocated; | |
2296 | static char **new_canonical_filelist; | |
9dfe12ae | 2297 | static char new_host_pathspec [MAXNAMES*MAXPATH]; |
2298 | static char new_host_dirspec [MAXPATH]; | |
2299 | static char new_host_filespec [MAXPATH]; | |
1fac938e | 2300 | |
2301 | /* Routine is called repeatedly by decc$from_vms via | |
9dfe12ae | 2302 | __gnat_to_canonical_file_list_init until it returns 0 or the expansion |
2303 | runs out. */ | |
1fac938e | 2304 | |
2305 | static int | |
9dfe12ae | 2306 | wildcard_translate_unix (char *name) |
1fac938e | 2307 | { |
2308 | char *ver; | |
9dfe12ae | 2309 | char buff [MAXPATH]; |
1fac938e | 2310 | |
9dfe12ae | 2311 | strncpy (buff, name, MAXPATH); |
2312 | buff [MAXPATH - 1] = (char) 0; | |
1fac938e | 2313 | ver = strrchr (buff, '.'); |
2314 | ||
f15731c4 | 2315 | /* Chop off the version. */ |
1fac938e | 2316 | if (ver) |
2317 | *ver = 0; | |
2318 | ||
f15731c4 | 2319 | /* Dynamically extend the allocation by the increment. */ |
1fac938e | 2320 | if (new_canonical_filelist_in_use == new_canonical_filelist_allocated) |
2321 | { | |
2322 | new_canonical_filelist_allocated += NEW_CANONICAL_FILELIST_INCREMENT; | |
f15731c4 | 2323 | new_canonical_filelist = (char **) xrealloc |
1fac938e | 2324 | (new_canonical_filelist, |
2325 | new_canonical_filelist_allocated * sizeof (char *)); | |
2326 | } | |
2327 | ||
2328 | new_canonical_filelist[new_canonical_filelist_in_use++] = xstrdup (buff); | |
2329 | ||
2330 | return 1; | |
2331 | } | |
2332 | ||
f15731c4 | 2333 | /* Translate a wildcard VMS file spec into a list of Unix file specs. First do |
2334 | full translation and copy the results into a list (_init), then return them | |
2335 | one at a time (_next). If onlydirs set, only expand directory files. */ | |
1fac938e | 2336 | |
2337 | int | |
9dfe12ae | 2338 | __gnat_to_canonical_file_list_init (char *filespec, int onlydirs) |
1fac938e | 2339 | { |
2340 | int len; | |
9dfe12ae | 2341 | char buff [MAXPATH]; |
1fac938e | 2342 | |
2343 | len = strlen (filespec); | |
9dfe12ae | 2344 | strncpy (buff, filespec, MAXPATH); |
2345 | ||
2346 | /* Only look for directories */ | |
2347 | if (onlydirs && !strstr (&buff [len-5], "*.dir")) | |
2348 | strncat (buff, "*.dir", MAXPATH); | |
1fac938e | 2349 | |
9dfe12ae | 2350 | buff [MAXPATH - 1] = (char) 0; |
1fac938e | 2351 | |
2352 | decc$from_vms (buff, wildcard_translate_unix, 1); | |
2353 | ||
f15731c4 | 2354 | /* Remove the .dir extension. */ |
1fac938e | 2355 | if (onlydirs) |
2356 | { | |
2357 | int i; | |
2358 | char *ext; | |
2359 | ||
2360 | for (i = 0; i < new_canonical_filelist_in_use; i++) | |
2361 | { | |
f15731c4 | 2362 | ext = strstr (new_canonical_filelist[i], ".dir"); |
1fac938e | 2363 | if (ext) |
2364 | *ext = 0; | |
2365 | } | |
2366 | } | |
2367 | ||
2368 | return new_canonical_filelist_in_use; | |
2369 | } | |
2370 | ||
f15731c4 | 2371 | /* Return the next filespec in the list. */ |
1fac938e | 2372 | |
2373 | char * | |
2374 | __gnat_to_canonical_file_list_next () | |
2375 | { | |
f15731c4 | 2376 | return new_canonical_filelist[new_canonical_filelist_index++]; |
1fac938e | 2377 | } |
2378 | ||
f15731c4 | 2379 | /* Free storage used in the wildcard expansion. */ |
1fac938e | 2380 | |
2381 | void | |
2382 | __gnat_to_canonical_file_list_free () | |
2383 | { | |
2384 | int i; | |
2385 | ||
2386 | for (i = 0; i < new_canonical_filelist_in_use; i++) | |
f15731c4 | 2387 | free (new_canonical_filelist[i]); |
1fac938e | 2388 | |
2389 | free (new_canonical_filelist); | |
2390 | ||
2391 | new_canonical_filelist_in_use = 0; | |
2392 | new_canonical_filelist_allocated = 0; | |
2393 | new_canonical_filelist_index = 0; | |
2394 | new_canonical_filelist = 0; | |
2395 | } | |
2396 | ||
b12d3a0b | 2397 | /* The functional equivalent of decc$translate_vms routine. |
2398 | Designed to produce the same output, but is protected against | |
2399 | malformed paths (original version ACCVIOs in this case) and | |
2400 | does not require VMS-specific DECC RTL */ | |
2401 | ||
2402 | #define NAM$C_MAXRSS 1024 | |
2403 | ||
2404 | char * | |
2405 | __gnat_translate_vms (char *src) | |
2406 | { | |
2407 | static char retbuf [NAM$C_MAXRSS+1]; | |
2408 | char *srcendpos, *pos1, *pos2, *retpos; | |
2409 | int disp, path_present = 0; | |
2410 | ||
2411 | if (!src) return NULL; | |
2412 | ||
2413 | srcendpos = strchr (src, '\0'); | |
2414 | retpos = retbuf; | |
2415 | ||
2416 | /* Look for the node and/or device in front of the path */ | |
2417 | pos1 = src; | |
2418 | pos2 = strchr (pos1, ':'); | |
2419 | ||
2420 | if (pos2 && (pos2 < srcendpos) && (*(pos2 + 1) == ':')) { | |
2421 | /* There is a node name. "node_name::" becomes "node_name!" */ | |
2422 | disp = pos2 - pos1; | |
2423 | strncpy (retbuf, pos1, disp); | |
2424 | retpos [disp] = '!'; | |
2425 | retpos = retpos + disp + 1; | |
2426 | pos1 = pos2 + 2; | |
2427 | pos2 = strchr (pos1, ':'); | |
2428 | } | |
2429 | ||
2430 | if (pos2) { | |
2431 | /* There is a device name. "dev_name:" becomes "/dev_name/" */ | |
2432 | *(retpos++) = '/'; | |
2433 | disp = pos2 - pos1; | |
2434 | strncpy (retpos, pos1, disp); | |
2435 | retpos = retpos + disp; | |
2436 | pos1 = pos2 + 1; | |
2437 | *(retpos++) = '/'; | |
2438 | } | |
2439 | else | |
2440 | /* No explicit device; we must look ahead and prepend /sys$disk/ if | |
2441 | the path is absolute */ | |
2442 | if ((*pos1 == '[' || *pos1 == '<') && (pos1 < srcendpos) | |
2443 | && !strchr (".-]>", *(pos1 + 1))) { | |
2444 | strncpy (retpos, "/sys$disk/", 10); | |
2445 | retpos += 10; | |
2446 | } | |
2447 | ||
2448 | /* Process the path part */ | |
2449 | while (*pos1 == '[' || *pos1 == '<') { | |
2450 | path_present++; | |
2451 | pos1++; | |
2452 | if (*pos1 == ']' || *pos1 == '>') { | |
2453 | /* Special case, [] translates to '.' */ | |
2454 | *(retpos++) = '.'; | |
2455 | pos1++; | |
2456 | } | |
2457 | else { | |
2458 | /* '[000000' means root dir. It can be present in the middle of | |
2459 | the path due to expansion of logical devices, in which case | |
2460 | we skip it */ | |
2461 | if (!strncmp (pos1, "000000", 6) && path_present > 1 && | |
2462 | (*(pos1 + 6) == ']' || *(pos1 + 6) == '>' || *(pos1 + 6) == '.')) { | |
2463 | pos1 += 6; | |
2464 | if (*pos1 == '.') pos1++; | |
2465 | } | |
2466 | else if (*pos1 == '.') { | |
2467 | /* Relative path */ | |
2468 | *(retpos++) = '.'; | |
2469 | } | |
2470 | ||
2359306a | 2471 | /* There is a qualified path */ |
2472 | while (*pos1 && *pos1 != ']' && *pos1 != '>') { | |
b12d3a0b | 2473 | switch (*pos1) { |
2474 | case '.': | |
2475 | /* '.' is used to separate directories. Replace it with '/' but | |
2476 | only if there isn't already '/' just before */ | |
2477 | if (*(retpos - 1) != '/') *(retpos++) = '/'; | |
2478 | pos1++; | |
2479 | if (pos1 + 1 < srcendpos && *pos1 == '.' && *(pos1 + 1) == '.') { | |
2480 | /* ellipsis refers to entire subtree; replace with '**' */ | |
2481 | *(retpos++) = '*'; *(retpos++) = '*'; *(retpos++) = '/'; | |
2482 | pos1 += 2; | |
2483 | } | |
2484 | break; | |
2485 | case '-' : | |
2359306a | 2486 | /* When after '.' '[' '<' is equivalent to Unix ".." but there |
2487 | may be several in a row */ | |
2488 | if (*(pos1 - 1) == '.' || *(pos1 - 1) == '[' || | |
2489 | *(pos1 - 1) == '<') { | |
2490 | while (*pos1 == '-') { | |
2491 | pos1++; | |
2492 | *(retpos++) = '.'; *(retpos++) = '.'; *(retpos++) = '/'; | |
2493 | } | |
2494 | retpos--; | |
2495 | break; | |
b12d3a0b | 2496 | } |
2359306a | 2497 | /* otherwise fall through to default */ |
b12d3a0b | 2498 | default: |
2499 | *(retpos++) = *(pos1++); | |
2500 | } | |
2501 | } | |
2502 | pos1++; | |
2503 | } | |
2504 | } | |
2505 | ||
2506 | if (pos1 < srcendpos) { | |
2507 | /* Now add the actual file name, until the version suffix if any */ | |
2508 | if (path_present) *(retpos++) = '/'; | |
2509 | pos2 = strchr (pos1, ';'); | |
2510 | disp = pos2? (pos2 - pos1) : (srcendpos - pos1); | |
2511 | strncpy (retpos, pos1, disp); | |
2512 | retpos += disp; | |
2513 | if (pos2 && pos2 < srcendpos) { | |
2514 | /* There is a non-empty version suffix. ";<ver>" becomes ".<ver>" */ | |
2515 | *retpos++ = '.'; | |
2516 | disp = srcendpos - pos2 - 1; | |
2517 | strncpy (retpos, pos2 + 1, disp); | |
2518 | retpos += disp; | |
2519 | } | |
2520 | } | |
2521 | ||
2522 | *retpos = '\0'; | |
2523 | ||
2524 | return retbuf; | |
2525 | ||
2526 | } | |
2527 | ||
f15731c4 | 2528 | /* Translate a VMS syntax directory specification in to Unix syntax. If |
2529 | PREFIXFLAG is set, append an underscore "/". If no indicators of VMS syntax | |
2530 | found, return input string. Also translate a dirname that contains no | |
2531 | slashes, in case it's a logical name. */ | |
1fac938e | 2532 | |
2533 | char * | |
9dfe12ae | 2534 | __gnat_to_canonical_dir_spec (char *dirspec, int prefixflag) |
1fac938e | 2535 | { |
2536 | int len; | |
2537 | ||
2538 | strcpy (new_canonical_dirspec, ""); | |
2539 | if (strlen (dirspec)) | |
2540 | { | |
2541 | char *dirspec1; | |
2542 | ||
2543 | if (strchr (dirspec, ']') || strchr (dirspec, ':')) | |
9dfe12ae | 2544 | { |
2545 | strncpy (new_canonical_dirspec, | |
b12d3a0b | 2546 | __gnat_translate_vms (dirspec), |
9dfe12ae | 2547 | MAXPATH); |
2548 | } | |
1fac938e | 2549 | else if (!strchr (dirspec, '/') && (dirspec1 = getenv (dirspec)) != 0) |
9dfe12ae | 2550 | { |
2551 | strncpy (new_canonical_dirspec, | |
b12d3a0b | 2552 | __gnat_translate_vms (dirspec1), |
9dfe12ae | 2553 | MAXPATH); |
2554 | } | |
1fac938e | 2555 | else |
9dfe12ae | 2556 | { |
2557 | strncpy (new_canonical_dirspec, dirspec, MAXPATH); | |
2558 | } | |
1fac938e | 2559 | } |
2560 | ||
2561 | len = strlen (new_canonical_dirspec); | |
9dfe12ae | 2562 | if (prefixflag && new_canonical_dirspec [len-1] != '/') |
2563 | strncat (new_canonical_dirspec, "/", MAXPATH); | |
2564 | ||
2565 | new_canonical_dirspec [MAXPATH - 1] = (char) 0; | |
1fac938e | 2566 | |
2567 | return new_canonical_dirspec; | |
2568 | ||
2569 | } | |
2570 | ||
2571 | /* Translate a VMS syntax file specification into Unix syntax. | |
3cc2671a | 2572 | If no indicators of VMS syntax found, check if it's an uppercase |
23c6b287 | 2573 | alphanumeric_ name and if so try it out as an environment |
2574 | variable (logical name). If all else fails return the | |
2575 | input string. */ | |
1fac938e | 2576 | |
2577 | char * | |
9dfe12ae | 2578 | __gnat_to_canonical_file_spec (char *filespec) |
1fac938e | 2579 | { |
23c6b287 | 2580 | char *filespec1; |
2581 | ||
9dfe12ae | 2582 | strncpy (new_canonical_filespec, "", MAXPATH); |
2583 | ||
1fac938e | 2584 | if (strchr (filespec, ']') || strchr (filespec, ':')) |
9dfe12ae | 2585 | { |
2359306a | 2586 | char *tspec = (char *) __gnat_translate_vms (filespec); |
c69ba469 | 2587 | |
2588 | if (tspec != (char *) -1) | |
2589 | strncpy (new_canonical_filespec, tspec, MAXPATH); | |
23c6b287 | 2590 | } |
2591 | else if ((strlen (filespec) == strspn (filespec, | |
2592 | "ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789_")) | |
2593 | && (filespec1 = getenv (filespec))) | |
2594 | { | |
2359306a | 2595 | char *tspec = (char *) __gnat_translate_vms (filespec1); |
c69ba469 | 2596 | |
2597 | if (tspec != (char *) -1) | |
2598 | strncpy (new_canonical_filespec, tspec, MAXPATH); | |
9dfe12ae | 2599 | } |
1fac938e | 2600 | else |
9dfe12ae | 2601 | { |
2602 | strncpy (new_canonical_filespec, filespec, MAXPATH); | |
2603 | } | |
2604 | ||
2605 | new_canonical_filespec [MAXPATH - 1] = (char) 0; | |
1fac938e | 2606 | |
2607 | return new_canonical_filespec; | |
2608 | } | |
2609 | ||
2610 | /* Translate a VMS syntax path specification into Unix syntax. | |
f15731c4 | 2611 | If no indicators of VMS syntax found, return input string. */ |
1fac938e | 2612 | |
2613 | char * | |
9dfe12ae | 2614 | __gnat_to_canonical_path_spec (char *pathspec) |
1fac938e | 2615 | { |
9dfe12ae | 2616 | char *curr, *next, buff [MAXPATH]; |
1fac938e | 2617 | |
2618 | if (pathspec == 0) | |
2619 | return pathspec; | |
2620 | ||
f15731c4 | 2621 | /* If there are /'s, assume it's a Unix path spec and return. */ |
1fac938e | 2622 | if (strchr (pathspec, '/')) |
2623 | return pathspec; | |
2624 | ||
f15731c4 | 2625 | new_canonical_pathspec[0] = 0; |
1fac938e | 2626 | curr = pathspec; |
2627 | ||
2628 | for (;;) | |
2629 | { | |
2630 | next = strchr (curr, ','); | |
2631 | if (next == 0) | |
2632 | next = strchr (curr, 0); | |
2633 | ||
2634 | strncpy (buff, curr, next - curr); | |
f15731c4 | 2635 | buff[next - curr] = 0; |
1fac938e | 2636 | |
f15731c4 | 2637 | /* Check for wildcards and expand if present. */ |
1fac938e | 2638 | if (strchr (buff, '*') || strchr (buff, '%') || strstr (buff, "...")) |
2639 | { | |
2640 | int i, dirs; | |
2641 | ||
2642 | dirs = __gnat_to_canonical_file_list_init (buff, 1); | |
2643 | for (i = 0; i < dirs; i++) | |
2644 | { | |
2645 | char *next_dir; | |
2646 | ||
2647 | next_dir = __gnat_to_canonical_file_list_next (); | |
9dfe12ae | 2648 | strncat (new_canonical_pathspec, next_dir, MAXPATH); |
1fac938e | 2649 | |
f15731c4 | 2650 | /* Don't append the separator after the last expansion. */ |
1fac938e | 2651 | if (i+1 < dirs) |
9dfe12ae | 2652 | strncat (new_canonical_pathspec, ":", MAXPATH); |
1fac938e | 2653 | } |
2654 | ||
2655 | __gnat_to_canonical_file_list_free (); | |
2656 | } | |
2657 | else | |
9dfe12ae | 2658 | strncat (new_canonical_pathspec, |
2659 | __gnat_to_canonical_dir_spec (buff, 0), MAXPATH); | |
1fac938e | 2660 | |
2661 | if (*next == 0) | |
2662 | break; | |
2663 | ||
9dfe12ae | 2664 | strncat (new_canonical_pathspec, ":", MAXPATH); |
1fac938e | 2665 | curr = next + 1; |
2666 | } | |
2667 | ||
9dfe12ae | 2668 | new_canonical_pathspec [MAXPATH - 1] = (char) 0; |
2669 | ||
1fac938e | 2670 | return new_canonical_pathspec; |
2671 | } | |
2672 | ||
9dfe12ae | 2673 | static char filename_buff [MAXPATH]; |
1fac938e | 2674 | |
2675 | static int | |
9dfe12ae | 2676 | translate_unix (char *name, int type) |
1fac938e | 2677 | { |
9dfe12ae | 2678 | strncpy (filename_buff, name, MAXPATH); |
2679 | filename_buff [MAXPATH - 1] = (char) 0; | |
1fac938e | 2680 | return 0; |
2681 | } | |
2682 | ||
f15731c4 | 2683 | /* Translate a Unix syntax path spec into a VMS style (comma separated list of |
2684 | directories. */ | |
1fac938e | 2685 | |
2686 | static char * | |
9dfe12ae | 2687 | to_host_path_spec (char *pathspec) |
1fac938e | 2688 | { |
9dfe12ae | 2689 | char *curr, *next, buff [MAXPATH]; |
1fac938e | 2690 | |
2691 | if (pathspec == 0) | |
2692 | return pathspec; | |
2693 | ||
f15731c4 | 2694 | /* Can't very well test for colons, since that's the Unix separator! */ |
1fac938e | 2695 | if (strchr (pathspec, ']') || strchr (pathspec, ',')) |
2696 | return pathspec; | |
2697 | ||
f15731c4 | 2698 | new_host_pathspec[0] = 0; |
1fac938e | 2699 | curr = pathspec; |
2700 | ||
2701 | for (;;) | |
2702 | { | |
2703 | next = strchr (curr, ':'); | |
2704 | if (next == 0) | |
2705 | next = strchr (curr, 0); | |
2706 | ||
2707 | strncpy (buff, curr, next - curr); | |
f15731c4 | 2708 | buff[next - curr] = 0; |
1fac938e | 2709 | |
9dfe12ae | 2710 | strncat (new_host_pathspec, __gnat_to_host_dir_spec (buff, 0), MAXPATH); |
1fac938e | 2711 | if (*next == 0) |
2712 | break; | |
9dfe12ae | 2713 | strncat (new_host_pathspec, ",", MAXPATH); |
1fac938e | 2714 | curr = next + 1; |
2715 | } | |
2716 | ||
9dfe12ae | 2717 | new_host_pathspec [MAXPATH - 1] = (char) 0; |
2718 | ||
1fac938e | 2719 | return new_host_pathspec; |
2720 | } | |
2721 | ||
f15731c4 | 2722 | /* Translate a Unix syntax directory specification into VMS syntax. The |
2723 | PREFIXFLAG has no effect, but is kept for symmetry with | |
2724 | to_canonical_dir_spec. If indicators of VMS syntax found, return input | |
2725 | string. */ | |
1fac938e | 2726 | |
2727 | char * | |
9dfe12ae | 2728 | __gnat_to_host_dir_spec (char *dirspec, int prefixflag ATTRIBUTE_UNUSED) |
1fac938e | 2729 | { |
2730 | int len = strlen (dirspec); | |
2731 | ||
9dfe12ae | 2732 | strncpy (new_host_dirspec, dirspec, MAXPATH); |
2733 | new_host_dirspec [MAXPATH - 1] = (char) 0; | |
1fac938e | 2734 | |
2735 | if (strchr (new_host_dirspec, ']') || strchr (new_host_dirspec, ':')) | |
2736 | return new_host_dirspec; | |
2737 | ||
f15731c4 | 2738 | while (len > 1 && new_host_dirspec[len - 1] == '/') |
1fac938e | 2739 | { |
f15731c4 | 2740 | new_host_dirspec[len - 1] = 0; |
1fac938e | 2741 | len--; |
2742 | } | |
2743 | ||
2744 | decc$to_vms (new_host_dirspec, translate_unix, 1, 2); | |
9dfe12ae | 2745 | strncpy (new_host_dirspec, filename_buff, MAXPATH); |
2746 | new_host_dirspec [MAXPATH - 1] = (char) 0; | |
1fac938e | 2747 | |
2748 | return new_host_dirspec; | |
1fac938e | 2749 | } |
2750 | ||
2751 | /* Translate a Unix syntax file specification into VMS syntax. | |
f15731c4 | 2752 | If indicators of VMS syntax found, return input string. */ |
1fac938e | 2753 | |
2754 | char * | |
9dfe12ae | 2755 | __gnat_to_host_file_spec (char *filespec) |
1fac938e | 2756 | { |
9dfe12ae | 2757 | strncpy (new_host_filespec, "", MAXPATH); |
1fac938e | 2758 | if (strchr (filespec, ']') || strchr (filespec, ':')) |
9dfe12ae | 2759 | { |
2760 | strncpy (new_host_filespec, filespec, MAXPATH); | |
2761 | } | |
1fac938e | 2762 | else |
2763 | { | |
2764 | decc$to_vms (filespec, translate_unix, 1, 1); | |
9dfe12ae | 2765 | strncpy (new_host_filespec, filename_buff, MAXPATH); |
1fac938e | 2766 | } |
2767 | ||
9dfe12ae | 2768 | new_host_filespec [MAXPATH - 1] = (char) 0; |
2769 | ||
1fac938e | 2770 | return new_host_filespec; |
2771 | } | |
2772 | ||
2773 | void | |
2774 | __gnat_adjust_os_resource_limits () | |
2775 | { | |
2776 | SYS$ADJWSL (131072, 0); | |
2777 | } | |
2778 | ||
9dfe12ae | 2779 | #else /* VMS */ |
1fac938e | 2780 | |
f15731c4 | 2781 | /* Dummy functions for Osint import for non-VMS systems. */ |
1fac938e | 2782 | |
2783 | int | |
9dfe12ae | 2784 | __gnat_to_canonical_file_list_init |
2785 | (char *dirspec ATTRIBUTE_UNUSED, int onlydirs ATTRIBUTE_UNUSED) | |
1fac938e | 2786 | { |
2787 | return 0; | |
2788 | } | |
2789 | ||
2790 | char * | |
6f2c2693 | 2791 | __gnat_to_canonical_file_list_next (void) |
1fac938e | 2792 | { |
2793 | return (char *) ""; | |
2794 | } | |
2795 | ||
2796 | void | |
6f2c2693 | 2797 | __gnat_to_canonical_file_list_free (void) |
1fac938e | 2798 | { |
2799 | } | |
2800 | ||
2801 | char * | |
9dfe12ae | 2802 | __gnat_to_canonical_dir_spec (char *dirspec, int prefixflag ATTRIBUTE_UNUSED) |
1fac938e | 2803 | { |
2804 | return dirspec; | |
2805 | } | |
2806 | ||
2807 | char * | |
9dfe12ae | 2808 | __gnat_to_canonical_file_spec (char *filespec) |
1fac938e | 2809 | { |
2810 | return filespec; | |
2811 | } | |
2812 | ||
2813 | char * | |
9dfe12ae | 2814 | __gnat_to_canonical_path_spec (char *pathspec) |
1fac938e | 2815 | { |
2816 | return pathspec; | |
2817 | } | |
2818 | ||
2819 | char * | |
9dfe12ae | 2820 | __gnat_to_host_dir_spec (char *dirspec, int prefixflag ATTRIBUTE_UNUSED) |
1fac938e | 2821 | { |
2822 | return dirspec; | |
2823 | } | |
2824 | ||
2825 | char * | |
9dfe12ae | 2826 | __gnat_to_host_file_spec (char *filespec) |
1fac938e | 2827 | { |
2828 | return filespec; | |
2829 | } | |
2830 | ||
2831 | void | |
6f2c2693 | 2832 | __gnat_adjust_os_resource_limits (void) |
1fac938e | 2833 | { |
2834 | } | |
2835 | ||
2836 | #endif | |
2837 | ||
f15731c4 | 2838 | /* For EMX, we cannot include dummy in libgcc, since it is too difficult |
1fac938e | 2839 | to coordinate this with the EMX distribution. Consequently, we put the |
f15731c4 | 2840 | definition of dummy which is used for exception handling, here. */ |
1fac938e | 2841 | |
2842 | #if defined (__EMX__) | |
2843 | void __dummy () {} | |
2844 | #endif | |
2845 | ||
2846 | #if defined (__mips_vxworks) | |
9dfe12ae | 2847 | int |
2848 | _flush_cache() | |
1fac938e | 2849 | { |
2850 | CACHE_USER_FLUSH (0, ENTIRE_CACHE); | |
2851 | } | |
2852 | #endif | |
2853 | ||
29d774d0 | 2854 | #if defined (CROSS_DIRECTORY_STRUCTURE) \ |
a3b0f4f2 | 2855 | || (! ((defined (sparc) || defined (i386)) && defined (sun) \ |
2856 | && defined (__SVR4)) \ | |
c69ba469 | 2857 | && ! (defined (linux) && (defined (i386) || defined (__x86_64__))) \ |
a3b0f4f2 | 2858 | && ! (defined (linux) && defined (__ia64__)) \ |
40a4417a | 2859 | && ! defined (__FreeBSD__) \ |
21a87c1d | 2860 | && ! defined (__hpux__) \ |
ba706ed3 | 2861 | && ! defined (__APPLE__) \ |
9dfe12ae | 2862 | && ! defined (_AIX) \ |
1fac938e | 2863 | && ! (defined (__alpha__) && defined (__osf__)) \ |
3b18b370 | 2864 | && ! defined (VMS) \ |
80d4fec4 | 2865 | && ! defined (__MINGW32__) \ |
2866 | && ! (defined (__mips) && defined (__sgi))) | |
f15731c4 | 2867 | |
a3b0f4f2 | 2868 | /* Dummy function to satisfy g-trasym.o. See the preprocessor conditional |
2869 | just above for a list of native platforms that provide a non-dummy | |
2870 | version of this procedure in libaddr2line.a. */ | |
1fac938e | 2871 | |
2872 | void | |
1e622f0e | 2873 | convert_addresses (const char *file_name ATTRIBUTE_UNUSED, |
2874 | void *addrs ATTRIBUTE_UNUSED, | |
9dfe12ae | 2875 | int n_addr ATTRIBUTE_UNUSED, |
2876 | void *buf ATTRIBUTE_UNUSED, | |
2877 | int *len ATTRIBUTE_UNUSED) | |
1fac938e | 2878 | { |
2879 | *len = 0; | |
2880 | } | |
2881 | #endif | |
f15731c4 | 2882 | |
2883 | #if defined (_WIN32) | |
2884 | int __gnat_argument_needs_quote = 1; | |
2885 | #else | |
2886 | int __gnat_argument_needs_quote = 0; | |
2887 | #endif | |
9dfe12ae | 2888 | |
2889 | /* This option is used to enable/disable object files handling from the | |
2890 | binder file by the GNAT Project module. For example, this is disabled on | |
e0f42093 | 2891 | Windows (prior to GCC 3.4) as it is already done by the mdll module. |
2892 | Stating with GCC 3.4 the shared libraries are not based on mdll | |
2893 | anymore as it uses the GCC's -shared option */ | |
2894 | #if defined (_WIN32) \ | |
2895 | && ((__GNUC__ < 3) || ((__GNUC__ == 3) && (__GNUC_MINOR__ < 4))) | |
9dfe12ae | 2896 | int __gnat_prj_add_obj_files = 0; |
2897 | #else | |
2898 | int __gnat_prj_add_obj_files = 1; | |
2899 | #endif | |
2900 | ||
2901 | /* char used as prefix/suffix for environment variables */ | |
2902 | #if defined (_WIN32) | |
2903 | char __gnat_environment_char = '%'; | |
2904 | #else | |
2905 | char __gnat_environment_char = '$'; | |
2906 | #endif | |
2907 | ||
2908 | /* This functions copy the file attributes from a source file to a | |
2909 | destination file. | |
2910 | ||
2911 | mode = 0 : In this mode copy only the file time stamps (last access and | |
2912 | last modification time stamps). | |
2913 | ||
2914 | mode = 1 : In this mode, time stamps and read/write/execute attributes are | |
2915 | copied. | |
2916 | ||
2917 | Returns 0 if operation was successful and -1 in case of error. */ | |
2918 | ||
2919 | int | |
2920 | __gnat_copy_attribs (char *from, char *to, int mode) | |
2921 | { | |
5091bc2f | 2922 | #if defined (VMS) || defined (__vxworks) || defined (__nucleus__) |
9dfe12ae | 2923 | return -1; |
2924 | #else | |
2925 | struct stat fbuf; | |
2926 | struct utimbuf tbuf; | |
2927 | ||
2928 | if (stat (from, &fbuf) == -1) | |
2929 | { | |
2930 | return -1; | |
2931 | } | |
2932 | ||
2933 | tbuf.actime = fbuf.st_atime; | |
2934 | tbuf.modtime = fbuf.st_mtime; | |
2935 | ||
2936 | if (utime (to, &tbuf) == -1) | |
2937 | { | |
2938 | return -1; | |
2939 | } | |
2940 | ||
2941 | if (mode == 1) | |
2942 | { | |
2943 | if (chmod (to, fbuf.st_mode) == -1) | |
2944 | { | |
2945 | return -1; | |
2946 | } | |
2947 | } | |
2948 | ||
2949 | return 0; | |
2950 | #endif | |
2951 | } | |
2952 | ||
cf6d853e | 2953 | int |
2954 | __gnat_lseek (int fd, long offset, int whence) | |
2955 | { | |
2956 | return (int) lseek (fd, offset, whence); | |
2957 | } | |
0914a918 | 2958 | |
e2c62f37 | 2959 | /* This function returns the major version number of GCC being used. */ |
0914a918 | 2960 | int |
2961 | get_gcc_version (void) | |
2962 | { | |
e2c62f37 | 2963 | #ifdef IN_RTS |
2964 | return __GNUC__; | |
2965 | #else | |
2966 | return (int) (version_string[0] - '0'); | |
2967 | #endif | |
0914a918 | 2968 | } |
6d9c3443 | 2969 | |
2970 | int | |
de10c095 | 2971 | __gnat_set_close_on_exec (int fd ATTRIBUTE_UNUSED, |
2972 | int close_on_exec_p ATTRIBUTE_UNUSED) | |
6d9c3443 | 2973 | { |
2974 | #if defined (F_GETFD) && defined (FD_CLOEXEC) && ! defined (__vxworks) | |
2975 | int flags = fcntl (fd, F_GETFD, 0); | |
2976 | if (flags < 0) | |
2977 | return flags; | |
2978 | if (close_on_exec_p) | |
2979 | flags |= FD_CLOEXEC; | |
2980 | else | |
2981 | flags &= ~FD_CLOEXEC; | |
2982 | return fcntl (fd, F_SETFD, flags | FD_CLOEXEC); | |
2983 | #else | |
2984 | return -1; | |
2985 | /* For the Windows case, we should use SetHandleInformation to remove | |
2986 | the HANDLE_INHERIT property from fd. This is not implemented yet, | |
2987 | but for our purposes (support of GNAT.Expect) this does not matter, | |
2988 | as by default handles are *not* inherited. */ | |
2989 | #endif | |
2990 | } | |
fb31b465 | 2991 | |
2992 | /* Indicates if platforms supports automatic initialization through the | |
2993 | constructor mechanism */ | |
2994 | int | |
2995 | __gnat_binder_supports_auto_init () | |
2996 | { | |
2997 | #ifdef VMS | |
2998 | return 0; | |
2999 | #else | |
3000 | return 1; | |
3001 | #endif | |
3002 | } | |
3003 | ||
3004 | /* Indicates that Stand-Alone Libraries are automatically initialized through | |
3005 | the constructor mechanism */ | |
3006 | int | |
3007 | __gnat_sals_init_using_constructors () | |
3008 | { | |
3009 | #if defined (__vxworks) || defined (__Lynx__) || defined (VMS) | |
3010 | return 0; | |
3011 | #else | |
3012 | return 1; | |
3013 | #endif | |
3014 | } | |
e2a33c18 | 3015 | |
3016 | /* In RTX mode, the procedure to get the time (as file time) is different | |
3017 | in RTSS mode and Win32 mode. In order to avoid duplicating an Ada file, | |
3018 | we introduce an intermediate procedure to link against the corresponding | |
3019 | one in each situation. */ | |
3020 | #ifdef RTX | |
3021 | ||
3022 | void GetTimeAsFileTime(LPFILETIME pTime) | |
3023 | { | |
3024 | #ifdef RTSS | |
3025 | RtGetRtssTimeAsFileTime (pTime); /* RTSS interface */ | |
3026 | #else | |
3027 | GetSystemTimeAsFileTime (pTime); /* w32 interface */ | |
3028 | #endif | |
3029 | } | |
3030 | #endif | |
3031 | ||
3032 | #if defined (linux) | |
3033 | /* pthread affinity support */ | |
3034 | ||
3035 | #ifdef CPU_SETSIZE | |
3036 | #include <pthread.h> | |
3037 | int | |
3038 | __gnat_pthread_setaffinity_np (pthread_t th, | |
3039 | size_t cpusetsize, | |
3040 | const cpu_set_t *cpuset) | |
3041 | { | |
3042 | return pthread_setaffinity_np (th, cpusetsize, cpuset); | |
3043 | } | |
3044 | #else | |
3045 | int | |
3046 | __gnat_pthread_setaffinity_np (pthread_t th, | |
3047 | size_t cpusetsize, | |
3048 | const void *cpuset) | |
3049 | { | |
3050 | return 0; | |
3051 | } | |
3052 | #endif | |
3053 | #endif |