*/
#include "includes.h"
-RCSID("$OpenBSD: xmalloc.c,v 1.11 2001/02/04 15:32:27 stevesk Exp $");
+RCSID("$OpenBSD: xmalloc.c,v 1.14 2001/02/07 18:04:50 itojun Exp $");
#include "xmalloc.h"
#include "log.h"
void *
xmalloc(size_t size)
{
- void *ptr = malloc(size);
+ void *ptr;
+
+ if (size == 0)
+ fatal("xmalloc: zero size");
+ ptr = malloc(size);
if (ptr == NULL)
- fatal("xmalloc: out of memory (allocating %d bytes)", (int) size);
+ fatal("xmalloc: out of memory (allocating %lu bytes)", (u_long) size);
return ptr;
}
{
void *new_ptr;
+ if (new_size == 0)
+ fatal("xrealloc: zero size");
if (ptr == NULL)
fatal("xrealloc: NULL pointer given as argument");
new_ptr = realloc(ptr, new_size);
if (new_ptr == NULL)
- fatal("xrealloc: out of memory (new_size %d bytes)", (int) new_size);
+ fatal("xrealloc: out of memory (new_size %lu bytes)", (u_long) new_size);
return new_ptr;
}
xstrdup(const char *str)
{
size_t len = strlen(str) + 1;
+ char *cp;
- char *cp = xmalloc(len);
+ if (len == 0)
+ fatal("xstrdup: zero size");
+ cp = xmalloc(len);
strlcpy(cp, str, len);
return cp;
}