]>
Commit | Line | Data |
---|---|---|
d23b8f57 RK |
1 | /**************************************************************************** |
2 | * * | |
3 | * GNAT COMPILER COMPONENTS * | |
4 | * * | |
5 | * A D A I N T * | |
6 | * * | |
d23b8f57 RK |
7 | * C Implementation File * |
8 | * * | |
1d005acc | 9 | * Copyright (C) 1992-2019, Free Software Foundation, Inc. * |
d23b8f57 RK |
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- * | |
748086b7 | 13 | * ware Foundation; either version 3, or (at your option) any later ver- * |
d23b8f57 RK |
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 * | |
748086b7 JJ |
16 | * or FITNESS FOR A PARTICULAR PURPOSE. * |
17 | * * | |
18 | * As a special exception under Section 7 of GPL version 3, you are granted * | |
19 | * additional permissions described in the GCC Runtime Library Exception, * | |
20 | * version 3.1, as published by the Free Software Foundation. * | |
21 | * * | |
22 | * You should have received a copy of the GNU General Public License and * | |
23 | * a copy of the GCC Runtime Library Exception along with this program; * | |
24 | * see the files COPYING3 and COPYING.RUNTIME respectively. If not, see * | |
25 | * <http://www.gnu.org/licenses/>. * | |
d23b8f57 RK |
26 | * * |
27 | * GNAT was originally developed by the GNAT team at New York University. * | |
71ff80dc | 28 | * Extensive contributions were provided by Ada Core Technologies Inc. * |
d23b8f57 RK |
29 | * * |
30 | ****************************************************************************/ | |
31 | ||
07fc65c4 GB |
32 | /* This file contains those routines named by Import pragmas in |
33 | packages in the GNAT hierarchy (especially GNAT.OS_Lib) and in | |
34 | package Osint. Many of the subprograms in OS_Lib import standard | |
35 | library calls directly. This file contains all other routines. */ | |
d23b8f57 | 36 | |
783d035b | 37 | /* Ensure access to errno is thread safe. */ |
5c7cf10a AC |
38 | |
39 | #ifndef _REENTRANT | |
6907542d | 40 | #define _REENTRANT |
5c7cf10a AC |
41 | #endif |
42 | ||
43 | #ifndef _THREAD_SAFE | |
6907542d | 44 | #define _THREAD_SAFE |
5c7cf10a | 45 | #endif |
6907542d | 46 | |
ddbc55d8 | 47 | /* Use 64 bit Large File API */ |
9820b389 JL |
48 | #if defined (__QNX__) |
49 | #define _LARGEFILE64_SOURCE 1 | |
50 | #elif !defined(_LARGEFILE_SOURCE) | |
ddbc55d8 AC |
51 | #define _LARGEFILE_SOURCE |
52 | #endif | |
53 | #define _FILE_OFFSET_BITS 64 | |
54 | ||
d23b8f57 | 55 | #ifdef __vxworks |
07fc65c4 GB |
56 | |
57 | /* No need to redefine exit here. */ | |
d23b8f57 | 58 | #undef exit |
07fc65c4 | 59 | |
d23b8f57 RK |
60 | /* We want to use the POSIX variants of include files. */ |
61 | #define POSIX | |
62 | #include "vxWorks.h" | |
63 | ||
64 | #if defined (__mips_vxworks) | |
65 | #include "cacheLib.h" | |
66 | #endif /* __mips_vxworks */ | |
67 | ||
6a2e5d0f AC |
68 | /* If SMP, access vxCpuConfiguredGet */ |
69 | #ifdef _WRS_CONFIG_SMP | |
70 | #include <vxCpuLib.h> | |
71 | #endif /* _WRS_CONFIG_SMP */ | |
72 | ||
406935b6 AC |
73 | /* We need to know the VxWorks version because some file operations |
74 | (such as chmod) are only available on VxWorks 6. */ | |
75 | #include "version.h" | |
76 | ||
82fa20a2 FK |
77 | /* vwModNum.h and dosFsLib.h are needed for the VxWorks 6 rename workaround. |
78 | See below. */ | |
79 | #if (_WRS_VXWORKS_MAJOR == 6) | |
80 | #include <vwModNum.h> | |
81 | #include <dosFsLib.h> | |
82 | #endif /* 6.x */ | |
d23b8f57 RK |
83 | #endif /* VxWorks */ |
84 | ||
b24513a1 | 85 | #if defined (__APPLE__) |
20261dc1 AC |
86 | #include <unistd.h> |
87 | #endif | |
88 | ||
89 | #if defined (__hpux__) | |
90 | #include <sys/param.h> | |
91 | #include <sys/pstat.h> | |
92 | #endif | |
93 | ||
a1d3851b AC |
94 | #ifdef __PikeOS__ |
95 | #define __BSD_VISIBLE 1 | |
96 | #endif | |
97 | ||
9820b389 JL |
98 | #ifdef __QNX__ |
99 | #include <sys/syspage.h> | |
c9e80306 JL |
100 | #endif |
101 | ||
d23b8f57 | 102 | #ifdef IN_RTS |
a6fc663e AC |
103 | |
104 | #ifdef STANDALONE | |
105 | #include <errno.h> | |
106 | #include <sys/types.h> | |
107 | #include <sys/stat.h> | |
108 | #include <unistd.h> | |
109 | #include <stdlib.h> | |
110 | #include <string.h> | |
111 | ||
112 | /* for CPU_SET/CPU_ZERO */ | |
113 | #define _GNU_SOURCE | |
114 | #define __USE_GNU | |
115 | ||
116 | #include "runtime.h" | |
117 | ||
118 | #else | |
d23b8f57 RK |
119 | #include "tconfig.h" |
120 | #include "tsystem.h" | |
a6fc663e AC |
121 | #endif |
122 | ||
d23b8f57 RK |
123 | #include <sys/stat.h> |
124 | #include <fcntl.h> | |
125 | #include <time.h> | |
126 | ||
3c55062f BB |
127 | #if defined (__vxworks) || defined (__ANDROID__) |
128 | /* S_IREAD and S_IWRITE are not defined in VxWorks or Android */ | |
406935b6 AC |
129 | #ifndef S_IREAD |
130 | #define S_IREAD (S_IRUSR | S_IRGRP | S_IROTH) | |
131 | #endif | |
132 | ||
133 | #ifndef S_IWRITE | |
134 | #define S_IWRITE (S_IWUSR) | |
135 | #endif | |
136 | #endif | |
137 | ||
07fc65c4 | 138 | /* We don't have libiberty, so use malloc. */ |
d23b8f57 | 139 | #define xmalloc(S) malloc (S) |
07fc65c4 | 140 | #define xrealloc(V,S) realloc (V,S) |
d23b8f57 RK |
141 | #else |
142 | #include "config.h" | |
143 | #include "system.h" | |
18f22284 | 144 | #include "version.h" |
d23b8f57 | 145 | #endif |
fbf5a39b | 146 | |
8afd02aa EB |
147 | #ifdef __cplusplus |
148 | extern "C" { | |
149 | #endif | |
150 | ||
91f2eb13 AP |
151 | #if defined (__DJGPP__) |
152 | ||
153 | /* For isalpha-like tests in the compiler, we're expected to resort to | |
154 | safe-ctype.h/ISALPHA. This isn't available for the runtime library | |
155 | build, so we fallback on ctype.h/isalpha there. */ | |
156 | ||
157 | #ifdef IN_RTS | |
158 | #include <ctype.h> | |
159 | #define ISALPHA isalpha | |
160 | #endif | |
161 | ||
162 | #elif defined (__MINGW32__) || defined (__CYGWIN__) | |
4017021b | 163 | |
fbf5a39b | 164 | #include "mingw32.h" |
ffec8e81 | 165 | |
c624298a | 166 | /* Current code page and CCS encoding to use, set in initialize.c. */ |
ca0eb951 AC |
167 | UINT __gnat_current_codepage; |
168 | UINT __gnat_current_ccs_encoding; | |
4017021b | 169 | |
fbf5a39b | 170 | #include <sys/utime.h> |
dd7ac716 OH |
171 | |
172 | /* For isalpha-like tests in the compiler, we're expected to resort to | |
173 | safe-ctype.h/ISALPHA. This isn't available for the runtime library | |
174 | build, so we fallback on ctype.h/isalpha there. */ | |
175 | ||
176 | #ifdef IN_RTS | |
25412599 | 177 | #include <ctype.h> |
dd7ac716 OH |
178 | #define ISALPHA isalpha |
179 | #endif | |
8dfea8e7 OH |
180 | |
181 | #elif defined (__Lynx__) | |
182 | ||
183 | /* Lynx utime.h only defines the entities of interest to us if | |
184 | defined (VMOS_DEV), so ... */ | |
185 | #define VMOS_DEV | |
186 | #include <utime.h> | |
187 | #undef VMOS_DEV | |
188 | ||
e08add8e | 189 | #else |
fbf5a39b | 190 | #include <utime.h> |
fbf5a39b AC |
191 | #endif |
192 | ||
aace458a | 193 | /* wait.h processing */ |
fbf5a39b | 194 | #ifdef __MINGW32__ |
a1d3851b AC |
195 | # if OLD_MINGW |
196 | # include <sys/wait.h> | |
197 | # endif | |
b9260c3d | 198 | #elif defined (__vxworks) && defined (__RTP__) |
a1d3851b | 199 | # include <wait.h> |
8dfea8e7 OH |
200 | #elif defined (__Lynx__) |
201 | /* ??? We really need wait.h and it includes resource.h on Lynx. GCC | |
202 | has a resource.h header as well, included instead of the lynx | |
203 | version in our setup, causing lots of errors. We don't really need | |
204 | the lynx contents of this file, so just workaround the issue by | |
205 | preventing the inclusion of the GCC header from doing anything. */ | |
a1d3851b AC |
206 | # define GCC_RESOURCE_H |
207 | # include <sys/wait.h> | |
5ae7c3cf | 208 | #elif defined (__PikeOS__) |
5644b7e8 | 209 | /* No wait() or waitpid() calls available. */ |
fbf5a39b | 210 | #else |
5644b7e8 | 211 | /* Default case. */ |
fbf5a39b AC |
212 | #include <sys/wait.h> |
213 | #endif | |
d23b8f57 | 214 | |
91f2eb13 | 215 | #if defined (__DJGPP__) |
d23b8f57 | 216 | #include <process.h> |
3fee081a | 217 | #include <signal.h> |
d23b8f57 | 218 | #include <dir.h> |
91f2eb13 AP |
219 | #include <utime.h> |
220 | #undef DIR_SEPARATOR | |
221 | #define DIR_SEPARATOR '\\' | |
222 | ||
223 | #elif defined (_WIN32) | |
224 | ||
d23b8f57 | 225 | #include <windows.h> |
d559d5c6 AC |
226 | #include <accctrl.h> |
227 | #include <aclapi.h> | |
287aa0ed | 228 | #include <tlhelp32.h> |
061ee396 | 229 | #include <signal.h> |
3984e89a AC |
230 | #undef DIR_SEPARATOR |
231 | #define DIR_SEPARATOR '\\' | |
e08add8e AC |
232 | |
233 | #else | |
234 | #include <utime.h> | |
d23b8f57 RK |
235 | #endif |
236 | ||
237 | #include "adaint.h" | |
238 | ||
239 | /* Define symbols O_BINARY and O_TEXT as harmless zeroes if they are not | |
240 | defined in the current system. On DOS-like systems these flags control | |
241 | whether the file is opened/created in text-translation mode (CR/LF in | |
242 | external file mapped to LF in internal file), but in Unix-like systems, | |
243 | no text translation is required, so these flags have no effect. */ | |
244 | ||
d23b8f57 RK |
245 | #ifndef O_BINARY |
246 | #define O_BINARY 0 | |
247 | #endif | |
248 | ||
249 | #ifndef O_TEXT | |
250 | #define O_TEXT 0 | |
251 | #endif | |
252 | ||
253 | #ifndef HOST_EXECUTABLE_SUFFIX | |
254 | #define HOST_EXECUTABLE_SUFFIX "" | |
255 | #endif | |
256 | ||
257 | #ifndef HOST_OBJECT_SUFFIX | |
258 | #define HOST_OBJECT_SUFFIX ".o" | |
259 | #endif | |
260 | ||
261 | #ifndef PATH_SEPARATOR | |
262 | #define PATH_SEPARATOR ':' | |
263 | #endif | |
264 | ||
265 | #ifndef DIR_SEPARATOR | |
266 | #define DIR_SEPARATOR '/' | |
267 | #endif | |
268 | ||
5644b7e8 | 269 | /* Check for cross-compilation. */ |
bf327c92 AC |
270 | #if defined (CROSS_COMPILE) || defined (CROSS_DIRECTORY_STRUCTURE) |
271 | #define IS_CROSS 1 | |
514c9ddc AC |
272 | int __gnat_is_cross_compiler = 1; |
273 | #else | |
bf327c92 | 274 | #undef IS_CROSS |
514c9ddc AC |
275 | int __gnat_is_cross_compiler = 0; |
276 | #endif | |
277 | ||
d23b8f57 RK |
278 | char __gnat_dir_separator = DIR_SEPARATOR; |
279 | ||
280 | char __gnat_path_separator = PATH_SEPARATOR; | |
281 | ||
282 | /* The GNAT_LIBRARY_TEMPLATE contains a list of expressions that define | |
283 | the base filenames that libraries specified with -lsomelib options | |
284 | may have. This is used by GNATMAKE to check whether an executable | |
285 | is up-to-date or not. The syntax is | |
286 | ||
287 | library_template ::= { pattern ; } pattern NUL | |
288 | pattern ::= [ prefix ] * [ postfix ] | |
289 | ||
290 | These should only specify names of static libraries as it makes | |
291 | no sense to determine at link time if dynamic-link libraries are | |
292 | up to date or not. Any libraries that are not found are supposed | |
293 | to be up-to-date: | |
294 | ||
295 | * if they are needed but not present, the link | |
296 | will fail, | |
297 | ||
298 | * otherwise they are libraries in the system paths and so | |
299 | they are considered part of the system and not checked | |
300 | for that reason. | |
301 | ||
302 | ??? This should be part of a GNAT host-specific compiler | |
303 | file instead of being included in all user applications | |
07fc65c4 | 304 | as well. This is only a temporary work-around for 3.11b. */ |
d23b8f57 RK |
305 | |
306 | #ifndef GNAT_LIBRARY_TEMPLATE | |
d23b8f57 RK |
307 | #define GNAT_LIBRARY_TEMPLATE "lib*.a" |
308 | #endif | |
d23b8f57 RK |
309 | |
310 | const char *__gnat_library_template = GNAT_LIBRARY_TEMPLATE; | |
311 | ||
5ae7c3cf | 312 | #if defined (__vxworks) |
fbf5a39b AC |
313 | #define GNAT_MAX_PATH_LEN PATH_MAX |
314 | ||
315 | #else | |
316 | ||
317 | #if defined (__MINGW32__) | |
318 | #include "mingw32.h" | |
319 | ||
320 | #if OLD_MINGW | |
321 | #include <sys/param.h> | |
322 | #endif | |
019310ac FW |
323 | |
324 | #else | |
325 | #include <sys/param.h> | |
fbf5a39b AC |
326 | #endif |
327 | ||
b654d8ce | 328 | #ifdef MAXPATHLEN |
fbf5a39b | 329 | #define GNAT_MAX_PATH_LEN MAXPATHLEN |
b654d8ce AC |
330 | #else |
331 | #define GNAT_MAX_PATH_LEN 256 | |
332 | #endif | |
019310ac FW |
333 | |
334 | #endif | |
335 | ||
c6d2191a AC |
336 | /* Used for runtime check that Ada constant File_Attributes_Size is no |
337 | less than the actual size of struct file_attributes (see Osint | |
338 | initialization). */ | |
9e9bd455 | 339 | int __gnat_size_of_file_attributes = sizeof (struct file_attributes); |
48263c9a | 340 | |
48263c9a EB |
341 | void __gnat_stat_to_attr (int fd, char* name, struct file_attributes* attr); |
342 | ||
fbf5a39b AC |
343 | /* The __gnat_max_path_len variable is used to export the maximum |
344 | length of a path name to Ada code. max_path_len is also provided | |
345 | for compatibility with older GNAT versions, please do not use | |
346 | it. */ | |
347 | ||
348 | int __gnat_max_path_len = GNAT_MAX_PATH_LEN; | |
349 | int max_path_len = GNAT_MAX_PATH_LEN; | |
350 | ||
03b64787 AC |
351 | /* Control whether we can use ACL on Windows. */ |
352 | ||
353 | int __gnat_use_acl = 1; | |
354 | ||
d23b8f57 | 355 | /* The following macro HAVE_READDIR_R should be defined if the |
07aff4e3 AC |
356 | system provides the routine readdir_r. |
357 | ... but we never define it anywhere??? */ | |
d23b8f57 | 358 | #undef HAVE_READDIR_R |
8d3e8018 | 359 | |
cc892b2c | 360 | #define MAYBE_TO_PTR32(argv) argv |
cc892b2c | 361 | |
9f5b6c7f | 362 | static const char ATTR_UNSET = 127; |
96867674 | 363 | |
8c5b2819 AC |
364 | /* Reset the file attributes as if no system call had been performed */ |
365 | ||
48263c9a | 366 | void |
5644b7e8 | 367 | __gnat_reset_attributes (struct file_attributes* attr) |
48263c9a | 368 | { |
96867674 | 369 | attr->exists = ATTR_UNSET; |
c6d2191a | 370 | attr->error = EINVAL; |
48263c9a | 371 | |
96867674 AC |
372 | attr->writable = ATTR_UNSET; |
373 | attr->readable = ATTR_UNSET; | |
374 | attr->executable = ATTR_UNSET; | |
48263c9a | 375 | |
96867674 AC |
376 | attr->regular = ATTR_UNSET; |
377 | attr->symbolic_link = ATTR_UNSET; | |
378 | attr->directory = ATTR_UNSET; | |
48263c9a EB |
379 | |
380 | attr->timestamp = (OS_Time)-2; | |
381 | attr->file_length = -1; | |
382 | } | |
383 | ||
c6d2191a AC |
384 | int |
385 | __gnat_error_attributes (struct file_attributes *attr) { | |
386 | return attr->error; | |
387 | } | |
388 | ||
c99c095f | 389 | OS_Time |
5644b7e8 | 390 | __gnat_current_time (void) |
c99c095f OH |
391 | { |
392 | time_t res = time (NULL); | |
393 | return (OS_Time) res; | |
394 | } | |
395 | ||
9392454c HK |
396 | /* Return the current local time as a string in the ISO 8601 format of |
397 | "YYYY-MM-DD HH:MM:SS.SS". The returned string is 22 + 1 (NULL) characters | |
398 | long. */ | |
399 | ||
400 | void | |
5644b7e8 | 401 | __gnat_current_time_string (char *result) |
9392454c HK |
402 | { |
403 | const char *format = "%Y-%m-%d %H:%M:%S"; | |
404 | /* Format string necessary to describe the ISO 8601 format */ | |
405 | ||
406 | const time_t t_val = time (NULL); | |
407 | ||
408 | strftime (result, 22, format, localtime (&t_val)); | |
409 | /* Convert the local time into a string following the ISO format, copying | |
410 | at most 22 characters into the result string. */ | |
411 | ||
412 | result [19] = '.'; | |
413 | result [20] = '0'; | |
414 | result [21] = '0'; | |
415 | /* The sub-seconds are manually set to zero since type time_t lacks the | |
416 | precision necessary for nanoseconds. */ | |
417 | } | |
418 | ||
d23b8f57 | 419 | void |
5644b7e8 AC |
420 | __gnat_to_gm_time (OS_Time *p_time, int *p_year, int *p_month, int *p_day, |
421 | int *p_hours, int *p_mins, int *p_secs) | |
d23b8f57 RK |
422 | { |
423 | struct tm *res; | |
fbf5a39b | 424 | time_t time = (time_t) *p_time; |
d23b8f57 | 425 | |
d23b8f57 | 426 | res = gmtime (&time); |
d23b8f57 RK |
427 | if (res) |
428 | { | |
429 | *p_year = res->tm_year; | |
430 | *p_month = res->tm_mon; | |
431 | *p_day = res->tm_mday; | |
432 | *p_hours = res->tm_hour; | |
433 | *p_mins = res->tm_min; | |
434 | *p_secs = res->tm_sec; | |
07fc65c4 | 435 | } |
d23b8f57 RK |
436 | else |
437 | *p_year = *p_month = *p_day = *p_hours = *p_mins = *p_secs = 0; | |
438 | } | |
439 | ||
c3d01e19 PO |
440 | void |
441 | __gnat_to_os_time (OS_Time *p_time, int year, int month, int day, | |
442 | int hours, int mins, int secs) | |
443 | { | |
444 | struct tm v; | |
445 | ||
446 | v.tm_year = year; | |
447 | v.tm_mon = month; | |
448 | v.tm_mday = day; | |
449 | v.tm_hour = hours; | |
450 | v.tm_min = mins; | |
451 | v.tm_sec = secs; | |
36428cc4 | 452 | v.tm_isdst = -1; |
c3d01e19 PO |
453 | |
454 | /* returns -1 of failing, this is s-os_lib Invalid_Time */ | |
455 | ||
456 | *p_time = (OS_Time) mktime (&v); | |
457 | } | |
458 | ||
d23b8f57 RK |
459 | /* Place the contents of the symbolic link named PATH in the buffer BUF, |
460 | which has size BUFSIZ. If PATH is a symbolic link, then return the number | |
aace458a GB |
461 | of characters of its content in BUF. Otherwise, return -1. |
462 | For systems not supporting symbolic links, always return -1. */ | |
d23b8f57 | 463 | |
fbf5a39b | 464 | int |
25412599 DS |
465 | __gnat_readlink (char *path ATTRIBUTE_UNUSED, |
466 | char *buf ATTRIBUTE_UNUSED, | |
467 | size_t bufsiz ATTRIBUTE_UNUSED) | |
d23b8f57 | 468 | { |
e08add8e | 469 | #if defined (_WIN32) \ |
5ae7c3cf | 470 | || defined(__vxworks) || defined (__PikeOS__) |
d23b8f57 RK |
471 | return -1; |
472 | #else | |
473 | return readlink (path, buf, bufsiz); | |
474 | #endif | |
475 | } | |
476 | ||
aace458a GB |
477 | /* Creates a symbolic link named NEWPATH which contains the string OLDPATH. |
478 | If NEWPATH exists it will NOT be overwritten. | |
479 | For systems not supporting symbolic links, always return -1. */ | |
d23b8f57 RK |
480 | |
481 | int | |
25412599 DS |
482 | __gnat_symlink (char *oldpath ATTRIBUTE_UNUSED, |
483 | char *newpath ATTRIBUTE_UNUSED) | |
d23b8f57 | 484 | { |
e08add8e | 485 | #if defined (_WIN32) \ |
5ae7c3cf | 486 | || defined(__vxworks) || defined (__PikeOS__) |
d23b8f57 RK |
487 | return -1; |
488 | #else | |
489 | return symlink (oldpath, newpath); | |
490 | #endif | |
491 | } | |
492 | ||
07fc65c4 | 493 | /* Try to lock a file, return 1 if success. */ |
d23b8f57 | 494 | |
5ae7c3cf | 495 | #if defined (__vxworks) \ |
e08add8e | 496 | || defined (_WIN32) || defined (__PikeOS__) |
d23b8f57 RK |
497 | |
498 | /* Version that does not use link. */ | |
499 | ||
500 | int | |
fbf5a39b | 501 | __gnat_try_lock (char *dir, char *file) |
d23b8f57 | 502 | { |
d23b8f57 | 503 | int fd; |
0022d9e3 PO |
504 | #ifdef __MINGW32__ |
505 | TCHAR wfull_path[GNAT_MAX_PATH_LEN]; | |
506 | TCHAR wfile[GNAT_MAX_PATH_LEN]; | |
507 | TCHAR wdir[GNAT_MAX_PATH_LEN]; | |
508 | ||
ffec8e81 AC |
509 | S2WSC (wdir, dir, GNAT_MAX_PATH_LEN); |
510 | S2WSC (wfile, file, GNAT_MAX_PATH_LEN); | |
0022d9e3 | 511 | |
bc3c2eca AC |
512 | /* ??? the code below crash on MingW64 for obscure reasons, a ticket |
513 | has been opened here: | |
514 | ||
515 | https://sourceforge.net/p/mingw-w64/bugs/414/ | |
516 | ||
517 | As a workaround an equivalent set of code has been put in place below. | |
518 | ||
0022d9e3 | 519 | _stprintf (wfull_path, _T("%s%c%s"), wdir, _T(DIR_SEPARATOR), wfile); |
bc3c2eca AC |
520 | */ |
521 | ||
522 | _tcscpy (wfull_path, wdir); | |
523 | _tcscat (wfull_path, L"\\"); | |
524 | _tcscat (wfull_path, wfile); | |
525 | ||
0022d9e3 PO |
526 | fd = _topen (wfull_path, O_CREAT | O_EXCL, 0600); |
527 | #else | |
528 | char full_path[256]; | |
d23b8f57 RK |
529 | |
530 | sprintf (full_path, "%s%c%s", dir, DIR_SEPARATOR, file); | |
531 | fd = open (full_path, O_CREAT | O_EXCL, 0600); | |
0022d9e3 PO |
532 | #endif |
533 | ||
07fc65c4 | 534 | if (fd < 0) |
d23b8f57 | 535 | return 0; |
07fc65c4 | 536 | |
d23b8f57 RK |
537 | close (fd); |
538 | return 1; | |
539 | } | |
540 | ||
d23b8f57 | 541 | #else |
07fc65c4 | 542 | |
d23b8f57 | 543 | /* Version using link(), more secure over NFS. */ |
fbf5a39b | 544 | /* See TN 6913-016 for discussion ??? */ |
d23b8f57 RK |
545 | |
546 | int | |
fbf5a39b | 547 | __gnat_try_lock (char *dir, char *file) |
d23b8f57 | 548 | { |
07fc65c4 GB |
549 | char full_path[256]; |
550 | char temp_file[256]; | |
f6c7fcc0 | 551 | GNAT_STRUCT_STAT stat_result; |
d23b8f57 RK |
552 | int fd; |
553 | ||
554 | sprintf (full_path, "%s%c%s", dir, DIR_SEPARATOR, file); | |
cc4f0de1 AC |
555 | sprintf (temp_file, "%s%cTMP-%ld-%ld", |
556 | dir, DIR_SEPARATOR, (long)getpid(), (long)getppid ()); | |
d23b8f57 | 557 | |
07fc65c4 | 558 | /* Create the temporary file and write the process number. */ |
d23b8f57 RK |
559 | fd = open (temp_file, O_CREAT | O_WRONLY, 0600); |
560 | if (fd < 0) | |
561 | return 0; | |
562 | ||
563 | close (fd); | |
564 | ||
07fc65c4 | 565 | /* Link it with the new file. */ |
d23b8f57 RK |
566 | link (temp_file, full_path); |
567 | ||
568 | /* Count the references on the old one. If we have a count of two, then | |
07fc65c4 | 569 | the link did succeed. Remove the temporary file before returning. */ |
d23b8f57 RK |
570 | __gnat_stat (temp_file, &stat_result); |
571 | unlink (temp_file); | |
572 | return stat_result.st_nlink == 2; | |
573 | } | |
574 | #endif | |
575 | ||
576 | /* Return the maximum file name length. */ | |
577 | ||
578 | int | |
9373164a | 579 | __gnat_get_maximum_file_name_length (void) |
d23b8f57 | 580 | { |
d23b8f57 | 581 | return -1; |
d23b8f57 RK |
582 | } |
583 | ||
d23b8f57 RK |
584 | /* Return nonzero if file names are case sensitive. */ |
585 | ||
b191a125 AC |
586 | static int file_names_case_sensitive_cache = -1; |
587 | ||
d23b8f57 | 588 | int |
9373164a | 589 | __gnat_get_file_names_case_sensitive (void) |
d23b8f57 | 590 | { |
b191a125 AC |
591 | if (file_names_case_sensitive_cache == -1) |
592 | { | |
593 | const char *sensitive = getenv ("GNAT_FILE_NAME_CASE_SENSITIVE"); | |
61619168 | 594 | |
b191a125 AC |
595 | if (sensitive != NULL |
596 | && (sensitive[0] == '0' || sensitive[0] == '1') | |
597 | && sensitive[1] == '\0') | |
598 | file_names_case_sensitive_cache = sensitive[0] - '0'; | |
599 | else | |
e699b76e AC |
600 | { |
601 | /* By default, we suppose filesystems aren't case sensitive on | |
602 | Windows and Darwin (but they are on arm-darwin). */ | |
91f2eb13 | 603 | #if defined (WINNT) || defined (__DJGPP__) \ |
b54d1d39 | 604 | || (defined (__APPLE__) && !(defined (__arm__) || defined (__arm64__))) |
e699b76e | 605 | file_names_case_sensitive_cache = 0; |
d23b8f57 | 606 | #else |
e699b76e | 607 | file_names_case_sensitive_cache = 1; |
d23b8f57 | 608 | #endif |
e699b76e | 609 | } |
b191a125 AC |
610 | } |
611 | return file_names_case_sensitive_cache; | |
d23b8f57 RK |
612 | } |
613 | ||
0e35524d VC |
614 | /* Return nonzero if environment variables are case sensitive. */ |
615 | ||
616 | int | |
617 | __gnat_get_env_vars_case_sensitive (void) | |
618 | { | |
91f2eb13 | 619 | #if defined (WINNT) || defined (__DJGPP__) |
0e35524d VC |
620 | return 0; |
621 | #else | |
622 | return 1; | |
623 | #endif | |
624 | } | |
625 | ||
d23b8f57 | 626 | char |
9373164a | 627 | __gnat_get_default_identifier_character_set (void) |
d23b8f57 | 628 | { |
d23b8f57 | 629 | return '1'; |
d23b8f57 RK |
630 | } |
631 | ||
07fc65c4 | 632 | /* Return the current working directory. */ |
d23b8f57 RK |
633 | |
634 | void | |
fbf5a39b | 635 | __gnat_get_current_dir (char *dir, int *length) |
d23b8f57 | 636 | { |
0022d9e3 PO |
637 | #if defined (__MINGW32__) |
638 | TCHAR wdir[GNAT_MAX_PATH_LEN]; | |
639 | ||
640 | _tgetcwd (wdir, *length); | |
641 | ||
ffec8e81 | 642 | WS2SC (dir, wdir, GNAT_MAX_PATH_LEN); |
0022d9e3 | 643 | |
d23b8f57 | 644 | #else |
7a71a7c4 AC |
645 | char* result = getcwd (dir, *length); |
646 | /* If the current directory does not exist, set length = 0 | |
647 | to indicate error. That can't happen on windows, where | |
648 | you can't delete a directory if it is the current | |
649 | directory of some process. */ | |
650 | if (!result) | |
651 | { | |
652 | *length = 0; | |
653 | return; | |
654 | } | |
d23b8f57 RK |
655 | #endif |
656 | ||
657 | *length = strlen (dir); | |
658 | ||
fbf5a39b AC |
659 | if (dir [*length - 1] != DIR_SEPARATOR) |
660 | { | |
661 | dir [*length] = DIR_SEPARATOR; | |
662 | ++(*length); | |
663 | } | |
07fc65c4 | 664 | dir[*length] = '\0'; |
d23b8f57 RK |
665 | } |
666 | ||
07fc65c4 | 667 | /* Return the suffix for object files. */ |
d23b8f57 RK |
668 | |
669 | void | |
fbf5a39b | 670 | __gnat_get_object_suffix_ptr (int *len, const char **value) |
d23b8f57 RK |
671 | { |
672 | *value = HOST_OBJECT_SUFFIX; | |
673 | ||
674 | if (*value == 0) | |
675 | *len = 0; | |
676 | else | |
677 | *len = strlen (*value); | |
678 | ||
679 | return; | |
680 | } | |
681 | ||
07fc65c4 | 682 | /* Return the suffix for executable files. */ |
d23b8f57 RK |
683 | |
684 | void | |
fbf5a39b | 685 | __gnat_get_executable_suffix_ptr (int *len, const char **value) |
d23b8f57 RK |
686 | { |
687 | *value = HOST_EXECUTABLE_SUFFIX; | |
005f870e | 688 | |
d23b8f57 RK |
689 | if (!*value) |
690 | *len = 0; | |
691 | else | |
692 | *len = strlen (*value); | |
693 | ||
694 | return; | |
695 | } | |
696 | ||
697 | /* Return the suffix for debuggable files. Usually this is the same as the | |
07fc65c4 | 698 | executable extension. */ |
d23b8f57 RK |
699 | |
700 | void | |
fbf5a39b | 701 | __gnat_get_debuggable_suffix_ptr (int *len, const char **value) |
d23b8f57 | 702 | { |
d23b8f57 | 703 | *value = HOST_EXECUTABLE_SUFFIX; |
d23b8f57 RK |
704 | |
705 | if (*value == 0) | |
706 | *len = 0; | |
707 | else | |
708 | *len = strlen (*value); | |
709 | ||
710 | return; | |
711 | } | |
712 | ||
d7598e11 PO |
713 | /* Returns the OS filename and corresponding encoding. */ |
714 | ||
715 | void | |
9549767b AC |
716 | __gnat_os_filename (char *filename ATTRIBUTE_UNUSED, |
717 | char *w_filename ATTRIBUTE_UNUSED, | |
d7598e11 | 718 | char *os_name, int *o_length, |
640bd0bf | 719 | char *encoding ATTRIBUTE_UNUSED, int *e_length) |
d7598e11 | 720 | { |
bf327c92 | 721 | #if defined (_WIN32) && ! defined (__vxworks) && ! defined (IS_CROSS) |
0727601a | 722 | WS2SC (os_name, (TCHAR *)w_filename, (DWORD)*o_length); |
d7598e11 PO |
723 | *o_length = strlen (os_name); |
724 | strcpy (encoding, "encoding=utf8"); | |
725 | *e_length = strlen (encoding); | |
726 | #else | |
727 | strcpy (os_name, filename); | |
728 | *o_length = strlen (filename); | |
729 | *e_length = 0; | |
730 | #endif | |
731 | } | |
732 | ||
55cc1a05 AC |
733 | /* Delete a file. */ |
734 | ||
735 | int | |
736 | __gnat_unlink (char *path) | |
737 | { | |
bf327c92 | 738 | #if defined (__MINGW32__) && ! defined (__vxworks) && ! defined (IS_CROSS) |
55cc1a05 AC |
739 | { |
740 | TCHAR wpath[GNAT_MAX_PATH_LEN]; | |
741 | ||
ffec8e81 | 742 | S2WSC (wpath, path, GNAT_MAX_PATH_LEN); |
55cc1a05 AC |
743 | return _tunlink (wpath); |
744 | } | |
745 | #else | |
746 | return unlink (path); | |
747 | #endif | |
748 | } | |
749 | ||
750 | /* Rename a file. */ | |
751 | ||
752 | int | |
753 | __gnat_rename (char *from, char *to) | |
754 | { | |
bf327c92 | 755 | #if defined (__MINGW32__) && ! defined (__vxworks) && ! defined (IS_CROSS) |
55cc1a05 AC |
756 | { |
757 | TCHAR wfrom[GNAT_MAX_PATH_LEN], wto[GNAT_MAX_PATH_LEN]; | |
758 | ||
ffec8e81 AC |
759 | S2WSC (wfrom, from, GNAT_MAX_PATH_LEN); |
760 | S2WSC (wto, to, GNAT_MAX_PATH_LEN); | |
55cc1a05 AC |
761 | return _trename (wfrom, wto); |
762 | } | |
82fa20a2 FK |
763 | #elif defined (__vxworks) && (_WRS_VXWORKS_MAJOR == 6) |
764 | { | |
765 | /* When used on a dos filesystem under VxWorks 6.9 rename will trigger a | |
766 | S_dosFsLib_FILE_NOT_FOUND errno when the file is not found. Let's map | |
767 | that to ENOENT so Ada.Directory.Rename can detect that and raise the | |
768 | Name_Error exception. */ | |
769 | int ret = rename (from, to); | |
770 | ||
771 | if (ret && (errno == S_dosFsLib_FILE_NOT_FOUND)) | |
772 | { | |
773 | errno = ENOENT; | |
774 | } | |
775 | return ret; | |
776 | } | |
55cc1a05 AC |
777 | #else |
778 | return rename (from, to); | |
779 | #endif | |
780 | } | |
781 | ||
4e0079cc AC |
782 | /* Changing directory. */ |
783 | ||
784 | int | |
785 | __gnat_chdir (char *path) | |
786 | { | |
bf327c92 | 787 | #if defined (__MINGW32__) && ! defined (__vxworks) && ! defined (IS_CROSS) |
4e0079cc AC |
788 | { |
789 | TCHAR wpath[GNAT_MAX_PATH_LEN]; | |
790 | ||
ffec8e81 | 791 | S2WSC (wpath, path, GNAT_MAX_PATH_LEN); |
4e0079cc AC |
792 | return _tchdir (wpath); |
793 | } | |
794 | #else | |
795 | return chdir (path); | |
796 | #endif | |
797 | } | |
798 | ||
468ee337 PO |
799 | /* Removing a directory. */ |
800 | ||
801 | int | |
802 | __gnat_rmdir (char *path) | |
803 | { | |
bf327c92 | 804 | #if defined (__MINGW32__) && ! defined (__vxworks) && ! defined (IS_CROSS) |
468ee337 PO |
805 | { |
806 | TCHAR wpath[GNAT_MAX_PATH_LEN]; | |
807 | ||
ffec8e81 | 808 | S2WSC (wpath, path, GNAT_MAX_PATH_LEN); |
468ee337 PO |
809 | return _trmdir (wpath); |
810 | } | |
33374829 AC |
811 | #elif defined (VTHREADS) |
812 | /* rmdir not available */ | |
813 | return -1; | |
468ee337 PO |
814 | #else |
815 | return rmdir (path); | |
816 | #endif | |
817 | } | |
818 | ||
329be64b | 819 | #if defined (_WIN32) || defined (__linux__) || defined (__sun__) \ |
c9e80306 | 820 | || defined (__FreeBSD__) || defined(__DragonFly__) || defined (__QNX__) |
4b03d946 AC |
821 | #define HAS_TARGET_WCHAR_T |
822 | #endif | |
823 | ||
824 | #ifdef HAS_TARGET_WCHAR_T | |
825 | #include <wchar.h> | |
826 | #endif | |
827 | ||
50ea6357 AC |
828 | int |
829 | __gnat_fputwc(int c, FILE *stream) | |
830 | { | |
4b03d946 | 831 | #ifdef HAS_TARGET_WCHAR_T |
50ea6357 AC |
832 | return fputwc ((wchar_t)c, stream); |
833 | #else | |
834 | return fputc (c, stream); | |
835 | #endif | |
836 | } | |
837 | ||
18f22284 | 838 | FILE * |
4d49c6e1 | 839 | __gnat_fopen (char *path, char *mode, int encoding ATTRIBUTE_UNUSED) |
18f22284 | 840 | { |
bf327c92 | 841 | #if defined (_WIN32) && ! defined (__vxworks) && ! defined (IS_CROSS) |
18f22284 PO |
842 | TCHAR wpath[GNAT_MAX_PATH_LEN]; |
843 | TCHAR wmode[10]; | |
844 | ||
18f22284 | 845 | S2WS (wmode, mode, 10); |
c99c095f | 846 | |
ffec8e81 AC |
847 | if (encoding == Encoding_Unspecified) |
848 | S2WSC (wpath, path, GNAT_MAX_PATH_LEN); | |
849 | else if (encoding == Encoding_UTF8) | |
c99c095f OH |
850 | S2WSU (wpath, path, GNAT_MAX_PATH_LEN); |
851 | else | |
852 | S2WS (wpath, path, GNAT_MAX_PATH_LEN); | |
853 | ||
18f22284 | 854 | return _tfopen (wpath, wmode); |
e08add8e | 855 | |
18f22284 | 856 | #else |
f6c7fcc0 | 857 | return GNAT_FOPEN (path, mode); |
2995ebee | 858 | #endif |
18f22284 PO |
859 | } |
860 | ||
18f22284 | 861 | FILE * |
8918fe18 AC |
862 | __gnat_freopen (char *path, |
863 | char *mode, | |
864 | FILE *stream, | |
4d49c6e1 | 865 | int encoding ATTRIBUTE_UNUSED) |
18f22284 | 866 | { |
bf327c92 | 867 | #if defined (_WIN32) && ! defined (__vxworks) && ! defined (IS_CROSS) |
18f22284 PO |
868 | TCHAR wpath[GNAT_MAX_PATH_LEN]; |
869 | TCHAR wmode[10]; | |
870 | ||
18f22284 | 871 | S2WS (wmode, mode, 10); |
c99c095f | 872 | |
ffec8e81 AC |
873 | if (encoding == Encoding_Unspecified) |
874 | S2WSC (wpath, path, GNAT_MAX_PATH_LEN); | |
875 | else if (encoding == Encoding_UTF8) | |
c99c095f OH |
876 | S2WSU (wpath, path, GNAT_MAX_PATH_LEN); |
877 | else | |
878 | S2WS (wpath, path, GNAT_MAX_PATH_LEN); | |
879 | ||
18f22284 PO |
880 | return _tfreopen (wpath, wmode, stream); |
881 | #else | |
882 | return freopen (path, mode, stream); | |
883 | #endif | |
884 | } | |
885 | ||
d23b8f57 | 886 | int |
fbf5a39b | 887 | __gnat_open_read (char *path, int fmode) |
d23b8f57 RK |
888 | { |
889 | int fd; | |
890 | int o_fmode = O_BINARY; | |
891 | ||
892 | if (fmode) | |
893 | o_fmode = O_TEXT; | |
894 | ||
e08add8e | 895 | #if defined (__vxworks) |
d23b8f57 | 896 | fd = open (path, O_RDONLY | o_fmode, 0444); |
0022d9e3 PO |
897 | #elif defined (__MINGW32__) |
898 | { | |
899 | TCHAR wpath[GNAT_MAX_PATH_LEN]; | |
900 | ||
ffec8e81 | 901 | S2WSC (wpath, path, GNAT_MAX_PATH_LEN); |
0022d9e3 PO |
902 | fd = _topen (wpath, O_RDONLY | o_fmode, 0444); |
903 | } | |
d23b8f57 | 904 | #else |
2b9fbec9 | 905 | fd = GNAT_OPEN (path, O_RDONLY | o_fmode); |
d23b8f57 | 906 | #endif |
07fc65c4 | 907 | |
d23b8f57 RK |
908 | return fd < 0 ? -1 : fd; |
909 | } | |
910 | ||
ea7f928b | 911 | #if defined (__MINGW32__) |
d23b8f57 RK |
912 | #define PERM (S_IREAD | S_IWRITE) |
913 | #else | |
914 | #define PERM (S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH | S_IWOTH) | |
915 | #endif | |
916 | ||
917 | int | |
fbf5a39b | 918 | __gnat_open_rw (char *path, int fmode) |
d23b8f57 RK |
919 | { |
920 | int fd; | |
921 | int o_fmode = O_BINARY; | |
922 | ||
923 | if (fmode) | |
924 | o_fmode = O_TEXT; | |
925 | ||
e08add8e | 926 | #if defined (__MINGW32__) |
0022d9e3 PO |
927 | { |
928 | TCHAR wpath[GNAT_MAX_PATH_LEN]; | |
929 | ||
ffec8e81 | 930 | S2WSC (wpath, path, GNAT_MAX_PATH_LEN); |
0022d9e3 PO |
931 | fd = _topen (wpath, O_RDWR | o_fmode, PERM); |
932 | } | |
d23b8f57 | 933 | #else |
2b9fbec9 | 934 | fd = GNAT_OPEN (path, O_RDWR | o_fmode, PERM); |
d23b8f57 RK |
935 | #endif |
936 | ||
937 | return fd < 0 ? -1 : fd; | |
938 | } | |
939 | ||
940 | int | |
fbf5a39b | 941 | __gnat_open_create (char *path, int fmode) |
d23b8f57 RK |
942 | { |
943 | int fd; | |
944 | int o_fmode = O_BINARY; | |
945 | ||
946 | if (fmode) | |
947 | o_fmode = O_TEXT; | |
948 | ||
e08add8e | 949 | #if defined (__MINGW32__) |
0022d9e3 PO |
950 | { |
951 | TCHAR wpath[GNAT_MAX_PATH_LEN]; | |
952 | ||
ffec8e81 | 953 | S2WSC (wpath, path, GNAT_MAX_PATH_LEN); |
0022d9e3 PO |
954 | fd = _topen (wpath, O_WRONLY | O_CREAT | O_TRUNC | o_fmode, PERM); |
955 | } | |
d23b8f57 | 956 | #else |
2b9fbec9 | 957 | fd = GNAT_OPEN (path, O_WRONLY | O_CREAT | O_TRUNC | o_fmode, PERM); |
d23b8f57 RK |
958 | #endif |
959 | ||
960 | return fd < 0 ? -1 : fd; | |
e6f69614 AC |
961 | } |
962 | ||
963 | int | |
964 | __gnat_create_output_file (char *path) | |
965 | { | |
966 | int fd; | |
e08add8e | 967 | #if defined (__MINGW32__) |
0022d9e3 PO |
968 | { |
969 | TCHAR wpath[GNAT_MAX_PATH_LEN]; | |
970 | ||
ffec8e81 | 971 | S2WSC (wpath, path, GNAT_MAX_PATH_LEN); |
0022d9e3 PO |
972 | fd = _topen (wpath, O_WRONLY | O_CREAT | O_TRUNC | O_TEXT, PERM); |
973 | } | |
e6f69614 | 974 | #else |
2b9fbec9 | 975 | fd = GNAT_OPEN (path, O_WRONLY | O_CREAT | O_TRUNC | O_TEXT, PERM); |
e6f69614 AC |
976 | #endif |
977 | ||
978 | return fd < 0 ? -1 : fd; | |
d23b8f57 RK |
979 | } |
980 | ||
fdfcc663 AC |
981 | int |
982 | __gnat_create_output_file_new (char *path) | |
983 | { | |
984 | int fd; | |
e08add8e | 985 | #if defined (__MINGW32__) |
fdfcc663 AC |
986 | { |
987 | TCHAR wpath[GNAT_MAX_PATH_LEN]; | |
988 | ||
989 | S2WSC (wpath, path, GNAT_MAX_PATH_LEN); | |
990 | fd = _topen (wpath, O_WRONLY | O_CREAT | O_TRUNC | O_TEXT | O_EXCL, PERM); | |
991 | } | |
992 | #else | |
2b9fbec9 | 993 | fd = GNAT_OPEN (path, O_WRONLY | O_CREAT | O_TRUNC | O_TEXT | O_EXCL, PERM); |
fdfcc663 AC |
994 | #endif |
995 | ||
996 | return fd < 0 ? -1 : fd; | |
997 | } | |
998 | ||
d23b8f57 | 999 | int |
fbf5a39b | 1000 | __gnat_open_append (char *path, int fmode) |
d23b8f57 RK |
1001 | { |
1002 | int fd; | |
1003 | int o_fmode = O_BINARY; | |
1004 | ||
1005 | if (fmode) | |
1006 | o_fmode = O_TEXT; | |
1007 | ||
e08add8e | 1008 | #if defined (__MINGW32__) |
0022d9e3 PO |
1009 | { |
1010 | TCHAR wpath[GNAT_MAX_PATH_LEN]; | |
1011 | ||
ffec8e81 | 1012 | S2WSC (wpath, path, GNAT_MAX_PATH_LEN); |
0022d9e3 PO |
1013 | fd = _topen (wpath, O_WRONLY | O_CREAT | O_APPEND | o_fmode, PERM); |
1014 | } | |
d23b8f57 | 1015 | #else |
2b9fbec9 | 1016 | fd = GNAT_OPEN (path, O_WRONLY | O_CREAT | O_APPEND | o_fmode, PERM); |
d23b8f57 RK |
1017 | #endif |
1018 | ||
1019 | return fd < 0 ? -1 : fd; | |
1020 | } | |
1021 | ||
07fc65c4 | 1022 | /* Open a new file. Return error (-1) if the file already exists. */ |
d23b8f57 RK |
1023 | |
1024 | int | |
fbf5a39b | 1025 | __gnat_open_new (char *path, int fmode) |
d23b8f57 RK |
1026 | { |
1027 | int fd; | |
1028 | int o_fmode = O_BINARY; | |
1029 | ||
1030 | if (fmode) | |
1031 | o_fmode = O_TEXT; | |
1032 | ||
e08add8e | 1033 | #if defined (__MINGW32__) |
0022d9e3 PO |
1034 | { |
1035 | TCHAR wpath[GNAT_MAX_PATH_LEN]; | |
1036 | ||
ffec8e81 | 1037 | S2WSC (wpath, path, GNAT_MAX_PATH_LEN); |
0022d9e3 PO |
1038 | fd = _topen (wpath, O_WRONLY | O_CREAT | O_EXCL | o_fmode, PERM); |
1039 | } | |
d23b8f57 | 1040 | #else |
2b9fbec9 | 1041 | fd = GNAT_OPEN (path, O_WRONLY | O_CREAT | O_EXCL | o_fmode, PERM); |
d23b8f57 RK |
1042 | #endif |
1043 | ||
1044 | return fd < 0 ? -1 : fd; | |
1045 | } | |
1046 | ||
e08add8e | 1047 | /* Open a new temp file. Return error (-1) if the file already exists. */ |
d23b8f57 RK |
1048 | |
1049 | int | |
fbf5a39b | 1050 | __gnat_open_new_temp (char *path, int fmode) |
d23b8f57 RK |
1051 | { |
1052 | int fd; | |
1053 | int o_fmode = O_BINARY; | |
1054 | ||
1055 | strcpy (path, "GNAT-XXXXXX"); | |
1056 | ||
e0658eda | 1057 | #if (defined (__FreeBSD__) || defined (__NetBSD__) || defined (__OpenBSD__) \ |
a9fdbccb | 1058 | || defined (__linux__) || defined (__GLIBC__) || defined (__ANDROID__) \ |
8d9a1ba7 | 1059 | || defined (__DragonFly__) || defined (__QNX__)) && !defined (__vxworks) |
d23b8f57 | 1060 | return mkstemp (path); |
226ada7a GB |
1061 | #elif defined (__Lynx__) |
1062 | mktemp (path); | |
d23b8f57 RK |
1063 | #else |
1064 | if (mktemp (path) == NULL) | |
1065 | return -1; | |
1066 | #endif | |
1067 | ||
1068 | if (fmode) | |
1069 | o_fmode = O_TEXT; | |
1070 | ||
2b9fbec9 | 1071 | fd = GNAT_OPEN (path, O_WRONLY | O_CREAT | O_EXCL | o_fmode, PERM); |
d23b8f57 RK |
1072 | return fd < 0 ? -1 : fd; |
1073 | } | |
1074 | ||
479f9059 PO |
1075 | int |
1076 | __gnat_open (char *path, int fmode) | |
1077 | { | |
1078 | int fd; | |
1079 | ||
e08add8e | 1080 | #if defined (__MINGW32__) |
479f9059 PO |
1081 | { |
1082 | TCHAR wpath[GNAT_MAX_PATH_LEN]; | |
1083 | ||
1084 | S2WSC (wpath, path, GNAT_MAX_PATH_LEN); | |
1085 | fd = _topen (wpath, fmode, PERM); | |
1086 | } | |
1087 | #else | |
1088 | fd = GNAT_OPEN (path, fmode, PERM); | |
1089 | #endif | |
1090 | ||
1091 | return fd < 0 ? -1 : fd; | |
1092 | } | |
1093 | ||
48263c9a EB |
1094 | /**************************************************************** |
1095 | ** Perform a call to GNAT_STAT or GNAT_FSTAT, and extract as much information | |
1096 | ** as possible from it, storing the result in a cache for later reuse | |
1097 | ****************************************************************/ | |
d23b8f57 | 1098 | |
48263c9a EB |
1099 | void |
1100 | __gnat_stat_to_attr (int fd, char* name, struct file_attributes* attr) | |
d23b8f57 | 1101 | { |
f6c7fcc0 | 1102 | GNAT_STRUCT_STAT statbuf; |
c6d2191a | 1103 | int ret, error; |
d23b8f57 | 1104 | |
c6d2191a AC |
1105 | if (fd != -1) { |
1106 | /* GNAT_FSTAT returns -1 and sets errno for failure */ | |
48263c9a | 1107 | ret = GNAT_FSTAT (fd, &statbuf); |
c6d2191a AC |
1108 | error = ret ? errno : 0; |
1109 | ||
1110 | } else { | |
1111 | /* __gnat_stat returns errno value directly */ | |
1112 | error = __gnat_stat (name, &statbuf); | |
1113 | ret = error ? -1 : 0; | |
1114 | } | |
1115 | ||
1116 | /* | |
1117 | * A missing file is reported as an attr structure with error == 0 and | |
1118 | * exists == 0. | |
1119 | */ | |
1120 | ||
1121 | if (error == 0 || error == ENOENT) | |
1122 | attr->error = 0; | |
48263c9a | 1123 | else |
c6d2191a | 1124 | attr->error = error; |
48263c9a EB |
1125 | |
1126 | attr->regular = (!ret && S_ISREG (statbuf.st_mode)); | |
1127 | attr->directory = (!ret && S_ISDIR (statbuf.st_mode)); | |
d23b8f57 | 1128 | |
48263c9a EB |
1129 | if (!attr->regular) |
1130 | attr->file_length = 0; | |
1131 | else | |
1132 | /* st_size may be 32 bits, or 64 bits which is converted to long. We | |
1133 | don't return a useful value for files larger than 2 gigabytes in | |
1134 | either case. */ | |
1135 | attr->file_length = statbuf.st_size; /* all systems */ | |
1136 | ||
48263c9a | 1137 | attr->exists = !ret; |
48263c9a | 1138 | |
5ae7c3cf | 1139 | #if !defined (_WIN32) |
48263c9a EB |
1140 | /* on Windows requires extra system call, see __gnat_is_readable_file_attr */ |
1141 | attr->readable = (!ret && (statbuf.st_mode & S_IRUSR)); | |
1142 | attr->writable = (!ret && (statbuf.st_mode & S_IWUSR)); | |
1143 | attr->executable = (!ret && (statbuf.st_mode & S_IXUSR)); | |
1144 | #endif | |
1145 | ||
48263c9a EB |
1146 | if (ret != 0) { |
1147 | attr->timestamp = (OS_Time)-1; | |
1148 | } else { | |
48263c9a | 1149 | attr->timestamp = (OS_Time)statbuf.st_mtime; |
48263c9a | 1150 | } |
d23b8f57 RK |
1151 | } |
1152 | ||
48263c9a EB |
1153 | /**************************************************************** |
1154 | ** Return the number of bytes in the specified file | |
1155 | ****************************************************************/ | |
30c20106 | 1156 | |
148c744a | 1157 | __int64 |
48263c9a | 1158 | __gnat_file_length_attr (int fd, char* name, struct file_attributes* attr) |
30c20106 | 1159 | { |
48263c9a EB |
1160 | if (attr->file_length == -1) { |
1161 | __gnat_stat_to_attr (fd, name, attr); | |
1162 | } | |
30c20106 | 1163 | |
48263c9a EB |
1164 | return attr->file_length; |
1165 | } | |
30c20106 | 1166 | |
148c744a | 1167 | __int64 |
48263c9a EB |
1168 | __gnat_file_length (int fd) |
1169 | { | |
1170 | struct file_attributes attr; | |
6528a7ed | 1171 | __gnat_reset_attributes (&attr); |
48263c9a EB |
1172 | return __gnat_file_length_attr (fd, NULL, &attr); |
1173 | } | |
03456e44 | 1174 | |
935a9145 AC |
1175 | long |
1176 | __gnat_file_length_long (int fd) | |
1177 | { | |
1178 | struct file_attributes attr; | |
1179 | __gnat_reset_attributes (&attr); | |
1180 | return (long)__gnat_file_length_attr (fd, NULL, &attr); | |
1181 | } | |
1182 | ||
148c744a | 1183 | __int64 |
48263c9a EB |
1184 | __gnat_named_file_length (char *name) |
1185 | { | |
1186 | struct file_attributes attr; | |
6528a7ed | 1187 | __gnat_reset_attributes (&attr); |
48263c9a | 1188 | return __gnat_file_length_attr (-1, name, &attr); |
30c20106 AC |
1189 | } |
1190 | ||
d23b8f57 | 1191 | /* Create a temporary filename and put it in string pointed to by |
07fc65c4 | 1192 | TMP_FILENAME. */ |
d23b8f57 RK |
1193 | |
1194 | void | |
fbf5a39b | 1195 | __gnat_tmp_name (char *tmp_filename) |
d23b8f57 | 1196 | { |
5ae7c3cf | 1197 | #if defined (__MINGW32__) |
d23b8f57 RK |
1198 | { |
1199 | char *pname; | |
a0fb8fe8 | 1200 | char prefix[25]; |
d23b8f57 RK |
1201 | |
1202 | /* tempnam tries to create a temporary file in directory pointed to by | |
1203 | TMP environment variable, in c:\temp if TMP is not set, and in | |
1204 | directory specified by P_tmpdir in stdio.h if c:\temp does not | |
1205 | exist. The filename will be created with the prefix "gnat-". */ | |
1206 | ||
a0fb8fe8 AC |
1207 | sprintf (prefix, "gnat-%d-", (int)getpid()); |
1208 | pname = (char *) _tempnam ("c:\\temp", prefix); | |
d23b8f57 | 1209 | |
fbf5a39b AC |
1210 | /* if pname is NULL, the file was not created properly, the disk is full |
1211 | or there is no more free temporary files */ | |
1212 | ||
1213 | if (pname == NULL) | |
1214 | *tmp_filename = '\0'; | |
1215 | ||
07fc65c4 GB |
1216 | /* If pname start with a back slash and not path information it means that |
1217 | the filename is valid for the current working directory. */ | |
d23b8f57 | 1218 | |
fbf5a39b | 1219 | else if (pname[0] == '\\') |
d23b8f57 RK |
1220 | { |
1221 | strcpy (tmp_filename, ".\\"); | |
1222 | strcat (tmp_filename, pname+1); | |
1223 | } | |
1224 | else | |
1225 | strcpy (tmp_filename, pname); | |
1226 | ||
1227 | free (pname); | |
1228 | } | |
07fc65c4 | 1229 | |
329be64b | 1230 | #elif defined (__linux__) || defined (__FreeBSD__) || defined (__NetBSD__) \ |
90af5990 | 1231 | || defined (__OpenBSD__) || defined (__GLIBC__) || defined (__ANDROID__) \ |
8d9a1ba7 | 1232 | || defined (__DragonFly__) || defined (__QNX__) |
fbf5a39b | 1233 | #define MAX_SAFE_PATH 1000 |
d23b8f57 RK |
1234 | char *tmpdir = getenv ("TMPDIR"); |
1235 | ||
fbf5a39b AC |
1236 | /* If tmpdir is longer than MAX_SAFE_PATH, revert to default value to avoid |
1237 | a buffer overflow. */ | |
1238 | if (tmpdir == NULL || strlen (tmpdir) > MAX_SAFE_PATH) | |
93a87598 AC |
1239 | #ifdef __ANDROID__ |
1240 | strcpy (tmp_filename, "/cache/gnat-XXXXXX"); | |
1241 | #else | |
d23b8f57 | 1242 | strcpy (tmp_filename, "/tmp/gnat-XXXXXX"); |
93a87598 | 1243 | #endif |
d23b8f57 | 1244 | else |
fbf5a39b | 1245 | sprintf (tmp_filename, "%s/gnat-XXXXXX", tmpdir); |
d23b8f57 RK |
1246 | |
1247 | close (mkstemp(tmp_filename)); | |
50ef946c AC |
1248 | #elif defined (__vxworks) && !defined (VTHREADS) |
1249 | int index; | |
1250 | char *pos; | |
1251 | char *savepos; | |
a95be2d4 AC |
1252 | static ushort_t seed = 0; /* used to generate unique name */ |
1253 | ||
50ef946c | 1254 | /* Generate a unique name. */ |
a95be2d4 AC |
1255 | strcpy (tmp_filename, "tmp"); |
1256 | ||
a95be2d4 | 1257 | index = 5; |
50ef946c | 1258 | savepos = pos = tmp_filename + strlen (tmp_filename) + index; |
a95be2d4 AC |
1259 | *pos = '\0'; |
1260 | ||
50ef946c AC |
1261 | while (1) |
1262 | { | |
1263 | FILE *f; | |
1264 | ushort_t t; | |
1265 | ||
1266 | /* Fill up the name buffer from the last position. */ | |
1267 | seed++; | |
01512446 | 1268 | for (t = seed; --index >= 0; t >>= 3) |
50ef946c AC |
1269 | *--pos = '0' + (t & 07); |
1270 | ||
1271 | /* Check to see if its unique, if not bump the seed and try again. */ | |
1272 | f = fopen (tmp_filename, "r"); | |
1273 | if (f == NULL) | |
1274 | break; | |
1275 | fclose (f); | |
1276 | pos = savepos; | |
1277 | index = 5; | |
1278 | } | |
d23b8f57 RK |
1279 | #else |
1280 | tmpnam (tmp_filename); | |
1281 | #endif | |
1282 | } | |
1283 | ||
0022d9e3 PO |
1284 | /* Open directory and returns a DIR pointer. */ |
1285 | ||
1286 | DIR* __gnat_opendir (char *name) | |
1287 | { | |
5ae7c3cf | 1288 | #if defined (__MINGW32__) |
0022d9e3 PO |
1289 | TCHAR wname[GNAT_MAX_PATH_LEN]; |
1290 | ||
ffec8e81 | 1291 | S2WSC (wname, name, GNAT_MAX_PATH_LEN); |
0022d9e3 PO |
1292 | return (DIR*)_topendir (wname); |
1293 | ||
1294 | #else | |
1295 | return opendir (name); | |
1296 | #endif | |
1297 | } | |
1298 | ||
d23b8f57 RK |
1299 | /* Read the next entry in a directory. The returned string points somewhere |
1300 | in the buffer. */ | |
1301 | ||
329be64b | 1302 | #if defined (__sun__) |
07aff4e3 AC |
1303 | /* For Solaris, be sure to use the 64-bit version, otherwise NFS reads may |
1304 | fail with EOVERFLOW if the server uses 64-bit cookies. */ | |
1305 | #define dirent dirent64 | |
1306 | #define readdir readdir64 | |
1307 | #endif | |
1308 | ||
d23b8f57 | 1309 | char * |
0022d9e3 | 1310 | __gnat_readdir (DIR *dirp, char *buffer, int *len) |
d23b8f57 | 1311 | { |
5ae7c3cf | 1312 | #if defined (__MINGW32__) |
0022d9e3 PO |
1313 | struct _tdirent *dirent = _treaddir ((_TDIR*)dirp); |
1314 | ||
1315 | if (dirent != NULL) | |
1316 | { | |
ffec8e81 | 1317 | WS2SC (buffer, dirent->d_name, GNAT_MAX_PATH_LEN); |
0022d9e3 PO |
1318 | *len = strlen (buffer); |
1319 | ||
1320 | return buffer; | |
1321 | } | |
1322 | else | |
1323 | return NULL; | |
1324 | ||
1325 | #elif defined (HAVE_READDIR_R) | |
d23b8f57 | 1326 | /* If possible, try to use the thread-safe version. */ |
d23b8f57 | 1327 | if (readdir_r (dirp, buffer) != NULL) |
d7598e11 PO |
1328 | { |
1329 | *len = strlen (((struct dirent*) buffer)->d_name); | |
1330 | return ((struct dirent*) buffer)->d_name; | |
1331 | } | |
d23b8f57 RK |
1332 | else |
1333 | return NULL; | |
1334 | ||
1335 | #else | |
0fb2ea01 | 1336 | struct dirent *dirent = (struct dirent *) readdir (dirp); |
d23b8f57 RK |
1337 | |
1338 | if (dirent != NULL) | |
1339 | { | |
1340 | strcpy (buffer, dirent->d_name); | |
0022d9e3 | 1341 | *len = strlen (buffer); |
d23b8f57 RK |
1342 | return buffer; |
1343 | } | |
1344 | else | |
1345 | return NULL; | |
1346 | ||
1347 | #endif | |
1348 | } | |
1349 | ||
0022d9e3 PO |
1350 | /* Close a directory entry. */ |
1351 | ||
1352 | int __gnat_closedir (DIR *dirp) | |
1353 | { | |
5ae7c3cf | 1354 | #if defined (__MINGW32__) |
0022d9e3 PO |
1355 | return _tclosedir ((_TDIR*)dirp); |
1356 | ||
1357 | #else | |
1358 | return closedir (dirp); | |
1359 | #endif | |
1360 | } | |
1361 | ||
d23b8f57 RK |
1362 | /* Returns 1 if readdir is thread safe, 0 otherwise. */ |
1363 | ||
1364 | int | |
9373164a | 1365 | __gnat_readdir_is_thread_safe (void) |
d23b8f57 RK |
1366 | { |
1367 | #ifdef HAVE_READDIR_R | |
1368 | return 1; | |
1369 | #else | |
1370 | return 0; | |
1371 | #endif | |
1372 | } | |
1373 | ||
5ae7c3cf | 1374 | #if defined (_WIN32) |
8f4eb34b DS |
1375 | /* Number of seconds between <Jan 1st 1601> and <Jan 1st 1970>. */ |
1376 | static const unsigned long long w32_epoch_offset = 11644473600ULL; | |
d23b8f57 RK |
1377 | |
1378 | /* Returns the file modification timestamp using Win32 routines which are | |
1379 | immune against daylight saving time change. It is in fact not possible to | |
1380 | use fstat for this purpose as the DST modify the st_mtime field of the | |
1381 | stat structure. */ | |
1382 | ||
1383 | static time_t | |
fbf5a39b | 1384 | win32_filetime (HANDLE h) |
d23b8f57 | 1385 | { |
8f4eb34b DS |
1386 | union |
1387 | { | |
1388 | FILETIME ft_time; | |
1389 | unsigned long long ull_time; | |
1390 | } t_write; | |
d23b8f57 RK |
1391 | |
1392 | /* GetFileTime returns FILETIME data which are the number of 100 nanosecs | |
1393 | since <Jan 1st 1601>. This function must return the number of seconds | |
1394 | since <Jan 1st 1970>. */ | |
1395 | ||
8f4eb34b | 1396 | if (GetFileTime (h, NULL, NULL, &t_write.ft_time)) |
0022d9e3 | 1397 | return (time_t) (t_write.ull_time / 10000000ULL - w32_epoch_offset); |
8f4eb34b | 1398 | return (time_t) 0; |
d23b8f57 | 1399 | } |
f6b5dc8e AC |
1400 | |
1401 | /* As above but starting from a FILETIME. */ | |
ff2efe85 | 1402 | static void |
7b536495 | 1403 | f2t (const FILETIME *ft, __time64_t *t) |
f6b5dc8e AC |
1404 | { |
1405 | union | |
1406 | { | |
1407 | FILETIME ft_time; | |
1408 | unsigned long long ull_time; | |
1409 | } t_write; | |
1410 | ||
1411 | t_write.ft_time = *ft; | |
7b536495 | 1412 | *t = (__time64_t) (t_write.ull_time / 10000000ULL - w32_epoch_offset); |
f6b5dc8e | 1413 | } |
d23b8f57 RK |
1414 | #endif |
1415 | ||
1416 | /* Return a GNAT time stamp given a file name. */ | |
1417 | ||
aa720a54 | 1418 | OS_Time |
48263c9a | 1419 | __gnat_file_time_name_attr (char* name, struct file_attributes* attr) |
d23b8f57 | 1420 | { |
48263c9a | 1421 | if (attr->timestamp == (OS_Time)-2) { |
5ae7c3cf | 1422 | #if defined (_WIN32) |
ff2efe85 AC |
1423 | BOOL res; |
1424 | WIN32_FILE_ATTRIBUTE_DATA fad; | |
7b536495 | 1425 | __time64_t ret = -1; |
48263c9a EB |
1426 | TCHAR wname[GNAT_MAX_PATH_LEN]; |
1427 | S2WSC (wname, name, GNAT_MAX_PATH_LEN); | |
0022d9e3 | 1428 | |
c228a069 | 1429 | if ((res = GetFileAttributesEx (wname, GetFileExInfoStandard, &fad))) |
ff2efe85 | 1430 | f2t (&fad.ftLastWriteTime, &ret); |
48263c9a | 1431 | attr->timestamp = (OS_Time) ret; |
d23b8f57 | 1432 | #else |
48263c9a | 1433 | __gnat_stat_to_attr (-1, name, attr); |
d23b8f57 | 1434 | #endif |
aa720a54 | 1435 | } |
48263c9a EB |
1436 | return attr->timestamp; |
1437 | } | |
1438 | ||
1439 | OS_Time | |
1440 | __gnat_file_time_name (char *name) | |
1441 | { | |
1442 | struct file_attributes attr; | |
6528a7ed | 1443 | __gnat_reset_attributes (&attr); |
48263c9a | 1444 | return __gnat_file_time_name_attr (name, &attr); |
d23b8f57 RK |
1445 | } |
1446 | ||
1447 | /* Return a GNAT time stamp given a file descriptor. */ | |
1448 | ||
aa720a54 | 1449 | OS_Time |
48263c9a | 1450 | __gnat_file_time_fd_attr (int fd, struct file_attributes* attr) |
d23b8f57 | 1451 | { |
48263c9a | 1452 | if (attr->timestamp == (OS_Time)-2) { |
5ae7c3cf | 1453 | #if defined (_WIN32) |
48263c9a EB |
1454 | HANDLE h = (HANDLE) _get_osfhandle (fd); |
1455 | time_t ret = win32_filetime (h); | |
1456 | attr->timestamp = (OS_Time) ret; | |
d23b8f57 RK |
1457 | |
1458 | #else | |
48263c9a | 1459 | __gnat_stat_to_attr (fd, NULL, attr); |
d23b8f57 | 1460 | #endif |
48263c9a EB |
1461 | } |
1462 | ||
1463 | return attr->timestamp; | |
1464 | } | |
1465 | ||
1466 | OS_Time | |
1467 | __gnat_file_time_fd (int fd) | |
1468 | { | |
1469 | struct file_attributes attr; | |
6528a7ed | 1470 | __gnat_reset_attributes (&attr); |
48263c9a | 1471 | return __gnat_file_time_fd_attr (fd, &attr); |
d23b8f57 RK |
1472 | } |
1473 | ||
07fc65c4 | 1474 | /* Set the file time stamp. */ |
9678de49 DR |
1475 | |
1476 | void | |
fbf5a39b | 1477 | __gnat_set_file_time_name (char *name, time_t time_stamp) |
9678de49 | 1478 | { |
ea7f928b | 1479 | #if defined (__vxworks) |
5917e80d | 1480 | |
07fc65c4 | 1481 | /* Code to implement __gnat_set_file_time_name for these systems. */ |
5917e80d | 1482 | |
5ae7c3cf | 1483 | #elif defined (_WIN32) |
8f4eb34b DS |
1484 | union |
1485 | { | |
1486 | FILETIME ft_time; | |
1487 | unsigned long long ull_time; | |
1488 | } t_write; | |
0022d9e3 | 1489 | TCHAR wname[GNAT_MAX_PATH_LEN]; |
6d244bbe | 1490 | |
ffec8e81 | 1491 | S2WSC (wname, name, GNAT_MAX_PATH_LEN); |
0022d9e3 PO |
1492 | |
1493 | HANDLE h = CreateFile | |
1494 | (wname, GENERIC_WRITE, FILE_SHARE_WRITE, NULL, | |
1495 | OPEN_EXISTING, FILE_FLAG_BACKUP_SEMANTICS, | |
1496 | NULL); | |
8f4eb34b DS |
1497 | if (h == INVALID_HANDLE_VALUE) |
1498 | return; | |
1499 | /* Add number of seconds between <Jan 1st 1601> and <Jan 1st 1970> */ | |
1500 | t_write.ull_time = ((unsigned long long)time_stamp + w32_epoch_offset); | |
1501 | /* Convert to 100 nanosecond units */ | |
1502 | t_write.ull_time *= 10000000ULL; | |
1503 | ||
1504 | SetFileTime(h, NULL, NULL, &t_write.ft_time); | |
1505 | CloseHandle (h); | |
1506 | return; | |
1507 | ||
9678de49 DR |
1508 | #else |
1509 | struct utimbuf utimbuf; | |
1510 | time_t t; | |
1511 | ||
07fc65c4 | 1512 | /* Set modification time to requested time. */ |
9678de49 DR |
1513 | utimbuf.modtime = time_stamp; |
1514 | ||
07fc65c4 | 1515 | /* Set access time to now in local time. */ |
192d0b15 | 1516 | t = time (NULL); |
9678de49 DR |
1517 | utimbuf.actime = mktime (localtime (&t)); |
1518 | ||
1519 | utime (name, &utimbuf); | |
1520 | #endif | |
1521 | } | |
1522 | ||
d23b8f57 RK |
1523 | /* Get the list of installed standard libraries from the |
1524 | HKEY_LOCAL_MACHINE\SOFTWARE\Ada Core Technologies\GNAT\Standard Libraries | |
1525 | key. */ | |
1526 | ||
1527 | char * | |
9373164a | 1528 | __gnat_get_libraries_from_registry (void) |
d23b8f57 | 1529 | { |
262991d8 PO |
1530 | char *result = (char *) xmalloc (1); |
1531 | ||
1532 | result[0] = '\0'; | |
d23b8f57 | 1533 | |
5ae7c3cf | 1534 | #if defined (_WIN32) && ! defined (__vxworks) && ! defined (IS_CROSS) |
d23b8f57 RK |
1535 | |
1536 | HKEY reg_key; | |
1537 | DWORD name_size, value_size; | |
1538 | char name[256]; | |
1539 | char value[256]; | |
1540 | DWORD type; | |
1541 | DWORD index; | |
1542 | LONG res; | |
1543 | ||
1544 | /* First open the key. */ | |
1545 | res = RegOpenKeyExA (HKEY_LOCAL_MACHINE, "SOFTWARE", 0, KEY_READ, ®_key); | |
1546 | ||
1547 | if (res == ERROR_SUCCESS) | |
1548 | res = RegOpenKeyExA (reg_key, "Ada Core Technologies", 0, | |
1549 | KEY_READ, ®_key); | |
1550 | ||
1551 | if (res == ERROR_SUCCESS) | |
1552 | res = RegOpenKeyExA (reg_key, "GNAT", 0, KEY_READ, ®_key); | |
1553 | ||
1554 | if (res == ERROR_SUCCESS) | |
1555 | res = RegOpenKeyExA (reg_key, "Standard Libraries", 0, KEY_READ, ®_key); | |
1556 | ||
1557 | /* If the key exists, read out all the values in it and concatenate them | |
1558 | into a path. */ | |
1559 | for (index = 0; res == ERROR_SUCCESS; index++) | |
1560 | { | |
1561 | value_size = name_size = 256; | |
03b64787 | 1562 | res = RegEnumValueA (reg_key, index, name, &name_size, 0, |
18f22284 | 1563 | &type, (LPBYTE)value, &value_size); |
d23b8f57 RK |
1564 | |
1565 | if (res == ERROR_SUCCESS && type == REG_SZ) | |
1566 | { | |
1567 | char *old_result = result; | |
1568 | ||
1569 | result = (char *) xmalloc (strlen (old_result) + value_size + 2); | |
1570 | strcpy (result, old_result); | |
1571 | strcat (result, value); | |
1572 | strcat (result, ";"); | |
262991d8 | 1573 | free (old_result); |
d23b8f57 RK |
1574 | } |
1575 | } | |
1576 | ||
1577 | /* Remove the trailing ";". */ | |
1578 | if (result[0] != 0) | |
1579 | result[strlen (result) - 1] = 0; | |
d0f8d157 | 1580 | |
262991d8 | 1581 | #endif |
d23b8f57 RK |
1582 | return result; |
1583 | } | |
1584 | ||
c6d2191a AC |
1585 | /* Query information for the given file NAME and return it in STATBUF. |
1586 | * Returns 0 for success, or errno value for failure. | |
1587 | */ | |
d23b8f57 | 1588 | int |
f6c7fcc0 | 1589 | __gnat_stat (char *name, GNAT_STRUCT_STAT *statbuf) |
d23b8f57 | 1590 | { |
0022d9e3 | 1591 | #ifdef __MINGW32__ |
f6b5dc8e | 1592 | WIN32_FILE_ATTRIBUTE_DATA fad; |
0022d9e3 | 1593 | TCHAR wname [GNAT_MAX_PATH_LEN + 2]; |
f6b5dc8e AC |
1594 | int name_len; |
1595 | BOOL res; | |
47e11d08 | 1596 | DWORD error; |
0022d9e3 | 1597 | |
ffec8e81 | 1598 | S2WSC (wname, name, GNAT_MAX_PATH_LEN + 2); |
0022d9e3 | 1599 | name_len = _tcslen (wname); |
9596236a AC |
1600 | |
1601 | if (name_len > GNAT_MAX_PATH_LEN) | |
c6d2191a | 1602 | return EINVAL; |
d23b8f57 | 1603 | |
f6b5dc8e AC |
1604 | ZeroMemory (statbuf, sizeof(GNAT_STRUCT_STAT)); |
1605 | ||
1606 | res = GetFileAttributesEx (wname, GetFileExInfoStandard, &fad); | |
1607 | ||
47e11d08 AC |
1608 | if (res == FALSE) { |
1609 | error = GetLastError(); | |
1610 | ||
1611 | /* Check file existence using GetFileAttributes() which does not fail on | |
1612 | special Windows files like con:, aux:, nul: etc... */ | |
1613 | ||
1614 | if (GetFileAttributes(wname) != INVALID_FILE_ATTRIBUTES) { | |
1615 | /* Just pretend that it is a regular and readable file */ | |
1616 | statbuf->st_mode = S_IFREG | S_IREAD | S_IWRITE; | |
1617 | return 0; | |
1618 | } | |
1619 | ||
1620 | switch (error) { | |
ff2efe85 AC |
1621 | case ERROR_ACCESS_DENIED: |
1622 | case ERROR_SHARING_VIOLATION: | |
1623 | case ERROR_LOCK_VIOLATION: | |
1624 | case ERROR_SHARING_BUFFER_EXCEEDED: | |
1625 | return EACCES; | |
1626 | case ERROR_BUFFER_OVERFLOW: | |
1627 | return ENAMETOOLONG; | |
1628 | case ERROR_NOT_ENOUGH_MEMORY: | |
1629 | return ENOMEM; | |
1630 | default: | |
1631 | return ENOENT; | |
d23b8f57 | 1632 | } |
47e11d08 | 1633 | } |
d23b8f57 | 1634 | |
f6b5dc8e AC |
1635 | f2t (&fad.ftCreationTime, &statbuf->st_ctime); |
1636 | f2t (&fad.ftLastWriteTime, &statbuf->st_mtime); | |
1637 | f2t (&fad.ftLastAccessTime, &statbuf->st_atime); | |
223eab97 | 1638 | |
24228312 AC |
1639 | statbuf->st_size = |
1640 | (__int64)fad.nFileSizeLow | (__int64)fad.nFileSizeHigh << 32; | |
223eab97 | 1641 | |
f6b5dc8e AC |
1642 | /* We do not have the S_IEXEC attribute, but this is not used on GNAT. */ |
1643 | statbuf->st_mode = S_IREAD; | |
d23b8f57 | 1644 | |
f6b5dc8e AC |
1645 | if (fad.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) |
1646 | statbuf->st_mode |= S_IFDIR; | |
1647 | else | |
1648 | statbuf->st_mode |= S_IFREG; | |
1649 | ||
1650 | if (!(fad.dwFileAttributes & FILE_ATTRIBUTE_READONLY)) | |
1651 | statbuf->st_mode |= S_IWRITE; | |
1652 | ||
1653 | return 0; | |
d23b8f57 RK |
1654 | |
1655 | #else | |
c6d2191a | 1656 | return GNAT_STAT (name, statbuf) == 0 ? 0 : errno; |
d23b8f57 RK |
1657 | #endif |
1658 | } | |
1659 | ||
48263c9a EB |
1660 | /************************************************************************* |
1661 | ** Check whether a file exists | |
1662 | *************************************************************************/ | |
1663 | ||
d23b8f57 | 1664 | int |
48263c9a | 1665 | __gnat_file_exists_attr (char* name, struct file_attributes* attr) |
d23b8f57 | 1666 | { |
5644b7e8 AC |
1667 | if (attr->exists == ATTR_UNSET) |
1668 | __gnat_stat_to_attr (-1, name, attr); | |
48263c9a EB |
1669 | |
1670 | return attr->exists; | |
d23b8f57 RK |
1671 | } |
1672 | ||
48263c9a EB |
1673 | int |
1674 | __gnat_file_exists (char *name) | |
1675 | { | |
1676 | struct file_attributes attr; | |
6528a7ed | 1677 | __gnat_reset_attributes (&attr); |
48263c9a EB |
1678 | return __gnat_file_exists_attr (name, &attr); |
1679 | } | |
1680 | ||
1681 | /********************************************************************** | |
1682 | ** Whether name is an absolute path | |
1683 | **********************************************************************/ | |
1684 | ||
fbf5a39b | 1685 | int |
cc4f0de1 | 1686 | __gnat_is_absolute_path (char *name, int length) |
d23b8f57 | 1687 | { |
fdcf961c JR |
1688 | #ifdef __vxworks |
1689 | /* On VxWorks systems, an absolute path can be represented (depending on | |
1690 | the host platform) as either /dir/file, or device:/dir/file, or | |
1691 | device:drive_letter:/dir/file. */ | |
1692 | ||
1693 | int index; | |
1694 | ||
1695 | if (name[0] == '/') | |
1696 | return 1; | |
1697 | ||
1698 | for (index = 0; index < length; index++) | |
1699 | { | |
1700 | if (name[index] == ':' && | |
1701 | ((name[index + 1] == '/') || | |
1702 | (isalpha (name[index + 1]) && index + 2 <= length && | |
1703 | name[index + 2] == '/'))) | |
1704 | return 1; | |
1705 | ||
1706 | else if (name[index] == '/') | |
1707 | return 0; | |
1708 | } | |
1709 | return 0; | |
1710 | #else | |
cc4f0de1 AC |
1711 | return (length != 0) && |
1712 | (*name == '/' || *name == DIR_SEPARATOR | |
91f2eb13 | 1713 | #if defined (WINNT) || defined(__DJGPP__) |
dd7ac716 | 1714 | || (length > 1 && ISALPHA (name[0]) && name[1] == ':') |
d23b8f57 | 1715 | #endif |
262991d8 | 1716 | ); |
fdcf961c | 1717 | #endif |
d23b8f57 RK |
1718 | } |
1719 | ||
48263c9a EB |
1720 | int |
1721 | __gnat_is_regular_file_attr (char* name, struct file_attributes* attr) | |
1722 | { | |
5644b7e8 AC |
1723 | if (attr->regular == ATTR_UNSET) |
1724 | __gnat_stat_to_attr (-1, name, attr); | |
48263c9a EB |
1725 | |
1726 | return attr->regular; | |
1727 | } | |
1728 | ||
d23b8f57 | 1729 | int |
fbf5a39b | 1730 | __gnat_is_regular_file (char *name) |
d23b8f57 | 1731 | { |
48263c9a | 1732 | struct file_attributes attr; |
5644b7e8 | 1733 | |
6528a7ed | 1734 | __gnat_reset_attributes (&attr); |
48263c9a EB |
1735 | return __gnat_is_regular_file_attr (name, &attr); |
1736 | } | |
1737 | ||
fce54763 AC |
1738 | int |
1739 | __gnat_is_regular_file_fd (int fd) | |
1740 | { | |
1741 | int ret; | |
1742 | GNAT_STRUCT_STAT statbuf; | |
1743 | ||
1744 | ret = GNAT_FSTAT (fd, &statbuf); | |
1745 | return (!ret && S_ISREG (statbuf.st_mode)); | |
1746 | } | |
1747 | ||
48263c9a EB |
1748 | int |
1749 | __gnat_is_directory_attr (char* name, struct file_attributes* attr) | |
1750 | { | |
5644b7e8 AC |
1751 | if (attr->directory == ATTR_UNSET) |
1752 | __gnat_stat_to_attr (-1, name, attr); | |
d23b8f57 | 1753 | |
48263c9a | 1754 | return attr->directory; |
d23b8f57 RK |
1755 | } |
1756 | ||
1757 | int | |
fbf5a39b | 1758 | __gnat_is_directory (char *name) |
d23b8f57 | 1759 | { |
48263c9a | 1760 | struct file_attributes attr; |
5644b7e8 | 1761 | |
6528a7ed | 1762 | __gnat_reset_attributes (&attr); |
48263c9a | 1763 | return __gnat_is_directory_attr (name, &attr); |
d23b8f57 RK |
1764 | } |
1765 | ||
5ae7c3cf | 1766 | #if defined (_WIN32) |
f8b86c2d AC |
1767 | |
1768 | /* Returns the same constant as GetDriveType but takes a pathname as | |
1769 | argument. */ | |
1770 | ||
1771 | static UINT | |
1772 | GetDriveTypeFromPath (TCHAR *wfullpath) | |
1773 | { | |
1774 | TCHAR wdrv[MAX_PATH]; | |
1775 | TCHAR wpath[MAX_PATH]; | |
1776 | TCHAR wfilename[MAX_PATH]; | |
1777 | TCHAR wext[MAX_PATH]; | |
1778 | ||
1779 | _tsplitpath (wfullpath, wdrv, wpath, wfilename, wext); | |
1780 | ||
1781 | if (_tcslen (wdrv) != 0) | |
1782 | { | |
1783 | /* we have a drive specified. */ | |
1784 | _tcscat (wdrv, _T("\\")); | |
1785 | return GetDriveType (wdrv); | |
1786 | } | |
1787 | else | |
1788 | { | |
1789 | /* No drive specified. */ | |
1790 | ||
1791 | /* Is this a relative path, if so get current drive type. */ | |
1792 | if (wpath[0] != _T('\\') || | |
5644b7e8 AC |
1793 | (_tcslen (wpath) > 2 && wpath[0] == _T('\\') |
1794 | && wpath[1] != _T('\\'))) | |
262991d8 | 1795 | return GetDriveType (NULL); |
f8b86c2d AC |
1796 | |
1797 | UINT result = GetDriveType (wpath); | |
1798 | ||
1799 | /* Cannot guess the drive type, is this \\.\ ? */ | |
1800 | ||
1801 | if (result == DRIVE_NO_ROOT_DIR && | |
262991d8 PO |
1802 | _tcslen (wpath) >= 4 && wpath[0] == _T('\\') && wpath[1] == _T('\\') |
1803 | && wpath[2] == _T('.') && wpath[3] == _T('\\')) | |
1804 | { | |
1805 | if (_tcslen (wpath) == 4) | |
1806 | _tcscat (wpath, wfilename); | |
f8b86c2d | 1807 | |
262991d8 PO |
1808 | LPTSTR p = &wpath[4]; |
1809 | LPTSTR b = _tcschr (p, _T('\\')); | |
f8b86c2d | 1810 | |
262991d8 | 1811 | if (b != NULL) |
5644b7e8 AC |
1812 | { |
1813 | /* logical drive \\.\c\dir\file */ | |
262991d8 PO |
1814 | *b++ = _T(':'); |
1815 | *b++ = _T('\\'); | |
1816 | *b = _T('\0'); | |
1817 | } | |
1818 | else | |
1819 | _tcscat (p, _T(":\\")); | |
f8b86c2d | 1820 | |
262991d8 PO |
1821 | return GetDriveType (p); |
1822 | } | |
f8b86c2d AC |
1823 | |
1824 | return result; | |
1825 | } | |
1826 | } | |
1827 | ||
5644b7e8 | 1828 | /* This MingW section contains code to work with ACL. */ |
d559d5c6 | 1829 | static int |
5644b7e8 AC |
1830 | __gnat_check_OWNER_ACL (TCHAR *wname, |
1831 | DWORD CheckAccessDesired, | |
1832 | GENERIC_MAPPING CheckGenericMapping) | |
d559d5c6 | 1833 | { |
d559d5c6 AC |
1834 | DWORD dwAccessDesired, dwAccessAllowed; |
1835 | PRIVILEGE_SET PrivilegeSet; | |
1836 | DWORD dwPrivSetSize = sizeof (PRIVILEGE_SET); | |
1837 | BOOL fAccessGranted = FALSE; | |
4fd1e8b0 AC |
1838 | HANDLE hToken = NULL; |
1839 | DWORD nLength = 0; | |
7b536495 | 1840 | PSECURITY_DESCRIPTOR pSD = NULL; |
d559d5c6 | 1841 | |
d559d5c6 AC |
1842 | GetFileSecurity |
1843 | (wname, OWNER_SECURITY_INFORMATION | | |
1844 | GROUP_SECURITY_INFORMATION | DACL_SECURITY_INFORMATION, | |
1845 | NULL, 0, &nLength); | |
1846 | ||
ba1a9233 | 1847 | if ((pSD = (SECURITY_DESCRIPTOR *) HeapAlloc |
d559d5c6 AC |
1848 | (GetProcessHeap (), HEAP_ZERO_MEMORY, nLength)) == NULL) |
1849 | return 0; | |
1850 | ||
5644b7e8 | 1851 | /* Obtain the security descriptor. */ |
d559d5c6 AC |
1852 | |
1853 | if (!GetFileSecurity | |
1854 | (wname, OWNER_SECURITY_INFORMATION | | |
1855 | GROUP_SECURITY_INFORMATION | DACL_SECURITY_INFORMATION, | |
1856 | pSD, nLength, &nLength)) | |
4fd1e8b0 | 1857 | goto error; |
d559d5c6 AC |
1858 | |
1859 | if (!ImpersonateSelf (SecurityImpersonation)) | |
4fd1e8b0 | 1860 | goto error; |
d559d5c6 AC |
1861 | |
1862 | if (!OpenThreadToken | |
1863 | (GetCurrentThread(), TOKEN_DUPLICATE | TOKEN_QUERY, FALSE, &hToken)) | |
4fd1e8b0 | 1864 | goto error; |
d559d5c6 AC |
1865 | |
1866 | /* Undoes the effect of ImpersonateSelf. */ | |
1867 | ||
1868 | RevertToSelf (); | |
1869 | ||
1870 | /* We want to test for write permissions. */ | |
1871 | ||
1872 | dwAccessDesired = CheckAccessDesired; | |
1873 | ||
1874 | MapGenericMask (&dwAccessDesired, &CheckGenericMapping); | |
1875 | ||
1876 | if (!AccessCheck | |
1877 | (pSD , /* security descriptor to check */ | |
1878 | hToken, /* impersonation token */ | |
1879 | dwAccessDesired, /* requested access rights */ | |
1880 | &CheckGenericMapping, /* pointer to GENERIC_MAPPING */ | |
1881 | &PrivilegeSet, /* receives privileges used in check */ | |
1882 | &dwPrivSetSize, /* size of PrivilegeSet buffer */ | |
1883 | &dwAccessAllowed, /* receives mask of allowed access rights */ | |
1884 | &fAccessGranted)) | |
4fd1e8b0 | 1885 | goto error; |
d559d5c6 | 1886 | |
4fd1e8b0 AC |
1887 | CloseHandle (hToken); |
1888 | HeapFree (GetProcessHeap (), 0, pSD); | |
d559d5c6 | 1889 | return fAccessGranted; |
4fd1e8b0 AC |
1890 | |
1891 | error: | |
1892 | if (hToken) | |
1893 | CloseHandle (hToken); | |
1894 | HeapFree (GetProcessHeap (), 0, pSD); | |
1895 | return 0; | |
d559d5c6 AC |
1896 | } |
1897 | ||
1898 | static void | |
5644b7e8 | 1899 | __gnat_set_OWNER_ACL (TCHAR *wname, |
7b536495 | 1900 | ACCESS_MODE AccessMode, |
5644b7e8 | 1901 | DWORD AccessPermissions) |
d559d5c6 | 1902 | { |
75069667 VF |
1903 | PACL pOldDACL = NULL; |
1904 | PACL pNewDACL = NULL; | |
1905 | PSECURITY_DESCRIPTOR pSD = NULL; | |
d559d5c6 AC |
1906 | EXPLICIT_ACCESS ea; |
1907 | TCHAR username [100]; | |
1908 | DWORD unsize = 100; | |
1909 | ||
d559d5c6 AC |
1910 | /* Get current user, he will act as the owner */ |
1911 | ||
1912 | if (!GetUserName (username, &unsize)) | |
1913 | return; | |
1914 | ||
43540ec6 AC |
1915 | if (GetNamedSecurityInfo |
1916 | (wname, | |
d559d5c6 AC |
1917 | SE_FILE_OBJECT, |
1918 | DACL_SECURITY_INFORMATION, | |
1919 | NULL, NULL, &pOldDACL, NULL, &pSD) != ERROR_SUCCESS) | |
1920 | return; | |
1921 | ||
43540ec6 | 1922 | BuildExplicitAccessWithName |
ba1a9233 | 1923 | (&ea, username, AccessPermissions, (ACCESS_MODE) AccessMode, NO_INHERITANCE); |
d559d5c6 AC |
1924 | |
1925 | if (AccessMode == SET_ACCESS) | |
1926 | { | |
1927 | /* SET_ACCESS, we want to set an explicte set of permissions, do not | |
262991d8 | 1928 | merge with current DACL. */ |
d559d5c6 | 1929 | if (SetEntriesInAcl (1, &ea, NULL, &pNewDACL) != ERROR_SUCCESS) |
262991d8 | 1930 | return; |
d559d5c6 AC |
1931 | } |
1932 | else | |
1933 | if (SetEntriesInAcl (1, &ea, pOldDACL, &pNewDACL) != ERROR_SUCCESS) | |
1934 | return; | |
1935 | ||
43540ec6 AC |
1936 | if (SetNamedSecurityInfo |
1937 | (wname, SE_FILE_OBJECT, | |
d559d5c6 AC |
1938 | DACL_SECURITY_INFORMATION, NULL, NULL, pNewDACL, NULL) != ERROR_SUCCESS) |
1939 | return; | |
1940 | ||
1941 | LocalFree (pSD); | |
1942 | LocalFree (pNewDACL); | |
d559d5c6 | 1943 | } |
f8b86c2d AC |
1944 | |
1945 | /* Check if it is possible to use ACL for wname, the file must not be on a | |
1946 | network drive. */ | |
1947 | ||
1948 | static int | |
1949 | __gnat_can_use_acl (TCHAR *wname) | |
1950 | { | |
1951 | return __gnat_use_acl && GetDriveTypeFromPath (wname) != DRIVE_REMOTE; | |
1952 | } | |
1953 | ||
5ae7c3cf | 1954 | #endif /* defined (_WIN32) */ |
d559d5c6 | 1955 | |
d23b8f57 | 1956 | int |
48263c9a | 1957 | __gnat_is_readable_file_attr (char* name, struct file_attributes* attr) |
fbf5a39b | 1958 | { |
5644b7e8 AC |
1959 | if (attr->readable == ATTR_UNSET) |
1960 | { | |
5ae7c3cf | 1961 | #if defined (_WIN32) |
5644b7e8 AC |
1962 | TCHAR wname [GNAT_MAX_PATH_LEN + 2]; |
1963 | GENERIC_MAPPING GenericMapping; | |
a07c3593 | 1964 | |
5644b7e8 | 1965 | S2WSC (wname, name, GNAT_MAX_PATH_LEN + 2); |
d559d5c6 | 1966 | |
5644b7e8 AC |
1967 | if (__gnat_can_use_acl (wname)) |
1968 | { | |
1969 | ZeroMemory (&GenericMapping, sizeof (GENERIC_MAPPING)); | |
1970 | GenericMapping.GenericRead = GENERIC_READ; | |
1971 | attr->readable = | |
1972 | __gnat_check_OWNER_ACL (wname, FILE_READ_DATA, GenericMapping); | |
1973 | } | |
1974 | else | |
1975 | attr->readable = GetFileAttributes (wname) != INVALID_FILE_ATTRIBUTES; | |
d559d5c6 | 1976 | #else |
5644b7e8 | 1977 | __gnat_stat_to_attr (-1, name, attr); |
d559d5c6 | 1978 | #endif |
5644b7e8 | 1979 | } |
48263c9a EB |
1980 | |
1981 | return attr->readable; | |
fbf5a39b AC |
1982 | } |
1983 | ||
0640c7d1 AC |
1984 | int |
1985 | __gnat_is_read_accessible_file (char *name) | |
1986 | { | |
1987 | #if defined (_WIN32) | |
1988 | TCHAR wname [GNAT_MAX_PATH_LEN + 2]; | |
1989 | ||
1990 | S2WSC (wname, name, GNAT_MAX_PATH_LEN + 2); | |
1991 | ||
86ec3bfb AC |
1992 | return !_waccess (wname, 4); |
1993 | ||
1994 | #elif defined (__vxworks) | |
1995 | int fd; | |
1996 | ||
833c1dbc | 1997 | if ((fd = open (name, O_RDONLY, 0)) < 0) |
86ec3bfb AC |
1998 | return 0; |
1999 | close (fd); | |
2000 | return 1; | |
2001 | ||
0640c7d1 AC |
2002 | #else |
2003 | return !access (name, R_OK); | |
2004 | #endif | |
2005 | } | |
2006 | ||
fbf5a39b | 2007 | int |
48263c9a EB |
2008 | __gnat_is_readable_file (char *name) |
2009 | { | |
2010 | struct file_attributes attr; | |
5644b7e8 | 2011 | |
6528a7ed | 2012 | __gnat_reset_attributes (&attr); |
48263c9a EB |
2013 | return __gnat_is_readable_file_attr (name, &attr); |
2014 | } | |
2015 | ||
2016 | int | |
2017 | __gnat_is_writable_file_attr (char* name, struct file_attributes* attr) | |
d23b8f57 | 2018 | { |
5644b7e8 AC |
2019 | if (attr->writable == ATTR_UNSET) |
2020 | { | |
5ae7c3cf | 2021 | #if defined (_WIN32) |
5644b7e8 AC |
2022 | TCHAR wname [GNAT_MAX_PATH_LEN + 2]; |
2023 | GENERIC_MAPPING GenericMapping; | |
a07c3593 | 2024 | |
5644b7e8 | 2025 | S2WSC (wname, name, GNAT_MAX_PATH_LEN + 2); |
a07c3593 | 2026 | |
5644b7e8 AC |
2027 | if (__gnat_can_use_acl (wname)) |
2028 | { | |
2029 | ZeroMemory (&GenericMapping, sizeof (GENERIC_MAPPING)); | |
2030 | GenericMapping.GenericWrite = GENERIC_WRITE; | |
03b64787 | 2031 | |
5644b7e8 | 2032 | attr->writable = __gnat_check_OWNER_ACL |
48263c9a EB |
2033 | (wname, FILE_WRITE_DATA | FILE_APPEND_DATA, GenericMapping) |
2034 | && !(GetFileAttributes (wname) & FILE_ATTRIBUTE_READONLY); | |
5644b7e8 AC |
2035 | } |
2036 | else | |
2037 | attr->writable = | |
2038 | !(GetFileAttributes (wname) & FILE_ATTRIBUTE_READONLY); | |
d559d5c6 | 2039 | |
d559d5c6 | 2040 | #else |
5644b7e8 | 2041 | __gnat_stat_to_attr (-1, name, attr); |
d559d5c6 | 2042 | #endif |
5644b7e8 | 2043 | } |
48263c9a EB |
2044 | |
2045 | return attr->writable; | |
d559d5c6 AC |
2046 | } |
2047 | ||
2048 | int | |
48263c9a | 2049 | __gnat_is_writable_file (char *name) |
d559d5c6 | 2050 | { |
48263c9a | 2051 | struct file_attributes attr; |
5644b7e8 | 2052 | |
6528a7ed | 2053 | __gnat_reset_attributes (&attr); |
48263c9a EB |
2054 | return __gnat_is_writable_file_attr (name, &attr); |
2055 | } | |
2056 | ||
0640c7d1 AC |
2057 | int |
2058 | __gnat_is_write_accessible_file (char *name) | |
2059 | { | |
2060 | #if defined (_WIN32) | |
2061 | TCHAR wname [GNAT_MAX_PATH_LEN + 2]; | |
2062 | ||
2063 | S2WSC (wname, name, GNAT_MAX_PATH_LEN + 2); | |
2064 | ||
86ec3bfb AC |
2065 | return !_waccess (wname, 2); |
2066 | ||
2067 | #elif defined (__vxworks) | |
2068 | int fd; | |
2069 | ||
833c1dbc | 2070 | if ((fd = open (name, O_WRONLY, 0)) < 0) |
86ec3bfb AC |
2071 | return 0; |
2072 | close (fd); | |
2073 | return 1; | |
2074 | ||
0640c7d1 AC |
2075 | #else |
2076 | return !access (name, W_OK); | |
2077 | #endif | |
2078 | } | |
2079 | ||
48263c9a EB |
2080 | int |
2081 | __gnat_is_executable_file_attr (char* name, struct file_attributes* attr) | |
2082 | { | |
5644b7e8 AC |
2083 | if (attr->executable == ATTR_UNSET) |
2084 | { | |
5ae7c3cf | 2085 | #if defined (_WIN32) |
5644b7e8 AC |
2086 | TCHAR wname [GNAT_MAX_PATH_LEN + 2]; |
2087 | GENERIC_MAPPING GenericMapping; | |
a07c3593 | 2088 | |
5644b7e8 | 2089 | S2WSC (wname, name, GNAT_MAX_PATH_LEN + 2); |
a07c3593 | 2090 | |
5644b7e8 AC |
2091 | if (__gnat_can_use_acl (wname)) |
2092 | { | |
2093 | ZeroMemory (&GenericMapping, sizeof (GENERIC_MAPPING)); | |
2094 | GenericMapping.GenericExecute = GENERIC_EXECUTE; | |
03b64787 | 2095 | |
5644b7e8 AC |
2096 | attr->executable = |
2097 | __gnat_check_OWNER_ACL (wname, FILE_EXECUTE, GenericMapping); | |
2098 | } | |
2099 | else | |
2100 | { | |
2101 | TCHAR *l, *last = _tcsstr(wname, _T(".exe")); | |
53f29d4f | 2102 | |
5644b7e8 AC |
2103 | /* look for last .exe */ |
2104 | if (last) | |
2105 | while ((l = _tcsstr(last+1, _T(".exe")))) | |
2106 | last = l; | |
53f29d4f | 2107 | |
5644b7e8 AC |
2108 | attr->executable = |
2109 | GetFileAttributes (wname) != INVALID_FILE_ATTRIBUTES | |
2110 | && (last - wname) == (int) (_tcslen (wname) - 4); | |
2111 | } | |
d559d5c6 | 2112 | #else |
5644b7e8 | 2113 | __gnat_stat_to_attr (-1, name, attr); |
d559d5c6 | 2114 | #endif |
5644b7e8 | 2115 | } |
48263c9a | 2116 | |
3699edc4 | 2117 | return attr->regular && attr->executable; |
48263c9a EB |
2118 | } |
2119 | ||
2120 | int | |
2121 | __gnat_is_executable_file (char *name) | |
2122 | { | |
2123 | struct file_attributes attr; | |
5644b7e8 | 2124 | |
6528a7ed | 2125 | __gnat_reset_attributes (&attr); |
48263c9a | 2126 | return __gnat_is_executable_file_attr (name, &attr); |
d23b8f57 RK |
2127 | } |
2128 | ||
fbf5a39b AC |
2129 | void |
2130 | __gnat_set_writable (char *name) | |
2131 | { | |
5ae7c3cf | 2132 | #if defined (_WIN32) |
a07c3593 AC |
2133 | TCHAR wname [GNAT_MAX_PATH_LEN + 2]; |
2134 | ||
ffec8e81 | 2135 | S2WSC (wname, name, GNAT_MAX_PATH_LEN + 2); |
a07c3593 | 2136 | |
f8b86c2d | 2137 | if (__gnat_can_use_acl (wname)) |
03b64787 AC |
2138 | __gnat_set_OWNER_ACL (wname, GRANT_ACCESS, FILE_GENERIC_WRITE); |
2139 | ||
a07c3593 AC |
2140 | SetFileAttributes |
2141 | (wname, GetFileAttributes (wname) & ~FILE_ATTRIBUTE_READONLY); | |
5ae7c3cf | 2142 | #elif ! (defined (__vxworks) && _WRS_VXWORKS_MAJOR < 6) |
f6c7fcc0 | 2143 | GNAT_STRUCT_STAT statbuf; |
fbf5a39b | 2144 | |
f6c7fcc0 | 2145 | if (GNAT_STAT (name, &statbuf) == 0) |
e5fe4251 PO |
2146 | { |
2147 | statbuf.st_mode = statbuf.st_mode | S_IWUSR; | |
2148 | chmod (name, statbuf.st_mode); | |
2149 | } | |
fbf5a39b AC |
2150 | #endif |
2151 | } | |
2152 | ||
d2d8b2a7 AC |
2153 | /* must match definition in s-os_lib.ads */ |
2154 | #define S_OWNER 1 | |
2155 | #define S_GROUP 2 | |
2156 | #define S_OTHERS 4 | |
2157 | ||
7324bf49 | 2158 | void |
7b536495 | 2159 | __gnat_set_executable (char *name, int mode ATTRIBUTE_UNUSED) |
7324bf49 | 2160 | { |
5ae7c3cf | 2161 | #if defined (_WIN32) |
a07c3593 AC |
2162 | TCHAR wname [GNAT_MAX_PATH_LEN + 2]; |
2163 | ||
f8b86c2d AC |
2164 | S2WSC (wname, name, GNAT_MAX_PATH_LEN + 2); |
2165 | ||
2166 | if (__gnat_can_use_acl (wname)) | |
2167 | __gnat_set_OWNER_ACL (wname, GRANT_ACCESS, FILE_GENERIC_EXECUTE); | |
a07c3593 | 2168 | |
5ae7c3cf | 2169 | #elif ! (defined (__vxworks) && _WRS_VXWORKS_MAJOR < 6) |
f6c7fcc0 | 2170 | GNAT_STRUCT_STAT statbuf; |
7324bf49 | 2171 | |
f6c7fcc0 | 2172 | if (GNAT_STAT (name, &statbuf) == 0) |
e5fe4251 | 2173 | { |
d2d8b2a7 AC |
2174 | if (mode & S_OWNER) |
2175 | statbuf.st_mode = statbuf.st_mode | S_IXUSR; | |
2176 | if (mode & S_GROUP) | |
2177 | statbuf.st_mode = statbuf.st_mode | S_IXGRP; | |
2178 | if (mode & S_OTHERS) | |
2179 | statbuf.st_mode = statbuf.st_mode | S_IXOTH; | |
e5fe4251 PO |
2180 | chmod (name, statbuf.st_mode); |
2181 | } | |
7324bf49 AC |
2182 | #endif |
2183 | } | |
2184 | ||
fbf5a39b | 2185 | void |
8b79ad42 | 2186 | __gnat_set_non_writable (char *name) |
fbf5a39b | 2187 | { |
5ae7c3cf | 2188 | #if defined (_WIN32) |
a07c3593 AC |
2189 | TCHAR wname [GNAT_MAX_PATH_LEN + 2]; |
2190 | ||
ffec8e81 | 2191 | S2WSC (wname, name, GNAT_MAX_PATH_LEN + 2); |
a07c3593 | 2192 | |
f8b86c2d | 2193 | if (__gnat_can_use_acl (wname)) |
03b64787 AC |
2194 | __gnat_set_OWNER_ACL |
2195 | (wname, DENY_ACCESS, | |
2196 | FILE_WRITE_DATA | FILE_APPEND_DATA | | |
2197 | FILE_WRITE_EA | FILE_WRITE_ATTRIBUTES); | |
2198 | ||
a07c3593 AC |
2199 | SetFileAttributes |
2200 | (wname, GetFileAttributes (wname) | FILE_ATTRIBUTE_READONLY); | |
5ae7c3cf | 2201 | #elif ! (defined (__vxworks) && _WRS_VXWORKS_MAJOR < 6) |
f6c7fcc0 | 2202 | GNAT_STRUCT_STAT statbuf; |
fbf5a39b | 2203 | |
f6c7fcc0 | 2204 | if (GNAT_STAT (name, &statbuf) == 0) |
43540ec6 AC |
2205 | { |
2206 | statbuf.st_mode = statbuf.st_mode & 07577; | |
2207 | chmod (name, statbuf.st_mode); | |
2208 | } | |
2209 | #endif | |
2210 | } | |
2211 | ||
2212 | void | |
2213 | __gnat_set_readable (char *name) | |
2214 | { | |
5ae7c3cf | 2215 | #if defined (_WIN32) |
43540ec6 AC |
2216 | TCHAR wname [GNAT_MAX_PATH_LEN + 2]; |
2217 | ||
f8b86c2d AC |
2218 | S2WSC (wname, name, GNAT_MAX_PATH_LEN + 2); |
2219 | ||
2220 | if (__gnat_can_use_acl (wname)) | |
2221 | __gnat_set_OWNER_ACL (wname, GRANT_ACCESS, FILE_GENERIC_READ); | |
43540ec6 | 2222 | |
5ae7c3cf | 2223 | #elif ! (defined (__vxworks) && _WRS_VXWORKS_MAJOR < 6) |
f6c7fcc0 | 2224 | GNAT_STRUCT_STAT statbuf; |
43540ec6 | 2225 | |
f6c7fcc0 | 2226 | if (GNAT_STAT (name, &statbuf) == 0) |
43540ec6 AC |
2227 | { |
2228 | chmod (name, statbuf.st_mode | S_IREAD); | |
2229 | } | |
2230 | #endif | |
2231 | } | |
2232 | ||
2233 | void | |
2234 | __gnat_set_non_readable (char *name) | |
2235 | { | |
5ae7c3cf | 2236 | #if defined (_WIN32) |
43540ec6 AC |
2237 | TCHAR wname [GNAT_MAX_PATH_LEN + 2]; |
2238 | ||
f8b86c2d AC |
2239 | S2WSC (wname, name, GNAT_MAX_PATH_LEN + 2); |
2240 | ||
2241 | if (__gnat_can_use_acl (wname)) | |
2242 | __gnat_set_OWNER_ACL (wname, DENY_ACCESS, FILE_GENERIC_READ); | |
43540ec6 | 2243 | |
5ae7c3cf | 2244 | #elif ! (defined (__vxworks) && _WRS_VXWORKS_MAJOR < 6) |
f6c7fcc0 | 2245 | GNAT_STRUCT_STAT statbuf; |
43540ec6 | 2246 | |
f6c7fcc0 | 2247 | if (GNAT_STAT (name, &statbuf) == 0) |
43540ec6 AC |
2248 | { |
2249 | chmod (name, statbuf.st_mode & (~S_IREAD)); | |
2250 | } | |
fbf5a39b AC |
2251 | #endif |
2252 | } | |
2253 | ||
2254 | int | |
8b3c6430 AC |
2255 | __gnat_is_symbolic_link_attr (char* name ATTRIBUTE_UNUSED, |
2256 | struct file_attributes* attr) | |
fbf5a39b | 2257 | { |
5644b7e8 AC |
2258 | if (attr->symbolic_link == ATTR_UNSET) |
2259 | { | |
5ae7c3cf | 2260 | #if defined (__vxworks) |
5644b7e8 | 2261 | attr->symbolic_link = 0; |
fbf5a39b | 2262 | |
f5a0cbf1 | 2263 | #elif defined (_AIX) || defined (__APPLE__) || defined (__unix__) |
5644b7e8 AC |
2264 | int ret; |
2265 | GNAT_STRUCT_STAT statbuf; | |
2266 | ret = GNAT_LSTAT (name, &statbuf); | |
2267 | attr->symbolic_link = (!ret && S_ISLNK (statbuf.st_mode)); | |
fbf5a39b | 2268 | #else |
5644b7e8 | 2269 | attr->symbolic_link = 0; |
fbf5a39b | 2270 | #endif |
5644b7e8 | 2271 | } |
48263c9a EB |
2272 | return attr->symbolic_link; |
2273 | } | |
2274 | ||
2275 | int | |
2276 | __gnat_is_symbolic_link (char *name ATTRIBUTE_UNUSED) | |
2277 | { | |
2278 | struct file_attributes attr; | |
5644b7e8 | 2279 | |
6528a7ed | 2280 | __gnat_reset_attributes (&attr); |
48263c9a | 2281 | return __gnat_is_symbolic_link_attr (name, &attr); |
fbf5a39b AC |
2282 | } |
2283 | ||
329be64b | 2284 | #if defined (__sun__) |
d23b8f57 RK |
2285 | /* Using fork on Solaris will duplicate all the threads. fork1, which |
2286 | duplicates only the active thread, must be used instead, or spawning | |
2287 | subprocess from a program with tasking will lead into numerous problems. */ | |
2288 | #define fork fork1 | |
2289 | #endif | |
2290 | ||
2291 | int | |
a1d3851b | 2292 | __gnat_portable_spawn (char *args[] ATTRIBUTE_UNUSED) |
d23b8f57 | 2293 | { |
a1d3851b | 2294 | int status ATTRIBUTE_UNUSED = 0; |
25412599 DS |
2295 | int finished ATTRIBUTE_UNUSED; |
2296 | int pid ATTRIBUTE_UNUSED; | |
d23b8f57 | 2297 | |
5ae7c3cf | 2298 | #if defined (__vxworks) || defined(__PikeOS__) |
b41ab480 PO |
2299 | return -1; |
2300 | ||
91f2eb13 | 2301 | #elif defined (__DJGPP__) || defined (_WIN32) |
af4b9434 | 2302 | /* args[0] must be quotes as it could contain a full pathname with spaces */ |
aa75e737 | 2303 | char *args_0 = args[0]; |
af4b9434 AC |
2304 | args[0] = (char *)xmalloc (strlen (args_0) + 3); |
2305 | strcpy (args[0], "\""); | |
2306 | strcat (args[0], args_0); | |
2307 | strcat (args[0], "\""); | |
2308 | ||
7b536495 | 2309 | status = spawnvp (P_WAIT, args_0, (char ** const)args); |
af4b9434 AC |
2310 | |
2311 | /* restore previous value */ | |
2312 | free (args[0]); | |
f5a0cbf1 | 2313 | args[0] = (char *)args_0; |
af4b9434 | 2314 | |
d23b8f57 | 2315 | if (status < 0) |
07fc65c4 | 2316 | return -1; |
d23b8f57 RK |
2317 | else |
2318 | return status; | |
2319 | ||
d23b8f57 RK |
2320 | #else |
2321 | ||
d23b8f57 | 2322 | pid = fork (); |
07fc65c4 GB |
2323 | if (pid < 0) |
2324 | return -1; | |
d23b8f57 | 2325 | |
07fc65c4 GB |
2326 | if (pid == 0) |
2327 | { | |
2328 | /* The child. */ | |
cc892b2c | 2329 | if (execv (args[0], MAYBE_TO_PTR32 (args)) != 0) |
262991d8 | 2330 | _exit (1); |
07fc65c4 | 2331 | } |
d23b8f57 | 2332 | |
07fc65c4 | 2333 | /* The parent. */ |
d23b8f57 RK |
2334 | finished = waitpid (pid, &status, 0); |
2335 | ||
2336 | if (finished != pid || WIFEXITED (status) == 0) | |
07fc65c4 | 2337 | return -1; |
d23b8f57 RK |
2338 | |
2339 | return WEXITSTATUS (status); | |
2340 | #endif | |
07fc65c4 | 2341 | |
d23b8f57 RK |
2342 | return 0; |
2343 | } | |
2344 | ||
f5a0cbf1 AC |
2345 | /* Create a copy of the given file descriptor. |
2346 | Return -1 if an error occurred. */ | |
2347 | ||
2348 | int | |
2349 | __gnat_dup (int oldfd) | |
2350 | { | |
b9260c3d AC |
2351 | #if defined (__vxworks) && !defined (__RTP__) |
2352 | /* Not supported on VxWorks 5.x, but supported on VxWorks 6.0 when using | |
2353 | RTPs. */ | |
2354 | return -1; | |
f5a0cbf1 | 2355 | #else |
b9260c3d | 2356 | return dup (oldfd); |
f5a0cbf1 AC |
2357 | #endif |
2358 | } | |
2359 | ||
2360 | /* Make newfd be the copy of oldfd, closing newfd first if necessary. | |
45f7cb60 | 2361 | Return -1 if an error occurred. */ |
f5a0cbf1 AC |
2362 | |
2363 | int | |
a1d3851b | 2364 | __gnat_dup2 (int oldfd ATTRIBUTE_UNUSED, int newfd ATTRIBUTE_UNUSED) |
f5a0cbf1 | 2365 | { |
b9260c3d AC |
2366 | #if defined (__vxworks) && !defined (__RTP__) |
2367 | /* Not supported on VxWorks 5.x, but supported on VxWorks 6.0 when using | |
2368 | RTPs. */ | |
f5a0cbf1 | 2369 | return -1; |
a1d3851b | 2370 | #elif defined (__PikeOS__) |
36357cf3 | 2371 | /* Not supported. */ |
a1d3851b | 2372 | return -1; |
d2d4b355 AC |
2373 | #elif defined (_WIN32) |
2374 | /* Special case when oldfd and newfd are identical and are the standard | |
2375 | input, output or error as this makes Windows XP hangs. Note that we | |
2376 | do that only for standard file descriptors that are known to be valid. */ | |
2377 | if (oldfd == newfd && newfd >= 0 && newfd <= 2) | |
2378 | return newfd; | |
2379 | else | |
2380 | return dup2 (oldfd, newfd); | |
f5a0cbf1 AC |
2381 | #else |
2382 | return dup2 (oldfd, newfd); | |
2383 | #endif | |
2384 | } | |
2385 | ||
7a259f2e VC |
2386 | int |
2387 | __gnat_number_of_cpus (void) | |
2388 | { | |
2389 | int cores = 1; | |
2390 | ||
329be64b | 2391 | #if defined (__linux__) || defined (__sun__) || defined (_AIX) \ |
90af5990 | 2392 | || defined (__APPLE__) || defined (__FreeBSD__) || defined (__OpenBSD__) \ |
9820b389 | 2393 | || defined (__DragonFly__) || defined (__NetBSD__) |
313d6f2c | 2394 | cores = (int) sysconf (_SC_NPROCESSORS_ONLN); |
20261dc1 | 2395 | |
9820b389 JL |
2396 | #elif defined (__QNX__) |
2397 | cores = (int) _syspage_ptr->num_cpu; | |
2398 | ||
20261dc1 | 2399 | #elif defined (__hpux__) |
313d6f2c AC |
2400 | struct pst_dynamic psd; |
2401 | if (pstat_getdynamic (&psd, sizeof (psd), 1, 0) != -1) | |
2402 | cores = (int) psd.psd_proc_cnt; | |
20261dc1 | 2403 | |
2551782d AC |
2404 | #elif defined (_WIN32) |
2405 | SYSTEM_INFO sysinfo; | |
2406 | GetSystemInfo (&sysinfo); | |
2407 | cores = (int) sysinfo.dwNumberOfProcessors; | |
a043e735 | 2408 | |
24558db8 | 2409 | #elif defined (_WRS_CONFIG_SMP) |
6a2e5d0f AC |
2410 | unsigned int vxCpuConfiguredGet (void); |
2411 | ||
2412 | cores = vxCpuConfiguredGet (); | |
2413 | ||
7a259f2e VC |
2414 | #endif |
2415 | ||
2416 | return cores; | |
2417 | } | |
2418 | ||
07fc65c4 GB |
2419 | /* WIN32 code to implement a wait call that wait for any child process. */ |
2420 | ||
5ae7c3cf | 2421 | #if defined (_WIN32) |
d23b8f57 RK |
2422 | |
2423 | /* Synchronization code, to be thread safe. */ | |
2424 | ||
af90c55a | 2425 | #ifdef CERT |
d23b8f57 | 2426 | |
af90c55a PO |
2427 | /* For the Cert run times on native Windows we use dummy functions |
2428 | for locking and unlocking tasks since we do not support multiple | |
2429 | threads on this configuration (Cert run time on native Windows). */ | |
d23b8f57 | 2430 | |
6c802906 AC |
2431 | static void EnterCS (void) {} |
2432 | static void LeaveCS (void) {} | |
2433 | static void SignalListChanged (void) {} | |
af90c55a PO |
2434 | |
2435 | #else | |
2436 | ||
6c802906 | 2437 | CRITICAL_SECTION ProcListCS; |
07e188be | 2438 | HANDLE ProcListEvt = NULL; |
6c802906 AC |
2439 | |
2440 | static void EnterCS (void) | |
2441 | { | |
2442 | EnterCriticalSection(&ProcListCS); | |
2443 | } | |
af90c55a | 2444 | |
6c802906 AC |
2445 | static void LeaveCS (void) |
2446 | { | |
2447 | LeaveCriticalSection(&ProcListCS); | |
2448 | } | |
2449 | ||
2450 | static void SignalListChanged (void) | |
2451 | { | |
2452 | SetEvent (ProcListEvt); | |
2453 | } | |
af90c55a PO |
2454 | |
2455 | #endif | |
d23b8f57 | 2456 | |
75069667 VF |
2457 | static HANDLE *HANDLES_LIST = NULL; |
2458 | static int *PID_LIST = NULL, plist_length = 0, plist_max_length = 0; | |
d23b8f57 RK |
2459 | |
2460 | static void | |
aa9ea6a1 | 2461 | add_handle (HANDLE h, int pid) |
d23b8f57 | 2462 | { |
d23b8f57 | 2463 | /* -------------------- critical section -------------------- */ |
6c802906 | 2464 | EnterCS(); |
af90c55a | 2465 | |
75069667 VF |
2466 | if (plist_length == plist_max_length) |
2467 | { | |
4b963531 | 2468 | plist_max_length += 100; |
75069667 | 2469 | HANDLES_LIST = |
7b536495 | 2470 | (HANDLE *) xrealloc (HANDLES_LIST, sizeof (HANDLE) * plist_max_length); |
75069667 | 2471 | PID_LIST = |
ba1a9233 | 2472 | (int *) xrealloc (PID_LIST, sizeof (int) * plist_max_length); |
75069667 VF |
2473 | } |
2474 | ||
2475 | HANDLES_LIST[plist_length] = h; | |
aa9ea6a1 | 2476 | PID_LIST[plist_length] = pid; |
d23b8f57 | 2477 | ++plist_length; |
d23b8f57 | 2478 | |
6c802906 AC |
2479 | SignalListChanged(); |
2480 | LeaveCS(); | |
af90c55a | 2481 | /* -------------------- critical section -------------------- */ |
d23b8f57 RK |
2482 | } |
2483 | ||
6c802906 AC |
2484 | int |
2485 | __gnat_win32_remove_handle (HANDLE h, int pid) | |
d23b8f57 | 2486 | { |
75069667 | 2487 | int j; |
6c802906 AC |
2488 | int found = 0; |
2489 | ||
2490 | /* -------------------- critical section -------------------- */ | |
2491 | EnterCS(); | |
d23b8f57 | 2492 | |
75069667 | 2493 | for (j = 0; j < plist_length; j++) |
d23b8f57 | 2494 | { |
75069667 | 2495 | if ((HANDLES_LIST[j] == h) || (PID_LIST[j] == pid)) |
d23b8f57 | 2496 | { |
75069667 VF |
2497 | CloseHandle (h); |
2498 | --plist_length; | |
2499 | HANDLES_LIST[j] = HANDLES_LIST[plist_length]; | |
2500 | PID_LIST[j] = PID_LIST[plist_length]; | |
6c802906 | 2501 | found = 1; |
d23b8f57 RK |
2502 | break; |
2503 | } | |
d23b8f57 | 2504 | } |
6654786e | 2505 | |
6c802906 | 2506 | LeaveCS(); |
6654786e | 2507 | /* -------------------- critical section -------------------- */ |
6654786e | 2508 | |
6c802906 AC |
2509 | if (found) |
2510 | SignalListChanged(); | |
d23b8f57 | 2511 | |
6c802906 | 2512 | return found; |
d23b8f57 RK |
2513 | } |
2514 | ||
aa9ea6a1 AC |
2515 | static void |
2516 | win32_no_block_spawn (char *command, char *args[], HANDLE *h, int *pid) | |
d23b8f57 RK |
2517 | { |
2518 | BOOL result; | |
2519 | STARTUPINFO SI; | |
2520 | PROCESS_INFORMATION PI; | |
2521 | SECURITY_ATTRIBUTES SA; | |
07fc65c4 GB |
2522 | int csize = 1; |
2523 | char *full_command; | |
d23b8f57 RK |
2524 | int k; |
2525 | ||
07fc65c4 GB |
2526 | /* compute the total command line length */ |
2527 | k = 0; | |
2528 | while (args[k]) | |
2529 | { | |
2530 | csize += strlen (args[k]) + 1; | |
2531 | k++; | |
2532 | } | |
2533 | ||
2534 | full_command = (char *) xmalloc (csize); | |
2535 | ||
d23b8f57 RK |
2536 | /* Startup info. */ |
2537 | SI.cb = sizeof (STARTUPINFO); | |
2538 | SI.lpReserved = NULL; | |
2539 | SI.lpReserved2 = NULL; | |
2540 | SI.lpDesktop = NULL; | |
2541 | SI.cbReserved2 = 0; | |
2542 | SI.lpTitle = NULL; | |
2543 | SI.dwFlags = 0; | |
2544 | SI.wShowWindow = SW_HIDE; | |
2545 | ||
2546 | /* Security attributes. */ | |
2547 | SA.nLength = sizeof (SECURITY_ATTRIBUTES); | |
2548 | SA.bInheritHandle = TRUE; | |
2549 | SA.lpSecurityDescriptor = NULL; | |
2550 | ||
2551 | /* Prepare the command string. */ | |
2552 | strcpy (full_command, command); | |
2553 | strcat (full_command, " "); | |
2554 | ||
2555 | k = 1; | |
2556 | while (args[k]) | |
2557 | { | |
2558 | strcat (full_command, args[k]); | |
2559 | strcat (full_command, " "); | |
2560 | k++; | |
2561 | } | |
2562 | ||
0022d9e3 PO |
2563 | { |
2564 | int wsize = csize * 2; | |
2565 | TCHAR *wcommand = (TCHAR *) xmalloc (wsize); | |
2566 | ||
ffec8e81 | 2567 | S2WSC (wcommand, full_command, wsize); |
0022d9e3 PO |
2568 | |
2569 | free (full_command); | |
d23b8f57 | 2570 | |
0022d9e3 PO |
2571 | result = CreateProcess |
2572 | (NULL, wcommand, &SA, NULL, TRUE, | |
2573 | GetPriorityClass (GetCurrentProcess()), NULL, NULL, &SI, &PI); | |
2574 | ||
2575 | free (wcommand); | |
2576 | } | |
07fc65c4 | 2577 | |
d23b8f57 RK |
2578 | if (result == TRUE) |
2579 | { | |
d23b8f57 | 2580 | CloseHandle (PI.hThread); |
aa9ea6a1 AC |
2581 | *h = PI.hProcess; |
2582 | *pid = PI.dwProcessId; | |
d23b8f57 RK |
2583 | } |
2584 | else | |
aa9ea6a1 AC |
2585 | { |
2586 | *h = NULL; | |
2587 | *pid = 0; | |
2588 | } | |
d23b8f57 RK |
2589 | } |
2590 | ||
2591 | static int | |
fbf5a39b | 2592 | win32_wait (int *status) |
d23b8f57 | 2593 | { |
75069667 | 2594 | DWORD exitcode, pid; |
d23b8f57 RK |
2595 | HANDLE *hl; |
2596 | HANDLE h; | |
6c802906 | 2597 | int *pidl; |
d23b8f57 | 2598 | DWORD res; |
23922a2f | 2599 | int hl_len; |
6c802906 | 2600 | int found; |
61b14896 | 2601 | int pos; |
d23b8f57 | 2602 | |
6c802906 | 2603 | START_WAIT: |
6654786e | 2604 | |
d23b8f57 RK |
2605 | if (plist_length == 0) |
2606 | { | |
2607 | errno = ECHILD; | |
2608 | return -1; | |
2609 | } | |
2610 | ||
6c802906 AC |
2611 | /* -------------------- critical section -------------------- */ |
2612 | EnterCS(); | |
2613 | ||
61b14896 PMR |
2614 | /* ??? We can't wait for more than MAXIMUM_WAIT_OBJECTS due to a Win32 |
2615 | limitation */ | |
2616 | if (plist_length < MAXIMUM_WAIT_OBJECTS) | |
23922a2f | 2617 | hl_len = plist_length; |
61b14896 PMR |
2618 | else |
2619 | { | |
2620 | errno = EINVAL; | |
2621 | return -1; | |
2622 | } | |
23922a2f | 2623 | |
6c802906 | 2624 | #ifdef CERT |
23922a2f | 2625 | hl = (HANDLE *) xmalloc (sizeof (HANDLE) * hl_len); |
75069667 | 2626 | memmove (hl, HANDLES_LIST, sizeof (HANDLE) * hl_len); |
6c802906 AC |
2627 | pidl = (int *) xmalloc (sizeof (int) * hl_len); |
2628 | memmove (pidl, PID_LIST, sizeof (int) * hl_len); | |
2629 | #else | |
3fbbbd1e | 2630 | /* Note that index 0 contains the event handle that is signaled when the |
6c802906 | 2631 | process list has changed */ |
c2d2963d | 2632 | hl = (HANDLE *) xmalloc (sizeof (HANDLE) * (hl_len + 1)); |
6c802906 AC |
2633 | hl[0] = ProcListEvt; |
2634 | memmove (&hl[1], HANDLES_LIST, sizeof (HANDLE) * hl_len); | |
c2d2963d | 2635 | pidl = (int *) xmalloc (sizeof (int) * (hl_len + 1)); |
6c802906 AC |
2636 | memmove (&pidl[1], PID_LIST, sizeof (int) * hl_len); |
2637 | hl_len++; | |
2638 | #endif | |
2639 | ||
2640 | LeaveCS(); | |
2641 | /* -------------------- critical section -------------------- */ | |
d23b8f57 | 2642 | |
23922a2f | 2643 | res = WaitForMultipleObjects (hl_len, hl, FALSE, INFINITE); |
d23b8f57 | 2644 | |
61b14896 PMR |
2645 | /* If there was an error, exit now */ |
2646 | if (res == WAIT_FAILED) | |
2647 | { | |
cd742f4a PO |
2648 | free (hl); |
2649 | free (pidl); | |
61b14896 PMR |
2650 | errno = EINVAL; |
2651 | return -1; | |
2652 | } | |
2653 | ||
6c802906 AC |
2654 | /* if the ProcListEvt has been signaled then the list of processes has been |
2655 | updated to add or remove a handle, just loop over */ | |
2656 | ||
2657 | if (res - WAIT_OBJECT_0 == 0) | |
2658 | { | |
2659 | free (hl); | |
2660 | free (pidl); | |
2661 | goto START_WAIT; | |
2662 | } | |
2663 | ||
61b14896 PMR |
2664 | /* Handle two distinct groups of return codes: finished waits and abandoned |
2665 | waits */ | |
2666 | ||
2667 | if (res < WAIT_ABANDONED_0) | |
2668 | pos = res - WAIT_OBJECT_0; | |
2669 | else | |
2670 | pos = res - WAIT_ABANDONED_0; | |
2671 | ||
2672 | h = hl[pos]; | |
d23b8f57 | 2673 | GetExitCodeProcess (h, &exitcode); |
61b14896 | 2674 | pid = pidl [pos]; |
6c802906 AC |
2675 | |
2676 | found = __gnat_win32_remove_handle (h, -1); | |
75069667 VF |
2677 | |
2678 | free (hl); | |
6c802906 AC |
2679 | free (pidl); |
2680 | ||
2681 | /* if not found another process waiting has already handled this process */ | |
2682 | ||
2683 | if (!found) | |
2684 | { | |
2685 | goto START_WAIT; | |
2686 | } | |
d23b8f57 RK |
2687 | |
2688 | *status = (int) exitcode; | |
75069667 | 2689 | return (int) pid; |
d23b8f57 RK |
2690 | } |
2691 | ||
2692 | #endif | |
2693 | ||
2694 | int | |
a1d3851b | 2695 | __gnat_portable_no_block_spawn (char *args[] ATTRIBUTE_UNUSED) |
d23b8f57 | 2696 | { |
d23b8f57 | 2697 | |
5ae7c3cf | 2698 | #if defined (__vxworks) || defined (__PikeOS__) |
a1d3851b | 2699 | /* Not supported. */ |
b41ab480 PO |
2700 | return -1; |
2701 | ||
91f2eb13 AP |
2702 | #elif defined(__DJGPP__) |
2703 | if (spawnvp (P_WAIT, args[0], args) != 0) | |
2704 | return -1; | |
2705 | else | |
2706 | return 0; | |
2707 | ||
d23b8f57 RK |
2708 | #elif defined (_WIN32) |
2709 | ||
75069667 | 2710 | HANDLE h = NULL; |
aa9ea6a1 | 2711 | int pid; |
75069667 | 2712 | |
aa9ea6a1 | 2713 | win32_no_block_spawn (args[0], args, &h, &pid); |
75069667 | 2714 | if (h != NULL) |
a7209434 | 2715 | { |
aa9ea6a1 AC |
2716 | add_handle (h, pid); |
2717 | return pid; | |
a7209434 AC |
2718 | } |
2719 | else | |
2720 | return -1; | |
d23b8f57 | 2721 | |
d23b8f57 | 2722 | #else |
75069667 VF |
2723 | |
2724 | int pid = fork (); | |
d23b8f57 | 2725 | |
07fc65c4 GB |
2726 | if (pid == 0) |
2727 | { | |
2728 | /* The child. */ | |
cc892b2c | 2729 | if (execv (args[0], MAYBE_TO_PTR32 (args)) != 0) |
262991d8 | 2730 | _exit (1); |
07fc65c4 GB |
2731 | } |
2732 | ||
d23b8f57 | 2733 | return pid; |
75069667 VF |
2734 | |
2735 | #endif | |
d23b8f57 RK |
2736 | } |
2737 | ||
2738 | int | |
fbf5a39b | 2739 | __gnat_portable_wait (int *process_status) |
d23b8f57 RK |
2740 | { |
2741 | int status = 0; | |
2742 | int pid = 0; | |
2743 | ||
5ae7c3cf | 2744 | #if defined (__vxworks) || defined (__PikeOS__) |
ea7f928b | 2745 | /* Not sure what to do here, so do nothing but return zero. */ |
b41ab480 PO |
2746 | |
2747 | #elif defined (_WIN32) | |
d23b8f57 RK |
2748 | |
2749 | pid = win32_wait (&status); | |
2750 | ||
91f2eb13 AP |
2751 | #elif defined (__DJGPP__) |
2752 | /* Child process has already ended in case of DJGPP. | |
2753 | No need to do anything. Just return success. */ | |
d23b8f57 RK |
2754 | #else |
2755 | ||
d23b8f57 | 2756 | pid = waitpid (-1, &status, 0); |
d23b8f57 | 2757 | status = status & 0xffff; |
36357cf3 AC |
2758 | #endif |
2759 | ||
2760 | *process_status = status; | |
2761 | return pid; | |
2762 | } | |
2763 | ||
2764 | int | |
2765 | __gnat_portable_no_block_wait (int *process_status) | |
2766 | { | |
2767 | int status = 0; | |
2768 | int pid = 0; | |
2769 | ||
2770 | #if defined (__vxworks) || defined (__PikeOS__) || defined (_WIN32) | |
2771 | /* Not supported. */ | |
2772 | status = -1; | |
2773 | ||
2774 | #else | |
2775 | ||
2776 | pid = waitpid (-1, &status, WNOHANG); | |
2777 | status = status & 0xffff; | |
d23b8f57 RK |
2778 | #endif |
2779 | ||
2780 | *process_status = status; | |
2781 | return pid; | |
2782 | } | |
2783 | ||
2784 | void | |
fbf5a39b | 2785 | __gnat_os_exit (int status) |
d23b8f57 | 2786 | { |
d23b8f57 | 2787 | exit (status); |
d23b8f57 RK |
2788 | } |
2789 | ||
876f1624 AC |
2790 | int |
2791 | __gnat_current_process_id (void) | |
2792 | { | |
2793 | #if defined (__vxworks) || defined (__PikeOS__) | |
2794 | return -1; | |
2795 | ||
2796 | #elif defined (_WIN32) | |
2797 | ||
2798 | return (int)GetCurrentProcessId(); | |
2799 | ||
2800 | #else | |
2801 | ||
2802 | return (int)getpid(); | |
2803 | #endif | |
2804 | } | |
2805 | ||
052e0603 | 2806 | /* Locate file on path, that matches a predicate */ |
d23b8f57 RK |
2807 | |
2808 | char * | |
5644b7e8 AC |
2809 | __gnat_locate_file_with_predicate (char *file_name, char *path_val, |
2810 | int (*predicate)(char *)) | |
d23b8f57 RK |
2811 | { |
2812 | char *ptr; | |
7d71283c | 2813 | char *file_path = (char *) alloca (strlen (file_name) + 1); |
99b97b2e DR |
2814 | int absolute; |
2815 | ||
e51b97be NS |
2816 | /* Return immediately if file_name is empty */ |
2817 | ||
2818 | if (*file_name == '\0') | |
2819 | return 0; | |
2820 | ||
99b97b2e DR |
2821 | /* Remove quotes around file_name if present */ |
2822 | ||
2823 | ptr = file_name; | |
2824 | if (*ptr == '"') | |
2825 | ptr++; | |
2826 | ||
2827 | strcpy (file_path, ptr); | |
2828 | ||
2829 | ptr = file_path + strlen (file_path) - 1; | |
2830 | ||
2831 | if (*ptr == '"') | |
2832 | *ptr = '\0'; | |
d23b8f57 | 2833 | |
07fc65c4 | 2834 | /* Handle absolute pathnames. */ |
99b97b2e DR |
2835 | |
2836 | absolute = __gnat_is_absolute_path (file_path, strlen (file_name)); | |
2837 | ||
fbf5a39b AC |
2838 | if (absolute) |
2839 | { | |
052e0603 | 2840 | if (predicate (file_path)) |
99b97b2e | 2841 | return xstrdup (file_path); |
fbf5a39b AC |
2842 | |
2843 | return 0; | |
2844 | } | |
2845 | ||
2846 | /* If file_name include directory separator(s), try it first as | |
2847 | a path name relative to the current directory */ | |
d23b8f57 RK |
2848 | for (ptr = file_name; *ptr && *ptr != '/' && *ptr != DIR_SEPARATOR; ptr++) |
2849 | ; | |
2850 | ||
fbf5a39b | 2851 | if (*ptr != 0) |
d23b8f57 | 2852 | { |
052e0603 | 2853 | if (predicate (file_name)) |
d23b8f57 | 2854 | return xstrdup (file_name); |
d23b8f57 RK |
2855 | } |
2856 | ||
2857 | if (path_val == 0) | |
2858 | return 0; | |
2859 | ||
2860 | { | |
2861 | /* The result has to be smaller than path_val + file_name. */ | |
8918fe18 AC |
2862 | char *file_path = |
2863 | (char *) alloca (strlen (path_val) + strlen (file_name) + 2); | |
d23b8f57 RK |
2864 | |
2865 | for (;;) | |
2866 | { | |
99b97b2e DR |
2867 | /* Skip the starting quote */ |
2868 | ||
2869 | if (*path_val == '"') | |
262991d8 | 2870 | path_val++; |
99b97b2e | 2871 | |
d23b8f57 | 2872 | for (ptr = file_path; *path_val && *path_val != PATH_SEPARATOR; ) |
262991d8 | 2873 | *ptr++ = *path_val++; |
d23b8f57 | 2874 | |
47d3b920 AC |
2875 | /* If directory is empty, it is the current directory*/ |
2876 | ||
2877 | if (ptr == file_path) | |
2878 | { | |
2879 | *ptr = '.'; | |
2880 | } | |
2881 | else | |
2882 | ptr--; | |
99b97b2e DR |
2883 | |
2884 | /* Skip the ending quote */ | |
2885 | ||
2886 | if (*ptr == '"') | |
262991d8 | 2887 | ptr--; |
99b97b2e | 2888 | |
d23b8f57 RK |
2889 | if (*ptr != '/' && *ptr != DIR_SEPARATOR) |
2890 | *++ptr = DIR_SEPARATOR; | |
2891 | ||
2892 | strcpy (++ptr, file_name); | |
2893 | ||
052e0603 | 2894 | if (predicate (file_path)) |
d23b8f57 | 2895 | return xstrdup (file_path); |
47d3b920 AC |
2896 | |
2897 | if (*path_val == 0) | |
2898 | return 0; | |
2899 | ||
2900 | /* Skip path separator */ | |
2901 | ||
2902 | path_val++; | |
d23b8f57 RK |
2903 | } |
2904 | } | |
2905 | ||
2906 | return 0; | |
2907 | } | |
2908 | ||
052e0603 AC |
2909 | /* Locate an executable file, give a Path value. */ |
2910 | ||
2911 | char * | |
2912 | __gnat_locate_executable_file (char *file_name, char *path_val) | |
2913 | { | |
2914 | return __gnat_locate_file_with_predicate | |
2915 | (file_name, path_val, &__gnat_is_executable_file); | |
2916 | } | |
2917 | ||
2918 | /* Locate a regular file, give a Path value. */ | |
2919 | ||
2920 | char * | |
2921 | __gnat_locate_regular_file (char *file_name, char *path_val) | |
2922 | { | |
2923 | return __gnat_locate_file_with_predicate | |
2924 | (file_name, path_val, &__gnat_is_regular_file); | |
2925 | } | |
2926 | ||
d23b8f57 RK |
2927 | /* Locate an executable given a Path argument. This routine is only used by |
2928 | gnatbl and should not be used otherwise. Use locate_exec_on_path | |
07fc65c4 | 2929 | instead. */ |
d23b8f57 RK |
2930 | |
2931 | char * | |
fbf5a39b | 2932 | __gnat_locate_exec (char *exec_name, char *path_val) |
d23b8f57 | 2933 | { |
005f870e | 2934 | const unsigned int len = strlen (HOST_EXECUTABLE_SUFFIX); |
b87520cd | 2935 | char *ptr; |
005f870e EB |
2936 | |
2937 | if (len > 0 && !strstr (exec_name, HOST_EXECUTABLE_SUFFIX)) | |
d23b8f57 | 2938 | { |
005f870e | 2939 | char *full_exec_name = (char *) alloca (strlen (exec_name) + len + 1); |
d23b8f57 RK |
2940 | |
2941 | strcpy (full_exec_name, exec_name); | |
2942 | strcat (full_exec_name, HOST_EXECUTABLE_SUFFIX); | |
052e0603 | 2943 | ptr = __gnat_locate_executable_file (full_exec_name, path_val); |
b87520cd VC |
2944 | |
2945 | if (ptr == 0) | |
052e0603 | 2946 | return __gnat_locate_executable_file (exec_name, path_val); |
b87520cd | 2947 | return ptr; |
d23b8f57 RK |
2948 | } |
2949 | else | |
052e0603 | 2950 | return __gnat_locate_executable_file (exec_name, path_val); |
d23b8f57 RK |
2951 | } |
2952 | ||
07fc65c4 | 2953 | /* Locate an executable using the Systems default PATH. */ |
d23b8f57 RK |
2954 | |
2955 | char * | |
fbf5a39b | 2956 | __gnat_locate_exec_on_path (char *exec_name) |
d23b8f57 | 2957 | { |
fbf5a39b | 2958 | char *apath_val; |
0022d9e3 | 2959 | |
5ae7c3cf | 2960 | #if defined (_WIN32) |
0022d9e3 PO |
2961 | TCHAR *wpath_val = _tgetenv (_T("PATH")); |
2962 | TCHAR *wapath_val; | |
fbf5a39b | 2963 | /* In Win32 systems we expand the PATH as for XP environment |
99b97b2e DR |
2964 | variables are not automatically expanded. We also prepend the |
2965 | ".;" to the path to match normal NT path search semantics */ | |
fbf5a39b | 2966 | |
99b97b2e | 2967 | #define EXPAND_BUFFER_SIZE 32767 |
fbf5a39b | 2968 | |
ba1a9233 | 2969 | wapath_val = (TCHAR *) alloca (EXPAND_BUFFER_SIZE); |
99b97b2e | 2970 | |
0022d9e3 PO |
2971 | wapath_val [0] = '.'; |
2972 | wapath_val [1] = ';'; | |
d23b8f57 | 2973 | |
99b97b2e | 2974 | DWORD res = ExpandEnvironmentStrings |
0022d9e3 PO |
2975 | (wpath_val, &wapath_val[2], EXPAND_BUFFER_SIZE - 2); |
2976 | ||
2977 | if (!res) wapath_val [0] = _T('\0'); | |
2978 | ||
ba1a9233 | 2979 | apath_val = (char *) alloca (EXPAND_BUFFER_SIZE); |
0022d9e3 | 2980 | |
ffec8e81 | 2981 | WS2SC (apath_val, wapath_val, EXPAND_BUFFER_SIZE); |
99b97b2e | 2982 | |
0022d9e3 | 2983 | #else |
4c0f272c | 2984 | const char *path_val = getenv ("PATH"); |
e08add8e | 2985 | |
ec6cfc5d AC |
2986 | /* If PATH is not defined, proceed with __gnat_locate_exec anyway, so we can |
2987 | find files that contain directory names. */ | |
2988 | ||
2989 | if (path_val == NULL) path_val = ""; | |
7d71283c | 2990 | apath_val = (char *) alloca (strlen (path_val) + 1); |
d23b8f57 | 2991 | strcpy (apath_val, path_val); |
0022d9e3 | 2992 | #endif |
ec6cfc5d AC |
2993 | |
2994 | return __gnat_locate_exec (exec_name, apath_val); | |
d23b8f57 RK |
2995 | } |
2996 | ||
e08add8e AC |
2997 | /* Dummy functions for Osint import for non-VMS systems. |
2998 | ??? To be removed. */ | |
d23b8f57 RK |
2999 | |
3000 | int | |
5644b7e8 AC |
3001 | __gnat_to_canonical_file_list_init (char *dirspec ATTRIBUTE_UNUSED, |
3002 | int onlydirs ATTRIBUTE_UNUSED) | |
d23b8f57 RK |
3003 | { |
3004 | return 0; | |
3005 | } | |
3006 | ||
3007 | char * | |
9373164a | 3008 | __gnat_to_canonical_file_list_next (void) |
d23b8f57 | 3009 | { |
52d0a7ac | 3010 | static char empty[] = ""; |
75069667 | 3011 | return empty; |
d23b8f57 RK |
3012 | } |
3013 | ||
3014 | void | |
9373164a | 3015 | __gnat_to_canonical_file_list_free (void) |
d23b8f57 RK |
3016 | { |
3017 | } | |
3018 | ||
3019 | char * | |
fbf5a39b | 3020 | __gnat_to_canonical_dir_spec (char *dirspec, int prefixflag ATTRIBUTE_UNUSED) |
d23b8f57 RK |
3021 | { |
3022 | return dirspec; | |
3023 | } | |
3024 | ||
3025 | char * | |
fbf5a39b | 3026 | __gnat_to_canonical_file_spec (char *filespec) |
d23b8f57 RK |
3027 | { |
3028 | return filespec; | |
3029 | } | |
3030 | ||
3031 | char * | |
fbf5a39b | 3032 | __gnat_to_canonical_path_spec (char *pathspec) |
d23b8f57 RK |
3033 | { |
3034 | return pathspec; | |
3035 | } | |
3036 | ||
3037 | char * | |
fbf5a39b | 3038 | __gnat_to_host_dir_spec (char *dirspec, int prefixflag ATTRIBUTE_UNUSED) |
d23b8f57 RK |
3039 | { |
3040 | return dirspec; | |
3041 | } | |
3042 | ||
3043 | char * | |
fbf5a39b | 3044 | __gnat_to_host_file_spec (char *filespec) |
d23b8f57 RK |
3045 | { |
3046 | return filespec; | |
3047 | } | |
3048 | ||
3049 | void | |
9373164a | 3050 | __gnat_adjust_os_resource_limits (void) |
d23b8f57 RK |
3051 | { |
3052 | } | |
3053 | ||
d23b8f57 | 3054 | #if defined (__mips_vxworks) |
fbf5a39b | 3055 | int |
5644b7e8 | 3056 | _flush_cache (void) |
d23b8f57 RK |
3057 | { |
3058 | CACHE_USER_FLUSH (0, ENTIRE_CACHE); | |
3059 | } | |
3060 | #endif | |
3061 | ||
07fc65c4 GB |
3062 | #if defined (_WIN32) |
3063 | int __gnat_argument_needs_quote = 1; | |
3064 | #else | |
3065 | int __gnat_argument_needs_quote = 0; | |
3066 | #endif | |
fbf5a39b AC |
3067 | |
3068 | /* This option is used to enable/disable object files handling from the | |
3069 | binder file by the GNAT Project module. For example, this is disabled on | |
4c46b835 AC |
3070 | Windows (prior to GCC 3.4) as it is already done by the mdll module. |
3071 | Stating with GCC 3.4 the shared libraries are not based on mdll | |
3072 | anymore as it uses the GCC's -shared option */ | |
3073 | #if defined (_WIN32) \ | |
3074 | && ((__GNUC__ < 3) || ((__GNUC__ == 3) && (__GNUC_MINOR__ < 4))) | |
fbf5a39b AC |
3075 | int __gnat_prj_add_obj_files = 0; |
3076 | #else | |
3077 | int __gnat_prj_add_obj_files = 1; | |
3078 | #endif | |
3079 | ||
3080 | /* char used as prefix/suffix for environment variables */ | |
3081 | #if defined (_WIN32) | |
3082 | char __gnat_environment_char = '%'; | |
3083 | #else | |
3084 | char __gnat_environment_char = '$'; | |
3085 | #endif | |
3086 | ||
3087 | /* This functions copy the file attributes from a source file to a | |
3088 | destination file. | |
3089 | ||
3090 | mode = 0 : In this mode copy only the file time stamps (last access and | |
3091 | last modification time stamps). | |
3092 | ||
3093 | mode = 1 : In this mode, time stamps and read/write/execute attributes are | |
3094 | copied. | |
3095 | ||
2f97d24c AC |
3096 | mode = 2 : In this mode, only read/write/execute attributes are copied |
3097 | ||
fbf5a39b AC |
3098 | Returns 0 if operation was successful and -1 in case of error. */ |
3099 | ||
3100 | int | |
f146302c AC |
3101 | __gnat_copy_attribs (char *from ATTRIBUTE_UNUSED, char *to ATTRIBUTE_UNUSED, |
3102 | int mode ATTRIBUTE_UNUSED) | |
fbf5a39b | 3103 | { |
5ae7c3cf | 3104 | #if (defined (__vxworks) && _WRS_VXWORKS_MAJOR < 6) |
fbf5a39b | 3105 | return -1; |
35117aa8 | 3106 | |
5ae7c3cf | 3107 | #elif defined (_WIN32) |
35117aa8 AC |
3108 | TCHAR wfrom [GNAT_MAX_PATH_LEN + 2]; |
3109 | TCHAR wto [GNAT_MAX_PATH_LEN + 2]; | |
3110 | BOOL res; | |
3111 | FILETIME fct, flat, flwt; | |
3112 | HANDLE hfrom, hto; | |
3113 | ||
3114 | S2WSC (wfrom, from, GNAT_MAX_PATH_LEN + 2); | |
3115 | S2WSC (wto, to, GNAT_MAX_PATH_LEN + 2); | |
3116 | ||
2f97d24c | 3117 | /* Do we need to copy the timestamp ? */ |
35117aa8 | 3118 | |
2f97d24c AC |
3119 | if (mode != 2) { |
3120 | /* retrieve from times */ | |
35117aa8 | 3121 | |
2f97d24c AC |
3122 | hfrom = CreateFile |
3123 | (wfrom, GENERIC_READ, 0, NULL, OPEN_EXISTING, | |
3124 | FILE_ATTRIBUTE_NORMAL, NULL); | |
35117aa8 | 3125 | |
2f97d24c AC |
3126 | if (hfrom == INVALID_HANDLE_VALUE) |
3127 | return -1; | |
35117aa8 | 3128 | |
2f97d24c | 3129 | res = GetFileTime (hfrom, &fct, &flat, &flwt); |
35117aa8 | 3130 | |
2f97d24c | 3131 | CloseHandle (hfrom); |
35117aa8 | 3132 | |
2f97d24c AC |
3133 | if (res == 0) |
3134 | return -1; | |
35117aa8 | 3135 | |
2f97d24c | 3136 | /* retrieve from times */ |
35117aa8 | 3137 | |
2f97d24c AC |
3138 | hto = CreateFile |
3139 | (wto, GENERIC_WRITE, 0, NULL, OPEN_EXISTING, | |
3140 | FILE_ATTRIBUTE_NORMAL, NULL); | |
35117aa8 | 3141 | |
2f97d24c AC |
3142 | if (hto == INVALID_HANDLE_VALUE) |
3143 | return -1; | |
35117aa8 | 3144 | |
2f97d24c | 3145 | res = SetFileTime (hto, NULL, &flat, &flwt); |
35117aa8 | 3146 | |
2f97d24c | 3147 | CloseHandle (hto); |
35117aa8 | 3148 | |
2f97d24c AC |
3149 | if (res == 0) |
3150 | return -1; | |
3151 | } | |
3152 | ||
3153 | /* Do we need to copy the permissions ? */ | |
35117aa8 AC |
3154 | /* Set file attributes in full mode. */ |
3155 | ||
2f97d24c | 3156 | if (mode != 0) |
35117aa8 AC |
3157 | { |
3158 | DWORD attribs = GetFileAttributes (wfrom); | |
3159 | ||
3160 | if (attribs == INVALID_FILE_ATTRIBUTES) | |
3161 | return -1; | |
3162 | ||
3163 | res = SetFileAttributes (wto, attribs); | |
3164 | if (res == 0) | |
3165 | return -1; | |
3166 | } | |
3167 | ||
3168 | return 0; | |
3169 | ||
fbf5a39b | 3170 | #else |
f6c7fcc0 | 3171 | GNAT_STRUCT_STAT fbuf; |
fbf5a39b AC |
3172 | struct utimbuf tbuf; |
3173 | ||
2f97d24c AC |
3174 | if (GNAT_STAT (from, &fbuf) == -1) { |
3175 | return -1; | |
3176 | } | |
fbf5a39b | 3177 | |
2f97d24c AC |
3178 | /* Do we need to copy timestamp ? */ |
3179 | if (mode != 2) { | |
3180 | tbuf.actime = fbuf.st_atime; | |
3181 | tbuf.modtime = fbuf.st_mtime; | |
fbf5a39b | 3182 | |
2f97d24c AC |
3183 | if (utime (to, &tbuf) == -1) { |
3184 | return -1; | |
3185 | } | |
3186 | } | |
fbf5a39b | 3187 | |
2f97d24c AC |
3188 | /* Do we need to copy file permissions ? */ |
3189 | if (mode != 0 && (chmod (to, fbuf.st_mode) == -1)) { | |
fbf5a39b | 3190 | return -1; |
2f97d24c | 3191 | } |
fbf5a39b AC |
3192 | |
3193 | return 0; | |
3194 | #endif | |
3195 | } | |
3196 | ||
efdfd311 AC |
3197 | int |
3198 | __gnat_lseek (int fd, long offset, int whence) | |
3199 | { | |
3200 | return (int) lseek (fd, offset, whence); | |
3201 | } | |
9bc43c53 | 3202 | |
18f22284 | 3203 | /* This function returns the major version number of GCC being used. */ |
9bc43c53 AC |
3204 | int |
3205 | get_gcc_version (void) | |
3206 | { | |
18f22284 PO |
3207 | #ifdef IN_RTS |
3208 | return __GNUC__; | |
3209 | #else | |
3210 | return (int) (version_string[0] - '0'); | |
3211 | #endif | |
9bc43c53 | 3212 | } |
cc892b2c | 3213 | |
860917b6 TQ |
3214 | /* |
3215 | * Set Close_On_Exec as indicated. | |
3216 | * Note: this is used for both GNAT.OS_Lib and GNAT.Sockets. | |
3217 | */ | |
3218 | ||
cc892b2c | 3219 | int |
e6e375cc | 3220 | __gnat_set_close_on_exec (int fd ATTRIBUTE_UNUSED, |
e5fe4251 | 3221 | int close_on_exec_p ATTRIBUTE_UNUSED) |
cc892b2c DR |
3222 | { |
3223 | #if defined (F_GETFD) && defined (FD_CLOEXEC) && ! defined (__vxworks) | |
3224 | int flags = fcntl (fd, F_GETFD, 0); | |
3225 | if (flags < 0) | |
3226 | return flags; | |
3227 | if (close_on_exec_p) | |
3228 | flags |= FD_CLOEXEC; | |
3229 | else | |
3230 | flags &= ~FD_CLOEXEC; | |
4887624e | 3231 | return fcntl (fd, F_SETFD, flags); |
c8bbc9ef AL |
3232 | #elif defined(_WIN32) |
3233 | HANDLE h = (HANDLE) _get_osfhandle (fd); | |
3234 | if (h == (HANDLE) -1) | |
3235 | return -1; | |
3236 | if (close_on_exec_p) | |
3237 | return ! SetHandleInformation (h, HANDLE_FLAG_INHERIT, 0); | |
18ec2bda | 3238 | return ! SetHandleInformation (h, HANDLE_FLAG_INHERIT, |
c8bbc9ef | 3239 | HANDLE_FLAG_INHERIT); |
cc892b2c | 3240 | #else |
c8bbc9ef | 3241 | /* TODO: Unimplemented. */ |
cc892b2c | 3242 | return -1; |
cc892b2c DR |
3243 | #endif |
3244 | } | |
b87520cd VC |
3245 | |
3246 | /* Indicates if platforms supports automatic initialization through the | |
3247 | constructor mechanism */ | |
3248 | int | |
c6bd4220 | 3249 | __gnat_binder_supports_auto_init (void) |
b87520cd | 3250 | { |
e08add8e | 3251 | return 1; |
b87520cd VC |
3252 | } |
3253 | ||
3254 | /* Indicates that Stand-Alone Libraries are automatically initialized through | |
3255 | the constructor mechanism */ | |
3256 | int | |
c6bd4220 | 3257 | __gnat_sals_init_using_constructors (void) |
b87520cd | 3258 | { |
e08add8e | 3259 | #if defined (__vxworks) || defined (__Lynx__) |
b87520cd VC |
3260 | return 0; |
3261 | #else | |
3262 | return 1; | |
3263 | #endif | |
3264 | } | |
b41ab480 | 3265 | |
02886c2e | 3266 | #if defined (__linux__) || defined (__ANDROID__) |
442dd5fb NR |
3267 | /* There is no function in the glibc to retrieve the LWP of the current |
3268 | thread. We need to do a system call in order to retrieve this | |
3269 | information. */ | |
3270 | #include <sys/syscall.h> | |
5644b7e8 AC |
3271 | void * |
3272 | __gnat_lwp_self (void) | |
9549767b | 3273 | { |
442dd5fb NR |
3274 | return (void *) syscall (__NR_gettid); |
3275 | } | |
02886c2e | 3276 | #endif |
6b81741c | 3277 | |
009c0268 | 3278 | #if defined (__APPLE__) |
3f5c0b6b IS |
3279 | # if __ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__ >= 1060 |
3280 | # include <mach/thread_info.h> | |
3281 | # include <mach/mach_init.h> | |
3282 | # include <mach/thread_act.h> | |
3283 | # else | |
3284 | # include <pthread.h> | |
3285 | # endif | |
009c0268 AC |
3286 | |
3287 | /* System-wide thread identifier. Note it could be truncated on 32 bit | |
3288 | hosts. | |
3289 | Previously was: pthread_mach_thread_np (pthread_self ()). */ | |
3290 | void * | |
3291 | __gnat_lwp_self (void) | |
3292 | { | |
3f5c0b6b | 3293 | #if __ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__ >= 1060 |
009c0268 AC |
3294 | thread_identifier_info_data_t data; |
3295 | mach_msg_type_number_t count = THREAD_IDENTIFIER_INFO_COUNT; | |
3296 | kern_return_t kret; | |
3297 | ||
3298 | kret = thread_info (mach_thread_self (), THREAD_IDENTIFIER_INFO, | |
3299 | (thread_info_t) &data, &count); | |
3300 | if (kret == KERN_SUCCESS) | |
3301 | return (void *)(uintptr_t)data.thread_id; | |
3302 | else | |
3303 | return 0; | |
3f5c0b6b IS |
3304 | #else |
3305 | return (void *)pthread_mach_thread_np (pthread_self ()); | |
3306 | #endif | |
009c0268 AC |
3307 | } |
3308 | #endif | |
3309 | ||
02886c2e | 3310 | #if defined (__linux__) |
6b81741c AC |
3311 | #include <sched.h> |
3312 | ||
9f55bc62 AC |
3313 | /* glibc versions earlier than 2.7 do not define the routines to handle |
3314 | dynamically allocated CPU sets. For these targets, we use the static | |
3315 | versions. */ | |
3316 | ||
3317 | #ifdef CPU_ALLOC | |
3318 | ||
3319 | /* Dynamic cpu sets */ | |
3320 | ||
5644b7e8 AC |
3321 | cpu_set_t * |
3322 | __gnat_cpu_alloc (size_t count) | |
6b81741c | 3323 | { |
9d1e0e72 | 3324 | return CPU_ALLOC (count); |
6b81741c AC |
3325 | } |
3326 | ||
5644b7e8 AC |
3327 | size_t |
3328 | __gnat_cpu_alloc_size (size_t count) | |
9d1e0e72 JR |
3329 | { |
3330 | return CPU_ALLOC_SIZE (count); | |
3331 | } | |
3332 | ||
5644b7e8 AC |
3333 | void |
3334 | __gnat_cpu_free (cpu_set_t *set) | |
9d1e0e72 JR |
3335 | { |
3336 | CPU_FREE (set); | |
3337 | } | |
3338 | ||
5644b7e8 AC |
3339 | void |
3340 | __gnat_cpu_zero (size_t count, cpu_set_t *set) | |
9d1e0e72 JR |
3341 | { |
3342 | CPU_ZERO_S (count, set); | |
3343 | } | |
3344 | ||
5644b7e8 AC |
3345 | void |
3346 | __gnat_cpu_set (int cpu, size_t count, cpu_set_t *set) | |
6b81741c AC |
3347 | { |
3348 | /* Ada handles CPU numbers starting from 1, while C identifies the first | |
3349 | CPU by a 0, so we need to adjust. */ | |
9d1e0e72 | 3350 | CPU_SET_S (cpu - 1, count, set); |
6b81741c | 3351 | } |
9f55bc62 | 3352 | |
747412b8 | 3353 | #else /* !CPU_ALLOC */ |
9f55bc62 AC |
3354 | |
3355 | /* Static cpu sets */ | |
3356 | ||
5644b7e8 AC |
3357 | cpu_set_t * |
3358 | __gnat_cpu_alloc (size_t count ATTRIBUTE_UNUSED) | |
9f55bc62 AC |
3359 | { |
3360 | return (cpu_set_t *) xmalloc (sizeof (cpu_set_t)); | |
3361 | } | |
3362 | ||
5644b7e8 AC |
3363 | size_t |
3364 | __gnat_cpu_alloc_size (size_t count ATTRIBUTE_UNUSED) | |
9f55bc62 AC |
3365 | { |
3366 | return sizeof (cpu_set_t); | |
3367 | } | |
3368 | ||
5644b7e8 AC |
3369 | void |
3370 | __gnat_cpu_free (cpu_set_t *set) | |
9f55bc62 AC |
3371 | { |
3372 | free (set); | |
3373 | } | |
3374 | ||
5644b7e8 AC |
3375 | void |
3376 | __gnat_cpu_zero (size_t count ATTRIBUTE_UNUSED, cpu_set_t *set) | |
9f55bc62 AC |
3377 | { |
3378 | CPU_ZERO (set); | |
3379 | } | |
3380 | ||
5644b7e8 AC |
3381 | void |
3382 | __gnat_cpu_set (int cpu, size_t count ATTRIBUTE_UNUSED, cpu_set_t *set) | |
9f55bc62 AC |
3383 | { |
3384 | /* Ada handles CPU numbers starting from 1, while C identifies the first | |
3385 | CPU by a 0, so we need to adjust. */ | |
3386 | CPU_SET (cpu - 1, set); | |
3387 | } | |
747412b8 | 3388 | #endif /* !CPU_ALLOC */ |
329be64b | 3389 | #endif /* __linux__ */ |
747412b8 AC |
3390 | |
3391 | /* Return the load address of the executable, or 0 if not known. In the | |
3392 | specific case of error, (void *)-1 can be returned. Beware: this unit may | |
3393 | be in a shared library. As low-level units are needed, we allow #include | |
3394 | here. */ | |
3395 | ||
3396 | #if defined (__APPLE__) | |
3397 | #include <mach-o/dyld.h> | |
442dd5fb | 3398 | #endif |
747412b8 AC |
3399 | |
3400 | const void * | |
3401 | __gnat_get_executable_load_address (void) | |
3402 | { | |
3403 | #if defined (__APPLE__) | |
3404 | return _dyld_get_image_header (0); | |
3405 | ||
055416a8 AC |
3406 | #elif 0 && defined (__linux__) |
3407 | /* Currently disabled as it needs at least -ldl. */ | |
747412b8 AC |
3408 | struct link_map *map = _r_debug.r_map; |
3409 | ||
3410 | return (const void *)map->l_addr; | |
3411 | ||
747412b8 AC |
3412 | #else |
3413 | return NULL; | |
b7c9777e | 3414 | #endif |
747412b8 | 3415 | } |
9e9bd455 | 3416 | |
3fee081a PO |
3417 | void |
3418 | __gnat_kill (int pid, int sig, int close ATTRIBUTE_UNUSED) | |
3419 | { | |
3420 | #if defined(_WIN32) | |
3421 | HANDLE h = OpenProcess (PROCESS_ALL_ACCESS, FALSE, pid); | |
3422 | if (h == NULL) | |
3423 | return; | |
3424 | if (sig == 9) | |
3425 | { | |
9ba9f4c0 | 3426 | TerminateProcess (h, 1); |
3fee081a PO |
3427 | } |
3428 | else if (sig == SIGINT) | |
3429 | GenerateConsoleCtrlEvent (CTRL_C_EVENT, pid); | |
3430 | else if (sig == SIGBREAK) | |
3431 | GenerateConsoleCtrlEvent (CTRL_BREAK_EVENT, pid); | |
3432 | /* ??? The last two alternatives don't really work. SIGBREAK requires setting | |
3433 | up process groups at start time which we don't do; treating SIGINT is just | |
3434 | not possible apparently. So we really only support signal 9. Fortunately | |
3435 | that's all we use in GNAT.Expect */ | |
3436 | ||
3437 | CloseHandle (h); | |
3438 | #elif defined (__vxworks) | |
3439 | /* Not implemented */ | |
3440 | #else | |
3441 | kill (pid, sig); | |
3442 | #endif | |
3443 | } | |
3444 | ||
287aa0ed AC |
3445 | void __gnat_killprocesstree (int pid, int sig_num) |
3446 | { | |
3447 | #if defined(_WIN32) | |
287aa0ed AC |
3448 | PROCESSENTRY32 pe; |
3449 | ||
3450 | memset(&pe, 0, sizeof(PROCESSENTRY32)); | |
3451 | pe.dwSize = sizeof(PROCESSENTRY32); | |
3452 | ||
3453 | HANDLE hSnap = CreateToolhelp32Snapshot (TH32CS_SNAPPROCESS, 0); | |
3454 | ||
3455 | /* cannot take snapshot, just kill the parent process */ | |
3456 | ||
3457 | if (hSnap == INVALID_HANDLE_VALUE) | |
3458 | { | |
3459 | __gnat_kill (pid, sig_num, 1); | |
3460 | return; | |
3461 | } | |
3462 | ||
3463 | if (Process32First(hSnap, &pe)) | |
3464 | { | |
3465 | BOOL bContinue = TRUE; | |
3466 | ||
3467 | /* kill child processes first */ | |
3468 | ||
3469 | while (bContinue) | |
3470 | { | |
86ec3bfb | 3471 | if (pe.th32ParentProcessID == (DWORD)pid) |
287aa0ed AC |
3472 | __gnat_killprocesstree (pe.th32ProcessID, sig_num); |
3473 | ||
3474 | bContinue = Process32Next (hSnap, &pe); | |
3475 | } | |
3476 | } | |
3477 | ||
3478 | CloseHandle (hSnap); | |
3479 | ||
3480 | /* kill process */ | |
3481 | ||
3482 | __gnat_kill (pid, sig_num, 1); | |
5904016a AC |
3483 | |
3484 | #elif defined (__vxworks) | |
3485 | /* not implemented */ | |
3486 | ||
3487 | #elif defined (__linux__) | |
287aa0ed AC |
3488 | DIR *dir; |
3489 | struct dirent *d; | |
3490 | ||
3491 | /* read all processes' pid and ppid */ | |
3492 | ||
3493 | dir = opendir ("/proc"); | |
3494 | ||
3495 | /* cannot open proc, just kill the parent process */ | |
3496 | ||
3497 | if (!dir) | |
3498 | { | |
3499 | __gnat_kill (pid, sig_num, 1); | |
3500 | return; | |
3501 | } | |
3502 | ||
3503 | /* kill child processes first */ | |
3504 | ||
e9dcf0a4 | 3505 | while ((d = readdir (dir)) != NULL) |
287aa0ed AC |
3506 | { |
3507 | if ((d->d_type & DT_DIR) == DT_DIR) | |
3508 | { | |
372db67b | 3509 | char statfile[64]; |
287aa0ed AC |
3510 | int _pid, _ppid; |
3511 | ||
3512 | /* read /proc/<PID>/stat */ | |
3513 | ||
60ab8595 | 3514 | if (strlen (d->d_name) >= sizeof (statfile) - strlen ("/proc//stat")) |
372db67b EB |
3515 | continue; |
3516 | strcpy (statfile, "/proc/"); | |
3517 | strcat (statfile, d->d_name); | |
3518 | strcat (statfile, "/stat"); | |
287aa0ed AC |
3519 | |
3520 | FILE *fd = fopen (statfile, "r"); | |
3521 | ||
3522 | if (fd) | |
3523 | { | |
3524 | const int match = fscanf (fd, "%d %*s %*s %d", &_pid, &_ppid); | |
3525 | fclose (fd); | |
3526 | ||
3527 | if (match == 2 && _ppid == pid) | |
3528 | __gnat_killprocesstree (_pid, sig_num); | |
3529 | } | |
3530 | } | |
3531 | } | |
3532 | ||
3533 | closedir (dir); | |
3534 | ||
3535 | /* kill process */ | |
3536 | ||
5904016a AC |
3537 | __gnat_kill (pid, sig_num, 1); |
3538 | #else | |
287aa0ed AC |
3539 | __gnat_kill (pid, sig_num, 1); |
3540 | #endif | |
3541 | /* Note on Solaris it is possible to read /proc/<PID>/status. | |
3542 | The 5th and 6th words are the pid and the 7th and 8th the ppid. | |
3543 | See: /usr/include/sys/procfs.h (struct pstatus). | |
3544 | */ | |
3545 | } | |
3546 | ||
9e9bd455 LG |
3547 | #ifdef __cplusplus |
3548 | } | |
3549 | #endif |