1 |
/* |
2 |
* i-scream libstatgrab |
3 |
* http://www.i-scream.org |
4 |
* Copyright (C) 2000-2004 i-scream |
5 |
* |
6 |
* This library is free software; you can redistribute it and/or |
7 |
* modify it under the terms of the GNU Lesser General Public |
8 |
* License as published by the Free Software Foundation; either |
9 |
* version 2.1 of the License, or (at your option) any later version. |
10 |
* |
11 |
* This library is distributed in the hope that it will be useful, |
12 |
* but WITHOUT ANY WARRANTY; without even the implied warranty of |
13 |
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
14 |
* Lesser General Public License for more details. |
15 |
* |
16 |
* You should have received a copy of the GNU Lesser General Public |
17 |
* License along with this library; if not, write to the Free Software |
18 |
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA |
19 |
* 02111-1307 USA |
20 |
* |
21 |
* $Id: tools.c,v 1.62 2004/11/07 12:34:24 ats Exp $ |
22 |
*/ |
23 |
|
24 |
#ifdef HAVE_CONFIG_H |
25 |
#include "config.h" |
26 |
#endif |
27 |
|
28 |
#include <stdio.h> |
29 |
#include <string.h> |
30 |
#include <stdlib.h> |
31 |
#include <unistd.h> |
32 |
#include <sys/types.h> |
33 |
#ifdef ALLBSD |
34 |
#include <fcntl.h> |
35 |
#endif |
36 |
#if (defined(FREEBSD) && !defined(FREEBSD5)) || defined(DFBSD) |
37 |
#include <kvm.h> |
38 |
#include <paths.h> |
39 |
#endif |
40 |
#if defined(NETBSD) || defined(OPENBSD) |
41 |
#include <uvm/uvm_extern.h> |
42 |
#include <sys/param.h> |
43 |
#include <sys/sysctl.h> |
44 |
#endif |
45 |
#ifdef HPUX |
46 |
#include <sys/param.h> |
47 |
#include <sys/pstat.h> |
48 |
#endif |
49 |
|
50 |
#include "tools.h" |
51 |
#include "statgrab.h" |
52 |
|
53 |
#ifdef SOLARIS |
54 |
#ifdef HAVE_LIBDEVINFO_H |
55 |
#include <libdevinfo.h> |
56 |
#endif |
57 |
#include <kstat.h> |
58 |
#include <unistd.h> |
59 |
#include <ctype.h> |
60 |
#include <sys/types.h> |
61 |
#include <sys/dkio.h> |
62 |
#include <sys/stat.h> |
63 |
#include <fcntl.h> |
64 |
#include <sys/fcntl.h> |
65 |
#include <dirent.h> |
66 |
#endif |
67 |
#ifdef WIN32 |
68 |
#include "win32.h" |
69 |
#endif |
70 |
|
71 |
#if defined(SOLARIS) && defined(HAVE_LIBDEVINFO_H) |
72 |
struct map{ |
73 |
char *bsd; |
74 |
char *svr; |
75 |
|
76 |
struct map *next; |
77 |
}; |
78 |
typedef struct map mapping_t; |
79 |
|
80 |
static mapping_t *mapping = NULL; |
81 |
#endif |
82 |
|
83 |
#ifdef SOLARIS |
84 |
const char *sg_get_svr_from_bsd(const char *bsd){ |
85 |
#ifdef HAVE_LIBDEVINFO_H |
86 |
mapping_t *map_ptr; |
87 |
for(map_ptr = mapping; map_ptr != NULL; map_ptr = map_ptr->next) |
88 |
if(!strcmp(map_ptr->bsd, bsd)) return map_ptr->svr; |
89 |
#endif |
90 |
return bsd; |
91 |
} |
92 |
#endif |
93 |
|
94 |
#if defined(SOLARIS) && defined(HAVE_LIBDEVINFO_H) |
95 |
static void add_mapping(char *bsd, char *svr){ |
96 |
mapping_t *map_ptr; |
97 |
mapping_t *map_end_ptr; |
98 |
|
99 |
if (mapping == NULL){ |
100 |
mapping = sg_malloc(sizeof(mapping_t)); |
101 |
if (mapping == NULL) return; |
102 |
map_ptr = mapping; |
103 |
}else{ |
104 |
/* See if its already been added */ |
105 |
for(map_ptr = mapping; map_ptr != NULL; map_ptr = map_ptr->next){ |
106 |
if( (!strcmp(map_ptr->bsd, bsd)) || (!strcmp(map_ptr->svr, svr)) ){ |
107 |
return; |
108 |
} |
109 |
map_end_ptr = map_ptr; |
110 |
} |
111 |
|
112 |
/* We've reached end of list and not found the entry.. So we need to malloc |
113 |
* new mapping_t |
114 |
*/ |
115 |
map_end_ptr->next = sg_malloc(sizeof(mapping_t)); |
116 |
if (map_end_ptr->next == NULL) return; |
117 |
map_ptr = map_end_ptr->next; |
118 |
} |
119 |
|
120 |
map_ptr->next = NULL; |
121 |
map_ptr->bsd = NULL; |
122 |
map_ptr->svr = NULL; |
123 |
if (sg_update_string(&map_ptr->bsd, bsd) < 0 |
124 |
|| sg_update_string(&map_ptr->svr, svr) < 0) { |
125 |
return; |
126 |
} |
127 |
|
128 |
return; |
129 |
} |
130 |
|
131 |
|
132 |
static char *read_dir(char *disk_path){ |
133 |
DIR *dirp; |
134 |
struct dirent *dp; |
135 |
struct stat stbuf; |
136 |
char *svr_name = NULL; |
137 |
char current_dir[MAXPATHLEN]; |
138 |
char file_name[MAXPATHLEN]; |
139 |
char temp_name[MAXPATHLEN]; |
140 |
char dir_dname[MAXPATHLEN]; |
141 |
char *dsk_dir; |
142 |
int x; |
143 |
|
144 |
dsk_dir = "/dev/osa/dev/dsk"; |
145 |
strncpy(current_dir, dsk_dir, sizeof current_dir); |
146 |
if ((dirp = opendir(current_dir)) == NULL){ |
147 |
dsk_dir = "/dev/dsk"; |
148 |
snprintf(current_dir, sizeof current_dir, "%s", dsk_dir); |
149 |
if ((dirp = opendir(current_dir)) == NULL){ |
150 |
return NULL; |
151 |
} |
152 |
} |
153 |
|
154 |
while ((dp = readdir(dirp)) != NULL){ |
155 |
snprintf(temp_name, sizeof temp_name, "../..%s", disk_path); |
156 |
snprintf(dir_dname, sizeof dir_dname, "%s/%s", dsk_dir, dp->d_name); |
157 |
stat(dir_dname,&stbuf); |
158 |
|
159 |
if (S_ISBLK(stbuf.st_mode)){ |
160 |
x = readlink(dir_dname, file_name, sizeof(file_name)); |
161 |
file_name[x] = '\0'; |
162 |
if (strcmp(file_name, temp_name) == 0) { |
163 |
if (sg_update_string(&svr_name, |
164 |
dp->d_name) < 0) { |
165 |
return NULL; |
166 |
} |
167 |
closedir(dirp); |
168 |
return svr_name; |
169 |
} |
170 |
} |
171 |
} |
172 |
closedir(dirp); |
173 |
return NULL; |
174 |
} |
175 |
|
176 |
|
177 |
static int get_alias(char *alias){ |
178 |
char file[MAXPATHLEN]; |
179 |
di_node_t root_node; |
180 |
di_node_t node; |
181 |
di_minor_t minor = DI_MINOR_NIL; |
182 |
char tmpnode[MAXPATHLEN]; |
183 |
char *phys_path; |
184 |
char *minor_name; |
185 |
char *value; |
186 |
int instance; |
187 |
if ((root_node = di_init("/", DINFOCPYALL)) == DI_NODE_NIL) { |
188 |
return -1; |
189 |
} |
190 |
node = di_drv_first_node(alias, root_node); |
191 |
while (node != DI_NODE_NIL) { |
192 |
if ((minor = di_minor_next(node, DI_MINOR_NIL)) != DI_MINOR_NIL) { |
193 |
instance = di_instance(node); |
194 |
phys_path = di_devfs_path(node); |
195 |
minor_name = di_minor_name(minor); |
196 |
strcpy(tmpnode, alias); |
197 |
sprintf(tmpnode, "%s%d", tmpnode, instance); |
198 |
sg_strlcpy(file, "/devices", sizeof file); |
199 |
sg_strlcat(file, phys_path, sizeof file); |
200 |
sg_strlcat(file, ":", sizeof file); |
201 |
sg_strlcat(file, minor_name, sizeof file); |
202 |
value = read_dir(file); |
203 |
if (value != NULL){ |
204 |
add_mapping(tmpnode, value); |
205 |
} |
206 |
di_devfs_path_free(phys_path); |
207 |
node = di_drv_next_node(node); |
208 |
}else{ |
209 |
node = di_drv_next_node(node); |
210 |
} |
211 |
} |
212 |
di_fini(root_node); |
213 |
return 0; |
214 |
} |
215 |
|
216 |
|
217 |
#define BIG_ENOUGH 512 |
218 |
static int build_mapping(){ |
219 |
char device_name[BIG_ENOUGH]; |
220 |
int x; |
221 |
kstat_ctl_t *kc; |
222 |
kstat_t *ksp; |
223 |
kstat_io_t kios; |
224 |
|
225 |
char driver_list[BIG_ENOUGH][BIG_ENOUGH]; |
226 |
int list_entries = 0; |
227 |
int found; |
228 |
|
229 |
if ((kc = kstat_open()) == NULL) { |
230 |
return -1; |
231 |
} |
232 |
|
233 |
for (ksp = kc->kc_chain; ksp; ksp = ksp->ks_next) { |
234 |
if (!strcmp(ksp->ks_class, "disk")) { |
235 |
if(ksp->ks_type != KSTAT_TYPE_IO) continue; |
236 |
/* We dont want metadevices appearing as num_diskio */ |
237 |
if(strcmp(ksp->ks_module, "md")==0) continue; |
238 |
if((kstat_read(kc, ksp, &kios))==-1) continue; |
239 |
strncpy(device_name, ksp->ks_name, sizeof device_name); |
240 |
for(x=0;x<(int)(sizeof device_name);x++){ |
241 |
if( isdigit((int)device_name[x]) ) break; |
242 |
} |
243 |
if(x == sizeof device_name) x--; |
244 |
device_name[x] = '\0'; |
245 |
|
246 |
/* Check if we've not already looked it up */ |
247 |
found = 0; |
248 |
for(x=0;x<list_entries;x++){ |
249 |
if (x>=BIG_ENOUGH){ |
250 |
/* We've got bigger than we thought was massive */ |
251 |
/* If we hit this.. Make big enough bigger */ |
252 |
return -1; |
253 |
} |
254 |
if( !strncmp(driver_list[x], device_name, BIG_ENOUGH)){ |
255 |
found = 1; |
256 |
break; |
257 |
} |
258 |
} |
259 |
|
260 |
if(!found){ |
261 |
if((get_alias(device_name)) != 0){ |
262 |
return -1; |
263 |
} |
264 |
strncpy(driver_list[x], device_name, BIG_ENOUGH); |
265 |
list_entries++; |
266 |
} |
267 |
} |
268 |
} |
269 |
|
270 |
return 0; |
271 |
} |
272 |
|
273 |
#endif |
274 |
|
275 |
#if defined(LINUX) || defined(CYGWIN) |
276 |
char *sg_f_read_line(FILE *f, const char *string){ |
277 |
/* Max line length. 8k should be more than enough */ |
278 |
static char line[8192]; |
279 |
|
280 |
while((fgets(line, sizeof(line), f))!=NULL){ |
281 |
if(strncmp(string, line, strlen(string))==0){ |
282 |
return line; |
283 |
} |
284 |
} |
285 |
|
286 |
sg_set_error(SG_ERROR_PARSE, NULL); |
287 |
return NULL; |
288 |
} |
289 |
|
290 |
char *sg_get_string_match(char *line, regmatch_t *match){ |
291 |
int len=match->rm_eo - match->rm_so; |
292 |
char *match_string=sg_malloc(len+1); |
293 |
|
294 |
match_string=strncpy(match_string, line+match->rm_so, len); |
295 |
match_string[len]='\0'; |
296 |
|
297 |
return match_string; |
298 |
} |
299 |
|
300 |
/* Cygwin (without a recent newlib) doesn't have atoll */ |
301 |
#ifndef HAVE_ATOLL |
302 |
static long long atoll(const char *s) { |
303 |
long long value = 0; |
304 |
int isneg = 0; |
305 |
|
306 |
while (*s == ' ' || *s == '\t') { |
307 |
s++; |
308 |
} |
309 |
if (*s == '-') { |
310 |
isneg = 1; |
311 |
s++; |
312 |
} |
313 |
while (*s >= '0' && *s <= '9') { |
314 |
value = (10 * value) + (*s - '0'); |
315 |
s++; |
316 |
} |
317 |
return (isneg ? -value : value); |
318 |
} |
319 |
#endif |
320 |
|
321 |
long long sg_get_ll_match(char *line, regmatch_t *match){ |
322 |
char *ptr; |
323 |
long long num; |
324 |
|
325 |
ptr=line+match->rm_so; |
326 |
num=atoll(ptr); |
327 |
|
328 |
return num; |
329 |
} |
330 |
#endif |
331 |
|
332 |
/* $OpenBSD: strlcpy.c,v 1.8 2003/06/17 21:56:24 millert Exp $ */ |
333 |
|
334 |
/* |
335 |
* Copyright (c) 1998 Todd C. Miller <Todd.Miller@courtesan.com> |
336 |
* |
337 |
* Permission to use, copy, modify, and distribute this software for any |
338 |
* purpose with or without fee is hereby granted, provided that the above |
339 |
* copyright notice and this permission notice appear in all copies. |
340 |
* |
341 |
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES |
342 |
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF |
343 |
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR |
344 |
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES |
345 |
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN |
346 |
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF |
347 |
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
348 |
*/ |
349 |
|
350 |
/* |
351 |
* Copy src to string dst of size siz. At most siz-1 characters |
352 |
* will be copied. Always NUL terminates (unless siz == 0). |
353 |
* Returns strlen(src); if retval >= siz, truncation occurred. |
354 |
*/ |
355 |
size_t sg_strlcpy(char *dst, const char *src, size_t siz){ |
356 |
register char *d = dst; |
357 |
register const char *s = src; |
358 |
register size_t n = siz; |
359 |
|
360 |
/* Copy as many bytes as will fit */ |
361 |
if (n != 0 && --n != 0) { |
362 |
do { |
363 |
if ((*d++ = *s++) == 0) |
364 |
break; |
365 |
} while (--n != 0); |
366 |
} |
367 |
|
368 |
/* Not enough room in dst, add NUL and traverse rest of src */ |
369 |
if (n == 0) { |
370 |
if (siz != 0) |
371 |
*d = '\0'; /* NUL-terminate dst */ |
372 |
while (*s++) |
373 |
; |
374 |
} |
375 |
|
376 |
return(s - src - 1); /* count does not include NUL */ |
377 |
} |
378 |
|
379 |
/* $OpenBSD: strlcat.c,v 1.11 2003/06/17 21:56:24 millert Exp $ */ |
380 |
|
381 |
/* |
382 |
* Copyright (c) 1998 Todd C. Miller <Todd.Miller@courtesan.com> |
383 |
* |
384 |
* Permission to use, copy, modify, and distribute this software for any |
385 |
* purpose with or without fee is hereby granted, provided that the above |
386 |
* copyright notice and this permission notice appear in all copies. |
387 |
* |
388 |
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES |
389 |
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF |
390 |
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR |
391 |
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES |
392 |
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN |
393 |
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF |
394 |
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
395 |
*/ |
396 |
|
397 |
/* |
398 |
* Appends src to string dst of size siz (unlike strncat, siz is the |
399 |
* full size of dst, not space left). At most siz-1 characters |
400 |
* will be copied. Always NUL terminates (unless siz <= strlen(dst)). |
401 |
* Returns strlen(src) + MIN(siz, strlen(initial dst)). |
402 |
* If retval >= siz, truncation occurred. |
403 |
*/ |
404 |
size_t sg_strlcat(char *dst, const char *src, size_t siz){ |
405 |
register char *d = dst; |
406 |
register const char *s = src; |
407 |
register size_t n = siz; |
408 |
size_t dlen; |
409 |
|
410 |
/* Find the end of dst and adjust bytes left but don't go past end */ |
411 |
while (n-- != 0 && *d != '\0') |
412 |
d++; |
413 |
dlen = d - dst; |
414 |
n = siz - dlen; |
415 |
|
416 |
if (n == 0) |
417 |
return(dlen + strlen(s)); |
418 |
while (*s != '\0') { |
419 |
if (n != 1) { |
420 |
*d++ = *s; |
421 |
n--; |
422 |
} |
423 |
s++; |
424 |
} |
425 |
*d = '\0'; |
426 |
|
427 |
return(dlen + (s - src)); /* count does not include NUL */ |
428 |
} |
429 |
|
430 |
int sg_update_string(char **dest, const char *src) { |
431 |
char *new; |
432 |
|
433 |
if (src == NULL) { |
434 |
/* We're being told to set it to NULL. */ |
435 |
free(*dest); |
436 |
*dest = NULL; |
437 |
return 0; |
438 |
} |
439 |
|
440 |
new = sg_realloc(*dest, strlen(src) + 1); |
441 |
if (new == NULL) { |
442 |
return -1; |
443 |
} |
444 |
|
445 |
strcpy(new, src); |
446 |
*dest = new; |
447 |
return 0; |
448 |
} |
449 |
|
450 |
/* join two strings together */ |
451 |
int sg_concat_string(char **dest, const char *src) { |
452 |
char *new; |
453 |
int len = strlen(*dest) + strlen(src) + 1; |
454 |
|
455 |
new = sg_realloc(*dest, len); |
456 |
if (new == NULL) { |
457 |
return -1; |
458 |
} |
459 |
|
460 |
*dest = new; |
461 |
strcat(*dest, src); |
462 |
return 0; |
463 |
} |
464 |
|
465 |
#if (defined(FREEBSD) && !defined(FREEBSD5)) || defined(DFBSD) |
466 |
kvm_t *sg_get_kvm() { |
467 |
static kvm_t *kvmd = NULL; |
468 |
|
469 |
if (kvmd != NULL) { |
470 |
return kvmd; |
471 |
} |
472 |
|
473 |
kvmd = kvm_openfiles(NULL, NULL, NULL, O_RDONLY, NULL); |
474 |
if(kvmd == NULL) { |
475 |
sg_set_error(SG_ERROR_KVM_OPENFILES, NULL); |
476 |
} |
477 |
return kvmd; |
478 |
} |
479 |
|
480 |
/* Can't think of a better name for this function */ |
481 |
kvm_t *sg_get_kvm2() { |
482 |
static kvm_t *kvmd2 = NULL; |
483 |
|
484 |
if (kvmd2 != NULL) { |
485 |
return kvmd2; |
486 |
} |
487 |
|
488 |
kvmd2 = kvm_openfiles(_PATH_DEVNULL, _PATH_DEVNULL, NULL, O_RDONLY, NULL); |
489 |
if(kvmd2 == NULL) { |
490 |
sg_set_error(SG_ERROR_KVM_OPENFILES, NULL); |
491 |
} |
492 |
return kvmd2; |
493 |
} |
494 |
#endif |
495 |
|
496 |
#if defined(NETBSD) || defined(OPENBSD) |
497 |
struct uvmexp *sg_get_uvmexp() { |
498 |
int mib[2]; |
499 |
size_t size = sizeof(struct uvmexp); |
500 |
static struct uvmexp uvm; |
501 |
struct uvmexp *new; |
502 |
|
503 |
mib[0] = CTL_VM; |
504 |
mib[1] = VM_UVMEXP; |
505 |
|
506 |
if (sysctl(mib, 2, &uvm, &size, NULL, 0) < 0) { |
507 |
sg_set_error_with_errno(SG_ERROR_SYSCTL, "CTL_VM.VM_UVMEXP"); |
508 |
return NULL; |
509 |
} |
510 |
|
511 |
return &uvm; |
512 |
} |
513 |
#endif |
514 |
|
515 |
#ifdef HPUX |
516 |
struct pst_static *sg_get_pstat_static() { |
517 |
static int got = 0; |
518 |
static struct pst_static pst; |
519 |
|
520 |
if (!got) { |
521 |
if (pstat_getstatic(&pst, sizeof pst, 1, 0) == -1) { |
522 |
sg_set_error_with_errno(SG_ERROR_PSTAT, |
523 |
"pstat_static"); |
524 |
return NULL; |
525 |
} |
526 |
got = 1; |
527 |
} |
528 |
return &pst; |
529 |
} |
530 |
#endif |
531 |
|
532 |
int sg_init(){ |
533 |
sg_set_error(SG_ERROR_NONE, NULL); |
534 |
|
535 |
#if (defined(FREEBSD) && !defined(FREEBSD5)) || defined(DFBSD) |
536 |
if (sg_get_kvm() == NULL) { |
537 |
return -1; |
538 |
} |
539 |
if (sg_get_kvm2() == NULL) { |
540 |
return -1; |
541 |
} |
542 |
#endif |
543 |
#ifdef SOLARIS |
544 |
/* On solaris 7, this will fail if you are not root. But, everything |
545 |
* will still work, just no disk mappings. So we will ignore the exit |
546 |
* status of this, and carry on merrily. |
547 |
*/ |
548 |
#ifdef HAVE_LIBDEVINFO_H |
549 |
build_mapping(); |
550 |
#endif |
551 |
#endif |
552 |
#ifdef WIN32 |
553 |
return sg_win32_start_capture(); |
554 |
#endif |
555 |
return 0; |
556 |
} |
557 |
|
558 |
int sg_shutdown() { |
559 |
#ifdef WIN32 |
560 |
sg_win32_end_capture(); |
561 |
#endif |
562 |
return 0; |
563 |
} |
564 |
|
565 |
int sg_snapshot() { |
566 |
#ifdef WIN32 |
567 |
return sg_win32_snapshot(); |
568 |
#else |
569 |
return 0; |
570 |
#endif |
571 |
} |
572 |
|
573 |
int sg_drop_privileges() { |
574 |
#ifndef WIN32 |
575 |
#ifdef HAVE_SETEGID |
576 |
if (setegid(getgid()) != 0) { |
577 |
#elif defined(HAVE_SETRESGID) |
578 |
if (setresgid(getgid(), getgid(), getgid()) != 0) { |
579 |
#else |
580 |
{ |
581 |
#endif |
582 |
sg_set_error_with_errno(SG_ERROR_SETEGID, NULL); |
583 |
return -1; |
584 |
} |
585 |
#ifdef HAVE_SETEUID |
586 |
if (seteuid(getuid()) != 0) { |
587 |
#elif defined(HAVE_SETRESUID) |
588 |
if (setresuid(getuid(), getuid(), getuid()) != 0) { |
589 |
#else |
590 |
{ |
591 |
#endif |
592 |
sg_set_error_with_errno(SG_ERROR_SETEUID, NULL); |
593 |
return -1; |
594 |
} |
595 |
#endif /* WIN32 */ |
596 |
return 0; |
597 |
} |
598 |
|
599 |
void *sg_realloc(void *ptr, size_t size) { |
600 |
void *tmp = NULL; |
601 |
tmp = realloc(ptr, size); |
602 |
if(tmp == NULL) { |
603 |
sg_set_error_with_errno(SG_ERROR_MALLOC, NULL); |
604 |
} |
605 |
return tmp; |
606 |
} |