| | 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 |
| | 31 | char *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 |
| | 38 | size_t strnlen (); |
| | 39 | #endif |
| | 40 | |
| | 41 | #undef __strndup |
| | 42 | #undef strndup |
| | 43 | |
| | 44 | #ifndef weak_alias |
| | 45 | # define __strndup strndup |
| | 46 | #endif |
| | 47 | |
| | 48 | char * |
| | 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 |
| | 61 | weak_alias (__strndup, strndup) |
| | 62 | #endif |
projects / bison.git / blame_incremental