mirror of git://git.gnupg.org/gnupg.git
113 lines
2.3 KiB
C
113 lines
2.3 KiB
C
/* xmalloc.c - standard malloc wrappers
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* Copyright (C) 1999, 2000, 2001, 2006 Free Software Foundation, Inc.
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*
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* This file is part of GnuPG.
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*
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* GnuPG is free software; you can redistribute it and/or modify it
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* under the terms of either
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*
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* - the GNU Lesser General Public License as published by the Free
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* Software Foundation; either version 3 of the License, or (at
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* your option) any later version.
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*
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* or
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*
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* - the GNU General Public License as published by the Free
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* Software Foundation; either version 2 of the License, or (at
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* your option) any later version.
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*
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* or both in parallel, as here.
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*
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* GnuPG is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copies of the GNU General Public License
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* and the GNU Lesser General Public License along with this program;
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* if not, see <http://www.gnu.org/licenses/>.
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*/
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#include <config.h>
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#include <stdlib.h>
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#include <string.h>
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#include <stdio.h>
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#include "libjnlib-config.h"
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#include "xmalloc.h"
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static void
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out_of_core(void)
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{
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fputs("\nfatal: out of memory\n", stderr );
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exit(2);
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}
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void *
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xmalloc( size_t n )
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{
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void *p;
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/* Make sure that xmalloc (0) works. This is the same behaviour
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has in gpg 2.x. Note that in contrast to this code, Libgcrypt
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(and thus most xmallocs in gpg 2.x) detect the !n and bail out. */
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if (!n)
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n = 1;
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p = malloc( n );
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if( !p )
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out_of_core();
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return p;
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}
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void *
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xrealloc( void *a, size_t n )
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{
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void *p = realloc( a, n );
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if( !p )
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out_of_core();
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return p;
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}
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void *
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xcalloc( size_t n, size_t m )
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{
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void *p;
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if (!n)
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n = 1;
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if (!m)
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m = 1;
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p = calloc( n, m );
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if( !p )
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out_of_core();
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return p;
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}
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char *
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xstrdup( const char *string )
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{
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void *p = xmalloc( strlen(string)+1 );
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strcpy( p, string );
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return p;
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}
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char *
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xstrcat2( const char *a, const char *b )
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{
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size_t n1;
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char *p;
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if( !b )
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return xstrdup( a );
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n1 = strlen(a);
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p = xmalloc( n1 + strlen(b) + 1 );
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memcpy(p, a, n1 );
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strcpy(p+n1, b );
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return p;
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}
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