1 /* Measure memrchr functions.
2 Copyright (C) 2013-2022 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
4
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.
9
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.
14
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/>. */
18
19 #define TEST_MAIN
20 #define TEST_NAME "memrchr"
21 #include "bench-string.h"
22
23 typedef char *(*proto_t) (const char *, int, size_t);
24 char *simple_memrchr (const char *, int, size_t);
25
26 IMPL (simple_memrchr, 0)
27 IMPL (memrchr, 1)
28
29 char *
simple_memrchr(const char * s,int c,size_t n)30 simple_memrchr (const char *s, int c, size_t n)
31 {
32 s = s + n;
33 while (n--)
34 if (*--s == (char) c)
35 return (char *) s;
36 return NULL;
37 }
38
39 #define USE_AS_MEMRCHR
40 #include "bench-memchr.c"
41