1/* Copyright (C) 1991, 1996, 1997, 1998, 2002, 2003, 2004, 2006, 2007 Free 2 Software Foundation, Inc. 3 4 This file is part of the GNU C Library. 5 6 This program is free software; you can redistribute it and/or modify 7 it under the terms of the GNU General Public License as published by 8 the Free Software Foundation; either version 3, or (at your option) 9 any later version. 10 11 This program is distributed in the hope that it will be useful, 12 but WITHOUT ANY WARRANTY; without even the implied warranty of 13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14 GNU General Public License for more details. 15 16 You should have received a copy of the GNU General Public License along 17 with this program; if not, write to the Free Software Foundation, 18 Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ 19 20#ifndef _LIBC 21# include <config.h> 22#endif 23 24/* Get specification. */ 25#include <string.h> 26 27#include <stdlib.h> 28 29#undef __strdup 30#ifdef _LIBC 31# undef strdup 32#endif 33 34#ifndef weak_alias 35# define __strdup strdup 36#endif 37 38/* Duplicate S, returning an identical malloc'd string. */ 39char * 40__strdup (const char *s) 41{ 42 size_t len = strlen (s) + 1; 43 void *new = malloc (len); 44 45 if (new == NULL) 46 return NULL; 47 48 return (char *) memcpy (new, s, len); 49} 50#ifdef libc_hidden_def 51libc_hidden_def (__strdup) 52#endif 53#ifdef weak_alias 54weak_alias (__strdup, strdup) 55#endif 56