strdup.c
上传用户:tany51
上传日期:2013-06-12
资源大小:1397k
文件大小:1k
- /*
- * Copyright (C) 1999 Ross Combs (rocombs@cs.nmsu.edu)
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version 2
- * of the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
- */
- #include "common/setup_before.h"
- #ifndef HAVE_STRDUP
- #ifdef HAVE_STDDEF_H
- # include <stddef.h>
- #else
- # ifndef NULL
- # define NULL ((void *)0)
- # endif
- #endif
- #ifdef STDC_HEADERS
- # include <stdlib.h>
- #else
- # ifdef HAVE_MALLOC_H
- # include <malloc.h>
- # endif
- #endif
- #ifdef HAVE_STRING_H
- # include <string.h>
- #else
- # ifdef HAVE_STRINGS_H
- # include <strings.h>
- # endif
- #endif
- #include "strdup.h"
- #include "common/setup_after.h"
- extern char * strdup(char const * str)
- {
- char * out;
- if (!str)
- return NULL;
- if (!(out = malloc(strlen(str)+1)))
- return NULL;
- strcpy(out,str);
- return out;
- }
- #else
- typedef int filenotempty; /* make ISO standard happy */
- #endif