src/usr.bin/ssh/xmalloc.c - diff

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Diff for /src/usr.bin/ssh/xmalloc.c between version 1.16 and 1.16.20.1

version 1.16, 2001/07/23 18:21:46

version 1.16.20.1, 2006/09/30 04:06:51

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/* $OpenBSD$ */

* Author: Tatu Ylonen <ylo@cs.hut.fi>

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* called by a name other than "ssh" or "Secure Shell".

#include "includes.h"

#include <sys/param.h>

RCSID("$OpenBSD$");

#include <stdarg.h>

#include <stdio.h>

#include <stdlib.h>

#include <string.h>

#include "xmalloc.h"

#include "log.h"

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}

void *

xrealloc(void *ptr, size_t new_size)

xcalloc(size_t nmemb, size_t size)

{

void *ptr;

if (size == 0 || nmemb == 0)

fatal("xcalloc: zero size");

if (SIZE_T_MAX / nmemb < size)

fatal("xcalloc: nmemb * size > SIZE_T_MAX");

ptr = calloc(nmemb, size);

if (ptr == NULL)

fatal("xcalloc: out of memory (allocating %lu bytes)",

(u_long)(size * nmemb));

return ptr;

}

void *

xrealloc(void *ptr, size_t nmemb, size_t size)

{

void *new_ptr;

size_t new_size = nmemb * size;

if (new_size == 0)

fatal("xrealloc: zero size");

if (SIZE_T_MAX / nmemb < size)

fatal("xrealloc: nmemb * size > SIZE_T_MAX");

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);

fatal("xrealloc: out of memory (new_size %lu bytes)",

(u_long) new_size);

return new_ptr;

}

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cp = xmalloc(len);

strlcpy(cp, str, len);

return cp;

}

int

xasprintf(char **ret, const char *fmt, ...)

{

va_list ap;

int i;

va_start(ap, fmt);

i = vasprintf(ret, fmt, ap);

va_end(ap);

if (i < 0 || *ret == NULL)

fatal("xasprintf: could not allocate memory");

return (i);

}