1// 2003-02-06 Petur Runolfsson <peturr02@ru.is> 2 3// Copyright (C) 2003 Free Software Foundation 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 2, 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 COPYING. If not, write to the Free 18// Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, 19// USA. 20 21// 22.2.1.5 - Template class codecvt [lib.locale.codecvt] 22 23#include <locale> 24#include <testsuite_hooks.h> 25 26// Need to explicitly set the state(mbstate_t) to zero. 27// How to do this is not specified by the ISO C99 standard, so we 28// might need to add some operators to make the intuiative case 29// work: 30// w_codecvt::state_type state00; 31// state00 = 0; 32// or, can use this explicit "C" initialization: 33// w_codecvt::state_type state01 = {0, 0}; 34// .. except Ulrich says: Use memset. Always use memset. Feel the force... 35void 36zero_state(std::mbstate_t& state) 37{ std::memset(&state, 0, sizeof(std::mbstate_t)); } 38 39// Required instantiation 40// codecvt<wchar_t, char, mbstate_t> 41// 42// Test handling of '\0' characters in input 43// libstdc++/9246 44void test05() 45{ 46 using namespace std; 47 typedef codecvt<wchar_t, char, mbstate_t> w_codecvt; 48 typedef codecvt_base::result result; 49 typedef wchar_t int_type; 50 typedef char ext_type; 51 typedef char_traits<char> ext_traits; 52 53 bool test __attribute__((unused)) = true; 54 const ext_type e_lit[] = { '\0', '\0', 'f', '\0' }; 55 const int_type i_lit[] = { L'\0', L'\0', L'f', L'\0' }; 56 const int_type* ifrom_next; 57 int size = sizeof(e_lit); 58 ext_type* e_arr = new ext_type[size + 1]; 59 ext_type* e_ref = new ext_type[size + 1]; 60 memset(e_arr, 0xf0, size + 1); 61 memset(e_ref, 0xf0, size + 1); 62 ext_type* eto_next; 63 64 locale loc; 65 const w_codecvt* cvt = &use_facet<w_codecvt>(loc); 66 67 // out 68 w_codecvt::state_type state02; 69 zero_state(state02); 70 result r2 = cvt->out(state02, i_lit, i_lit + size, ifrom_next, 71 e_arr, e_arr + size, eto_next); 72 VERIFY( r2 == codecvt_base::ok ); 73 VERIFY( ifrom_next == i_lit + size ); 74 VERIFY( eto_next == e_arr + size ); 75 VERIFY( !ext_traits::compare(e_arr, e_lit, size) ); 76 VERIFY( !ext_traits::compare(eto_next, e_ref, 1) ); 77 78 delete [] e_arr; 79 delete [] e_ref; 80} 81 82int main () 83{ 84 test05(); 85 return 0; 86} 87