fchmod-tests, fchmodat tests, lchmod tests: Add more tests.
[gnulib.git] / lib / strncat.c
blob8c9d74c94cde759f595c64ce88698416516dc78b
1 /* Concatenate strings.
2 Copyright (C) 1999, 2002, 2006, 2010-2021 Free Software Foundation, Inc.
3 Written by Bruno Haible <bruno@clisp.org>, 2002.
5 This program is free software: you can redistribute it and/or modify it
6 under the terms of the GNU Lesser General Public License as published
7 by the Free Software Foundation; either version 3 of the License, or
8 (at your option) any later version.
10 This program is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Lesser General Public License for more details.
15 You should have received a copy of the GNU Lesser General Public License
16 along with this program. If not, see <https://www.gnu.org/licenses/>. */
18 #include <config.h>
20 /* Specification. */
21 #include <string.h>
23 char *
24 strncat (char *dest, const char *src, size_t n)
26 char *destptr = dest + strlen (dest);
28 for (; n > 0 && (*destptr = *src) != '\0'; src++, destptr++, n--)
30 if (n == 0)
31 *destptr = '\0';
32 return dest;