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xmalloc.c revision 1.6 
      1 /*	$NetBSD: xmalloc.c,v 1.6 2007/09/27 17:52:16 christos Exp $	 */
      2 
      3 /*
      4  * Copyright 1996 John D. Polstra.
      5  * Copyright 1996 Matt Thomas <matt (at) 3am-software.com>
      6  * All rights reserved.
      7  *
      8  * Redistribution and use in source and binary forms, with or without
      9  * modification, are permitted provided that the following conditions
     10  * are met:
     11  * 1. Redistributions of source code must retain the above copyright
     12  *    notice, this list of conditions and the following disclaimer.
     13  * 2. Redistributions in binary form must reproduce the above copyright
     14  *    notice, this list of conditions and the following disclaimer in the
     15  *    documentation and/or other materials provided with the distribution.
     16  * 3. All advertising materials mentioning features or use of this software
     17  *    must display the following acknowledgement:
     18  *      This product includes software developed by John Polstra.
     19  * 4. The name of the author may not be used to endorse or promote products
     20  *    derived from this software without specific prior written permission.
     21  *
     22  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     23  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     24  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     25  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     26  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     27  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     28  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     29  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     30  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     31  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     32  */
     33 
     34 #include <sys/cdefs.h>
     35 #ifndef lint
     36 __RCSID("$NetBSD: xmalloc.c,v 1.6 2007/09/27 17:52:16 christos Exp $");
     37 #endif /* not lint */
     38 
     39 #include "rtldenv.h"
     40 #include <stddef.h>
     41 #include <errno.h>
     42 #include <stdlib.h>
     43 #include <string.h>
     44 
     45 void *
     46 xcalloc(size_t size)
     47 {
     48 
     49 	return memset(xmalloc(size), 0, size);
     50 }
     51 
     52 void *
     53 xmalloc(size_t size)
     54 {
     55 	void *p = malloc(size);
     56 
     57 	if (p == NULL)
     58 		xerr(1, "%s", xstrerror(errno));
     59 	return p;
     60 }
     61 
     62 void *
     63 xrealloc(void *p, size_t size)
     64 {
     65 	p = realloc(p, size);
     66 
     67 	if (p == NULL)
     68 		xerr(1, "%s", xstrerror(errno));
     69 	return p;
     70 }
     71 
     72 char*
     73 xstrdup(const char *s)
     74 {
     75 	char *p = strdup(s);
     76 
     77 	if (p == NULL)
     78 		xerr(1, "%s", xstrerror(errno));
     79 	return p;
     80 }
     81