benchtests/bench-strcspn.c

   1 /* Measure strcspn functions.
   2    Copyright (C) 2013-2018 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    <http://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 STRCSPN strcspn
  31 # define CHAR char
  32 # define SIMPLE_STRCSPN simple_strcspn
  33 # define STUPID_STRCSPN stupid_strcspn
  34 # define STRLEN strlen
  35 #else
  36 # include <wchar.h>
  37 # define STRCSPN wcscspn
  38 # define CHAR wchar_t
  39 # define SIMPLE_STRCSPN simple_wcscspn
  40 # define STUPID_STRCSPN stupid_wcscspn
  41 # define STRLEN wcslen
  42 #endif /* WIDE */
  43
  44 typedef size_t (*proto_t) (const CHAR *, const CHAR *);
  45 size_t SIMPLE_STRCSPN (const CHAR *, const CHAR *);
  46 size_t STUPID_STRCSPN (const CHAR *, const CHAR *);
  47
  48 IMPL (STUPID_STRCSPN, 0)
  49 IMPL (SIMPLE_STRCSPN, 0)
  50 IMPL (STRCSPN, 1)
  51
  52 size_t
  53 SIMPLE_STRCSPN (const CHAR *s, const CHAR *rej)
  54 {
  55   const CHAR *r, *str = s;
  56   CHAR c;
  57
  58   while ((c = *s++) != '\0')
  59     for (r = rej; *r != '\0'; ++r)
  60       if (*r == c)
  61         return s - str - 1;
  62   return s - str - 1;
  63 }
  64
  65 size_t
  66 STUPID_STRCSPN (const CHAR *s, const CHAR *rej)
  67 {
  68   size_t ns = STRLEN (s), nrej = STRLEN (rej);
  69   size_t i, j;
  70
  71   for (i = 0; i < ns; ++i)
  72     for (j = 0; j < nrej; ++j)
  73       if (s[i] == rej[j])
  74         return i;
  75   return i;
  76 }
  77
  78 #undef CHAR
  79 #undef STRLEN
  80 #include "bench-strpbrk.c"