strdup.c revision 05436638acc7c010349a69c3395f1a57c642dc62
105436638acc7c010349a69c3395f1a57c642dc62Ying Wang/* Copyright (C) 1991, 1996-1998, 2002-2004, 2006-2007, 2009-2012 Free Software 2cea198a11f15a2eb071d98491ca9a8bc8cebfbc4The Android Open Source Project Foundation, Inc. 3cea198a11f15a2eb071d98491ca9a8bc8cebfbc4The Android Open Source Project 4cea198a11f15a2eb071d98491ca9a8bc8cebfbc4The Android Open Source Project This file is part of the GNU C Library. 5cea198a11f15a2eb071d98491ca9a8bc8cebfbc4The Android Open Source Project 6cea198a11f15a2eb071d98491ca9a8bc8cebfbc4The Android Open Source Project This program is free software; you can redistribute it and/or modify 7cea198a11f15a2eb071d98491ca9a8bc8cebfbc4The Android Open Source Project it under the terms of the GNU General Public License as published by 805436638acc7c010349a69c3395f1a57c642dc62Ying Wang the Free Software Foundation; either version 3, or (at your option) 9cea198a11f15a2eb071d98491ca9a8bc8cebfbc4The Android Open Source Project any later version. 10cea198a11f15a2eb071d98491ca9a8bc8cebfbc4The Android Open Source Project 11cea198a11f15a2eb071d98491ca9a8bc8cebfbc4The Android Open Source Project This program is distributed in the hope that it will be useful, 12cea198a11f15a2eb071d98491ca9a8bc8cebfbc4The Android Open Source Project but WITHOUT ANY WARRANTY; without even the implied warranty of 13cea198a11f15a2eb071d98491ca9a8bc8cebfbc4The Android Open Source Project MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14cea198a11f15a2eb071d98491ca9a8bc8cebfbc4The Android Open Source Project GNU General Public License for more details. 15cea198a11f15a2eb071d98491ca9a8bc8cebfbc4The Android Open Source Project 16cea198a11f15a2eb071d98491ca9a8bc8cebfbc4The Android Open Source Project You should have received a copy of the GNU General Public License along 1705436638acc7c010349a69c3395f1a57c642dc62Ying Wang with this program; if not, see <http://www.gnu.org/licenses/>. */ 18cea198a11f15a2eb071d98491ca9a8bc8cebfbc4The Android Open Source Project 1905436638acc7c010349a69c3395f1a57c642dc62Ying Wang#ifndef _LIBC 20cea198a11f15a2eb071d98491ca9a8bc8cebfbc4The Android Open Source Project# include <config.h> 21cea198a11f15a2eb071d98491ca9a8bc8cebfbc4The Android Open Source Project#endif 22cea198a11f15a2eb071d98491ca9a8bc8cebfbc4The Android Open Source Project 23cea198a11f15a2eb071d98491ca9a8bc8cebfbc4The Android Open Source Project/* Get specification. */ 2405436638acc7c010349a69c3395f1a57c642dc62Ying Wang#include <string.h> 25cea198a11f15a2eb071d98491ca9a8bc8cebfbc4The Android Open Source Project 26cea198a11f15a2eb071d98491ca9a8bc8cebfbc4The Android Open Source Project#include <stdlib.h> 27cea198a11f15a2eb071d98491ca9a8bc8cebfbc4The Android Open Source Project 28cea198a11f15a2eb071d98491ca9a8bc8cebfbc4The Android Open Source Project#undef __strdup 2905436638acc7c010349a69c3395f1a57c642dc62Ying Wang#ifdef _LIBC 3005436638acc7c010349a69c3395f1a57c642dc62Ying Wang# undef strdup 3105436638acc7c010349a69c3395f1a57c642dc62Ying Wang#endif 32cea198a11f15a2eb071d98491ca9a8bc8cebfbc4The Android Open Source Project 33cea198a11f15a2eb071d98491ca9a8bc8cebfbc4The Android Open Source Project#ifndef weak_alias 34cea198a11f15a2eb071d98491ca9a8bc8cebfbc4The Android Open Source Project# define __strdup strdup 35cea198a11f15a2eb071d98491ca9a8bc8cebfbc4The Android Open Source Project#endif 36cea198a11f15a2eb071d98491ca9a8bc8cebfbc4The Android Open Source Project 37cea198a11f15a2eb071d98491ca9a8bc8cebfbc4The Android Open Source Project/* Duplicate S, returning an identical malloc'd string. */ 38cea198a11f15a2eb071d98491ca9a8bc8cebfbc4The Android Open Source Projectchar * 39cea198a11f15a2eb071d98491ca9a8bc8cebfbc4The Android Open Source Project__strdup (const char *s) 40cea198a11f15a2eb071d98491ca9a8bc8cebfbc4The Android Open Source Project{ 41cea198a11f15a2eb071d98491ca9a8bc8cebfbc4The Android Open Source Project size_t len = strlen (s) + 1; 42cea198a11f15a2eb071d98491ca9a8bc8cebfbc4The Android Open Source Project void *new = malloc (len); 43cea198a11f15a2eb071d98491ca9a8bc8cebfbc4The Android Open Source Project 44cea198a11f15a2eb071d98491ca9a8bc8cebfbc4The Android Open Source Project if (new == NULL) 45cea198a11f15a2eb071d98491ca9a8bc8cebfbc4The Android Open Source Project return NULL; 46cea198a11f15a2eb071d98491ca9a8bc8cebfbc4The Android Open Source Project 47cea198a11f15a2eb071d98491ca9a8bc8cebfbc4The Android Open Source Project return (char *) memcpy (new, s, len); 48cea198a11f15a2eb071d98491ca9a8bc8cebfbc4The Android Open Source Project} 49cea198a11f15a2eb071d98491ca9a8bc8cebfbc4The Android Open Source Project#ifdef libc_hidden_def 50cea198a11f15a2eb071d98491ca9a8bc8cebfbc4The Android Open Source Projectlibc_hidden_def (__strdup) 51cea198a11f15a2eb071d98491ca9a8bc8cebfbc4The Android Open Source Project#endif 52cea198a11f15a2eb071d98491ca9a8bc8cebfbc4The Android Open Source Project#ifdef weak_alias 53cea198a11f15a2eb071d98491ca9a8bc8cebfbc4The Android Open Source Projectweak_alias (__strdup, strdup) 54cea198a11f15a2eb071d98491ca9a8bc8cebfbc4The Android Open Source Project#endif 55