mirror of
https://github.com/nextcloud/desktop.git
synced 2025-10-26 11:17:43 +00:00
90 lines
2.1 KiB
C
90 lines
2.1 KiB
C
/*
|
|
* cynapses libc functions
|
|
*
|
|
* Copyright (c) 2008-2013 by Andreas Schneider <asn@cryptomilk.org>
|
|
*
|
|
* This library is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU Lesser General Public
|
|
* License as published by the Free Software Foundation; either
|
|
* version 2.1 of the License, or (at your option) any later version.
|
|
*
|
|
* This library is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
* Lesser General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Lesser General Public
|
|
* License along with this library; if not, write to the Free Software
|
|
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
|
|
*/
|
|
|
|
#include <string.h>
|
|
|
|
#include "c_macro.h"
|
|
#include "c_alloc.h"
|
|
|
|
void *c_calloc(size_t count, size_t size) {
|
|
if (size == 0 || count == 0) {
|
|
return NULL;
|
|
}
|
|
|
|
#ifdef CSYNC_MEM_NULL_TESTS
|
|
if (getenv("CSYNC_NOMEMORY")) {
|
|
return NULL;
|
|
}
|
|
#endif /* CSYNC_MEM_NULL_TESTS */
|
|
|
|
#undef calloc
|
|
return calloc(count, size);
|
|
#define calloc(x,y) DO_NOT_CALL_CALLOC__USE_XCALLOC_INSTEAD
|
|
}
|
|
|
|
void *c_malloc(size_t size) {
|
|
if (size == 0) {
|
|
return NULL;
|
|
}
|
|
#undef malloc
|
|
return c_calloc(1, size);
|
|
#define malloc(x) DO_NOT_CALL_MALLOC__USE_XMALLOC_INSTEAD
|
|
}
|
|
|
|
void *c_realloc(void *ptr, size_t size) {
|
|
|
|
#ifdef CSYNC_MEM_NULL_TESTS
|
|
if (getenv("CSYNC_NOMEMORY")) {
|
|
return NULL;
|
|
}
|
|
#endif /* CSYNC_MEM_NULL_TESTS */
|
|
|
|
#undef realloc
|
|
return realloc(ptr, size);
|
|
#define realloc(x,y) DO_NOT_CALL_REALLOC__USE_XREALLOC_INSTEAD
|
|
}
|
|
|
|
char *c_strdup(const char *str) {
|
|
char *ret;
|
|
ret = (char *) c_malloc(strlen(str) + 1);
|
|
if (ret == NULL) {
|
|
return NULL;
|
|
}
|
|
strcpy(ret, str);
|
|
return ret;
|
|
}
|
|
|
|
char *c_strndup(const char *str, size_t size) {
|
|
char *ret;
|
|
size_t len;
|
|
len = strlen(str);
|
|
if (len > size) {
|
|
len = size;
|
|
}
|
|
ret = (char *) c_malloc(len + 1);
|
|
if (ret == NULL) {
|
|
return NULL;
|
|
}
|
|
strncpy(ret, str, len);
|
|
ret[size] = '\0';
|
|
return ret;
|
|
}
|
|
|