xmalloc.c revision 225152
1/*- 2 * Copyright 1996-1998 John D. Polstra. 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 15 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 16 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 17 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 18 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 19 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 20 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 21 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 23 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 24 * 25 * $FreeBSD: head/libexec/rtld-elf/xmalloc.c 225152 2011-08-24 20:05:13Z kib $ 26 */ 27 28#include <stddef.h> 29#include <stdlib.h> 30#include <string.h> 31#include <unistd.h> 32#include "rtld.h" 33#include "rtld_printf.h" 34 35void *xcalloc(size_t); 36void *xmalloc(size_t); 37char *xstrdup(const char *); 38 39void * 40xcalloc(size_t size) 41{ 42 return memset(xmalloc(size), 0, size); 43} 44 45void * 46xmalloc(size_t size) 47{ 48 void *p = malloc(size); 49 if (p == NULL) { 50 rtld_fdputstr(STDERR_FILENO, "Out of memory\n"); 51 _exit(1); 52 } 53 return p; 54} 55 56char * 57xstrdup(const char *s) 58{ 59 char *p = strdup(s); 60 if (p == NULL) { 61 rtld_fdputstr(STDERR_FILENO, "Out of memory\n"); 62 _exit(1); 63 } 64 return p; 65} 66