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gnupg/common/xmalloc.c
2010-03-10 12:24:58 +00:00

88 lines
1.7 KiB
C

/* xmalloc.c - standard malloc wrappers
* Copyright (C) 1999, 2000, 2001, 2006 Free Software Foundation, Inc.
*
* This file is part of JNLIB.
*
* JNLIB is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 3 of
* the License, or (at your option) any later version.
*
* JNLIB is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this program; if not, see <http://www.gnu.org/licenses/>.
*/
#include <config.h>
#include <stdlib.h>
#include <string.h>
#include <stdio.h>
#include "libjnlib-config.h"
#include "xmalloc.h"
static void
out_of_core(void)
{
fputs("\nfatal: out of memory\n", stderr );
exit(2);
}
void *
xmalloc( size_t n )
{
void *p = malloc( n );
if( !p )
out_of_core();
return p;
}
void *
xrealloc( void *a, size_t n )
{
void *p = realloc( a, n );
if( !p )
out_of_core();
return p;
}
void *
xcalloc( size_t n, size_t m )
{
void *p = calloc( n, m );
if( !p )
out_of_core();
return p;
}
char *
xstrdup( const char *string )
{
void *p = xmalloc( strlen(string)+1 );
strcpy( p, string );
return p;
}
char *
xstrcat2( const char *a, const char *b )
{
size_t n1;
char *p;
if( !b )
return xstrdup( a );
n1 = strlen(a);
p = xmalloc( n1 + strlen(b) + 1 );
memcpy(p, a, n1 );
strcpy(p+n1, b );
return p;
}