| xf.li | bdd93d5 | 2023-05-12 07:10:14 -0700 | [diff] [blame] | 1 | /* Copyright (C) 1991-2016 Free Software Foundation, Inc. |
| 2 | This file is part of the GNU C Library. |
| 3 | |
| 4 | The GNU C Library is free software; you can redistribute it and/or |
| 5 | modify it under the terms of the GNU Lesser General Public |
| 6 | License as published by the Free Software Foundation; either |
| 7 | version 2.1 of the License, or (at your option) any later version. |
| 8 | |
| 9 | The GNU C Library is distributed in the hope that it will be useful, |
| 10 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 12 | Lesser General Public License for more details. |
| 13 | |
| 14 | You should have received a copy of the GNU Lesser General Public |
| 15 | License along with the GNU C Library; if not, see |
| 16 | <http://www.gnu.org/licenses/>. */ |
| 17 | |
| 18 | #include <string.h> |
| 19 | |
| 20 | #undef strncpy |
| 21 | |
| 22 | #ifndef STRNCPY |
| 23 | #define STRNCPY strncpy |
| 24 | #endif |
| 25 | |
| 26 | char * |
| 27 | STRNCPY (char *s1, const char *s2, size_t n) |
| 28 | { |
| 29 | size_t size = __strnlen (s2, n); |
| 30 | if (size != n) |
| 31 | memset (s1 + size, '\0', n - size); |
| 32 | return memcpy (s1, s2, size); |
| 33 | } |
| 34 | libc_hidden_builtin_def (strncpy) |