1 /* Copyright (C) 1991, 1996, 1997, 1998, 2002, 2003, 2004 Free Software 2 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 2, 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ 19 20 #ifdef HAVE_CONFIG_H 21 # include <config.h> 22 #endif 23 24 #ifndef _LIBC 25 /* Get specification. */ 26 # include "strdup.h" 27 #endif 28 29 #include <stdlib.h> 30 #include <string.h> 31 32 #undef __strdup 33 #undef strdup 34 35 #ifndef weak_alias 36 # define __strdup strdup 37 #endif 38 39 /* Duplicate S, returning an identical malloc'd string. */ 40 char * 41 __strdup (const char *s) 42 { 43 size_t len = strlen (s) + 1; 44 void *new = malloc (len); 45 46 if (new == NULL) 47 return NULL; 48 49 return (char *) memcpy (new, s, len); 50 } 51 #ifdef libc_hidden_def 52 libc_hidden_def (__strdup) 53 #endif 54 #ifdef weak_alias 55 weak_alias (__strdup, strdup) 56 #endif 57