| 1 | /* Copyright (C) 1996, 1997, 1998, 2001, 2002 Free Software Foundation, Inc.
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| 2 | This file is part of the GNU C Library.
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| 3 |
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| 4 | The GNU C Library is free software; you can redistribute it and/or
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| 5 | modify it under the terms of the GNU Lesser General Public
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| 6 | License as published by the Free Software Foundation; either
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| 7 | version 2.1 of the License, or (at your option) any later version.
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| 8 |
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| 9 | The GNU C Library is distributed in the hope that it will be useful,
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| 10 | but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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| 12 | Lesser General Public License for more details.
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| 13 |
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| 14 | You should have received a copy of the GNU Lesser General Public
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| 15 | License along with the GNU C Library; if not, write to the Free
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| 16 | Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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| 17 | 02111-1307 USA. */
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| 18 |
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| 19 | #ifdef __EMX__
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| 20 | #include "libc-alias-glibc.h"
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| 21 | #endif
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| 22 | #ifdef HAVE_CONFIG_H
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| 23 | # include "config.h"
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| 24 | #endif
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| 25 |
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| 26 | #include <stdio.h>
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| 27 | #include <sys/types.h>
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| 28 |
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| 29 | #if defined _LIBC || defined STDC_HEADERS
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| 30 | # include <stdlib.h>
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| 31 | # include <string.h>
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| 32 | #else
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| 33 | char *malloc ();
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| 34 | #endif
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| 35 |
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| 36 | #undef __strndup
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| 37 | #undef strndup
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| 38 |
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| 39 | #ifndef weak_alias
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| 40 | # define __strndup strndup
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| 41 | #endif
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| 42 |
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| 43 | char *
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| 44 | __strndup (s, n)
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| 45 | const char *s;
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| 46 | size_t n;
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| 47 | {
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| 48 | size_t len = __strnlen (s, n);
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| 49 | char *new = (char *) malloc (len + 1);
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| 50 |
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| 51 | if (new == NULL)
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| 52 | return NULL;
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| 53 |
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| 54 | new[len] = '\0';
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| 55 | return (char *) memcpy (new, s, len);
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| 56 | }
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| 57 | #ifdef libc_hidden_def
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| 58 | libc_hidden_def (__strndup)
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| 59 | #endif
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| 60 | #ifdef weak_alias
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| 61 | weak_alias (__strndup, strndup)
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| 62 | #endif
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