| 1 | /* Copyright (C) 1991, 1996, 1997, 1998, 2002, 2003, 2004 Free Software | 
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| 2 | Foundation, Inc. | 
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| 3 |  | 
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| 4 | This file is part of the GNU C Library. | 
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| 5 |  | 
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| 6 | This program is free software; you can redistribute it and/or modify | 
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| 7 | it under the terms of the GNU General Public License as published by | 
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| 8 | the Free Software Foundation; either version 2, or (at your option) | 
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| 9 | any later version. | 
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| 10 |  | 
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| 11 | This program is distributed in the hope that it will be useful, | 
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| 12 | but WITHOUT ANY WARRANTY; without even the implied warranty of | 
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| 13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the | 
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| 14 | GNU General Public License for more details. | 
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| 15 |  | 
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| 16 | You should have received a copy of the GNU General Public License along | 
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| 17 | with this program; if not, write to the Free Software Foundation, | 
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| 18 | Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */ | 
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| 19 |  | 
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| 20 | #ifdef HAVE_CONFIG_H | 
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| 21 | # include <config.h> | 
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| 22 | #endif | 
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| 23 |  | 
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| 24 | #ifndef _LIBC | 
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| 25 | /* Get specification.  */ | 
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| 26 | # include "strdup.h" | 
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| 27 | #endif | 
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| 28 |  | 
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| 29 | #include <stdlib.h> | 
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| 30 | #include <string.h> | 
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| 31 |  | 
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| 32 | #undef __strdup | 
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| 33 | #undef strdup | 
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| 34 |  | 
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| 35 | #ifndef weak_alias | 
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| 36 | # define __strdup strdup | 
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| 37 | #endif | 
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| 38 |  | 
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| 39 | /* Duplicate S, returning an identical malloc'd string.  */ | 
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| 40 | char * | 
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| 41 | __strdup (const char *s) | 
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| 42 | { | 
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| 43 | size_t len = strlen (s) + 1; | 
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| 44 | void *new = malloc (len); | 
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| 45 |  | 
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| 46 | if (new == NULL) | 
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| 47 | return NULL; | 
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| 48 |  | 
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| 49 | return (char *) memcpy (new, s, len); | 
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| 50 | } | 
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| 51 | #ifdef libc_hidden_def | 
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| 52 | libc_hidden_def (__strdup) | 
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| 53 | #endif | 
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| 54 | #ifdef weak_alias | 
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| 55 | weak_alias (__strdup, strdup) | 
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| 56 | #endif | 
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