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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 | * * | |
a17c817e | 9 | * Copyright (C) 1992-2008, 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 | ||
a17c817e | 362 | /* Return the current local time as a string in the ISO 8601 format of |
363 | "YYYY-MM-DD HH:MM:SS.SS". The returned string is 22 + 1 (NULL) characters | |
364 | long. */ | |
365 | ||
366 | void | |
367 | __gnat_current_time_string | |
368 | (char *result) | |
369 | { | |
370 | const char *format = "%Y-%m-%d %H:%M:%S"; | |
371 | /* Format string necessary to describe the ISO 8601 format */ | |
372 | ||
373 | const time_t t_val = time (NULL); | |
374 | ||
375 | strftime (result, 22, format, localtime (&t_val)); | |
376 | /* Convert the local time into a string following the ISO format, copying | |
377 | at most 22 characters into the result string. */ | |
378 | ||
379 | result [19] = '.'; | |
380 | result [20] = '0'; | |
381 | result [21] = '0'; | |
382 | /* The sub-seconds are manually set to zero since type time_t lacks the | |
383 | precision necessary for nanoseconds. */ | |
384 | } | |
385 | ||
1fac938e | 386 | void |
9dfe12ae | 387 | __gnat_to_gm_time |
388 | (OS_Time *p_time, | |
389 | int *p_year, | |
390 | int *p_month, | |
391 | int *p_day, | |
392 | int *p_hours, | |
393 | int *p_mins, | |
394 | int *p_secs) | |
1fac938e | 395 | { |
396 | struct tm *res; | |
9dfe12ae | 397 | time_t time = (time_t) *p_time; |
1fac938e | 398 | |
399 | #ifdef _WIN32 | |
400 | /* On Windows systems, the time is sometimes rounded up to the nearest | |
401 | even second, so if the number of seconds is odd, increment it. */ | |
402 | if (time & 1) | |
403 | time++; | |
404 | #endif | |
405 | ||
9dfe12ae | 406 | #ifdef VMS |
407 | res = localtime (&time); | |
408 | #else | |
1fac938e | 409 | res = gmtime (&time); |
9dfe12ae | 410 | #endif |
1fac938e | 411 | |
412 | if (res) | |
413 | { | |
414 | *p_year = res->tm_year; | |
415 | *p_month = res->tm_mon; | |
416 | *p_day = res->tm_mday; | |
417 | *p_hours = res->tm_hour; | |
418 | *p_mins = res->tm_min; | |
419 | *p_secs = res->tm_sec; | |
f15731c4 | 420 | } |
1fac938e | 421 | else |
422 | *p_year = *p_month = *p_day = *p_hours = *p_mins = *p_secs = 0; | |
423 | } | |
424 | ||
425 | /* Place the contents of the symbolic link named PATH in the buffer BUF, | |
426 | which has size BUFSIZ. If PATH is a symbolic link, then return the number | |
5091bc2f | 427 | of characters of its content in BUF. Otherwise, return -1. |
428 | For systems not supporting symbolic links, always return -1. */ | |
1fac938e | 429 | |
9dfe12ae | 430 | int |
f0a28ccb | 431 | __gnat_readlink (char *path ATTRIBUTE_UNUSED, |
432 | char *buf ATTRIBUTE_UNUSED, | |
433 | size_t bufsiz ATTRIBUTE_UNUSED) | |
1fac938e | 434 | { |
5091bc2f | 435 | #if defined (MSDOS) || defined (_WIN32) || defined (__EMX__) \ |
acc10cf1 | 436 | || defined (VMS) || defined(__vxworks) || defined (__nucleus__) |
1fac938e | 437 | return -1; |
438 | #else | |
439 | return readlink (path, buf, bufsiz); | |
440 | #endif | |
441 | } | |
442 | ||
5091bc2f | 443 | /* Creates a symbolic link named NEWPATH which contains the string OLDPATH. |
444 | If NEWPATH exists it will NOT be overwritten. | |
445 | For systems not supporting symbolic links, always return -1. */ | |
1fac938e | 446 | |
447 | int | |
f0a28ccb | 448 | __gnat_symlink (char *oldpath ATTRIBUTE_UNUSED, |
449 | char *newpath ATTRIBUTE_UNUSED) | |
1fac938e | 450 | { |
5091bc2f | 451 | #if defined (MSDOS) || defined (_WIN32) || defined (__EMX__) \ |
acc10cf1 | 452 | || defined (VMS) || defined(__vxworks) || defined (__nucleus__) |
1fac938e | 453 | return -1; |
454 | #else | |
455 | return symlink (oldpath, newpath); | |
456 | #endif | |
457 | } | |
458 | ||
f15731c4 | 459 | /* Try to lock a file, return 1 if success. */ |
1fac938e | 460 | |
a17c817e | 461 | #if defined (__vxworks) || defined (__nucleus__) || defined (MSDOS) \ |
462 | || defined (_WIN32) | |
1fac938e | 463 | |
464 | /* Version that does not use link. */ | |
465 | ||
466 | int | |
9dfe12ae | 467 | __gnat_try_lock (char *dir, char *file) |
1fac938e | 468 | { |
1fac938e | 469 | int fd; |
3b18b370 | 470 | #ifdef __MINGW32__ |
471 | TCHAR wfull_path[GNAT_MAX_PATH_LEN]; | |
472 | TCHAR wfile[GNAT_MAX_PATH_LEN]; | |
473 | TCHAR wdir[GNAT_MAX_PATH_LEN]; | |
474 | ||
1e622f0e | 475 | S2WSU (wdir, dir, GNAT_MAX_PATH_LEN); |
476 | S2WSU (wfile, file, GNAT_MAX_PATH_LEN); | |
3b18b370 | 477 | |
478 | _stprintf (wfull_path, _T("%s%c%s"), wdir, _T(DIR_SEPARATOR), wfile); | |
479 | fd = _topen (wfull_path, O_CREAT | O_EXCL, 0600); | |
480 | #else | |
481 | char full_path[256]; | |
1fac938e | 482 | |
483 | sprintf (full_path, "%s%c%s", dir, DIR_SEPARATOR, file); | |
484 | fd = open (full_path, O_CREAT | O_EXCL, 0600); | |
3b18b370 | 485 | #endif |
486 | ||
f15731c4 | 487 | if (fd < 0) |
1fac938e | 488 | return 0; |
f15731c4 | 489 | |
1fac938e | 490 | close (fd); |
491 | return 1; | |
492 | } | |
493 | ||
494 | #elif defined (__EMX__) || defined (VMS) | |
495 | ||
496 | /* More cases that do not use link; identical code, to solve too long | |
497 | line problem ??? */ | |
498 | ||
499 | int | |
9dfe12ae | 500 | __gnat_try_lock (char *dir, char *file) |
1fac938e | 501 | { |
f15731c4 | 502 | char full_path[256]; |
1fac938e | 503 | int fd; |
504 | ||
505 | sprintf (full_path, "%s%c%s", dir, DIR_SEPARATOR, file); | |
506 | fd = open (full_path, O_CREAT | O_EXCL, 0600); | |
3b18b370 | 507 | |
1fac938e | 508 | if (fd < 0) |
509 | return 0; | |
510 | ||
511 | close (fd); | |
512 | return 1; | |
513 | } | |
514 | ||
515 | #else | |
f15731c4 | 516 | |
1fac938e | 517 | /* Version using link(), more secure over NFS. */ |
9dfe12ae | 518 | /* See TN 6913-016 for discussion ??? */ |
1fac938e | 519 | |
520 | int | |
9dfe12ae | 521 | __gnat_try_lock (char *dir, char *file) |
1fac938e | 522 | { |
f15731c4 | 523 | char full_path[256]; |
524 | char temp_file[256]; | |
1fac938e | 525 | struct stat stat_result; |
526 | int fd; | |
527 | ||
528 | sprintf (full_path, "%s%c%s", dir, DIR_SEPARATOR, file); | |
4a3f445c | 529 | sprintf (temp_file, "%s%cTMP-%ld-%ld", |
530 | dir, DIR_SEPARATOR, (long)getpid(), (long)getppid ()); | |
1fac938e | 531 | |
f15731c4 | 532 | /* Create the temporary file and write the process number. */ |
1fac938e | 533 | fd = open (temp_file, O_CREAT | O_WRONLY, 0600); |
534 | if (fd < 0) | |
535 | return 0; | |
536 | ||
537 | close (fd); | |
538 | ||
f15731c4 | 539 | /* Link it with the new file. */ |
1fac938e | 540 | link (temp_file, full_path); |
541 | ||
542 | /* Count the references on the old one. If we have a count of two, then | |
f15731c4 | 543 | the link did succeed. Remove the temporary file before returning. */ |
1fac938e | 544 | __gnat_stat (temp_file, &stat_result); |
545 | unlink (temp_file); | |
546 | return stat_result.st_nlink == 2; | |
547 | } | |
548 | #endif | |
549 | ||
550 | /* Return the maximum file name length. */ | |
551 | ||
552 | int | |
6f2c2693 | 553 | __gnat_get_maximum_file_name_length (void) |
1fac938e | 554 | { |
f15731c4 | 555 | #if defined (MSDOS) |
1fac938e | 556 | return 8; |
557 | #elif defined (VMS) | |
558 | if (getenv ("GNAT$EXTENDED_FILE_SPECIFICATIONS")) | |
559 | return -1; | |
560 | else | |
561 | return 39; | |
562 | #else | |
563 | return -1; | |
564 | #endif | |
565 | } | |
566 | ||
1fac938e | 567 | /* Return nonzero if file names are case sensitive. */ |
568 | ||
569 | int | |
6f2c2693 | 570 | __gnat_get_file_names_case_sensitive (void) |
1fac938e | 571 | { |
f15731c4 | 572 | #if defined (__EMX__) || defined (MSDOS) || defined (VMS) || defined (WINNT) |
1fac938e | 573 | return 0; |
574 | #else | |
575 | return 1; | |
576 | #endif | |
577 | } | |
578 | ||
579 | char | |
6f2c2693 | 580 | __gnat_get_default_identifier_character_set (void) |
1fac938e | 581 | { |
582 | #if defined (__EMX__) || defined (MSDOS) | |
583 | return 'p'; | |
584 | #else | |
585 | return '1'; | |
586 | #endif | |
587 | } | |
588 | ||
f15731c4 | 589 | /* Return the current working directory. */ |
1fac938e | 590 | |
591 | void | |
9dfe12ae | 592 | __gnat_get_current_dir (char *dir, int *length) |
1fac938e | 593 | { |
3b18b370 | 594 | #if defined (__MINGW32__) |
595 | TCHAR wdir[GNAT_MAX_PATH_LEN]; | |
596 | ||
597 | _tgetcwd (wdir, *length); | |
598 | ||
1e622f0e | 599 | WS2SU (dir, wdir, GNAT_MAX_PATH_LEN); |
3b18b370 | 600 | |
601 | #elif defined (VMS) | |
1fac938e | 602 | /* Force Unix style, which is what GNAT uses internally. */ |
603 | getcwd (dir, *length, 0); | |
604 | #else | |
605 | getcwd (dir, *length); | |
606 | #endif | |
607 | ||
608 | *length = strlen (dir); | |
609 | ||
9dfe12ae | 610 | if (dir [*length - 1] != DIR_SEPARATOR) |
611 | { | |
612 | dir [*length] = DIR_SEPARATOR; | |
613 | ++(*length); | |
614 | } | |
f15731c4 | 615 | dir[*length] = '\0'; |
1fac938e | 616 | } |
617 | ||
f15731c4 | 618 | /* Return the suffix for object files. */ |
1fac938e | 619 | |
620 | void | |
9dfe12ae | 621 | __gnat_get_object_suffix_ptr (int *len, const char **value) |
1fac938e | 622 | { |
623 | *value = HOST_OBJECT_SUFFIX; | |
624 | ||
625 | if (*value == 0) | |
626 | *len = 0; | |
627 | else | |
628 | *len = strlen (*value); | |
629 | ||
630 | return; | |
631 | } | |
632 | ||
f15731c4 | 633 | /* Return the suffix for executable files. */ |
1fac938e | 634 | |
635 | void | |
9dfe12ae | 636 | __gnat_get_executable_suffix_ptr (int *len, const char **value) |
1fac938e | 637 | { |
638 | *value = HOST_EXECUTABLE_SUFFIX; | |
639 | if (!*value) | |
640 | *len = 0; | |
641 | else | |
642 | *len = strlen (*value); | |
643 | ||
644 | return; | |
645 | } | |
646 | ||
647 | /* Return the suffix for debuggable files. Usually this is the same as the | |
f15731c4 | 648 | executable extension. */ |
1fac938e | 649 | |
650 | void | |
9dfe12ae | 651 | __gnat_get_debuggable_suffix_ptr (int *len, const char **value) |
1fac938e | 652 | { |
653 | #ifndef MSDOS | |
654 | *value = HOST_EXECUTABLE_SUFFIX; | |
655 | #else | |
f15731c4 | 656 | /* On DOS, the extensionless COFF file is what gdb likes. */ |
1fac938e | 657 | *value = ""; |
658 | #endif | |
659 | ||
660 | if (*value == 0) | |
661 | *len = 0; | |
662 | else | |
663 | *len = strlen (*value); | |
664 | ||
665 | return; | |
666 | } | |
667 | ||
1aa4b9ce | 668 | /* Returns the OS filename and corresponding encoding. */ |
669 | ||
670 | void | |
c62e34a4 | 671 | __gnat_os_filename (char *filename, char *w_filename ATTRIBUTE_UNUSED, |
1aa4b9ce | 672 | char *os_name, int *o_length, |
c62e34a4 | 673 | char *encoding ATTRIBUTE_UNUSED, int *e_length) |
1aa4b9ce | 674 | { |
675 | #if defined (_WIN32) && ! defined (__vxworks) && ! defined (CROSS_DIRECTORY_STRUCTURE) | |
676 | WS2SU (os_name, (TCHAR *)w_filename, o_length); | |
677 | *o_length = strlen (os_name); | |
678 | strcpy (encoding, "encoding=utf8"); | |
679 | *e_length = strlen (encoding); | |
680 | #else | |
681 | strcpy (os_name, filename); | |
682 | *o_length = strlen (filename); | |
683 | *e_length = 0; | |
684 | #endif | |
685 | } | |
686 | ||
e2c62f37 | 687 | FILE * |
c62e34a4 | 688 | __gnat_fopen (char *path, char *mode, int encoding ATTRIBUTE_UNUSED) |
e2c62f37 | 689 | { |
29d774d0 | 690 | #if defined (_WIN32) && ! defined (__vxworks) && ! defined (CROSS_DIRECTORY_STRUCTURE) |
e2c62f37 | 691 | TCHAR wpath[GNAT_MAX_PATH_LEN]; |
692 | TCHAR wmode[10]; | |
693 | ||
e2c62f37 | 694 | S2WS (wmode, mode, 10); |
1e622f0e | 695 | |
696 | if (encoding == Encoding_UTF8) | |
697 | S2WSU (wpath, path, GNAT_MAX_PATH_LEN); | |
698 | else | |
699 | S2WS (wpath, path, GNAT_MAX_PATH_LEN); | |
700 | ||
e2c62f37 | 701 | return _tfopen (wpath, wmode); |
1e622f0e | 702 | #elif defined (VMS) |
703 | return decc$fopen (path, mode); | |
e2c62f37 | 704 | #else |
705 | return fopen (path, mode); | |
706 | #endif | |
707 | } | |
708 | ||
e2c62f37 | 709 | FILE * |
c62e34a4 | 710 | __gnat_freopen (char *path, char *mode, FILE *stream, int encoding ATTRIBUTE_UNUSED) |
e2c62f37 | 711 | { |
29d774d0 | 712 | #if defined (_WIN32) && ! defined (__vxworks) && ! defined (CROSS_DIRECTORY_STRUCTURE) |
e2c62f37 | 713 | TCHAR wpath[GNAT_MAX_PATH_LEN]; |
714 | TCHAR wmode[10]; | |
715 | ||
e2c62f37 | 716 | S2WS (wmode, mode, 10); |
1e622f0e | 717 | |
718 | if (encoding == Encoding_UTF8) | |
719 | S2WSU (wpath, path, GNAT_MAX_PATH_LEN); | |
720 | else | |
721 | S2WS (wpath, path, GNAT_MAX_PATH_LEN); | |
722 | ||
e2c62f37 | 723 | return _tfreopen (wpath, wmode, stream); |
1e622f0e | 724 | #elif defined (VMS) |
725 | return decc$freopen (path, mode, stream); | |
e2c62f37 | 726 | #else |
727 | return freopen (path, mode, stream); | |
728 | #endif | |
729 | } | |
730 | ||
1fac938e | 731 | int |
9dfe12ae | 732 | __gnat_open_read (char *path, int fmode) |
1fac938e | 733 | { |
734 | int fd; | |
735 | int o_fmode = O_BINARY; | |
736 | ||
737 | if (fmode) | |
738 | o_fmode = O_TEXT; | |
739 | ||
f15731c4 | 740 | #if defined (VMS) |
741 | /* Optional arguments mbc,deq,fop increase read performance. */ | |
1fac938e | 742 | fd = open (path, O_RDONLY | o_fmode, 0444, |
743 | "mbc=16", "deq=64", "fop=tef"); | |
f15731c4 | 744 | #elif defined (__vxworks) |
1fac938e | 745 | fd = open (path, O_RDONLY | o_fmode, 0444); |
3b18b370 | 746 | #elif defined (__MINGW32__) |
747 | { | |
748 | TCHAR wpath[GNAT_MAX_PATH_LEN]; | |
749 | ||
1e622f0e | 750 | S2WSU (wpath, path, GNAT_MAX_PATH_LEN); |
3b18b370 | 751 | fd = _topen (wpath, O_RDONLY | o_fmode, 0444); |
752 | } | |
1fac938e | 753 | #else |
754 | fd = open (path, O_RDONLY | o_fmode); | |
755 | #endif | |
f15731c4 | 756 | |
1fac938e | 757 | return fd < 0 ? -1 : fd; |
758 | } | |
759 | ||
9dfe12ae | 760 | #if defined (__EMX__) || defined (__MINGW32__) |
1fac938e | 761 | #define PERM (S_IREAD | S_IWRITE) |
9dfe12ae | 762 | #elif defined (VMS) |
763 | /* Excerpt from DECC C RTL Reference Manual: | |
764 | To create files with OpenVMS RMS default protections using the UNIX | |
765 | system-call functions umask, mkdir, creat, and open, call mkdir, creat, | |
766 | and open with a file-protection mode argument of 0777 in a program | |
767 | that never specifically calls umask. These default protections include | |
768 | correctly establishing protections based on ACLs, previous versions of | |
769 | files, and so on. */ | |
770 | #define PERM 0777 | |
1fac938e | 771 | #else |
772 | #define PERM (S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH | S_IWOTH) | |
773 | #endif | |
774 | ||
775 | int | |
9dfe12ae | 776 | __gnat_open_rw (char *path, int fmode) |
1fac938e | 777 | { |
778 | int fd; | |
779 | int o_fmode = O_BINARY; | |
780 | ||
781 | if (fmode) | |
782 | o_fmode = O_TEXT; | |
783 | ||
f15731c4 | 784 | #if defined (VMS) |
1fac938e | 785 | fd = open (path, O_RDWR | o_fmode, PERM, |
786 | "mbc=16", "deq=64", "fop=tef"); | |
3b18b370 | 787 | #elif defined (__MINGW32__) |
788 | { | |
789 | TCHAR wpath[GNAT_MAX_PATH_LEN]; | |
790 | ||
1e622f0e | 791 | S2WSU (wpath, path, GNAT_MAX_PATH_LEN); |
3b18b370 | 792 | fd = _topen (wpath, O_RDWR | o_fmode, PERM); |
793 | } | |
1fac938e | 794 | #else |
795 | fd = open (path, O_RDWR | o_fmode, PERM); | |
796 | #endif | |
797 | ||
798 | return fd < 0 ? -1 : fd; | |
799 | } | |
800 | ||
801 | int | |
9dfe12ae | 802 | __gnat_open_create (char *path, int fmode) |
1fac938e | 803 | { |
804 | int fd; | |
805 | int o_fmode = O_BINARY; | |
806 | ||
807 | if (fmode) | |
808 | o_fmode = O_TEXT; | |
809 | ||
f15731c4 | 810 | #if defined (VMS) |
1fac938e | 811 | fd = open (path, O_WRONLY | O_CREAT | O_TRUNC | o_fmode, PERM, |
812 | "mbc=16", "deq=64", "fop=tef"); | |
3b18b370 | 813 | #elif defined (__MINGW32__) |
814 | { | |
815 | TCHAR wpath[GNAT_MAX_PATH_LEN]; | |
816 | ||
1e622f0e | 817 | S2WSU (wpath, path, GNAT_MAX_PATH_LEN); |
3b18b370 | 818 | fd = _topen (wpath, O_WRONLY | O_CREAT | O_TRUNC | o_fmode, PERM); |
819 | } | |
1fac938e | 820 | #else |
821 | fd = open (path, O_WRONLY | O_CREAT | O_TRUNC | o_fmode, PERM); | |
822 | #endif | |
823 | ||
824 | return fd < 0 ? -1 : fd; | |
28ed91d4 | 825 | } |
826 | ||
827 | int | |
828 | __gnat_create_output_file (char *path) | |
829 | { | |
830 | int fd; | |
831 | #if defined (VMS) | |
832 | fd = open (path, O_WRONLY | O_CREAT | O_TRUNC | O_TEXT, PERM, | |
833 | "rfm=stmlf", "ctx=rec", "rat=none", "rop=nlk", | |
834 | "shr=del,get,put,upd"); | |
3b18b370 | 835 | #elif defined (__MINGW32__) |
836 | { | |
837 | TCHAR wpath[GNAT_MAX_PATH_LEN]; | |
838 | ||
1e622f0e | 839 | S2WSU (wpath, path, GNAT_MAX_PATH_LEN); |
3b18b370 | 840 | fd = _topen (wpath, O_WRONLY | O_CREAT | O_TRUNC | O_TEXT, PERM); |
841 | } | |
28ed91d4 | 842 | #else |
843 | fd = open (path, O_WRONLY | O_CREAT | O_TRUNC | O_TEXT, PERM); | |
844 | #endif | |
845 | ||
846 | return fd < 0 ? -1 : fd; | |
1fac938e | 847 | } |
848 | ||
849 | int | |
9dfe12ae | 850 | __gnat_open_append (char *path, int fmode) |
1fac938e | 851 | { |
852 | int fd; | |
853 | int o_fmode = O_BINARY; | |
854 | ||
855 | if (fmode) | |
856 | o_fmode = O_TEXT; | |
857 | ||
f15731c4 | 858 | #if defined (VMS) |
1fac938e | 859 | fd = open (path, O_WRONLY | O_CREAT | O_APPEND | o_fmode, PERM, |
860 | "mbc=16", "deq=64", "fop=tef"); | |
3b18b370 | 861 | #elif defined (__MINGW32__) |
862 | { | |
863 | TCHAR wpath[GNAT_MAX_PATH_LEN]; | |
864 | ||
1e622f0e | 865 | S2WSU (wpath, path, GNAT_MAX_PATH_LEN); |
3b18b370 | 866 | fd = _topen (wpath, O_WRONLY | O_CREAT | O_APPEND | o_fmode, PERM); |
867 | } | |
1fac938e | 868 | #else |
869 | fd = open (path, O_WRONLY | O_CREAT | O_APPEND | o_fmode, PERM); | |
870 | #endif | |
871 | ||
872 | return fd < 0 ? -1 : fd; | |
873 | } | |
874 | ||
f15731c4 | 875 | /* Open a new file. Return error (-1) if the file already exists. */ |
1fac938e | 876 | |
877 | int | |
9dfe12ae | 878 | __gnat_open_new (char *path, int fmode) |
1fac938e | 879 | { |
880 | int fd; | |
881 | int o_fmode = O_BINARY; | |
882 | ||
883 | if (fmode) | |
884 | o_fmode = O_TEXT; | |
885 | ||
f15731c4 | 886 | #if defined (VMS) |
1fac938e | 887 | fd = open (path, O_WRONLY | O_CREAT | O_EXCL | o_fmode, PERM, |
888 | "mbc=16", "deq=64", "fop=tef"); | |
3b18b370 | 889 | #elif defined (__MINGW32__) |
890 | { | |
891 | TCHAR wpath[GNAT_MAX_PATH_LEN]; | |
892 | ||
1e622f0e | 893 | S2WSU (wpath, path, GNAT_MAX_PATH_LEN); |
3b18b370 | 894 | fd = _topen (wpath, O_WRONLY | O_CREAT | O_EXCL | o_fmode, PERM); |
895 | } | |
1fac938e | 896 | #else |
897 | fd = open (path, O_WRONLY | O_CREAT | O_EXCL | o_fmode, PERM); | |
898 | #endif | |
899 | ||
900 | return fd < 0 ? -1 : fd; | |
901 | } | |
902 | ||
903 | /* Open a new temp file. Return error (-1) if the file already exists. | |
f15731c4 | 904 | Special options for VMS allow the file to be shared between parent and child |
905 | processes, however they really slow down output. Used in gnatchop. */ | |
1fac938e | 906 | |
907 | int | |
9dfe12ae | 908 | __gnat_open_new_temp (char *path, int fmode) |
1fac938e | 909 | { |
910 | int fd; | |
911 | int o_fmode = O_BINARY; | |
912 | ||
913 | strcpy (path, "GNAT-XXXXXX"); | |
914 | ||
e0324ff5 | 915 | #if (defined (__FreeBSD__) || defined (__NetBSD__) || defined (__OpenBSD__) \ |
9d093602 | 916 | || defined (linux) || defined(__GLIBC__)) && !defined (__vxworks) |
1fac938e | 917 | return mkstemp (path); |
159eb63c | 918 | #elif defined (__Lynx__) |
919 | mktemp (path); | |
5091bc2f | 920 | #elif defined (__nucleus__) |
921 | return -1; | |
1fac938e | 922 | #else |
923 | if (mktemp (path) == NULL) | |
924 | return -1; | |
925 | #endif | |
926 | ||
927 | if (fmode) | |
928 | o_fmode = O_TEXT; | |
929 | ||
f15731c4 | 930 | #if defined (VMS) |
1fac938e | 931 | fd = open (path, O_WRONLY | O_CREAT | O_EXCL | o_fmode, PERM, |
932 | "rfm=stmlf", "ctx=rec", "rat=none", "shr=del,get,put,upd", | |
933 | "mbc=16", "deq=64", "fop=tef"); | |
934 | #else | |
935 | fd = open (path, O_WRONLY | O_CREAT | O_EXCL | o_fmode, PERM); | |
936 | #endif | |
937 | ||
938 | return fd < 0 ? -1 : fd; | |
939 | } | |
940 | ||
f15731c4 | 941 | /* Return the number of bytes in the specified file. */ |
1fac938e | 942 | |
943 | long | |
9dfe12ae | 944 | __gnat_file_length (int fd) |
1fac938e | 945 | { |
946 | int ret; | |
947 | struct stat statbuf; | |
948 | ||
949 | ret = fstat (fd, &statbuf); | |
950 | if (ret || !S_ISREG (statbuf.st_mode)) | |
951 | return 0; | |
952 | ||
953 | return (statbuf.st_size); | |
954 | } | |
955 | ||
d24d7e81 | 956 | /* Return the number of bytes in the specified named file. */ |
957 | ||
958 | long | |
959 | __gnat_named_file_length (char *name) | |
960 | { | |
961 | int ret; | |
962 | struct stat statbuf; | |
963 | ||
964 | ret = __gnat_stat (name, &statbuf); | |
965 | if (ret || !S_ISREG (statbuf.st_mode)) | |
966 | return 0; | |
967 | ||
968 | return (statbuf.st_size); | |
969 | } | |
970 | ||
1fac938e | 971 | /* Create a temporary filename and put it in string pointed to by |
f15731c4 | 972 | TMP_FILENAME. */ |
1fac938e | 973 | |
974 | void | |
9dfe12ae | 975 | __gnat_tmp_name (char *tmp_filename) |
1fac938e | 976 | { |
977 | #ifdef __MINGW32__ | |
978 | { | |
979 | char *pname; | |
980 | ||
981 | /* tempnam tries to create a temporary file in directory pointed to by | |
982 | TMP environment variable, in c:\temp if TMP is not set, and in | |
983 | directory specified by P_tmpdir in stdio.h if c:\temp does not | |
984 | exist. The filename will be created with the prefix "gnat-". */ | |
985 | ||
986 | pname = (char *) tempnam ("c:\\temp", "gnat-"); | |
987 | ||
9dfe12ae | 988 | /* if pname is NULL, the file was not created properly, the disk is full |
989 | or there is no more free temporary files */ | |
990 | ||
991 | if (pname == NULL) | |
992 | *tmp_filename = '\0'; | |
993 | ||
f15731c4 | 994 | /* If pname start with a back slash and not path information it means that |
995 | the filename is valid for the current working directory. */ | |
1fac938e | 996 | |
9dfe12ae | 997 | else if (pname[0] == '\\') |
1fac938e | 998 | { |
999 | strcpy (tmp_filename, ".\\"); | |
1000 | strcat (tmp_filename, pname+1); | |
1001 | } | |
1002 | else | |
1003 | strcpy (tmp_filename, pname); | |
1004 | ||
1005 | free (pname); | |
1006 | } | |
f15731c4 | 1007 | |
e0324ff5 | 1008 | #elif defined (linux) || defined (__FreeBSD__) || defined (__NetBSD__) \ |
9d093602 | 1009 | || defined (__OpenBSD__) || defined(__GLIBC__) |
9dfe12ae | 1010 | #define MAX_SAFE_PATH 1000 |
1fac938e | 1011 | char *tmpdir = getenv ("TMPDIR"); |
1012 | ||
9dfe12ae | 1013 | /* If tmpdir is longer than MAX_SAFE_PATH, revert to default value to avoid |
1014 | a buffer overflow. */ | |
1015 | if (tmpdir == NULL || strlen (tmpdir) > MAX_SAFE_PATH) | |
1fac938e | 1016 | strcpy (tmp_filename, "/tmp/gnat-XXXXXX"); |
1017 | else | |
9dfe12ae | 1018 | sprintf (tmp_filename, "%s/gnat-XXXXXX", tmpdir); |
1fac938e | 1019 | |
1020 | close (mkstemp(tmp_filename)); | |
1021 | #else | |
1022 | tmpnam (tmp_filename); | |
1023 | #endif | |
1024 | } | |
1025 | ||
3b18b370 | 1026 | /* Open directory and returns a DIR pointer. */ |
1027 | ||
1028 | DIR* __gnat_opendir (char *name) | |
1029 | { | |
e2a33c18 | 1030 | #if defined (RTX) |
1031 | /* Not supported in RTX */ | |
1032 | ||
1033 | return NULL; | |
1034 | ||
1035 | #elif defined (__MINGW32__) | |
3b18b370 | 1036 | TCHAR wname[GNAT_MAX_PATH_LEN]; |
1037 | ||
1e622f0e | 1038 | S2WSU (wname, name, GNAT_MAX_PATH_LEN); |
3b18b370 | 1039 | return (DIR*)_topendir (wname); |
1040 | ||
1041 | #else | |
1042 | return opendir (name); | |
1043 | #endif | |
1044 | } | |
1045 | ||
1fac938e | 1046 | /* Read the next entry in a directory. The returned string points somewhere |
1047 | in the buffer. */ | |
1048 | ||
1049 | char * | |
3b18b370 | 1050 | __gnat_readdir (DIR *dirp, char *buffer, int *len) |
1fac938e | 1051 | { |
e2a33c18 | 1052 | #if defined (RTX) |
1053 | /* Not supported in RTX */ | |
1054 | ||
1055 | return NULL; | |
1056 | #elif defined (__MINGW32__) | |
3b18b370 | 1057 | struct _tdirent *dirent = _treaddir ((_TDIR*)dirp); |
1058 | ||
1059 | if (dirent != NULL) | |
1060 | { | |
1e622f0e | 1061 | WS2SU (buffer, dirent->d_name, GNAT_MAX_PATH_LEN); |
3b18b370 | 1062 | *len = strlen (buffer); |
1063 | ||
1064 | return buffer; | |
1065 | } | |
1066 | else | |
1067 | return NULL; | |
1068 | ||
1069 | #elif defined (HAVE_READDIR_R) | |
1fac938e | 1070 | /* If possible, try to use the thread-safe version. */ |
1fac938e | 1071 | if (readdir_r (dirp, buffer) != NULL) |
1aa4b9ce | 1072 | { |
1073 | *len = strlen (((struct dirent*) buffer)->d_name); | |
1074 | return ((struct dirent*) buffer)->d_name; | |
1075 | } | |
1fac938e | 1076 | else |
1077 | return NULL; | |
1078 | ||
1079 | #else | |
5b941af6 | 1080 | struct dirent *dirent = (struct dirent *) readdir (dirp); |
1fac938e | 1081 | |
1082 | if (dirent != NULL) | |
1083 | { | |
1084 | strcpy (buffer, dirent->d_name); | |
3b18b370 | 1085 | *len = strlen (buffer); |
1fac938e | 1086 | return buffer; |
1087 | } | |
1088 | else | |
1089 | return NULL; | |
1090 | ||
1091 | #endif | |
1092 | } | |
1093 | ||
3b18b370 | 1094 | /* Close a directory entry. */ |
1095 | ||
1096 | int __gnat_closedir (DIR *dirp) | |
1097 | { | |
e2a33c18 | 1098 | #if defined (RTX) |
1099 | /* Not supported in RTX */ | |
1100 | ||
1101 | return 0; | |
1102 | ||
1103 | #elif defined (__MINGW32__) | |
3b18b370 | 1104 | return _tclosedir ((_TDIR*)dirp); |
1105 | ||
1106 | #else | |
1107 | return closedir (dirp); | |
1108 | #endif | |
1109 | } | |
1110 | ||
1fac938e | 1111 | /* Returns 1 if readdir is thread safe, 0 otherwise. */ |
1112 | ||
1113 | int | |
6f2c2693 | 1114 | __gnat_readdir_is_thread_safe (void) |
1fac938e | 1115 | { |
1116 | #ifdef HAVE_READDIR_R | |
1117 | return 1; | |
1118 | #else | |
1119 | return 0; | |
1120 | #endif | |
1121 | } | |
1122 | ||
e2a33c18 | 1123 | #if defined (_WIN32) && !defined (RTX) |
982e2721 | 1124 | /* Number of seconds between <Jan 1st 1601> and <Jan 1st 1970>. */ |
1125 | static const unsigned long long w32_epoch_offset = 11644473600ULL; | |
1fac938e | 1126 | |
1127 | /* Returns the file modification timestamp using Win32 routines which are | |
1128 | immune against daylight saving time change. It is in fact not possible to | |
1129 | use fstat for this purpose as the DST modify the st_mtime field of the | |
1130 | stat structure. */ | |
1131 | ||
1132 | static time_t | |
9dfe12ae | 1133 | win32_filetime (HANDLE h) |
1fac938e | 1134 | { |
982e2721 | 1135 | union |
1136 | { | |
1137 | FILETIME ft_time; | |
1138 | unsigned long long ull_time; | |
1139 | } t_write; | |
1fac938e | 1140 | |
1141 | /* GetFileTime returns FILETIME data which are the number of 100 nanosecs | |
1142 | since <Jan 1st 1601>. This function must return the number of seconds | |
1143 | since <Jan 1st 1970>. */ | |
1144 | ||
982e2721 | 1145 | if (GetFileTime (h, NULL, NULL, &t_write.ft_time)) |
3b18b370 | 1146 | return (time_t) (t_write.ull_time / 10000000ULL - w32_epoch_offset); |
982e2721 | 1147 | return (time_t) 0; |
1fac938e | 1148 | } |
1149 | #endif | |
1150 | ||
1151 | /* Return a GNAT time stamp given a file name. */ | |
1152 | ||
1bbc9831 | 1153 | OS_Time |
9dfe12ae | 1154 | __gnat_file_time_name (char *name) |
1fac938e | 1155 | { |
1fac938e | 1156 | |
1157 | #if defined (__EMX__) || defined (MSDOS) | |
1158 | int fd = open (name, O_RDONLY | O_BINARY); | |
1159 | time_t ret = __gnat_file_time_fd (fd); | |
1160 | close (fd); | |
1bbc9831 | 1161 | return (OS_Time)ret; |
1fac938e | 1162 | |
e2a33c18 | 1163 | #elif defined (_WIN32) && !defined (RTX) |
e2c62f37 | 1164 | time_t ret = -1; |
3b18b370 | 1165 | TCHAR wname[GNAT_MAX_PATH_LEN]; |
1166 | ||
1e622f0e | 1167 | S2WSU (wname, name, GNAT_MAX_PATH_LEN); |
3b18b370 | 1168 | |
1169 | HANDLE h = CreateFile | |
1170 | (wname, GENERIC_READ, FILE_SHARE_READ, 0, | |
1171 | OPEN_EXISTING, FILE_FLAG_BACKUP_SEMANTICS, 0); | |
fabb7dc5 | 1172 | |
982e2721 | 1173 | if (h != INVALID_HANDLE_VALUE) |
1174 | { | |
1175 | ret = win32_filetime (h); | |
1176 | CloseHandle (h); | |
1177 | } | |
1bbc9831 | 1178 | return (OS_Time) ret; |
1fac938e | 1179 | #else |
f0a28ccb | 1180 | struct stat statbuf; |
1bbc9831 | 1181 | if (__gnat_stat (name, &statbuf) != 0) { |
1182 | return (OS_Time)-1; | |
1183 | } else { | |
1fac938e | 1184 | #ifdef VMS |
1bbc9831 | 1185 | /* VMS has file versioning. */ |
1186 | return (OS_Time)statbuf.st_ctime; | |
1fac938e | 1187 | #else |
1bbc9831 | 1188 | return (OS_Time)statbuf.st_mtime; |
1fac938e | 1189 | #endif |
1bbc9831 | 1190 | } |
1fac938e | 1191 | #endif |
1192 | } | |
1193 | ||
1194 | /* Return a GNAT time stamp given a file descriptor. */ | |
1195 | ||
1bbc9831 | 1196 | OS_Time |
9dfe12ae | 1197 | __gnat_file_time_fd (int fd) |
1fac938e | 1198 | { |
1199 | /* The following workaround code is due to the fact that under EMX and | |
1200 | DJGPP fstat attempts to convert time values to GMT rather than keep the | |
1201 | actual OS timestamp of the file. By using the OS2/DOS functions directly | |
1202 | the GNAT timestamp are independent of this behavior, which is desired to | |
f15731c4 | 1203 | facilitate the distribution of GNAT compiled libraries. */ |
1fac938e | 1204 | |
1205 | #if defined (__EMX__) || defined (MSDOS) | |
1206 | #ifdef __EMX__ | |
1207 | ||
1208 | FILESTATUS fs; | |
1209 | int ret = DosQueryFileInfo (fd, 1, (unsigned char *) &fs, | |
1210 | sizeof (FILESTATUS)); | |
1211 | ||
1212 | unsigned file_year = fs.fdateLastWrite.year; | |
1213 | unsigned file_month = fs.fdateLastWrite.month; | |
1214 | unsigned file_day = fs.fdateLastWrite.day; | |
1215 | unsigned file_hour = fs.ftimeLastWrite.hours; | |
1216 | unsigned file_min = fs.ftimeLastWrite.minutes; | |
1217 | unsigned file_tsec = fs.ftimeLastWrite.twosecs; | |
1218 | ||
1219 | #else | |
1220 | struct ftime fs; | |
1221 | int ret = getftime (fd, &fs); | |
1222 | ||
1223 | unsigned file_year = fs.ft_year; | |
1224 | unsigned file_month = fs.ft_month; | |
1225 | unsigned file_day = fs.ft_day; | |
1226 | unsigned file_hour = fs.ft_hour; | |
1227 | unsigned file_min = fs.ft_min; | |
1228 | unsigned file_tsec = fs.ft_tsec; | |
1229 | #endif | |
1230 | ||
1231 | /* Calculate the seconds since epoch from the time components. First count | |
1232 | the whole days passed. The value for years returned by the DOS and OS2 | |
1233 | functions count years from 1980, so to compensate for the UNIX epoch which | |
1234 | begins in 1970 start with 10 years worth of days and add days for each | |
f15731c4 | 1235 | four year period since then. */ |
1fac938e | 1236 | |
1237 | time_t tot_secs; | |
f15731c4 | 1238 | int cum_days[12] = {0, 31, 59, 90, 120, 151, 181, 212, 243, 273, 304, 334}; |
1fac938e | 1239 | int days_passed = 3652 + (file_year / 4) * 1461; |
1240 | int years_since_leap = file_year % 4; | |
1241 | ||
1242 | if (years_since_leap == 1) | |
1243 | days_passed += 366; | |
1244 | else if (years_since_leap == 2) | |
1245 | days_passed += 731; | |
1246 | else if (years_since_leap == 3) | |
1247 | days_passed += 1096; | |
1248 | ||
1249 | if (file_year > 20) | |
1250 | days_passed -= 1; | |
1251 | ||
f15731c4 | 1252 | days_passed += cum_days[file_month - 1]; |
1fac938e | 1253 | if (years_since_leap == 0 && file_year != 20 && file_month > 2) |
1254 | days_passed++; | |
1255 | ||
1256 | days_passed += file_day - 1; | |
1257 | ||
f15731c4 | 1258 | /* OK - have whole days. Multiply -- then add in other parts. */ |
1fac938e | 1259 | |
1260 | tot_secs = days_passed * 86400; | |
1261 | tot_secs += file_hour * 3600; | |
1262 | tot_secs += file_min * 60; | |
1263 | tot_secs += file_tsec * 2; | |
1bbc9831 | 1264 | return (OS_Time) tot_secs; |
1fac938e | 1265 | |
e2a33c18 | 1266 | #elif defined (_WIN32) && !defined (RTX) |
1fac938e | 1267 | HANDLE h = (HANDLE) _get_osfhandle (fd); |
1268 | time_t ret = win32_filetime (h); | |
1bbc9831 | 1269 | return (OS_Time) ret; |
1fac938e | 1270 | |
1271 | #else | |
1272 | struct stat statbuf; | |
1273 | ||
1bbc9831 | 1274 | if (fstat (fd, &statbuf) != 0) { |
1275 | return (OS_Time) -1; | |
1276 | } else { | |
1fac938e | 1277 | #ifdef VMS |
1bbc9831 | 1278 | /* VMS has file versioning. */ |
1279 | return (OS_Time) statbuf.st_ctime; | |
1fac938e | 1280 | #else |
1bbc9831 | 1281 | return (OS_Time) statbuf.st_mtime; |
1fac938e | 1282 | #endif |
1bbc9831 | 1283 | } |
1fac938e | 1284 | #endif |
1285 | } | |
1286 | ||
f15731c4 | 1287 | /* Set the file time stamp. */ |
d8dd2062 | 1288 | |
1289 | void | |
9dfe12ae | 1290 | __gnat_set_file_time_name (char *name, time_t time_stamp) |
d8dd2062 | 1291 | { |
982e2721 | 1292 | #if defined (__EMX__) || defined (MSDOS) || defined (__vxworks) |
71a3e619 | 1293 | |
f15731c4 | 1294 | /* Code to implement __gnat_set_file_time_name for these systems. */ |
71a3e619 | 1295 | |
e2a33c18 | 1296 | #elif defined (_WIN32) && !defined (RTX) |
982e2721 | 1297 | union |
1298 | { | |
1299 | FILETIME ft_time; | |
1300 | unsigned long long ull_time; | |
1301 | } t_write; | |
3b18b370 | 1302 | TCHAR wname[GNAT_MAX_PATH_LEN]; |
fabb7dc5 | 1303 | |
1e622f0e | 1304 | S2WSU (wname, name, GNAT_MAX_PATH_LEN); |
3b18b370 | 1305 | |
1306 | HANDLE h = CreateFile | |
1307 | (wname, GENERIC_WRITE, FILE_SHARE_WRITE, NULL, | |
1308 | OPEN_EXISTING, FILE_FLAG_BACKUP_SEMANTICS, | |
1309 | NULL); | |
982e2721 | 1310 | if (h == INVALID_HANDLE_VALUE) |
1311 | return; | |
1312 | /* Add number of seconds between <Jan 1st 1601> and <Jan 1st 1970> */ | |
1313 | t_write.ull_time = ((unsigned long long)time_stamp + w32_epoch_offset); | |
1314 | /* Convert to 100 nanosecond units */ | |
1315 | t_write.ull_time *= 10000000ULL; | |
1316 | ||
1317 | SetFileTime(h, NULL, NULL, &t_write.ft_time); | |
1318 | CloseHandle (h); | |
1319 | return; | |
1320 | ||
d8dd2062 | 1321 | #elif defined (VMS) |
1322 | struct FAB fab; | |
1323 | struct NAM nam; | |
1324 | ||
1325 | struct | |
1326 | { | |
1327 | unsigned long long backup, create, expire, revise; | |
8620a406 | 1328 | unsigned int uic; |
d8dd2062 | 1329 | union |
1330 | { | |
1331 | unsigned short value; | |
1332 | struct | |
1333 | { | |
1334 | unsigned system : 4; | |
1335 | unsigned owner : 4; | |
1336 | unsigned group : 4; | |
1337 | unsigned world : 4; | |
1338 | } bits; | |
1339 | } prot; | |
f15731c4 | 1340 | } Fat = { 0, 0, 0, 0, 0, { 0 }}; |
d8dd2062 | 1341 | |
f15731c4 | 1342 | ATRDEF atrlst[] |
d8dd2062 | 1343 | = { |
1344 | { ATR$S_CREDATE, ATR$C_CREDATE, &Fat.create }, | |
1345 | { ATR$S_REVDATE, ATR$C_REVDATE, &Fat.revise }, | |
1346 | { ATR$S_EXPDATE, ATR$C_EXPDATE, &Fat.expire }, | |
1347 | { ATR$S_BAKDATE, ATR$C_BAKDATE, &Fat.backup }, | |
f15731c4 | 1348 | { ATR$S_FPRO, ATR$C_FPRO, &Fat.prot }, |
d8dd2062 | 1349 | { ATR$S_UIC, ATR$C_UIC, &Fat.uic }, |
1350 | { 0, 0, 0} | |
1351 | }; | |
1352 | ||
1353 | FIBDEF fib; | |
1354 | struct dsc$descriptor_fib fibdsc = {sizeof (fib), (void *) &fib}; | |
1355 | ||
1356 | struct IOSB iosb; | |
1357 | ||
1358 | unsigned long long newtime; | |
1359 | unsigned long long revtime; | |
1360 | long status; | |
1361 | short chan; | |
1362 | ||
1363 | struct vstring file; | |
1364 | struct dsc$descriptor_s filedsc | |
1365 | = {NAM$C_MAXRSS, DSC$K_DTYPE_T, DSC$K_CLASS_S, (void *) file.string}; | |
1366 | struct vstring device; | |
1367 | struct dsc$descriptor_s devicedsc | |
1368 | = {NAM$C_MAXRSS, DSC$K_DTYPE_T, DSC$K_CLASS_S, (void *) device.string}; | |
1369 | struct vstring timev; | |
1370 | struct dsc$descriptor_s timedsc | |
1371 | = {NAM$C_MAXRSS, DSC$K_DTYPE_T, DSC$K_CLASS_S, (void *) timev.string}; | |
1372 | struct vstring result; | |
1373 | struct dsc$descriptor_s resultdsc | |
1374 | = {NAM$C_MAXRSS, DSC$K_DTYPE_VT, DSC$K_CLASS_VS, (void *) result.string}; | |
1375 | ||
3b18b370 | 1376 | /* Convert parameter name (a file spec) to host file form. Note that this |
1377 | is needed on VMS to prepare for subsequent calls to VMS RMS library | |
1378 | routines. Note that it would not work to call __gnat_to_host_dir_spec | |
1379 | as was done in a previous version, since this fails silently unless | |
1380 | the feature logical DECC$EFS_CHARSET is enabled, in which case a DNF | |
1381 | (directory not found) condition is signalled. */ | |
1382 | tryfile = (char *) __gnat_to_host_file_spec (name); | |
d8dd2062 | 1383 | |
f15731c4 | 1384 | /* Allocate and initialize a FAB and NAM structures. */ |
d8dd2062 | 1385 | fab = cc$rms_fab; |
1386 | nam = cc$rms_nam; | |
1387 | ||
1388 | nam.nam$l_esa = file.string; | |
1389 | nam.nam$b_ess = NAM$C_MAXRSS; | |
1390 | nam.nam$l_rsa = result.string; | |
1391 | nam.nam$b_rss = NAM$C_MAXRSS; | |
1392 | fab.fab$l_fna = tryfile; | |
1393 | fab.fab$b_fns = strlen (tryfile); | |
1394 | fab.fab$l_nam = &nam; | |
1395 | ||
f15731c4 | 1396 | /* Validate filespec syntax and device existence. */ |
d8dd2062 | 1397 | status = SYS$PARSE (&fab, 0, 0); |
1398 | if ((status & 1) != 1) | |
1399 | LIB$SIGNAL (status); | |
1400 | ||
f15731c4 | 1401 | file.string[nam.nam$b_esl] = 0; |
d8dd2062 | 1402 | |
f15731c4 | 1403 | /* Find matching filespec. */ |
d8dd2062 | 1404 | status = SYS$SEARCH (&fab, 0, 0); |
1405 | if ((status & 1) != 1) | |
1406 | LIB$SIGNAL (status); | |
1407 | ||
f15731c4 | 1408 | file.string[nam.nam$b_esl] = 0; |
1409 | result.string[result.length=nam.nam$b_rsl] = 0; | |
d8dd2062 | 1410 | |
f15731c4 | 1411 | /* Get the device name and assign an IO channel. */ |
d8dd2062 | 1412 | strncpy (device.string, nam.nam$l_dev, nam.nam$b_dev); |
1413 | devicedsc.dsc$w_length = nam.nam$b_dev; | |
1414 | chan = 0; | |
1415 | status = SYS$ASSIGN (&devicedsc, &chan, 0, 0, 0); | |
1416 | if ((status & 1) != 1) | |
1417 | LIB$SIGNAL (status); | |
1418 | ||
f15731c4 | 1419 | /* Initialize the FIB and fill in the directory id field. */ |
1420 | memset (&fib, 0, sizeof (fib)); | |
1421 | fib.fib$w_did[0] = nam.nam$w_did[0]; | |
1422 | fib.fib$w_did[1] = nam.nam$w_did[1]; | |
1423 | fib.fib$w_did[2] = nam.nam$w_did[2]; | |
d8dd2062 | 1424 | fib.fib$l_acctl = 0; |
1425 | fib.fib$l_wcc = 0; | |
1426 | strcpy (file.string, (strrchr (result.string, ']') + 1)); | |
1427 | filedsc.dsc$w_length = strlen (file.string); | |
f15731c4 | 1428 | result.string[result.length = 0] = 0; |
d8dd2062 | 1429 | |
1430 | /* Open and close the file to fill in the attributes. */ | |
1431 | status | |
1432 | = SYS$QIOW (0, chan, IO$_ACCESS|IO$M_ACCESS, &iosb, 0, 0, | |
1433 | &fibdsc, &filedsc, &result.length, &resultdsc, &atrlst, 0); | |
1434 | if ((status & 1) != 1) | |
1435 | LIB$SIGNAL (status); | |
1436 | if ((iosb.status & 1) != 1) | |
1437 | LIB$SIGNAL (iosb.status); | |
1438 | ||
f15731c4 | 1439 | result.string[result.length] = 0; |
1440 | status = SYS$QIOW (0, chan, IO$_DEACCESS, &iosb, 0, 0, &fibdsc, 0, 0, 0, | |
1441 | &atrlst, 0); | |
d8dd2062 | 1442 | if ((status & 1) != 1) |
1443 | LIB$SIGNAL (status); | |
1444 | if ((iosb.status & 1) != 1) | |
1445 | LIB$SIGNAL (iosb.status); | |
1446 | ||
d8dd2062 | 1447 | { |
1448 | time_t t; | |
f15731c4 | 1449 | |
1450 | /* Set creation time to requested time. */ | |
9dfe12ae | 1451 | unix_time_to_vms (time_stamp, newtime); |
f15731c4 | 1452 | |
d8dd2062 | 1453 | t = time ((time_t) 0); |
d8dd2062 | 1454 | |
f15731c4 | 1455 | /* Set revision time to now in local time. */ |
9dfe12ae | 1456 | unix_time_to_vms (t, revtime); |
d8dd2062 | 1457 | } |
1458 | ||
f15731c4 | 1459 | /* Reopen the file, modify the times and then close. */ |
d8dd2062 | 1460 | fib.fib$l_acctl = FIB$M_WRITE; |
1461 | status | |
1462 | = SYS$QIOW (0, chan, IO$_ACCESS|IO$M_ACCESS, &iosb, 0, 0, | |
1463 | &fibdsc, &filedsc, &result.length, &resultdsc, &atrlst, 0); | |
1464 | if ((status & 1) != 1) | |
1465 | LIB$SIGNAL (status); | |
1466 | if ((iosb.status & 1) != 1) | |
1467 | LIB$SIGNAL (iosb.status); | |
1468 | ||
1469 | Fat.create = newtime; | |
1470 | Fat.revise = revtime; | |
1471 | ||
1472 | status = SYS$QIOW (0, chan, IO$_DEACCESS, &iosb, 0, 0, | |
1473 | &fibdsc, 0, 0, 0, &atrlst, 0); | |
1474 | if ((status & 1) != 1) | |
1475 | LIB$SIGNAL (status); | |
1476 | if ((iosb.status & 1) != 1) | |
1477 | LIB$SIGNAL (iosb.status); | |
1478 | ||
f15731c4 | 1479 | /* Deassign the channel and exit. */ |
d8dd2062 | 1480 | status = SYS$DASSGN (chan); |
1481 | if ((status & 1) != 1) | |
1482 | LIB$SIGNAL (status); | |
1483 | #else | |
1484 | struct utimbuf utimbuf; | |
1485 | time_t t; | |
1486 | ||
f15731c4 | 1487 | /* Set modification time to requested time. */ |
d8dd2062 | 1488 | utimbuf.modtime = time_stamp; |
1489 | ||
f15731c4 | 1490 | /* Set access time to now in local time. */ |
d8dd2062 | 1491 | t = time ((time_t) 0); |
1492 | utimbuf.actime = mktime (localtime (&t)); | |
1493 | ||
1494 | utime (name, &utimbuf); | |
1495 | #endif | |
1496 | } | |
1497 | ||
1fac938e | 1498 | #ifdef _WIN32 |
1499 | #include <windows.h> | |
1500 | #endif | |
1501 | ||
1502 | /* Get the list of installed standard libraries from the | |
1503 | HKEY_LOCAL_MACHINE\SOFTWARE\Ada Core Technologies\GNAT\Standard Libraries | |
1504 | key. */ | |
1505 | ||
1506 | char * | |
6f2c2693 | 1507 | __gnat_get_libraries_from_registry (void) |
1fac938e | 1508 | { |
1509 | char *result = (char *) ""; | |
1510 | ||
e2a33c18 | 1511 | #if defined (_WIN32) && ! defined (__vxworks) && ! defined (CROSS_DIRECTORY_STRUCTURE) && ! defined (RTX) |
1fac938e | 1512 | |
1513 | HKEY reg_key; | |
1514 | DWORD name_size, value_size; | |
1515 | char name[256]; | |
1516 | char value[256]; | |
1517 | DWORD type; | |
1518 | DWORD index; | |
1519 | LONG res; | |
1520 | ||
1521 | /* First open the key. */ | |
1522 | res = RegOpenKeyExA (HKEY_LOCAL_MACHINE, "SOFTWARE", 0, KEY_READ, ®_key); | |
1523 | ||
1524 | if (res == ERROR_SUCCESS) | |
1525 | res = RegOpenKeyExA (reg_key, "Ada Core Technologies", 0, | |
1526 | KEY_READ, ®_key); | |
1527 | ||
1528 | if (res == ERROR_SUCCESS) | |
1529 | res = RegOpenKeyExA (reg_key, "GNAT", 0, KEY_READ, ®_key); | |
1530 | ||
1531 | if (res == ERROR_SUCCESS) | |
1532 | res = RegOpenKeyExA (reg_key, "Standard Libraries", 0, KEY_READ, ®_key); | |
1533 | ||
1534 | /* If the key exists, read out all the values in it and concatenate them | |
1535 | into a path. */ | |
1536 | for (index = 0; res == ERROR_SUCCESS; index++) | |
1537 | { | |
1538 | value_size = name_size = 256; | |
e2c62f37 | 1539 | res = RegEnumValueA (reg_key, index, (TCHAR*)name, &name_size, 0, |
1540 | &type, (LPBYTE)value, &value_size); | |
1fac938e | 1541 | |
1542 | if (res == ERROR_SUCCESS && type == REG_SZ) | |
1543 | { | |
1544 | char *old_result = result; | |
1545 | ||
1546 | result = (char *) xmalloc (strlen (old_result) + value_size + 2); | |
1547 | strcpy (result, old_result); | |
1548 | strcat (result, value); | |
1549 | strcat (result, ";"); | |
1550 | } | |
1551 | } | |
1552 | ||
1553 | /* Remove the trailing ";". */ | |
1554 | if (result[0] != 0) | |
1555 | result[strlen (result) - 1] = 0; | |
1556 | ||
1557 | #endif | |
1558 | return result; | |
1559 | } | |
1560 | ||
1561 | int | |
9dfe12ae | 1562 | __gnat_stat (char *name, struct stat *statbuf) |
1fac938e | 1563 | { |
3b18b370 | 1564 | #ifdef __MINGW32__ |
1fac938e | 1565 | /* Under Windows the directory name for the stat function must not be |
1566 | terminated by a directory separator except if just after a drive name. */ | |
3b18b370 | 1567 | TCHAR wname [GNAT_MAX_PATH_LEN + 2]; |
1568 | int name_len; | |
1569 | TCHAR last_char; | |
1570 | ||
1e622f0e | 1571 | S2WSU (wname, name, GNAT_MAX_PATH_LEN + 2); |
3b18b370 | 1572 | name_len = _tcslen (wname); |
e7b2d6bc | 1573 | |
1574 | if (name_len > GNAT_MAX_PATH_LEN) | |
1575 | return -1; | |
1fac938e | 1576 | |
3b18b370 | 1577 | last_char = wname[name_len - 1]; |
1fac938e | 1578 | |
3b18b370 | 1579 | while (name_len > 1 && (last_char == _T('\\') || last_char == _T('/'))) |
1fac938e | 1580 | { |
3b18b370 | 1581 | wname[name_len - 1] = _T('\0'); |
1fac938e | 1582 | name_len--; |
3b18b370 | 1583 | last_char = wname[name_len - 1]; |
1fac938e | 1584 | } |
1585 | ||
3b18b370 | 1586 | /* Only a drive letter followed by ':', we must add a directory separator |
1587 | for the stat routine to work properly. */ | |
1588 | if (name_len == 2 && wname[1] == _T(':')) | |
1589 | _tcscat (wname, _T("\\")); | |
1fac938e | 1590 | |
3b18b370 | 1591 | return _tstat (wname, statbuf); |
1fac938e | 1592 | |
1593 | #else | |
1594 | return stat (name, statbuf); | |
1595 | #endif | |
1596 | } | |
1597 | ||
1598 | int | |
9dfe12ae | 1599 | __gnat_file_exists (char *name) |
1fac938e | 1600 | { |
e2a33c18 | 1601 | #if defined (__MINGW32__) && !defined (RTX) |
1aa4b9ce | 1602 | /* On Windows do not use __gnat_stat() because a bug in Microsoft |
1603 | _stat() routine. When the system time-zone is set with a negative | |
1604 | offset the _stat() routine fails on specific files like CON: */ | |
1605 | TCHAR wname [GNAT_MAX_PATH_LEN + 2]; | |
1606 | ||
1607 | S2WSU (wname, name, GNAT_MAX_PATH_LEN + 2); | |
1608 | return GetFileAttributes (wname) != INVALID_FILE_ATTRIBUTES; | |
1609 | #else | |
1fac938e | 1610 | struct stat statbuf; |
1611 | ||
1612 | return !__gnat_stat (name, &statbuf); | |
1aa4b9ce | 1613 | #endif |
1fac938e | 1614 | } |
1615 | ||
9dfe12ae | 1616 | int |
4a3f445c | 1617 | __gnat_is_absolute_path (char *name, int length) |
1fac938e | 1618 | { |
8620a406 | 1619 | #ifdef __vxworks |
1620 | /* On VxWorks systems, an absolute path can be represented (depending on | |
1621 | the host platform) as either /dir/file, or device:/dir/file, or | |
1622 | device:drive_letter:/dir/file. */ | |
1623 | ||
1624 | int index; | |
1625 | ||
1626 | if (name[0] == '/') | |
1627 | return 1; | |
1628 | ||
1629 | for (index = 0; index < length; index++) | |
1630 | { | |
1631 | if (name[index] == ':' && | |
1632 | ((name[index + 1] == '/') || | |
1633 | (isalpha (name[index + 1]) && index + 2 <= length && | |
1634 | name[index + 2] == '/'))) | |
1635 | return 1; | |
1636 | ||
1637 | else if (name[index] == '/') | |
1638 | return 0; | |
1639 | } | |
1640 | return 0; | |
1641 | #else | |
4a3f445c | 1642 | return (length != 0) && |
1643 | (*name == '/' || *name == DIR_SEPARATOR | |
f15731c4 | 1644 | #if defined (__EMX__) || defined (MSDOS) || defined (WINNT) |
4a3f445c | 1645 | || (length > 1 && isalpha (name[0]) && name[1] == ':') |
1fac938e | 1646 | #endif |
1647 | ); | |
8620a406 | 1648 | #endif |
1fac938e | 1649 | } |
1650 | ||
1651 | int | |
9dfe12ae | 1652 | __gnat_is_regular_file (char *name) |
1fac938e | 1653 | { |
1654 | int ret; | |
1655 | struct stat statbuf; | |
1656 | ||
1657 | ret = __gnat_stat (name, &statbuf); | |
1658 | return (!ret && S_ISREG (statbuf.st_mode)); | |
1659 | } | |
1660 | ||
1661 | int | |
9dfe12ae | 1662 | __gnat_is_directory (char *name) |
1fac938e | 1663 | { |
1664 | int ret; | |
1665 | struct stat statbuf; | |
1666 | ||
1667 | ret = __gnat_stat (name, &statbuf); | |
1668 | return (!ret && S_ISDIR (statbuf.st_mode)); | |
1669 | } | |
1670 | ||
1671 | int | |
9dfe12ae | 1672 | __gnat_is_readable_file (char *name) |
1673 | { | |
1674 | int ret; | |
1675 | int mode; | |
1676 | struct stat statbuf; | |
1677 | ||
1678 | ret = __gnat_stat (name, &statbuf); | |
1679 | mode = statbuf.st_mode & S_IRUSR; | |
1680 | return (!ret && mode); | |
1681 | } | |
1682 | ||
1683 | int | |
1684 | __gnat_is_writable_file (char *name) | |
1fac938e | 1685 | { |
1686 | int ret; | |
1687 | int mode; | |
1688 | struct stat statbuf; | |
1689 | ||
1690 | ret = __gnat_stat (name, &statbuf); | |
1691 | mode = statbuf.st_mode & S_IWUSR; | |
1692 | return (!ret && mode); | |
1693 | } | |
1694 | ||
9dfe12ae | 1695 | void |
1696 | __gnat_set_writable (char *name) | |
1697 | { | |
5091bc2f | 1698 | #if ! defined (__vxworks) && ! defined(__nucleus__) |
9dfe12ae | 1699 | struct stat statbuf; |
1700 | ||
1701 | if (stat (name, &statbuf) == 0) | |
1702 | { | |
1703 | statbuf.st_mode = statbuf.st_mode | S_IWUSR; | |
1704 | chmod (name, statbuf.st_mode); | |
1705 | } | |
1706 | #endif | |
1707 | } | |
1708 | ||
5329ca64 | 1709 | void |
1710 | __gnat_set_executable (char *name) | |
1711 | { | |
5091bc2f | 1712 | #if ! defined (__vxworks) && ! defined(__nucleus__) |
5329ca64 | 1713 | struct stat statbuf; |
1714 | ||
1715 | if (stat (name, &statbuf) == 0) | |
1716 | { | |
1717 | statbuf.st_mode = statbuf.st_mode | S_IXUSR; | |
1718 | chmod (name, statbuf.st_mode); | |
1719 | } | |
1720 | #endif | |
1721 | } | |
1722 | ||
9dfe12ae | 1723 | void |
1724 | __gnat_set_readonly (char *name) | |
1725 | { | |
5091bc2f | 1726 | #if ! defined (__vxworks) && ! defined(__nucleus__) |
9dfe12ae | 1727 | struct stat statbuf; |
1728 | ||
1729 | if (stat (name, &statbuf) == 0) | |
1730 | { | |
1731 | statbuf.st_mode = statbuf.st_mode & 07577; | |
1732 | chmod (name, statbuf.st_mode); | |
1733 | } | |
1734 | #endif | |
1735 | } | |
1736 | ||
1737 | int | |
f0a28ccb | 1738 | __gnat_is_symbolic_link (char *name ATTRIBUTE_UNUSED) |
9dfe12ae | 1739 | { |
5091bc2f | 1740 | #if defined (__vxworks) || defined (__nucleus__) |
9dfe12ae | 1741 | return 0; |
1742 | ||
8e761191 | 1743 | #elif defined (_AIX) || defined (__APPLE__) || defined (__unix__) |
9dfe12ae | 1744 | int ret; |
1745 | struct stat statbuf; | |
1746 | ||
1747 | ret = lstat (name, &statbuf); | |
1748 | return (!ret && S_ISLNK (statbuf.st_mode)); | |
1749 | ||
1750 | #else | |
1751 | return 0; | |
1752 | #endif | |
1753 | } | |
1754 | ||
1fac938e | 1755 | #if defined (sun) && defined (__SVR4) |
1756 | /* Using fork on Solaris will duplicate all the threads. fork1, which | |
1757 | duplicates only the active thread, must be used instead, or spawning | |
1758 | subprocess from a program with tasking will lead into numerous problems. */ | |
1759 | #define fork fork1 | |
1760 | #endif | |
1761 | ||
1762 | int | |
9dfe12ae | 1763 | __gnat_portable_spawn (char *args[]) |
1fac938e | 1764 | { |
1765 | int status = 0; | |
f0a28ccb | 1766 | int finished ATTRIBUTE_UNUSED; |
1767 | int pid ATTRIBUTE_UNUSED; | |
1fac938e | 1768 | |
e2a33c18 | 1769 | #if defined (__vxworks) || defined(__nucleus__) || defined(RTX) |
1770 | return -1; | |
1771 | ||
1772 | #elif defined (MSDOS) || defined (_WIN32) | |
f270dc82 | 1773 | /* args[0] must be quotes as it could contain a full pathname with spaces */ |
38750fcd | 1774 | char *args_0 = args[0]; |
f270dc82 | 1775 | args[0] = (char *)xmalloc (strlen (args_0) + 3); |
1776 | strcpy (args[0], "\""); | |
1777 | strcat (args[0], args_0); | |
1778 | strcat (args[0], "\""); | |
1779 | ||
0b9eca83 | 1780 | status = spawnvp (P_WAIT, args_0, (const char* const*)args); |
f270dc82 | 1781 | |
1782 | /* restore previous value */ | |
1783 | free (args[0]); | |
8e761191 | 1784 | args[0] = (char *)args_0; |
f270dc82 | 1785 | |
1fac938e | 1786 | if (status < 0) |
f15731c4 | 1787 | return -1; |
1fac938e | 1788 | else |
1789 | return status; | |
1790 | ||
1fac938e | 1791 | #else |
1792 | ||
1793 | #ifdef __EMX__ | |
f15731c4 | 1794 | pid = spawnvp (P_NOWAIT, args[0], args); |
1fac938e | 1795 | if (pid == -1) |
f15731c4 | 1796 | return -1; |
1797 | ||
1fac938e | 1798 | #else |
1799 | pid = fork (); | |
f15731c4 | 1800 | if (pid < 0) |
1801 | return -1; | |
1fac938e | 1802 | |
f15731c4 | 1803 | if (pid == 0) |
1804 | { | |
1805 | /* The child. */ | |
6d9c3443 | 1806 | if (execv (args[0], MAYBE_TO_PTR32 (args)) != 0) |
f15731c4 | 1807 | #if defined (VMS) |
1808 | return -1; /* execv is in parent context on VMS. */ | |
1809 | #else | |
1810 | _exit (1); | |
1811 | #endif | |
1812 | } | |
1fac938e | 1813 | #endif |
1814 | ||
f15731c4 | 1815 | /* The parent. */ |
1fac938e | 1816 | finished = waitpid (pid, &status, 0); |
1817 | ||
1818 | if (finished != pid || WIFEXITED (status) == 0) | |
f15731c4 | 1819 | return -1; |
1fac938e | 1820 | |
1821 | return WEXITSTATUS (status); | |
1822 | #endif | |
f15731c4 | 1823 | |
1fac938e | 1824 | return 0; |
1825 | } | |
1826 | ||
8e761191 | 1827 | /* Create a copy of the given file descriptor. |
1828 | Return -1 if an error occurred. */ | |
1829 | ||
1830 | int | |
1831 | __gnat_dup (int oldfd) | |
1832 | { | |
8ffbc401 | 1833 | #if defined (__vxworks) && !defined (__RTP__) |
1834 | /* Not supported on VxWorks 5.x, but supported on VxWorks 6.0 when using | |
1835 | RTPs. */ | |
1836 | return -1; | |
8e761191 | 1837 | #else |
8ffbc401 | 1838 | return dup (oldfd); |
8e761191 | 1839 | #endif |
1840 | } | |
1841 | ||
1842 | /* Make newfd be the copy of oldfd, closing newfd first if necessary. | |
5e947a95 | 1843 | Return -1 if an error occurred. */ |
8e761191 | 1844 | |
1845 | int | |
1846 | __gnat_dup2 (int oldfd, int newfd) | |
1847 | { | |
8ffbc401 | 1848 | #if defined (__vxworks) && !defined (__RTP__) |
1849 | /* Not supported on VxWorks 5.x, but supported on VxWorks 6.0 when using | |
1850 | RTPs. */ | |
8e761191 | 1851 | return -1; |
1852 | #else | |
1853 | return dup2 (oldfd, newfd); | |
1854 | #endif | |
1855 | } | |
1856 | ||
f15731c4 | 1857 | /* WIN32 code to implement a wait call that wait for any child process. */ |
1858 | ||
e2a33c18 | 1859 | #if defined (_WIN32) && !defined (RTX) |
1fac938e | 1860 | |
1861 | /* Synchronization code, to be thread safe. */ | |
1862 | ||
1863 | static CRITICAL_SECTION plist_cs; | |
1864 | ||
1865 | void | |
f0a28ccb | 1866 | __gnat_plist_init (void) |
1fac938e | 1867 | { |
1868 | InitializeCriticalSection (&plist_cs); | |
1869 | } | |
1870 | ||
1871 | static void | |
f0a28ccb | 1872 | plist_enter (void) |
1fac938e | 1873 | { |
1874 | EnterCriticalSection (&plist_cs); | |
1875 | } | |
1876 | ||
f15731c4 | 1877 | static void |
f0a28ccb | 1878 | plist_leave (void) |
1fac938e | 1879 | { |
1880 | LeaveCriticalSection (&plist_cs); | |
1881 | } | |
1882 | ||
1883 | typedef struct _process_list | |
1884 | { | |
1885 | HANDLE h; | |
1886 | struct _process_list *next; | |
1887 | } Process_List; | |
1888 | ||
1889 | static Process_List *PLIST = NULL; | |
1890 | ||
1891 | static int plist_length = 0; | |
1892 | ||
1893 | static void | |
9dfe12ae | 1894 | add_handle (HANDLE h) |
1fac938e | 1895 | { |
1896 | Process_List *pl; | |
1897 | ||
1898 | pl = (Process_List *) xmalloc (sizeof (Process_List)); | |
1899 | ||
1900 | plist_enter(); | |
1901 | ||
1902 | /* -------------------- critical section -------------------- */ | |
1903 | pl->h = h; | |
1904 | pl->next = PLIST; | |
1905 | PLIST = pl; | |
1906 | ++plist_length; | |
1907 | /* -------------------- critical section -------------------- */ | |
1908 | ||
1909 | plist_leave(); | |
1910 | } | |
1911 | ||
f0a28ccb | 1912 | static void |
1913 | remove_handle (HANDLE h) | |
1fac938e | 1914 | { |
f0a28ccb | 1915 | Process_List *pl; |
1916 | Process_List *prev = NULL; | |
1fac938e | 1917 | |
1918 | plist_enter(); | |
1919 | ||
1920 | /* -------------------- critical section -------------------- */ | |
1921 | pl = PLIST; | |
1922 | while (pl) | |
1923 | { | |
1924 | if (pl->h == h) | |
1925 | { | |
1926 | if (pl == PLIST) | |
1927 | PLIST = pl->next; | |
1928 | else | |
1929 | prev->next = pl->next; | |
1930 | free (pl); | |
1931 | break; | |
1932 | } | |
1933 | else | |
1934 | { | |
1935 | prev = pl; | |
1936 | pl = pl->next; | |
1937 | } | |
1938 | } | |
1939 | ||
1940 | --plist_length; | |
1941 | /* -------------------- critical section -------------------- */ | |
1942 | ||
1943 | plist_leave(); | |
1944 | } | |
1945 | ||
1946 | static int | |
9dfe12ae | 1947 | win32_no_block_spawn (char *command, char *args[]) |
1fac938e | 1948 | { |
1949 | BOOL result; | |
1950 | STARTUPINFO SI; | |
1951 | PROCESS_INFORMATION PI; | |
1952 | SECURITY_ATTRIBUTES SA; | |
f15731c4 | 1953 | int csize = 1; |
1954 | char *full_command; | |
1fac938e | 1955 | int k; |
1956 | ||
f15731c4 | 1957 | /* compute the total command line length */ |
1958 | k = 0; | |
1959 | while (args[k]) | |
1960 | { | |
1961 | csize += strlen (args[k]) + 1; | |
1962 | k++; | |
1963 | } | |
1964 | ||
1965 | full_command = (char *) xmalloc (csize); | |
1966 | ||
1fac938e | 1967 | /* Startup info. */ |
1968 | SI.cb = sizeof (STARTUPINFO); | |
1969 | SI.lpReserved = NULL; | |
1970 | SI.lpReserved2 = NULL; | |
1971 | SI.lpDesktop = NULL; | |
1972 | SI.cbReserved2 = 0; | |
1973 | SI.lpTitle = NULL; | |
1974 | SI.dwFlags = 0; | |
1975 | SI.wShowWindow = SW_HIDE; | |
1976 | ||
1977 | /* Security attributes. */ | |
1978 | SA.nLength = sizeof (SECURITY_ATTRIBUTES); | |
1979 | SA.bInheritHandle = TRUE; | |
1980 | SA.lpSecurityDescriptor = NULL; | |
1981 | ||
1982 | /* Prepare the command string. */ | |
1983 | strcpy (full_command, command); | |
1984 | strcat (full_command, " "); | |
1985 | ||
1986 | k = 1; | |
1987 | while (args[k]) | |
1988 | { | |
1989 | strcat (full_command, args[k]); | |
1990 | strcat (full_command, " "); | |
1991 | k++; | |
1992 | } | |
1993 | ||
3b18b370 | 1994 | { |
1995 | int wsize = csize * 2; | |
1996 | TCHAR *wcommand = (TCHAR *) xmalloc (wsize); | |
1997 | ||
1e622f0e | 1998 | S2WSU (wcommand, full_command, wsize); |
3b18b370 | 1999 | |
2000 | free (full_command); | |
1fac938e | 2001 | |
3b18b370 | 2002 | result = CreateProcess |
2003 | (NULL, wcommand, &SA, NULL, TRUE, | |
2004 | GetPriorityClass (GetCurrentProcess()), NULL, NULL, &SI, &PI); | |
2005 | ||
2006 | free (wcommand); | |
2007 | } | |
f15731c4 | 2008 | |
1fac938e | 2009 | if (result == TRUE) |
2010 | { | |
2011 | add_handle (PI.hProcess); | |
2012 | CloseHandle (PI.hThread); | |
2013 | return (int) PI.hProcess; | |
2014 | } | |
2015 | else | |
2016 | return -1; | |
2017 | } | |
2018 | ||
2019 | static int | |
9dfe12ae | 2020 | win32_wait (int *status) |
1fac938e | 2021 | { |
2022 | DWORD exitcode; | |
2023 | HANDLE *hl; | |
2024 | HANDLE h; | |
2025 | DWORD res; | |
2026 | int k; | |
2027 | Process_List *pl; | |
2028 | ||
2029 | if (plist_length == 0) | |
2030 | { | |
2031 | errno = ECHILD; | |
2032 | return -1; | |
2033 | } | |
2034 | ||
2035 | hl = (HANDLE *) xmalloc (sizeof (HANDLE) * plist_length); | |
2036 | ||
2037 | k = 0; | |
2038 | plist_enter(); | |
2039 | ||
2040 | /* -------------------- critical section -------------------- */ | |
2041 | pl = PLIST; | |
2042 | while (pl) | |
2043 | { | |
2044 | hl[k++] = pl->h; | |
2045 | pl = pl->next; | |
2046 | } | |
2047 | /* -------------------- critical section -------------------- */ | |
2048 | ||
2049 | plist_leave(); | |
2050 | ||
2051 | res = WaitForMultipleObjects (plist_length, hl, FALSE, INFINITE); | |
f15731c4 | 2052 | h = hl[res - WAIT_OBJECT_0]; |
1fac938e | 2053 | free (hl); |
2054 | ||
2055 | remove_handle (h); | |
2056 | ||
2057 | GetExitCodeProcess (h, &exitcode); | |
2058 | CloseHandle (h); | |
2059 | ||
2060 | *status = (int) exitcode; | |
2061 | return (int) h; | |
2062 | } | |
2063 | ||
2064 | #endif | |
2065 | ||
2066 | int | |
9dfe12ae | 2067 | __gnat_portable_no_block_spawn (char *args[]) |
1fac938e | 2068 | { |
2069 | int pid = 0; | |
2070 | ||
e2a33c18 | 2071 | #if defined (__vxworks) || defined (__nucleus__) || defined (RTX) |
2072 | return -1; | |
2073 | ||
2074 | #elif defined (__EMX__) || defined (MSDOS) | |
1fac938e | 2075 | |
2076 | /* ??? For PC machines I (Franco) don't know the system calls to implement | |
2077 | this routine. So I'll fake it as follows. This routine will behave | |
2078 | exactly like the blocking portable_spawn and will systematically return | |
2079 | a pid of 0 unless the spawned task did not complete successfully, in | |
2080 | which case we return a pid of -1. To synchronize with this the | |
2081 | portable_wait below systematically returns a pid of 0 and reports that | |
2082 | the subprocess terminated successfully. */ | |
2083 | ||
f15731c4 | 2084 | if (spawnvp (P_WAIT, args[0], args) != 0) |
1fac938e | 2085 | return -1; |
2086 | ||
2087 | #elif defined (_WIN32) | |
2088 | ||
2089 | pid = win32_no_block_spawn (args[0], args); | |
2090 | return pid; | |
2091 | ||
1fac938e | 2092 | #else |
2093 | pid = fork (); | |
2094 | ||
f15731c4 | 2095 | if (pid == 0) |
2096 | { | |
2097 | /* The child. */ | |
6d9c3443 | 2098 | if (execv (args[0], MAYBE_TO_PTR32 (args)) != 0) |
f15731c4 | 2099 | #if defined (VMS) |
2100 | return -1; /* execv is in parent context on VMS. */ | |
9dfe12ae | 2101 | #else |
f15731c4 | 2102 | _exit (1); |
2103 | #endif | |
2104 | } | |
2105 | ||
1fac938e | 2106 | #endif |
2107 | ||
2108 | return pid; | |
2109 | } | |
2110 | ||
2111 | int | |
9dfe12ae | 2112 | __gnat_portable_wait (int *process_status) |
1fac938e | 2113 | { |
2114 | int status = 0; | |
2115 | int pid = 0; | |
2116 | ||
e2a33c18 | 2117 | #if defined (__vxworks) || defined (__nucleus__) || defined (RTX) |
2118 | /* Not sure what to do here, so do same as __EMX__ case, i.e., nothing but | |
2119 | return zero. */ | |
2120 | ||
2121 | #elif defined (_WIN32) | |
1fac938e | 2122 | |
2123 | pid = win32_wait (&status); | |
2124 | ||
2125 | #elif defined (__EMX__) || defined (MSDOS) | |
f15731c4 | 2126 | /* ??? See corresponding comment in portable_no_block_spawn. */ |
1fac938e | 2127 | |
1fac938e | 2128 | #else |
2129 | ||
1fac938e | 2130 | pid = waitpid (-1, &status, 0); |
1fac938e | 2131 | status = status & 0xffff; |
2132 | #endif | |
2133 | ||
2134 | *process_status = status; | |
2135 | return pid; | |
2136 | } | |
2137 | ||
2138 | void | |
9dfe12ae | 2139 | __gnat_os_exit (int status) |
1fac938e | 2140 | { |
1fac938e | 2141 | exit (status); |
1fac938e | 2142 | } |
2143 | ||
f15731c4 | 2144 | /* Locate a regular file, give a Path value. */ |
1fac938e | 2145 | |
2146 | char * | |
9dfe12ae | 2147 | __gnat_locate_regular_file (char *file_name, char *path_val) |
1fac938e | 2148 | { |
2149 | char *ptr; | |
5703e222 | 2150 | char *file_path = (char *) alloca (strlen (file_name) + 1); |
c69ba469 | 2151 | int absolute; |
2152 | ||
b51bcb1c | 2153 | /* Return immediately if file_name is empty */ |
2154 | ||
2155 | if (*file_name == '\0') | |
2156 | return 0; | |
2157 | ||
c69ba469 | 2158 | /* Remove quotes around file_name if present */ |
2159 | ||
2160 | ptr = file_name; | |
2161 | if (*ptr == '"') | |
2162 | ptr++; | |
2163 | ||
2164 | strcpy (file_path, ptr); | |
2165 | ||
2166 | ptr = file_path + strlen (file_path) - 1; | |
2167 | ||
2168 | if (*ptr == '"') | |
2169 | *ptr = '\0'; | |
1fac938e | 2170 | |
f15731c4 | 2171 | /* Handle absolute pathnames. */ |
c69ba469 | 2172 | |
2173 | absolute = __gnat_is_absolute_path (file_path, strlen (file_name)); | |
2174 | ||
9dfe12ae | 2175 | if (absolute) |
2176 | { | |
c69ba469 | 2177 | if (__gnat_is_regular_file (file_path)) |
2178 | return xstrdup (file_path); | |
9dfe12ae | 2179 | |
2180 | return 0; | |
2181 | } | |
2182 | ||
2183 | /* If file_name include directory separator(s), try it first as | |
2184 | a path name relative to the current directory */ | |
1fac938e | 2185 | for (ptr = file_name; *ptr && *ptr != '/' && *ptr != DIR_SEPARATOR; ptr++) |
2186 | ; | |
2187 | ||
9dfe12ae | 2188 | if (*ptr != 0) |
1fac938e | 2189 | { |
2190 | if (__gnat_is_regular_file (file_name)) | |
2191 | return xstrdup (file_name); | |
1fac938e | 2192 | } |
2193 | ||
2194 | if (path_val == 0) | |
2195 | return 0; | |
2196 | ||
2197 | { | |
2198 | /* The result has to be smaller than path_val + file_name. */ | |
5703e222 | 2199 | char *file_path = (char *) alloca (strlen (path_val) + strlen (file_name) + 2); |
1fac938e | 2200 | |
2201 | for (;;) | |
2202 | { | |
2203 | for (; *path_val == PATH_SEPARATOR; path_val++) | |
2204 | ; | |
2205 | ||
2206 | if (*path_val == 0) | |
2207 | return 0; | |
2208 | ||
c69ba469 | 2209 | /* Skip the starting quote */ |
2210 | ||
2211 | if (*path_val == '"') | |
2212 | path_val++; | |
2213 | ||
1fac938e | 2214 | for (ptr = file_path; *path_val && *path_val != PATH_SEPARATOR; ) |
c69ba469 | 2215 | *ptr++ = *path_val++; |
1fac938e | 2216 | |
2217 | ptr--; | |
c69ba469 | 2218 | |
2219 | /* Skip the ending quote */ | |
2220 | ||
2221 | if (*ptr == '"') | |
2222 | ptr--; | |
2223 | ||
1fac938e | 2224 | if (*ptr != '/' && *ptr != DIR_SEPARATOR) |
2225 | *++ptr = DIR_SEPARATOR; | |
2226 | ||
2227 | strcpy (++ptr, file_name); | |
2228 | ||
2229 | if (__gnat_is_regular_file (file_path)) | |
2230 | return xstrdup (file_path); | |
2231 | } | |
2232 | } | |
2233 | ||
2234 | return 0; | |
2235 | } | |
2236 | ||
1fac938e | 2237 | /* Locate an executable given a Path argument. This routine is only used by |
2238 | gnatbl and should not be used otherwise. Use locate_exec_on_path | |
f15731c4 | 2239 | instead. */ |
1fac938e | 2240 | |
2241 | char * | |
9dfe12ae | 2242 | __gnat_locate_exec (char *exec_name, char *path_val) |
1fac938e | 2243 | { |
fb31b465 | 2244 | char *ptr; |
1fac938e | 2245 | if (!strstr (exec_name, HOST_EXECUTABLE_SUFFIX)) |
2246 | { | |
2247 | char *full_exec_name | |
5703e222 | 2248 | = (char *) alloca (strlen (exec_name) + strlen (HOST_EXECUTABLE_SUFFIX) + 1); |
1fac938e | 2249 | |
2250 | strcpy (full_exec_name, exec_name); | |
2251 | strcat (full_exec_name, HOST_EXECUTABLE_SUFFIX); | |
fb31b465 | 2252 | ptr = __gnat_locate_regular_file (full_exec_name, path_val); |
2253 | ||
2254 | if (ptr == 0) | |
2255 | return __gnat_locate_regular_file (exec_name, path_val); | |
2256 | return ptr; | |
1fac938e | 2257 | } |
2258 | else | |
2259 | return __gnat_locate_regular_file (exec_name, path_val); | |
2260 | } | |
2261 | ||
f15731c4 | 2262 | /* Locate an executable using the Systems default PATH. */ |
1fac938e | 2263 | |
2264 | char * | |
9dfe12ae | 2265 | __gnat_locate_exec_on_path (char *exec_name) |
1fac938e | 2266 | { |
9dfe12ae | 2267 | char *apath_val; |
3b18b370 | 2268 | |
e2a33c18 | 2269 | #if defined (_WIN32) && !defined (RTX) |
3b18b370 | 2270 | TCHAR *wpath_val = _tgetenv (_T("PATH")); |
2271 | TCHAR *wapath_val; | |
9dfe12ae | 2272 | /* In Win32 systems we expand the PATH as for XP environment |
c69ba469 | 2273 | variables are not automatically expanded. We also prepend the |
2274 | ".;" to the path to match normal NT path search semantics */ | |
9dfe12ae | 2275 | |
c69ba469 | 2276 | #define EXPAND_BUFFER_SIZE 32767 |
9dfe12ae | 2277 | |
3b18b370 | 2278 | wapath_val = alloca (EXPAND_BUFFER_SIZE); |
c69ba469 | 2279 | |
3b18b370 | 2280 | wapath_val [0] = '.'; |
2281 | wapath_val [1] = ';'; | |
1fac938e | 2282 | |
c69ba469 | 2283 | DWORD res = ExpandEnvironmentStrings |
3b18b370 | 2284 | (wpath_val, &wapath_val[2], EXPAND_BUFFER_SIZE - 2); |
2285 | ||
2286 | if (!res) wapath_val [0] = _T('\0'); | |
2287 | ||
2288 | apath_val = alloca (EXPAND_BUFFER_SIZE); | |
2289 | ||
1e622f0e | 2290 | WS2SU (apath_val, wapath_val, EXPAND_BUFFER_SIZE); |
3b18b370 | 2291 | return __gnat_locate_exec (exec_name, apath_val); |
c69ba469 | 2292 | |
c69ba469 | 2293 | #else |
3b18b370 | 2294 | |
2295 | #ifdef VMS | |
2296 | char *path_val = "/VAXC$PATH"; | |
2297 | #else | |
2298 | char *path_val = getenv ("PATH"); | |
2299 | #endif | |
e2c62f37 | 2300 | if (path_val == NULL) return NULL; |
5703e222 | 2301 | apath_val = (char *) alloca (strlen (path_val) + 1); |
1fac938e | 2302 | strcpy (apath_val, path_val); |
2303 | return __gnat_locate_exec (exec_name, apath_val); | |
3b18b370 | 2304 | #endif |
1fac938e | 2305 | } |
2306 | ||
2307 | #ifdef VMS | |
2308 | ||
2309 | /* These functions are used to translate to and from VMS and Unix syntax | |
f15731c4 | 2310 | file, directory and path specifications. */ |
1fac938e | 2311 | |
9dfe12ae | 2312 | #define MAXPATH 256 |
1fac938e | 2313 | #define MAXNAMES 256 |
2314 | #define NEW_CANONICAL_FILELIST_INCREMENT 64 | |
2315 | ||
9dfe12ae | 2316 | static char new_canonical_dirspec [MAXPATH]; |
2317 | static char new_canonical_filespec [MAXPATH]; | |
2318 | static char new_canonical_pathspec [MAXNAMES*MAXPATH]; | |
1fac938e | 2319 | static unsigned new_canonical_filelist_index; |
2320 | static unsigned new_canonical_filelist_in_use; | |
2321 | static unsigned new_canonical_filelist_allocated; | |
2322 | static char **new_canonical_filelist; | |
9dfe12ae | 2323 | static char new_host_pathspec [MAXNAMES*MAXPATH]; |
2324 | static char new_host_dirspec [MAXPATH]; | |
2325 | static char new_host_filespec [MAXPATH]; | |
1fac938e | 2326 | |
2327 | /* Routine is called repeatedly by decc$from_vms via | |
9dfe12ae | 2328 | __gnat_to_canonical_file_list_init until it returns 0 or the expansion |
2329 | runs out. */ | |
1fac938e | 2330 | |
2331 | static int | |
9dfe12ae | 2332 | wildcard_translate_unix (char *name) |
1fac938e | 2333 | { |
2334 | char *ver; | |
9dfe12ae | 2335 | char buff [MAXPATH]; |
1fac938e | 2336 | |
9dfe12ae | 2337 | strncpy (buff, name, MAXPATH); |
2338 | buff [MAXPATH - 1] = (char) 0; | |
1fac938e | 2339 | ver = strrchr (buff, '.'); |
2340 | ||
f15731c4 | 2341 | /* Chop off the version. */ |
1fac938e | 2342 | if (ver) |
2343 | *ver = 0; | |
2344 | ||
f15731c4 | 2345 | /* Dynamically extend the allocation by the increment. */ |
1fac938e | 2346 | if (new_canonical_filelist_in_use == new_canonical_filelist_allocated) |
2347 | { | |
2348 | new_canonical_filelist_allocated += NEW_CANONICAL_FILELIST_INCREMENT; | |
f15731c4 | 2349 | new_canonical_filelist = (char **) xrealloc |
1fac938e | 2350 | (new_canonical_filelist, |
2351 | new_canonical_filelist_allocated * sizeof (char *)); | |
2352 | } | |
2353 | ||
2354 | new_canonical_filelist[new_canonical_filelist_in_use++] = xstrdup (buff); | |
2355 | ||
2356 | return 1; | |
2357 | } | |
2358 | ||
f15731c4 | 2359 | /* Translate a wildcard VMS file spec into a list of Unix file specs. First do |
2360 | full translation and copy the results into a list (_init), then return them | |
2361 | one at a time (_next). If onlydirs set, only expand directory files. */ | |
1fac938e | 2362 | |
2363 | int | |
9dfe12ae | 2364 | __gnat_to_canonical_file_list_init (char *filespec, int onlydirs) |
1fac938e | 2365 | { |
2366 | int len; | |
9dfe12ae | 2367 | char buff [MAXPATH]; |
1fac938e | 2368 | |
2369 | len = strlen (filespec); | |
9dfe12ae | 2370 | strncpy (buff, filespec, MAXPATH); |
2371 | ||
2372 | /* Only look for directories */ | |
2373 | if (onlydirs && !strstr (&buff [len-5], "*.dir")) | |
2374 | strncat (buff, "*.dir", MAXPATH); | |
1fac938e | 2375 | |
9dfe12ae | 2376 | buff [MAXPATH - 1] = (char) 0; |
1fac938e | 2377 | |
2378 | decc$from_vms (buff, wildcard_translate_unix, 1); | |
2379 | ||
f15731c4 | 2380 | /* Remove the .dir extension. */ |
1fac938e | 2381 | if (onlydirs) |
2382 | { | |
2383 | int i; | |
2384 | char *ext; | |
2385 | ||
2386 | for (i = 0; i < new_canonical_filelist_in_use; i++) | |
2387 | { | |
f15731c4 | 2388 | ext = strstr (new_canonical_filelist[i], ".dir"); |
1fac938e | 2389 | if (ext) |
2390 | *ext = 0; | |
2391 | } | |
2392 | } | |
2393 | ||
2394 | return new_canonical_filelist_in_use; | |
2395 | } | |
2396 | ||
f15731c4 | 2397 | /* Return the next filespec in the list. */ |
1fac938e | 2398 | |
2399 | char * | |
2400 | __gnat_to_canonical_file_list_next () | |
2401 | { | |
f15731c4 | 2402 | return new_canonical_filelist[new_canonical_filelist_index++]; |
1fac938e | 2403 | } |
2404 | ||
f15731c4 | 2405 | /* Free storage used in the wildcard expansion. */ |
1fac938e | 2406 | |
2407 | void | |
2408 | __gnat_to_canonical_file_list_free () | |
2409 | { | |
2410 | int i; | |
2411 | ||
2412 | for (i = 0; i < new_canonical_filelist_in_use; i++) | |
f15731c4 | 2413 | free (new_canonical_filelist[i]); |
1fac938e | 2414 | |
2415 | free (new_canonical_filelist); | |
2416 | ||
2417 | new_canonical_filelist_in_use = 0; | |
2418 | new_canonical_filelist_allocated = 0; | |
2419 | new_canonical_filelist_index = 0; | |
2420 | new_canonical_filelist = 0; | |
2421 | } | |
2422 | ||
b12d3a0b | 2423 | /* The functional equivalent of decc$translate_vms routine. |
2424 | Designed to produce the same output, but is protected against | |
2425 | malformed paths (original version ACCVIOs in this case) and | |
2426 | does not require VMS-specific DECC RTL */ | |
2427 | ||
2428 | #define NAM$C_MAXRSS 1024 | |
2429 | ||
2430 | char * | |
2431 | __gnat_translate_vms (char *src) | |
2432 | { | |
2433 | static char retbuf [NAM$C_MAXRSS+1]; | |
2434 | char *srcendpos, *pos1, *pos2, *retpos; | |
2435 | int disp, path_present = 0; | |
2436 | ||
2437 | if (!src) return NULL; | |
2438 | ||
2439 | srcendpos = strchr (src, '\0'); | |
2440 | retpos = retbuf; | |
2441 | ||
2442 | /* Look for the node and/or device in front of the path */ | |
2443 | pos1 = src; | |
2444 | pos2 = strchr (pos1, ':'); | |
2445 | ||
2446 | if (pos2 && (pos2 < srcendpos) && (*(pos2 + 1) == ':')) { | |
2447 | /* There is a node name. "node_name::" becomes "node_name!" */ | |
2448 | disp = pos2 - pos1; | |
2449 | strncpy (retbuf, pos1, disp); | |
2450 | retpos [disp] = '!'; | |
2451 | retpos = retpos + disp + 1; | |
2452 | pos1 = pos2 + 2; | |
2453 | pos2 = strchr (pos1, ':'); | |
2454 | } | |
2455 | ||
2456 | if (pos2) { | |
2457 | /* There is a device name. "dev_name:" becomes "/dev_name/" */ | |
2458 | *(retpos++) = '/'; | |
2459 | disp = pos2 - pos1; | |
2460 | strncpy (retpos, pos1, disp); | |
2461 | retpos = retpos + disp; | |
2462 | pos1 = pos2 + 1; | |
2463 | *(retpos++) = '/'; | |
2464 | } | |
2465 | else | |
2466 | /* No explicit device; we must look ahead and prepend /sys$disk/ if | |
2467 | the path is absolute */ | |
2468 | if ((*pos1 == '[' || *pos1 == '<') && (pos1 < srcendpos) | |
2469 | && !strchr (".-]>", *(pos1 + 1))) { | |
2470 | strncpy (retpos, "/sys$disk/", 10); | |
2471 | retpos += 10; | |
2472 | } | |
2473 | ||
2474 | /* Process the path part */ | |
2475 | while (*pos1 == '[' || *pos1 == '<') { | |
2476 | path_present++; | |
2477 | pos1++; | |
2478 | if (*pos1 == ']' || *pos1 == '>') { | |
2479 | /* Special case, [] translates to '.' */ | |
2480 | *(retpos++) = '.'; | |
2481 | pos1++; | |
2482 | } | |
2483 | else { | |
2484 | /* '[000000' means root dir. It can be present in the middle of | |
2485 | the path due to expansion of logical devices, in which case | |
2486 | we skip it */ | |
2487 | if (!strncmp (pos1, "000000", 6) && path_present > 1 && | |
2488 | (*(pos1 + 6) == ']' || *(pos1 + 6) == '>' || *(pos1 + 6) == '.')) { | |
2489 | pos1 += 6; | |
2490 | if (*pos1 == '.') pos1++; | |
2491 | } | |
2492 | else if (*pos1 == '.') { | |
2493 | /* Relative path */ | |
2494 | *(retpos++) = '.'; | |
2495 | } | |
2496 | ||
2359306a | 2497 | /* There is a qualified path */ |
2498 | while (*pos1 && *pos1 != ']' && *pos1 != '>') { | |
b12d3a0b | 2499 | switch (*pos1) { |
2500 | case '.': | |
2501 | /* '.' is used to separate directories. Replace it with '/' but | |
2502 | only if there isn't already '/' just before */ | |
2503 | if (*(retpos - 1) != '/') *(retpos++) = '/'; | |
2504 | pos1++; | |
2505 | if (pos1 + 1 < srcendpos && *pos1 == '.' && *(pos1 + 1) == '.') { | |
2506 | /* ellipsis refers to entire subtree; replace with '**' */ | |
2507 | *(retpos++) = '*'; *(retpos++) = '*'; *(retpos++) = '/'; | |
2508 | pos1 += 2; | |
2509 | } | |
2510 | break; | |
2511 | case '-' : | |
2359306a | 2512 | /* When after '.' '[' '<' is equivalent to Unix ".." but there |
2513 | may be several in a row */ | |
2514 | if (*(pos1 - 1) == '.' || *(pos1 - 1) == '[' || | |
2515 | *(pos1 - 1) == '<') { | |
2516 | while (*pos1 == '-') { | |
2517 | pos1++; | |
2518 | *(retpos++) = '.'; *(retpos++) = '.'; *(retpos++) = '/'; | |
2519 | } | |
2520 | retpos--; | |
2521 | break; | |
b12d3a0b | 2522 | } |
2359306a | 2523 | /* otherwise fall through to default */ |
b12d3a0b | 2524 | default: |
2525 | *(retpos++) = *(pos1++); | |
2526 | } | |
2527 | } | |
2528 | pos1++; | |
2529 | } | |
2530 | } | |
2531 | ||
2532 | if (pos1 < srcendpos) { | |
2533 | /* Now add the actual file name, until the version suffix if any */ | |
2534 | if (path_present) *(retpos++) = '/'; | |
2535 | pos2 = strchr (pos1, ';'); | |
2536 | disp = pos2? (pos2 - pos1) : (srcendpos - pos1); | |
2537 | strncpy (retpos, pos1, disp); | |
2538 | retpos += disp; | |
2539 | if (pos2 && pos2 < srcendpos) { | |
2540 | /* There is a non-empty version suffix. ";<ver>" becomes ".<ver>" */ | |
2541 | *retpos++ = '.'; | |
2542 | disp = srcendpos - pos2 - 1; | |
2543 | strncpy (retpos, pos2 + 1, disp); | |
2544 | retpos += disp; | |
2545 | } | |
2546 | } | |
2547 | ||
2548 | *retpos = '\0'; | |
2549 | ||
2550 | return retbuf; | |
2551 | ||
2552 | } | |
2553 | ||
f15731c4 | 2554 | /* Translate a VMS syntax directory specification in to Unix syntax. If |
2555 | PREFIXFLAG is set, append an underscore "/". If no indicators of VMS syntax | |
2556 | found, return input string. Also translate a dirname that contains no | |
2557 | slashes, in case it's a logical name. */ | |
1fac938e | 2558 | |
2559 | char * | |
9dfe12ae | 2560 | __gnat_to_canonical_dir_spec (char *dirspec, int prefixflag) |
1fac938e | 2561 | { |
2562 | int len; | |
2563 | ||
2564 | strcpy (new_canonical_dirspec, ""); | |
2565 | if (strlen (dirspec)) | |
2566 | { | |
2567 | char *dirspec1; | |
2568 | ||
2569 | if (strchr (dirspec, ']') || strchr (dirspec, ':')) | |
9dfe12ae | 2570 | { |
2571 | strncpy (new_canonical_dirspec, | |
b12d3a0b | 2572 | __gnat_translate_vms (dirspec), |
9dfe12ae | 2573 | MAXPATH); |
2574 | } | |
1fac938e | 2575 | else if (!strchr (dirspec, '/') && (dirspec1 = getenv (dirspec)) != 0) |
9dfe12ae | 2576 | { |
2577 | strncpy (new_canonical_dirspec, | |
b12d3a0b | 2578 | __gnat_translate_vms (dirspec1), |
9dfe12ae | 2579 | MAXPATH); |
2580 | } | |
1fac938e | 2581 | else |
9dfe12ae | 2582 | { |
2583 | strncpy (new_canonical_dirspec, dirspec, MAXPATH); | |
2584 | } | |
1fac938e | 2585 | } |
2586 | ||
2587 | len = strlen (new_canonical_dirspec); | |
9dfe12ae | 2588 | if (prefixflag && new_canonical_dirspec [len-1] != '/') |
2589 | strncat (new_canonical_dirspec, "/", MAXPATH); | |
2590 | ||
2591 | new_canonical_dirspec [MAXPATH - 1] = (char) 0; | |
1fac938e | 2592 | |
2593 | return new_canonical_dirspec; | |
2594 | ||
2595 | } | |
2596 | ||
2597 | /* Translate a VMS syntax file specification into Unix syntax. | |
3cc2671a | 2598 | If no indicators of VMS syntax found, check if it's an uppercase |
23c6b287 | 2599 | alphanumeric_ name and if so try it out as an environment |
2600 | variable (logical name). If all else fails return the | |
2601 | input string. */ | |
1fac938e | 2602 | |
2603 | char * | |
9dfe12ae | 2604 | __gnat_to_canonical_file_spec (char *filespec) |
1fac938e | 2605 | { |
23c6b287 | 2606 | char *filespec1; |
2607 | ||
9dfe12ae | 2608 | strncpy (new_canonical_filespec, "", MAXPATH); |
2609 | ||
1fac938e | 2610 | if (strchr (filespec, ']') || strchr (filespec, ':')) |
9dfe12ae | 2611 | { |
2359306a | 2612 | char *tspec = (char *) __gnat_translate_vms (filespec); |
c69ba469 | 2613 | |
2614 | if (tspec != (char *) -1) | |
2615 | strncpy (new_canonical_filespec, tspec, MAXPATH); | |
23c6b287 | 2616 | } |
2617 | else if ((strlen (filespec) == strspn (filespec, | |
2618 | "ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789_")) | |
2619 | && (filespec1 = getenv (filespec))) | |
2620 | { | |
2359306a | 2621 | char *tspec = (char *) __gnat_translate_vms (filespec1); |
c69ba469 | 2622 | |
2623 | if (tspec != (char *) -1) | |
2624 | strncpy (new_canonical_filespec, tspec, MAXPATH); | |
9dfe12ae | 2625 | } |
1fac938e | 2626 | else |
9dfe12ae | 2627 | { |
2628 | strncpy (new_canonical_filespec, filespec, MAXPATH); | |
2629 | } | |
2630 | ||
2631 | new_canonical_filespec [MAXPATH - 1] = (char) 0; | |
1fac938e | 2632 | |
2633 | return new_canonical_filespec; | |
2634 | } | |
2635 | ||
2636 | /* Translate a VMS syntax path specification into Unix syntax. | |
f15731c4 | 2637 | If no indicators of VMS syntax found, return input string. */ |
1fac938e | 2638 | |
2639 | char * | |
9dfe12ae | 2640 | __gnat_to_canonical_path_spec (char *pathspec) |
1fac938e | 2641 | { |
9dfe12ae | 2642 | char *curr, *next, buff [MAXPATH]; |
1fac938e | 2643 | |
2644 | if (pathspec == 0) | |
2645 | return pathspec; | |
2646 | ||
f15731c4 | 2647 | /* If there are /'s, assume it's a Unix path spec and return. */ |
1fac938e | 2648 | if (strchr (pathspec, '/')) |
2649 | return pathspec; | |
2650 | ||
f15731c4 | 2651 | new_canonical_pathspec[0] = 0; |
1fac938e | 2652 | curr = pathspec; |
2653 | ||
2654 | for (;;) | |
2655 | { | |
2656 | next = strchr (curr, ','); | |
2657 | if (next == 0) | |
2658 | next = strchr (curr, 0); | |
2659 | ||
2660 | strncpy (buff, curr, next - curr); | |
f15731c4 | 2661 | buff[next - curr] = 0; |
1fac938e | 2662 | |
f15731c4 | 2663 | /* Check for wildcards and expand if present. */ |
1fac938e | 2664 | if (strchr (buff, '*') || strchr (buff, '%') || strstr (buff, "...")) |
2665 | { | |
2666 | int i, dirs; | |
2667 | ||
2668 | dirs = __gnat_to_canonical_file_list_init (buff, 1); | |
2669 | for (i = 0; i < dirs; i++) | |
2670 | { | |
2671 | char *next_dir; | |
2672 | ||
2673 | next_dir = __gnat_to_canonical_file_list_next (); | |
9dfe12ae | 2674 | strncat (new_canonical_pathspec, next_dir, MAXPATH); |
1fac938e | 2675 | |
f15731c4 | 2676 | /* Don't append the separator after the last expansion. */ |
1fac938e | 2677 | if (i+1 < dirs) |
9dfe12ae | 2678 | strncat (new_canonical_pathspec, ":", MAXPATH); |
1fac938e | 2679 | } |
2680 | ||
2681 | __gnat_to_canonical_file_list_free (); | |
2682 | } | |
2683 | else | |
9dfe12ae | 2684 | strncat (new_canonical_pathspec, |
2685 | __gnat_to_canonical_dir_spec (buff, 0), MAXPATH); | |
1fac938e | 2686 | |
2687 | if (*next == 0) | |
2688 | break; | |
2689 | ||
9dfe12ae | 2690 | strncat (new_canonical_pathspec, ":", MAXPATH); |
1fac938e | 2691 | curr = next + 1; |
2692 | } | |
2693 | ||
9dfe12ae | 2694 | new_canonical_pathspec [MAXPATH - 1] = (char) 0; |
2695 | ||
1fac938e | 2696 | return new_canonical_pathspec; |
2697 | } | |
2698 | ||
9dfe12ae | 2699 | static char filename_buff [MAXPATH]; |
1fac938e | 2700 | |
2701 | static int | |
9dfe12ae | 2702 | translate_unix (char *name, int type) |
1fac938e | 2703 | { |
9dfe12ae | 2704 | strncpy (filename_buff, name, MAXPATH); |
2705 | filename_buff [MAXPATH - 1] = (char) 0; | |
1fac938e | 2706 | return 0; |
2707 | } | |
2708 | ||
f15731c4 | 2709 | /* Translate a Unix syntax path spec into a VMS style (comma separated list of |
2710 | directories. */ | |
1fac938e | 2711 | |
2712 | static char * | |
9dfe12ae | 2713 | to_host_path_spec (char *pathspec) |
1fac938e | 2714 | { |
9dfe12ae | 2715 | char *curr, *next, buff [MAXPATH]; |
1fac938e | 2716 | |
2717 | if (pathspec == 0) | |
2718 | return pathspec; | |
2719 | ||
f15731c4 | 2720 | /* Can't very well test for colons, since that's the Unix separator! */ |
1fac938e | 2721 | if (strchr (pathspec, ']') || strchr (pathspec, ',')) |
2722 | return pathspec; | |
2723 | ||
f15731c4 | 2724 | new_host_pathspec[0] = 0; |
1fac938e | 2725 | curr = pathspec; |
2726 | ||
2727 | for (;;) | |
2728 | { | |
2729 | next = strchr (curr, ':'); | |
2730 | if (next == 0) | |
2731 | next = strchr (curr, 0); | |
2732 | ||
2733 | strncpy (buff, curr, next - curr); | |
f15731c4 | 2734 | buff[next - curr] = 0; |
1fac938e | 2735 | |
9dfe12ae | 2736 | strncat (new_host_pathspec, __gnat_to_host_dir_spec (buff, 0), MAXPATH); |
1fac938e | 2737 | if (*next == 0) |
2738 | break; | |
9dfe12ae | 2739 | strncat (new_host_pathspec, ",", MAXPATH); |
1fac938e | 2740 | curr = next + 1; |
2741 | } | |
2742 | ||
9dfe12ae | 2743 | new_host_pathspec [MAXPATH - 1] = (char) 0; |
2744 | ||
1fac938e | 2745 | return new_host_pathspec; |
2746 | } | |
2747 | ||
f15731c4 | 2748 | /* Translate a Unix syntax directory specification into VMS syntax. The |
2749 | PREFIXFLAG has no effect, but is kept for symmetry with | |
2750 | to_canonical_dir_spec. If indicators of VMS syntax found, return input | |
2751 | string. */ | |
1fac938e | 2752 | |
2753 | char * | |
9dfe12ae | 2754 | __gnat_to_host_dir_spec (char *dirspec, int prefixflag ATTRIBUTE_UNUSED) |
1fac938e | 2755 | { |
2756 | int len = strlen (dirspec); | |
2757 | ||
9dfe12ae | 2758 | strncpy (new_host_dirspec, dirspec, MAXPATH); |
2759 | new_host_dirspec [MAXPATH - 1] = (char) 0; | |
1fac938e | 2760 | |
2761 | if (strchr (new_host_dirspec, ']') || strchr (new_host_dirspec, ':')) | |
2762 | return new_host_dirspec; | |
2763 | ||
f15731c4 | 2764 | while (len > 1 && new_host_dirspec[len - 1] == '/') |
1fac938e | 2765 | { |
f15731c4 | 2766 | new_host_dirspec[len - 1] = 0; |
1fac938e | 2767 | len--; |
2768 | } | |
2769 | ||
2770 | decc$to_vms (new_host_dirspec, translate_unix, 1, 2); | |
9dfe12ae | 2771 | strncpy (new_host_dirspec, filename_buff, MAXPATH); |
2772 | new_host_dirspec [MAXPATH - 1] = (char) 0; | |
1fac938e | 2773 | |
2774 | return new_host_dirspec; | |
1fac938e | 2775 | } |
2776 | ||
2777 | /* Translate a Unix syntax file specification into VMS syntax. | |
f15731c4 | 2778 | If indicators of VMS syntax found, return input string. */ |
1fac938e | 2779 | |
2780 | char * | |
9dfe12ae | 2781 | __gnat_to_host_file_spec (char *filespec) |
1fac938e | 2782 | { |
9dfe12ae | 2783 | strncpy (new_host_filespec, "", MAXPATH); |
1fac938e | 2784 | if (strchr (filespec, ']') || strchr (filespec, ':')) |
9dfe12ae | 2785 | { |
2786 | strncpy (new_host_filespec, filespec, MAXPATH); | |
2787 | } | |
1fac938e | 2788 | else |
2789 | { | |
2790 | decc$to_vms (filespec, translate_unix, 1, 1); | |
9dfe12ae | 2791 | strncpy (new_host_filespec, filename_buff, MAXPATH); |
1fac938e | 2792 | } |
2793 | ||
9dfe12ae | 2794 | new_host_filespec [MAXPATH - 1] = (char) 0; |
2795 | ||
1fac938e | 2796 | return new_host_filespec; |
2797 | } | |
2798 | ||
2799 | void | |
2800 | __gnat_adjust_os_resource_limits () | |
2801 | { | |
2802 | SYS$ADJWSL (131072, 0); | |
2803 | } | |
2804 | ||
9dfe12ae | 2805 | #else /* VMS */ |
1fac938e | 2806 | |
f15731c4 | 2807 | /* Dummy functions for Osint import for non-VMS systems. */ |
1fac938e | 2808 | |
2809 | int | |
9dfe12ae | 2810 | __gnat_to_canonical_file_list_init |
2811 | (char *dirspec ATTRIBUTE_UNUSED, int onlydirs ATTRIBUTE_UNUSED) | |
1fac938e | 2812 | { |
2813 | return 0; | |
2814 | } | |
2815 | ||
2816 | char * | |
6f2c2693 | 2817 | __gnat_to_canonical_file_list_next (void) |
1fac938e | 2818 | { |
2819 | return (char *) ""; | |
2820 | } | |
2821 | ||
2822 | void | |
6f2c2693 | 2823 | __gnat_to_canonical_file_list_free (void) |
1fac938e | 2824 | { |
2825 | } | |
2826 | ||
2827 | char * | |
9dfe12ae | 2828 | __gnat_to_canonical_dir_spec (char *dirspec, int prefixflag ATTRIBUTE_UNUSED) |
1fac938e | 2829 | { |
2830 | return dirspec; | |
2831 | } | |
2832 | ||
2833 | char * | |
9dfe12ae | 2834 | __gnat_to_canonical_file_spec (char *filespec) |
1fac938e | 2835 | { |
2836 | return filespec; | |
2837 | } | |
2838 | ||
2839 | char * | |
9dfe12ae | 2840 | __gnat_to_canonical_path_spec (char *pathspec) |
1fac938e | 2841 | { |
2842 | return pathspec; | |
2843 | } | |
2844 | ||
2845 | char * | |
9dfe12ae | 2846 | __gnat_to_host_dir_spec (char *dirspec, int prefixflag ATTRIBUTE_UNUSED) |
1fac938e | 2847 | { |
2848 | return dirspec; | |
2849 | } | |
2850 | ||
2851 | char * | |
9dfe12ae | 2852 | __gnat_to_host_file_spec (char *filespec) |
1fac938e | 2853 | { |
2854 | return filespec; | |
2855 | } | |
2856 | ||
2857 | void | |
6f2c2693 | 2858 | __gnat_adjust_os_resource_limits (void) |
1fac938e | 2859 | { |
2860 | } | |
2861 | ||
2862 | #endif | |
2863 | ||
f15731c4 | 2864 | /* For EMX, we cannot include dummy in libgcc, since it is too difficult |
1fac938e | 2865 | to coordinate this with the EMX distribution. Consequently, we put the |
f15731c4 | 2866 | definition of dummy which is used for exception handling, here. */ |
1fac938e | 2867 | |
2868 | #if defined (__EMX__) | |
2869 | void __dummy () {} | |
2870 | #endif | |
2871 | ||
2872 | #if defined (__mips_vxworks) | |
9dfe12ae | 2873 | int |
2874 | _flush_cache() | |
1fac938e | 2875 | { |
2876 | CACHE_USER_FLUSH (0, ENTIRE_CACHE); | |
2877 | } | |
2878 | #endif | |
2879 | ||
29d774d0 | 2880 | #if defined (CROSS_DIRECTORY_STRUCTURE) \ |
a3b0f4f2 | 2881 | || (! ((defined (sparc) || defined (i386)) && defined (sun) \ |
2882 | && defined (__SVR4)) \ | |
c69ba469 | 2883 | && ! (defined (linux) && (defined (i386) || defined (__x86_64__))) \ |
a3b0f4f2 | 2884 | && ! (defined (linux) && defined (__ia64__)) \ |
547371fa | 2885 | && ! (defined (linux) && defined (powerpc)) \ |
40a4417a | 2886 | && ! defined (__FreeBSD__) \ |
21a87c1d | 2887 | && ! defined (__hpux__) \ |
ba706ed3 | 2888 | && ! defined (__APPLE__) \ |
9dfe12ae | 2889 | && ! defined (_AIX) \ |
1fac938e | 2890 | && ! (defined (__alpha__) && defined (__osf__)) \ |
3b18b370 | 2891 | && ! defined (VMS) \ |
80d4fec4 | 2892 | && ! defined (__MINGW32__) \ |
2893 | && ! (defined (__mips) && defined (__sgi))) | |
f15731c4 | 2894 | |
a3b0f4f2 | 2895 | /* Dummy function to satisfy g-trasym.o. See the preprocessor conditional |
2896 | just above for a list of native platforms that provide a non-dummy | |
2897 | version of this procedure in libaddr2line.a. */ | |
1fac938e | 2898 | |
2899 | void | |
1e622f0e | 2900 | convert_addresses (const char *file_name ATTRIBUTE_UNUSED, |
2901 | void *addrs ATTRIBUTE_UNUSED, | |
9dfe12ae | 2902 | int n_addr ATTRIBUTE_UNUSED, |
2903 | void *buf ATTRIBUTE_UNUSED, | |
2904 | int *len ATTRIBUTE_UNUSED) | |
1fac938e | 2905 | { |
2906 | *len = 0; | |
2907 | } | |
2908 | #endif | |
f15731c4 | 2909 | |
2910 | #if defined (_WIN32) | |
2911 | int __gnat_argument_needs_quote = 1; | |
2912 | #else | |
2913 | int __gnat_argument_needs_quote = 0; | |
2914 | #endif | |
9dfe12ae | 2915 | |
2916 | /* This option is used to enable/disable object files handling from the | |
2917 | binder file by the GNAT Project module. For example, this is disabled on | |
e0f42093 | 2918 | Windows (prior to GCC 3.4) as it is already done by the mdll module. |
2919 | Stating with GCC 3.4 the shared libraries are not based on mdll | |
2920 | anymore as it uses the GCC's -shared option */ | |
2921 | #if defined (_WIN32) \ | |
2922 | && ((__GNUC__ < 3) || ((__GNUC__ == 3) && (__GNUC_MINOR__ < 4))) | |
9dfe12ae | 2923 | int __gnat_prj_add_obj_files = 0; |
2924 | #else | |
2925 | int __gnat_prj_add_obj_files = 1; | |
2926 | #endif | |
2927 | ||
2928 | /* char used as prefix/suffix for environment variables */ | |
2929 | #if defined (_WIN32) | |
2930 | char __gnat_environment_char = '%'; | |
2931 | #else | |
2932 | char __gnat_environment_char = '$'; | |
2933 | #endif | |
2934 | ||
2935 | /* This functions copy the file attributes from a source file to a | |
2936 | destination file. | |
2937 | ||
2938 | mode = 0 : In this mode copy only the file time stamps (last access and | |
2939 | last modification time stamps). | |
2940 | ||
2941 | mode = 1 : In this mode, time stamps and read/write/execute attributes are | |
2942 | copied. | |
2943 | ||
2944 | Returns 0 if operation was successful and -1 in case of error. */ | |
2945 | ||
2946 | int | |
2947 | __gnat_copy_attribs (char *from, char *to, int mode) | |
2948 | { | |
5091bc2f | 2949 | #if defined (VMS) || defined (__vxworks) || defined (__nucleus__) |
9dfe12ae | 2950 | return -1; |
2951 | #else | |
2952 | struct stat fbuf; | |
2953 | struct utimbuf tbuf; | |
2954 | ||
2955 | if (stat (from, &fbuf) == -1) | |
2956 | { | |
2957 | return -1; | |
2958 | } | |
2959 | ||
2960 | tbuf.actime = fbuf.st_atime; | |
2961 | tbuf.modtime = fbuf.st_mtime; | |
2962 | ||
2963 | if (utime (to, &tbuf) == -1) | |
2964 | { | |
2965 | return -1; | |
2966 | } | |
2967 | ||
2968 | if (mode == 1) | |
2969 | { | |
2970 | if (chmod (to, fbuf.st_mode) == -1) | |
2971 | { | |
2972 | return -1; | |
2973 | } | |
2974 | } | |
2975 | ||
2976 | return 0; | |
2977 | #endif | |
2978 | } | |
2979 | ||
cf6d853e | 2980 | int |
2981 | __gnat_lseek (int fd, long offset, int whence) | |
2982 | { | |
2983 | return (int) lseek (fd, offset, whence); | |
2984 | } | |
0914a918 | 2985 | |
e2c62f37 | 2986 | /* This function returns the major version number of GCC being used. */ |
0914a918 | 2987 | int |
2988 | get_gcc_version (void) | |
2989 | { | |
e2c62f37 | 2990 | #ifdef IN_RTS |
2991 | return __GNUC__; | |
2992 | #else | |
2993 | return (int) (version_string[0] - '0'); | |
2994 | #endif | |
0914a918 | 2995 | } |
6d9c3443 | 2996 | |
2997 | int | |
de10c095 | 2998 | __gnat_set_close_on_exec (int fd ATTRIBUTE_UNUSED, |
2999 | int close_on_exec_p ATTRIBUTE_UNUSED) | |
6d9c3443 | 3000 | { |
3001 | #if defined (F_GETFD) && defined (FD_CLOEXEC) && ! defined (__vxworks) | |
3002 | int flags = fcntl (fd, F_GETFD, 0); | |
3003 | if (flags < 0) | |
3004 | return flags; | |
3005 | if (close_on_exec_p) | |
3006 | flags |= FD_CLOEXEC; | |
3007 | else | |
3008 | flags &= ~FD_CLOEXEC; | |
3009 | return fcntl (fd, F_SETFD, flags | FD_CLOEXEC); | |
3010 | #else | |
3011 | return -1; | |
3012 | /* For the Windows case, we should use SetHandleInformation to remove | |
3013 | the HANDLE_INHERIT property from fd. This is not implemented yet, | |
3014 | but for our purposes (support of GNAT.Expect) this does not matter, | |
3015 | as by default handles are *not* inherited. */ | |
3016 | #endif | |
3017 | } | |
fb31b465 | 3018 | |
3019 | /* Indicates if platforms supports automatic initialization through the | |
3020 | constructor mechanism */ | |
3021 | int | |
3022 | __gnat_binder_supports_auto_init () | |
3023 | { | |
3024 | #ifdef VMS | |
3025 | return 0; | |
3026 | #else | |
3027 | return 1; | |
3028 | #endif | |
3029 | } | |
3030 | ||
3031 | /* Indicates that Stand-Alone Libraries are automatically initialized through | |
3032 | the constructor mechanism */ | |
3033 | int | |
3034 | __gnat_sals_init_using_constructors () | |
3035 | { | |
3036 | #if defined (__vxworks) || defined (__Lynx__) || defined (VMS) | |
3037 | return 0; | |
3038 | #else | |
3039 | return 1; | |
3040 | #endif | |
3041 | } | |
e2a33c18 | 3042 | |
3043 | /* In RTX mode, the procedure to get the time (as file time) is different | |
3044 | in RTSS mode and Win32 mode. In order to avoid duplicating an Ada file, | |
3045 | we introduce an intermediate procedure to link against the corresponding | |
3046 | one in each situation. */ | |
3047 | #ifdef RTX | |
3048 | ||
3049 | void GetTimeAsFileTime(LPFILETIME pTime) | |
3050 | { | |
3051 | #ifdef RTSS | |
3052 | RtGetRtssTimeAsFileTime (pTime); /* RTSS interface */ | |
3053 | #else | |
3054 | GetSystemTimeAsFileTime (pTime); /* w32 interface */ | |
3055 | #endif | |
3056 | } | |
3057 | #endif | |
3058 | ||
9d093602 | 3059 | #if defined (linux) || defined(__GLIBC__) |
e2a33c18 | 3060 | /* pthread affinity support */ |
3061 | ||
c62e34a4 | 3062 | int __gnat_pthread_setaffinity_np (pthread_t th, |
3063 | size_t cpusetsize, | |
3064 | const void *cpuset); | |
3065 | ||
e2a33c18 | 3066 | #ifdef CPU_SETSIZE |
3067 | #include <pthread.h> | |
3068 | int | |
3069 | __gnat_pthread_setaffinity_np (pthread_t th, | |
3070 | size_t cpusetsize, | |
3071 | const cpu_set_t *cpuset) | |
3072 | { | |
3073 | return pthread_setaffinity_np (th, cpusetsize, cpuset); | |
3074 | } | |
3075 | #else | |
3076 | int | |
c62e34a4 | 3077 | __gnat_pthread_setaffinity_np (pthread_t th ATTRIBUTE_UNUSED, |
3078 | size_t cpusetsize ATTRIBUTE_UNUSED, | |
3079 | const void *cpuset ATTRIBUTE_UNUSED) | |
e2a33c18 | 3080 | { |
3081 | return 0; | |
3082 | } | |
3083 | #endif | |
3084 | #endif |