| /* Copyright (C) 1991-2018 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/>. */ |
| |
| #include <string.h> |
| |
| #undef strncpy |
| |
| #ifndef STRNCPY |
| #define STRNCPY strncpy |
| #endif |
| |
| char * |
| STRNCPY (char *s1, const char *s2, size_t n) |
| { |
| size_t size = __strnlen (s2, n); |
| if (size != n) |
| memset (s1 + size, '\0', n - size); |
| return memcpy (s1, s2, size); |
| } |
| libc_hidden_builtin_def (strncpy) |
