]> git.saurik.com Git - bison.git/blame - lib/strndup.c
* src/output.c (output): Delete call to reader_output_yylsp.
[bison.git] / lib / strndup.c
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1/* Copyright (C) 1996, 1997, 1998, 2000 Free Software Foundation, Inc.
2
3 NOTE: The canonical source of this file is maintained with the GNU C Library.
4 Bugs can be reported to bug-glibc@prep.ai.mit.edu.
5
6 This program is free software; you can redistribute it and/or modify it
7 under the terms of the GNU General Public License as published by the
8 Free Software Foundation; either version 2, or (at your option) any
9 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
17 along 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#include <stdio.h>
25#include <sys/types.h>
26
27#if defined _LIBC || defined STDC_HEADERS
28# include <stdlib.h>
29# include <string.h>
30#else
31char *malloc ();
32#endif
33
34#ifndef HAVE_DECL_STRNLEN
35"this configure-time declaration test was not run"
36#endif
37#if !HAVE_DECL_STRNLEN
38size_t strnlen ();
39#endif
40
41#undef __strndup
42#undef strndup
43
44#ifndef weak_alias
45# define __strndup strndup
46#endif
47
48char *
49__strndup (const char *s, size_t n)
50{
51 size_t len = strnlen (s, n);
52 char *new = malloc (len + 1);
53
54 if (new == NULL)
55 return NULL;
56
57 new[len] = '\0';
58 return (char *) memcpy (new, s, len);
59}
60#ifdef weak_alias
61weak_alias (__strndup, strndup)
62#endif