benchtests/bench-strcspn.c

   1 /* Measure strcspn 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 STRPBRK_RESULT(s, pos) (pos)
  20 #define RES_TYPE size_t
  21 #define TEST_MAIN
  22 #ifndef WIDE
  23 # define TEST_NAME "strcspn"
  24 #else
  25 # define TEST_NAME "wcscspn"
  26 #endif /* WIDE */
  27 #include "bench-string.h"
  28
  29 #ifndef WIDE
  30 # define SIMPLE_STRCSPN simple_strcspn
  31 #else
  32 # define SIMPLE_STRCSPN simple_wcscspn
  33 #endif /* WIDE */
  34
  35 typedef size_t (*proto_t) (const CHAR *, const CHAR *);
  36 size_t SIMPLE_STRCSPN (const CHAR *, const CHAR *);
  37
  38 IMPL (SIMPLE_STRCSPN, 0)
  39 IMPL (STRCSPN, 1)
  40
  41 size_t
  42 SIMPLE_STRCSPN (const CHAR *s, const CHAR *rej)
  43 {
  44   const CHAR *r, *str = s;
  45   CHAR c;
  46
  47   while ((c = *s++) != '\0')
  48     for (r = rej; *r != '\0'; ++r)
  49       if (*r == c)
  50         return s - str - 1;
  51   return s - str - 1;
  52 }
  53
  54 #include "bench-strpbrk.c"