mirror of
git://anongit.mindrot.org/openssh.git
synced 2024-11-24 10:53:24 +08:00
69 lines
1.5 KiB
C
69 lines
1.5 KiB
C
/*
|
|
* Author: Tatu Ylonen <ylo@cs.hut.fi>
|
|
* Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
|
|
* All rights reserved
|
|
* Versions of malloc and friends that check their results, and never return
|
|
* failure (they call fatal if they encounter an error).
|
|
*
|
|
* As far as I am concerned, the code I have written for this software
|
|
* can be used freely for any purpose. Any derived versions of this
|
|
* software must be clearly marked as such, and if the derived work is
|
|
* incompatible with the protocol description in the RFC file, it must be
|
|
* called by a name other than "ssh" or "Secure Shell".
|
|
*/
|
|
|
|
#include "includes.h"
|
|
RCSID("$OpenBSD: xmalloc.c,v 1.16 2001/07/23 18:21:46 stevesk Exp $");
|
|
|
|
#include "xmalloc.h"
|
|
#include "log.h"
|
|
|
|
void *
|
|
xmalloc(size_t size)
|
|
{
|
|
void *ptr;
|
|
|
|
if (size == 0)
|
|
fatal("xmalloc: zero size");
|
|
ptr = malloc(size);
|
|
if (ptr == NULL)
|
|
fatal("xmalloc: out of memory (allocating %lu bytes)", (u_long) size);
|
|
return ptr;
|
|
}
|
|
|
|
void *
|
|
xrealloc(void *ptr, size_t new_size)
|
|
{
|
|
void *new_ptr;
|
|
|
|
if (new_size == 0)
|
|
fatal("xrealloc: zero size");
|
|
if (ptr == NULL)
|
|
new_ptr = malloc(new_size);
|
|
else
|
|
new_ptr = realloc(ptr, new_size);
|
|
if (new_ptr == NULL)
|
|
fatal("xrealloc: out of memory (new_size %lu bytes)", (u_long) new_size);
|
|
return new_ptr;
|
|
}
|
|
|
|
void
|
|
xfree(void *ptr)
|
|
{
|
|
if (ptr == NULL)
|
|
fatal("xfree: NULL pointer given as argument");
|
|
free(ptr);
|
|
}
|
|
|
|
char *
|
|
xstrdup(const char *str)
|
|
{
|
|
size_t len;
|
|
char *cp;
|
|
|
|
len = strlen(str) + 1;
|
|
cp = xmalloc(len);
|
|
strlcpy(cp, str, len);
|
|
return cp;
|
|
}
|