libstdc++-v3/testsuite/21_strings/c_strings/char/1.cc

   1 // 2001-04-02  Benjamin Kosnik  <bkoz@redhat.com>
   2
   3 // Copyright (C) 2001-2024 Free Software Foundation, Inc.
   4 //
   5 // This file is part of the GNU ISO C++ Library.  This library is free
   6 // software; you can redistribute it and/or modify it under the
   7 // terms of the GNU General Public License as published by the
   8 // Free Software Foundation; either version 3, or (at your option)
   9 // any later version.
  10
  11 // This 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
  14 // GNU General Public License for more details.
  15
  16 // You should have received a copy of the GNU General Public License along
  17 // with this library; see the file COPYING3.  If not see
  18 // <http://www.gnu.org/licenses/>.
  19
  20 // 21.4: null-terminiated sequence utilities
  21
  22 #include <string>
  23 #include <cstring>
  24
  25 void test01()
  26 {
  27   char c = 'a';
  28   const char cc = 'b';
  29   char* c1 = &c;
  30   const char* cc1 = &cc;
  31   const char* ccarray1 = "san francisco roof garden inspectors";
  32   const char* ccarray2 = "san francisco sunny-day park inspectors";
  33   char carray[50];
  34   std::strcpy(carray, ccarray1);
  35   void* v = carray;
  36   const void* cv = ccarray1;
  37
  38   // const char* strchr(const char* s, int c);
  39   // char* strchr(char* s, int c);
  40   cc1 = std::strchr(ccarray1, 'c');
  41   c1 = std::strchr(carray, 'c');
  42
  43   // const char* strpbrk(const char* s1, const char* s2);
  44   // char* strpbrk(char* s1, const char* s2);
  45   cc1 = std::strpbrk(ccarray1, ccarray2);
  46   c1 = std::strpbrk(carray, ccarray2);
  47
  48   // const char* strrchr(const char* s, int c);
  49   // char* strrchr(char* s, int c);
  50   cc1 = std::strrchr(ccarray1, 'c');
  51   c1 = std::strrchr(carray, 'c');
  52
  53   // const char* strstr(const char* s1, const char* s2);
  54   // char* strstr(char* s1, const char* s2);
  55   cc1 = std::strstr(ccarray1, ccarray2);
  56   c1 = std::strstr(carray, carray);
  57
  58   // const void* memchr(const void* s, int c, size_t n);
  59   // void* memchr(      void* s, int c, size_t n);
  60   cv = std::memchr(cv, 'a', 3);
  61   v = std::memchr(v, 'a', 3);
  62
  63   cc1 = cc1; // Suppress unused warnings.
  64   c1 = c1;
  65 }
  66
  67 int main()
  68 {
  69   test01();
  70   return 0;
  71 }