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f7a9f785 | 1 | /* Copyright (C) 1991-2016 Free Software Foundation, Inc. |
c84142e8 | 2 | This file is part of the GNU C Library. |
28f540f4 | 3 | |
c84142e8 | 4 | The GNU C Library is free software; you can redistribute it and/or |
41bdb6e2 AJ |
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. | |
28f540f4 | 8 | |
c84142e8 UD |
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 | |
41bdb6e2 | 12 | Lesser General Public License for more details. |
28f540f4 | 13 | |
41bdb6e2 | 14 | You should have received a copy of the GNU Lesser General Public |
59ba27a6 PE |
15 | License along with the GNU C Library; if not, see |
16 | <http://www.gnu.org/licenses/>. */ | |
28f540f4 | 17 | |
28f540f4 | 18 | #include <string.h> |
c84142e8 | 19 | |
99710781 | 20 | #ifndef STRNCAT |
f3cdd467 | 21 | # undef strncat |
99710781 LD |
22 | # define STRNCAT strncat |
23 | #endif | |
9a0a462c | 24 | |
28f540f4 | 25 | char * |
69f63097 | 26 | STRNCAT (char *s1, const char *s2, size_t n) |
28f540f4 | 27 | { |
28f540f4 RM |
28 | char *s = s1; |
29 | ||
30 | /* Find the end of S1. */ | |
e80514b5 | 31 | s1 += strlen (s1); |
28f540f4 | 32 | |
3eb38795 | 33 | size_t ss = __strnlen (s2, n); |
28f540f4 | 34 | |
3eb38795 OB |
35 | s1[ss] = '\0'; |
36 | memcpy (s1, s2, ss); | |
28f540f4 RM |
37 | |
38 | return s; | |
39 | } |