You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
52 lines
988 B
52 lines
988 B
2 months ago
|
/*
|
||
|
|
* UCW Library -- Memory Allocation
|
||
|
|
*
|
||
|
|
* (c) 2000 Martin Mares <mj@ucw.cz>
|
||
|
|
*
|
||
|
|
* This software may be freely distributed and used according to the terms
|
||
|
|
* of the GNU Lesser General Public License.
|
||
|
|
*/
|
||
|
|
|
||
|
|
#include <ucw/lib.h>
|
||
|
|
|
||
|
|
#include <stdlib.h>
|
||
|
|
#include <string.h>
|
||
|
|
|
||
|
|
void *
|
||
|
|
xmalloc(size_t size)
|
||
|
|
{
|
||
|
|
void *x = malloc(size);
|
||
|
|
if (!x)
|
||
|
|
die("Cannot allocate %zu bytes of memory", size);
|
||
|
|
return x;
|
||
|
|
}
|
||
|
|
|
||
|
|
void *
|
||
|
|
xmalloc_zero(size_t size)
|
||
|
|
{
|
||
|
|
void *x = xmalloc(size);
|
||
|
|
bzero(x, size);
|
||
|
|
return x;
|
||
|
|
}
|
||
|
|
|
||
|
|
void
|
||
|
|
xfree(void *ptr)
|
||
|
|
{
|
||
|
|
/*
|
||
|
|
* Maybe it is a little waste of resources to make this a function instead
|
||
|
|
* of a macro, but xmalloc() is not used for anything critical anyway,
|
||
|
|
* so let's prefer simplicity.
|
||
|
|
*/
|
||
|
|
free(ptr);
|
||
|
|
}
|
||
|
|
|
||
|
|
void *
|
||
|
|
xrealloc(void *old, size_t size)
|
||
|
|
{
|
||
|
|
/* We assume that realloc(NULL, x) works like malloc(x), which is true with the glibc. */
|
||
|
|
void *x = realloc(old, size);
|
||
|
|
if (!x && size)
|
||
|
|
die("Cannot reallocate %zu bytes of memory", size);
|
||
|
|
return x;
|
||
|
|
}
|