strdup.c

来自「Linux下ztelnet 的rz、sz源码」· C语言 代码 · 共 40 行

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/* strdup.c : replacement function for missing strdup(). *//*    Copyright (C) 1996 1997 Uwe Ohse    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., 675 Mass Ave, Cambridge, MA 02139, USA.    Contact: uwe@ohse.de, Uwe Ohse @ DU3 (mausnet)       Snail Mail (don't expect me to answer):             Uwe Ohse             Drosselstra遝 2             47055 Duisburg             Germany*/#include "config.h"#include <stdlib.h>#include <string.h>char *strdup(const char *s){	char *p;	size_t l=strlen(s)+1;	p=malloc(l);	if (!p)		return NULL;	return memcpy(p,s,l);}

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