freebsd-skq/contrib/ldns/compat/realloc.c

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2012-07-04 14:22:28 +00:00
/* Just a replacement, if the original malloc is not
GNU-compliant. Based on malloc.c */
#if HAVE_CONFIG_H
#include <ldns/config.h>
#endif
#undef realloc
#include <sys/types.h>
void *realloc (void*, size_t);
void *malloc (size_t);
/* Changes allocation to new sizes, copies over old data.
* if oldptr is NULL, does a malloc.
* if size is zero, allocate 1-byte block....
* (does not return NULL and free block)
*/
void *
rpl_realloc (void* ptr, size_t n)
{
if (n == 0)
n = 1;
if(ptr == 0) {
return malloc(n);
}
return realloc(ptr, n);
}