mirror of
https://sourceware.org/git/glibc.git
synced 2024-12-23 11:20:07 +00:00
57 lines
1.4 KiB
C
57 lines
1.4 KiB
C
/* Copyright (C) 1996-2016 Free Software Foundation, Inc.
|
|
This file is part of the GNU C Library.
|
|
|
|
The GNU C Library is free software; you can redistribute it and/or
|
|
modify it under the terms of the GNU Lesser General Public
|
|
License as published by the Free Software Foundation; either
|
|
version 2.1 of the License, or (at your option) any later version.
|
|
|
|
The GNU C Library is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
Lesser General Public License for more details.
|
|
|
|
You should have received a copy of the GNU Lesser General Public
|
|
License along with the GNU C Library; if not, see
|
|
<http://www.gnu.org/licenses/>. */
|
|
|
|
#ifdef HAVE_CONFIG_H
|
|
# include "config.h"
|
|
#endif
|
|
|
|
#include <stdio.h>
|
|
#include <sys/types.h>
|
|
|
|
#if defined _LIBC || defined STDC_HEADERS
|
|
# include <stdlib.h>
|
|
# include <string.h>
|
|
#else
|
|
char *malloc ();
|
|
#endif
|
|
|
|
#undef __strndup
|
|
#undef strndup
|
|
|
|
#ifndef weak_alias
|
|
# define __strndup strndup
|
|
#endif
|
|
|
|
char *
|
|
__strndup (const char *s, size_t n)
|
|
{
|
|
size_t len = __strnlen (s, n);
|
|
char *new = (char *) malloc (len + 1);
|
|
|
|
if (new == NULL)
|
|
return NULL;
|
|
|
|
new[len] = '\0';
|
|
return (char *) memcpy (new, s, len);
|
|
}
|
|
#ifdef libc_hidden_def
|
|
libc_hidden_def (__strndup)
|
|
#endif
|
|
#ifdef weak_alias
|
|
weak_alias (__strndup, strndup)
|
|
#endif
|