0d67007d1b
system strdup(3) which may or may not exist. There is now no need to provide strdup() for those w/o it. Also, the prototype for estrdup() was wrong, it returns char * and its param is const.
119 lines
3.0 KiB
C
119 lines
3.0 KiB
C
/*
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* CU sudo version 1.6
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* Copyright (c) 1999 Todd C. Miller <Todd.Miller@courtesan.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 1, or (at your option)
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* any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*
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* Please send bugs, changes, problems to sudo-bugs@courtesan.com
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*
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*******************************************************************
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*
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* This module contains memory allocation routines used by sudo.
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*
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* Todd C. Miller <Todd.Miller@courtesan.com> Fri Jun 3 18:32:19 MDT 1994
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*/
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#include "config.h"
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#include <stdio.h>
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#ifdef STDC_HEADERS
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#include <stdlib.h>
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#endif /* STDC_HEADERS */
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#ifdef HAVE_STRING_H
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#include <string.h>
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#endif /* HAVE_STRING_H */
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#ifdef HAVE_STRINGS_H
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#include <strings.h>
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#endif /* HAVE_STRINGS_H */
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#if defined(HAVE_MALLOC_H) && !defined(STDC_HEADERS)
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#include <malloc.h>
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#endif /* HAVE_MALLOC_H && !STDC_HEADERS */
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#include "compat.h"
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#ifndef STDC_HEADERS
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#ifndef __GNUC__ / *gcc has its own malloc */
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extern VOID *malloc __P((size_t));
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#endif /* __GNUC__ */
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#endif /* !STDC_HEADERS */
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extern char **Argv; /* from sudo.c */
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#ifndef lint
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static const char rcsid[] = "$Sudo$";
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#endif /* lint */
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/**********************************************************************
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*
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* emalloc()
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*
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* emalloc() calls the system malloc(3) and exits with an error if
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* malloc(3) fails.
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*/
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VOID *emalloc(size)
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size_t size;
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{
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VOID *ptr;
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if ((ptr = malloc(size)) == NULL) {
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(void) fprintf(stderr, "%s: cannot allocate memory!\n", Argv[0]);
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exit(1);
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}
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return(ptr);
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}
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/**********************************************************************
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*
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* erealloc()
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*
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* erealloc() calls the system realloc(3) and exits with an error if
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* realloc(3) fails. You can call erealloc() with a NULL pointer even
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* if the system realloc(3) does not support this.
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*/
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VOID *erealloc(ptr, size)
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VOID *ptr;
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size_t size;
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{
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if ((ptr = ptr ? realloc(ptr, size) : malloc(size)) == NULL) {
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(void) fprintf(stderr, "%s: cannot allocate memory!\n", Argv[0]);
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exit(1);
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}
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return(ptr);
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}
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/**********************************************************************
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*
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* estrdup()
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*
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* estrdup() is like strdup(3) except that it exits with an error if
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* malloc(3) fails. NOTE: unlike strdup(3), estrdup(NULL) is legal.
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*/
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char *estrdup(src)
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const char *src;
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{
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char *dst = NULL;
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if (src != NULL) {
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dst = (char *) emalloc(strlen(src) + 1);
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(void) strcpy(dst, src);
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}
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return(dst);
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}
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