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f177a087 SK |
1 | /* Implementation of the STAT and FSTAT intrinsics. |
2 | Copyright (C) 2004 Free Software Foundation, Inc. | |
3 | Contributed by Steven G. Kargl <kargls@comcast.net>. | |
4 | ||
5 | This file is part of the GNU Fortran 95 runtime library (libgfortran). | |
6 | ||
7 | Libgfortran is free software; you can redistribute it and/or | |
8 | modify it under the terms of the GNU Lesser General Public | |
9 | License as published by the Free Software Foundation; either | |
10 | version 2.1 of the License, or (at your option) any later version. | |
11 | ||
12 | Libgfortran is distributed in the hope that it will be useful, | |
13 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | GNU Lesser General Public License for more details. | |
16 | ||
17 | You should have received a copy of the GNU Lesser General Public | |
18 | License along with libgfor; see the file COPYING.LIB. If not, | |
19 | write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, | |
20 | Boston, MA 02111-1307, USA. */ | |
21 | ||
22 | #include "config.h" | |
23 | #include "libgfortran.h" | |
24 | ||
25 | #ifdef HAVE_SYS_TYPES_H | |
26 | #include <sys/types.h> | |
27 | #endif | |
28 | ||
29 | #ifdef HAVE_SYS_STAT_H | |
30 | #include <sys/stat.h> | |
31 | #endif | |
32 | ||
33 | #ifdef HAVE_STDLIB_H | |
34 | #include <stdlib.h> | |
35 | #endif | |
36 | ||
37 | #ifdef HAVE_STRING_H | |
38 | #include <string.h> | |
39 | #endif | |
40 | ||
41 | #include <errno.h> | |
42 | ||
43 | #include "../io/io.h" | |
44 | ||
45 | /* SUBROUTINE STAT(FILE, SARRAY, STATUS) | |
46 | CHARACTER(len=*), INTENT(IN) :: FILE | |
47 | INTEGER, INTENT(OUT), :: SARRAY(13) | |
48 | INTEGER, INTENT(OUT), OPTIONAL :: STATUS | |
49 | ||
50 | FUNCTION STAT(FILE, SARRAY) | |
51 | INTEGER STAT | |
52 | CHARACTER(len=*), INTENT(IN) :: FILE | |
53 | INTEGER, INTENT(OUT), :: SARRAY(13) */ | |
54 | ||
7d7b8bfe RH |
55 | extern void stat_i4_sub (char *, gfc_array_i4 *, GFC_INTEGER_4 *, |
56 | gfc_charlen_type); | |
57 | iexport_proto(stat_i4_sub); | |
58 | ||
f177a087 | 59 | void |
7d7b8bfe RH |
60 | stat_i4_sub (char *name, gfc_array_i4 *sarray, GFC_INTEGER_4 *status, |
61 | gfc_charlen_type name_len) | |
f177a087 | 62 | { |
f177a087 SK |
63 | int val; |
64 | char *str; | |
65 | struct stat sb; | |
66 | ||
67 | index_type stride[GFC_MAX_DIMENSIONS - 1]; | |
68 | ||
69 | /* If the rank of the array is not 1, abort. */ | |
70 | if (GFC_DESCRIPTOR_RANK (sarray) != 1) | |
71 | runtime_error ("Array rank of SARRAY is not 1."); | |
72 | ||
73 | /* If the array is too small, abort. */ | |
74 | if (sarray->dim[0].ubound + 1 - sarray->dim[0].lbound < 13) | |
7d7b8bfe | 75 | runtime_error ("Array size of SARRAY is too small."); |
f177a087 SK |
76 | |
77 | if (sarray->dim[0].stride == 0) | |
7d7b8bfe | 78 | sarray->dim[0].stride = 1; |
f177a087 SK |
79 | |
80 | /* Trim trailing spaces from name. */ | |
81 | while (name_len > 0 && name[name_len - 1] == ' ') | |
82 | name_len--; | |
83 | ||
84 | /* Make a null terminated copy of the string. */ | |
85 | str = gfc_alloca (name_len + 1); | |
86 | memcpy (str, name, name_len); | |
87 | str[name_len] = '\0'; | |
88 | ||
89 | val = stat(str, &sb); | |
90 | ||
91 | if (val == 0) | |
92 | { | |
93 | /* Device ID */ | |
94 | sarray->data[0 * sarray->dim[0].stride] = sb.st_dev; | |
95 | ||
96 | /* Inode number */ | |
97 | sarray->data[1 * sarray->dim[0].stride] = sb.st_ino; | |
98 | ||
99 | /* File mode */ | |
100 | sarray->data[2 * sarray->dim[0].stride] = sb.st_mode; | |
101 | ||
102 | /* Number of (hard) links */ | |
103 | sarray->data[3 * sarray->dim[0].stride] = sb.st_nlink; | |
104 | ||
105 | /* Owner's uid */ | |
106 | sarray->data[4 * sarray->dim[0].stride] = sb.st_uid; | |
107 | ||
108 | /* Owner's gid */ | |
109 | sarray->data[5 * sarray->dim[0].stride] = sb.st_gid; | |
110 | ||
111 | /* ID of device containing directory entry for file (0 if not available) */ | |
112 | #if HAVE_STRUCT_STAT_ST_RDEV | |
113 | sarray->data[6 * sarray->dim[0].stride] = sb.st_rdev; | |
114 | #else | |
115 | sarray->data[6 * sarray->dim[0].stride] = 0; | |
116 | #endif | |
117 | ||
118 | /* File size (bytes) */ | |
119 | sarray->data[7 * sarray->dim[0].stride] = sb.st_size; | |
120 | ||
121 | /* Last access time */ | |
122 | sarray->data[8 * sarray->dim[0].stride] = sb.st_atime; | |
123 | ||
124 | /* Last modification time */ | |
125 | sarray->data[9 * sarray->dim[0].stride] = sb.st_mtime; | |
126 | ||
127 | /* Last file status change time */ | |
128 | sarray->data[10 * sarray->dim[0].stride] = sb.st_ctime; | |
129 | ||
130 | /* Preferred I/O block size (-1 if not available) */ | |
131 | #if HAVE_STRUCT_STAT_ST_BLKSIZE | |
132 | sarray->data[11 * sarray->dim[0].stride] = sb.st_blksize; | |
133 | #else | |
134 | sarray->data[11 * sarray->dim[0].stride] = -1; | |
135 | #endif | |
136 | ||
137 | /* Number of blocks allocated (-1 if not available) */ | |
138 | #if HAVE_STRUCT_STAT_ST_BLOCKS | |
139 | sarray->data[12 * sarray->dim[0].stride] = sb.st_blocks; | |
140 | #else | |
141 | sarray->data[12 * sarray->dim[0].stride] = -1; | |
142 | #endif | |
143 | } | |
144 | ||
145 | if (status != NULL) | |
146 | *status = (val == 0) ? 0 : errno; | |
147 | } | |
7d7b8bfe RH |
148 | iexport(stat_i4_sub); |
149 | ||
150 | extern void stat_i8_sub (char *, gfc_array_i8 *, GFC_INTEGER_8 *, | |
151 | gfc_charlen_type); | |
152 | iexport_proto(stat_i8_sub); | |
f177a087 SK |
153 | |
154 | void | |
7d7b8bfe RH |
155 | stat_i8_sub (char *name, gfc_array_i8 *sarray, GFC_INTEGER_8 *status, |
156 | gfc_charlen_type name_len) | |
f177a087 | 157 | { |
f177a087 SK |
158 | int val; |
159 | char *str; | |
160 | struct stat sb; | |
161 | ||
162 | index_type stride[GFC_MAX_DIMENSIONS - 1]; | |
163 | ||
164 | /* If the rank of the array is not 1, abort. */ | |
165 | if (GFC_DESCRIPTOR_RANK (sarray) != 1) | |
166 | runtime_error ("Array rank of SARRAY is not 1."); | |
167 | ||
168 | /* If the array is too small, abort. */ | |
169 | if (sarray->dim[0].ubound + 1 - sarray->dim[0].lbound < 13) | |
7d7b8bfe | 170 | runtime_error ("Array size of SARRAY is too small."); |
f177a087 SK |
171 | |
172 | if (sarray->dim[0].stride == 0) | |
7d7b8bfe | 173 | sarray->dim[0].stride = 1; |
f177a087 SK |
174 | |
175 | /* Trim trailing spaces from name. */ | |
176 | while (name_len > 0 && name[name_len - 1] == ' ') | |
177 | name_len--; | |
178 | ||
179 | /* Make a null terminated copy of the string. */ | |
180 | str = gfc_alloca (name_len + 1); | |
181 | memcpy (str, name, name_len); | |
182 | str[name_len] = '\0'; | |
183 | ||
184 | val = stat(str, &sb); | |
185 | ||
186 | if (val == 0) | |
187 | { | |
188 | /* Device ID */ | |
189 | sarray->data[0] = sb.st_dev; | |
190 | ||
191 | /* Inode number */ | |
192 | sarray->data[sarray->dim[0].stride] = sb.st_ino; | |
193 | ||
194 | /* File mode */ | |
195 | sarray->data[2 * sarray->dim[0].stride] = sb.st_mode; | |
196 | ||
197 | /* Number of (hard) links */ | |
198 | sarray->data[3 * sarray->dim[0].stride] = sb.st_nlink; | |
199 | ||
200 | /* Owner's uid */ | |
201 | sarray->data[4 * sarray->dim[0].stride] = sb.st_uid; | |
202 | ||
203 | /* Owner's gid */ | |
204 | sarray->data[5 * sarray->dim[0].stride] = sb.st_gid; | |
205 | ||
206 | /* ID of device containing directory entry for file (0 if not available) */ | |
207 | #if HAVE_STRUCT_STAT_ST_RDEV | |
208 | sarray->data[6 * sarray->dim[0].stride] = sb.st_rdev; | |
209 | #else | |
210 | sarray->data[6 * sarray->dim[0].stride] = 0; | |
211 | #endif | |
212 | ||
213 | /* File size (bytes) */ | |
214 | sarray->data[7 * sarray->dim[0].stride] = sb.st_size; | |
215 | ||
216 | /* Last access time */ | |
217 | sarray->data[8 * sarray->dim[0].stride] = sb.st_atime; | |
218 | ||
219 | /* Last modification time */ | |
220 | sarray->data[9 * sarray->dim[0].stride] = sb.st_mtime; | |
221 | ||
222 | /* Last file status change time */ | |
223 | sarray->data[10 * sarray->dim[0].stride] = sb.st_ctime; | |
224 | ||
225 | /* Preferred I/O block size (-1 if not available) */ | |
226 | #if HAVE_STRUCT_STAT_ST_BLKSIZE | |
227 | sarray->data[11 * sarray->dim[0].stride] = sb.st_blksize; | |
228 | #else | |
229 | sarray->data[11 * sarray->dim[0].stride] = -1; | |
230 | #endif | |
231 | ||
232 | /* Number of blocks allocated (-1 if not available) */ | |
233 | #if HAVE_STRUCT_STAT_ST_BLOCKS | |
234 | sarray->data[12 * sarray->dim[0].stride] = sb.st_blocks; | |
235 | #else | |
236 | sarray->data[12 * sarray->dim[0].stride] = -1; | |
237 | #endif | |
238 | } | |
239 | ||
240 | if (status != NULL) | |
241 | *status = (val == 0) ? 0 : errno; | |
242 | } | |
7d7b8bfe | 243 | iexport(stat_i8_sub); |
f177a087 | 244 | |
7d7b8bfe RH |
245 | extern GFC_INTEGER_4 stat_i4 (char *, gfc_array_i4 *, gfc_charlen_type); |
246 | export_proto(stat_i4); | |
f177a087 SK |
247 | |
248 | GFC_INTEGER_4 | |
7d7b8bfe | 249 | stat_i4 (char *name, gfc_array_i4 *sarray, gfc_charlen_type name_len) |
f177a087 | 250 | { |
f177a087 | 251 | GFC_INTEGER_4 val; |
7d7b8bfe | 252 | stat_i4_sub (name, sarray, &val, name_len); |
f177a087 SK |
253 | return val; |
254 | } | |
255 | ||
7d7b8bfe RH |
256 | extern GFC_INTEGER_8 stat_i8 (char *, gfc_array_i8 *, gfc_charlen_type); |
257 | export_proto(stat_i8); | |
f177a087 SK |
258 | |
259 | GFC_INTEGER_8 | |
7d7b8bfe | 260 | stat_i8 (char *name, gfc_array_i8 *sarray, gfc_charlen_type name_len) |
f177a087 | 261 | { |
f177a087 | 262 | GFC_INTEGER_8 val; |
7d7b8bfe | 263 | stat_i8_sub (name, sarray, &val, name_len); |
f177a087 SK |
264 | return val; |
265 | } | |
266 | ||
267 | ||
268 | /* SUBROUTINE FSTAT(UNIT, SARRAY, STATUS) | |
269 | INTEGER, INTENT(IN) :: UNIT | |
270 | INTEGER, INTENT(OUT) :: SARRAY(13) | |
271 | INTEGER, INTENT(OUT), OPTIONAL :: STATUS | |
272 | ||
273 | FUNCTION FSTAT(UNIT, SARRAY) | |
274 | INTEGER FSTAT | |
275 | INTEGER, INTENT(IN) :: UNIT | |
276 | INTEGER, INTENT(OUT) :: SARRAY(13) */ | |
277 | ||
7d7b8bfe RH |
278 | extern void fstat_i4_sub (GFC_INTEGER_4 *, gfc_array_i4 *, GFC_INTEGER_4 *); |
279 | iexport_proto(fstat_i4_sub); | |
280 | ||
f177a087 | 281 | void |
7d7b8bfe | 282 | fstat_i4_sub (GFC_INTEGER_4 *unit, gfc_array_i4 *sarray, GFC_INTEGER_4 *status) |
f177a087 | 283 | { |
f177a087 SK |
284 | int val; |
285 | struct stat sb; | |
286 | ||
287 | index_type stride[GFC_MAX_DIMENSIONS - 1]; | |
288 | ||
289 | /* If the rank of the array is not 1, abort. */ | |
290 | if (GFC_DESCRIPTOR_RANK (sarray) != 1) | |
291 | runtime_error ("Array rank of SARRAY is not 1."); | |
292 | ||
293 | /* If the array is too small, abort. */ | |
294 | if (sarray->dim[0].ubound + 1 - sarray->dim[0].lbound < 13) | |
7d7b8bfe | 295 | runtime_error ("Array size of SARRAY is too small."); |
f177a087 SK |
296 | |
297 | if (sarray->dim[0].stride == 0) | |
7d7b8bfe | 298 | sarray->dim[0].stride = 1; |
f177a087 SK |
299 | |
300 | /* Convert Fortran unit number to C file descriptor. */ | |
301 | val = unit_to_fd (*unit); | |
302 | if (val >= 0) | |
303 | val = fstat(val, &sb); | |
304 | ||
305 | if (val == 0) | |
306 | { | |
307 | /* Device ID */ | |
308 | sarray->data[0 * sarray->dim[0].stride] = sb.st_dev; | |
309 | ||
310 | /* Inode number */ | |
311 | sarray->data[1 * sarray->dim[0].stride] = sb.st_ino; | |
312 | ||
313 | /* File mode */ | |
314 | sarray->data[2 * sarray->dim[0].stride] = sb.st_mode; | |
315 | ||
316 | /* Number of (hard) links */ | |
317 | sarray->data[3 * sarray->dim[0].stride] = sb.st_nlink; | |
318 | ||
319 | /* Owner's uid */ | |
320 | sarray->data[4 * sarray->dim[0].stride] = sb.st_uid; | |
321 | ||
322 | /* Owner's gid */ | |
323 | sarray->data[5 * sarray->dim[0].stride] = sb.st_gid; | |
324 | ||
325 | /* ID of device containing directory entry for file (0 if not available) */ | |
326 | #if HAVE_STRUCT_STAT_ST_RDEV | |
327 | sarray->data[6 * sarray->dim[0].stride] = sb.st_rdev; | |
328 | #else | |
329 | sarray->data[6 * sarray->dim[0].stride] = 0; | |
330 | #endif | |
331 | ||
332 | /* File size (bytes) */ | |
333 | sarray->data[7 * sarray->dim[0].stride] = sb.st_size; | |
334 | ||
335 | /* Last access time */ | |
336 | sarray->data[8 * sarray->dim[0].stride] = sb.st_atime; | |
337 | ||
338 | /* Last modification time */ | |
339 | sarray->data[9 * sarray->dim[0].stride] = sb.st_mtime; | |
340 | ||
341 | /* Last file status change time */ | |
342 | sarray->data[10 * sarray->dim[0].stride] = sb.st_ctime; | |
343 | ||
344 | /* Preferred I/O block size (-1 if not available) */ | |
345 | #if HAVE_STRUCT_STAT_ST_BLKSIZE | |
346 | sarray->data[11 * sarray->dim[0].stride] = sb.st_blksize; | |
347 | #else | |
348 | sarray->data[11 * sarray->dim[0].stride] = -1; | |
349 | #endif | |
350 | ||
351 | /* Number of blocks allocated (-1 if not available) */ | |
352 | #if HAVE_STRUCT_STAT_ST_BLOCKS | |
353 | sarray->data[12 * sarray->dim[0].stride] = sb.st_blocks; | |
354 | #else | |
355 | sarray->data[12 * sarray->dim[0].stride] = -1; | |
356 | #endif | |
357 | } | |
358 | ||
359 | if (status != NULL) | |
360 | *status = (val == 0) ? 0 : errno; | |
361 | } | |
7d7b8bfe RH |
362 | iexport(fstat_i4_sub); |
363 | ||
364 | extern void fstat_i8_sub (GFC_INTEGER_8 *, gfc_array_i8 *, GFC_INTEGER_8 *); | |
365 | iexport_proto(fstat_i8_sub); | |
f177a087 SK |
366 | |
367 | void | |
7d7b8bfe | 368 | fstat_i8_sub (GFC_INTEGER_8 *unit, gfc_array_i8 *sarray, GFC_INTEGER_8 *status) |
f177a087 | 369 | { |
f177a087 SK |
370 | int val; |
371 | struct stat sb; | |
372 | ||
373 | index_type stride[GFC_MAX_DIMENSIONS - 1]; | |
374 | ||
375 | /* If the rank of the array is not 1, abort. */ | |
376 | if (GFC_DESCRIPTOR_RANK (sarray) != 1) | |
377 | runtime_error ("Array rank of SARRAY is not 1."); | |
378 | ||
379 | /* If the array is too small, abort. */ | |
380 | if (sarray->dim[0].ubound + 1 - sarray->dim[0].lbound < 13) | |
7d7b8bfe | 381 | runtime_error ("Array size of SARRAY is too small."); |
f177a087 SK |
382 | |
383 | if (sarray->dim[0].stride == 0) | |
7d7b8bfe | 384 | sarray->dim[0].stride = 1; |
f177a087 SK |
385 | |
386 | /* Convert Fortran unit number to C file descriptor. */ | |
387 | val = unit_to_fd ((int) *unit); | |
388 | if (val >= 0) | |
389 | val = fstat(val, &sb); | |
390 | ||
391 | if (val == 0) | |
392 | { | |
393 | /* Device ID */ | |
394 | sarray->data[0] = sb.st_dev; | |
395 | ||
396 | /* Inode number */ | |
397 | sarray->data[sarray->dim[0].stride] = sb.st_ino; | |
398 | ||
399 | /* File mode */ | |
400 | sarray->data[2 * sarray->dim[0].stride] = sb.st_mode; | |
401 | ||
402 | /* Number of (hard) links */ | |
403 | sarray->data[3 * sarray->dim[0].stride] = sb.st_nlink; | |
404 | ||
405 | /* Owner's uid */ | |
406 | sarray->data[4 * sarray->dim[0].stride] = sb.st_uid; | |
407 | ||
408 | /* Owner's gid */ | |
409 | sarray->data[5 * sarray->dim[0].stride] = sb.st_gid; | |
410 | ||
411 | /* ID of device containing directory entry for file (0 if not available) */ | |
412 | #if HAVE_STRUCT_STAT_ST_RDEV | |
413 | sarray->data[6 * sarray->dim[0].stride] = sb.st_rdev; | |
414 | #else | |
415 | sarray->data[6 * sarray->dim[0].stride] = 0; | |
416 | #endif | |
417 | ||
418 | /* File size (bytes) */ | |
419 | sarray->data[7 * sarray->dim[0].stride] = sb.st_size; | |
420 | ||
421 | /* Last access time */ | |
422 | sarray->data[8 * sarray->dim[0].stride] = sb.st_atime; | |
423 | ||
424 | /* Last modification time */ | |
425 | sarray->data[9 * sarray->dim[0].stride] = sb.st_mtime; | |
426 | ||
427 | /* Last file status change time */ | |
428 | sarray->data[10 * sarray->dim[0].stride] = sb.st_ctime; | |
429 | ||
430 | /* Preferred I/O block size (-1 if not available) */ | |
431 | #if HAVE_STRUCT_STAT_ST_BLKSIZE | |
432 | sarray->data[11 * sarray->dim[0].stride] = sb.st_blksize; | |
433 | #else | |
434 | sarray->data[11 * sarray->dim[0].stride] = -1; | |
435 | #endif | |
436 | ||
437 | /* Number of blocks allocated (-1 if not available) */ | |
438 | #if HAVE_STRUCT_STAT_ST_BLOCKS | |
439 | sarray->data[12 * sarray->dim[0].stride] = sb.st_blocks; | |
440 | #else | |
441 | sarray->data[12 * sarray->dim[0].stride] = -1; | |
442 | #endif | |
443 | } | |
444 | ||
445 | if (status != NULL) | |
446 | *status = (val == 0) ? 0 : errno; | |
447 | } | |
7d7b8bfe | 448 | iexport(fstat_i8_sub); |
f177a087 | 449 | |
7d7b8bfe RH |
450 | extern GFC_INTEGER_4 fstat_i4 (GFC_INTEGER_4 *, gfc_array_i4 *); |
451 | export_proto(fstat_i4); | |
f177a087 SK |
452 | |
453 | GFC_INTEGER_4 | |
7d7b8bfe | 454 | fstat_i4 (GFC_INTEGER_4 *unit, gfc_array_i4 *sarray) |
f177a087 | 455 | { |
f177a087 | 456 | GFC_INTEGER_4 val; |
7d7b8bfe | 457 | fstat_i4_sub (unit, sarray, &val); |
f177a087 SK |
458 | return val; |
459 | } | |
460 | ||
7d7b8bfe RH |
461 | extern GFC_INTEGER_8 fstat_i8 (GFC_INTEGER_8 *, gfc_array_i8 *); |
462 | export_proto(fstat_i8); | |
f177a087 SK |
463 | |
464 | GFC_INTEGER_8 | |
7d7b8bfe | 465 | fstat_i8 (GFC_INTEGER_8 *unit, gfc_array_i8 *sarray) |
f177a087 | 466 | { |
f177a087 | 467 | GFC_INTEGER_8 val; |
7d7b8bfe | 468 | fstat_i8_sub (unit, sarray, &val); |
f177a087 SK |
469 | return val; |
470 | } |