1 /* $NetBSD: xmalloc.c,v 1.1.1.1 2016/01/14 00:11:29 christos Exp $ */ 2 3 /* xmalloc.c -- safe versions of malloc and realloc. 4 5 Copyright (C) 1988, 1989, 1990, 1991, 1992, 1993, 2004 Free Software 6 Foundation, Inc. 7 8 This program is free software; you can redistribute it and/or modify 9 it under the terms of the GNU General Public License as published by 10 the Free Software Foundation; either version 2, or (at your option) 11 any later version. 12 13 This program is distributed in the hope that it will be useful, 14 but WITHOUT ANY WARRANTY; without even the implied warranty of 15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 16 GNU General Public License for more details. 17 18 You should have received a copy of the GNU General Public License 19 along with this program; if not, write to the Free Software 20 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. 21 22 Written by Brian Fox (bfox@ai.mit.edu). */ 23 24 #if !defined (ALREADY_HAVE_XMALLOC) 25 #include "system.h" 26 27 static void 28 memory_error_and_abort (const char *fname) 29 { 30 fprintf (stderr, "%s: Out of virtual memory!\n", fname); 31 abort (); 32 } 33 34 /* Return a pointer to free()able block of memory large enough 35 to hold BYTES number of bytes. If the memory cannot be allocated, 36 print an error message and abort. */ 37 void * 38 xmalloc (size_t bytes) 39 { 40 void *temp = malloc (bytes); 41 42 if (!temp) 43 memory_error_and_abort ("xmalloc"); 44 return (temp); 45 } 46 47 void * 48 xrealloc (void *pointer, size_t bytes) 49 { 50 void *temp; 51 52 if (!pointer) 53 temp = malloc (bytes); 54 else 55 temp = realloc (pointer, bytes); 56 57 if (!temp) 58 memory_error_and_abort ("xrealloc"); 59 60 return (temp); 61 } 62 63 #endif /* !ALREADY_HAVE_XMALLOC */ 64