mirror of
git://anongit.mindrot.org/openssh.git
synced 2024-12-01 01:36:11 +08:00
a627d42e51
[xmalloc.h cipher.c sftp-glob.c ssh-keyscan.c ssh.c sftp-common.c
ssh-ecdsa.c auth2-chall.c compat.c readconf.c kexgexs.c monitor.c
gss-genr.c cipher-3des1.c kex.c monitor_wrap.c ssh-pkcs11-client.c
auth-options.c rsa.c auth2-pubkey.c sftp.c hostfile.c auth2.c
servconf.c auth.c authfile.c xmalloc.c uuencode.c sftp-client.c
auth2-gss.c sftp-server.c bufaux.c mac.c session.c jpake.c kexgexc.c
sshconnect.c auth-chall.c auth2-passwd.c sshconnect1.c buffer.c
kexecdhs.c kexdhs.c ssh-rsa.c auth1.c ssh-pkcs11.c auth2-kbdint.c
kexdhc.c sshd.c umac.c ssh-dss.c auth2-jpake.c bufbn.c clientloop.c
monitor_mm.c scp.c roaming_client.c serverloop.c key.c auth-rsa.c
ssh-pkcs11-helper.c ssh-keysign.c ssh-keygen.c match.c channels.c
sshconnect2.c addrmatch.c mux.c canohost.c kexecdhc.c schnorr.c
ssh-add.c misc.c auth2-hostbased.c ssh-agent.c bufec.c groupaccess.c
dns.c packet.c readpass.c authfd.c moduli.c]
bye, bye xfree(); ok markus@
103 lines
2.2 KiB
C
103 lines
2.2 KiB
C
/* $OpenBSD: xmalloc.c,v 1.28 2013/05/17 00:13:14 djm Exp $ */
|
|
/*
|
|
* 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"
|
|
|
|
#include <sys/param.h>
|
|
#include <stdarg.h>
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
|
|
#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 *
|
|
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);
|
|
return new_ptr;
|
|
}
|
|
|
|
char *
|
|
xstrdup(const char *str)
|
|
{
|
|
size_t len;
|
|
char *cp;
|
|
|
|
len = strlen(str) + 1;
|
|
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);
|
|
}
|