1 // Copyright (C) 1992-1998 by Michael K. Johnson, johnsonm (at) redhat.com 2 // Copyright 2002 Albert Cahalan 3 // 4 // This file is placed under the conditions of the GNU Library 5 // General Public License, version 2, or any later version. 6 // See file COPYING for information on distribution conditions. 7 8 #include <stdlib.h> 9 #include <stdio.h> 10 #include "alloc.h" 11 12 void *xcalloc(void *pointer, int size) 13 { 14 void *ret; 15 free(pointer); 16 if (!(ret = calloc(1, size))) { 17 fprintf(stderr, "xcalloc: allocation error, size = %d\n", size); 18 exit(1); 19 } 20 return ret; 21 } 22 23 void *xmalloc(unsigned int size) 24 { 25 void *p; 26 27 if (size == 0) 28 ++size; 29 p = malloc(size); 30 if (!p) { 31 fprintf(stderr, "xmalloc: malloc(%d) failed", size); 32 perror(NULL); 33 exit(1); 34 } 35 return (p); 36 } 37 38 void *xrealloc(void *oldp, unsigned int size) 39 { 40 void *p; 41 42 if (size == 0) 43 ++size; 44 p = realloc(oldp, size); 45 if (!p) { 46 fprintf(stderr, "xrealloc: realloc(%d) failed", size); 47 perror(NULL); 48 exit(1); 49 } 50 return (p); 51 } 52
