string/test-strcspn.c

   1 /* Test and measure strcspn functions.
   2    Copyright (C) 1999-2015 Free Software Foundation, Inc.
   3    This file is part of the GNU C Library.
   4    Written by Jakub Jelinek <jakub@redhat.com>, 1999.
   5
   6    The GNU C Library is free software; you can redistribute it and/or
   7    modify it under the terms of the GNU Lesser General Public
   8    License as published by the Free Software Foundation; either
   9    version 2.1 of the License, or (at your option) any later version.
  10
  11    The GNU C Library is distributed in the hope that it will be useful,
  12    but WITHOUT ANY WARRANTY; without even the implied warranty of
  13    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14    Lesser General Public License for more details.
  15
  16    You should have received a copy of the GNU Lesser General Public
  17    License along with the GNU C Library; if not, see
  18    <http://www.gnu.org/licenses/>.  */
  19
  20 #define STRPBRK_RESULT(s, pos) (pos)
  21 #define RES_TYPE size_t
  22 #define TEST_MAIN
  23 #define TEST_NAME "strcspn"
  24 #include "test-string.h"
  25
  26 typedef size_t (*proto_t) (const char *, const char *);
  27 size_t simple_strcspn (const char *, const char *);
  28 size_t stupid_strcspn (const char *, const char *);
  29
  30 IMPL (stupid_strcspn, 0)
  31 IMPL (simple_strcspn, 0)
  32 IMPL (strcspn, 1)
  33
  34 size_t
  35 simple_strcspn (const char *s, const char *rej)
  36 {
  37   const char *r, *str = s;
  38   char c;
  39
  40   while ((c = *s++) != '\0')
  41     for (r = rej; *r != '\0'; ++r)
  42       if (*r == c)
  43         return s - str - 1;
  44   return s - str - 1;
  45 }
  46
  47 size_t
  48 stupid_strcspn (const char *s, const char *rej)
  49 {
  50   size_t ns = strlen (s), nrej = strlen (rej);
  51   size_t i, j;
  52
  53   for (i = 0; i < ns; ++i)
  54     for (j = 0; j < nrej; ++j)
  55       if (s[i] == rej[j])
  56         return i;
  57   return i;
  58 }
  59
  60 #include "test-strpbrk.c"