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1fac938e | 1 | /**************************************************************************** |
2 | * * | |
3 | * GNAT COMPILER COMPONENTS * | |
4 | * * | |
5 | * A D A I N T * | |
6 | * * | |
1fac938e | 7 | * C Implementation File * |
8 | * * | |
7cc02797 | 9 | * Copyright (C) 1992-2014, Free Software Foundation, Inc. * |
1fac938e | 10 | * * |
11 | * GNAT is free software; you can redistribute it and/or modify it under * | |
12 | * terms of the GNU General Public License as published by the Free Soft- * | |
6bc9506f | 13 | * ware Foundation; either version 3, or (at your option) any later ver- * |
1fac938e | 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 * | |
6bc9506f | 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/>. * | |
1fac938e | 26 | * * |
27 | * GNAT was originally developed by the GNAT team at New York University. * | |
e78e8c8e | 28 | * Extensive contributions were provided by Ada Core Technologies Inc. * |
1fac938e | 29 | * * |
30 | ****************************************************************************/ | |
31 | ||
f15731c4 | 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. */ | |
1fac938e | 36 | |
360f426f | 37 | /* Ensure access to errno is thread safe. */ |
543c8be5 | 38 | #define _REENTRANT |
39 | #define _THREAD_SAFE | |
40 | ||
1fac938e | 41 | #ifdef __vxworks |
f15731c4 | 42 | |
43 | /* No need to redefine exit here. */ | |
1fac938e | 44 | #undef exit |
f15731c4 | 45 | |
1fac938e | 46 | /* We want to use the POSIX variants of include files. */ |
47 | #define POSIX | |
48 | #include "vxWorks.h" | |
49 | ||
50 | #if defined (__mips_vxworks) | |
51 | #include "cacheLib.h" | |
52 | #endif /* __mips_vxworks */ | |
53 | ||
0f4d3df5 | 54 | /* If SMP, access vxCpuConfiguredGet */ |
55 | #ifdef _WRS_CONFIG_SMP | |
56 | #include <vxCpuLib.h> | |
57 | #endif /* _WRS_CONFIG_SMP */ | |
58 | ||
b07bcda8 | 59 | /* We need to know the VxWorks version because some file operations |
60 | (such as chmod) are only available on VxWorks 6. */ | |
61 | #include "version.h" | |
62 | ||
1fac938e | 63 | #endif /* VxWorks */ |
64 | ||
5641963c | 65 | #if defined (__APPLE__) |
90bc406c | 66 | #include <unistd.h> |
67 | #endif | |
68 | ||
69 | #if defined (__hpux__) | |
70 | #include <sys/param.h> | |
71 | #include <sys/pstat.h> | |
72 | #endif | |
73 | ||
8cb1db0d | 74 | #ifdef __PikeOS__ |
75 | #define __BSD_VISIBLE 1 | |
76 | #endif | |
77 | ||
1fac938e | 78 | #ifdef IN_RTS |
79 | #include "tconfig.h" | |
80 | #include "tsystem.h" | |
81 | #include <sys/stat.h> | |
82 | #include <fcntl.h> | |
83 | #include <time.h> | |
84 | ||
b261877a | 85 | #if defined (__vxworks) || defined (__ANDROID__) |
86 | /* S_IREAD and S_IWRITE are not defined in VxWorks or Android */ | |
b07bcda8 | 87 | #ifndef S_IREAD |
88 | #define S_IREAD (S_IRUSR | S_IRGRP | S_IROTH) | |
89 | #endif | |
90 | ||
91 | #ifndef S_IWRITE | |
92 | #define S_IWRITE (S_IWUSR) | |
93 | #endif | |
94 | #endif | |
95 | ||
f15731c4 | 96 | /* We don't have libiberty, so use malloc. */ |
1fac938e | 97 | #define xmalloc(S) malloc (S) |
f15731c4 | 98 | #define xrealloc(V,S) realloc (V,S) |
1fac938e | 99 | #else |
100 | #include "config.h" | |
101 | #include "system.h" | |
e2c62f37 | 102 | #include "version.h" |
1fac938e | 103 | #endif |
9dfe12ae | 104 | |
e78e02f9 | 105 | #ifdef __cplusplus |
106 | extern "C" { | |
107 | #endif | |
108 | ||
fa0b5df1 | 109 | #if defined (__MINGW32__) |
110 | ||
e2a33c18 | 111 | #if defined (RTX) |
112 | #include <windows.h> | |
113 | #include <Rtapi.h> | |
fa0b5df1 | 114 | #else |
9dfe12ae | 115 | #include "mingw32.h" |
f60cc57d | 116 | |
a360a0f7 | 117 | /* Current code page and CCS encoding to use, set in initialize.c. */ |
f60cc57d | 118 | UINT CurrentCodePage; |
a360a0f7 | 119 | UINT CurrentCCSEncoding; |
fa0b5df1 | 120 | #endif |
121 | ||
9dfe12ae | 122 | #include <sys/utime.h> |
a4f295eb | 123 | |
124 | /* For isalpha-like tests in the compiler, we're expected to resort to | |
125 | safe-ctype.h/ISALPHA. This isn't available for the runtime library | |
126 | build, so we fallback on ctype.h/isalpha there. */ | |
127 | ||
128 | #ifdef IN_RTS | |
f0a28ccb | 129 | #include <ctype.h> |
a4f295eb | 130 | #define ISALPHA isalpha |
131 | #endif | |
2359306a | 132 | |
133 | #elif defined (__Lynx__) | |
134 | ||
135 | /* Lynx utime.h only defines the entities of interest to us if | |
136 | defined (VMOS_DEV), so ... */ | |
137 | #define VMOS_DEV | |
138 | #include <utime.h> | |
139 | #undef VMOS_DEV | |
140 | ||
3897a124 | 141 | #else |
9dfe12ae | 142 | #include <utime.h> |
9dfe12ae | 143 | #endif |
144 | ||
5091bc2f | 145 | /* wait.h processing */ |
9dfe12ae | 146 | #ifdef __MINGW32__ |
8cb1db0d | 147 | # if OLD_MINGW |
148 | # include <sys/wait.h> | |
149 | # endif | |
8ffbc401 | 150 | #elif defined (__vxworks) && defined (__RTP__) |
8cb1db0d | 151 | # include <wait.h> |
2359306a | 152 | #elif defined (__Lynx__) |
153 | /* ??? We really need wait.h and it includes resource.h on Lynx. GCC | |
154 | has a resource.h header as well, included instead of the lynx | |
155 | version in our setup, causing lots of errors. We don't really need | |
156 | the lynx contents of this file, so just workaround the issue by | |
157 | preventing the inclusion of the GCC header from doing anything. */ | |
8cb1db0d | 158 | # define GCC_RESOURCE_H |
159 | # include <sys/wait.h> | |
160 | #elif defined (__nucleus__) || defined (__PikeOS__) | |
24d7b9d6 | 161 | /* No wait() or waitpid() calls available. */ |
9dfe12ae | 162 | #else |
24d7b9d6 | 163 | /* Default case. */ |
9dfe12ae | 164 | #include <sys/wait.h> |
165 | #endif | |
1fac938e | 166 | |
30592778 | 167 | #if defined (_WIN32) |
d8dd2062 | 168 | |
1fac938e | 169 | #include <process.h> |
1fac938e | 170 | #include <dir.h> |
171 | #include <windows.h> | |
7db1ef17 | 172 | #include <accctrl.h> |
173 | #include <aclapi.h> | |
fef772a5 | 174 | #undef DIR_SEPARATOR |
175 | #define DIR_SEPARATOR '\\' | |
3897a124 | 176 | |
177 | #else | |
178 | #include <utime.h> | |
1fac938e | 179 | #endif |
180 | ||
181 | #include "adaint.h" | |
182 | ||
183 | /* Define symbols O_BINARY and O_TEXT as harmless zeroes if they are not | |
184 | defined in the current system. On DOS-like systems these flags control | |
185 | whether the file is opened/created in text-translation mode (CR/LF in | |
186 | external file mapped to LF in internal file), but in Unix-like systems, | |
187 | no text translation is required, so these flags have no effect. */ | |
188 | ||
1fac938e | 189 | #ifndef O_BINARY |
190 | #define O_BINARY 0 | |
191 | #endif | |
192 | ||
193 | #ifndef O_TEXT | |
194 | #define O_TEXT 0 | |
195 | #endif | |
196 | ||
197 | #ifndef HOST_EXECUTABLE_SUFFIX | |
198 | #define HOST_EXECUTABLE_SUFFIX "" | |
199 | #endif | |
200 | ||
201 | #ifndef HOST_OBJECT_SUFFIX | |
202 | #define HOST_OBJECT_SUFFIX ".o" | |
203 | #endif | |
204 | ||
205 | #ifndef PATH_SEPARATOR | |
206 | #define PATH_SEPARATOR ':' | |
207 | #endif | |
208 | ||
209 | #ifndef DIR_SEPARATOR | |
210 | #define DIR_SEPARATOR '/' | |
211 | #endif | |
212 | ||
24d7b9d6 | 213 | /* Check for cross-compilation. */ |
8c7d3bad | 214 | #if defined (CROSS_COMPILE) || defined (CROSS_DIRECTORY_STRUCTURE) |
215 | #define IS_CROSS 1 | |
a3b0f4f2 | 216 | int __gnat_is_cross_compiler = 1; |
217 | #else | |
8c7d3bad | 218 | #undef IS_CROSS |
a3b0f4f2 | 219 | int __gnat_is_cross_compiler = 0; |
220 | #endif | |
221 | ||
1fac938e | 222 | char __gnat_dir_separator = DIR_SEPARATOR; |
223 | ||
224 | char __gnat_path_separator = PATH_SEPARATOR; | |
225 | ||
226 | /* The GNAT_LIBRARY_TEMPLATE contains a list of expressions that define | |
227 | the base filenames that libraries specified with -lsomelib options | |
228 | may have. This is used by GNATMAKE to check whether an executable | |
229 | is up-to-date or not. The syntax is | |
230 | ||
231 | library_template ::= { pattern ; } pattern NUL | |
232 | pattern ::= [ prefix ] * [ postfix ] | |
233 | ||
234 | These should only specify names of static libraries as it makes | |
235 | no sense to determine at link time if dynamic-link libraries are | |
236 | up to date or not. Any libraries that are not found are supposed | |
237 | to be up-to-date: | |
238 | ||
239 | * if they are needed but not present, the link | |
240 | will fail, | |
241 | ||
242 | * otherwise they are libraries in the system paths and so | |
243 | they are considered part of the system and not checked | |
244 | for that reason. | |
245 | ||
246 | ??? This should be part of a GNAT host-specific compiler | |
247 | file instead of being included in all user applications | |
f15731c4 | 248 | as well. This is only a temporary work-around for 3.11b. */ |
1fac938e | 249 | |
250 | #ifndef GNAT_LIBRARY_TEMPLATE | |
1fac938e | 251 | #define GNAT_LIBRARY_TEMPLATE "lib*.a" |
252 | #endif | |
1fac938e | 253 | |
254 | const char *__gnat_library_template = GNAT_LIBRARY_TEMPLATE; | |
255 | ||
3897a124 | 256 | #if defined (__vxworks) || defined (__OPENNT) || defined(__nucleus__) |
9dfe12ae | 257 | #define GNAT_MAX_PATH_LEN PATH_MAX |
258 | ||
259 | #else | |
260 | ||
261 | #if defined (__MINGW32__) | |
262 | #include "mingw32.h" | |
263 | ||
264 | #if OLD_MINGW | |
265 | #include <sys/param.h> | |
266 | #endif | |
e633acdc | 267 | |
268 | #else | |
269 | #include <sys/param.h> | |
9dfe12ae | 270 | #endif |
271 | ||
8ae72cac | 272 | #ifdef MAXPATHLEN |
9dfe12ae | 273 | #define GNAT_MAX_PATH_LEN MAXPATHLEN |
8ae72cac | 274 | #else |
275 | #define GNAT_MAX_PATH_LEN 256 | |
276 | #endif | |
e633acdc | 277 | |
278 | #endif | |
279 | ||
28a4283c | 280 | /* Used for runtime check that Ada constant File_Attributes_Size is no |
281 | less than the actual size of struct file_attributes (see Osint | |
282 | initialization). */ | |
becb63f5 | 283 | int __gnat_size_of_file_attributes = sizeof (struct file_attributes); |
5f93bcbf | 284 | |
5f93bcbf | 285 | void __gnat_stat_to_attr (int fd, char* name, struct file_attributes* attr); |
286 | ||
9dfe12ae | 287 | /* The __gnat_max_path_len variable is used to export the maximum |
288 | length of a path name to Ada code. max_path_len is also provided | |
289 | for compatibility with older GNAT versions, please do not use | |
290 | it. */ | |
291 | ||
292 | int __gnat_max_path_len = GNAT_MAX_PATH_LEN; | |
293 | int max_path_len = GNAT_MAX_PATH_LEN; | |
294 | ||
2726b813 | 295 | /* Control whether we can use ACL on Windows. */ |
296 | ||
297 | int __gnat_use_acl = 1; | |
298 | ||
1fac938e | 299 | /* The following macro HAVE_READDIR_R should be defined if the |
f15731c4 | 300 | system provides the routine readdir_r. */ |
1fac938e | 301 | #undef HAVE_READDIR_R |
302 | \f | |
6d9c3443 | 303 | #define MAYBE_TO_PTR32(argv) argv |
6d9c3443 | 304 | |
44fef051 | 305 | static const char ATTR_UNSET = 127; |
bce992c9 | 306 | |
77416989 | 307 | /* Reset the file attributes as if no system call had been performed */ |
308 | ||
5f93bcbf | 309 | void |
24d7b9d6 | 310 | __gnat_reset_attributes (struct file_attributes* attr) |
5f93bcbf | 311 | { |
bce992c9 | 312 | attr->exists = ATTR_UNSET; |
28a4283c | 313 | attr->error = EINVAL; |
5f93bcbf | 314 | |
bce992c9 | 315 | attr->writable = ATTR_UNSET; |
316 | attr->readable = ATTR_UNSET; | |
317 | attr->executable = ATTR_UNSET; | |
5f93bcbf | 318 | |
bce992c9 | 319 | attr->regular = ATTR_UNSET; |
320 | attr->symbolic_link = ATTR_UNSET; | |
321 | attr->directory = ATTR_UNSET; | |
5f93bcbf | 322 | |
323 | attr->timestamp = (OS_Time)-2; | |
324 | attr->file_length = -1; | |
325 | } | |
326 | ||
28a4283c | 327 | int |
328 | __gnat_error_attributes (struct file_attributes *attr) { | |
329 | return attr->error; | |
330 | } | |
331 | ||
1e622f0e | 332 | OS_Time |
24d7b9d6 | 333 | __gnat_current_time (void) |
1e622f0e | 334 | { |
335 | time_t res = time (NULL); | |
336 | return (OS_Time) res; | |
337 | } | |
338 | ||
a17c817e | 339 | /* Return the current local time as a string in the ISO 8601 format of |
340 | "YYYY-MM-DD HH:MM:SS.SS". The returned string is 22 + 1 (NULL) characters | |
341 | long. */ | |
342 | ||
343 | void | |
24d7b9d6 | 344 | __gnat_current_time_string (char *result) |
a17c817e | 345 | { |
346 | const char *format = "%Y-%m-%d %H:%M:%S"; | |
347 | /* Format string necessary to describe the ISO 8601 format */ | |
348 | ||
349 | const time_t t_val = time (NULL); | |
350 | ||
351 | strftime (result, 22, format, localtime (&t_val)); | |
352 | /* Convert the local time into a string following the ISO format, copying | |
353 | at most 22 characters into the result string. */ | |
354 | ||
355 | result [19] = '.'; | |
356 | result [20] = '0'; | |
357 | result [21] = '0'; | |
358 | /* The sub-seconds are manually set to zero since type time_t lacks the | |
359 | precision necessary for nanoseconds. */ | |
360 | } | |
361 | ||
1fac938e | 362 | void |
24d7b9d6 | 363 | __gnat_to_gm_time (OS_Time *p_time, int *p_year, int *p_month, int *p_day, |
364 | int *p_hours, int *p_mins, int *p_secs) | |
1fac938e | 365 | { |
366 | struct tm *res; | |
9dfe12ae | 367 | time_t time = (time_t) *p_time; |
1fac938e | 368 | |
369 | #ifdef _WIN32 | |
370 | /* On Windows systems, the time is sometimes rounded up to the nearest | |
371 | even second, so if the number of seconds is odd, increment it. */ | |
372 | if (time & 1) | |
373 | time++; | |
374 | #endif | |
375 | ||
376 | res = gmtime (&time); | |
1fac938e | 377 | if (res) |
378 | { | |
379 | *p_year = res->tm_year; | |
380 | *p_month = res->tm_mon; | |
381 | *p_day = res->tm_mday; | |
382 | *p_hours = res->tm_hour; | |
383 | *p_mins = res->tm_min; | |
384 | *p_secs = res->tm_sec; | |
f15731c4 | 385 | } |
1fac938e | 386 | else |
387 | *p_year = *p_month = *p_day = *p_hours = *p_mins = *p_secs = 0; | |
388 | } | |
389 | ||
2a68b2f5 | 390 | void |
391 | __gnat_to_os_time (OS_Time *p_time, int year, int month, int day, | |
392 | int hours, int mins, int secs) | |
393 | { | |
394 | struct tm v; | |
395 | ||
396 | v.tm_year = year; | |
397 | v.tm_mon = month; | |
398 | v.tm_mday = day; | |
399 | v.tm_hour = hours; | |
400 | v.tm_min = mins; | |
401 | v.tm_sec = secs; | |
51f09f19 | 402 | v.tm_isdst = -1; |
2a68b2f5 | 403 | |
404 | /* returns -1 of failing, this is s-os_lib Invalid_Time */ | |
405 | ||
406 | *p_time = (OS_Time) mktime (&v); | |
407 | } | |
408 | ||
1fac938e | 409 | /* Place the contents of the symbolic link named PATH in the buffer BUF, |
410 | which has size BUFSIZ. If PATH is a symbolic link, then return the number | |
5091bc2f | 411 | of characters of its content in BUF. Otherwise, return -1. |
412 | For systems not supporting symbolic links, always return -1. */ | |
1fac938e | 413 | |
9dfe12ae | 414 | int |
f0a28ccb | 415 | __gnat_readlink (char *path ATTRIBUTE_UNUSED, |
416 | char *buf ATTRIBUTE_UNUSED, | |
417 | size_t bufsiz ATTRIBUTE_UNUSED) | |
1fac938e | 418 | { |
3897a124 | 419 | #if defined (_WIN32) \ |
8cb1db0d | 420 | || defined(__vxworks) || defined (__nucleus__) || defined (__PikeOS__) |
1fac938e | 421 | return -1; |
422 | #else | |
423 | return readlink (path, buf, bufsiz); | |
424 | #endif | |
425 | } | |
426 | ||
5091bc2f | 427 | /* Creates a symbolic link named NEWPATH which contains the string OLDPATH. |
428 | If NEWPATH exists it will NOT be overwritten. | |
429 | For systems not supporting symbolic links, always return -1. */ | |
1fac938e | 430 | |
431 | int | |
f0a28ccb | 432 | __gnat_symlink (char *oldpath ATTRIBUTE_UNUSED, |
433 | char *newpath ATTRIBUTE_UNUSED) | |
1fac938e | 434 | { |
3897a124 | 435 | #if defined (_WIN32) \ |
8cb1db0d | 436 | || defined(__vxworks) || defined (__nucleus__) || defined (__PikeOS__) |
1fac938e | 437 | return -1; |
438 | #else | |
439 | return symlink (oldpath, newpath); | |
440 | #endif | |
441 | } | |
442 | ||
f15731c4 | 443 | /* Try to lock a file, return 1 if success. */ |
1fac938e | 444 | |
30592778 | 445 | #if defined (__vxworks) || defined (__nucleus__) \ |
3897a124 | 446 | || defined (_WIN32) || defined (__PikeOS__) |
1fac938e | 447 | |
448 | /* Version that does not use link. */ | |
449 | ||
450 | int | |
9dfe12ae | 451 | __gnat_try_lock (char *dir, char *file) |
1fac938e | 452 | { |
1fac938e | 453 | int fd; |
3b18b370 | 454 | #ifdef __MINGW32__ |
455 | TCHAR wfull_path[GNAT_MAX_PATH_LEN]; | |
456 | TCHAR wfile[GNAT_MAX_PATH_LEN]; | |
457 | TCHAR wdir[GNAT_MAX_PATH_LEN]; | |
458 | ||
f60cc57d | 459 | S2WSC (wdir, dir, GNAT_MAX_PATH_LEN); |
460 | S2WSC (wfile, file, GNAT_MAX_PATH_LEN); | |
3b18b370 | 461 | |
658ba466 | 462 | /* ??? the code below crash on MingW64 for obscure reasons, a ticket |
463 | has been opened here: | |
464 | ||
465 | https://sourceforge.net/p/mingw-w64/bugs/414/ | |
466 | ||
467 | As a workaround an equivalent set of code has been put in place below. | |
468 | ||
3b18b370 | 469 | _stprintf (wfull_path, _T("%s%c%s"), wdir, _T(DIR_SEPARATOR), wfile); |
658ba466 | 470 | */ |
471 | ||
472 | _tcscpy (wfull_path, wdir); | |
473 | _tcscat (wfull_path, L"\\"); | |
474 | _tcscat (wfull_path, wfile); | |
475 | ||
3b18b370 | 476 | fd = _topen (wfull_path, O_CREAT | O_EXCL, 0600); |
477 | #else | |
478 | char full_path[256]; | |
1fac938e | 479 | |
480 | sprintf (full_path, "%s%c%s", dir, DIR_SEPARATOR, file); | |
481 | fd = open (full_path, O_CREAT | O_EXCL, 0600); | |
3b18b370 | 482 | #endif |
483 | ||
f15731c4 | 484 | if (fd < 0) |
1fac938e | 485 | return 0; |
f15731c4 | 486 | |
1fac938e | 487 | close (fd); |
488 | return 1; | |
489 | } | |
490 | ||
1fac938e | 491 | #else |
f15731c4 | 492 | |
1fac938e | 493 | /* Version using link(), more secure over NFS. */ |
9dfe12ae | 494 | /* See TN 6913-016 for discussion ??? */ |
1fac938e | 495 | |
496 | int | |
9dfe12ae | 497 | __gnat_try_lock (char *dir, char *file) |
1fac938e | 498 | { |
f15731c4 | 499 | char full_path[256]; |
500 | char temp_file[256]; | |
8cb516d7 | 501 | GNAT_STRUCT_STAT stat_result; |
1fac938e | 502 | int fd; |
503 | ||
504 | sprintf (full_path, "%s%c%s", dir, DIR_SEPARATOR, file); | |
4a3f445c | 505 | sprintf (temp_file, "%s%cTMP-%ld-%ld", |
506 | dir, DIR_SEPARATOR, (long)getpid(), (long)getppid ()); | |
1fac938e | 507 | |
f15731c4 | 508 | /* Create the temporary file and write the process number. */ |
1fac938e | 509 | fd = open (temp_file, O_CREAT | O_WRONLY, 0600); |
510 | if (fd < 0) | |
511 | return 0; | |
512 | ||
513 | close (fd); | |
514 | ||
f15731c4 | 515 | /* Link it with the new file. */ |
1fac938e | 516 | link (temp_file, full_path); |
517 | ||
518 | /* Count the references on the old one. If we have a count of two, then | |
f15731c4 | 519 | the link did succeed. Remove the temporary file before returning. */ |
1fac938e | 520 | __gnat_stat (temp_file, &stat_result); |
521 | unlink (temp_file); | |
522 | return stat_result.st_nlink == 2; | |
523 | } | |
524 | #endif | |
525 | ||
526 | /* Return the maximum file name length. */ | |
527 | ||
528 | int | |
6f2c2693 | 529 | __gnat_get_maximum_file_name_length (void) |
1fac938e | 530 | { |
1fac938e | 531 | return -1; |
1fac938e | 532 | } |
533 | ||
1fac938e | 534 | /* Return nonzero if file names are case sensitive. */ |
535 | ||
cda81c7b | 536 | static int file_names_case_sensitive_cache = -1; |
537 | ||
1fac938e | 538 | int |
6f2c2693 | 539 | __gnat_get_file_names_case_sensitive (void) |
1fac938e | 540 | { |
cda81c7b | 541 | if (file_names_case_sensitive_cache == -1) |
542 | { | |
543 | const char *sensitive = getenv ("GNAT_FILE_NAME_CASE_SENSITIVE"); | |
cd2495b4 | 544 | |
cda81c7b | 545 | if (sensitive != NULL |
546 | && (sensitive[0] == '0' || sensitive[0] == '1') | |
547 | && sensitive[1] == '\0') | |
548 | file_names_case_sensitive_cache = sensitive[0] - '0'; | |
549 | else | |
64f44677 | 550 | { |
551 | /* By default, we suppose filesystems aren't case sensitive on | |
552 | Windows and Darwin (but they are on arm-darwin). */ | |
553 | #if defined (WINNT) || (defined (__APPLE__) && !defined (__arm__)) | |
554 | file_names_case_sensitive_cache = 0; | |
1fac938e | 555 | #else |
64f44677 | 556 | file_names_case_sensitive_cache = 1; |
1fac938e | 557 | #endif |
64f44677 | 558 | } |
cda81c7b | 559 | } |
560 | return file_names_case_sensitive_cache; | |
1fac938e | 561 | } |
562 | ||
a027cdc7 | 563 | /* Return nonzero if environment variables are case sensitive. */ |
564 | ||
565 | int | |
566 | __gnat_get_env_vars_case_sensitive (void) | |
567 | { | |
3897a124 | 568 | #if defined (WINNT) |
a027cdc7 | 569 | return 0; |
570 | #else | |
571 | return 1; | |
572 | #endif | |
573 | } | |
574 | ||
1fac938e | 575 | char |
6f2c2693 | 576 | __gnat_get_default_identifier_character_set (void) |
1fac938e | 577 | { |
1fac938e | 578 | return '1'; |
1fac938e | 579 | } |
580 | ||
f15731c4 | 581 | /* Return the current working directory. */ |
1fac938e | 582 | |
583 | void | |
9dfe12ae | 584 | __gnat_get_current_dir (char *dir, int *length) |
1fac938e | 585 | { |
3b18b370 | 586 | #if defined (__MINGW32__) |
587 | TCHAR wdir[GNAT_MAX_PATH_LEN]; | |
588 | ||
589 | _tgetcwd (wdir, *length); | |
590 | ||
f60cc57d | 591 | WS2SC (dir, wdir, GNAT_MAX_PATH_LEN); |
3b18b370 | 592 | |
1fac938e | 593 | #else |
594 | getcwd (dir, *length); | |
595 | #endif | |
596 | ||
597 | *length = strlen (dir); | |
598 | ||
9dfe12ae | 599 | if (dir [*length - 1] != DIR_SEPARATOR) |
600 | { | |
601 | dir [*length] = DIR_SEPARATOR; | |
602 | ++(*length); | |
603 | } | |
f15731c4 | 604 | dir[*length] = '\0'; |
1fac938e | 605 | } |
606 | ||
f15731c4 | 607 | /* Return the suffix for object files. */ |
1fac938e | 608 | |
609 | void | |
9dfe12ae | 610 | __gnat_get_object_suffix_ptr (int *len, const char **value) |
1fac938e | 611 | { |
612 | *value = HOST_OBJECT_SUFFIX; | |
613 | ||
614 | if (*value == 0) | |
615 | *len = 0; | |
616 | else | |
617 | *len = strlen (*value); | |
618 | ||
619 | return; | |
620 | } | |
621 | ||
f15731c4 | 622 | /* Return the suffix for executable files. */ |
1fac938e | 623 | |
624 | void | |
9dfe12ae | 625 | __gnat_get_executable_suffix_ptr (int *len, const char **value) |
1fac938e | 626 | { |
627 | *value = HOST_EXECUTABLE_SUFFIX; | |
628 | if (!*value) | |
629 | *len = 0; | |
630 | else | |
631 | *len = strlen (*value); | |
632 | ||
633 | return; | |
634 | } | |
635 | ||
636 | /* Return the suffix for debuggable files. Usually this is the same as the | |
f15731c4 | 637 | executable extension. */ |
1fac938e | 638 | |
639 | void | |
9dfe12ae | 640 | __gnat_get_debuggable_suffix_ptr (int *len, const char **value) |
1fac938e | 641 | { |
1fac938e | 642 | *value = HOST_EXECUTABLE_SUFFIX; |
1fac938e | 643 | |
644 | if (*value == 0) | |
645 | *len = 0; | |
646 | else | |
647 | *len = strlen (*value); | |
648 | ||
649 | return; | |
650 | } | |
651 | ||
1aa4b9ce | 652 | /* Returns the OS filename and corresponding encoding. */ |
653 | ||
654 | void | |
12e8797f | 655 | __gnat_os_filename (char *filename ATTRIBUTE_UNUSED, |
656 | char *w_filename ATTRIBUTE_UNUSED, | |
1aa4b9ce | 657 | char *os_name, int *o_length, |
c62e34a4 | 658 | char *encoding ATTRIBUTE_UNUSED, int *e_length) |
1aa4b9ce | 659 | { |
8c7d3bad | 660 | #if defined (_WIN32) && ! defined (__vxworks) && ! defined (IS_CROSS) |
7bb7733e | 661 | WS2SC (os_name, (TCHAR *)w_filename, (DWORD)*o_length); |
1aa4b9ce | 662 | *o_length = strlen (os_name); |
663 | strcpy (encoding, "encoding=utf8"); | |
664 | *e_length = strlen (encoding); | |
665 | #else | |
666 | strcpy (os_name, filename); | |
667 | *o_length = strlen (filename); | |
668 | *e_length = 0; | |
669 | #endif | |
670 | } | |
671 | ||
13320214 | 672 | /* Delete a file. */ |
673 | ||
674 | int | |
675 | __gnat_unlink (char *path) | |
676 | { | |
8c7d3bad | 677 | #if defined (__MINGW32__) && ! defined (__vxworks) && ! defined (IS_CROSS) |
13320214 | 678 | { |
679 | TCHAR wpath[GNAT_MAX_PATH_LEN]; | |
680 | ||
f60cc57d | 681 | S2WSC (wpath, path, GNAT_MAX_PATH_LEN); |
13320214 | 682 | return _tunlink (wpath); |
683 | } | |
684 | #else | |
685 | return unlink (path); | |
686 | #endif | |
687 | } | |
688 | ||
689 | /* Rename a file. */ | |
690 | ||
691 | int | |
692 | __gnat_rename (char *from, char *to) | |
693 | { | |
8c7d3bad | 694 | #if defined (__MINGW32__) && ! defined (__vxworks) && ! defined (IS_CROSS) |
13320214 | 695 | { |
696 | TCHAR wfrom[GNAT_MAX_PATH_LEN], wto[GNAT_MAX_PATH_LEN]; | |
697 | ||
f60cc57d | 698 | S2WSC (wfrom, from, GNAT_MAX_PATH_LEN); |
699 | S2WSC (wto, to, GNAT_MAX_PATH_LEN); | |
13320214 | 700 | return _trename (wfrom, wto); |
701 | } | |
702 | #else | |
703 | return rename (from, to); | |
704 | #endif | |
705 | } | |
706 | ||
a8d94a8f | 707 | /* Changing directory. */ |
708 | ||
709 | int | |
710 | __gnat_chdir (char *path) | |
711 | { | |
8c7d3bad | 712 | #if defined (__MINGW32__) && ! defined (__vxworks) && ! defined (IS_CROSS) |
a8d94a8f | 713 | { |
714 | TCHAR wpath[GNAT_MAX_PATH_LEN]; | |
715 | ||
f60cc57d | 716 | S2WSC (wpath, path, GNAT_MAX_PATH_LEN); |
a8d94a8f | 717 | return _tchdir (wpath); |
718 | } | |
719 | #else | |
720 | return chdir (path); | |
721 | #endif | |
722 | } | |
723 | ||
437991c2 | 724 | /* Removing a directory. */ |
725 | ||
726 | int | |
727 | __gnat_rmdir (char *path) | |
728 | { | |
8c7d3bad | 729 | #if defined (__MINGW32__) && ! defined (__vxworks) && ! defined (IS_CROSS) |
437991c2 | 730 | { |
731 | TCHAR wpath[GNAT_MAX_PATH_LEN]; | |
732 | ||
f60cc57d | 733 | S2WSC (wpath, path, GNAT_MAX_PATH_LEN); |
437991c2 | 734 | return _trmdir (wpath); |
735 | } | |
2db7aef0 | 736 | #elif defined (VTHREADS) |
737 | /* rmdir not available */ | |
738 | return -1; | |
437991c2 | 739 | #else |
740 | return rmdir (path); | |
741 | #endif | |
742 | } | |
743 | ||
5cf1cbbb | 744 | #if defined (_WIN32) || defined (linux) || defined (sun) \ |
745 | || defined (__FreeBSD__) | |
746 | #define HAS_TARGET_WCHAR_T | |
747 | #endif | |
748 | ||
749 | #ifdef HAS_TARGET_WCHAR_T | |
750 | #include <wchar.h> | |
751 | #endif | |
752 | ||
7601c9a8 | 753 | int |
754 | __gnat_fputwc(int c, FILE *stream) | |
755 | { | |
5cf1cbbb | 756 | #ifdef HAS_TARGET_WCHAR_T |
7601c9a8 | 757 | return fputwc ((wchar_t)c, stream); |
758 | #else | |
759 | return fputc (c, stream); | |
760 | #endif | |
761 | } | |
762 | ||
e2c62f37 | 763 | FILE * |
9c8f71d4 | 764 | __gnat_fopen (char *path, char *mode, int encoding ATTRIBUTE_UNUSED) |
e2c62f37 | 765 | { |
8c7d3bad | 766 | #if defined (_WIN32) && ! defined (__vxworks) && ! defined (IS_CROSS) |
e2c62f37 | 767 | TCHAR wpath[GNAT_MAX_PATH_LEN]; |
768 | TCHAR wmode[10]; | |
769 | ||
e2c62f37 | 770 | S2WS (wmode, mode, 10); |
1e622f0e | 771 | |
f60cc57d | 772 | if (encoding == Encoding_Unspecified) |
773 | S2WSC (wpath, path, GNAT_MAX_PATH_LEN); | |
774 | else if (encoding == Encoding_UTF8) | |
1e622f0e | 775 | S2WSU (wpath, path, GNAT_MAX_PATH_LEN); |
776 | else | |
777 | S2WS (wpath, path, GNAT_MAX_PATH_LEN); | |
778 | ||
e2c62f37 | 779 | return _tfopen (wpath, wmode); |
3897a124 | 780 | |
e2c62f37 | 781 | #else |
8cb516d7 | 782 | return GNAT_FOPEN (path, mode); |
7465a8fe | 783 | #endif |
e2c62f37 | 784 | } |
785 | ||
e2c62f37 | 786 | FILE * |
d9c927cc | 787 | __gnat_freopen (char *path, |
788 | char *mode, | |
789 | FILE *stream, | |
9c8f71d4 | 790 | int encoding ATTRIBUTE_UNUSED) |
e2c62f37 | 791 | { |
8c7d3bad | 792 | #if defined (_WIN32) && ! defined (__vxworks) && ! defined (IS_CROSS) |
e2c62f37 | 793 | TCHAR wpath[GNAT_MAX_PATH_LEN]; |
794 | TCHAR wmode[10]; | |
795 | ||
e2c62f37 | 796 | S2WS (wmode, mode, 10); |
1e622f0e | 797 | |
f60cc57d | 798 | if (encoding == Encoding_Unspecified) |
799 | S2WSC (wpath, path, GNAT_MAX_PATH_LEN); | |
800 | else if (encoding == Encoding_UTF8) | |
1e622f0e | 801 | S2WSU (wpath, path, GNAT_MAX_PATH_LEN); |
802 | else | |
803 | S2WS (wpath, path, GNAT_MAX_PATH_LEN); | |
804 | ||
e2c62f37 | 805 | return _tfreopen (wpath, wmode, stream); |
806 | #else | |
807 | return freopen (path, mode, stream); | |
808 | #endif | |
809 | } | |
810 | ||
1fac938e | 811 | int |
9dfe12ae | 812 | __gnat_open_read (char *path, int fmode) |
1fac938e | 813 | { |
814 | int fd; | |
815 | int o_fmode = O_BINARY; | |
816 | ||
817 | if (fmode) | |
818 | o_fmode = O_TEXT; | |
819 | ||
3897a124 | 820 | #if defined (__vxworks) |
1fac938e | 821 | fd = open (path, O_RDONLY | o_fmode, 0444); |
3b18b370 | 822 | #elif defined (__MINGW32__) |
823 | { | |
824 | TCHAR wpath[GNAT_MAX_PATH_LEN]; | |
825 | ||
f60cc57d | 826 | S2WSC (wpath, path, GNAT_MAX_PATH_LEN); |
3b18b370 | 827 | fd = _topen (wpath, O_RDONLY | o_fmode, 0444); |
828 | } | |
1fac938e | 829 | #else |
781a0dc4 | 830 | fd = GNAT_OPEN (path, O_RDONLY | o_fmode); |
1fac938e | 831 | #endif |
f15731c4 | 832 | |
1fac938e | 833 | return fd < 0 ? -1 : fd; |
834 | } | |
835 | ||
30592778 | 836 | #if defined (__MINGW32__) |
1fac938e | 837 | #define PERM (S_IREAD | S_IWRITE) |
838 | #else | |
839 | #define PERM (S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH | S_IWOTH) | |
840 | #endif | |
841 | ||
842 | int | |
9dfe12ae | 843 | __gnat_open_rw (char *path, int fmode) |
1fac938e | 844 | { |
845 | int fd; | |
846 | int o_fmode = O_BINARY; | |
847 | ||
848 | if (fmode) | |
849 | o_fmode = O_TEXT; | |
850 | ||
3897a124 | 851 | #if defined (__MINGW32__) |
3b18b370 | 852 | { |
853 | TCHAR wpath[GNAT_MAX_PATH_LEN]; | |
854 | ||
f60cc57d | 855 | S2WSC (wpath, path, GNAT_MAX_PATH_LEN); |
3b18b370 | 856 | fd = _topen (wpath, O_RDWR | o_fmode, PERM); |
857 | } | |
1fac938e | 858 | #else |
781a0dc4 | 859 | fd = GNAT_OPEN (path, O_RDWR | o_fmode, PERM); |
1fac938e | 860 | #endif |
861 | ||
862 | return fd < 0 ? -1 : fd; | |
863 | } | |
864 | ||
865 | int | |
9dfe12ae | 866 | __gnat_open_create (char *path, int fmode) |
1fac938e | 867 | { |
868 | int fd; | |
869 | int o_fmode = O_BINARY; | |
870 | ||
871 | if (fmode) | |
872 | o_fmode = O_TEXT; | |
873 | ||
3897a124 | 874 | #if defined (__MINGW32__) |
3b18b370 | 875 | { |
876 | TCHAR wpath[GNAT_MAX_PATH_LEN]; | |
877 | ||
f60cc57d | 878 | S2WSC (wpath, path, GNAT_MAX_PATH_LEN); |
3b18b370 | 879 | fd = _topen (wpath, O_WRONLY | O_CREAT | O_TRUNC | o_fmode, PERM); |
880 | } | |
1fac938e | 881 | #else |
781a0dc4 | 882 | fd = GNAT_OPEN (path, O_WRONLY | O_CREAT | O_TRUNC | o_fmode, PERM); |
1fac938e | 883 | #endif |
884 | ||
885 | return fd < 0 ? -1 : fd; | |
28ed91d4 | 886 | } |
887 | ||
888 | int | |
889 | __gnat_create_output_file (char *path) | |
890 | { | |
891 | int fd; | |
3897a124 | 892 | #if defined (__MINGW32__) |
3b18b370 | 893 | { |
894 | TCHAR wpath[GNAT_MAX_PATH_LEN]; | |
895 | ||
f60cc57d | 896 | S2WSC (wpath, path, GNAT_MAX_PATH_LEN); |
3b18b370 | 897 | fd = _topen (wpath, O_WRONLY | O_CREAT | O_TRUNC | O_TEXT, PERM); |
898 | } | |
28ed91d4 | 899 | #else |
781a0dc4 | 900 | fd = GNAT_OPEN (path, O_WRONLY | O_CREAT | O_TRUNC | O_TEXT, PERM); |
28ed91d4 | 901 | #endif |
902 | ||
903 | return fd < 0 ? -1 : fd; | |
1fac938e | 904 | } |
905 | ||
df40eeb0 | 906 | int |
907 | __gnat_create_output_file_new (char *path) | |
908 | { | |
909 | int fd; | |
3897a124 | 910 | #if defined (__MINGW32__) |
df40eeb0 | 911 | { |
912 | TCHAR wpath[GNAT_MAX_PATH_LEN]; | |
913 | ||
914 | S2WSC (wpath, path, GNAT_MAX_PATH_LEN); | |
915 | fd = _topen (wpath, O_WRONLY | O_CREAT | O_TRUNC | O_TEXT | O_EXCL, PERM); | |
916 | } | |
917 | #else | |
781a0dc4 | 918 | fd = GNAT_OPEN (path, O_WRONLY | O_CREAT | O_TRUNC | O_TEXT | O_EXCL, PERM); |
df40eeb0 | 919 | #endif |
920 | ||
921 | return fd < 0 ? -1 : fd; | |
922 | } | |
923 | ||
1fac938e | 924 | int |
9dfe12ae | 925 | __gnat_open_append (char *path, int fmode) |
1fac938e | 926 | { |
927 | int fd; | |
928 | int o_fmode = O_BINARY; | |
929 | ||
930 | if (fmode) | |
931 | o_fmode = O_TEXT; | |
932 | ||
3897a124 | 933 | #if defined (__MINGW32__) |
3b18b370 | 934 | { |
935 | TCHAR wpath[GNAT_MAX_PATH_LEN]; | |
936 | ||
f60cc57d | 937 | S2WSC (wpath, path, GNAT_MAX_PATH_LEN); |
3b18b370 | 938 | fd = _topen (wpath, O_WRONLY | O_CREAT | O_APPEND | o_fmode, PERM); |
939 | } | |
1fac938e | 940 | #else |
781a0dc4 | 941 | fd = GNAT_OPEN (path, O_WRONLY | O_CREAT | O_APPEND | o_fmode, PERM); |
1fac938e | 942 | #endif |
943 | ||
944 | return fd < 0 ? -1 : fd; | |
945 | } | |
946 | ||
f15731c4 | 947 | /* Open a new file. Return error (-1) if the file already exists. */ |
1fac938e | 948 | |
949 | int | |
9dfe12ae | 950 | __gnat_open_new (char *path, int fmode) |
1fac938e | 951 | { |
952 | int fd; | |
953 | int o_fmode = O_BINARY; | |
954 | ||
955 | if (fmode) | |
956 | o_fmode = O_TEXT; | |
957 | ||
3897a124 | 958 | #if defined (__MINGW32__) |
3b18b370 | 959 | { |
960 | TCHAR wpath[GNAT_MAX_PATH_LEN]; | |
961 | ||
f60cc57d | 962 | S2WSC (wpath, path, GNAT_MAX_PATH_LEN); |
3b18b370 | 963 | fd = _topen (wpath, O_WRONLY | O_CREAT | O_EXCL | o_fmode, PERM); |
964 | } | |
1fac938e | 965 | #else |
781a0dc4 | 966 | fd = GNAT_OPEN (path, O_WRONLY | O_CREAT | O_EXCL | o_fmode, PERM); |
1fac938e | 967 | #endif |
968 | ||
969 | return fd < 0 ? -1 : fd; | |
970 | } | |
971 | ||
3897a124 | 972 | /* Open a new temp file. Return error (-1) if the file already exists. */ |
1fac938e | 973 | |
974 | int | |
9dfe12ae | 975 | __gnat_open_new_temp (char *path, int fmode) |
1fac938e | 976 | { |
977 | int fd; | |
978 | int o_fmode = O_BINARY; | |
979 | ||
980 | strcpy (path, "GNAT-XXXXXX"); | |
981 | ||
e0324ff5 | 982 | #if (defined (__FreeBSD__) || defined (__NetBSD__) || defined (__OpenBSD__) \ |
9d093602 | 983 | || defined (linux) || defined(__GLIBC__)) && !defined (__vxworks) |
1fac938e | 984 | return mkstemp (path); |
159eb63c | 985 | #elif defined (__Lynx__) |
986 | mktemp (path); | |
5091bc2f | 987 | #elif defined (__nucleus__) |
988 | return -1; | |
1fac938e | 989 | #else |
990 | if (mktemp (path) == NULL) | |
991 | return -1; | |
992 | #endif | |
993 | ||
994 | if (fmode) | |
995 | o_fmode = O_TEXT; | |
996 | ||
781a0dc4 | 997 | fd = GNAT_OPEN (path, O_WRONLY | O_CREAT | O_EXCL | o_fmode, PERM); |
1fac938e | 998 | return fd < 0 ? -1 : fd; |
999 | } | |
1000 | ||
cdeff474 | 1001 | int |
1002 | __gnat_open (char *path, int fmode) | |
1003 | { | |
1004 | int fd; | |
1005 | ||
3897a124 | 1006 | #if defined (__MINGW32__) |
cdeff474 | 1007 | { |
1008 | TCHAR wpath[GNAT_MAX_PATH_LEN]; | |
1009 | ||
1010 | S2WSC (wpath, path, GNAT_MAX_PATH_LEN); | |
1011 | fd = _topen (wpath, fmode, PERM); | |
1012 | } | |
1013 | #else | |
1014 | fd = GNAT_OPEN (path, fmode, PERM); | |
1015 | #endif | |
1016 | ||
1017 | return fd < 0 ? -1 : fd; | |
1018 | } | |
1019 | ||
5f93bcbf | 1020 | /**************************************************************** |
1021 | ** Perform a call to GNAT_STAT or GNAT_FSTAT, and extract as much information | |
1022 | ** as possible from it, storing the result in a cache for later reuse | |
1023 | ****************************************************************/ | |
1fac938e | 1024 | |
5f93bcbf | 1025 | void |
1026 | __gnat_stat_to_attr (int fd, char* name, struct file_attributes* attr) | |
1fac938e | 1027 | { |
8cb516d7 | 1028 | GNAT_STRUCT_STAT statbuf; |
28a4283c | 1029 | int ret, error; |
1fac938e | 1030 | |
28a4283c | 1031 | if (fd != -1) { |
1032 | /* GNAT_FSTAT returns -1 and sets errno for failure */ | |
5f93bcbf | 1033 | ret = GNAT_FSTAT (fd, &statbuf); |
28a4283c | 1034 | error = ret ? errno : 0; |
1035 | ||
1036 | } else { | |
1037 | /* __gnat_stat returns errno value directly */ | |
1038 | error = __gnat_stat (name, &statbuf); | |
1039 | ret = error ? -1 : 0; | |
1040 | } | |
1041 | ||
1042 | /* | |
1043 | * A missing file is reported as an attr structure with error == 0 and | |
1044 | * exists == 0. | |
1045 | */ | |
1046 | ||
1047 | if (error == 0 || error == ENOENT) | |
1048 | attr->error = 0; | |
5f93bcbf | 1049 | else |
28a4283c | 1050 | attr->error = error; |
5f93bcbf | 1051 | |
1052 | attr->regular = (!ret && S_ISREG (statbuf.st_mode)); | |
1053 | attr->directory = (!ret && S_ISDIR (statbuf.st_mode)); | |
1fac938e | 1054 | |
5f93bcbf | 1055 | if (!attr->regular) |
1056 | attr->file_length = 0; | |
1057 | else | |
1058 | /* st_size may be 32 bits, or 64 bits which is converted to long. We | |
1059 | don't return a useful value for files larger than 2 gigabytes in | |
1060 | either case. */ | |
1061 | attr->file_length = statbuf.st_size; /* all systems */ | |
1062 | ||
5f93bcbf | 1063 | attr->exists = !ret; |
5f93bcbf | 1064 | |
1065 | #if !defined (_WIN32) || defined (RTX) | |
1066 | /* on Windows requires extra system call, see __gnat_is_readable_file_attr */ | |
1067 | attr->readable = (!ret && (statbuf.st_mode & S_IRUSR)); | |
1068 | attr->writable = (!ret && (statbuf.st_mode & S_IWUSR)); | |
1069 | attr->executable = (!ret && (statbuf.st_mode & S_IXUSR)); | |
1070 | #endif | |
1071 | ||
5f93bcbf | 1072 | if (ret != 0) { |
1073 | attr->timestamp = (OS_Time)-1; | |
1074 | } else { | |
5f93bcbf | 1075 | attr->timestamp = (OS_Time)statbuf.st_mtime; |
5f93bcbf | 1076 | } |
1fac938e | 1077 | } |
1078 | ||
5f93bcbf | 1079 | /**************************************************************** |
1080 | ** Return the number of bytes in the specified file | |
1081 | ****************************************************************/ | |
d24d7e81 | 1082 | |
8e28536f | 1083 | __int64 |
5f93bcbf | 1084 | __gnat_file_length_attr (int fd, char* name, struct file_attributes* attr) |
d24d7e81 | 1085 | { |
5f93bcbf | 1086 | if (attr->file_length == -1) { |
1087 | __gnat_stat_to_attr (fd, name, attr); | |
1088 | } | |
d24d7e81 | 1089 | |
5f93bcbf | 1090 | return attr->file_length; |
1091 | } | |
d24d7e81 | 1092 | |
8e28536f | 1093 | __int64 |
5f93bcbf | 1094 | __gnat_file_length (int fd) |
1095 | { | |
1096 | struct file_attributes attr; | |
d2697a05 | 1097 | __gnat_reset_attributes (&attr); |
5f93bcbf | 1098 | return __gnat_file_length_attr (fd, NULL, &attr); |
1099 | } | |
c85cfca7 | 1100 | |
26a98730 | 1101 | long |
1102 | __gnat_file_length_long (int fd) | |
1103 | { | |
1104 | struct file_attributes attr; | |
1105 | __gnat_reset_attributes (&attr); | |
1106 | return (long)__gnat_file_length_attr (fd, NULL, &attr); | |
1107 | } | |
1108 | ||
8e28536f | 1109 | __int64 |
5f93bcbf | 1110 | __gnat_named_file_length (char *name) |
1111 | { | |
1112 | struct file_attributes attr; | |
d2697a05 | 1113 | __gnat_reset_attributes (&attr); |
5f93bcbf | 1114 | return __gnat_file_length_attr (-1, name, &attr); |
d24d7e81 | 1115 | } |
1116 | ||
1fac938e | 1117 | /* Create a temporary filename and put it in string pointed to by |
f15731c4 | 1118 | TMP_FILENAME. */ |
1fac938e | 1119 | |
1120 | void | |
9dfe12ae | 1121 | __gnat_tmp_name (char *tmp_filename) |
1fac938e | 1122 | { |
72772d89 | 1123 | #ifdef RTX |
f5099270 | 1124 | /* Variable used to create a series of unique names */ |
1125 | static int counter = 0; | |
1126 | ||
1127 | /* RTX in RTSS mode does not support tempnam nor tmpnam so we emulate it */ | |
1128 | strcpy (tmp_filename, "c:\\WINDOWS\\Temp\\gnat-"); | |
1129 | sprintf (&tmp_filename[strlen (tmp_filename)], "%d\0", counter++); | |
72772d89 | 1130 | |
1131 | #elif defined (__MINGW32__) | |
1fac938e | 1132 | { |
1133 | char *pname; | |
8db090bd | 1134 | char prefix[25]; |
1fac938e | 1135 | |
1136 | /* tempnam tries to create a temporary file in directory pointed to by | |
1137 | TMP environment variable, in c:\temp if TMP is not set, and in | |
1138 | directory specified by P_tmpdir in stdio.h if c:\temp does not | |
1139 | exist. The filename will be created with the prefix "gnat-". */ | |
1140 | ||
8db090bd | 1141 | sprintf (prefix, "gnat-%d-", (int)getpid()); |
1142 | pname = (char *) _tempnam ("c:\\temp", prefix); | |
1fac938e | 1143 | |
9dfe12ae | 1144 | /* if pname is NULL, the file was not created properly, the disk is full |
1145 | or there is no more free temporary files */ | |
1146 | ||
1147 | if (pname == NULL) | |
1148 | *tmp_filename = '\0'; | |
1149 | ||
f15731c4 | 1150 | /* If pname start with a back slash and not path information it means that |
1151 | the filename is valid for the current working directory. */ | |
1fac938e | 1152 | |
9dfe12ae | 1153 | else if (pname[0] == '\\') |
1fac938e | 1154 | { |
1155 | strcpy (tmp_filename, ".\\"); | |
1156 | strcat (tmp_filename, pname+1); | |
1157 | } | |
1158 | else | |
1159 | strcpy (tmp_filename, pname); | |
1160 | ||
1161 | free (pname); | |
1162 | } | |
f15731c4 | 1163 | |
e0324ff5 | 1164 | #elif defined (linux) || defined (__FreeBSD__) || defined (__NetBSD__) \ |
5bfeb3fa | 1165 | || defined (__OpenBSD__) || defined(__GLIBC__) || defined (__ANDROID__) |
9dfe12ae | 1166 | #define MAX_SAFE_PATH 1000 |
1fac938e | 1167 | char *tmpdir = getenv ("TMPDIR"); |
1168 | ||
9dfe12ae | 1169 | /* If tmpdir is longer than MAX_SAFE_PATH, revert to default value to avoid |
1170 | a buffer overflow. */ | |
1171 | if (tmpdir == NULL || strlen (tmpdir) > MAX_SAFE_PATH) | |
5bfeb3fa | 1172 | #ifdef __ANDROID__ |
1173 | strcpy (tmp_filename, "/cache/gnat-XXXXXX"); | |
1174 | #else | |
1fac938e | 1175 | strcpy (tmp_filename, "/tmp/gnat-XXXXXX"); |
5bfeb3fa | 1176 | #endif |
1fac938e | 1177 | else |
9dfe12ae | 1178 | sprintf (tmp_filename, "%s/gnat-XXXXXX", tmpdir); |
1fac938e | 1179 | |
1180 | close (mkstemp(tmp_filename)); | |
f5688ed4 | 1181 | #elif defined (__vxworks) && !(defined (__RTP__) || defined (VTHREADS)) |
1182 | int index; | |
1183 | char * pos; | |
1184 | ushort_t t; | |
1185 | static ushort_t seed = 0; /* used to generate unique name */ | |
1186 | ||
1187 | /* generate unique name */ | |
1188 | strcpy (tmp_filename, "tmp"); | |
1189 | ||
1190 | /* fill up the name buffer from the last position */ | |
1191 | index = 5; | |
1192 | pos = tmp_filename + strlen (tmp_filename) + index; | |
1193 | *pos = '\0'; | |
1194 | ||
1195 | seed++; | |
1196 | for (t = seed; 0 <= --index; t >>= 3) | |
1197 | *--pos = '0' + (t & 07); | |
1fac938e | 1198 | #else |
1199 | tmpnam (tmp_filename); | |
1200 | #endif | |
1201 | } | |
1202 | ||
3b18b370 | 1203 | /* Open directory and returns a DIR pointer. */ |
1204 | ||
1205 | DIR* __gnat_opendir (char *name) | |
1206 | { | |
e2a33c18 | 1207 | #if defined (RTX) |
1208 | /* Not supported in RTX */ | |
1209 | ||
1210 | return NULL; | |
1211 | ||
1212 | #elif defined (__MINGW32__) | |
3b18b370 | 1213 | TCHAR wname[GNAT_MAX_PATH_LEN]; |
1214 | ||
f60cc57d | 1215 | S2WSC (wname, name, GNAT_MAX_PATH_LEN); |
3b18b370 | 1216 | return (DIR*)_topendir (wname); |
1217 | ||
1218 | #else | |
1219 | return opendir (name); | |
1220 | #endif | |
1221 | } | |
1222 | ||
1fac938e | 1223 | /* Read the next entry in a directory. The returned string points somewhere |
1224 | in the buffer. */ | |
1225 | ||
1226 | char * | |
3b18b370 | 1227 | __gnat_readdir (DIR *dirp, char *buffer, int *len) |
1fac938e | 1228 | { |
e2a33c18 | 1229 | #if defined (RTX) |
1230 | /* Not supported in RTX */ | |
1231 | ||
1232 | return NULL; | |
8e726ab4 | 1233 | |
e2a33c18 | 1234 | #elif defined (__MINGW32__) |
3b18b370 | 1235 | struct _tdirent *dirent = _treaddir ((_TDIR*)dirp); |
1236 | ||
1237 | if (dirent != NULL) | |
1238 | { | |
f60cc57d | 1239 | WS2SC (buffer, dirent->d_name, GNAT_MAX_PATH_LEN); |
3b18b370 | 1240 | *len = strlen (buffer); |
1241 | ||
1242 | return buffer; | |
1243 | } | |
1244 | else | |
1245 | return NULL; | |
1246 | ||
1247 | #elif defined (HAVE_READDIR_R) | |
1fac938e | 1248 | /* If possible, try to use the thread-safe version. */ |
1fac938e | 1249 | if (readdir_r (dirp, buffer) != NULL) |
1aa4b9ce | 1250 | { |
1251 | *len = strlen (((struct dirent*) buffer)->d_name); | |
1252 | return ((struct dirent*) buffer)->d_name; | |
1253 | } | |
1fac938e | 1254 | else |
1255 | return NULL; | |
1256 | ||
1257 | #else | |
5b941af6 | 1258 | struct dirent *dirent = (struct dirent *) readdir (dirp); |
1fac938e | 1259 | |
1260 | if (dirent != NULL) | |
1261 | { | |
1262 | strcpy (buffer, dirent->d_name); | |
3b18b370 | 1263 | *len = strlen (buffer); |
1fac938e | 1264 | return buffer; |
1265 | } | |
1266 | else | |
1267 | return NULL; | |
1268 | ||
1269 | #endif | |
1270 | } | |
1271 | ||
3b18b370 | 1272 | /* Close a directory entry. */ |
1273 | ||
1274 | int __gnat_closedir (DIR *dirp) | |
1275 | { | |
e2a33c18 | 1276 | #if defined (RTX) |
1277 | /* Not supported in RTX */ | |
1278 | ||
1279 | return 0; | |
1280 | ||
1281 | #elif defined (__MINGW32__) | |
3b18b370 | 1282 | return _tclosedir ((_TDIR*)dirp); |
1283 | ||
1284 | #else | |
1285 | return closedir (dirp); | |
1286 | #endif | |
1287 | } | |
1288 | ||
1fac938e | 1289 | /* Returns 1 if readdir is thread safe, 0 otherwise. */ |
1290 | ||
1291 | int | |
6f2c2693 | 1292 | __gnat_readdir_is_thread_safe (void) |
1fac938e | 1293 | { |
1294 | #ifdef HAVE_READDIR_R | |
1295 | return 1; | |
1296 | #else | |
1297 | return 0; | |
1298 | #endif | |
1299 | } | |
1300 | ||
e2a33c18 | 1301 | #if defined (_WIN32) && !defined (RTX) |
982e2721 | 1302 | /* Number of seconds between <Jan 1st 1601> and <Jan 1st 1970>. */ |
1303 | static const unsigned long long w32_epoch_offset = 11644473600ULL; | |
1fac938e | 1304 | |
1305 | /* Returns the file modification timestamp using Win32 routines which are | |
1306 | immune against daylight saving time change. It is in fact not possible to | |
1307 | use fstat for this purpose as the DST modify the st_mtime field of the | |
1308 | stat structure. */ | |
1309 | ||
1310 | static time_t | |
9dfe12ae | 1311 | win32_filetime (HANDLE h) |
1fac938e | 1312 | { |
982e2721 | 1313 | union |
1314 | { | |
1315 | FILETIME ft_time; | |
1316 | unsigned long long ull_time; | |
1317 | } t_write; | |
1fac938e | 1318 | |
1319 | /* GetFileTime returns FILETIME data which are the number of 100 nanosecs | |
1320 | since <Jan 1st 1601>. This function must return the number of seconds | |
1321 | since <Jan 1st 1970>. */ | |
1322 | ||
982e2721 | 1323 | if (GetFileTime (h, NULL, NULL, &t_write.ft_time)) |
3b18b370 | 1324 | return (time_t) (t_write.ull_time / 10000000ULL - w32_epoch_offset); |
982e2721 | 1325 | return (time_t) 0; |
1fac938e | 1326 | } |
d7c2851f | 1327 | |
1328 | /* As above but starting from a FILETIME. */ | |
7edd5071 | 1329 | static void |
c8a2d809 | 1330 | f2t (const FILETIME *ft, __time64_t *t) |
d7c2851f | 1331 | { |
1332 | union | |
1333 | { | |
1334 | FILETIME ft_time; | |
1335 | unsigned long long ull_time; | |
1336 | } t_write; | |
1337 | ||
1338 | t_write.ft_time = *ft; | |
c8a2d809 | 1339 | *t = (__time64_t) (t_write.ull_time / 10000000ULL - w32_epoch_offset); |
d7c2851f | 1340 | } |
1fac938e | 1341 | #endif |
1342 | ||
1343 | /* Return a GNAT time stamp given a file name. */ | |
1344 | ||
1bbc9831 | 1345 | OS_Time |
5f93bcbf | 1346 | __gnat_file_time_name_attr (char* name, struct file_attributes* attr) |
1fac938e | 1347 | { |
5f93bcbf | 1348 | if (attr->timestamp == (OS_Time)-2) { |
30592778 | 1349 | #if defined (_WIN32) && !defined (RTX) |
7edd5071 | 1350 | BOOL res; |
1351 | WIN32_FILE_ATTRIBUTE_DATA fad; | |
c8a2d809 | 1352 | __time64_t ret = -1; |
5f93bcbf | 1353 | TCHAR wname[GNAT_MAX_PATH_LEN]; |
1354 | S2WSC (wname, name, GNAT_MAX_PATH_LEN); | |
3b18b370 | 1355 | |
928c11f3 | 1356 | if ((res = GetFileAttributesEx (wname, GetFileExInfoStandard, &fad))) |
7edd5071 | 1357 | f2t (&fad.ftLastWriteTime, &ret); |
5f93bcbf | 1358 | attr->timestamp = (OS_Time) ret; |
1fac938e | 1359 | #else |
5f93bcbf | 1360 | __gnat_stat_to_attr (-1, name, attr); |
1fac938e | 1361 | #endif |
1bbc9831 | 1362 | } |
5f93bcbf | 1363 | return attr->timestamp; |
1364 | } | |
1365 | ||
1366 | OS_Time | |
1367 | __gnat_file_time_name (char *name) | |
1368 | { | |
1369 | struct file_attributes attr; | |
d2697a05 | 1370 | __gnat_reset_attributes (&attr); |
5f93bcbf | 1371 | return __gnat_file_time_name_attr (name, &attr); |
1fac938e | 1372 | } |
1373 | ||
1374 | /* Return a GNAT time stamp given a file descriptor. */ | |
1375 | ||
1bbc9831 | 1376 | OS_Time |
5f93bcbf | 1377 | __gnat_file_time_fd_attr (int fd, struct file_attributes* attr) |
1fac938e | 1378 | { |
5f93bcbf | 1379 | if (attr->timestamp == (OS_Time)-2) { |
30592778 | 1380 | #if defined (_WIN32) && !defined (RTX) |
5f93bcbf | 1381 | HANDLE h = (HANDLE) _get_osfhandle (fd); |
1382 | time_t ret = win32_filetime (h); | |
1383 | attr->timestamp = (OS_Time) ret; | |
1fac938e | 1384 | |
1385 | #else | |
5f93bcbf | 1386 | __gnat_stat_to_attr (fd, NULL, attr); |
1fac938e | 1387 | #endif |
5f93bcbf | 1388 | } |
1389 | ||
1390 | return attr->timestamp; | |
1391 | } | |
1392 | ||
1393 | OS_Time | |
1394 | __gnat_file_time_fd (int fd) | |
1395 | { | |
1396 | struct file_attributes attr; | |
d2697a05 | 1397 | __gnat_reset_attributes (&attr); |
5f93bcbf | 1398 | return __gnat_file_time_fd_attr (fd, &attr); |
1fac938e | 1399 | } |
1400 | ||
f15731c4 | 1401 | /* Set the file time stamp. */ |
d8dd2062 | 1402 | |
1403 | void | |
9dfe12ae | 1404 | __gnat_set_file_time_name (char *name, time_t time_stamp) |
d8dd2062 | 1405 | { |
30592778 | 1406 | #if defined (__vxworks) |
71a3e619 | 1407 | |
f15731c4 | 1408 | /* Code to implement __gnat_set_file_time_name for these systems. */ |
71a3e619 | 1409 | |
e2a33c18 | 1410 | #elif defined (_WIN32) && !defined (RTX) |
982e2721 | 1411 | union |
1412 | { | |
1413 | FILETIME ft_time; | |
1414 | unsigned long long ull_time; | |
1415 | } t_write; | |
3b18b370 | 1416 | TCHAR wname[GNAT_MAX_PATH_LEN]; |
fabb7dc5 | 1417 | |
f60cc57d | 1418 | S2WSC (wname, name, GNAT_MAX_PATH_LEN); |
3b18b370 | 1419 | |
1420 | HANDLE h = CreateFile | |
1421 | (wname, GENERIC_WRITE, FILE_SHARE_WRITE, NULL, | |
1422 | OPEN_EXISTING, FILE_FLAG_BACKUP_SEMANTICS, | |
1423 | NULL); | |
982e2721 | 1424 | if (h == INVALID_HANDLE_VALUE) |
1425 | return; | |
1426 | /* Add number of seconds between <Jan 1st 1601> and <Jan 1st 1970> */ | |
1427 | t_write.ull_time = ((unsigned long long)time_stamp + w32_epoch_offset); | |
1428 | /* Convert to 100 nanosecond units */ | |
1429 | t_write.ull_time *= 10000000ULL; | |
1430 | ||
1431 | SetFileTime(h, NULL, NULL, &t_write.ft_time); | |
1432 | CloseHandle (h); | |
1433 | return; | |
1434 | ||
d8dd2062 | 1435 | #else |
1436 | struct utimbuf utimbuf; | |
1437 | time_t t; | |
1438 | ||
f15731c4 | 1439 | /* Set modification time to requested time. */ |
d8dd2062 | 1440 | utimbuf.modtime = time_stamp; |
1441 | ||
f15731c4 | 1442 | /* Set access time to now in local time. */ |
d8dd2062 | 1443 | t = time ((time_t) 0); |
1444 | utimbuf.actime = mktime (localtime (&t)); | |
1445 | ||
1446 | utime (name, &utimbuf); | |
1447 | #endif | |
1448 | } | |
1449 | ||
1fac938e | 1450 | /* Get the list of installed standard libraries from the |
1451 | HKEY_LOCAL_MACHINE\SOFTWARE\Ada Core Technologies\GNAT\Standard Libraries | |
1452 | key. */ | |
1453 | ||
1454 | char * | |
6f2c2693 | 1455 | __gnat_get_libraries_from_registry (void) |
1fac938e | 1456 | { |
69d33a1d | 1457 | char *result = (char *) xmalloc (1); |
1458 | ||
1459 | result[0] = '\0'; | |
1fac938e | 1460 | |
8c7d3bad | 1461 | #if defined (_WIN32) && ! defined (__vxworks) && ! defined (IS_CROSS) \ |
1462 | && ! defined (RTX) | |
1fac938e | 1463 | |
1464 | HKEY reg_key; | |
1465 | DWORD name_size, value_size; | |
1466 | char name[256]; | |
1467 | char value[256]; | |
1468 | DWORD type; | |
1469 | DWORD index; | |
1470 | LONG res; | |
1471 | ||
1472 | /* First open the key. */ | |
1473 | res = RegOpenKeyExA (HKEY_LOCAL_MACHINE, "SOFTWARE", 0, KEY_READ, ®_key); | |
1474 | ||
1475 | if (res == ERROR_SUCCESS) | |
1476 | res = RegOpenKeyExA (reg_key, "Ada Core Technologies", 0, | |
1477 | KEY_READ, ®_key); | |
1478 | ||
1479 | if (res == ERROR_SUCCESS) | |
1480 | res = RegOpenKeyExA (reg_key, "GNAT", 0, KEY_READ, ®_key); | |
1481 | ||
1482 | if (res == ERROR_SUCCESS) | |
1483 | res = RegOpenKeyExA (reg_key, "Standard Libraries", 0, KEY_READ, ®_key); | |
1484 | ||
1485 | /* If the key exists, read out all the values in it and concatenate them | |
1486 | into a path. */ | |
1487 | for (index = 0; res == ERROR_SUCCESS; index++) | |
1488 | { | |
1489 | value_size = name_size = 256; | |
2726b813 | 1490 | res = RegEnumValueA (reg_key, index, name, &name_size, 0, |
e2c62f37 | 1491 | &type, (LPBYTE)value, &value_size); |
1fac938e | 1492 | |
1493 | if (res == ERROR_SUCCESS && type == REG_SZ) | |
1494 | { | |
1495 | char *old_result = result; | |
1496 | ||
1497 | result = (char *) xmalloc (strlen (old_result) + value_size + 2); | |
1498 | strcpy (result, old_result); | |
1499 | strcat (result, value); | |
1500 | strcat (result, ";"); | |
69d33a1d | 1501 | free (old_result); |
1fac938e | 1502 | } |
1503 | } | |
1504 | ||
1505 | /* Remove the trailing ";". */ | |
1506 | if (result[0] != 0) | |
1507 | result[strlen (result) - 1] = 0; | |
2b4d7555 | 1508 | |
69d33a1d | 1509 | #endif |
1fac938e | 1510 | return result; |
1511 | } | |
1512 | ||
28a4283c | 1513 | /* Query information for the given file NAME and return it in STATBUF. |
1514 | * Returns 0 for success, or errno value for failure. | |
1515 | */ | |
1fac938e | 1516 | int |
8cb516d7 | 1517 | __gnat_stat (char *name, GNAT_STRUCT_STAT *statbuf) |
1fac938e | 1518 | { |
3b18b370 | 1519 | #ifdef __MINGW32__ |
d7c2851f | 1520 | WIN32_FILE_ATTRIBUTE_DATA fad; |
3b18b370 | 1521 | TCHAR wname [GNAT_MAX_PATH_LEN + 2]; |
d7c2851f | 1522 | int name_len; |
1523 | BOOL res; | |
7d20685d | 1524 | DWORD error; |
3b18b370 | 1525 | |
f60cc57d | 1526 | S2WSC (wname, name, GNAT_MAX_PATH_LEN + 2); |
3b18b370 | 1527 | name_len = _tcslen (wname); |
e7b2d6bc | 1528 | |
1529 | if (name_len > GNAT_MAX_PATH_LEN) | |
28a4283c | 1530 | return EINVAL; |
1fac938e | 1531 | |
d7c2851f | 1532 | ZeroMemory (statbuf, sizeof(GNAT_STRUCT_STAT)); |
1533 | ||
1534 | res = GetFileAttributesEx (wname, GetFileExInfoStandard, &fad); | |
1535 | ||
7d20685d | 1536 | if (res == FALSE) { |
1537 | error = GetLastError(); | |
1538 | ||
1539 | /* Check file existence using GetFileAttributes() which does not fail on | |
1540 | special Windows files like con:, aux:, nul: etc... */ | |
1541 | ||
1542 | if (GetFileAttributes(wname) != INVALID_FILE_ATTRIBUTES) { | |
1543 | /* Just pretend that it is a regular and readable file */ | |
1544 | statbuf->st_mode = S_IFREG | S_IREAD | S_IWRITE; | |
1545 | return 0; | |
1546 | } | |
1547 | ||
1548 | switch (error) { | |
7edd5071 | 1549 | case ERROR_ACCESS_DENIED: |
1550 | case ERROR_SHARING_VIOLATION: | |
1551 | case ERROR_LOCK_VIOLATION: | |
1552 | case ERROR_SHARING_BUFFER_EXCEEDED: | |
1553 | return EACCES; | |
1554 | case ERROR_BUFFER_OVERFLOW: | |
1555 | return ENAMETOOLONG; | |
1556 | case ERROR_NOT_ENOUGH_MEMORY: | |
1557 | return ENOMEM; | |
1558 | default: | |
1559 | return ENOENT; | |
1fac938e | 1560 | } |
7d20685d | 1561 | } |
1fac938e | 1562 | |
d7c2851f | 1563 | f2t (&fad.ftCreationTime, &statbuf->st_ctime); |
1564 | f2t (&fad.ftLastWriteTime, &statbuf->st_mtime); | |
1565 | f2t (&fad.ftLastAccessTime, &statbuf->st_atime); | |
8234fccd | 1566 | |
b6f6bb02 | 1567 | statbuf->st_size = |
1568 | (__int64)fad.nFileSizeLow | (__int64)fad.nFileSizeHigh << 32; | |
8234fccd | 1569 | |
d7c2851f | 1570 | /* We do not have the S_IEXEC attribute, but this is not used on GNAT. */ |
1571 | statbuf->st_mode = S_IREAD; | |
1fac938e | 1572 | |
d7c2851f | 1573 | if (fad.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) |
1574 | statbuf->st_mode |= S_IFDIR; | |
1575 | else | |
1576 | statbuf->st_mode |= S_IFREG; | |
1577 | ||
1578 | if (!(fad.dwFileAttributes & FILE_ATTRIBUTE_READONLY)) | |
1579 | statbuf->st_mode |= S_IWRITE; | |
1580 | ||
1581 | return 0; | |
1fac938e | 1582 | |
1583 | #else | |
28a4283c | 1584 | return GNAT_STAT (name, statbuf) == 0 ? 0 : errno; |
1fac938e | 1585 | #endif |
1586 | } | |
1587 | ||
5f93bcbf | 1588 | /************************************************************************* |
1589 | ** Check whether a file exists | |
1590 | *************************************************************************/ | |
1591 | ||
1fac938e | 1592 | int |
5f93bcbf | 1593 | __gnat_file_exists_attr (char* name, struct file_attributes* attr) |
1fac938e | 1594 | { |
24d7b9d6 | 1595 | if (attr->exists == ATTR_UNSET) |
1596 | __gnat_stat_to_attr (-1, name, attr); | |
5f93bcbf | 1597 | |
1598 | return attr->exists; | |
1fac938e | 1599 | } |
1600 | ||
5f93bcbf | 1601 | int |
1602 | __gnat_file_exists (char *name) | |
1603 | { | |
1604 | struct file_attributes attr; | |
d2697a05 | 1605 | __gnat_reset_attributes (&attr); |
5f93bcbf | 1606 | return __gnat_file_exists_attr (name, &attr); |
1607 | } | |
1608 | ||
1609 | /********************************************************************** | |
1610 | ** Whether name is an absolute path | |
1611 | **********************************************************************/ | |
1612 | ||
9dfe12ae | 1613 | int |
4a3f445c | 1614 | __gnat_is_absolute_path (char *name, int length) |
1fac938e | 1615 | { |
8620a406 | 1616 | #ifdef __vxworks |
1617 | /* On VxWorks systems, an absolute path can be represented (depending on | |
1618 | the host platform) as either /dir/file, or device:/dir/file, or | |
1619 | device:drive_letter:/dir/file. */ | |
1620 | ||
1621 | int index; | |
1622 | ||
1623 | if (name[0] == '/') | |
1624 | return 1; | |
1625 | ||
1626 | for (index = 0; index < length; index++) | |
1627 | { | |
1628 | if (name[index] == ':' && | |
1629 | ((name[index + 1] == '/') || | |
1630 | (isalpha (name[index + 1]) && index + 2 <= length && | |
1631 | name[index + 2] == '/'))) | |
1632 | return 1; | |
1633 | ||
1634 | else if (name[index] == '/') | |
1635 | return 0; | |
1636 | } | |
1637 | return 0; | |
1638 | #else | |
4a3f445c | 1639 | return (length != 0) && |
1640 | (*name == '/' || *name == DIR_SEPARATOR | |
30592778 | 1641 | #if defined (WINNT) |
a4f295eb | 1642 | || (length > 1 && ISALPHA (name[0]) && name[1] == ':') |
1fac938e | 1643 | #endif |
69d33a1d | 1644 | ); |
8620a406 | 1645 | #endif |
1fac938e | 1646 | } |
1647 | ||
5f93bcbf | 1648 | int |
1649 | __gnat_is_regular_file_attr (char* name, struct file_attributes* attr) | |
1650 | { | |
24d7b9d6 | 1651 | if (attr->regular == ATTR_UNSET) |
1652 | __gnat_stat_to_attr (-1, name, attr); | |
5f93bcbf | 1653 | |
1654 | return attr->regular; | |
1655 | } | |
1656 | ||
1fac938e | 1657 | int |
9dfe12ae | 1658 | __gnat_is_regular_file (char *name) |
1fac938e | 1659 | { |
5f93bcbf | 1660 | struct file_attributes attr; |
24d7b9d6 | 1661 | |
d2697a05 | 1662 | __gnat_reset_attributes (&attr); |
5f93bcbf | 1663 | return __gnat_is_regular_file_attr (name, &attr); |
1664 | } | |
1665 | ||
12c194d1 | 1666 | int |
1667 | __gnat_is_regular_file_fd (int fd) | |
1668 | { | |
1669 | int ret; | |
1670 | GNAT_STRUCT_STAT statbuf; | |
1671 | ||
1672 | ret = GNAT_FSTAT (fd, &statbuf); | |
1673 | return (!ret && S_ISREG (statbuf.st_mode)); | |
1674 | } | |
1675 | ||
5f93bcbf | 1676 | int |
1677 | __gnat_is_directory_attr (char* name, struct file_attributes* attr) | |
1678 | { | |
24d7b9d6 | 1679 | if (attr->directory == ATTR_UNSET) |
1680 | __gnat_stat_to_attr (-1, name, attr); | |
1fac938e | 1681 | |
5f93bcbf | 1682 | return attr->directory; |
1fac938e | 1683 | } |
1684 | ||
1685 | int | |
9dfe12ae | 1686 | __gnat_is_directory (char *name) |
1fac938e | 1687 | { |
5f93bcbf | 1688 | struct file_attributes attr; |
24d7b9d6 | 1689 | |
d2697a05 | 1690 | __gnat_reset_attributes (&attr); |
5f93bcbf | 1691 | return __gnat_is_directory_attr (name, &attr); |
1fac938e | 1692 | } |
1693 | ||
7db1ef17 | 1694 | #if defined (_WIN32) && !defined (RTX) |
57ecb969 | 1695 | |
1696 | /* Returns the same constant as GetDriveType but takes a pathname as | |
1697 | argument. */ | |
1698 | ||
1699 | static UINT | |
1700 | GetDriveTypeFromPath (TCHAR *wfullpath) | |
1701 | { | |
1702 | TCHAR wdrv[MAX_PATH]; | |
1703 | TCHAR wpath[MAX_PATH]; | |
1704 | TCHAR wfilename[MAX_PATH]; | |
1705 | TCHAR wext[MAX_PATH]; | |
1706 | ||
1707 | _tsplitpath (wfullpath, wdrv, wpath, wfilename, wext); | |
1708 | ||
1709 | if (_tcslen (wdrv) != 0) | |
1710 | { | |
1711 | /* we have a drive specified. */ | |
1712 | _tcscat (wdrv, _T("\\")); | |
1713 | return GetDriveType (wdrv); | |
1714 | } | |
1715 | else | |
1716 | { | |
1717 | /* No drive specified. */ | |
1718 | ||
1719 | /* Is this a relative path, if so get current drive type. */ | |
1720 | if (wpath[0] != _T('\\') || | |
24d7b9d6 | 1721 | (_tcslen (wpath) > 2 && wpath[0] == _T('\\') |
1722 | && wpath[1] != _T('\\'))) | |
69d33a1d | 1723 | return GetDriveType (NULL); |
57ecb969 | 1724 | |
1725 | UINT result = GetDriveType (wpath); | |
1726 | ||
1727 | /* Cannot guess the drive type, is this \\.\ ? */ | |
1728 | ||
1729 | if (result == DRIVE_NO_ROOT_DIR && | |
69d33a1d | 1730 | _tcslen (wpath) >= 4 && wpath[0] == _T('\\') && wpath[1] == _T('\\') |
1731 | && wpath[2] == _T('.') && wpath[3] == _T('\\')) | |
1732 | { | |
1733 | if (_tcslen (wpath) == 4) | |
1734 | _tcscat (wpath, wfilename); | |
57ecb969 | 1735 | |
69d33a1d | 1736 | LPTSTR p = &wpath[4]; |
1737 | LPTSTR b = _tcschr (p, _T('\\')); | |
57ecb969 | 1738 | |
69d33a1d | 1739 | if (b != NULL) |
24d7b9d6 | 1740 | { |
1741 | /* logical drive \\.\c\dir\file */ | |
69d33a1d | 1742 | *b++ = _T(':'); |
1743 | *b++ = _T('\\'); | |
1744 | *b = _T('\0'); | |
1745 | } | |
1746 | else | |
1747 | _tcscat (p, _T(":\\")); | |
57ecb969 | 1748 | |
69d33a1d | 1749 | return GetDriveType (p); |
1750 | } | |
57ecb969 | 1751 | |
1752 | return result; | |
1753 | } | |
1754 | } | |
1755 | ||
24d7b9d6 | 1756 | /* This MingW section contains code to work with ACL. */ |
7db1ef17 | 1757 | static int |
24d7b9d6 | 1758 | __gnat_check_OWNER_ACL (TCHAR *wname, |
1759 | DWORD CheckAccessDesired, | |
1760 | GENERIC_MAPPING CheckGenericMapping) | |
7db1ef17 | 1761 | { |
7db1ef17 | 1762 | DWORD dwAccessDesired, dwAccessAllowed; |
1763 | PRIVILEGE_SET PrivilegeSet; | |
1764 | DWORD dwPrivSetSize = sizeof (PRIVILEGE_SET); | |
1765 | BOOL fAccessGranted = FALSE; | |
f060ec3a | 1766 | HANDLE hToken = NULL; |
1767 | DWORD nLength = 0; | |
c8a2d809 | 1768 | PSECURITY_DESCRIPTOR pSD = NULL; |
7db1ef17 | 1769 | |
7db1ef17 | 1770 | GetFileSecurity |
1771 | (wname, OWNER_SECURITY_INFORMATION | | |
1772 | GROUP_SECURITY_INFORMATION | DACL_SECURITY_INFORMATION, | |
1773 | NULL, 0, &nLength); | |
1774 | ||
2b2212d1 | 1775 | if ((pSD = (SECURITY_DESCRIPTOR *) HeapAlloc |
7db1ef17 | 1776 | (GetProcessHeap (), HEAP_ZERO_MEMORY, nLength)) == NULL) |
1777 | return 0; | |
1778 | ||
24d7b9d6 | 1779 | /* Obtain the security descriptor. */ |
7db1ef17 | 1780 | |
1781 | if (!GetFileSecurity | |
1782 | (wname, OWNER_SECURITY_INFORMATION | | |
1783 | GROUP_SECURITY_INFORMATION | DACL_SECURITY_INFORMATION, | |
1784 | pSD, nLength, &nLength)) | |
f060ec3a | 1785 | goto error; |
7db1ef17 | 1786 | |
1787 | if (!ImpersonateSelf (SecurityImpersonation)) | |
f060ec3a | 1788 | goto error; |
7db1ef17 | 1789 | |
1790 | if (!OpenThreadToken | |
1791 | (GetCurrentThread(), TOKEN_DUPLICATE | TOKEN_QUERY, FALSE, &hToken)) | |
f060ec3a | 1792 | goto error; |
7db1ef17 | 1793 | |
1794 | /* Undoes the effect of ImpersonateSelf. */ | |
1795 | ||
1796 | RevertToSelf (); | |
1797 | ||
1798 | /* We want to test for write permissions. */ | |
1799 | ||
1800 | dwAccessDesired = CheckAccessDesired; | |
1801 | ||
1802 | MapGenericMask (&dwAccessDesired, &CheckGenericMapping); | |
1803 | ||
1804 | if (!AccessCheck | |
1805 | (pSD , /* security descriptor to check */ | |
1806 | hToken, /* impersonation token */ | |
1807 | dwAccessDesired, /* requested access rights */ | |
1808 | &CheckGenericMapping, /* pointer to GENERIC_MAPPING */ | |
1809 | &PrivilegeSet, /* receives privileges used in check */ | |
1810 | &dwPrivSetSize, /* size of PrivilegeSet buffer */ | |
1811 | &dwAccessAllowed, /* receives mask of allowed access rights */ | |
1812 | &fAccessGranted)) | |
f060ec3a | 1813 | goto error; |
7db1ef17 | 1814 | |
f060ec3a | 1815 | CloseHandle (hToken); |
1816 | HeapFree (GetProcessHeap (), 0, pSD); | |
7db1ef17 | 1817 | return fAccessGranted; |
f060ec3a | 1818 | |
1819 | error: | |
1820 | if (hToken) | |
1821 | CloseHandle (hToken); | |
1822 | HeapFree (GetProcessHeap (), 0, pSD); | |
1823 | return 0; | |
7db1ef17 | 1824 | } |
1825 | ||
1826 | static void | |
24d7b9d6 | 1827 | __gnat_set_OWNER_ACL (TCHAR *wname, |
c8a2d809 | 1828 | ACCESS_MODE AccessMode, |
24d7b9d6 | 1829 | DWORD AccessPermissions) |
7db1ef17 | 1830 | { |
4c4697b8 | 1831 | PACL pOldDACL = NULL; |
1832 | PACL pNewDACL = NULL; | |
1833 | PSECURITY_DESCRIPTOR pSD = NULL; | |
7db1ef17 | 1834 | EXPLICIT_ACCESS ea; |
1835 | TCHAR username [100]; | |
1836 | DWORD unsize = 100; | |
1837 | ||
7db1ef17 | 1838 | /* Get current user, he will act as the owner */ |
1839 | ||
1840 | if (!GetUserName (username, &unsize)) | |
1841 | return; | |
1842 | ||
0b3929a6 | 1843 | if (GetNamedSecurityInfo |
1844 | (wname, | |
7db1ef17 | 1845 | SE_FILE_OBJECT, |
1846 | DACL_SECURITY_INFORMATION, | |
1847 | NULL, NULL, &pOldDACL, NULL, &pSD) != ERROR_SUCCESS) | |
1848 | return; | |
1849 | ||
0b3929a6 | 1850 | BuildExplicitAccessWithName |
2b2212d1 | 1851 | (&ea, username, AccessPermissions, (ACCESS_MODE) AccessMode, NO_INHERITANCE); |
7db1ef17 | 1852 | |
1853 | if (AccessMode == SET_ACCESS) | |
1854 | { | |
1855 | /* SET_ACCESS, we want to set an explicte set of permissions, do not | |
69d33a1d | 1856 | merge with current DACL. */ |
7db1ef17 | 1857 | if (SetEntriesInAcl (1, &ea, NULL, &pNewDACL) != ERROR_SUCCESS) |
69d33a1d | 1858 | return; |
7db1ef17 | 1859 | } |
1860 | else | |
1861 | if (SetEntriesInAcl (1, &ea, pOldDACL, &pNewDACL) != ERROR_SUCCESS) | |
1862 | return; | |
1863 | ||
0b3929a6 | 1864 | if (SetNamedSecurityInfo |
1865 | (wname, SE_FILE_OBJECT, | |
7db1ef17 | 1866 | DACL_SECURITY_INFORMATION, NULL, NULL, pNewDACL, NULL) != ERROR_SUCCESS) |
1867 | return; | |
1868 | ||
1869 | LocalFree (pSD); | |
1870 | LocalFree (pNewDACL); | |
7db1ef17 | 1871 | } |
57ecb969 | 1872 | |
1873 | /* Check if it is possible to use ACL for wname, the file must not be on a | |
1874 | network drive. */ | |
1875 | ||
1876 | static int | |
1877 | __gnat_can_use_acl (TCHAR *wname) | |
1878 | { | |
1879 | return __gnat_use_acl && GetDriveTypeFromPath (wname) != DRIVE_REMOTE; | |
1880 | } | |
1881 | ||
7db1ef17 | 1882 | #endif /* defined (_WIN32) && !defined (RTX) */ |
1883 | ||
1fac938e | 1884 | int |
5f93bcbf | 1885 | __gnat_is_readable_file_attr (char* name, struct file_attributes* attr) |
9dfe12ae | 1886 | { |
24d7b9d6 | 1887 | if (attr->readable == ATTR_UNSET) |
1888 | { | |
7db1ef17 | 1889 | #if defined (_WIN32) && !defined (RTX) |
24d7b9d6 | 1890 | TCHAR wname [GNAT_MAX_PATH_LEN + 2]; |
1891 | GENERIC_MAPPING GenericMapping; | |
3855c659 | 1892 | |
24d7b9d6 | 1893 | S2WSC (wname, name, GNAT_MAX_PATH_LEN + 2); |
7db1ef17 | 1894 | |
24d7b9d6 | 1895 | if (__gnat_can_use_acl (wname)) |
1896 | { | |
1897 | ZeroMemory (&GenericMapping, sizeof (GENERIC_MAPPING)); | |
1898 | GenericMapping.GenericRead = GENERIC_READ; | |
1899 | attr->readable = | |
1900 | __gnat_check_OWNER_ACL (wname, FILE_READ_DATA, GenericMapping); | |
1901 | } | |
1902 | else | |
1903 | attr->readable = GetFileAttributes (wname) != INVALID_FILE_ATTRIBUTES; | |
7db1ef17 | 1904 | #else |
24d7b9d6 | 1905 | __gnat_stat_to_attr (-1, name, attr); |
7db1ef17 | 1906 | #endif |
24d7b9d6 | 1907 | } |
5f93bcbf | 1908 | |
1909 | return attr->readable; | |
9dfe12ae | 1910 | } |
1911 | ||
1912 | int | |
5f93bcbf | 1913 | __gnat_is_readable_file (char *name) |
1914 | { | |
1915 | struct file_attributes attr; | |
24d7b9d6 | 1916 | |
d2697a05 | 1917 | __gnat_reset_attributes (&attr); |
5f93bcbf | 1918 | return __gnat_is_readable_file_attr (name, &attr); |
1919 | } | |
1920 | ||
1921 | int | |
1922 | __gnat_is_writable_file_attr (char* name, struct file_attributes* attr) | |
1fac938e | 1923 | { |
24d7b9d6 | 1924 | if (attr->writable == ATTR_UNSET) |
1925 | { | |
7db1ef17 | 1926 | #if defined (_WIN32) && !defined (RTX) |
24d7b9d6 | 1927 | TCHAR wname [GNAT_MAX_PATH_LEN + 2]; |
1928 | GENERIC_MAPPING GenericMapping; | |
3855c659 | 1929 | |
24d7b9d6 | 1930 | S2WSC (wname, name, GNAT_MAX_PATH_LEN + 2); |
3855c659 | 1931 | |
24d7b9d6 | 1932 | if (__gnat_can_use_acl (wname)) |
1933 | { | |
1934 | ZeroMemory (&GenericMapping, sizeof (GENERIC_MAPPING)); | |
1935 | GenericMapping.GenericWrite = GENERIC_WRITE; | |
2726b813 | 1936 | |
24d7b9d6 | 1937 | attr->writable = __gnat_check_OWNER_ACL |
5f93bcbf | 1938 | (wname, FILE_WRITE_DATA | FILE_APPEND_DATA, GenericMapping) |
1939 | && !(GetFileAttributes (wname) & FILE_ATTRIBUTE_READONLY); | |
24d7b9d6 | 1940 | } |
1941 | else | |
1942 | attr->writable = | |
1943 | !(GetFileAttributes (wname) & FILE_ATTRIBUTE_READONLY); | |
7db1ef17 | 1944 | |
7db1ef17 | 1945 | #else |
24d7b9d6 | 1946 | __gnat_stat_to_attr (-1, name, attr); |
7db1ef17 | 1947 | #endif |
24d7b9d6 | 1948 | } |
5f93bcbf | 1949 | |
1950 | return attr->writable; | |
7db1ef17 | 1951 | } |
1952 | ||
1953 | int | |
5f93bcbf | 1954 | __gnat_is_writable_file (char *name) |
7db1ef17 | 1955 | { |
5f93bcbf | 1956 | struct file_attributes attr; |
24d7b9d6 | 1957 | |
d2697a05 | 1958 | __gnat_reset_attributes (&attr); |
5f93bcbf | 1959 | return __gnat_is_writable_file_attr (name, &attr); |
1960 | } | |
1961 | ||
1962 | int | |
1963 | __gnat_is_executable_file_attr (char* name, struct file_attributes* attr) | |
1964 | { | |
24d7b9d6 | 1965 | if (attr->executable == ATTR_UNSET) |
1966 | { | |
7db1ef17 | 1967 | #if defined (_WIN32) && !defined (RTX) |
24d7b9d6 | 1968 | TCHAR wname [GNAT_MAX_PATH_LEN + 2]; |
1969 | GENERIC_MAPPING GenericMapping; | |
3855c659 | 1970 | |
24d7b9d6 | 1971 | S2WSC (wname, name, GNAT_MAX_PATH_LEN + 2); |
3855c659 | 1972 | |
24d7b9d6 | 1973 | if (__gnat_can_use_acl (wname)) |
1974 | { | |
1975 | ZeroMemory (&GenericMapping, sizeof (GENERIC_MAPPING)); | |
1976 | GenericMapping.GenericExecute = GENERIC_EXECUTE; | |
2726b813 | 1977 | |
24d7b9d6 | 1978 | attr->executable = |
1979 | __gnat_check_OWNER_ACL (wname, FILE_EXECUTE, GenericMapping); | |
1980 | } | |
1981 | else | |
1982 | { | |
1983 | TCHAR *l, *last = _tcsstr(wname, _T(".exe")); | |
278c67dc | 1984 | |
24d7b9d6 | 1985 | /* look for last .exe */ |
1986 | if (last) | |
1987 | while ((l = _tcsstr(last+1, _T(".exe")))) | |
1988 | last = l; | |
278c67dc | 1989 | |
24d7b9d6 | 1990 | attr->executable = |
1991 | GetFileAttributes (wname) != INVALID_FILE_ATTRIBUTES | |
1992 | && (last - wname) == (int) (_tcslen (wname) - 4); | |
1993 | } | |
7db1ef17 | 1994 | #else |
24d7b9d6 | 1995 | __gnat_stat_to_attr (-1, name, attr); |
7db1ef17 | 1996 | #endif |
24d7b9d6 | 1997 | } |
5f93bcbf | 1998 | |
a5109493 | 1999 | return attr->regular && attr->executable; |
5f93bcbf | 2000 | } |
2001 | ||
2002 | int | |
2003 | __gnat_is_executable_file (char *name) | |
2004 | { | |
2005 | struct file_attributes attr; | |
24d7b9d6 | 2006 | |
d2697a05 | 2007 | __gnat_reset_attributes (&attr); |
5f93bcbf | 2008 | return __gnat_is_executable_file_attr (name, &attr); |
1fac938e | 2009 | } |
2010 | ||
9dfe12ae | 2011 | void |
2012 | __gnat_set_writable (char *name) | |
2013 | { | |
7db1ef17 | 2014 | #if defined (_WIN32) && !defined (RTX) |
3855c659 | 2015 | TCHAR wname [GNAT_MAX_PATH_LEN + 2]; |
2016 | ||
f60cc57d | 2017 | S2WSC (wname, name, GNAT_MAX_PATH_LEN + 2); |
3855c659 | 2018 | |
57ecb969 | 2019 | if (__gnat_can_use_acl (wname)) |
2726b813 | 2020 | __gnat_set_OWNER_ACL (wname, GRANT_ACCESS, FILE_GENERIC_WRITE); |
2021 | ||
3855c659 | 2022 | SetFileAttributes |
2023 | (wname, GetFileAttributes (wname) & ~FILE_ATTRIBUTE_READONLY); | |
b07bcda8 | 2024 | #elif ! (defined (__vxworks) && _WRS_VXWORKS_MAJOR < 6) && \ |
2025 | ! defined(__nucleus__) | |
8cb516d7 | 2026 | GNAT_STRUCT_STAT statbuf; |
9dfe12ae | 2027 | |
8cb516d7 | 2028 | if (GNAT_STAT (name, &statbuf) == 0) |
0e9e8338 | 2029 | { |
2030 | statbuf.st_mode = statbuf.st_mode | S_IWUSR; | |
2031 | chmod (name, statbuf.st_mode); | |
2032 | } | |
9dfe12ae | 2033 | #endif |
2034 | } | |
2035 | ||
c1efebf9 | 2036 | /* must match definition in s-os_lib.ads */ |
2037 | #define S_OWNER 1 | |
2038 | #define S_GROUP 2 | |
2039 | #define S_OTHERS 4 | |
2040 | ||
5329ca64 | 2041 | void |
c8a2d809 | 2042 | __gnat_set_executable (char *name, int mode ATTRIBUTE_UNUSED) |
5329ca64 | 2043 | { |
7db1ef17 | 2044 | #if defined (_WIN32) && !defined (RTX) |
3855c659 | 2045 | TCHAR wname [GNAT_MAX_PATH_LEN + 2]; |
2046 | ||
57ecb969 | 2047 | S2WSC (wname, name, GNAT_MAX_PATH_LEN + 2); |
2048 | ||
2049 | if (__gnat_can_use_acl (wname)) | |
2050 | __gnat_set_OWNER_ACL (wname, GRANT_ACCESS, FILE_GENERIC_EXECUTE); | |
3855c659 | 2051 | |
b07bcda8 | 2052 | #elif ! (defined (__vxworks) && _WRS_VXWORKS_MAJOR < 6) && \ |
2053 | ! defined(__nucleus__) | |
8cb516d7 | 2054 | GNAT_STRUCT_STAT statbuf; |
5329ca64 | 2055 | |
8cb516d7 | 2056 | if (GNAT_STAT (name, &statbuf) == 0) |
0e9e8338 | 2057 | { |
c1efebf9 | 2058 | if (mode & S_OWNER) |
2059 | statbuf.st_mode = statbuf.st_mode | S_IXUSR; | |
2060 | if (mode & S_GROUP) | |
2061 | statbuf.st_mode = statbuf.st_mode | S_IXGRP; | |
2062 | if (mode & S_OTHERS) | |
2063 | statbuf.st_mode = statbuf.st_mode | S_IXOTH; | |
0e9e8338 | 2064 | chmod (name, statbuf.st_mode); |
2065 | } | |
5329ca64 | 2066 | #endif |
2067 | } | |
2068 | ||
9dfe12ae | 2069 | void |
2ab009c7 | 2070 | __gnat_set_non_writable (char *name) |
9dfe12ae | 2071 | { |
7db1ef17 | 2072 | #if defined (_WIN32) && !defined (RTX) |
3855c659 | 2073 | TCHAR wname [GNAT_MAX_PATH_LEN + 2]; |
2074 | ||
f60cc57d | 2075 | S2WSC (wname, name, GNAT_MAX_PATH_LEN + 2); |
3855c659 | 2076 | |
57ecb969 | 2077 | if (__gnat_can_use_acl (wname)) |
2726b813 | 2078 | __gnat_set_OWNER_ACL |
2079 | (wname, DENY_ACCESS, | |
2080 | FILE_WRITE_DATA | FILE_APPEND_DATA | | |
2081 | FILE_WRITE_EA | FILE_WRITE_ATTRIBUTES); | |
2082 | ||
3855c659 | 2083 | SetFileAttributes |
2084 | (wname, GetFileAttributes (wname) | FILE_ATTRIBUTE_READONLY); | |
b07bcda8 | 2085 | #elif ! (defined (__vxworks) && _WRS_VXWORKS_MAJOR < 6) && \ |
2086 | ! defined(__nucleus__) | |
8cb516d7 | 2087 | GNAT_STRUCT_STAT statbuf; |
9dfe12ae | 2088 | |
8cb516d7 | 2089 | if (GNAT_STAT (name, &statbuf) == 0) |
0b3929a6 | 2090 | { |
2091 | statbuf.st_mode = statbuf.st_mode & 07577; | |
2092 | chmod (name, statbuf.st_mode); | |
2093 | } | |
2094 | #endif | |
2095 | } | |
2096 | ||
2097 | void | |
2098 | __gnat_set_readable (char *name) | |
2099 | { | |
2100 | #if defined (_WIN32) && !defined (RTX) | |
2101 | TCHAR wname [GNAT_MAX_PATH_LEN + 2]; | |
2102 | ||
57ecb969 | 2103 | S2WSC (wname, name, GNAT_MAX_PATH_LEN + 2); |
2104 | ||
2105 | if (__gnat_can_use_acl (wname)) | |
2106 | __gnat_set_OWNER_ACL (wname, GRANT_ACCESS, FILE_GENERIC_READ); | |
0b3929a6 | 2107 | |
b07bcda8 | 2108 | #elif ! (defined (__vxworks) && _WRS_VXWORKS_MAJOR < 6) && \ |
2109 | ! defined(__nucleus__) | |
8cb516d7 | 2110 | GNAT_STRUCT_STAT statbuf; |
0b3929a6 | 2111 | |
8cb516d7 | 2112 | if (GNAT_STAT (name, &statbuf) == 0) |
0b3929a6 | 2113 | { |
2114 | chmod (name, statbuf.st_mode | S_IREAD); | |
2115 | } | |
2116 | #endif | |
2117 | } | |
2118 | ||
2119 | void | |
2120 | __gnat_set_non_readable (char *name) | |
2121 | { | |
2122 | #if defined (_WIN32) && !defined (RTX) | |
2123 | TCHAR wname [GNAT_MAX_PATH_LEN + 2]; | |
2124 | ||
57ecb969 | 2125 | S2WSC (wname, name, GNAT_MAX_PATH_LEN + 2); |
2126 | ||
2127 | if (__gnat_can_use_acl (wname)) | |
2128 | __gnat_set_OWNER_ACL (wname, DENY_ACCESS, FILE_GENERIC_READ); | |
0b3929a6 | 2129 | |
b07bcda8 | 2130 | #elif ! (defined (__vxworks) && _WRS_VXWORKS_MAJOR < 6) && \ |
2131 | ! defined(__nucleus__) | |
8cb516d7 | 2132 | GNAT_STRUCT_STAT statbuf; |
0b3929a6 | 2133 | |
8cb516d7 | 2134 | if (GNAT_STAT (name, &statbuf) == 0) |
0b3929a6 | 2135 | { |
2136 | chmod (name, statbuf.st_mode & (~S_IREAD)); | |
2137 | } | |
9dfe12ae | 2138 | #endif |
2139 | } | |
2140 | ||
2141 | int | |
9b52e7a7 | 2142 | __gnat_is_symbolic_link_attr (char* name ATTRIBUTE_UNUSED, |
2143 | struct file_attributes* attr) | |
9dfe12ae | 2144 | { |
24d7b9d6 | 2145 | if (attr->symbolic_link == ATTR_UNSET) |
2146 | { | |
5091bc2f | 2147 | #if defined (__vxworks) || defined (__nucleus__) |
24d7b9d6 | 2148 | attr->symbolic_link = 0; |
9dfe12ae | 2149 | |
8e761191 | 2150 | #elif defined (_AIX) || defined (__APPLE__) || defined (__unix__) |
24d7b9d6 | 2151 | int ret; |
2152 | GNAT_STRUCT_STAT statbuf; | |
2153 | ret = GNAT_LSTAT (name, &statbuf); | |
2154 | attr->symbolic_link = (!ret && S_ISLNK (statbuf.st_mode)); | |
9dfe12ae | 2155 | #else |
24d7b9d6 | 2156 | attr->symbolic_link = 0; |
9dfe12ae | 2157 | #endif |
24d7b9d6 | 2158 | } |
5f93bcbf | 2159 | return attr->symbolic_link; |
2160 | } | |
2161 | ||
2162 | int | |
2163 | __gnat_is_symbolic_link (char *name ATTRIBUTE_UNUSED) | |
2164 | { | |
2165 | struct file_attributes attr; | |
24d7b9d6 | 2166 | |
d2697a05 | 2167 | __gnat_reset_attributes (&attr); |
5f93bcbf | 2168 | return __gnat_is_symbolic_link_attr (name, &attr); |
9dfe12ae | 2169 | } |
2170 | ||
1fac938e | 2171 | #if defined (sun) && defined (__SVR4) |
2172 | /* Using fork on Solaris will duplicate all the threads. fork1, which | |
2173 | duplicates only the active thread, must be used instead, or spawning | |
2174 | subprocess from a program with tasking will lead into numerous problems. */ | |
2175 | #define fork fork1 | |
2176 | #endif | |
2177 | ||
2178 | int | |
8cb1db0d | 2179 | __gnat_portable_spawn (char *args[] ATTRIBUTE_UNUSED) |
1fac938e | 2180 | { |
8cb1db0d | 2181 | int status ATTRIBUTE_UNUSED = 0; |
f0a28ccb | 2182 | int finished ATTRIBUTE_UNUSED; |
2183 | int pid ATTRIBUTE_UNUSED; | |
1fac938e | 2184 | |
8cb1db0d | 2185 | #if defined (__vxworks) || defined(__nucleus__) || defined(RTX) \ |
2186 | || defined(__PikeOS__) | |
e2a33c18 | 2187 | return -1; |
2188 | ||
30592778 | 2189 | #elif defined (_WIN32) |
f270dc82 | 2190 | /* args[0] must be quotes as it could contain a full pathname with spaces */ |
38750fcd | 2191 | char *args_0 = args[0]; |
f270dc82 | 2192 | args[0] = (char *)xmalloc (strlen (args_0) + 3); |
2193 | strcpy (args[0], "\""); | |
2194 | strcat (args[0], args_0); | |
2195 | strcat (args[0], "\""); | |
2196 | ||
c8a2d809 | 2197 | status = spawnvp (P_WAIT, args_0, (char ** const)args); |
f270dc82 | 2198 | |
2199 | /* restore previous value */ | |
2200 | free (args[0]); | |
8e761191 | 2201 | args[0] = (char *)args_0; |
f270dc82 | 2202 | |
1fac938e | 2203 | if (status < 0) |
f15731c4 | 2204 | return -1; |
1fac938e | 2205 | else |
2206 | return status; | |
2207 | ||
1fac938e | 2208 | #else |
2209 | ||
1fac938e | 2210 | pid = fork (); |
f15731c4 | 2211 | if (pid < 0) |
2212 | return -1; | |
1fac938e | 2213 | |
f15731c4 | 2214 | if (pid == 0) |
2215 | { | |
2216 | /* The child. */ | |
6d9c3443 | 2217 | if (execv (args[0], MAYBE_TO_PTR32 (args)) != 0) |
69d33a1d | 2218 | _exit (1); |
f15731c4 | 2219 | } |
1fac938e | 2220 | |
f15731c4 | 2221 | /* The parent. */ |
1fac938e | 2222 | finished = waitpid (pid, &status, 0); |
2223 | ||
2224 | if (finished != pid || WIFEXITED (status) == 0) | |
f15731c4 | 2225 | return -1; |
1fac938e | 2226 | |
2227 | return WEXITSTATUS (status); | |
2228 | #endif | |
f15731c4 | 2229 | |
1fac938e | 2230 | return 0; |
2231 | } | |
2232 | ||
8e761191 | 2233 | /* Create a copy of the given file descriptor. |
2234 | Return -1 if an error occurred. */ | |
2235 | ||
2236 | int | |
2237 | __gnat_dup (int oldfd) | |
2238 | { | |
8ffbc401 | 2239 | #if defined (__vxworks) && !defined (__RTP__) |
2240 | /* Not supported on VxWorks 5.x, but supported on VxWorks 6.0 when using | |
2241 | RTPs. */ | |
2242 | return -1; | |
8e761191 | 2243 | #else |
8ffbc401 | 2244 | return dup (oldfd); |
8e761191 | 2245 | #endif |
2246 | } | |
2247 | ||
2248 | /* Make newfd be the copy of oldfd, closing newfd first if necessary. | |
5e947a95 | 2249 | Return -1 if an error occurred. */ |
8e761191 | 2250 | |
2251 | int | |
8cb1db0d | 2252 | __gnat_dup2 (int oldfd ATTRIBUTE_UNUSED, int newfd ATTRIBUTE_UNUSED) |
8e761191 | 2253 | { |
8ffbc401 | 2254 | #if defined (__vxworks) && !defined (__RTP__) |
2255 | /* Not supported on VxWorks 5.x, but supported on VxWorks 6.0 when using | |
2256 | RTPs. */ | |
8e761191 | 2257 | return -1; |
8cb1db0d | 2258 | #elif defined (__PikeOS__) |
2259 | /* Not supported. */ | |
2260 | return -1; | |
00234530 | 2261 | #elif defined (_WIN32) |
2262 | /* Special case when oldfd and newfd are identical and are the standard | |
2263 | input, output or error as this makes Windows XP hangs. Note that we | |
2264 | do that only for standard file descriptors that are known to be valid. */ | |
2265 | if (oldfd == newfd && newfd >= 0 && newfd <= 2) | |
2266 | return newfd; | |
2267 | else | |
2268 | return dup2 (oldfd, newfd); | |
8e761191 | 2269 | #else |
2270 | return dup2 (oldfd, newfd); | |
2271 | #endif | |
2272 | } | |
2273 | ||
ed8e5b83 | 2274 | int |
2275 | __gnat_number_of_cpus (void) | |
2276 | { | |
2277 | int cores = 1; | |
2278 | ||
126b6848 | 2279 | #if defined (linux) || defined (sun) || defined (AIX) || defined (__APPLE__) |
f7479d84 | 2280 | cores = (int) sysconf (_SC_NPROCESSORS_ONLN); |
90bc406c | 2281 | |
90bc406c | 2282 | #elif defined (__hpux__) |
f7479d84 | 2283 | struct pst_dynamic psd; |
2284 | if (pstat_getdynamic (&psd, sizeof (psd), 1, 0) != -1) | |
2285 | cores = (int) psd.psd_proc_cnt; | |
90bc406c | 2286 | |
ee0d6223 | 2287 | #elif defined (_WIN32) |
2288 | SYSTEM_INFO sysinfo; | |
2289 | GetSystemInfo (&sysinfo); | |
2290 | cores = (int) sysinfo.dwNumberOfProcessors; | |
9b1d6aeb | 2291 | |
e423341f | 2292 | #elif defined (_WRS_CONFIG_SMP) |
0f4d3df5 | 2293 | unsigned int vxCpuConfiguredGet (void); |
2294 | ||
2295 | cores = vxCpuConfiguredGet (); | |
2296 | ||
ed8e5b83 | 2297 | #endif |
2298 | ||
2299 | return cores; | |
2300 | } | |
2301 | ||
f15731c4 | 2302 | /* WIN32 code to implement a wait call that wait for any child process. */ |
2303 | ||
e2a33c18 | 2304 | #if defined (_WIN32) && !defined (RTX) |
1fac938e | 2305 | |
2306 | /* Synchronization code, to be thread safe. */ | |
2307 | ||
51fa65dc | 2308 | #ifdef CERT |
1fac938e | 2309 | |
51fa65dc | 2310 | /* For the Cert run times on native Windows we use dummy functions |
2311 | for locking and unlocking tasks since we do not support multiple | |
2312 | threads on this configuration (Cert run time on native Windows). */ | |
1fac938e | 2313 | |
4bdd5344 | 2314 | static void EnterCS (void) {} |
2315 | static void LeaveCS (void) {} | |
2316 | static void SignalListChanged (void) {} | |
51fa65dc | 2317 | |
2318 | #else | |
2319 | ||
4bdd5344 | 2320 | CRITICAL_SECTION ProcListCS; |
2321 | HANDLE ProcListEvt; | |
2322 | ||
2323 | static void EnterCS (void) | |
2324 | { | |
2325 | EnterCriticalSection(&ProcListCS); | |
2326 | } | |
51fa65dc | 2327 | |
4bdd5344 | 2328 | static void LeaveCS (void) |
2329 | { | |
2330 | LeaveCriticalSection(&ProcListCS); | |
2331 | } | |
2332 | ||
2333 | static void SignalListChanged (void) | |
2334 | { | |
2335 | SetEvent (ProcListEvt); | |
2336 | } | |
51fa65dc | 2337 | |
2338 | #endif | |
1fac938e | 2339 | |
4c4697b8 | 2340 | static HANDLE *HANDLES_LIST = NULL; |
2341 | static int *PID_LIST = NULL, plist_length = 0, plist_max_length = 0; | |
1fac938e | 2342 | |
2343 | static void | |
14d22a3f | 2344 | add_handle (HANDLE h, int pid) |
1fac938e | 2345 | { |
1fac938e | 2346 | /* -------------------- critical section -------------------- */ |
4bdd5344 | 2347 | EnterCS(); |
51fa65dc | 2348 | |
4c4697b8 | 2349 | if (plist_length == plist_max_length) |
2350 | { | |
bb16a9f9 | 2351 | plist_max_length += 100; |
4c4697b8 | 2352 | HANDLES_LIST = |
c8a2d809 | 2353 | (HANDLE *) xrealloc (HANDLES_LIST, sizeof (HANDLE) * plist_max_length); |
4c4697b8 | 2354 | PID_LIST = |
2b2212d1 | 2355 | (int *) xrealloc (PID_LIST, sizeof (int) * plist_max_length); |
4c4697b8 | 2356 | } |
2357 | ||
2358 | HANDLES_LIST[plist_length] = h; | |
14d22a3f | 2359 | PID_LIST[plist_length] = pid; |
1fac938e | 2360 | ++plist_length; |
1fac938e | 2361 | |
4bdd5344 | 2362 | SignalListChanged(); |
2363 | LeaveCS(); | |
51fa65dc | 2364 | /* -------------------- critical section -------------------- */ |
1fac938e | 2365 | } |
2366 | ||
4bdd5344 | 2367 | int |
2368 | __gnat_win32_remove_handle (HANDLE h, int pid) | |
1fac938e | 2369 | { |
4c4697b8 | 2370 | int j; |
4bdd5344 | 2371 | int found = 0; |
2372 | ||
2373 | /* -------------------- critical section -------------------- */ | |
2374 | EnterCS(); | |
1fac938e | 2375 | |
4c4697b8 | 2376 | for (j = 0; j < plist_length; j++) |
1fac938e | 2377 | { |
4c4697b8 | 2378 | if ((HANDLES_LIST[j] == h) || (PID_LIST[j] == pid)) |
1fac938e | 2379 | { |
4c4697b8 | 2380 | CloseHandle (h); |
2381 | --plist_length; | |
2382 | HANDLES_LIST[j] = HANDLES_LIST[plist_length]; | |
2383 | PID_LIST[j] = PID_LIST[plist_length]; | |
4bdd5344 | 2384 | found = 1; |
1fac938e | 2385 | break; |
2386 | } | |
1fac938e | 2387 | } |
92c3bf26 | 2388 | |
4bdd5344 | 2389 | LeaveCS(); |
92c3bf26 | 2390 | /* -------------------- critical section -------------------- */ |
92c3bf26 | 2391 | |
4bdd5344 | 2392 | if (found) |
2393 | SignalListChanged(); | |
1fac938e | 2394 | |
4bdd5344 | 2395 | return found; |
1fac938e | 2396 | } |
2397 | ||
14d22a3f | 2398 | static void |
2399 | win32_no_block_spawn (char *command, char *args[], HANDLE *h, int *pid) | |
1fac938e | 2400 | { |
2401 | BOOL result; | |
2402 | STARTUPINFO SI; | |
2403 | PROCESS_INFORMATION PI; | |
2404 | SECURITY_ATTRIBUTES SA; | |
f15731c4 | 2405 | int csize = 1; |
2406 | char *full_command; | |
1fac938e | 2407 | int k; |
2408 | ||
f15731c4 | 2409 | /* compute the total command line length */ |
2410 | k = 0; | |
2411 | while (args[k]) | |
2412 | { | |
2413 | csize += strlen (args[k]) + 1; | |
2414 | k++; | |
2415 | } | |
2416 | ||
2417 | full_command = (char *) xmalloc (csize); | |
2418 | ||
1fac938e | 2419 | /* Startup info. */ |
2420 | SI.cb = sizeof (STARTUPINFO); | |
2421 | SI.lpReserved = NULL; | |
2422 | SI.lpReserved2 = NULL; | |
2423 | SI.lpDesktop = NULL; | |
2424 | SI.cbReserved2 = 0; | |
2425 | SI.lpTitle = NULL; | |
2426 | SI.dwFlags = 0; | |
2427 | SI.wShowWindow = SW_HIDE; | |
2428 | ||
2429 | /* Security attributes. */ | |
2430 | SA.nLength = sizeof (SECURITY_ATTRIBUTES); | |
2431 | SA.bInheritHandle = TRUE; | |
2432 | SA.lpSecurityDescriptor = NULL; | |
2433 | ||
2434 | /* Prepare the command string. */ | |
2435 | strcpy (full_command, command); | |
2436 | strcat (full_command, " "); | |
2437 | ||
2438 | k = 1; | |
2439 | while (args[k]) | |
2440 | { | |
2441 | strcat (full_command, args[k]); | |
2442 | strcat (full_command, " "); | |
2443 | k++; | |
2444 | } | |
2445 | ||
3b18b370 | 2446 | { |
2447 | int wsize = csize * 2; | |
2448 | TCHAR *wcommand = (TCHAR *) xmalloc (wsize); | |
2449 | ||
f60cc57d | 2450 | S2WSC (wcommand, full_command, wsize); |
3b18b370 | 2451 | |
2452 | free (full_command); | |
1fac938e | 2453 | |
3b18b370 | 2454 | result = CreateProcess |
2455 | (NULL, wcommand, &SA, NULL, TRUE, | |
2456 | GetPriorityClass (GetCurrentProcess()), NULL, NULL, &SI, &PI); | |
2457 | ||
2458 | free (wcommand); | |
2459 | } | |
f15731c4 | 2460 | |
1fac938e | 2461 | if (result == TRUE) |
2462 | { | |
1fac938e | 2463 | CloseHandle (PI.hThread); |
14d22a3f | 2464 | *h = PI.hProcess; |
2465 | *pid = PI.dwProcessId; | |
1fac938e | 2466 | } |
2467 | else | |
14d22a3f | 2468 | { |
2469 | *h = NULL; | |
2470 | *pid = 0; | |
2471 | } | |
1fac938e | 2472 | } |
2473 | ||
2474 | static int | |
9dfe12ae | 2475 | win32_wait (int *status) |
1fac938e | 2476 | { |
4c4697b8 | 2477 | DWORD exitcode, pid; |
1fac938e | 2478 | HANDLE *hl; |
2479 | HANDLE h; | |
4bdd5344 | 2480 | int *pidl; |
1fac938e | 2481 | DWORD res; |
e41b023d | 2482 | int hl_len; |
4bdd5344 | 2483 | int found; |
1fac938e | 2484 | |
4bdd5344 | 2485 | START_WAIT: |
92c3bf26 | 2486 | |
1fac938e | 2487 | if (plist_length == 0) |
2488 | { | |
2489 | errno = ECHILD; | |
2490 | return -1; | |
2491 | } | |
2492 | ||
4bdd5344 | 2493 | /* -------------------- critical section -------------------- */ |
2494 | EnterCS(); | |
2495 | ||
e41b023d | 2496 | hl_len = plist_length; |
2497 | ||
4bdd5344 | 2498 | #ifdef CERT |
e41b023d | 2499 | hl = (HANDLE *) xmalloc (sizeof (HANDLE) * hl_len); |
4c4697b8 | 2500 | memmove (hl, HANDLES_LIST, sizeof (HANDLE) * hl_len); |
4bdd5344 | 2501 | pidl = (int *) xmalloc (sizeof (int) * hl_len); |
2502 | memmove (pidl, PID_LIST, sizeof (int) * hl_len); | |
2503 | #else | |
2504 | /* Note that index 0 contains the event hanlde that is signaled when the | |
2505 | process list has changed */ | |
2506 | hl = (HANDLE *) xmalloc (sizeof (HANDLE) * hl_len + 1); | |
2507 | hl[0] = ProcListEvt; | |
2508 | memmove (&hl[1], HANDLES_LIST, sizeof (HANDLE) * hl_len); | |
2509 | pidl = (int *) xmalloc (sizeof (int) * hl_len + 1); | |
2510 | memmove (&pidl[1], PID_LIST, sizeof (int) * hl_len); | |
2511 | hl_len++; | |
2512 | #endif | |
2513 | ||
2514 | LeaveCS(); | |
2515 | /* -------------------- critical section -------------------- */ | |
1fac938e | 2516 | |
e41b023d | 2517 | res = WaitForMultipleObjects (hl_len, hl, FALSE, INFINITE); |
1fac938e | 2518 | |
4bdd5344 | 2519 | /* if the ProcListEvt has been signaled then the list of processes has been |
2520 | updated to add or remove a handle, just loop over */ | |
2521 | ||
2522 | if (res - WAIT_OBJECT_0 == 0) | |
2523 | { | |
2524 | free (hl); | |
2525 | free (pidl); | |
2526 | goto START_WAIT; | |
2527 | } | |
2528 | ||
2529 | h = hl[res - WAIT_OBJECT_0]; | |
1fac938e | 2530 | GetExitCodeProcess (h, &exitcode); |
4bdd5344 | 2531 | pid = pidl [res - WAIT_OBJECT_0]; |
2532 | ||
2533 | found = __gnat_win32_remove_handle (h, -1); | |
4c4697b8 | 2534 | |
2535 | free (hl); | |
4bdd5344 | 2536 | free (pidl); |
2537 | ||
2538 | /* if not found another process waiting has already handled this process */ | |
2539 | ||
2540 | if (!found) | |
2541 | { | |
2542 | goto START_WAIT; | |
2543 | } | |
1fac938e | 2544 | |
2545 | *status = (int) exitcode; | |
4c4697b8 | 2546 | return (int) pid; |
1fac938e | 2547 | } |
2548 | ||
2549 | #endif | |
2550 | ||
2551 | int | |
8cb1db0d | 2552 | __gnat_portable_no_block_spawn (char *args[] ATTRIBUTE_UNUSED) |
1fac938e | 2553 | { |
1fac938e | 2554 | |
8cb1db0d | 2555 | #if defined (__vxworks) || defined (__nucleus__) || defined (RTX) \ |
2556 | || defined (__PikeOS__) | |
2557 | /* Not supported. */ | |
e2a33c18 | 2558 | return -1; |
2559 | ||
1fac938e | 2560 | #elif defined (_WIN32) |
2561 | ||
4c4697b8 | 2562 | HANDLE h = NULL; |
14d22a3f | 2563 | int pid; |
4c4697b8 | 2564 | |
14d22a3f | 2565 | win32_no_block_spawn (args[0], args, &h, &pid); |
4c4697b8 | 2566 | if (h != NULL) |
5d56d161 | 2567 | { |
14d22a3f | 2568 | add_handle (h, pid); |
2569 | return pid; | |
5d56d161 | 2570 | } |
2571 | else | |
2572 | return -1; | |
1fac938e | 2573 | |
1fac938e | 2574 | #else |
4c4697b8 | 2575 | |
2576 | int pid = fork (); | |
1fac938e | 2577 | |
f15731c4 | 2578 | if (pid == 0) |
2579 | { | |
2580 | /* The child. */ | |
6d9c3443 | 2581 | if (execv (args[0], MAYBE_TO_PTR32 (args)) != 0) |
69d33a1d | 2582 | _exit (1); |
f15731c4 | 2583 | } |
2584 | ||
1fac938e | 2585 | return pid; |
4c4697b8 | 2586 | |
2587 | #endif | |
1fac938e | 2588 | } |
2589 | ||
2590 | int | |
9dfe12ae | 2591 | __gnat_portable_wait (int *process_status) |
1fac938e | 2592 | { |
2593 | int status = 0; | |
2594 | int pid = 0; | |
2595 | ||
8cb1db0d | 2596 | #if defined (__vxworks) || defined (__nucleus__) || defined (RTX) \ |
2597 | || defined (__PikeOS__) | |
30592778 | 2598 | /* Not sure what to do here, so do nothing but return zero. */ |
e2a33c18 | 2599 | |
2600 | #elif defined (_WIN32) | |
1fac938e | 2601 | |
2602 | pid = win32_wait (&status); | |
2603 | ||
1fac938e | 2604 | #else |
2605 | ||
1fac938e | 2606 | pid = waitpid (-1, &status, 0); |
1fac938e | 2607 | status = status & 0xffff; |
2608 | #endif | |
2609 | ||
2610 | *process_status = status; | |
2611 | return pid; | |
2612 | } | |
2613 | ||
2614 | void | |
9dfe12ae | 2615 | __gnat_os_exit (int status) |
1fac938e | 2616 | { |
1fac938e | 2617 | exit (status); |
1fac938e | 2618 | } |
2619 | ||
b860aaec | 2620 | /* Locate file on path, that matches a predicate */ |
1fac938e | 2621 | |
2622 | char * | |
24d7b9d6 | 2623 | __gnat_locate_file_with_predicate (char *file_name, char *path_val, |
2624 | int (*predicate)(char *)) | |
1fac938e | 2625 | { |
2626 | char *ptr; | |
5703e222 | 2627 | char *file_path = (char *) alloca (strlen (file_name) + 1); |
c69ba469 | 2628 | int absolute; |
2629 | ||
b51bcb1c | 2630 | /* Return immediately if file_name is empty */ |
2631 | ||
2632 | if (*file_name == '\0') | |
2633 | return 0; | |
2634 | ||
c69ba469 | 2635 | /* Remove quotes around file_name if present */ |
2636 | ||
2637 | ptr = file_name; | |
2638 | if (*ptr == '"') | |
2639 | ptr++; | |
2640 | ||
2641 | strcpy (file_path, ptr); | |
2642 | ||
2643 | ptr = file_path + strlen (file_path) - 1; | |
2644 | ||
2645 | if (*ptr == '"') | |
2646 | *ptr = '\0'; | |
1fac938e | 2647 | |
f15731c4 | 2648 | /* Handle absolute pathnames. */ |
c69ba469 | 2649 | |
2650 | absolute = __gnat_is_absolute_path (file_path, strlen (file_name)); | |
2651 | ||
9dfe12ae | 2652 | if (absolute) |
2653 | { | |
b860aaec | 2654 | if (predicate (file_path)) |
c69ba469 | 2655 | return xstrdup (file_path); |
9dfe12ae | 2656 | |
2657 | return 0; | |
2658 | } | |
2659 | ||
2660 | /* If file_name include directory separator(s), try it first as | |
2661 | a path name relative to the current directory */ | |
1fac938e | 2662 | for (ptr = file_name; *ptr && *ptr != '/' && *ptr != DIR_SEPARATOR; ptr++) |
2663 | ; | |
2664 | ||
9dfe12ae | 2665 | if (*ptr != 0) |
1fac938e | 2666 | { |
b860aaec | 2667 | if (predicate (file_name)) |
1fac938e | 2668 | return xstrdup (file_name); |
1fac938e | 2669 | } |
2670 | ||
2671 | if (path_val == 0) | |
2672 | return 0; | |
2673 | ||
2674 | { | |
2675 | /* The result has to be smaller than path_val + file_name. */ | |
d9c927cc | 2676 | char *file_path = |
2677 | (char *) alloca (strlen (path_val) + strlen (file_name) + 2); | |
1fac938e | 2678 | |
2679 | for (;;) | |
2680 | { | |
c69ba469 | 2681 | /* Skip the starting quote */ |
2682 | ||
2683 | if (*path_val == '"') | |
69d33a1d | 2684 | path_val++; |
c69ba469 | 2685 | |
1fac938e | 2686 | for (ptr = file_path; *path_val && *path_val != PATH_SEPARATOR; ) |
69d33a1d | 2687 | *ptr++ = *path_val++; |
1fac938e | 2688 | |
5c182b3b | 2689 | /* If directory is empty, it is the current directory*/ |
2690 | ||
2691 | if (ptr == file_path) | |
2692 | { | |
2693 | *ptr = '.'; | |
2694 | } | |
2695 | else | |
2696 | ptr--; | |
c69ba469 | 2697 | |
2698 | /* Skip the ending quote */ | |
2699 | ||
2700 | if (*ptr == '"') | |
69d33a1d | 2701 | ptr--; |
c69ba469 | 2702 | |
1fac938e | 2703 | if (*ptr != '/' && *ptr != DIR_SEPARATOR) |
2704 | *++ptr = DIR_SEPARATOR; | |
2705 | ||
2706 | strcpy (++ptr, file_name); | |
2707 | ||
b860aaec | 2708 | if (predicate (file_path)) |
1fac938e | 2709 | return xstrdup (file_path); |
5c182b3b | 2710 | |
2711 | if (*path_val == 0) | |
2712 | return 0; | |
2713 | ||
2714 | /* Skip path separator */ | |
2715 | ||
2716 | path_val++; | |
1fac938e | 2717 | } |
2718 | } | |
2719 | ||
2720 | return 0; | |
2721 | } | |
2722 | ||
b860aaec | 2723 | /* Locate an executable file, give a Path value. */ |
2724 | ||
2725 | char * | |
2726 | __gnat_locate_executable_file (char *file_name, char *path_val) | |
2727 | { | |
2728 | return __gnat_locate_file_with_predicate | |
2729 | (file_name, path_val, &__gnat_is_executable_file); | |
2730 | } | |
2731 | ||
2732 | /* Locate a regular file, give a Path value. */ | |
2733 | ||
2734 | char * | |
2735 | __gnat_locate_regular_file (char *file_name, char *path_val) | |
2736 | { | |
2737 | return __gnat_locate_file_with_predicate | |
2738 | (file_name, path_val, &__gnat_is_regular_file); | |
2739 | } | |
2740 | ||
1fac938e | 2741 | /* Locate an executable given a Path argument. This routine is only used by |
2742 | gnatbl and should not be used otherwise. Use locate_exec_on_path | |
f15731c4 | 2743 | instead. */ |
1fac938e | 2744 | |
2745 | char * | |
9dfe12ae | 2746 | __gnat_locate_exec (char *exec_name, char *path_val) |
1fac938e | 2747 | { |
fb31b465 | 2748 | char *ptr; |
1fac938e | 2749 | if (!strstr (exec_name, HOST_EXECUTABLE_SUFFIX)) |
2750 | { | |
d9c927cc | 2751 | char *full_exec_name = |
2752 | (char *) alloca | |
2753 | (strlen (exec_name) + strlen (HOST_EXECUTABLE_SUFFIX) + 1); | |
1fac938e | 2754 | |
2755 | strcpy (full_exec_name, exec_name); | |
2756 | strcat (full_exec_name, HOST_EXECUTABLE_SUFFIX); | |
b860aaec | 2757 | ptr = __gnat_locate_executable_file (full_exec_name, path_val); |
fb31b465 | 2758 | |
2759 | if (ptr == 0) | |
b860aaec | 2760 | return __gnat_locate_executable_file (exec_name, path_val); |
fb31b465 | 2761 | return ptr; |
1fac938e | 2762 | } |
2763 | else | |
b860aaec | 2764 | return __gnat_locate_executable_file (exec_name, path_val); |
1fac938e | 2765 | } |
2766 | ||
f15731c4 | 2767 | /* Locate an executable using the Systems default PATH. */ |
1fac938e | 2768 | |
2769 | char * | |
9dfe12ae | 2770 | __gnat_locate_exec_on_path (char *exec_name) |
1fac938e | 2771 | { |
9dfe12ae | 2772 | char *apath_val; |
3b18b370 | 2773 | |
e2a33c18 | 2774 | #if defined (_WIN32) && !defined (RTX) |
3b18b370 | 2775 | TCHAR *wpath_val = _tgetenv (_T("PATH")); |
2776 | TCHAR *wapath_val; | |
9dfe12ae | 2777 | /* In Win32 systems we expand the PATH as for XP environment |
c69ba469 | 2778 | variables are not automatically expanded. We also prepend the |
2779 | ".;" to the path to match normal NT path search semantics */ | |
9dfe12ae | 2780 | |
c69ba469 | 2781 | #define EXPAND_BUFFER_SIZE 32767 |
9dfe12ae | 2782 | |
2b2212d1 | 2783 | wapath_val = (TCHAR *) alloca (EXPAND_BUFFER_SIZE); |
c69ba469 | 2784 | |
3b18b370 | 2785 | wapath_val [0] = '.'; |
2786 | wapath_val [1] = ';'; | |
1fac938e | 2787 | |
c69ba469 | 2788 | DWORD res = ExpandEnvironmentStrings |
3b18b370 | 2789 | (wpath_val, &wapath_val[2], EXPAND_BUFFER_SIZE - 2); |
2790 | ||
2791 | if (!res) wapath_val [0] = _T('\0'); | |
2792 | ||
2b2212d1 | 2793 | apath_val = (char *) alloca (EXPAND_BUFFER_SIZE); |
3b18b370 | 2794 | |
f60cc57d | 2795 | WS2SC (apath_val, wapath_val, EXPAND_BUFFER_SIZE); |
3b18b370 | 2796 | return __gnat_locate_exec (exec_name, apath_val); |
c69ba469 | 2797 | |
3b18b370 | 2798 | #else |
2799 | char *path_val = getenv ("PATH"); | |
3897a124 | 2800 | |
e2c62f37 | 2801 | if (path_val == NULL) return NULL; |
5703e222 | 2802 | apath_val = (char *) alloca (strlen (path_val) + 1); |
1fac938e | 2803 | strcpy (apath_val, path_val); |
2804 | return __gnat_locate_exec (exec_name, apath_val); | |
3b18b370 | 2805 | #endif |
1fac938e | 2806 | } |
2807 | ||
3897a124 | 2808 | /* Dummy functions for Osint import for non-VMS systems. |
2809 | ??? To be removed. */ | |
1fac938e | 2810 | |
2811 | int | |
24d7b9d6 | 2812 | __gnat_to_canonical_file_list_init (char *dirspec ATTRIBUTE_UNUSED, |
2813 | int onlydirs ATTRIBUTE_UNUSED) | |
1fac938e | 2814 | { |
2815 | return 0; | |
2816 | } | |
2817 | ||
2818 | char * | |
6f2c2693 | 2819 | __gnat_to_canonical_file_list_next (void) |
1fac938e | 2820 | { |
6b88f2fe | 2821 | static char empty[] = ""; |
4c4697b8 | 2822 | return empty; |
1fac938e | 2823 | } |
2824 | ||
2825 | void | |
6f2c2693 | 2826 | __gnat_to_canonical_file_list_free (void) |
1fac938e | 2827 | { |
2828 | } | |
2829 | ||
2830 | char * | |
9dfe12ae | 2831 | __gnat_to_canonical_dir_spec (char *dirspec, int prefixflag ATTRIBUTE_UNUSED) |
1fac938e | 2832 | { |
2833 | return dirspec; | |
2834 | } | |
2835 | ||
2836 | char * | |
9dfe12ae | 2837 | __gnat_to_canonical_file_spec (char *filespec) |
1fac938e | 2838 | { |
2839 | return filespec; | |
2840 | } | |
2841 | ||
2842 | char * | |
9dfe12ae | 2843 | __gnat_to_canonical_path_spec (char *pathspec) |
1fac938e | 2844 | { |
2845 | return pathspec; | |
2846 | } | |
2847 | ||
2848 | char * | |
9dfe12ae | 2849 | __gnat_to_host_dir_spec (char *dirspec, int prefixflag ATTRIBUTE_UNUSED) |
1fac938e | 2850 | { |
2851 | return dirspec; | |
2852 | } | |
2853 | ||
2854 | char * | |
9dfe12ae | 2855 | __gnat_to_host_file_spec (char *filespec) |
1fac938e | 2856 | { |
2857 | return filespec; | |
2858 | } | |
2859 | ||
2860 | void | |
6f2c2693 | 2861 | __gnat_adjust_os_resource_limits (void) |
1fac938e | 2862 | { |
2863 | } | |
2864 | ||
1fac938e | 2865 | #if defined (__mips_vxworks) |
9dfe12ae | 2866 | int |
24d7b9d6 | 2867 | _flush_cache (void) |
1fac938e | 2868 | { |
2869 | CACHE_USER_FLUSH (0, ENTIRE_CACHE); | |
2870 | } | |
2871 | #endif | |
2872 | ||
f15731c4 | 2873 | #if defined (_WIN32) |
2874 | int __gnat_argument_needs_quote = 1; | |
2875 | #else | |
2876 | int __gnat_argument_needs_quote = 0; | |
2877 | #endif | |
9dfe12ae | 2878 | |
2879 | /* This option is used to enable/disable object files handling from the | |
2880 | binder file by the GNAT Project module. For example, this is disabled on | |
e0f42093 | 2881 | Windows (prior to GCC 3.4) as it is already done by the mdll module. |
2882 | Stating with GCC 3.4 the shared libraries are not based on mdll | |
2883 | anymore as it uses the GCC's -shared option */ | |
2884 | #if defined (_WIN32) \ | |
2885 | && ((__GNUC__ < 3) || ((__GNUC__ == 3) && (__GNUC_MINOR__ < 4))) | |
9dfe12ae | 2886 | int __gnat_prj_add_obj_files = 0; |
2887 | #else | |
2888 | int __gnat_prj_add_obj_files = 1; | |
2889 | #endif | |
2890 | ||
2891 | /* char used as prefix/suffix for environment variables */ | |
2892 | #if defined (_WIN32) | |
2893 | char __gnat_environment_char = '%'; | |
2894 | #else | |
2895 | char __gnat_environment_char = '$'; | |
2896 | #endif | |
2897 | ||
2898 | /* This functions copy the file attributes from a source file to a | |
2899 | destination file. | |
2900 | ||
2901 | mode = 0 : In this mode copy only the file time stamps (last access and | |
2902 | last modification time stamps). | |
2903 | ||
2904 | mode = 1 : In this mode, time stamps and read/write/execute attributes are | |
2905 | copied. | |
2906 | ||
2907 | Returns 0 if operation was successful and -1 in case of error. */ | |
2908 | ||
2909 | int | |
75f7f24d | 2910 | __gnat_copy_attribs (char *from ATTRIBUTE_UNUSED, char *to ATTRIBUTE_UNUSED, |
2911 | int mode ATTRIBUTE_UNUSED) | |
9dfe12ae | 2912 | { |
3897a124 | 2913 | #if (defined (__vxworks) && _WRS_VXWORKS_MAJOR < 6) || \ |
b07bcda8 | 2914 | defined (__nucleus__) |
9dfe12ae | 2915 | return -1; |
6a85c251 | 2916 | |
2917 | #elif defined (_WIN32) && !defined (RTX) | |
2918 | TCHAR wfrom [GNAT_MAX_PATH_LEN + 2]; | |
2919 | TCHAR wto [GNAT_MAX_PATH_LEN + 2]; | |
2920 | BOOL res; | |
2921 | FILETIME fct, flat, flwt; | |
2922 | HANDLE hfrom, hto; | |
2923 | ||
2924 | S2WSC (wfrom, from, GNAT_MAX_PATH_LEN + 2); | |
2925 | S2WSC (wto, to, GNAT_MAX_PATH_LEN + 2); | |
2926 | ||
2927 | /* retrieve from times */ | |
2928 | ||
2929 | hfrom = CreateFile | |
2930 | (wfrom, GENERIC_READ, 0, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL); | |
2931 | ||
2932 | if (hfrom == INVALID_HANDLE_VALUE) | |
2933 | return -1; | |
2934 | ||
2935 | res = GetFileTime (hfrom, &fct, &flat, &flwt); | |
2936 | ||
2937 | CloseHandle (hfrom); | |
2938 | ||
2939 | if (res == 0) | |
2940 | return -1; | |
2941 | ||
2942 | /* retrieve from times */ | |
2943 | ||
2944 | hto = CreateFile | |
2945 | (wto, GENERIC_WRITE, 0, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL); | |
2946 | ||
2947 | if (hto == INVALID_HANDLE_VALUE) | |
2948 | return -1; | |
2949 | ||
2950 | res = SetFileTime (hto, NULL, &flat, &flwt); | |
2951 | ||
2952 | CloseHandle (hto); | |
2953 | ||
2954 | if (res == 0) | |
2955 | return -1; | |
2956 | ||
2957 | /* Set file attributes in full mode. */ | |
2958 | ||
2959 | if (mode == 1) | |
2960 | { | |
2961 | DWORD attribs = GetFileAttributes (wfrom); | |
2962 | ||
2963 | if (attribs == INVALID_FILE_ATTRIBUTES) | |
2964 | return -1; | |
2965 | ||
2966 | res = SetFileAttributes (wto, attribs); | |
2967 | if (res == 0) | |
2968 | return -1; | |
2969 | } | |
2970 | ||
2971 | return 0; | |
2972 | ||
9dfe12ae | 2973 | #else |
8cb516d7 | 2974 | GNAT_STRUCT_STAT fbuf; |
9dfe12ae | 2975 | struct utimbuf tbuf; |
2976 | ||
8cb516d7 | 2977 | if (GNAT_STAT (from, &fbuf) == -1) |
9dfe12ae | 2978 | { |
2979 | return -1; | |
2980 | } | |
2981 | ||
2982 | tbuf.actime = fbuf.st_atime; | |
2983 | tbuf.modtime = fbuf.st_mtime; | |
2984 | ||
2985 | if (utime (to, &tbuf) == -1) | |
2986 | { | |
2987 | return -1; | |
2988 | } | |
2989 | ||
2990 | if (mode == 1) | |
2991 | { | |
2992 | if (chmod (to, fbuf.st_mode) == -1) | |
2993 | { | |
2994 | return -1; | |
2995 | } | |
2996 | } | |
2997 | ||
2998 | return 0; | |
2999 | #endif | |
3000 | } | |
3001 | ||
cf6d853e | 3002 | int |
3003 | __gnat_lseek (int fd, long offset, int whence) | |
3004 | { | |
3005 | return (int) lseek (fd, offset, whence); | |
3006 | } | |
0914a918 | 3007 | |
e2c62f37 | 3008 | /* This function returns the major version number of GCC being used. */ |
0914a918 | 3009 | int |
3010 | get_gcc_version (void) | |
3011 | { | |
e2c62f37 | 3012 | #ifdef IN_RTS |
3013 | return __GNUC__; | |
3014 | #else | |
3015 | return (int) (version_string[0] - '0'); | |
3016 | #endif | |
0914a918 | 3017 | } |
6d9c3443 | 3018 | |
b21edad9 | 3019 | /* |
3020 | * Set Close_On_Exec as indicated. | |
3021 | * Note: this is used for both GNAT.OS_Lib and GNAT.Sockets. | |
3022 | */ | |
3023 | ||
6d9c3443 | 3024 | int |
de10c095 | 3025 | __gnat_set_close_on_exec (int fd ATTRIBUTE_UNUSED, |
0e9e8338 | 3026 | int close_on_exec_p ATTRIBUTE_UNUSED) |
6d9c3443 | 3027 | { |
3028 | #if defined (F_GETFD) && defined (FD_CLOEXEC) && ! defined (__vxworks) | |
3029 | int flags = fcntl (fd, F_GETFD, 0); | |
3030 | if (flags < 0) | |
3031 | return flags; | |
3032 | if (close_on_exec_p) | |
3033 | flags |= FD_CLOEXEC; | |
3034 | else | |
3035 | flags &= ~FD_CLOEXEC; | |
6fdfe796 | 3036 | return fcntl (fd, F_SETFD, flags); |
07f34887 | 3037 | #elif defined(_WIN32) |
3038 | HANDLE h = (HANDLE) _get_osfhandle (fd); | |
3039 | if (h == (HANDLE) -1) | |
3040 | return -1; | |
3041 | if (close_on_exec_p) | |
3042 | return ! SetHandleInformation (h, HANDLE_FLAG_INHERIT, 0); | |
bcf0a1b1 | 3043 | return ! SetHandleInformation (h, HANDLE_FLAG_INHERIT, |
07f34887 | 3044 | HANDLE_FLAG_INHERIT); |
6d9c3443 | 3045 | #else |
07f34887 | 3046 | /* TODO: Unimplemented. */ |
6d9c3443 | 3047 | return -1; |
6d9c3443 | 3048 | #endif |
3049 | } | |
fb31b465 | 3050 | |
3051 | /* Indicates if platforms supports automatic initialization through the | |
3052 | constructor mechanism */ | |
3053 | int | |
c88e6a4f | 3054 | __gnat_binder_supports_auto_init (void) |
fb31b465 | 3055 | { |
3897a124 | 3056 | return 1; |
fb31b465 | 3057 | } |
3058 | ||
3059 | /* Indicates that Stand-Alone Libraries are automatically initialized through | |
3060 | the constructor mechanism */ | |
3061 | int | |
c88e6a4f | 3062 | __gnat_sals_init_using_constructors (void) |
fb31b465 | 3063 | { |
3897a124 | 3064 | #if defined (__vxworks) || defined (__Lynx__) |
fb31b465 | 3065 | return 0; |
3066 | #else | |
3067 | return 1; | |
3068 | #endif | |
3069 | } | |
e2a33c18 | 3070 | |
8e726ab4 | 3071 | #ifdef RTX |
3072 | ||
e2a33c18 | 3073 | /* In RTX mode, the procedure to get the time (as file time) is different |
3074 | in RTSS mode and Win32 mode. In order to avoid duplicating an Ada file, | |
3075 | we introduce an intermediate procedure to link against the corresponding | |
3076 | one in each situation. */ | |
8e726ab4 | 3077 | |
24d7b9d6 | 3078 | extern void GetTimeAsFileTime (LPFILETIME pTime); |
e2a33c18 | 3079 | |
24d7b9d6 | 3080 | void GetTimeAsFileTime (LPFILETIME pTime) |
e2a33c18 | 3081 | { |
3082 | #ifdef RTSS | |
3083 | RtGetRtssTimeAsFileTime (pTime); /* RTSS interface */ | |
3084 | #else | |
3085 | GetSystemTimeAsFileTime (pTime); /* w32 interface */ | |
3086 | #endif | |
3087 | } | |
8e726ab4 | 3088 | |
3089 | #ifdef RTSS | |
3090 | /* Add symbol that is required to link. It would otherwise be taken from | |
3091 | libgcc.a and it would try to use the gcc constructors that are not | |
3092 | supported by Microsoft linker. */ | |
3093 | ||
3094 | extern void __main (void); | |
3095 | ||
24d7b9d6 | 3096 | void __main (void) |
3097 | { | |
3098 | } | |
89da8724 | 3099 | #endif /* RTSS */ |
3100 | #endif /* RTX */ | |
e2a33c18 | 3101 | |
b261877a | 3102 | #if defined (__ANDROID__) |
3103 | ||
3104 | #include <pthread.h> | |
3105 | ||
24d7b9d6 | 3106 | void * |
3107 | __gnat_lwp_self (void) | |
b261877a | 3108 | { |
3109 | return (void *) pthread_self (); | |
3110 | } | |
3111 | ||
3112 | #elif defined (linux) | |
a0d9619f | 3113 | /* There is no function in the glibc to retrieve the LWP of the current |
3114 | thread. We need to do a system call in order to retrieve this | |
3115 | information. */ | |
3116 | #include <sys/syscall.h> | |
24d7b9d6 | 3117 | void * |
3118 | __gnat_lwp_self (void) | |
12e8797f | 3119 | { |
a0d9619f | 3120 | return (void *) syscall (__NR_gettid); |
3121 | } | |
40d4441d | 3122 | |
3123 | #include <sched.h> | |
3124 | ||
38846e90 | 3125 | /* glibc versions earlier than 2.7 do not define the routines to handle |
3126 | dynamically allocated CPU sets. For these targets, we use the static | |
3127 | versions. */ | |
3128 | ||
3129 | #ifdef CPU_ALLOC | |
3130 | ||
3131 | /* Dynamic cpu sets */ | |
3132 | ||
24d7b9d6 | 3133 | cpu_set_t * |
3134 | __gnat_cpu_alloc (size_t count) | |
40d4441d | 3135 | { |
91965b95 | 3136 | return CPU_ALLOC (count); |
40d4441d | 3137 | } |
3138 | ||
24d7b9d6 | 3139 | size_t |
3140 | __gnat_cpu_alloc_size (size_t count) | |
91965b95 | 3141 | { |
3142 | return CPU_ALLOC_SIZE (count); | |
3143 | } | |
3144 | ||
24d7b9d6 | 3145 | void |
3146 | __gnat_cpu_free (cpu_set_t *set) | |
91965b95 | 3147 | { |
3148 | CPU_FREE (set); | |
3149 | } | |
3150 | ||
24d7b9d6 | 3151 | void |
3152 | __gnat_cpu_zero (size_t count, cpu_set_t *set) | |
91965b95 | 3153 | { |
3154 | CPU_ZERO_S (count, set); | |
3155 | } | |
3156 | ||
24d7b9d6 | 3157 | void |
3158 | __gnat_cpu_set (int cpu, size_t count, cpu_set_t *set) | |
40d4441d | 3159 | { |
3160 | /* Ada handles CPU numbers starting from 1, while C identifies the first | |
3161 | CPU by a 0, so we need to adjust. */ | |
91965b95 | 3162 | CPU_SET_S (cpu - 1, count, set); |
40d4441d | 3163 | } |
38846e90 | 3164 | |
89da8724 | 3165 | #else /* !CPU_ALLOC */ |
38846e90 | 3166 | |
3167 | /* Static cpu sets */ | |
3168 | ||
24d7b9d6 | 3169 | cpu_set_t * |
3170 | __gnat_cpu_alloc (size_t count ATTRIBUTE_UNUSED) | |
38846e90 | 3171 | { |
3172 | return (cpu_set_t *) xmalloc (sizeof (cpu_set_t)); | |
3173 | } | |
3174 | ||
24d7b9d6 | 3175 | size_t |
3176 | __gnat_cpu_alloc_size (size_t count ATTRIBUTE_UNUSED) | |
38846e90 | 3177 | { |
3178 | return sizeof (cpu_set_t); | |
3179 | } | |
3180 | ||
24d7b9d6 | 3181 | void |
3182 | __gnat_cpu_free (cpu_set_t *set) | |
38846e90 | 3183 | { |
3184 | free (set); | |
3185 | } | |
3186 | ||
24d7b9d6 | 3187 | void |
3188 | __gnat_cpu_zero (size_t count ATTRIBUTE_UNUSED, cpu_set_t *set) | |
38846e90 | 3189 | { |
3190 | CPU_ZERO (set); | |
3191 | } | |
3192 | ||
24d7b9d6 | 3193 | void |
3194 | __gnat_cpu_set (int cpu, size_t count ATTRIBUTE_UNUSED, cpu_set_t *set) | |
38846e90 | 3195 | { |
3196 | /* Ada handles CPU numbers starting from 1, while C identifies the first | |
3197 | CPU by a 0, so we need to adjust. */ | |
3198 | CPU_SET (cpu - 1, set); | |
3199 | } | |
89da8724 | 3200 | #endif /* !CPU_ALLOC */ |
3201 | #endif /* linux */ | |
3202 | ||
3203 | /* Return the load address of the executable, or 0 if not known. In the | |
3204 | specific case of error, (void *)-1 can be returned. Beware: this unit may | |
3205 | be in a shared library. As low-level units are needed, we allow #include | |
3206 | here. */ | |
3207 | ||
3208 | #if defined (__APPLE__) | |
3209 | #include <mach-o/dyld.h> | |
7d6851fb | 3210 | #elif 0 && defined (__linux__) |
89da8724 | 3211 | #include <link.h> |
a0d9619f | 3212 | #endif |
89da8724 | 3213 | |
3214 | const void * | |
3215 | __gnat_get_executable_load_address (void) | |
3216 | { | |
3217 | #if defined (__APPLE__) | |
3218 | return _dyld_get_image_header (0); | |
3219 | ||
94e053cd | 3220 | #elif 0 && defined (__linux__) |
3221 | /* Currently disabled as it needs at least -ldl. */ | |
89da8724 | 3222 | struct link_map *map = _r_debug.r_map; |
3223 | ||
3224 | return (const void *)map->l_addr; | |
3225 | ||
89da8724 | 3226 | #else |
3227 | return NULL; | |
63b63ca2 | 3228 | #endif |
89da8724 | 3229 | } |
becb63f5 | 3230 | |
3231 | #ifdef __cplusplus | |
3232 | } | |
3233 | #endif |