openldap/servers/slurpd/ch_malloc.c
2005-01-01 20:49:32 +00:00

159 lines
3.0 KiB
C

/* $OpenLDAP$ */
/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
*
* Copyright 1998-2005 The OpenLDAP Foundation.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted only as authorized by the OpenLDAP
* Public License.
*
* A copy of this license is available in file LICENSE in the
* top-level directory of the distribution or, alternatively, at
* <http://www.OpenLDAP.org/license.html>.
*/
/* Portions Copyright (c) 1996 Regents of the University of Michigan.
* All rights reserved.
*
* Redistribution and use in source and binary forms are permitted
* provided that this notice is preserved and that due credit is given
* to the University of Michigan at Ann Arbor. The name of the University
* may not be used to endorse or promote products derived from this
* software without specific prior written permission. This software
* is provided ``as is'' without express or implied warranty.
*/
/* ACKNOWLEDGEMENTS:
* This work was originally developed by the University of Michigan
* (as part of U-MICH LDAP).
*/
#define CH_FREE 1
/*
* ch_malloc.c - malloc() and friends, with check for NULL return.
*/
#include "portable.h"
#include <stdio.h>
#include <ac/stdlib.h>
#include <ac/socket.h>
#include "../slapd/slap.h"
#ifndef CSRIMALLOC
/*
* Just like malloc, except we check the returned value and exit
* if anything goes wrong.
*/
void *
ch_malloc(
ber_len_t size
)
{
void *new;
if ( (new = (void *) ber_memalloc( size )) == NULL ) {
fprintf( stderr, "malloc of %lu bytes failed\n",
(long) size );
exit( EXIT_FAILURE );
}
return( new );
}
/*
* Just like realloc, except we check the returned value and exit
* if anything goes wrong.
*/
void *
ch_realloc(
void *block,
ber_len_t size
)
{
void *new;
if ( block == NULL ) {
return( ch_malloc( size ) );
}
if ( size == 0 ) {
ch_free( block );
}
if ( (new = (void *) ber_memrealloc( block, size )) == NULL ) {
fprintf( stderr, "realloc of %lu bytes failed\n",
(long) size );
exit( EXIT_FAILURE );
}
return( new );
}
/*
* Just like calloc, except we check the returned value and exit
* if anything goes wrong.
*/
void *
ch_calloc(
ber_len_t nelem,
ber_len_t size
)
{
void *new;
if ( (new = (void *) ber_memcalloc( nelem, size )) == NULL ) {
fprintf( stderr, "calloc of %lu elems of %lu bytes failed\n",
(long) nelem, (long) size );
exit( EXIT_FAILURE );
}
return( new );
}
/*
* Just like strdup, except we check the returned value and exit
* if anything goes wrong.
*/
char *
ch_strdup(
const char *string
)
{
char *new;
if ( (new = ber_strdup( string )) == NULL ) {
fprintf( stderr, "ch_strdup: duplication of \"%s\" failed\n",
string );
exit( EXIT_FAILURE );
}
return( new );
}
/*
* Just like free, except we check to see if p is null.
*/
void
ch_free(
void *p
)
{
if ( p != NULL ) {
ber_memfree( p );
}
return;
}
#endif