string: Improve generic strnlen with memchr
[glibc.git] / sysdeps / s390 / strnlen-c.c
blob95156a0ff55ba9010aedc239132d276c00a64ce7
1 /* Default strnlen implementation for S/390.
2 Copyright (C) 2015-2023 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
5 The GNU C Library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Lesser General Public
7 License as published by the Free Software Foundation; either
8 version 2.1 of the License, or (at your option) any later version.
10 The GNU C Library 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
16 License along with the GNU C Library; if not, see
17 <https://www.gnu.org/licenses/>. */
19 #include <ifunc-strnlen.h>
21 #if HAVE_STRNLEN_C
22 # if HAVE_STRNLEN_IFUNC
23 # define STRNLEN STRNLEN_C
24 # endif
26 # include <string/strnlen.c>
28 # if HAVE_STRNLEN_IFUNC
29 # if defined SHARED && IS_IN (libc)
30 __hidden_ver1 (__strnlen_c, __GI_strnlen, __strnlen_c);
31 strong_alias (__strnlen_c, __strnlen_c_1);
32 __hidden_ver1 (__strnlen_c_1, __GI___strnlen, __strnlen_c_1);
33 # endif
34 # endif
36 #endif