]>
Commit | Line | Data |
---|---|---|
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> | |
a4f295eb | 88 | |
89 | /* For isalpha-like tests in the compiler, we're expected to resort to | |
90 | safe-ctype.h/ISALPHA. This isn't available for the runtime library | |
91 | build, so we fallback on ctype.h/isalpha there. */ | |
92 | ||
93 | #ifdef IN_RTS | |
f0a28ccb | 94 | #include <ctype.h> |
a4f295eb | 95 | #define ISALPHA isalpha |
96 | #endif | |
2359306a | 97 | |
98 | #elif defined (__Lynx__) | |
99 | ||
100 | /* Lynx utime.h only defines the entities of interest to us if | |
101 | defined (VMOS_DEV), so ... */ | |
102 | #define VMOS_DEV | |
103 | #include <utime.h> | |
104 | #undef VMOS_DEV | |
105 | ||
106 | #elif !defined (VMS) | |
9dfe12ae | 107 | #include <utime.h> |
9dfe12ae | 108 | #endif |
109 | ||
5091bc2f | 110 | /* wait.h processing */ |
9dfe12ae | 111 | #ifdef __MINGW32__ |
112 | #if OLD_MINGW | |
1fac938e | 113 | #include <sys/wait.h> |
9dfe12ae | 114 | #endif |
8ffbc401 | 115 | #elif defined (__vxworks) && defined (__RTP__) |
116 | #include <wait.h> | |
2359306a | 117 | #elif defined (__Lynx__) |
118 | /* ??? We really need wait.h and it includes resource.h on Lynx. GCC | |
119 | has a resource.h header as well, included instead of the lynx | |
120 | version in our setup, causing lots of errors. We don't really need | |
121 | the lynx contents of this file, so just workaround the issue by | |
122 | preventing the inclusion of the GCC header from doing anything. */ | |
123 | #define GCC_RESOURCE_H | |
124 | #include <sys/wait.h> | |
5091bc2f | 125 | #elif defined (__nucleus__) |
126 | /* No wait() or waitpid() calls available */ | |
9dfe12ae | 127 | #else |
5091bc2f | 128 | /* Default case */ |
9dfe12ae | 129 | #include <sys/wait.h> |
130 | #endif | |
1fac938e | 131 | |
d8dd2062 | 132 | #if defined (__EMX__) || defined (MSDOS) || defined (_WIN32) |
133 | #elif defined (VMS) | |
71a3e619 | 134 | |
f15731c4 | 135 | /* Header files and definitions for __gnat_set_file_time_name. */ |
71a3e619 | 136 | |
8620a406 | 137 | #define __NEW_STARLET 1 |
ba706ed3 | 138 | #include <vms/rms.h> |
139 | #include <vms/atrdef.h> | |
140 | #include <vms/fibdef.h> | |
141 | #include <vms/stsdef.h> | |
142 | #include <vms/iodef.h> | |
d8dd2062 | 143 | #include <errno.h> |
ba706ed3 | 144 | #include <vms/descrip.h> |
d8dd2062 | 145 | #include <string.h> |
146 | #include <unixlib.h> | |
147 | ||
f15731c4 | 148 | /* Use native 64-bit arithmetic. */ |
d8dd2062 | 149 | #define unix_time_to_vms(X,Y) \ |
150 | { unsigned long long reftime, tmptime = (X); \ | |
151 | $DESCRIPTOR (unixtime,"1-JAN-1970 0:00:00.00"); \ | |
152 | SYS$BINTIM (&unixtime, &reftime); \ | |
153 | Y = tmptime * 10000000 + reftime; } | |
154 | ||
155 | /* descrip.h doesn't have everything ... */ | |
8620a406 | 156 | typedef struct fibdef* __fibdef_ptr32 __attribute__ (( mode (SI) )); |
d8dd2062 | 157 | struct dsc$descriptor_fib |
158 | { | |
8620a406 | 159 | unsigned int fib$l_len; |
160 | __fibdef_ptr32 fib$l_addr; | |
d8dd2062 | 161 | }; |
162 | ||
71a3e619 | 163 | /* I/O Status Block. */ |
d8dd2062 | 164 | struct IOSB |
9dfe12ae | 165 | { |
d8dd2062 | 166 | unsigned short status, count; |
8620a406 | 167 | unsigned int devdep; |
d8dd2062 | 168 | }; |
169 | ||
170 | static char *tryfile; | |
171 | ||
71a3e619 | 172 | /* Variable length string. */ |
d8dd2062 | 173 | struct vstring |
174 | { | |
175 | short length; | |
f15731c4 | 176 | char string[NAM$C_MAXRSS+1]; |
d8dd2062 | 177 | }; |
178 | ||
d8dd2062 | 179 | #else |
180 | #include <utime.h> | |
181 | #endif | |
182 | ||
1fac938e | 183 | #if defined (__EMX__) || defined (MSDOS) || defined (_WIN32) |
184 | #include <process.h> | |
185 | #endif | |
186 | ||
187 | #if defined (_WIN32) | |
188 | #include <dir.h> | |
189 | #include <windows.h> | |
7db1ef17 | 190 | #include <accctrl.h> |
191 | #include <aclapi.h> | |
fef772a5 | 192 | #undef DIR_SEPARATOR |
193 | #define DIR_SEPARATOR '\\' | |
1fac938e | 194 | #endif |
195 | ||
196 | #include "adaint.h" | |
197 | ||
198 | /* Define symbols O_BINARY and O_TEXT as harmless zeroes if they are not | |
199 | defined in the current system. On DOS-like systems these flags control | |
200 | whether the file is opened/created in text-translation mode (CR/LF in | |
201 | external file mapped to LF in internal file), but in Unix-like systems, | |
202 | no text translation is required, so these flags have no effect. */ | |
203 | ||
204 | #if defined (__EMX__) | |
205 | #include <os2.h> | |
206 | #endif | |
207 | ||
208 | #if defined (MSDOS) | |
209 | #include <dos.h> | |
210 | #endif | |
211 | ||
212 | #ifndef O_BINARY | |
213 | #define O_BINARY 0 | |
214 | #endif | |
215 | ||
216 | #ifndef O_TEXT | |
217 | #define O_TEXT 0 | |
218 | #endif | |
219 | ||
220 | #ifndef HOST_EXECUTABLE_SUFFIX | |
221 | #define HOST_EXECUTABLE_SUFFIX "" | |
222 | #endif | |
223 | ||
224 | #ifndef HOST_OBJECT_SUFFIX | |
225 | #define HOST_OBJECT_SUFFIX ".o" | |
226 | #endif | |
227 | ||
228 | #ifndef PATH_SEPARATOR | |
229 | #define PATH_SEPARATOR ':' | |
230 | #endif | |
231 | ||
232 | #ifndef DIR_SEPARATOR | |
233 | #define DIR_SEPARATOR '/' | |
234 | #endif | |
235 | ||
a3b0f4f2 | 236 | /* Check for cross-compilation */ |
29d774d0 | 237 | #ifdef CROSS_DIRECTORY_STRUCTURE |
a3b0f4f2 | 238 | int __gnat_is_cross_compiler = 1; |
239 | #else | |
240 | int __gnat_is_cross_compiler = 0; | |
241 | #endif | |
242 | ||
1fac938e | 243 | char __gnat_dir_separator = DIR_SEPARATOR; |
244 | ||
245 | char __gnat_path_separator = PATH_SEPARATOR; | |
246 | ||
247 | /* The GNAT_LIBRARY_TEMPLATE contains a list of expressions that define | |
248 | the base filenames that libraries specified with -lsomelib options | |
249 | may have. This is used by GNATMAKE to check whether an executable | |
250 | is up-to-date or not. The syntax is | |
251 | ||
252 | library_template ::= { pattern ; } pattern NUL | |
253 | pattern ::= [ prefix ] * [ postfix ] | |
254 | ||
255 | These should only specify names of static libraries as it makes | |
256 | no sense to determine at link time if dynamic-link libraries are | |
257 | up to date or not. Any libraries that are not found are supposed | |
258 | to be up-to-date: | |
259 | ||
260 | * if they are needed but not present, the link | |
261 | will fail, | |
262 | ||
263 | * otherwise they are libraries in the system paths and so | |
264 | they are considered part of the system and not checked | |
265 | for that reason. | |
266 | ||
267 | ??? This should be part of a GNAT host-specific compiler | |
268 | file instead of being included in all user applications | |
f15731c4 | 269 | as well. This is only a temporary work-around for 3.11b. */ |
1fac938e | 270 | |
271 | #ifndef GNAT_LIBRARY_TEMPLATE | |
f15731c4 | 272 | #if defined (__EMX__) |
1fac938e | 273 | #define GNAT_LIBRARY_TEMPLATE "*.a" |
f15731c4 | 274 | #elif defined (VMS) |
1fac938e | 275 | #define GNAT_LIBRARY_TEMPLATE "*.olb" |
276 | #else | |
277 | #define GNAT_LIBRARY_TEMPLATE "lib*.a" | |
278 | #endif | |
279 | #endif | |
280 | ||
281 | const char *__gnat_library_template = GNAT_LIBRARY_TEMPLATE; | |
282 | ||
f15731c4 | 283 | /* This variable is used in hostparm.ads to say whether the host is a VMS |
284 | system. */ | |
285 | #ifdef VMS | |
286 | const int __gnat_vmsp = 1; | |
287 | #else | |
288 | const int __gnat_vmsp = 0; | |
289 | #endif | |
290 | ||
e633acdc | 291 | #ifdef __EMX__ |
9dfe12ae | 292 | #define GNAT_MAX_PATH_LEN MAX_PATH |
e633acdc | 293 | |
294 | #elif defined (VMS) | |
9dfe12ae | 295 | #define GNAT_MAX_PATH_LEN 256 /* PATH_MAX */ |
e633acdc | 296 | |
5091bc2f | 297 | #elif defined (__vxworks) || defined (__OPENNT) || defined(__nucleus__) |
9dfe12ae | 298 | #define GNAT_MAX_PATH_LEN PATH_MAX |
299 | ||
300 | #else | |
301 | ||
302 | #if defined (__MINGW32__) | |
303 | #include "mingw32.h" | |
304 | ||
305 | #if OLD_MINGW | |
306 | #include <sys/param.h> | |
307 | #endif | |
e633acdc | 308 | |
309 | #else | |
310 | #include <sys/param.h> | |
9dfe12ae | 311 | #endif |
312 | ||
8ae72cac | 313 | #ifdef MAXPATHLEN |
9dfe12ae | 314 | #define GNAT_MAX_PATH_LEN MAXPATHLEN |
8ae72cac | 315 | #else |
316 | #define GNAT_MAX_PATH_LEN 256 | |
317 | #endif | |
e633acdc | 318 | |
319 | #endif | |
320 | ||
9dfe12ae | 321 | /* The __gnat_max_path_len variable is used to export the maximum |
322 | length of a path name to Ada code. max_path_len is also provided | |
323 | for compatibility with older GNAT versions, please do not use | |
324 | it. */ | |
325 | ||
326 | int __gnat_max_path_len = GNAT_MAX_PATH_LEN; | |
327 | int max_path_len = GNAT_MAX_PATH_LEN; | |
328 | ||
1fac938e | 329 | /* The following macro HAVE_READDIR_R should be defined if the |
f15731c4 | 330 | system provides the routine readdir_r. */ |
1fac938e | 331 | #undef HAVE_READDIR_R |
332 | \f | |
6d9c3443 | 333 | #if defined(VMS) && defined (__LONG_POINTERS) |
334 | ||
335 | /* Return a 32 bit pointer to an array of 32 bit pointers | |
336 | given a 64 bit pointer to an array of 64 bit pointers */ | |
337 | ||
338 | typedef __char_ptr32 *__char_ptr_char_ptr32 __attribute__ ((mode (SI))); | |
339 | ||
340 | static __char_ptr_char_ptr32 | |
341 | to_ptr32 (char **ptr64) | |
342 | { | |
343 | int argc; | |
344 | __char_ptr_char_ptr32 short_argv; | |
345 | ||
346 | for (argc=0; ptr64[argc]; argc++); | |
347 | ||
348 | /* Reallocate argv with 32 bit pointers. */ | |
349 | short_argv = (__char_ptr_char_ptr32) decc$malloc | |
350 | (sizeof (__char_ptr32) * (argc + 1)); | |
351 | ||
352 | for (argc=0; ptr64[argc]; argc++) | |
353 | short_argv[argc] = (__char_ptr32) decc$strdup (ptr64[argc]); | |
354 | ||
355 | short_argv[argc] = (__char_ptr32) 0; | |
356 | return short_argv; | |
357 | ||
358 | } | |
359 | #define MAYBE_TO_PTR32(argv) to_ptr32 (argv) | |
360 | #else | |
361 | #define MAYBE_TO_PTR32(argv) argv | |
362 | #endif | |
363 | ||
1e622f0e | 364 | OS_Time |
365 | __gnat_current_time | |
366 | (void) | |
367 | { | |
368 | time_t res = time (NULL); | |
369 | return (OS_Time) res; | |
370 | } | |
371 | ||
a17c817e | 372 | /* Return the current local time as a string in the ISO 8601 format of |
373 | "YYYY-MM-DD HH:MM:SS.SS". The returned string is 22 + 1 (NULL) characters | |
374 | long. */ | |
375 | ||
376 | void | |
377 | __gnat_current_time_string | |
378 | (char *result) | |
379 | { | |
380 | const char *format = "%Y-%m-%d %H:%M:%S"; | |
381 | /* Format string necessary to describe the ISO 8601 format */ | |
382 | ||
383 | const time_t t_val = time (NULL); | |
384 | ||
385 | strftime (result, 22, format, localtime (&t_val)); | |
386 | /* Convert the local time into a string following the ISO format, copying | |
387 | at most 22 characters into the result string. */ | |
388 | ||
389 | result [19] = '.'; | |
390 | result [20] = '0'; | |
391 | result [21] = '0'; | |
392 | /* The sub-seconds are manually set to zero since type time_t lacks the | |
393 | precision necessary for nanoseconds. */ | |
394 | } | |
395 | ||
1fac938e | 396 | void |
9dfe12ae | 397 | __gnat_to_gm_time |
398 | (OS_Time *p_time, | |
399 | int *p_year, | |
400 | int *p_month, | |
401 | int *p_day, | |
402 | int *p_hours, | |
403 | int *p_mins, | |
404 | int *p_secs) | |
1fac938e | 405 | { |
406 | struct tm *res; | |
9dfe12ae | 407 | time_t time = (time_t) *p_time; |
1fac938e | 408 | |
409 | #ifdef _WIN32 | |
410 | /* On Windows systems, the time is sometimes rounded up to the nearest | |
411 | even second, so if the number of seconds is odd, increment it. */ | |
412 | if (time & 1) | |
413 | time++; | |
414 | #endif | |
415 | ||
9dfe12ae | 416 | #ifdef VMS |
417 | res = localtime (&time); | |
418 | #else | |
1fac938e | 419 | res = gmtime (&time); |
9dfe12ae | 420 | #endif |
1fac938e | 421 | |
422 | if (res) | |
423 | { | |
424 | *p_year = res->tm_year; | |
425 | *p_month = res->tm_mon; | |
426 | *p_day = res->tm_mday; | |
427 | *p_hours = res->tm_hour; | |
428 | *p_mins = res->tm_min; | |
429 | *p_secs = res->tm_sec; | |
f15731c4 | 430 | } |
1fac938e | 431 | else |
432 | *p_year = *p_month = *p_day = *p_hours = *p_mins = *p_secs = 0; | |
433 | } | |
434 | ||
435 | /* Place the contents of the symbolic link named PATH in the buffer BUF, | |
436 | which has size BUFSIZ. If PATH is a symbolic link, then return the number | |
5091bc2f | 437 | of characters of its content in BUF. Otherwise, return -1. |
438 | For systems not supporting symbolic links, always return -1. */ | |
1fac938e | 439 | |
9dfe12ae | 440 | int |
f0a28ccb | 441 | __gnat_readlink (char *path ATTRIBUTE_UNUSED, |
442 | char *buf ATTRIBUTE_UNUSED, | |
443 | size_t bufsiz ATTRIBUTE_UNUSED) | |
1fac938e | 444 | { |
5091bc2f | 445 | #if defined (MSDOS) || defined (_WIN32) || defined (__EMX__) \ |
acc10cf1 | 446 | || defined (VMS) || defined(__vxworks) || defined (__nucleus__) |
1fac938e | 447 | return -1; |
448 | #else | |
449 | return readlink (path, buf, bufsiz); | |
450 | #endif | |
451 | } | |
452 | ||
5091bc2f | 453 | /* Creates a symbolic link named NEWPATH which contains the string OLDPATH. |
454 | If NEWPATH exists it will NOT be overwritten. | |
455 | For systems not supporting symbolic links, always return -1. */ | |
1fac938e | 456 | |
457 | int | |
f0a28ccb | 458 | __gnat_symlink (char *oldpath ATTRIBUTE_UNUSED, |
459 | char *newpath ATTRIBUTE_UNUSED) | |
1fac938e | 460 | { |
5091bc2f | 461 | #if defined (MSDOS) || defined (_WIN32) || defined (__EMX__) \ |
acc10cf1 | 462 | || defined (VMS) || defined(__vxworks) || defined (__nucleus__) |
1fac938e | 463 | return -1; |
464 | #else | |
465 | return symlink (oldpath, newpath); | |
466 | #endif | |
467 | } | |
468 | ||
f15731c4 | 469 | /* Try to lock a file, return 1 if success. */ |
1fac938e | 470 | |
a17c817e | 471 | #if defined (__vxworks) || defined (__nucleus__) || defined (MSDOS) \ |
472 | || defined (_WIN32) | |
1fac938e | 473 | |
474 | /* Version that does not use link. */ | |
475 | ||
476 | int | |
9dfe12ae | 477 | __gnat_try_lock (char *dir, char *file) |
1fac938e | 478 | { |
1fac938e | 479 | int fd; |
3b18b370 | 480 | #ifdef __MINGW32__ |
481 | TCHAR wfull_path[GNAT_MAX_PATH_LEN]; | |
482 | TCHAR wfile[GNAT_MAX_PATH_LEN]; | |
483 | TCHAR wdir[GNAT_MAX_PATH_LEN]; | |
484 | ||
1e622f0e | 485 | S2WSU (wdir, dir, GNAT_MAX_PATH_LEN); |
486 | S2WSU (wfile, file, GNAT_MAX_PATH_LEN); | |
3b18b370 | 487 | |
488 | _stprintf (wfull_path, _T("%s%c%s"), wdir, _T(DIR_SEPARATOR), wfile); | |
489 | fd = _topen (wfull_path, O_CREAT | O_EXCL, 0600); | |
490 | #else | |
491 | char full_path[256]; | |
1fac938e | 492 | |
493 | sprintf (full_path, "%s%c%s", dir, DIR_SEPARATOR, file); | |
494 | fd = open (full_path, O_CREAT | O_EXCL, 0600); | |
3b18b370 | 495 | #endif |
496 | ||
f15731c4 | 497 | if (fd < 0) |
1fac938e | 498 | return 0; |
f15731c4 | 499 | |
1fac938e | 500 | close (fd); |
501 | return 1; | |
502 | } | |
503 | ||
504 | #elif defined (__EMX__) || defined (VMS) | |
505 | ||
506 | /* More cases that do not use link; identical code, to solve too long | |
507 | line problem ??? */ | |
508 | ||
509 | int | |
9dfe12ae | 510 | __gnat_try_lock (char *dir, char *file) |
1fac938e | 511 | { |
f15731c4 | 512 | char full_path[256]; |
1fac938e | 513 | int fd; |
514 | ||
515 | sprintf (full_path, "%s%c%s", dir, DIR_SEPARATOR, file); | |
516 | fd = open (full_path, O_CREAT | O_EXCL, 0600); | |
3b18b370 | 517 | |
1fac938e | 518 | if (fd < 0) |
519 | return 0; | |
520 | ||
521 | close (fd); | |
522 | return 1; | |
523 | } | |
524 | ||
525 | #else | |
f15731c4 | 526 | |
1fac938e | 527 | /* Version using link(), more secure over NFS. */ |
9dfe12ae | 528 | /* See TN 6913-016 for discussion ??? */ |
1fac938e | 529 | |
530 | int | |
9dfe12ae | 531 | __gnat_try_lock (char *dir, char *file) |
1fac938e | 532 | { |
f15731c4 | 533 | char full_path[256]; |
534 | char temp_file[256]; | |
1fac938e | 535 | struct stat stat_result; |
536 | int fd; | |
537 | ||
538 | sprintf (full_path, "%s%c%s", dir, DIR_SEPARATOR, file); | |
4a3f445c | 539 | sprintf (temp_file, "%s%cTMP-%ld-%ld", |
540 | dir, DIR_SEPARATOR, (long)getpid(), (long)getppid ()); | |
1fac938e | 541 | |
f15731c4 | 542 | /* Create the temporary file and write the process number. */ |
1fac938e | 543 | fd = open (temp_file, O_CREAT | O_WRONLY, 0600); |
544 | if (fd < 0) | |
545 | return 0; | |
546 | ||
547 | close (fd); | |
548 | ||
f15731c4 | 549 | /* Link it with the new file. */ |
1fac938e | 550 | link (temp_file, full_path); |
551 | ||
552 | /* Count the references on the old one. If we have a count of two, then | |
f15731c4 | 553 | the link did succeed. Remove the temporary file before returning. */ |
1fac938e | 554 | __gnat_stat (temp_file, &stat_result); |
555 | unlink (temp_file); | |
556 | return stat_result.st_nlink == 2; | |
557 | } | |
558 | #endif | |
559 | ||
560 | /* Return the maximum file name length. */ | |
561 | ||
562 | int | |
6f2c2693 | 563 | __gnat_get_maximum_file_name_length (void) |
1fac938e | 564 | { |
f15731c4 | 565 | #if defined (MSDOS) |
1fac938e | 566 | return 8; |
567 | #elif defined (VMS) | |
568 | if (getenv ("GNAT$EXTENDED_FILE_SPECIFICATIONS")) | |
569 | return -1; | |
570 | else | |
571 | return 39; | |
572 | #else | |
573 | return -1; | |
574 | #endif | |
575 | } | |
576 | ||
1fac938e | 577 | /* Return nonzero if file names are case sensitive. */ |
578 | ||
579 | int | |
6f2c2693 | 580 | __gnat_get_file_names_case_sensitive (void) |
1fac938e | 581 | { |
f15731c4 | 582 | #if defined (__EMX__) || defined (MSDOS) || defined (VMS) || defined (WINNT) |
1fac938e | 583 | return 0; |
584 | #else | |
585 | return 1; | |
586 | #endif | |
587 | } | |
588 | ||
589 | char | |
6f2c2693 | 590 | __gnat_get_default_identifier_character_set (void) |
1fac938e | 591 | { |
592 | #if defined (__EMX__) || defined (MSDOS) | |
593 | return 'p'; | |
594 | #else | |
595 | return '1'; | |
596 | #endif | |
597 | } | |
598 | ||
f15731c4 | 599 | /* Return the current working directory. */ |
1fac938e | 600 | |
601 | void | |
9dfe12ae | 602 | __gnat_get_current_dir (char *dir, int *length) |
1fac938e | 603 | { |
3b18b370 | 604 | #if defined (__MINGW32__) |
605 | TCHAR wdir[GNAT_MAX_PATH_LEN]; | |
606 | ||
607 | _tgetcwd (wdir, *length); | |
608 | ||
1e622f0e | 609 | WS2SU (dir, wdir, GNAT_MAX_PATH_LEN); |
3b18b370 | 610 | |
611 | #elif defined (VMS) | |
1fac938e | 612 | /* Force Unix style, which is what GNAT uses internally. */ |
613 | getcwd (dir, *length, 0); | |
614 | #else | |
615 | getcwd (dir, *length); | |
616 | #endif | |
617 | ||
618 | *length = strlen (dir); | |
619 | ||
9dfe12ae | 620 | if (dir [*length - 1] != DIR_SEPARATOR) |
621 | { | |
622 | dir [*length] = DIR_SEPARATOR; | |
623 | ++(*length); | |
624 | } | |
f15731c4 | 625 | dir[*length] = '\0'; |
1fac938e | 626 | } |
627 | ||
f15731c4 | 628 | /* Return the suffix for object files. */ |
1fac938e | 629 | |
630 | void | |
9dfe12ae | 631 | __gnat_get_object_suffix_ptr (int *len, const char **value) |
1fac938e | 632 | { |
633 | *value = HOST_OBJECT_SUFFIX; | |
634 | ||
635 | if (*value == 0) | |
636 | *len = 0; | |
637 | else | |
638 | *len = strlen (*value); | |
639 | ||
640 | return; | |
641 | } | |
642 | ||
f15731c4 | 643 | /* Return the suffix for executable files. */ |
1fac938e | 644 | |
645 | void | |
9dfe12ae | 646 | __gnat_get_executable_suffix_ptr (int *len, const char **value) |
1fac938e | 647 | { |
648 | *value = HOST_EXECUTABLE_SUFFIX; | |
649 | if (!*value) | |
650 | *len = 0; | |
651 | else | |
652 | *len = strlen (*value); | |
653 | ||
654 | return; | |
655 | } | |
656 | ||
657 | /* Return the suffix for debuggable files. Usually this is the same as the | |
f15731c4 | 658 | executable extension. */ |
1fac938e | 659 | |
660 | void | |
9dfe12ae | 661 | __gnat_get_debuggable_suffix_ptr (int *len, const char **value) |
1fac938e | 662 | { |
663 | #ifndef MSDOS | |
664 | *value = HOST_EXECUTABLE_SUFFIX; | |
665 | #else | |
f15731c4 | 666 | /* On DOS, the extensionless COFF file is what gdb likes. */ |
1fac938e | 667 | *value = ""; |
668 | #endif | |
669 | ||
670 | if (*value == 0) | |
671 | *len = 0; | |
672 | else | |
673 | *len = strlen (*value); | |
674 | ||
675 | return; | |
676 | } | |
677 | ||
1aa4b9ce | 678 | /* Returns the OS filename and corresponding encoding. */ |
679 | ||
680 | void | |
c62e34a4 | 681 | __gnat_os_filename (char *filename, char *w_filename ATTRIBUTE_UNUSED, |
1aa4b9ce | 682 | char *os_name, int *o_length, |
c62e34a4 | 683 | char *encoding ATTRIBUTE_UNUSED, int *e_length) |
1aa4b9ce | 684 | { |
685 | #if defined (_WIN32) && ! defined (__vxworks) && ! defined (CROSS_DIRECTORY_STRUCTURE) | |
686 | WS2SU (os_name, (TCHAR *)w_filename, o_length); | |
687 | *o_length = strlen (os_name); | |
688 | strcpy (encoding, "encoding=utf8"); | |
689 | *e_length = strlen (encoding); | |
690 | #else | |
691 | strcpy (os_name, filename); | |
692 | *o_length = strlen (filename); | |
693 | *e_length = 0; | |
694 | #endif | |
695 | } | |
696 | ||
e2c62f37 | 697 | FILE * |
c62e34a4 | 698 | __gnat_fopen (char *path, char *mode, int encoding ATTRIBUTE_UNUSED) |
e2c62f37 | 699 | { |
29d774d0 | 700 | #if defined (_WIN32) && ! defined (__vxworks) && ! defined (CROSS_DIRECTORY_STRUCTURE) |
e2c62f37 | 701 | TCHAR wpath[GNAT_MAX_PATH_LEN]; |
702 | TCHAR wmode[10]; | |
703 | ||
e2c62f37 | 704 | S2WS (wmode, mode, 10); |
1e622f0e | 705 | |
706 | if (encoding == Encoding_UTF8) | |
707 | S2WSU (wpath, path, GNAT_MAX_PATH_LEN); | |
708 | else | |
709 | S2WS (wpath, path, GNAT_MAX_PATH_LEN); | |
710 | ||
e2c62f37 | 711 | return _tfopen (wpath, wmode); |
1e622f0e | 712 | #elif defined (VMS) |
713 | return decc$fopen (path, mode); | |
e2c62f37 | 714 | #else |
715 | return fopen (path, mode); | |
716 | #endif | |
717 | } | |
718 | ||
e2c62f37 | 719 | FILE * |
c62e34a4 | 720 | __gnat_freopen (char *path, char *mode, FILE *stream, int encoding ATTRIBUTE_UNUSED) |
e2c62f37 | 721 | { |
29d774d0 | 722 | #if defined (_WIN32) && ! defined (__vxworks) && ! defined (CROSS_DIRECTORY_STRUCTURE) |
e2c62f37 | 723 | TCHAR wpath[GNAT_MAX_PATH_LEN]; |
724 | TCHAR wmode[10]; | |
725 | ||
e2c62f37 | 726 | S2WS (wmode, mode, 10); |
1e622f0e | 727 | |
728 | if (encoding == Encoding_UTF8) | |
729 | S2WSU (wpath, path, GNAT_MAX_PATH_LEN); | |
730 | else | |
731 | S2WS (wpath, path, GNAT_MAX_PATH_LEN); | |
732 | ||
e2c62f37 | 733 | return _tfreopen (wpath, wmode, stream); |
1e622f0e | 734 | #elif defined (VMS) |
735 | return decc$freopen (path, mode, stream); | |
e2c62f37 | 736 | #else |
737 | return freopen (path, mode, stream); | |
738 | #endif | |
739 | } | |
740 | ||
1fac938e | 741 | int |
9dfe12ae | 742 | __gnat_open_read (char *path, int fmode) |
1fac938e | 743 | { |
744 | int fd; | |
745 | int o_fmode = O_BINARY; | |
746 | ||
747 | if (fmode) | |
748 | o_fmode = O_TEXT; | |
749 | ||
f15731c4 | 750 | #if defined (VMS) |
751 | /* Optional arguments mbc,deq,fop increase read performance. */ | |
1fac938e | 752 | fd = open (path, O_RDONLY | o_fmode, 0444, |
753 | "mbc=16", "deq=64", "fop=tef"); | |
f15731c4 | 754 | #elif defined (__vxworks) |
1fac938e | 755 | fd = open (path, O_RDONLY | o_fmode, 0444); |
3b18b370 | 756 | #elif defined (__MINGW32__) |
757 | { | |
758 | TCHAR wpath[GNAT_MAX_PATH_LEN]; | |
759 | ||
1e622f0e | 760 | S2WSU (wpath, path, GNAT_MAX_PATH_LEN); |
3b18b370 | 761 | fd = _topen (wpath, O_RDONLY | o_fmode, 0444); |
762 | } | |
1fac938e | 763 | #else |
764 | fd = open (path, O_RDONLY | o_fmode); | |
765 | #endif | |
f15731c4 | 766 | |
1fac938e | 767 | return fd < 0 ? -1 : fd; |
768 | } | |
769 | ||
9dfe12ae | 770 | #if defined (__EMX__) || defined (__MINGW32__) |
1fac938e | 771 | #define PERM (S_IREAD | S_IWRITE) |
9dfe12ae | 772 | #elif defined (VMS) |
773 | /* Excerpt from DECC C RTL Reference Manual: | |
774 | To create files with OpenVMS RMS default protections using the UNIX | |
775 | system-call functions umask, mkdir, creat, and open, call mkdir, creat, | |
776 | and open with a file-protection mode argument of 0777 in a program | |
777 | that never specifically calls umask. These default protections include | |
778 | correctly establishing protections based on ACLs, previous versions of | |
779 | files, and so on. */ | |
780 | #define PERM 0777 | |
1fac938e | 781 | #else |
782 | #define PERM (S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH | S_IWOTH) | |
783 | #endif | |
784 | ||
785 | int | |
9dfe12ae | 786 | __gnat_open_rw (char *path, int fmode) |
1fac938e | 787 | { |
788 | int fd; | |
789 | int o_fmode = O_BINARY; | |
790 | ||
791 | if (fmode) | |
792 | o_fmode = O_TEXT; | |
793 | ||
f15731c4 | 794 | #if defined (VMS) |
1fac938e | 795 | fd = open (path, O_RDWR | o_fmode, PERM, |
796 | "mbc=16", "deq=64", "fop=tef"); | |
3b18b370 | 797 | #elif defined (__MINGW32__) |
798 | { | |
799 | TCHAR wpath[GNAT_MAX_PATH_LEN]; | |
800 | ||
1e622f0e | 801 | S2WSU (wpath, path, GNAT_MAX_PATH_LEN); |
3b18b370 | 802 | fd = _topen (wpath, O_RDWR | o_fmode, PERM); |
803 | } | |
1fac938e | 804 | #else |
805 | fd = open (path, O_RDWR | o_fmode, PERM); | |
806 | #endif | |
807 | ||
808 | return fd < 0 ? -1 : fd; | |
809 | } | |
810 | ||
811 | int | |
9dfe12ae | 812 | __gnat_open_create (char *path, int fmode) |
1fac938e | 813 | { |
814 | int fd; | |
815 | int o_fmode = O_BINARY; | |
816 | ||
817 | if (fmode) | |
818 | o_fmode = O_TEXT; | |
819 | ||
f15731c4 | 820 | #if defined (VMS) |
1fac938e | 821 | fd = open (path, O_WRONLY | O_CREAT | O_TRUNC | o_fmode, PERM, |
822 | "mbc=16", "deq=64", "fop=tef"); | |
3b18b370 | 823 | #elif defined (__MINGW32__) |
824 | { | |
825 | TCHAR wpath[GNAT_MAX_PATH_LEN]; | |
826 | ||
1e622f0e | 827 | S2WSU (wpath, path, GNAT_MAX_PATH_LEN); |
3b18b370 | 828 | fd = _topen (wpath, O_WRONLY | O_CREAT | O_TRUNC | o_fmode, PERM); |
829 | } | |
1fac938e | 830 | #else |
831 | fd = open (path, O_WRONLY | O_CREAT | O_TRUNC | o_fmode, PERM); | |
832 | #endif | |
833 | ||
834 | return fd < 0 ? -1 : fd; | |
28ed91d4 | 835 | } |
836 | ||
837 | int | |
838 | __gnat_create_output_file (char *path) | |
839 | { | |
840 | int fd; | |
841 | #if defined (VMS) | |
842 | fd = open (path, O_WRONLY | O_CREAT | O_TRUNC | O_TEXT, PERM, | |
843 | "rfm=stmlf", "ctx=rec", "rat=none", "rop=nlk", | |
844 | "shr=del,get,put,upd"); | |
3b18b370 | 845 | #elif defined (__MINGW32__) |
846 | { | |
847 | TCHAR wpath[GNAT_MAX_PATH_LEN]; | |
848 | ||
1e622f0e | 849 | S2WSU (wpath, path, GNAT_MAX_PATH_LEN); |
3b18b370 | 850 | fd = _topen (wpath, O_WRONLY | O_CREAT | O_TRUNC | O_TEXT, PERM); |
851 | } | |
28ed91d4 | 852 | #else |
853 | fd = open (path, O_WRONLY | O_CREAT | O_TRUNC | O_TEXT, PERM); | |
854 | #endif | |
855 | ||
856 | return fd < 0 ? -1 : fd; | |
1fac938e | 857 | } |
858 | ||
859 | int | |
9dfe12ae | 860 | __gnat_open_append (char *path, int fmode) |
1fac938e | 861 | { |
862 | int fd; | |
863 | int o_fmode = O_BINARY; | |
864 | ||
865 | if (fmode) | |
866 | o_fmode = O_TEXT; | |
867 | ||
f15731c4 | 868 | #if defined (VMS) |
1fac938e | 869 | fd = open (path, O_WRONLY | O_CREAT | O_APPEND | o_fmode, PERM, |
870 | "mbc=16", "deq=64", "fop=tef"); | |
3b18b370 | 871 | #elif defined (__MINGW32__) |
872 | { | |
873 | TCHAR wpath[GNAT_MAX_PATH_LEN]; | |
874 | ||
1e622f0e | 875 | S2WSU (wpath, path, GNAT_MAX_PATH_LEN); |
3b18b370 | 876 | fd = _topen (wpath, O_WRONLY | O_CREAT | O_APPEND | o_fmode, PERM); |
877 | } | |
1fac938e | 878 | #else |
879 | fd = open (path, O_WRONLY | O_CREAT | O_APPEND | o_fmode, PERM); | |
880 | #endif | |
881 | ||
882 | return fd < 0 ? -1 : fd; | |
883 | } | |
884 | ||
f15731c4 | 885 | /* Open a new file. Return error (-1) if the file already exists. */ |
1fac938e | 886 | |
887 | int | |
9dfe12ae | 888 | __gnat_open_new (char *path, int fmode) |
1fac938e | 889 | { |
890 | int fd; | |
891 | int o_fmode = O_BINARY; | |
892 | ||
893 | if (fmode) | |
894 | o_fmode = O_TEXT; | |
895 | ||
f15731c4 | 896 | #if defined (VMS) |
1fac938e | 897 | fd = open (path, O_WRONLY | O_CREAT | O_EXCL | o_fmode, PERM, |
898 | "mbc=16", "deq=64", "fop=tef"); | |
3b18b370 | 899 | #elif defined (__MINGW32__) |
900 | { | |
901 | TCHAR wpath[GNAT_MAX_PATH_LEN]; | |
902 | ||
1e622f0e | 903 | S2WSU (wpath, path, GNAT_MAX_PATH_LEN); |
3b18b370 | 904 | fd = _topen (wpath, O_WRONLY | O_CREAT | O_EXCL | o_fmode, PERM); |
905 | } | |
1fac938e | 906 | #else |
907 | fd = open (path, O_WRONLY | O_CREAT | O_EXCL | o_fmode, PERM); | |
908 | #endif | |
909 | ||
910 | return fd < 0 ? -1 : fd; | |
911 | } | |
912 | ||
913 | /* Open a new temp file. Return error (-1) if the file already exists. | |
f15731c4 | 914 | Special options for VMS allow the file to be shared between parent and child |
915 | processes, however they really slow down output. Used in gnatchop. */ | |
1fac938e | 916 | |
917 | int | |
9dfe12ae | 918 | __gnat_open_new_temp (char *path, int fmode) |
1fac938e | 919 | { |
920 | int fd; | |
921 | int o_fmode = O_BINARY; | |
922 | ||
923 | strcpy (path, "GNAT-XXXXXX"); | |
924 | ||
e0324ff5 | 925 | #if (defined (__FreeBSD__) || defined (__NetBSD__) || defined (__OpenBSD__) \ |
9d093602 | 926 | || defined (linux) || defined(__GLIBC__)) && !defined (__vxworks) |
1fac938e | 927 | return mkstemp (path); |
159eb63c | 928 | #elif defined (__Lynx__) |
929 | mktemp (path); | |
5091bc2f | 930 | #elif defined (__nucleus__) |
931 | return -1; | |
1fac938e | 932 | #else |
933 | if (mktemp (path) == NULL) | |
934 | return -1; | |
935 | #endif | |
936 | ||
937 | if (fmode) | |
938 | o_fmode = O_TEXT; | |
939 | ||
f15731c4 | 940 | #if defined (VMS) |
1fac938e | 941 | fd = open (path, O_WRONLY | O_CREAT | O_EXCL | o_fmode, PERM, |
942 | "rfm=stmlf", "ctx=rec", "rat=none", "shr=del,get,put,upd", | |
943 | "mbc=16", "deq=64", "fop=tef"); | |
944 | #else | |
945 | fd = open (path, O_WRONLY | O_CREAT | O_EXCL | o_fmode, PERM); | |
946 | #endif | |
947 | ||
948 | return fd < 0 ? -1 : fd; | |
949 | } | |
950 | ||
f15731c4 | 951 | /* Return the number of bytes in the specified file. */ |
1fac938e | 952 | |
953 | long | |
9dfe12ae | 954 | __gnat_file_length (int fd) |
1fac938e | 955 | { |
956 | int ret; | |
957 | struct stat statbuf; | |
958 | ||
959 | ret = fstat (fd, &statbuf); | |
960 | if (ret || !S_ISREG (statbuf.st_mode)) | |
961 | return 0; | |
962 | ||
963 | return (statbuf.st_size); | |
964 | } | |
965 | ||
d24d7e81 | 966 | /* Return the number of bytes in the specified named file. */ |
967 | ||
968 | long | |
969 | __gnat_named_file_length (char *name) | |
970 | { | |
971 | int ret; | |
972 | struct stat statbuf; | |
973 | ||
974 | ret = __gnat_stat (name, &statbuf); | |
975 | if (ret || !S_ISREG (statbuf.st_mode)) | |
976 | return 0; | |
977 | ||
978 | return (statbuf.st_size); | |
979 | } | |
980 | ||
1fac938e | 981 | /* Create a temporary filename and put it in string pointed to by |
f15731c4 | 982 | TMP_FILENAME. */ |
1fac938e | 983 | |
984 | void | |
9dfe12ae | 985 | __gnat_tmp_name (char *tmp_filename) |
1fac938e | 986 | { |
72772d89 | 987 | #ifdef RTX |
f5099270 | 988 | /* Variable used to create a series of unique names */ |
989 | static int counter = 0; | |
990 | ||
991 | /* RTX in RTSS mode does not support tempnam nor tmpnam so we emulate it */ | |
992 | strcpy (tmp_filename, "c:\\WINDOWS\\Temp\\gnat-"); | |
993 | sprintf (&tmp_filename[strlen (tmp_filename)], "%d\0", counter++); | |
72772d89 | 994 | |
995 | #elif defined (__MINGW32__) | |
1fac938e | 996 | { |
997 | char *pname; | |
998 | ||
999 | /* tempnam tries to create a temporary file in directory pointed to by | |
1000 | TMP environment variable, in c:\temp if TMP is not set, and in | |
1001 | directory specified by P_tmpdir in stdio.h if c:\temp does not | |
1002 | exist. The filename will be created with the prefix "gnat-". */ | |
1003 | ||
1004 | pname = (char *) tempnam ("c:\\temp", "gnat-"); | |
1005 | ||
9dfe12ae | 1006 | /* if pname is NULL, the file was not created properly, the disk is full |
1007 | or there is no more free temporary files */ | |
1008 | ||
1009 | if (pname == NULL) | |
1010 | *tmp_filename = '\0'; | |
1011 | ||
f15731c4 | 1012 | /* If pname start with a back slash and not path information it means that |
1013 | the filename is valid for the current working directory. */ | |
1fac938e | 1014 | |
9dfe12ae | 1015 | else if (pname[0] == '\\') |
1fac938e | 1016 | { |
1017 | strcpy (tmp_filename, ".\\"); | |
1018 | strcat (tmp_filename, pname+1); | |
1019 | } | |
1020 | else | |
1021 | strcpy (tmp_filename, pname); | |
1022 | ||
1023 | free (pname); | |
1024 | } | |
f15731c4 | 1025 | |
e0324ff5 | 1026 | #elif defined (linux) || defined (__FreeBSD__) || defined (__NetBSD__) \ |
9d093602 | 1027 | || defined (__OpenBSD__) || defined(__GLIBC__) |
9dfe12ae | 1028 | #define MAX_SAFE_PATH 1000 |
1fac938e | 1029 | char *tmpdir = getenv ("TMPDIR"); |
1030 | ||
9dfe12ae | 1031 | /* If tmpdir is longer than MAX_SAFE_PATH, revert to default value to avoid |
1032 | a buffer overflow. */ | |
1033 | if (tmpdir == NULL || strlen (tmpdir) > MAX_SAFE_PATH) | |
1fac938e | 1034 | strcpy (tmp_filename, "/tmp/gnat-XXXXXX"); |
1035 | else | |
9dfe12ae | 1036 | sprintf (tmp_filename, "%s/gnat-XXXXXX", tmpdir); |
1fac938e | 1037 | |
1038 | close (mkstemp(tmp_filename)); | |
1039 | #else | |
1040 | tmpnam (tmp_filename); | |
1041 | #endif | |
1042 | } | |
1043 | ||
3b18b370 | 1044 | /* Open directory and returns a DIR pointer. */ |
1045 | ||
1046 | DIR* __gnat_opendir (char *name) | |
1047 | { | |
e2a33c18 | 1048 | #if defined (RTX) |
1049 | /* Not supported in RTX */ | |
1050 | ||
1051 | return NULL; | |
1052 | ||
1053 | #elif defined (__MINGW32__) | |
3b18b370 | 1054 | TCHAR wname[GNAT_MAX_PATH_LEN]; |
1055 | ||
1e622f0e | 1056 | S2WSU (wname, name, GNAT_MAX_PATH_LEN); |
3b18b370 | 1057 | return (DIR*)_topendir (wname); |
1058 | ||
1059 | #else | |
1060 | return opendir (name); | |
1061 | #endif | |
1062 | } | |
1063 | ||
1fac938e | 1064 | /* Read the next entry in a directory. The returned string points somewhere |
1065 | in the buffer. */ | |
1066 | ||
1067 | char * | |
3b18b370 | 1068 | __gnat_readdir (DIR *dirp, char *buffer, int *len) |
1fac938e | 1069 | { |
e2a33c18 | 1070 | #if defined (RTX) |
1071 | /* Not supported in RTX */ | |
1072 | ||
1073 | return NULL; | |
8e726ab4 | 1074 | |
e2a33c18 | 1075 | #elif defined (__MINGW32__) |
3b18b370 | 1076 | struct _tdirent *dirent = _treaddir ((_TDIR*)dirp); |
1077 | ||
1078 | if (dirent != NULL) | |
1079 | { | |
1e622f0e | 1080 | WS2SU (buffer, dirent->d_name, GNAT_MAX_PATH_LEN); |
3b18b370 | 1081 | *len = strlen (buffer); |
1082 | ||
1083 | return buffer; | |
1084 | } | |
1085 | else | |
1086 | return NULL; | |
1087 | ||
1088 | #elif defined (HAVE_READDIR_R) | |
1fac938e | 1089 | /* If possible, try to use the thread-safe version. */ |
1fac938e | 1090 | if (readdir_r (dirp, buffer) != NULL) |
1aa4b9ce | 1091 | { |
1092 | *len = strlen (((struct dirent*) buffer)->d_name); | |
1093 | return ((struct dirent*) buffer)->d_name; | |
1094 | } | |
1fac938e | 1095 | else |
1096 | return NULL; | |
1097 | ||
1098 | #else | |
5b941af6 | 1099 | struct dirent *dirent = (struct dirent *) readdir (dirp); |
1fac938e | 1100 | |
1101 | if (dirent != NULL) | |
1102 | { | |
1103 | strcpy (buffer, dirent->d_name); | |
3b18b370 | 1104 | *len = strlen (buffer); |
1fac938e | 1105 | return buffer; |
1106 | } | |
1107 | else | |
1108 | return NULL; | |
1109 | ||
1110 | #endif | |
1111 | } | |
1112 | ||
3b18b370 | 1113 | /* Close a directory entry. */ |
1114 | ||
1115 | int __gnat_closedir (DIR *dirp) | |
1116 | { | |
e2a33c18 | 1117 | #if defined (RTX) |
1118 | /* Not supported in RTX */ | |
1119 | ||
1120 | return 0; | |
1121 | ||
1122 | #elif defined (__MINGW32__) | |
3b18b370 | 1123 | return _tclosedir ((_TDIR*)dirp); |
1124 | ||
1125 | #else | |
1126 | return closedir (dirp); | |
1127 | #endif | |
1128 | } | |
1129 | ||
1fac938e | 1130 | /* Returns 1 if readdir is thread safe, 0 otherwise. */ |
1131 | ||
1132 | int | |
6f2c2693 | 1133 | __gnat_readdir_is_thread_safe (void) |
1fac938e | 1134 | { |
1135 | #ifdef HAVE_READDIR_R | |
1136 | return 1; | |
1137 | #else | |
1138 | return 0; | |
1139 | #endif | |
1140 | } | |
1141 | ||
e2a33c18 | 1142 | #if defined (_WIN32) && !defined (RTX) |
982e2721 | 1143 | /* Number of seconds between <Jan 1st 1601> and <Jan 1st 1970>. */ |
1144 | static const unsigned long long w32_epoch_offset = 11644473600ULL; | |
1fac938e | 1145 | |
1146 | /* Returns the file modification timestamp using Win32 routines which are | |
1147 | immune against daylight saving time change. It is in fact not possible to | |
1148 | use fstat for this purpose as the DST modify the st_mtime field of the | |
1149 | stat structure. */ | |
1150 | ||
1151 | static time_t | |
9dfe12ae | 1152 | win32_filetime (HANDLE h) |
1fac938e | 1153 | { |
982e2721 | 1154 | union |
1155 | { | |
1156 | FILETIME ft_time; | |
1157 | unsigned long long ull_time; | |
1158 | } t_write; | |
1fac938e | 1159 | |
1160 | /* GetFileTime returns FILETIME data which are the number of 100 nanosecs | |
1161 | since <Jan 1st 1601>. This function must return the number of seconds | |
1162 | since <Jan 1st 1970>. */ | |
1163 | ||
982e2721 | 1164 | if (GetFileTime (h, NULL, NULL, &t_write.ft_time)) |
3b18b370 | 1165 | return (time_t) (t_write.ull_time / 10000000ULL - w32_epoch_offset); |
982e2721 | 1166 | return (time_t) 0; |
1fac938e | 1167 | } |
1168 | #endif | |
1169 | ||
1170 | /* Return a GNAT time stamp given a file name. */ | |
1171 | ||
1bbc9831 | 1172 | OS_Time |
9dfe12ae | 1173 | __gnat_file_time_name (char *name) |
1fac938e | 1174 | { |
1fac938e | 1175 | |
1176 | #if defined (__EMX__) || defined (MSDOS) | |
1177 | int fd = open (name, O_RDONLY | O_BINARY); | |
1178 | time_t ret = __gnat_file_time_fd (fd); | |
1179 | close (fd); | |
1bbc9831 | 1180 | return (OS_Time)ret; |
1fac938e | 1181 | |
e2a33c18 | 1182 | #elif defined (_WIN32) && !defined (RTX) |
e2c62f37 | 1183 | time_t ret = -1; |
3b18b370 | 1184 | TCHAR wname[GNAT_MAX_PATH_LEN]; |
1185 | ||
1e622f0e | 1186 | S2WSU (wname, name, GNAT_MAX_PATH_LEN); |
3b18b370 | 1187 | |
1188 | HANDLE h = CreateFile | |
1189 | (wname, GENERIC_READ, FILE_SHARE_READ, 0, | |
1190 | OPEN_EXISTING, FILE_FLAG_BACKUP_SEMANTICS, 0); | |
fabb7dc5 | 1191 | |
982e2721 | 1192 | if (h != INVALID_HANDLE_VALUE) |
1193 | { | |
1194 | ret = win32_filetime (h); | |
1195 | CloseHandle (h); | |
1196 | } | |
1bbc9831 | 1197 | return (OS_Time) ret; |
1fac938e | 1198 | #else |
f0a28ccb | 1199 | struct stat statbuf; |
1bbc9831 | 1200 | if (__gnat_stat (name, &statbuf) != 0) { |
1201 | return (OS_Time)-1; | |
1202 | } else { | |
1fac938e | 1203 | #ifdef VMS |
1bbc9831 | 1204 | /* VMS has file versioning. */ |
1205 | return (OS_Time)statbuf.st_ctime; | |
1fac938e | 1206 | #else |
1bbc9831 | 1207 | return (OS_Time)statbuf.st_mtime; |
1fac938e | 1208 | #endif |
1bbc9831 | 1209 | } |
1fac938e | 1210 | #endif |
1211 | } | |
1212 | ||
1213 | /* Return a GNAT time stamp given a file descriptor. */ | |
1214 | ||
1bbc9831 | 1215 | OS_Time |
9dfe12ae | 1216 | __gnat_file_time_fd (int fd) |
1fac938e | 1217 | { |
1218 | /* The following workaround code is due to the fact that under EMX and | |
1219 | DJGPP fstat attempts to convert time values to GMT rather than keep the | |
1220 | actual OS timestamp of the file. By using the OS2/DOS functions directly | |
1221 | the GNAT timestamp are independent of this behavior, which is desired to | |
f15731c4 | 1222 | facilitate the distribution of GNAT compiled libraries. */ |
1fac938e | 1223 | |
1224 | #if defined (__EMX__) || defined (MSDOS) | |
1225 | #ifdef __EMX__ | |
1226 | ||
1227 | FILESTATUS fs; | |
1228 | int ret = DosQueryFileInfo (fd, 1, (unsigned char *) &fs, | |
1229 | sizeof (FILESTATUS)); | |
1230 | ||
1231 | unsigned file_year = fs.fdateLastWrite.year; | |
1232 | unsigned file_month = fs.fdateLastWrite.month; | |
1233 | unsigned file_day = fs.fdateLastWrite.day; | |
1234 | unsigned file_hour = fs.ftimeLastWrite.hours; | |
1235 | unsigned file_min = fs.ftimeLastWrite.minutes; | |
1236 | unsigned file_tsec = fs.ftimeLastWrite.twosecs; | |
1237 | ||
1238 | #else | |
1239 | struct ftime fs; | |
1240 | int ret = getftime (fd, &fs); | |
1241 | ||
1242 | unsigned file_year = fs.ft_year; | |
1243 | unsigned file_month = fs.ft_month; | |
1244 | unsigned file_day = fs.ft_day; | |
1245 | unsigned file_hour = fs.ft_hour; | |
1246 | unsigned file_min = fs.ft_min; | |
1247 | unsigned file_tsec = fs.ft_tsec; | |
1248 | #endif | |
1249 | ||
1250 | /* Calculate the seconds since epoch from the time components. First count | |
1251 | the whole days passed. The value for years returned by the DOS and OS2 | |
1252 | functions count years from 1980, so to compensate for the UNIX epoch which | |
1253 | begins in 1970 start with 10 years worth of days and add days for each | |
f15731c4 | 1254 | four year period since then. */ |
1fac938e | 1255 | |
1256 | time_t tot_secs; | |
f15731c4 | 1257 | int cum_days[12] = {0, 31, 59, 90, 120, 151, 181, 212, 243, 273, 304, 334}; |
1fac938e | 1258 | int days_passed = 3652 + (file_year / 4) * 1461; |
1259 | int years_since_leap = file_year % 4; | |
1260 | ||
1261 | if (years_since_leap == 1) | |
1262 | days_passed += 366; | |
1263 | else if (years_since_leap == 2) | |
1264 | days_passed += 731; | |
1265 | else if (years_since_leap == 3) | |
1266 | days_passed += 1096; | |
1267 | ||
1268 | if (file_year > 20) | |
1269 | days_passed -= 1; | |
1270 | ||
f15731c4 | 1271 | days_passed += cum_days[file_month - 1]; |
1fac938e | 1272 | if (years_since_leap == 0 && file_year != 20 && file_month > 2) |
1273 | days_passed++; | |
1274 | ||
1275 | days_passed += file_day - 1; | |
1276 | ||
f15731c4 | 1277 | /* OK - have whole days. Multiply -- then add in other parts. */ |
1fac938e | 1278 | |
1279 | tot_secs = days_passed * 86400; | |
1280 | tot_secs += file_hour * 3600; | |
1281 | tot_secs += file_min * 60; | |
1282 | tot_secs += file_tsec * 2; | |
1bbc9831 | 1283 | return (OS_Time) tot_secs; |
1fac938e | 1284 | |
e2a33c18 | 1285 | #elif defined (_WIN32) && !defined (RTX) |
1fac938e | 1286 | HANDLE h = (HANDLE) _get_osfhandle (fd); |
1287 | time_t ret = win32_filetime (h); | |
1bbc9831 | 1288 | return (OS_Time) ret; |
1fac938e | 1289 | |
1290 | #else | |
1291 | struct stat statbuf; | |
1292 | ||
1bbc9831 | 1293 | if (fstat (fd, &statbuf) != 0) { |
1294 | return (OS_Time) -1; | |
1295 | } else { | |
1fac938e | 1296 | #ifdef VMS |
1bbc9831 | 1297 | /* VMS has file versioning. */ |
1298 | return (OS_Time) statbuf.st_ctime; | |
1fac938e | 1299 | #else |
1bbc9831 | 1300 | return (OS_Time) statbuf.st_mtime; |
1fac938e | 1301 | #endif |
1bbc9831 | 1302 | } |
1fac938e | 1303 | #endif |
1304 | } | |
1305 | ||
f15731c4 | 1306 | /* Set the file time stamp. */ |
d8dd2062 | 1307 | |
1308 | void | |
9dfe12ae | 1309 | __gnat_set_file_time_name (char *name, time_t time_stamp) |
d8dd2062 | 1310 | { |
982e2721 | 1311 | #if defined (__EMX__) || defined (MSDOS) || defined (__vxworks) |
71a3e619 | 1312 | |
f15731c4 | 1313 | /* Code to implement __gnat_set_file_time_name for these systems. */ |
71a3e619 | 1314 | |
e2a33c18 | 1315 | #elif defined (_WIN32) && !defined (RTX) |
982e2721 | 1316 | union |
1317 | { | |
1318 | FILETIME ft_time; | |
1319 | unsigned long long ull_time; | |
1320 | } t_write; | |
3b18b370 | 1321 | TCHAR wname[GNAT_MAX_PATH_LEN]; |
fabb7dc5 | 1322 | |
1e622f0e | 1323 | S2WSU (wname, name, GNAT_MAX_PATH_LEN); |
3b18b370 | 1324 | |
1325 | HANDLE h = CreateFile | |
1326 | (wname, GENERIC_WRITE, FILE_SHARE_WRITE, NULL, | |
1327 | OPEN_EXISTING, FILE_FLAG_BACKUP_SEMANTICS, | |
1328 | NULL); | |
982e2721 | 1329 | if (h == INVALID_HANDLE_VALUE) |
1330 | return; | |
1331 | /* Add number of seconds between <Jan 1st 1601> and <Jan 1st 1970> */ | |
1332 | t_write.ull_time = ((unsigned long long)time_stamp + w32_epoch_offset); | |
1333 | /* Convert to 100 nanosecond units */ | |
1334 | t_write.ull_time *= 10000000ULL; | |
1335 | ||
1336 | SetFileTime(h, NULL, NULL, &t_write.ft_time); | |
1337 | CloseHandle (h); | |
1338 | return; | |
1339 | ||
d8dd2062 | 1340 | #elif defined (VMS) |
1341 | struct FAB fab; | |
1342 | struct NAM nam; | |
1343 | ||
1344 | struct | |
1345 | { | |
1346 | unsigned long long backup, create, expire, revise; | |
8620a406 | 1347 | unsigned int uic; |
d8dd2062 | 1348 | union |
1349 | { | |
1350 | unsigned short value; | |
1351 | struct | |
1352 | { | |
1353 | unsigned system : 4; | |
1354 | unsigned owner : 4; | |
1355 | unsigned group : 4; | |
1356 | unsigned world : 4; | |
1357 | } bits; | |
1358 | } prot; | |
f15731c4 | 1359 | } Fat = { 0, 0, 0, 0, 0, { 0 }}; |
d8dd2062 | 1360 | |
f15731c4 | 1361 | ATRDEF atrlst[] |
d8dd2062 | 1362 | = { |
1363 | { ATR$S_CREDATE, ATR$C_CREDATE, &Fat.create }, | |
1364 | { ATR$S_REVDATE, ATR$C_REVDATE, &Fat.revise }, | |
1365 | { ATR$S_EXPDATE, ATR$C_EXPDATE, &Fat.expire }, | |
1366 | { ATR$S_BAKDATE, ATR$C_BAKDATE, &Fat.backup }, | |
f15731c4 | 1367 | { ATR$S_FPRO, ATR$C_FPRO, &Fat.prot }, |
d8dd2062 | 1368 | { ATR$S_UIC, ATR$C_UIC, &Fat.uic }, |
1369 | { 0, 0, 0} | |
1370 | }; | |
1371 | ||
1372 | FIBDEF fib; | |
1373 | struct dsc$descriptor_fib fibdsc = {sizeof (fib), (void *) &fib}; | |
1374 | ||
1375 | struct IOSB iosb; | |
1376 | ||
1377 | unsigned long long newtime; | |
1378 | unsigned long long revtime; | |
1379 | long status; | |
1380 | short chan; | |
1381 | ||
1382 | struct vstring file; | |
1383 | struct dsc$descriptor_s filedsc | |
1384 | = {NAM$C_MAXRSS, DSC$K_DTYPE_T, DSC$K_CLASS_S, (void *) file.string}; | |
1385 | struct vstring device; | |
1386 | struct dsc$descriptor_s devicedsc | |
1387 | = {NAM$C_MAXRSS, DSC$K_DTYPE_T, DSC$K_CLASS_S, (void *) device.string}; | |
1388 | struct vstring timev; | |
1389 | struct dsc$descriptor_s timedsc | |
1390 | = {NAM$C_MAXRSS, DSC$K_DTYPE_T, DSC$K_CLASS_S, (void *) timev.string}; | |
1391 | struct vstring result; | |
1392 | struct dsc$descriptor_s resultdsc | |
1393 | = {NAM$C_MAXRSS, DSC$K_DTYPE_VT, DSC$K_CLASS_VS, (void *) result.string}; | |
1394 | ||
3b18b370 | 1395 | /* Convert parameter name (a file spec) to host file form. Note that this |
1396 | is needed on VMS to prepare for subsequent calls to VMS RMS library | |
1397 | routines. Note that it would not work to call __gnat_to_host_dir_spec | |
1398 | as was done in a previous version, since this fails silently unless | |
1399 | the feature logical DECC$EFS_CHARSET is enabled, in which case a DNF | |
1400 | (directory not found) condition is signalled. */ | |
1401 | tryfile = (char *) __gnat_to_host_file_spec (name); | |
d8dd2062 | 1402 | |
f15731c4 | 1403 | /* Allocate and initialize a FAB and NAM structures. */ |
d8dd2062 | 1404 | fab = cc$rms_fab; |
1405 | nam = cc$rms_nam; | |
1406 | ||
1407 | nam.nam$l_esa = file.string; | |
1408 | nam.nam$b_ess = NAM$C_MAXRSS; | |
1409 | nam.nam$l_rsa = result.string; | |
1410 | nam.nam$b_rss = NAM$C_MAXRSS; | |
1411 | fab.fab$l_fna = tryfile; | |
1412 | fab.fab$b_fns = strlen (tryfile); | |
1413 | fab.fab$l_nam = &nam; | |
1414 | ||
f15731c4 | 1415 | /* Validate filespec syntax and device existence. */ |
d8dd2062 | 1416 | status = SYS$PARSE (&fab, 0, 0); |
1417 | if ((status & 1) != 1) | |
1418 | LIB$SIGNAL (status); | |
1419 | ||
f15731c4 | 1420 | file.string[nam.nam$b_esl] = 0; |
d8dd2062 | 1421 | |
f15731c4 | 1422 | /* Find matching filespec. */ |
d8dd2062 | 1423 | status = SYS$SEARCH (&fab, 0, 0); |
1424 | if ((status & 1) != 1) | |
1425 | LIB$SIGNAL (status); | |
1426 | ||
f15731c4 | 1427 | file.string[nam.nam$b_esl] = 0; |
1428 | result.string[result.length=nam.nam$b_rsl] = 0; | |
d8dd2062 | 1429 | |
f15731c4 | 1430 | /* Get the device name and assign an IO channel. */ |
d8dd2062 | 1431 | strncpy (device.string, nam.nam$l_dev, nam.nam$b_dev); |
1432 | devicedsc.dsc$w_length = nam.nam$b_dev; | |
1433 | chan = 0; | |
1434 | status = SYS$ASSIGN (&devicedsc, &chan, 0, 0, 0); | |
1435 | if ((status & 1) != 1) | |
1436 | LIB$SIGNAL (status); | |
1437 | ||
f15731c4 | 1438 | /* Initialize the FIB and fill in the directory id field. */ |
1439 | memset (&fib, 0, sizeof (fib)); | |
1440 | fib.fib$w_did[0] = nam.nam$w_did[0]; | |
1441 | fib.fib$w_did[1] = nam.nam$w_did[1]; | |
1442 | fib.fib$w_did[2] = nam.nam$w_did[2]; | |
d8dd2062 | 1443 | fib.fib$l_acctl = 0; |
1444 | fib.fib$l_wcc = 0; | |
1445 | strcpy (file.string, (strrchr (result.string, ']') + 1)); | |
1446 | filedsc.dsc$w_length = strlen (file.string); | |
f15731c4 | 1447 | result.string[result.length = 0] = 0; |
d8dd2062 | 1448 | |
1449 | /* Open and close the file to fill in the attributes. */ | |
1450 | status | |
1451 | = SYS$QIOW (0, chan, IO$_ACCESS|IO$M_ACCESS, &iosb, 0, 0, | |
1452 | &fibdsc, &filedsc, &result.length, &resultdsc, &atrlst, 0); | |
1453 | if ((status & 1) != 1) | |
1454 | LIB$SIGNAL (status); | |
1455 | if ((iosb.status & 1) != 1) | |
1456 | LIB$SIGNAL (iosb.status); | |
1457 | ||
f15731c4 | 1458 | result.string[result.length] = 0; |
1459 | status = SYS$QIOW (0, chan, IO$_DEACCESS, &iosb, 0, 0, &fibdsc, 0, 0, 0, | |
1460 | &atrlst, 0); | |
d8dd2062 | 1461 | if ((status & 1) != 1) |
1462 | LIB$SIGNAL (status); | |
1463 | if ((iosb.status & 1) != 1) | |
1464 | LIB$SIGNAL (iosb.status); | |
1465 | ||
d8dd2062 | 1466 | { |
1467 | time_t t; | |
f15731c4 | 1468 | |
1469 | /* Set creation time to requested time. */ | |
9dfe12ae | 1470 | unix_time_to_vms (time_stamp, newtime); |
f15731c4 | 1471 | |
d8dd2062 | 1472 | t = time ((time_t) 0); |
d8dd2062 | 1473 | |
f15731c4 | 1474 | /* Set revision time to now in local time. */ |
9dfe12ae | 1475 | unix_time_to_vms (t, revtime); |
d8dd2062 | 1476 | } |
1477 | ||
f15731c4 | 1478 | /* Reopen the file, modify the times and then close. */ |
d8dd2062 | 1479 | fib.fib$l_acctl = FIB$M_WRITE; |
1480 | status | |
1481 | = SYS$QIOW (0, chan, IO$_ACCESS|IO$M_ACCESS, &iosb, 0, 0, | |
1482 | &fibdsc, &filedsc, &result.length, &resultdsc, &atrlst, 0); | |
1483 | if ((status & 1) != 1) | |
1484 | LIB$SIGNAL (status); | |
1485 | if ((iosb.status & 1) != 1) | |
1486 | LIB$SIGNAL (iosb.status); | |
1487 | ||
1488 | Fat.create = newtime; | |
1489 | Fat.revise = revtime; | |
1490 | ||
1491 | status = SYS$QIOW (0, chan, IO$_DEACCESS, &iosb, 0, 0, | |
1492 | &fibdsc, 0, 0, 0, &atrlst, 0); | |
1493 | if ((status & 1) != 1) | |
1494 | LIB$SIGNAL (status); | |
1495 | if ((iosb.status & 1) != 1) | |
1496 | LIB$SIGNAL (iosb.status); | |
1497 | ||
f15731c4 | 1498 | /* Deassign the channel and exit. */ |
d8dd2062 | 1499 | status = SYS$DASSGN (chan); |
1500 | if ((status & 1) != 1) | |
1501 | LIB$SIGNAL (status); | |
1502 | #else | |
1503 | struct utimbuf utimbuf; | |
1504 | time_t t; | |
1505 | ||
f15731c4 | 1506 | /* Set modification time to requested time. */ |
d8dd2062 | 1507 | utimbuf.modtime = time_stamp; |
1508 | ||
f15731c4 | 1509 | /* Set access time to now in local time. */ |
d8dd2062 | 1510 | t = time ((time_t) 0); |
1511 | utimbuf.actime = mktime (localtime (&t)); | |
1512 | ||
1513 | utime (name, &utimbuf); | |
1514 | #endif | |
1515 | } | |
1516 | ||
1fac938e | 1517 | /* Get the list of installed standard libraries from the |
1518 | HKEY_LOCAL_MACHINE\SOFTWARE\Ada Core Technologies\GNAT\Standard Libraries | |
1519 | key. */ | |
1520 | ||
1521 | char * | |
6f2c2693 | 1522 | __gnat_get_libraries_from_registry (void) |
1fac938e | 1523 | { |
1524 | char *result = (char *) ""; | |
1525 | ||
e2a33c18 | 1526 | #if defined (_WIN32) && ! defined (__vxworks) && ! defined (CROSS_DIRECTORY_STRUCTURE) && ! defined (RTX) |
1fac938e | 1527 | |
1528 | HKEY reg_key; | |
1529 | DWORD name_size, value_size; | |
1530 | char name[256]; | |
1531 | char value[256]; | |
1532 | DWORD type; | |
1533 | DWORD index; | |
1534 | LONG res; | |
1535 | ||
1536 | /* First open the key. */ | |
1537 | res = RegOpenKeyExA (HKEY_LOCAL_MACHINE, "SOFTWARE", 0, KEY_READ, ®_key); | |
1538 | ||
1539 | if (res == ERROR_SUCCESS) | |
1540 | res = RegOpenKeyExA (reg_key, "Ada Core Technologies", 0, | |
1541 | KEY_READ, ®_key); | |
1542 | ||
1543 | if (res == ERROR_SUCCESS) | |
1544 | res = RegOpenKeyExA (reg_key, "GNAT", 0, KEY_READ, ®_key); | |
1545 | ||
1546 | if (res == ERROR_SUCCESS) | |
1547 | res = RegOpenKeyExA (reg_key, "Standard Libraries", 0, KEY_READ, ®_key); | |
1548 | ||
1549 | /* If the key exists, read out all the values in it and concatenate them | |
1550 | into a path. */ | |
1551 | for (index = 0; res == ERROR_SUCCESS; index++) | |
1552 | { | |
1553 | value_size = name_size = 256; | |
e2c62f37 | 1554 | res = RegEnumValueA (reg_key, index, (TCHAR*)name, &name_size, 0, |
1555 | &type, (LPBYTE)value, &value_size); | |
1fac938e | 1556 | |
1557 | if (res == ERROR_SUCCESS && type == REG_SZ) | |
1558 | { | |
1559 | char *old_result = result; | |
1560 | ||
1561 | result = (char *) xmalloc (strlen (old_result) + value_size + 2); | |
1562 | strcpy (result, old_result); | |
1563 | strcat (result, value); | |
1564 | strcat (result, ";"); | |
1565 | } | |
1566 | } | |
1567 | ||
1568 | /* Remove the trailing ";". */ | |
1569 | if (result[0] != 0) | |
1570 | result[strlen (result) - 1] = 0; | |
1571 | ||
1572 | #endif | |
1573 | return result; | |
1574 | } | |
1575 | ||
1576 | int | |
9dfe12ae | 1577 | __gnat_stat (char *name, struct stat *statbuf) |
1fac938e | 1578 | { |
3b18b370 | 1579 | #ifdef __MINGW32__ |
1fac938e | 1580 | /* Under Windows the directory name for the stat function must not be |
1581 | terminated by a directory separator except if just after a drive name. */ | |
3b18b370 | 1582 | TCHAR wname [GNAT_MAX_PATH_LEN + 2]; |
1583 | int name_len; | |
1584 | TCHAR last_char; | |
1585 | ||
1e622f0e | 1586 | S2WSU (wname, name, GNAT_MAX_PATH_LEN + 2); |
3b18b370 | 1587 | name_len = _tcslen (wname); |
e7b2d6bc | 1588 | |
1589 | if (name_len > GNAT_MAX_PATH_LEN) | |
1590 | return -1; | |
1fac938e | 1591 | |
3b18b370 | 1592 | last_char = wname[name_len - 1]; |
1fac938e | 1593 | |
3b18b370 | 1594 | while (name_len > 1 && (last_char == _T('\\') || last_char == _T('/'))) |
1fac938e | 1595 | { |
3b18b370 | 1596 | wname[name_len - 1] = _T('\0'); |
1fac938e | 1597 | name_len--; |
3b18b370 | 1598 | last_char = wname[name_len - 1]; |
1fac938e | 1599 | } |
1600 | ||
3b18b370 | 1601 | /* Only a drive letter followed by ':', we must add a directory separator |
1602 | for the stat routine to work properly. */ | |
1603 | if (name_len == 2 && wname[1] == _T(':')) | |
1604 | _tcscat (wname, _T("\\")); | |
1fac938e | 1605 | |
3b18b370 | 1606 | return _tstat (wname, statbuf); |
1fac938e | 1607 | |
1608 | #else | |
1609 | return stat (name, statbuf); | |
1610 | #endif | |
1611 | } | |
1612 | ||
1613 | int | |
9dfe12ae | 1614 | __gnat_file_exists (char *name) |
1fac938e | 1615 | { |
8e726ab4 | 1616 | #ifdef __MINGW32__ |
1aa4b9ce | 1617 | /* On Windows do not use __gnat_stat() because a bug in Microsoft |
1618 | _stat() routine. When the system time-zone is set with a negative | |
1619 | offset the _stat() routine fails on specific files like CON: */ | |
1620 | TCHAR wname [GNAT_MAX_PATH_LEN + 2]; | |
1621 | ||
1622 | S2WSU (wname, name, GNAT_MAX_PATH_LEN + 2); | |
1623 | return GetFileAttributes (wname) != INVALID_FILE_ATTRIBUTES; | |
1624 | #else | |
1fac938e | 1625 | struct stat statbuf; |
1626 | ||
1627 | return !__gnat_stat (name, &statbuf); | |
1aa4b9ce | 1628 | #endif |
1fac938e | 1629 | } |
1630 | ||
9dfe12ae | 1631 | int |
4a3f445c | 1632 | __gnat_is_absolute_path (char *name, int length) |
1fac938e | 1633 | { |
8620a406 | 1634 | #ifdef __vxworks |
1635 | /* On VxWorks systems, an absolute path can be represented (depending on | |
1636 | the host platform) as either /dir/file, or device:/dir/file, or | |
1637 | device:drive_letter:/dir/file. */ | |
1638 | ||
1639 | int index; | |
1640 | ||
1641 | if (name[0] == '/') | |
1642 | return 1; | |
1643 | ||
1644 | for (index = 0; index < length; index++) | |
1645 | { | |
1646 | if (name[index] == ':' && | |
1647 | ((name[index + 1] == '/') || | |
1648 | (isalpha (name[index + 1]) && index + 2 <= length && | |
1649 | name[index + 2] == '/'))) | |
1650 | return 1; | |
1651 | ||
1652 | else if (name[index] == '/') | |
1653 | return 0; | |
1654 | } | |
1655 | return 0; | |
1656 | #else | |
4a3f445c | 1657 | return (length != 0) && |
1658 | (*name == '/' || *name == DIR_SEPARATOR | |
f15731c4 | 1659 | #if defined (__EMX__) || defined (MSDOS) || defined (WINNT) |
a4f295eb | 1660 | || (length > 1 && ISALPHA (name[0]) && name[1] == ':') |
1fac938e | 1661 | #endif |
1662 | ); | |
8620a406 | 1663 | #endif |
1fac938e | 1664 | } |
1665 | ||
1666 | int | |
9dfe12ae | 1667 | __gnat_is_regular_file (char *name) |
1fac938e | 1668 | { |
1669 | int ret; | |
1670 | struct stat statbuf; | |
1671 | ||
1672 | ret = __gnat_stat (name, &statbuf); | |
1673 | return (!ret && S_ISREG (statbuf.st_mode)); | |
1674 | } | |
1675 | ||
1676 | int | |
9dfe12ae | 1677 | __gnat_is_directory (char *name) |
1fac938e | 1678 | { |
1679 | int ret; | |
1680 | struct stat statbuf; | |
1681 | ||
1682 | ret = __gnat_stat (name, &statbuf); | |
1683 | return (!ret && S_ISDIR (statbuf.st_mode)); | |
1684 | } | |
1685 | ||
7db1ef17 | 1686 | #if defined (_WIN32) && !defined (RTX) |
1687 | /* This MingW section contains code to work with ACL. */ | |
1688 | static int | |
1689 | __gnat_check_OWNER_ACL | |
3855c659 | 1690 | (TCHAR *wname, |
7db1ef17 | 1691 | DWORD CheckAccessDesired, |
1692 | GENERIC_MAPPING CheckGenericMapping) | |
1693 | { | |
7db1ef17 | 1694 | DWORD dwAccessDesired, dwAccessAllowed; |
1695 | PRIVILEGE_SET PrivilegeSet; | |
1696 | DWORD dwPrivSetSize = sizeof (PRIVILEGE_SET); | |
1697 | BOOL fAccessGranted = FALSE; | |
1698 | HANDLE hToken; | |
1699 | DWORD nLength; | |
1700 | SECURITY_DESCRIPTOR* pSD = NULL; | |
1701 | ||
7db1ef17 | 1702 | GetFileSecurity |
1703 | (wname, OWNER_SECURITY_INFORMATION | | |
1704 | GROUP_SECURITY_INFORMATION | DACL_SECURITY_INFORMATION, | |
1705 | NULL, 0, &nLength); | |
1706 | ||
1707 | if ((pSD = (PSECURITY_DESCRIPTOR) HeapAlloc | |
1708 | (GetProcessHeap (), HEAP_ZERO_MEMORY, nLength)) == NULL) | |
1709 | return 0; | |
1710 | ||
1711 | /* Obtain the security descriptor. */ | |
1712 | ||
1713 | if (!GetFileSecurity | |
1714 | (wname, OWNER_SECURITY_INFORMATION | | |
1715 | GROUP_SECURITY_INFORMATION | DACL_SECURITY_INFORMATION, | |
1716 | pSD, nLength, &nLength)) | |
1717 | return 0; | |
1718 | ||
1719 | if (!ImpersonateSelf (SecurityImpersonation)) | |
1720 | return 0; | |
1721 | ||
1722 | if (!OpenThreadToken | |
1723 | (GetCurrentThread(), TOKEN_DUPLICATE | TOKEN_QUERY, FALSE, &hToken)) | |
1724 | return 0; | |
1725 | ||
1726 | /* Undoes the effect of ImpersonateSelf. */ | |
1727 | ||
1728 | RevertToSelf (); | |
1729 | ||
1730 | /* We want to test for write permissions. */ | |
1731 | ||
1732 | dwAccessDesired = CheckAccessDesired; | |
1733 | ||
1734 | MapGenericMask (&dwAccessDesired, &CheckGenericMapping); | |
1735 | ||
1736 | if (!AccessCheck | |
1737 | (pSD , /* security descriptor to check */ | |
1738 | hToken, /* impersonation token */ | |
1739 | dwAccessDesired, /* requested access rights */ | |
1740 | &CheckGenericMapping, /* pointer to GENERIC_MAPPING */ | |
1741 | &PrivilegeSet, /* receives privileges used in check */ | |
1742 | &dwPrivSetSize, /* size of PrivilegeSet buffer */ | |
1743 | &dwAccessAllowed, /* receives mask of allowed access rights */ | |
1744 | &fAccessGranted)) | |
1745 | return 0; | |
1746 | ||
1747 | return fAccessGranted; | |
1748 | } | |
1749 | ||
1750 | static void | |
1751 | __gnat_set_OWNER_ACL | |
3855c659 | 1752 | (TCHAR *wname, |
7db1ef17 | 1753 | DWORD AccessMode, |
1754 | DWORD AccessPermissions) | |
1755 | { | |
1756 | ACL* pOldDACL = NULL; | |
1757 | ACL* pNewDACL = NULL; | |
1758 | SECURITY_DESCRIPTOR* pSD = NULL; | |
1759 | EXPLICIT_ACCESS ea; | |
1760 | TCHAR username [100]; | |
1761 | DWORD unsize = 100; | |
1762 | ||
7db1ef17 | 1763 | /* Get current user, he will act as the owner */ |
1764 | ||
1765 | if (!GetUserName (username, &unsize)) | |
1766 | return; | |
1767 | ||
0b3929a6 | 1768 | if (GetNamedSecurityInfo |
1769 | (wname, | |
7db1ef17 | 1770 | SE_FILE_OBJECT, |
1771 | DACL_SECURITY_INFORMATION, | |
1772 | NULL, NULL, &pOldDACL, NULL, &pSD) != ERROR_SUCCESS) | |
1773 | return; | |
1774 | ||
0b3929a6 | 1775 | BuildExplicitAccessWithName |
1776 | (&ea, username, AccessPermissions, AccessMode, NO_INHERITANCE); | |
7db1ef17 | 1777 | |
1778 | if (AccessMode == SET_ACCESS) | |
1779 | { | |
1780 | /* SET_ACCESS, we want to set an explicte set of permissions, do not | |
1781 | merge with current DACL. */ | |
1782 | if (SetEntriesInAcl (1, &ea, NULL, &pNewDACL) != ERROR_SUCCESS) | |
1783 | return; | |
1784 | } | |
1785 | else | |
1786 | if (SetEntriesInAcl (1, &ea, pOldDACL, &pNewDACL) != ERROR_SUCCESS) | |
1787 | return; | |
1788 | ||
0b3929a6 | 1789 | if (SetNamedSecurityInfo |
1790 | (wname, SE_FILE_OBJECT, | |
7db1ef17 | 1791 | DACL_SECURITY_INFORMATION, NULL, NULL, pNewDACL, NULL) != ERROR_SUCCESS) |
1792 | return; | |
1793 | ||
1794 | LocalFree (pSD); | |
1795 | LocalFree (pNewDACL); | |
7db1ef17 | 1796 | } |
1797 | #endif /* defined (_WIN32) && !defined (RTX) */ | |
1798 | ||
1fac938e | 1799 | int |
9dfe12ae | 1800 | __gnat_is_readable_file (char *name) |
1801 | { | |
7db1ef17 | 1802 | #if defined (_WIN32) && !defined (RTX) |
3855c659 | 1803 | TCHAR wname [GNAT_MAX_PATH_LEN + 2]; |
7db1ef17 | 1804 | GENERIC_MAPPING GenericMapping; |
3855c659 | 1805 | |
1806 | S2WSU (wname, name, GNAT_MAX_PATH_LEN + 2); | |
1807 | ||
7db1ef17 | 1808 | ZeroMemory (&GenericMapping, sizeof (GENERIC_MAPPING)); |
1809 | GenericMapping.GenericRead = GENERIC_READ; | |
1810 | ||
3855c659 | 1811 | return __gnat_check_OWNER_ACL (wname, FILE_READ_DATA, GenericMapping); |
7db1ef17 | 1812 | #else |
9dfe12ae | 1813 | int ret; |
1814 | int mode; | |
1815 | struct stat statbuf; | |
1816 | ||
0e9e8338 | 1817 | ret = stat (name, &statbuf); |
9dfe12ae | 1818 | mode = statbuf.st_mode & S_IRUSR; |
1819 | return (!ret && mode); | |
7db1ef17 | 1820 | #endif |
9dfe12ae | 1821 | } |
1822 | ||
1823 | int | |
1824 | __gnat_is_writable_file (char *name) | |
1fac938e | 1825 | { |
7db1ef17 | 1826 | #if defined (_WIN32) && !defined (RTX) |
3855c659 | 1827 | TCHAR wname [GNAT_MAX_PATH_LEN + 2]; |
7db1ef17 | 1828 | GENERIC_MAPPING GenericMapping; |
3855c659 | 1829 | |
1830 | S2WSU (wname, name, GNAT_MAX_PATH_LEN + 2); | |
1831 | ||
7db1ef17 | 1832 | ZeroMemory (&GenericMapping, sizeof (GENERIC_MAPPING)); |
1833 | GenericMapping.GenericWrite = GENERIC_WRITE; | |
1834 | ||
1835 | return __gnat_check_OWNER_ACL | |
3855c659 | 1836 | (wname, FILE_WRITE_DATA | FILE_APPEND_DATA, GenericMapping) |
1837 | && !(GetFileAttributes (wname) & FILE_ATTRIBUTE_READONLY); | |
7db1ef17 | 1838 | #else |
1fac938e | 1839 | int ret; |
1840 | int mode; | |
1841 | struct stat statbuf; | |
1842 | ||
0e9e8338 | 1843 | ret = stat (name, &statbuf); |
1fac938e | 1844 | mode = statbuf.st_mode & S_IWUSR; |
1845 | return (!ret && mode); | |
7db1ef17 | 1846 | #endif |
1847 | } | |
1848 | ||
1849 | int | |
1850 | __gnat_is_executable_file (char *name) | |
1851 | { | |
1852 | #if defined (_WIN32) && !defined (RTX) | |
3855c659 | 1853 | TCHAR wname [GNAT_MAX_PATH_LEN + 2]; |
7db1ef17 | 1854 | GENERIC_MAPPING GenericMapping; |
3855c659 | 1855 | |
1856 | S2WSU (wname, name, GNAT_MAX_PATH_LEN + 2); | |
1857 | ||
7db1ef17 | 1858 | ZeroMemory (&GenericMapping, sizeof (GENERIC_MAPPING)); |
1859 | GenericMapping.GenericExecute = GENERIC_EXECUTE; | |
1860 | ||
3855c659 | 1861 | return __gnat_check_OWNER_ACL (wname, FILE_EXECUTE, GenericMapping); |
7db1ef17 | 1862 | #else |
1863 | int ret; | |
1864 | int mode; | |
1865 | struct stat statbuf; | |
1866 | ||
0e9e8338 | 1867 | ret = stat (name, &statbuf); |
7db1ef17 | 1868 | mode = statbuf.st_mode & S_IXUSR; |
1869 | return (!ret && mode); | |
1870 | #endif | |
1fac938e | 1871 | } |
1872 | ||
9dfe12ae | 1873 | void |
1874 | __gnat_set_writable (char *name) | |
1875 | { | |
7db1ef17 | 1876 | #if defined (_WIN32) && !defined (RTX) |
3855c659 | 1877 | TCHAR wname [GNAT_MAX_PATH_LEN + 2]; |
1878 | ||
1879 | S2WSU (wname, name, GNAT_MAX_PATH_LEN + 2); | |
1880 | ||
0b3929a6 | 1881 | __gnat_set_OWNER_ACL (wname, GRANT_ACCESS, FILE_GENERIC_WRITE); |
3855c659 | 1882 | SetFileAttributes |
1883 | (wname, GetFileAttributes (wname) & ~FILE_ATTRIBUTE_READONLY); | |
7db1ef17 | 1884 | #elif ! defined (__vxworks) && ! defined(__nucleus__) |
9dfe12ae | 1885 | struct stat statbuf; |
1886 | ||
1887 | if (stat (name, &statbuf) == 0) | |
0e9e8338 | 1888 | { |
1889 | statbuf.st_mode = statbuf.st_mode | S_IWUSR; | |
1890 | chmod (name, statbuf.st_mode); | |
1891 | } | |
9dfe12ae | 1892 | #endif |
1893 | } | |
1894 | ||
5329ca64 | 1895 | void |
1896 | __gnat_set_executable (char *name) | |
1897 | { | |
7db1ef17 | 1898 | #if defined (_WIN32) && !defined (RTX) |
3855c659 | 1899 | TCHAR wname [GNAT_MAX_PATH_LEN + 2]; |
1900 | ||
1901 | S2WSU (wname, name, GNAT_MAX_PATH_LEN + 2); | |
1902 | ||
0b3929a6 | 1903 | __gnat_set_OWNER_ACL (wname, GRANT_ACCESS, FILE_GENERIC_EXECUTE); |
7db1ef17 | 1904 | #elif ! defined (__vxworks) && ! defined(__nucleus__) |
5329ca64 | 1905 | struct stat statbuf; |
1906 | ||
1907 | if (stat (name, &statbuf) == 0) | |
0e9e8338 | 1908 | { |
1909 | statbuf.st_mode = statbuf.st_mode | S_IXUSR; | |
1910 | chmod (name, statbuf.st_mode); | |
1911 | } | |
5329ca64 | 1912 | #endif |
1913 | } | |
1914 | ||
9dfe12ae | 1915 | void |
2ab009c7 | 1916 | __gnat_set_non_writable (char *name) |
9dfe12ae | 1917 | { |
7db1ef17 | 1918 | #if defined (_WIN32) && !defined (RTX) |
3855c659 | 1919 | TCHAR wname [GNAT_MAX_PATH_LEN + 2]; |
1920 | ||
1921 | S2WSU (wname, name, GNAT_MAX_PATH_LEN + 2); | |
1922 | ||
b23dd297 | 1923 | __gnat_set_OWNER_ACL |
1924 | (wname, DENY_ACCESS, | |
1925 | FILE_WRITE_DATA | FILE_APPEND_DATA | | |
64d569f5 | 1926 | FILE_WRITE_EA | FILE_WRITE_ATTRIBUTES); |
3855c659 | 1927 | SetFileAttributes |
1928 | (wname, GetFileAttributes (wname) | FILE_ATTRIBUTE_READONLY); | |
7db1ef17 | 1929 | #elif ! defined (__vxworks) && ! defined(__nucleus__) |
9dfe12ae | 1930 | struct stat statbuf; |
1931 | ||
1932 | if (stat (name, &statbuf) == 0) | |
0b3929a6 | 1933 | { |
1934 | statbuf.st_mode = statbuf.st_mode & 07577; | |
1935 | chmod (name, statbuf.st_mode); | |
1936 | } | |
1937 | #endif | |
1938 | } | |
1939 | ||
1940 | void | |
1941 | __gnat_set_readable (char *name) | |
1942 | { | |
1943 | #if defined (_WIN32) && !defined (RTX) | |
1944 | TCHAR wname [GNAT_MAX_PATH_LEN + 2]; | |
1945 | ||
1946 | S2WSU (wname, name, GNAT_MAX_PATH_LEN + 2); | |
1947 | ||
1948 | __gnat_set_OWNER_ACL (wname, GRANT_ACCESS, FILE_GENERIC_READ); | |
e31ad175 | 1949 | #elif ! defined (__vxworks) && ! defined(__nucleus__) |
0b3929a6 | 1950 | struct stat statbuf; |
1951 | ||
1952 | if (stat (name, &statbuf) == 0) | |
1953 | { | |
1954 | chmod (name, statbuf.st_mode | S_IREAD); | |
1955 | } | |
1956 | #endif | |
1957 | } | |
1958 | ||
1959 | void | |
1960 | __gnat_set_non_readable (char *name) | |
1961 | { | |
1962 | #if defined (_WIN32) && !defined (RTX) | |
1963 | TCHAR wname [GNAT_MAX_PATH_LEN + 2]; | |
1964 | ||
1965 | S2WSU (wname, name, GNAT_MAX_PATH_LEN + 2); | |
1966 | ||
1967 | __gnat_set_OWNER_ACL (wname, DENY_ACCESS, FILE_GENERIC_READ); | |
e31ad175 | 1968 | #elif ! defined (__vxworks) && ! defined(__nucleus__) |
0b3929a6 | 1969 | struct stat statbuf; |
1970 | ||
1971 | if (stat (name, &statbuf) == 0) | |
1972 | { | |
1973 | chmod (name, statbuf.st_mode & (~S_IREAD)); | |
1974 | } | |
9dfe12ae | 1975 | #endif |
1976 | } | |
1977 | ||
1978 | int | |
f0a28ccb | 1979 | __gnat_is_symbolic_link (char *name ATTRIBUTE_UNUSED) |
9dfe12ae | 1980 | { |
5091bc2f | 1981 | #if defined (__vxworks) || defined (__nucleus__) |
9dfe12ae | 1982 | return 0; |
1983 | ||
8e761191 | 1984 | #elif defined (_AIX) || defined (__APPLE__) || defined (__unix__) |
9dfe12ae | 1985 | int ret; |
1986 | struct stat statbuf; | |
1987 | ||
1988 | ret = lstat (name, &statbuf); | |
1989 | return (!ret && S_ISLNK (statbuf.st_mode)); | |
1990 | ||
1991 | #else | |
1992 | return 0; | |
1993 | #endif | |
1994 | } | |
1995 | ||
1fac938e | 1996 | #if defined (sun) && defined (__SVR4) |
1997 | /* Using fork on Solaris will duplicate all the threads. fork1, which | |
1998 | duplicates only the active thread, must be used instead, or spawning | |
1999 | subprocess from a program with tasking will lead into numerous problems. */ | |
2000 | #define fork fork1 | |
2001 | #endif | |
2002 | ||
2003 | int | |
9dfe12ae | 2004 | __gnat_portable_spawn (char *args[]) |
1fac938e | 2005 | { |
2006 | int status = 0; | |
f0a28ccb | 2007 | int finished ATTRIBUTE_UNUSED; |
2008 | int pid ATTRIBUTE_UNUSED; | |
1fac938e | 2009 | |
e2a33c18 | 2010 | #if defined (__vxworks) || defined(__nucleus__) || defined(RTX) |
2011 | return -1; | |
2012 | ||
2013 | #elif defined (MSDOS) || defined (_WIN32) | |
f270dc82 | 2014 | /* args[0] must be quotes as it could contain a full pathname with spaces */ |
38750fcd | 2015 | char *args_0 = args[0]; |
f270dc82 | 2016 | args[0] = (char *)xmalloc (strlen (args_0) + 3); |
2017 | strcpy (args[0], "\""); | |
2018 | strcat (args[0], args_0); | |
2019 | strcat (args[0], "\""); | |
2020 | ||
0b9eca83 | 2021 | status = spawnvp (P_WAIT, args_0, (const char* const*)args); |
f270dc82 | 2022 | |
2023 | /* restore previous value */ | |
2024 | free (args[0]); | |
8e761191 | 2025 | args[0] = (char *)args_0; |
f270dc82 | 2026 | |
1fac938e | 2027 | if (status < 0) |
f15731c4 | 2028 | return -1; |
1fac938e | 2029 | else |
2030 | return status; | |
2031 | ||
1fac938e | 2032 | #else |
2033 | ||
2034 | #ifdef __EMX__ | |
f15731c4 | 2035 | pid = spawnvp (P_NOWAIT, args[0], args); |
1fac938e | 2036 | if (pid == -1) |
f15731c4 | 2037 | return -1; |
2038 | ||
1fac938e | 2039 | #else |
2040 | pid = fork (); | |
f15731c4 | 2041 | if (pid < 0) |
2042 | return -1; | |
1fac938e | 2043 | |
f15731c4 | 2044 | if (pid == 0) |
2045 | { | |
2046 | /* The child. */ | |
6d9c3443 | 2047 | if (execv (args[0], MAYBE_TO_PTR32 (args)) != 0) |
f15731c4 | 2048 | #if defined (VMS) |
2049 | return -1; /* execv is in parent context on VMS. */ | |
2050 | #else | |
2051 | _exit (1); | |
2052 | #endif | |
2053 | } | |
1fac938e | 2054 | #endif |
2055 | ||
f15731c4 | 2056 | /* The parent. */ |
1fac938e | 2057 | finished = waitpid (pid, &status, 0); |
2058 | ||
2059 | if (finished != pid || WIFEXITED (status) == 0) | |
f15731c4 | 2060 | return -1; |
1fac938e | 2061 | |
2062 | return WEXITSTATUS (status); | |
2063 | #endif | |
f15731c4 | 2064 | |
1fac938e | 2065 | return 0; |
2066 | } | |
2067 | ||
8e761191 | 2068 | /* Create a copy of the given file descriptor. |
2069 | Return -1 if an error occurred. */ | |
2070 | ||
2071 | int | |
2072 | __gnat_dup (int oldfd) | |
2073 | { | |
8ffbc401 | 2074 | #if defined (__vxworks) && !defined (__RTP__) |
2075 | /* Not supported on VxWorks 5.x, but supported on VxWorks 6.0 when using | |
2076 | RTPs. */ | |
2077 | return -1; | |
8e761191 | 2078 | #else |
8ffbc401 | 2079 | return dup (oldfd); |
8e761191 | 2080 | #endif |
2081 | } | |
2082 | ||
2083 | /* Make newfd be the copy of oldfd, closing newfd first if necessary. | |
5e947a95 | 2084 | Return -1 if an error occurred. */ |
8e761191 | 2085 | |
2086 | int | |
2087 | __gnat_dup2 (int oldfd, int newfd) | |
2088 | { | |
8ffbc401 | 2089 | #if defined (__vxworks) && !defined (__RTP__) |
2090 | /* Not supported on VxWorks 5.x, but supported on VxWorks 6.0 when using | |
2091 | RTPs. */ | |
8e761191 | 2092 | return -1; |
2093 | #else | |
2094 | return dup2 (oldfd, newfd); | |
2095 | #endif | |
2096 | } | |
2097 | ||
f15731c4 | 2098 | /* WIN32 code to implement a wait call that wait for any child process. */ |
2099 | ||
e2a33c18 | 2100 | #if defined (_WIN32) && !defined (RTX) |
1fac938e | 2101 | |
2102 | /* Synchronization code, to be thread safe. */ | |
2103 | ||
51fa65dc | 2104 | #ifdef CERT |
1fac938e | 2105 | |
51fa65dc | 2106 | /* For the Cert run times on native Windows we use dummy functions |
2107 | for locking and unlocking tasks since we do not support multiple | |
2108 | threads on this configuration (Cert run time on native Windows). */ | |
1fac938e | 2109 | |
51fa65dc | 2110 | void dummy (void) {} |
1fac938e | 2111 | |
51fa65dc | 2112 | void (*Lock_Task) () = &dummy; |
2113 | void (*Unlock_Task) () = &dummy; | |
2114 | ||
2115 | #else | |
2116 | ||
2117 | #define Lock_Task system__soft_links__lock_task | |
2118 | extern void (*Lock_Task) (void); | |
2119 | ||
2120 | #define Unlock_Task system__soft_links__unlock_task | |
2121 | extern void (*Unlock_Task) (void); | |
2122 | ||
2123 | #endif | |
1fac938e | 2124 | |
2125 | typedef struct _process_list | |
2126 | { | |
2127 | HANDLE h; | |
2128 | struct _process_list *next; | |
2129 | } Process_List; | |
2130 | ||
2131 | static Process_List *PLIST = NULL; | |
2132 | ||
2133 | static int plist_length = 0; | |
2134 | ||
2135 | static void | |
9dfe12ae | 2136 | add_handle (HANDLE h) |
1fac938e | 2137 | { |
2138 | Process_List *pl; | |
2139 | ||
2140 | pl = (Process_List *) xmalloc (sizeof (Process_List)); | |
2141 | ||
1fac938e | 2142 | /* -------------------- critical section -------------------- */ |
51fa65dc | 2143 | (*Lock_Task) (); |
2144 | ||
1fac938e | 2145 | pl->h = h; |
2146 | pl->next = PLIST; | |
2147 | PLIST = pl; | |
2148 | ++plist_length; | |
1fac938e | 2149 | |
51fa65dc | 2150 | (*Unlock_Task) (); |
2151 | /* -------------------- critical section -------------------- */ | |
1fac938e | 2152 | } |
2153 | ||
f0a28ccb | 2154 | static void |
2155 | remove_handle (HANDLE h) | |
1fac938e | 2156 | { |
f0a28ccb | 2157 | Process_List *pl; |
2158 | Process_List *prev = NULL; | |
1fac938e | 2159 | |
1fac938e | 2160 | /* -------------------- critical section -------------------- */ |
51fa65dc | 2161 | (*Lock_Task) (); |
2162 | ||
1fac938e | 2163 | pl = PLIST; |
2164 | while (pl) | |
2165 | { | |
2166 | if (pl->h == h) | |
2167 | { | |
2168 | if (pl == PLIST) | |
2169 | PLIST = pl->next; | |
2170 | else | |
2171 | prev->next = pl->next; | |
2172 | free (pl); | |
2173 | break; | |
2174 | } | |
2175 | else | |
2176 | { | |
2177 | prev = pl; | |
2178 | pl = pl->next; | |
2179 | } | |
2180 | } | |
2181 | ||
2182 | --plist_length; | |
1fac938e | 2183 | |
51fa65dc | 2184 | (*Unlock_Task) (); |
2185 | /* -------------------- critical section -------------------- */ | |
1fac938e | 2186 | } |
2187 | ||
2188 | static int | |
9dfe12ae | 2189 | win32_no_block_spawn (char *command, char *args[]) |
1fac938e | 2190 | { |
2191 | BOOL result; | |
2192 | STARTUPINFO SI; | |
2193 | PROCESS_INFORMATION PI; | |
2194 | SECURITY_ATTRIBUTES SA; | |
f15731c4 | 2195 | int csize = 1; |
2196 | char *full_command; | |
1fac938e | 2197 | int k; |
2198 | ||
f15731c4 | 2199 | /* compute the total command line length */ |
2200 | k = 0; | |
2201 | while (args[k]) | |
2202 | { | |
2203 | csize += strlen (args[k]) + 1; | |
2204 | k++; | |
2205 | } | |
2206 | ||
2207 | full_command = (char *) xmalloc (csize); | |
2208 | ||
1fac938e | 2209 | /* Startup info. */ |
2210 | SI.cb = sizeof (STARTUPINFO); | |
2211 | SI.lpReserved = NULL; | |
2212 | SI.lpReserved2 = NULL; | |
2213 | SI.lpDesktop = NULL; | |
2214 | SI.cbReserved2 = 0; | |
2215 | SI.lpTitle = NULL; | |
2216 | SI.dwFlags = 0; | |
2217 | SI.wShowWindow = SW_HIDE; | |
2218 | ||
2219 | /* Security attributes. */ | |
2220 | SA.nLength = sizeof (SECURITY_ATTRIBUTES); | |
2221 | SA.bInheritHandle = TRUE; | |
2222 | SA.lpSecurityDescriptor = NULL; | |
2223 | ||
2224 | /* Prepare the command string. */ | |
2225 | strcpy (full_command, command); | |
2226 | strcat (full_command, " "); | |
2227 | ||
2228 | k = 1; | |
2229 | while (args[k]) | |
2230 | { | |
2231 | strcat (full_command, args[k]); | |
2232 | strcat (full_command, " "); | |
2233 | k++; | |
2234 | } | |
2235 | ||
3b18b370 | 2236 | { |
2237 | int wsize = csize * 2; | |
2238 | TCHAR *wcommand = (TCHAR *) xmalloc (wsize); | |
2239 | ||
1e622f0e | 2240 | S2WSU (wcommand, full_command, wsize); |
3b18b370 | 2241 | |
2242 | free (full_command); | |
1fac938e | 2243 | |
3b18b370 | 2244 | result = CreateProcess |
2245 | (NULL, wcommand, &SA, NULL, TRUE, | |
2246 | GetPriorityClass (GetCurrentProcess()), NULL, NULL, &SI, &PI); | |
2247 | ||
2248 | free (wcommand); | |
2249 | } | |
f15731c4 | 2250 | |
1fac938e | 2251 | if (result == TRUE) |
2252 | { | |
2253 | add_handle (PI.hProcess); | |
2254 | CloseHandle (PI.hThread); | |
2255 | return (int) PI.hProcess; | |
2256 | } | |
2257 | else | |
2258 | return -1; | |
2259 | } | |
2260 | ||
2261 | static int | |
9dfe12ae | 2262 | win32_wait (int *status) |
1fac938e | 2263 | { |
2264 | DWORD exitcode; | |
2265 | HANDLE *hl; | |
2266 | HANDLE h; | |
2267 | DWORD res; | |
2268 | int k; | |
2269 | Process_List *pl; | |
e41b023d | 2270 | int hl_len; |
1fac938e | 2271 | |
2272 | if (plist_length == 0) | |
2273 | { | |
2274 | errno = ECHILD; | |
2275 | return -1; | |
2276 | } | |
2277 | ||
1fac938e | 2278 | k = 0; |
51fa65dc | 2279 | |
2280 | /* -------------------- critical section -------------------- */ | |
2281 | (*Lock_Task) (); | |
1fac938e | 2282 | |
e41b023d | 2283 | hl_len = plist_length; |
2284 | ||
e41b023d | 2285 | hl = (HANDLE *) xmalloc (sizeof (HANDLE) * hl_len); |
2286 | ||
1fac938e | 2287 | pl = PLIST; |
2288 | while (pl) | |
2289 | { | |
2290 | hl[k++] = pl->h; | |
2291 | pl = pl->next; | |
2292 | } | |
1fac938e | 2293 | |
51fa65dc | 2294 | (*Unlock_Task) (); |
2295 | /* -------------------- critical section -------------------- */ | |
1fac938e | 2296 | |
e41b023d | 2297 | res = WaitForMultipleObjects (hl_len, hl, FALSE, INFINITE); |
f15731c4 | 2298 | h = hl[res - WAIT_OBJECT_0]; |
1fac938e | 2299 | free (hl); |
2300 | ||
2301 | remove_handle (h); | |
2302 | ||
2303 | GetExitCodeProcess (h, &exitcode); | |
2304 | CloseHandle (h); | |
2305 | ||
2306 | *status = (int) exitcode; | |
2307 | return (int) h; | |
2308 | } | |
2309 | ||
2310 | #endif | |
2311 | ||
2312 | int | |
9dfe12ae | 2313 | __gnat_portable_no_block_spawn (char *args[]) |
1fac938e | 2314 | { |
2315 | int pid = 0; | |
2316 | ||
e2a33c18 | 2317 | #if defined (__vxworks) || defined (__nucleus__) || defined (RTX) |
2318 | return -1; | |
2319 | ||
2320 | #elif defined (__EMX__) || defined (MSDOS) | |
1fac938e | 2321 | |
2322 | /* ??? For PC machines I (Franco) don't know the system calls to implement | |
2323 | this routine. So I'll fake it as follows. This routine will behave | |
2324 | exactly like the blocking portable_spawn and will systematically return | |
2325 | a pid of 0 unless the spawned task did not complete successfully, in | |
2326 | which case we return a pid of -1. To synchronize with this the | |
2327 | portable_wait below systematically returns a pid of 0 and reports that | |
2328 | the subprocess terminated successfully. */ | |
2329 | ||
f15731c4 | 2330 | if (spawnvp (P_WAIT, args[0], args) != 0) |
1fac938e | 2331 | return -1; |
2332 | ||
2333 | #elif defined (_WIN32) | |
2334 | ||
2335 | pid = win32_no_block_spawn (args[0], args); | |
2336 | return pid; | |
2337 | ||
1fac938e | 2338 | #else |
2339 | pid = fork (); | |
2340 | ||
f15731c4 | 2341 | if (pid == 0) |
2342 | { | |
2343 | /* The child. */ | |
6d9c3443 | 2344 | if (execv (args[0], MAYBE_TO_PTR32 (args)) != 0) |
f15731c4 | 2345 | #if defined (VMS) |
2346 | return -1; /* execv is in parent context on VMS. */ | |
9dfe12ae | 2347 | #else |
f15731c4 | 2348 | _exit (1); |
2349 | #endif | |
2350 | } | |
2351 | ||
1fac938e | 2352 | #endif |
2353 | ||
2354 | return pid; | |
2355 | } | |
2356 | ||
2357 | int | |
9dfe12ae | 2358 | __gnat_portable_wait (int *process_status) |
1fac938e | 2359 | { |
2360 | int status = 0; | |
2361 | int pid = 0; | |
2362 | ||
e2a33c18 | 2363 | #if defined (__vxworks) || defined (__nucleus__) || defined (RTX) |
2364 | /* Not sure what to do here, so do same as __EMX__ case, i.e., nothing but | |
2365 | return zero. */ | |
2366 | ||
2367 | #elif defined (_WIN32) | |
1fac938e | 2368 | |
2369 | pid = win32_wait (&status); | |
2370 | ||
2371 | #elif defined (__EMX__) || defined (MSDOS) | |
f15731c4 | 2372 | /* ??? See corresponding comment in portable_no_block_spawn. */ |
1fac938e | 2373 | |
1fac938e | 2374 | #else |
2375 | ||
1fac938e | 2376 | pid = waitpid (-1, &status, 0); |
1fac938e | 2377 | status = status & 0xffff; |
2378 | #endif | |
2379 | ||
2380 | *process_status = status; | |
2381 | return pid; | |
2382 | } | |
2383 | ||
2384 | void | |
9dfe12ae | 2385 | __gnat_os_exit (int status) |
1fac938e | 2386 | { |
1fac938e | 2387 | exit (status); |
1fac938e | 2388 | } |
2389 | ||
f15731c4 | 2390 | /* Locate a regular file, give a Path value. */ |
1fac938e | 2391 | |
2392 | char * | |
9dfe12ae | 2393 | __gnat_locate_regular_file (char *file_name, char *path_val) |
1fac938e | 2394 | { |
2395 | char *ptr; | |
5703e222 | 2396 | char *file_path = (char *) alloca (strlen (file_name) + 1); |
c69ba469 | 2397 | int absolute; |
2398 | ||
b51bcb1c | 2399 | /* Return immediately if file_name is empty */ |
2400 | ||
2401 | if (*file_name == '\0') | |
2402 | return 0; | |
2403 | ||
c69ba469 | 2404 | /* Remove quotes around file_name if present */ |
2405 | ||
2406 | ptr = file_name; | |
2407 | if (*ptr == '"') | |
2408 | ptr++; | |
2409 | ||
2410 | strcpy (file_path, ptr); | |
2411 | ||
2412 | ptr = file_path + strlen (file_path) - 1; | |
2413 | ||
2414 | if (*ptr == '"') | |
2415 | *ptr = '\0'; | |
1fac938e | 2416 | |
f15731c4 | 2417 | /* Handle absolute pathnames. */ |
c69ba469 | 2418 | |
2419 | absolute = __gnat_is_absolute_path (file_path, strlen (file_name)); | |
2420 | ||
9dfe12ae | 2421 | if (absolute) |
2422 | { | |
c69ba469 | 2423 | if (__gnat_is_regular_file (file_path)) |
2424 | return xstrdup (file_path); | |
9dfe12ae | 2425 | |
2426 | return 0; | |
2427 | } | |
2428 | ||
2429 | /* If file_name include directory separator(s), try it first as | |
2430 | a path name relative to the current directory */ | |
1fac938e | 2431 | for (ptr = file_name; *ptr && *ptr != '/' && *ptr != DIR_SEPARATOR; ptr++) |
2432 | ; | |
2433 | ||
9dfe12ae | 2434 | if (*ptr != 0) |
1fac938e | 2435 | { |
2436 | if (__gnat_is_regular_file (file_name)) | |
2437 | return xstrdup (file_name); | |
1fac938e | 2438 | } |
2439 | ||
2440 | if (path_val == 0) | |
2441 | return 0; | |
2442 | ||
2443 | { | |
2444 | /* The result has to be smaller than path_val + file_name. */ | |
5703e222 | 2445 | char *file_path = (char *) alloca (strlen (path_val) + strlen (file_name) + 2); |
1fac938e | 2446 | |
2447 | for (;;) | |
2448 | { | |
2449 | for (; *path_val == PATH_SEPARATOR; path_val++) | |
2450 | ; | |
2451 | ||
2452 | if (*path_val == 0) | |
2453 | return 0; | |
2454 | ||
c69ba469 | 2455 | /* Skip the starting quote */ |
2456 | ||
2457 | if (*path_val == '"') | |
2458 | path_val++; | |
2459 | ||
1fac938e | 2460 | for (ptr = file_path; *path_val && *path_val != PATH_SEPARATOR; ) |
c69ba469 | 2461 | *ptr++ = *path_val++; |
1fac938e | 2462 | |
2463 | ptr--; | |
c69ba469 | 2464 | |
2465 | /* Skip the ending quote */ | |
2466 | ||
2467 | if (*ptr == '"') | |
2468 | ptr--; | |
2469 | ||
1fac938e | 2470 | if (*ptr != '/' && *ptr != DIR_SEPARATOR) |
2471 | *++ptr = DIR_SEPARATOR; | |
2472 | ||
2473 | strcpy (++ptr, file_name); | |
2474 | ||
2475 | if (__gnat_is_regular_file (file_path)) | |
2476 | return xstrdup (file_path); | |
2477 | } | |
2478 | } | |
2479 | ||
2480 | return 0; | |
2481 | } | |
2482 | ||
1fac938e | 2483 | /* Locate an executable given a Path argument. This routine is only used by |
2484 | gnatbl and should not be used otherwise. Use locate_exec_on_path | |
f15731c4 | 2485 | instead. */ |
1fac938e | 2486 | |
2487 | char * | |
9dfe12ae | 2488 | __gnat_locate_exec (char *exec_name, char *path_val) |
1fac938e | 2489 | { |
fb31b465 | 2490 | char *ptr; |
1fac938e | 2491 | if (!strstr (exec_name, HOST_EXECUTABLE_SUFFIX)) |
2492 | { | |
2493 | char *full_exec_name | |
5703e222 | 2494 | = (char *) alloca (strlen (exec_name) + strlen (HOST_EXECUTABLE_SUFFIX) + 1); |
1fac938e | 2495 | |
2496 | strcpy (full_exec_name, exec_name); | |
2497 | strcat (full_exec_name, HOST_EXECUTABLE_SUFFIX); | |
fb31b465 | 2498 | ptr = __gnat_locate_regular_file (full_exec_name, path_val); |
2499 | ||
2500 | if (ptr == 0) | |
2501 | return __gnat_locate_regular_file (exec_name, path_val); | |
2502 | return ptr; | |
1fac938e | 2503 | } |
2504 | else | |
2505 | return __gnat_locate_regular_file (exec_name, path_val); | |
2506 | } | |
2507 | ||
f15731c4 | 2508 | /* Locate an executable using the Systems default PATH. */ |
1fac938e | 2509 | |
2510 | char * | |
9dfe12ae | 2511 | __gnat_locate_exec_on_path (char *exec_name) |
1fac938e | 2512 | { |
9dfe12ae | 2513 | char *apath_val; |
3b18b370 | 2514 | |
e2a33c18 | 2515 | #if defined (_WIN32) && !defined (RTX) |
3b18b370 | 2516 | TCHAR *wpath_val = _tgetenv (_T("PATH")); |
2517 | TCHAR *wapath_val; | |
9dfe12ae | 2518 | /* In Win32 systems we expand the PATH as for XP environment |
c69ba469 | 2519 | variables are not automatically expanded. We also prepend the |
2520 | ".;" to the path to match normal NT path search semantics */ | |
9dfe12ae | 2521 | |
c69ba469 | 2522 | #define EXPAND_BUFFER_SIZE 32767 |
9dfe12ae | 2523 | |
3b18b370 | 2524 | wapath_val = alloca (EXPAND_BUFFER_SIZE); |
c69ba469 | 2525 | |
3b18b370 | 2526 | wapath_val [0] = '.'; |
2527 | wapath_val [1] = ';'; | |
1fac938e | 2528 | |
c69ba469 | 2529 | DWORD res = ExpandEnvironmentStrings |
3b18b370 | 2530 | (wpath_val, &wapath_val[2], EXPAND_BUFFER_SIZE - 2); |
2531 | ||
2532 | if (!res) wapath_val [0] = _T('\0'); | |
2533 | ||
2534 | apath_val = alloca (EXPAND_BUFFER_SIZE); | |
2535 | ||
1e622f0e | 2536 | WS2SU (apath_val, wapath_val, EXPAND_BUFFER_SIZE); |
3b18b370 | 2537 | return __gnat_locate_exec (exec_name, apath_val); |
c69ba469 | 2538 | |
c69ba469 | 2539 | #else |
3b18b370 | 2540 | |
2541 | #ifdef VMS | |
2542 | char *path_val = "/VAXC$PATH"; | |
2543 | #else | |
2544 | char *path_val = getenv ("PATH"); | |
2545 | #endif | |
e2c62f37 | 2546 | if (path_val == NULL) return NULL; |
5703e222 | 2547 | apath_val = (char *) alloca (strlen (path_val) + 1); |
1fac938e | 2548 | strcpy (apath_val, path_val); |
2549 | return __gnat_locate_exec (exec_name, apath_val); | |
3b18b370 | 2550 | #endif |
1fac938e | 2551 | } |
2552 | ||
2553 | #ifdef VMS | |
2554 | ||
2555 | /* These functions are used to translate to and from VMS and Unix syntax | |
f15731c4 | 2556 | file, directory and path specifications. */ |
1fac938e | 2557 | |
9dfe12ae | 2558 | #define MAXPATH 256 |
1fac938e | 2559 | #define MAXNAMES 256 |
2560 | #define NEW_CANONICAL_FILELIST_INCREMENT 64 | |
2561 | ||
9dfe12ae | 2562 | static char new_canonical_dirspec [MAXPATH]; |
2563 | static char new_canonical_filespec [MAXPATH]; | |
2564 | static char new_canonical_pathspec [MAXNAMES*MAXPATH]; | |
1fac938e | 2565 | static unsigned new_canonical_filelist_index; |
2566 | static unsigned new_canonical_filelist_in_use; | |
2567 | static unsigned new_canonical_filelist_allocated; | |
2568 | static char **new_canonical_filelist; | |
9dfe12ae | 2569 | static char new_host_pathspec [MAXNAMES*MAXPATH]; |
2570 | static char new_host_dirspec [MAXPATH]; | |
2571 | static char new_host_filespec [MAXPATH]; | |
1fac938e | 2572 | |
2573 | /* Routine is called repeatedly by decc$from_vms via | |
9dfe12ae | 2574 | __gnat_to_canonical_file_list_init until it returns 0 or the expansion |
2575 | runs out. */ | |
1fac938e | 2576 | |
2577 | static int | |
9dfe12ae | 2578 | wildcard_translate_unix (char *name) |
1fac938e | 2579 | { |
2580 | char *ver; | |
9dfe12ae | 2581 | char buff [MAXPATH]; |
1fac938e | 2582 | |
9dfe12ae | 2583 | strncpy (buff, name, MAXPATH); |
2584 | buff [MAXPATH - 1] = (char) 0; | |
1fac938e | 2585 | ver = strrchr (buff, '.'); |
2586 | ||
f15731c4 | 2587 | /* Chop off the version. */ |
1fac938e | 2588 | if (ver) |
2589 | *ver = 0; | |
2590 | ||
f15731c4 | 2591 | /* Dynamically extend the allocation by the increment. */ |
1fac938e | 2592 | if (new_canonical_filelist_in_use == new_canonical_filelist_allocated) |
2593 | { | |
2594 | new_canonical_filelist_allocated += NEW_CANONICAL_FILELIST_INCREMENT; | |
f15731c4 | 2595 | new_canonical_filelist = (char **) xrealloc |
1fac938e | 2596 | (new_canonical_filelist, |
2597 | new_canonical_filelist_allocated * sizeof (char *)); | |
2598 | } | |
2599 | ||
2600 | new_canonical_filelist[new_canonical_filelist_in_use++] = xstrdup (buff); | |
2601 | ||
2602 | return 1; | |
2603 | } | |
2604 | ||
f15731c4 | 2605 | /* Translate a wildcard VMS file spec into a list of Unix file specs. First do |
2606 | full translation and copy the results into a list (_init), then return them | |
2607 | one at a time (_next). If onlydirs set, only expand directory files. */ | |
1fac938e | 2608 | |
2609 | int | |
9dfe12ae | 2610 | __gnat_to_canonical_file_list_init (char *filespec, int onlydirs) |
1fac938e | 2611 | { |
2612 | int len; | |
9dfe12ae | 2613 | char buff [MAXPATH]; |
1fac938e | 2614 | |
2615 | len = strlen (filespec); | |
9dfe12ae | 2616 | strncpy (buff, filespec, MAXPATH); |
2617 | ||
2618 | /* Only look for directories */ | |
2619 | if (onlydirs && !strstr (&buff [len-5], "*.dir")) | |
2620 | strncat (buff, "*.dir", MAXPATH); | |
1fac938e | 2621 | |
9dfe12ae | 2622 | buff [MAXPATH - 1] = (char) 0; |
1fac938e | 2623 | |
2624 | decc$from_vms (buff, wildcard_translate_unix, 1); | |
2625 | ||
f15731c4 | 2626 | /* Remove the .dir extension. */ |
1fac938e | 2627 | if (onlydirs) |
2628 | { | |
2629 | int i; | |
2630 | char *ext; | |
2631 | ||
2632 | for (i = 0; i < new_canonical_filelist_in_use; i++) | |
2633 | { | |
f15731c4 | 2634 | ext = strstr (new_canonical_filelist[i], ".dir"); |
1fac938e | 2635 | if (ext) |
2636 | *ext = 0; | |
2637 | } | |
2638 | } | |
2639 | ||
2640 | return new_canonical_filelist_in_use; | |
2641 | } | |
2642 | ||
f15731c4 | 2643 | /* Return the next filespec in the list. */ |
1fac938e | 2644 | |
2645 | char * | |
2646 | __gnat_to_canonical_file_list_next () | |
2647 | { | |
f15731c4 | 2648 | return new_canonical_filelist[new_canonical_filelist_index++]; |
1fac938e | 2649 | } |
2650 | ||
f15731c4 | 2651 | /* Free storage used in the wildcard expansion. */ |
1fac938e | 2652 | |
2653 | void | |
2654 | __gnat_to_canonical_file_list_free () | |
2655 | { | |
2656 | int i; | |
2657 | ||
2658 | for (i = 0; i < new_canonical_filelist_in_use; i++) | |
f15731c4 | 2659 | free (new_canonical_filelist[i]); |
1fac938e | 2660 | |
2661 | free (new_canonical_filelist); | |
2662 | ||
2663 | new_canonical_filelist_in_use = 0; | |
2664 | new_canonical_filelist_allocated = 0; | |
2665 | new_canonical_filelist_index = 0; | |
2666 | new_canonical_filelist = 0; | |
2667 | } | |
2668 | ||
b12d3a0b | 2669 | /* The functional equivalent of decc$translate_vms routine. |
2670 | Designed to produce the same output, but is protected against | |
2671 | malformed paths (original version ACCVIOs in this case) and | |
2672 | does not require VMS-specific DECC RTL */ | |
2673 | ||
2674 | #define NAM$C_MAXRSS 1024 | |
2675 | ||
2676 | char * | |
2677 | __gnat_translate_vms (char *src) | |
2678 | { | |
2679 | static char retbuf [NAM$C_MAXRSS+1]; | |
2680 | char *srcendpos, *pos1, *pos2, *retpos; | |
2681 | int disp, path_present = 0; | |
2682 | ||
2683 | if (!src) return NULL; | |
2684 | ||
2685 | srcendpos = strchr (src, '\0'); | |
2686 | retpos = retbuf; | |
2687 | ||
2688 | /* Look for the node and/or device in front of the path */ | |
2689 | pos1 = src; | |
2690 | pos2 = strchr (pos1, ':'); | |
2691 | ||
2692 | if (pos2 && (pos2 < srcendpos) && (*(pos2 + 1) == ':')) { | |
2693 | /* There is a node name. "node_name::" becomes "node_name!" */ | |
2694 | disp = pos2 - pos1; | |
2695 | strncpy (retbuf, pos1, disp); | |
2696 | retpos [disp] = '!'; | |
2697 | retpos = retpos + disp + 1; | |
2698 | pos1 = pos2 + 2; | |
2699 | pos2 = strchr (pos1, ':'); | |
2700 | } | |
2701 | ||
2702 | if (pos2) { | |
2703 | /* There is a device name. "dev_name:" becomes "/dev_name/" */ | |
2704 | *(retpos++) = '/'; | |
2705 | disp = pos2 - pos1; | |
2706 | strncpy (retpos, pos1, disp); | |
2707 | retpos = retpos + disp; | |
2708 | pos1 = pos2 + 1; | |
2709 | *(retpos++) = '/'; | |
2710 | } | |
2711 | else | |
2712 | /* No explicit device; we must look ahead and prepend /sys$disk/ if | |
2713 | the path is absolute */ | |
2714 | if ((*pos1 == '[' || *pos1 == '<') && (pos1 < srcendpos) | |
2715 | && !strchr (".-]>", *(pos1 + 1))) { | |
2716 | strncpy (retpos, "/sys$disk/", 10); | |
2717 | retpos += 10; | |
2718 | } | |
2719 | ||
2720 | /* Process the path part */ | |
2721 | while (*pos1 == '[' || *pos1 == '<') { | |
2722 | path_present++; | |
2723 | pos1++; | |
2724 | if (*pos1 == ']' || *pos1 == '>') { | |
2725 | /* Special case, [] translates to '.' */ | |
2726 | *(retpos++) = '.'; | |
2727 | pos1++; | |
2728 | } | |
2729 | else { | |
2730 | /* '[000000' means root dir. It can be present in the middle of | |
2731 | the path due to expansion of logical devices, in which case | |
2732 | we skip it */ | |
2733 | if (!strncmp (pos1, "000000", 6) && path_present > 1 && | |
2734 | (*(pos1 + 6) == ']' || *(pos1 + 6) == '>' || *(pos1 + 6) == '.')) { | |
2735 | pos1 += 6; | |
2736 | if (*pos1 == '.') pos1++; | |
2737 | } | |
2738 | else if (*pos1 == '.') { | |
2739 | /* Relative path */ | |
2740 | *(retpos++) = '.'; | |
2741 | } | |
2742 | ||
2359306a | 2743 | /* There is a qualified path */ |
2744 | while (*pos1 && *pos1 != ']' && *pos1 != '>') { | |
b12d3a0b | 2745 | switch (*pos1) { |
2746 | case '.': | |
2747 | /* '.' is used to separate directories. Replace it with '/' but | |
2748 | only if there isn't already '/' just before */ | |
2749 | if (*(retpos - 1) != '/') *(retpos++) = '/'; | |
2750 | pos1++; | |
2751 | if (pos1 + 1 < srcendpos && *pos1 == '.' && *(pos1 + 1) == '.') { | |
2752 | /* ellipsis refers to entire subtree; replace with '**' */ | |
2753 | *(retpos++) = '*'; *(retpos++) = '*'; *(retpos++) = '/'; | |
2754 | pos1 += 2; | |
2755 | } | |
2756 | break; | |
2757 | case '-' : | |
2359306a | 2758 | /* When after '.' '[' '<' is equivalent to Unix ".." but there |
2759 | may be several in a row */ | |
2760 | if (*(pos1 - 1) == '.' || *(pos1 - 1) == '[' || | |
2761 | *(pos1 - 1) == '<') { | |
2762 | while (*pos1 == '-') { | |
2763 | pos1++; | |
2764 | *(retpos++) = '.'; *(retpos++) = '.'; *(retpos++) = '/'; | |
2765 | } | |
2766 | retpos--; | |
2767 | break; | |
b12d3a0b | 2768 | } |
2359306a | 2769 | /* otherwise fall through to default */ |
b12d3a0b | 2770 | default: |
2771 | *(retpos++) = *(pos1++); | |
2772 | } | |
2773 | } | |
2774 | pos1++; | |
2775 | } | |
2776 | } | |
2777 | ||
2778 | if (pos1 < srcendpos) { | |
2779 | /* Now add the actual file name, until the version suffix if any */ | |
2780 | if (path_present) *(retpos++) = '/'; | |
2781 | pos2 = strchr (pos1, ';'); | |
2782 | disp = pos2? (pos2 - pos1) : (srcendpos - pos1); | |
2783 | strncpy (retpos, pos1, disp); | |
2784 | retpos += disp; | |
2785 | if (pos2 && pos2 < srcendpos) { | |
2786 | /* There is a non-empty version suffix. ";<ver>" becomes ".<ver>" */ | |
2787 | *retpos++ = '.'; | |
2788 | disp = srcendpos - pos2 - 1; | |
2789 | strncpy (retpos, pos2 + 1, disp); | |
2790 | retpos += disp; | |
2791 | } | |
2792 | } | |
2793 | ||
2794 | *retpos = '\0'; | |
2795 | ||
2796 | return retbuf; | |
2797 | ||
2798 | } | |
2799 | ||
f15731c4 | 2800 | /* Translate a VMS syntax directory specification in to Unix syntax. If |
2801 | PREFIXFLAG is set, append an underscore "/". If no indicators of VMS syntax | |
2802 | found, return input string. Also translate a dirname that contains no | |
2803 | slashes, in case it's a logical name. */ | |
1fac938e | 2804 | |
2805 | char * | |
9dfe12ae | 2806 | __gnat_to_canonical_dir_spec (char *dirspec, int prefixflag) |
1fac938e | 2807 | { |
2808 | int len; | |
2809 | ||
2810 | strcpy (new_canonical_dirspec, ""); | |
2811 | if (strlen (dirspec)) | |
2812 | { | |
2813 | char *dirspec1; | |
2814 | ||
2815 | if (strchr (dirspec, ']') || strchr (dirspec, ':')) | |
9dfe12ae | 2816 | { |
2817 | strncpy (new_canonical_dirspec, | |
b12d3a0b | 2818 | __gnat_translate_vms (dirspec), |
9dfe12ae | 2819 | MAXPATH); |
2820 | } | |
1fac938e | 2821 | else if (!strchr (dirspec, '/') && (dirspec1 = getenv (dirspec)) != 0) |
9dfe12ae | 2822 | { |
2823 | strncpy (new_canonical_dirspec, | |
b12d3a0b | 2824 | __gnat_translate_vms (dirspec1), |
9dfe12ae | 2825 | MAXPATH); |
2826 | } | |
1fac938e | 2827 | else |
9dfe12ae | 2828 | { |
2829 | strncpy (new_canonical_dirspec, dirspec, MAXPATH); | |
2830 | } | |
1fac938e | 2831 | } |
2832 | ||
2833 | len = strlen (new_canonical_dirspec); | |
9dfe12ae | 2834 | if (prefixflag && new_canonical_dirspec [len-1] != '/') |
2835 | strncat (new_canonical_dirspec, "/", MAXPATH); | |
2836 | ||
2837 | new_canonical_dirspec [MAXPATH - 1] = (char) 0; | |
1fac938e | 2838 | |
2839 | return new_canonical_dirspec; | |
2840 | ||
2841 | } | |
2842 | ||
2843 | /* Translate a VMS syntax file specification into Unix syntax. | |
3cc2671a | 2844 | If no indicators of VMS syntax found, check if it's an uppercase |
23c6b287 | 2845 | alphanumeric_ name and if so try it out as an environment |
2846 | variable (logical name). If all else fails return the | |
2847 | input string. */ | |
1fac938e | 2848 | |
2849 | char * | |
9dfe12ae | 2850 | __gnat_to_canonical_file_spec (char *filespec) |
1fac938e | 2851 | { |
23c6b287 | 2852 | char *filespec1; |
2853 | ||
9dfe12ae | 2854 | strncpy (new_canonical_filespec, "", MAXPATH); |
2855 | ||
1fac938e | 2856 | if (strchr (filespec, ']') || strchr (filespec, ':')) |
9dfe12ae | 2857 | { |
2359306a | 2858 | char *tspec = (char *) __gnat_translate_vms (filespec); |
c69ba469 | 2859 | |
2860 | if (tspec != (char *) -1) | |
2861 | strncpy (new_canonical_filespec, tspec, MAXPATH); | |
23c6b287 | 2862 | } |
2863 | else if ((strlen (filespec) == strspn (filespec, | |
2864 | "ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789_")) | |
2865 | && (filespec1 = getenv (filespec))) | |
2866 | { | |
2359306a | 2867 | char *tspec = (char *) __gnat_translate_vms (filespec1); |
c69ba469 | 2868 | |
2869 | if (tspec != (char *) -1) | |
2870 | strncpy (new_canonical_filespec, tspec, MAXPATH); | |
9dfe12ae | 2871 | } |
1fac938e | 2872 | else |
9dfe12ae | 2873 | { |
2874 | strncpy (new_canonical_filespec, filespec, MAXPATH); | |
2875 | } | |
2876 | ||
2877 | new_canonical_filespec [MAXPATH - 1] = (char) 0; | |
1fac938e | 2878 | |
2879 | return new_canonical_filespec; | |
2880 | } | |
2881 | ||
2882 | /* Translate a VMS syntax path specification into Unix syntax. | |
f15731c4 | 2883 | If no indicators of VMS syntax found, return input string. */ |
1fac938e | 2884 | |
2885 | char * | |
9dfe12ae | 2886 | __gnat_to_canonical_path_spec (char *pathspec) |
1fac938e | 2887 | { |
9dfe12ae | 2888 | char *curr, *next, buff [MAXPATH]; |
1fac938e | 2889 | |
2890 | if (pathspec == 0) | |
2891 | return pathspec; | |
2892 | ||
f15731c4 | 2893 | /* If there are /'s, assume it's a Unix path spec and return. */ |
1fac938e | 2894 | if (strchr (pathspec, '/')) |
2895 | return pathspec; | |
2896 | ||
f15731c4 | 2897 | new_canonical_pathspec[0] = 0; |
1fac938e | 2898 | curr = pathspec; |
2899 | ||
2900 | for (;;) | |
2901 | { | |
2902 | next = strchr (curr, ','); | |
2903 | if (next == 0) | |
2904 | next = strchr (curr, 0); | |
2905 | ||
2906 | strncpy (buff, curr, next - curr); | |
f15731c4 | 2907 | buff[next - curr] = 0; |
1fac938e | 2908 | |
f15731c4 | 2909 | /* Check for wildcards and expand if present. */ |
1fac938e | 2910 | if (strchr (buff, '*') || strchr (buff, '%') || strstr (buff, "...")) |
2911 | { | |
2912 | int i, dirs; | |
2913 | ||
2914 | dirs = __gnat_to_canonical_file_list_init (buff, 1); | |
2915 | for (i = 0; i < dirs; i++) | |
2916 | { | |
2917 | char *next_dir; | |
2918 | ||
2919 | next_dir = __gnat_to_canonical_file_list_next (); | |
9dfe12ae | 2920 | strncat (new_canonical_pathspec, next_dir, MAXPATH); |
1fac938e | 2921 | |
f15731c4 | 2922 | /* Don't append the separator after the last expansion. */ |
1fac938e | 2923 | if (i+1 < dirs) |
9dfe12ae | 2924 | strncat (new_canonical_pathspec, ":", MAXPATH); |
1fac938e | 2925 | } |
2926 | ||
2927 | __gnat_to_canonical_file_list_free (); | |
2928 | } | |
2929 | else | |
9dfe12ae | 2930 | strncat (new_canonical_pathspec, |
2931 | __gnat_to_canonical_dir_spec (buff, 0), MAXPATH); | |
1fac938e | 2932 | |
2933 | if (*next == 0) | |
2934 | break; | |
2935 | ||
9dfe12ae | 2936 | strncat (new_canonical_pathspec, ":", MAXPATH); |
1fac938e | 2937 | curr = next + 1; |
2938 | } | |
2939 | ||
9dfe12ae | 2940 | new_canonical_pathspec [MAXPATH - 1] = (char) 0; |
2941 | ||
1fac938e | 2942 | return new_canonical_pathspec; |
2943 | } | |
2944 | ||
9dfe12ae | 2945 | static char filename_buff [MAXPATH]; |
1fac938e | 2946 | |
2947 | static int | |
9dfe12ae | 2948 | translate_unix (char *name, int type) |
1fac938e | 2949 | { |
9dfe12ae | 2950 | strncpy (filename_buff, name, MAXPATH); |
2951 | filename_buff [MAXPATH - 1] = (char) 0; | |
1fac938e | 2952 | return 0; |
2953 | } | |
2954 | ||
f15731c4 | 2955 | /* Translate a Unix syntax path spec into a VMS style (comma separated list of |
2956 | directories. */ | |
1fac938e | 2957 | |
2958 | static char * | |
9dfe12ae | 2959 | to_host_path_spec (char *pathspec) |
1fac938e | 2960 | { |
9dfe12ae | 2961 | char *curr, *next, buff [MAXPATH]; |
1fac938e | 2962 | |
2963 | if (pathspec == 0) | |
2964 | return pathspec; | |
2965 | ||
f15731c4 | 2966 | /* Can't very well test for colons, since that's the Unix separator! */ |
1fac938e | 2967 | if (strchr (pathspec, ']') || strchr (pathspec, ',')) |
2968 | return pathspec; | |
2969 | ||
f15731c4 | 2970 | new_host_pathspec[0] = 0; |
1fac938e | 2971 | curr = pathspec; |
2972 | ||
2973 | for (;;) | |
2974 | { | |
2975 | next = strchr (curr, ':'); | |
2976 | if (next == 0) | |
2977 | next = strchr (curr, 0); | |
2978 | ||
2979 | strncpy (buff, curr, next - curr); | |
f15731c4 | 2980 | buff[next - curr] = 0; |
1fac938e | 2981 | |
9dfe12ae | 2982 | strncat (new_host_pathspec, __gnat_to_host_dir_spec (buff, 0), MAXPATH); |
1fac938e | 2983 | if (*next == 0) |
2984 | break; | |
9dfe12ae | 2985 | strncat (new_host_pathspec, ",", MAXPATH); |
1fac938e | 2986 | curr = next + 1; |
2987 | } | |
2988 | ||
9dfe12ae | 2989 | new_host_pathspec [MAXPATH - 1] = (char) 0; |
2990 | ||
1fac938e | 2991 | return new_host_pathspec; |
2992 | } | |
2993 | ||
f15731c4 | 2994 | /* Translate a Unix syntax directory specification into VMS syntax. The |
2995 | PREFIXFLAG has no effect, but is kept for symmetry with | |
2996 | to_canonical_dir_spec. If indicators of VMS syntax found, return input | |
2997 | string. */ | |
1fac938e | 2998 | |
2999 | char * | |
9dfe12ae | 3000 | __gnat_to_host_dir_spec (char *dirspec, int prefixflag ATTRIBUTE_UNUSED) |
1fac938e | 3001 | { |
3002 | int len = strlen (dirspec); | |
3003 | ||
9dfe12ae | 3004 | strncpy (new_host_dirspec, dirspec, MAXPATH); |
3005 | new_host_dirspec [MAXPATH - 1] = (char) 0; | |
1fac938e | 3006 | |
3007 | if (strchr (new_host_dirspec, ']') || strchr (new_host_dirspec, ':')) | |
3008 | return new_host_dirspec; | |
3009 | ||
f15731c4 | 3010 | while (len > 1 && new_host_dirspec[len - 1] == '/') |
1fac938e | 3011 | { |
f15731c4 | 3012 | new_host_dirspec[len - 1] = 0; |
1fac938e | 3013 | len--; |
3014 | } | |
3015 | ||
3016 | decc$to_vms (new_host_dirspec, translate_unix, 1, 2); | |
9dfe12ae | 3017 | strncpy (new_host_dirspec, filename_buff, MAXPATH); |
3018 | new_host_dirspec [MAXPATH - 1] = (char) 0; | |
1fac938e | 3019 | |
3020 | return new_host_dirspec; | |
1fac938e | 3021 | } |
3022 | ||
3023 | /* Translate a Unix syntax file specification into VMS syntax. | |
f15731c4 | 3024 | If indicators of VMS syntax found, return input string. */ |
1fac938e | 3025 | |
3026 | char * | |
9dfe12ae | 3027 | __gnat_to_host_file_spec (char *filespec) |
1fac938e | 3028 | { |
9dfe12ae | 3029 | strncpy (new_host_filespec, "", MAXPATH); |
1fac938e | 3030 | if (strchr (filespec, ']') || strchr (filespec, ':')) |
9dfe12ae | 3031 | { |
3032 | strncpy (new_host_filespec, filespec, MAXPATH); | |
3033 | } | |
1fac938e | 3034 | else |
3035 | { | |
3036 | decc$to_vms (filespec, translate_unix, 1, 1); | |
9dfe12ae | 3037 | strncpy (new_host_filespec, filename_buff, MAXPATH); |
1fac938e | 3038 | } |
3039 | ||
9dfe12ae | 3040 | new_host_filespec [MAXPATH - 1] = (char) 0; |
3041 | ||
1fac938e | 3042 | return new_host_filespec; |
3043 | } | |
3044 | ||
3045 | void | |
3046 | __gnat_adjust_os_resource_limits () | |
3047 | { | |
3048 | SYS$ADJWSL (131072, 0); | |
3049 | } | |
3050 | ||
9dfe12ae | 3051 | #else /* VMS */ |
1fac938e | 3052 | |
f15731c4 | 3053 | /* Dummy functions for Osint import for non-VMS systems. */ |
1fac938e | 3054 | |
3055 | int | |
9dfe12ae | 3056 | __gnat_to_canonical_file_list_init |
3057 | (char *dirspec ATTRIBUTE_UNUSED, int onlydirs ATTRIBUTE_UNUSED) | |
1fac938e | 3058 | { |
3059 | return 0; | |
3060 | } | |
3061 | ||
3062 | char * | |
6f2c2693 | 3063 | __gnat_to_canonical_file_list_next (void) |
1fac938e | 3064 | { |
3065 | return (char *) ""; | |
3066 | } | |
3067 | ||
3068 | void | |
6f2c2693 | 3069 | __gnat_to_canonical_file_list_free (void) |
1fac938e | 3070 | { |
3071 | } | |
3072 | ||
3073 | char * | |
9dfe12ae | 3074 | __gnat_to_canonical_dir_spec (char *dirspec, int prefixflag ATTRIBUTE_UNUSED) |
1fac938e | 3075 | { |
3076 | return dirspec; | |
3077 | } | |
3078 | ||
3079 | char * | |
9dfe12ae | 3080 | __gnat_to_canonical_file_spec (char *filespec) |
1fac938e | 3081 | { |
3082 | return filespec; | |
3083 | } | |
3084 | ||
3085 | char * | |
9dfe12ae | 3086 | __gnat_to_canonical_path_spec (char *pathspec) |
1fac938e | 3087 | { |
3088 | return pathspec; | |
3089 | } | |
3090 | ||
3091 | char * | |
9dfe12ae | 3092 | __gnat_to_host_dir_spec (char *dirspec, int prefixflag ATTRIBUTE_UNUSED) |
1fac938e | 3093 | { |
3094 | return dirspec; | |
3095 | } | |
3096 | ||
3097 | char * | |
9dfe12ae | 3098 | __gnat_to_host_file_spec (char *filespec) |
1fac938e | 3099 | { |
3100 | return filespec; | |
3101 | } | |
3102 | ||
3103 | void | |
6f2c2693 | 3104 | __gnat_adjust_os_resource_limits (void) |
1fac938e | 3105 | { |
3106 | } | |
3107 | ||
3108 | #endif | |
3109 | ||
f15731c4 | 3110 | /* For EMX, we cannot include dummy in libgcc, since it is too difficult |
1fac938e | 3111 | to coordinate this with the EMX distribution. Consequently, we put the |
f15731c4 | 3112 | definition of dummy which is used for exception handling, here. */ |
1fac938e | 3113 | |
3114 | #if defined (__EMX__) | |
3115 | void __dummy () {} | |
3116 | #endif | |
3117 | ||
3118 | #if defined (__mips_vxworks) | |
9dfe12ae | 3119 | int |
3120 | _flush_cache() | |
1fac938e | 3121 | { |
3122 | CACHE_USER_FLUSH (0, ENTIRE_CACHE); | |
3123 | } | |
3124 | #endif | |
3125 | ||
29d774d0 | 3126 | #if defined (CROSS_DIRECTORY_STRUCTURE) \ |
a3b0f4f2 | 3127 | || (! ((defined (sparc) || defined (i386)) && defined (sun) \ |
3128 | && defined (__SVR4)) \ | |
c69ba469 | 3129 | && ! (defined (linux) && (defined (i386) || defined (__x86_64__))) \ |
a3b0f4f2 | 3130 | && ! (defined (linux) && defined (__ia64__)) \ |
547371fa | 3131 | && ! (defined (linux) && defined (powerpc)) \ |
40a4417a | 3132 | && ! defined (__FreeBSD__) \ |
21a87c1d | 3133 | && ! defined (__hpux__) \ |
ba706ed3 | 3134 | && ! defined (__APPLE__) \ |
9dfe12ae | 3135 | && ! defined (_AIX) \ |
1fac938e | 3136 | && ! (defined (__alpha__) && defined (__osf__)) \ |
3b18b370 | 3137 | && ! defined (VMS) \ |
80d4fec4 | 3138 | && ! defined (__MINGW32__) \ |
3139 | && ! (defined (__mips) && defined (__sgi))) | |
f15731c4 | 3140 | |
a3b0f4f2 | 3141 | /* Dummy function to satisfy g-trasym.o. See the preprocessor conditional |
3142 | just above for a list of native platforms that provide a non-dummy | |
3143 | version of this procedure in libaddr2line.a. */ | |
1fac938e | 3144 | |
3145 | void | |
1e622f0e | 3146 | convert_addresses (const char *file_name ATTRIBUTE_UNUSED, |
3147 | void *addrs ATTRIBUTE_UNUSED, | |
9dfe12ae | 3148 | int n_addr ATTRIBUTE_UNUSED, |
3149 | void *buf ATTRIBUTE_UNUSED, | |
3150 | int *len ATTRIBUTE_UNUSED) | |
1fac938e | 3151 | { |
3152 | *len = 0; | |
3153 | } | |
3154 | #endif | |
f15731c4 | 3155 | |
3156 | #if defined (_WIN32) | |
3157 | int __gnat_argument_needs_quote = 1; | |
3158 | #else | |
3159 | int __gnat_argument_needs_quote = 0; | |
3160 | #endif | |
9dfe12ae | 3161 | |
3162 | /* This option is used to enable/disable object files handling from the | |
3163 | binder file by the GNAT Project module. For example, this is disabled on | |
e0f42093 | 3164 | Windows (prior to GCC 3.4) as it is already done by the mdll module. |
3165 | Stating with GCC 3.4 the shared libraries are not based on mdll | |
3166 | anymore as it uses the GCC's -shared option */ | |
3167 | #if defined (_WIN32) \ | |
3168 | && ((__GNUC__ < 3) || ((__GNUC__ == 3) && (__GNUC_MINOR__ < 4))) | |
9dfe12ae | 3169 | int __gnat_prj_add_obj_files = 0; |
3170 | #else | |
3171 | int __gnat_prj_add_obj_files = 1; | |
3172 | #endif | |
3173 | ||
3174 | /* char used as prefix/suffix for environment variables */ | |
3175 | #if defined (_WIN32) | |
3176 | char __gnat_environment_char = '%'; | |
3177 | #else | |
3178 | char __gnat_environment_char = '$'; | |
3179 | #endif | |
3180 | ||
3181 | /* This functions copy the file attributes from a source file to a | |
3182 | destination file. | |
3183 | ||
3184 | mode = 0 : In this mode copy only the file time stamps (last access and | |
3185 | last modification time stamps). | |
3186 | ||
3187 | mode = 1 : In this mode, time stamps and read/write/execute attributes are | |
3188 | copied. | |
3189 | ||
3190 | Returns 0 if operation was successful and -1 in case of error. */ | |
3191 | ||
3192 | int | |
3193 | __gnat_copy_attribs (char *from, char *to, int mode) | |
3194 | { | |
5091bc2f | 3195 | #if defined (VMS) || defined (__vxworks) || defined (__nucleus__) |
9dfe12ae | 3196 | return -1; |
3197 | #else | |
3198 | struct stat fbuf; | |
3199 | struct utimbuf tbuf; | |
3200 | ||
3201 | if (stat (from, &fbuf) == -1) | |
3202 | { | |
3203 | return -1; | |
3204 | } | |
3205 | ||
3206 | tbuf.actime = fbuf.st_atime; | |
3207 | tbuf.modtime = fbuf.st_mtime; | |
3208 | ||
3209 | if (utime (to, &tbuf) == -1) | |
3210 | { | |
3211 | return -1; | |
3212 | } | |
3213 | ||
3214 | if (mode == 1) | |
3215 | { | |
3216 | if (chmod (to, fbuf.st_mode) == -1) | |
3217 | { | |
3218 | return -1; | |
3219 | } | |
3220 | } | |
3221 | ||
3222 | return 0; | |
3223 | #endif | |
3224 | } | |
3225 | ||
cf6d853e | 3226 | int |
3227 | __gnat_lseek (int fd, long offset, int whence) | |
3228 | { | |
3229 | return (int) lseek (fd, offset, whence); | |
3230 | } | |
0914a918 | 3231 | |
e2c62f37 | 3232 | /* This function returns the major version number of GCC being used. */ |
0914a918 | 3233 | int |
3234 | get_gcc_version (void) | |
3235 | { | |
e2c62f37 | 3236 | #ifdef IN_RTS |
3237 | return __GNUC__; | |
3238 | #else | |
3239 | return (int) (version_string[0] - '0'); | |
3240 | #endif | |
0914a918 | 3241 | } |
6d9c3443 | 3242 | |
3243 | int | |
de10c095 | 3244 | __gnat_set_close_on_exec (int fd ATTRIBUTE_UNUSED, |
0e9e8338 | 3245 | int close_on_exec_p ATTRIBUTE_UNUSED) |
6d9c3443 | 3246 | { |
3247 | #if defined (F_GETFD) && defined (FD_CLOEXEC) && ! defined (__vxworks) | |
3248 | int flags = fcntl (fd, F_GETFD, 0); | |
3249 | if (flags < 0) | |
3250 | return flags; | |
3251 | if (close_on_exec_p) | |
3252 | flags |= FD_CLOEXEC; | |
3253 | else | |
3254 | flags &= ~FD_CLOEXEC; | |
3255 | return fcntl (fd, F_SETFD, flags | FD_CLOEXEC); | |
07f34887 | 3256 | #elif defined(_WIN32) |
3257 | HANDLE h = (HANDLE) _get_osfhandle (fd); | |
3258 | if (h == (HANDLE) -1) | |
3259 | return -1; | |
3260 | if (close_on_exec_p) | |
3261 | return ! SetHandleInformation (h, HANDLE_FLAG_INHERIT, 0); | |
3262 | return ! SetHandleInformation (h, HANDLE_FLAG_INHERIT, | |
3263 | HANDLE_FLAG_INHERIT); | |
6d9c3443 | 3264 | #else |
07f34887 | 3265 | /* TODO: Unimplemented. */ |
6d9c3443 | 3266 | return -1; |
6d9c3443 | 3267 | #endif |
3268 | } | |
fb31b465 | 3269 | |
3270 | /* Indicates if platforms supports automatic initialization through the | |
3271 | constructor mechanism */ | |
3272 | int | |
3273 | __gnat_binder_supports_auto_init () | |
3274 | { | |
3275 | #ifdef VMS | |
3276 | return 0; | |
3277 | #else | |
3278 | return 1; | |
3279 | #endif | |
3280 | } | |
3281 | ||
3282 | /* Indicates that Stand-Alone Libraries are automatically initialized through | |
3283 | the constructor mechanism */ | |
3284 | int | |
3285 | __gnat_sals_init_using_constructors () | |
3286 | { | |
3287 | #if defined (__vxworks) || defined (__Lynx__) || defined (VMS) | |
3288 | return 0; | |
3289 | #else | |
3290 | return 1; | |
3291 | #endif | |
3292 | } | |
e2a33c18 | 3293 | |
8e726ab4 | 3294 | #ifdef RTX |
3295 | ||
e2a33c18 | 3296 | /* In RTX mode, the procedure to get the time (as file time) is different |
3297 | in RTSS mode and Win32 mode. In order to avoid duplicating an Ada file, | |
3298 | we introduce an intermediate procedure to link against the corresponding | |
3299 | one in each situation. */ | |
8e726ab4 | 3300 | |
3301 | extern void GetTimeAsFileTime(LPFILETIME pTime); | |
e2a33c18 | 3302 | |
3303 | void GetTimeAsFileTime(LPFILETIME pTime) | |
3304 | { | |
3305 | #ifdef RTSS | |
3306 | RtGetRtssTimeAsFileTime (pTime); /* RTSS interface */ | |
3307 | #else | |
3308 | GetSystemTimeAsFileTime (pTime); /* w32 interface */ | |
3309 | #endif | |
3310 | } | |
8e726ab4 | 3311 | |
3312 | #ifdef RTSS | |
3313 | /* Add symbol that is required to link. It would otherwise be taken from | |
3314 | libgcc.a and it would try to use the gcc constructors that are not | |
3315 | supported by Microsoft linker. */ | |
3316 | ||
3317 | extern void __main (void); | |
3318 | ||
3319 | void __main (void) {} | |
3320 | #endif | |
e2a33c18 | 3321 | #endif |
3322 | ||
9d093602 | 3323 | #if defined (linux) || defined(__GLIBC__) |
e2a33c18 | 3324 | /* pthread affinity support */ |
3325 | ||
c62e34a4 | 3326 | int __gnat_pthread_setaffinity_np (pthread_t th, |
3327 | size_t cpusetsize, | |
3328 | const void *cpuset); | |
3329 | ||
e2a33c18 | 3330 | #ifdef CPU_SETSIZE |
3331 | #include <pthread.h> | |
3332 | int | |
3333 | __gnat_pthread_setaffinity_np (pthread_t th, | |
3334 | size_t cpusetsize, | |
3335 | const cpu_set_t *cpuset) | |
3336 | { | |
3337 | return pthread_setaffinity_np (th, cpusetsize, cpuset); | |
3338 | } | |
3339 | #else | |
3340 | int | |
c62e34a4 | 3341 | __gnat_pthread_setaffinity_np (pthread_t th ATTRIBUTE_UNUSED, |
3342 | size_t cpusetsize ATTRIBUTE_UNUSED, | |
3343 | const void *cpuset ATTRIBUTE_UNUSED) | |
e2a33c18 | 3344 | { |
3345 | return 0; | |
3346 | } | |
3347 | #endif | |
3348 | #endif |