1 /* Copyright (C) 1991, 1996-1998, 2002-2004, 2006-2007, 2009-2012 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 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, see <http://www.gnu.org/licenses/>. */ 18 19 #ifndef _LIBC 20 # include <config.h> 21 #endif 22 23 /* Get specification. */ 24 #include <string.h> 25 26 #include <stdlib.h> 27 28 #undef __strdup 29 #ifdef _LIBC 30 # undef strdup 31 #endif 32 33 #ifndef weak_alias 34 # define __strdup strdup 35 #endif 36 37 /* Duplicate S, returning an identical malloc'd string. */ 38 char * 39 __strdup (const char *s) 40 { 41 size_t len = strlen (s) + 1; 42 void *new = malloc (len); 43 44 if (new == NULL) 45 return NULL; 46 47 return (char *) memcpy (new, s, len); 48 } 49 #ifdef libc_hidden_def 50 libc_hidden_def (__strdup) 51 #endif 52 #ifdef weak_alias 53 weak_alias (__strdup, strdup) 54 #endif 55
