// 2003-02-06 Petur Runolfsson // Copyright (C) 2003, 2004, 2005, 2006, 2007, 2009 Free Software Foundation // // This file is part of the GNU ISO C++ Library. This library is free // software; you can redistribute it and/or modify it under the // terms of the GNU General Public License as published by the // Free Software Foundation; either version 3, or (at your option) // any later version. // This library is distributed in the hope that it will be useful, // but WITHOUT ANY WARRANTY; without even the implied warranty of // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the // GNU General Public License for more details. // You should have received a copy of the GNU General Public License along // with this library; see the file COPYING3. If not see // . // 22.2.1.5 - Template class codecvt [lib.locale.codecvt] #include #include #include // Need to explicitly set the state(mbstate_t) to zero. // How to do this is not specified by the ISO C99 standard, so we // might need to add some operators to make the intuiative case // work: // w_codecvt::state_type state00; // state00 = 0; // or, can use this explicit "C" initialization: // w_codecvt::state_type state01 = {0, 0}; // .. except Ulrich says: Use memset. Always use memset. Feel the force... void zero_state(std::mbstate_t& state) { std::memset(&state, 0, sizeof(std::mbstate_t)); } // Required instantiation // codecvt // // Test handling of '\0' characters in input // libstdc++/9246 void test05() { using namespace std; typedef codecvt w_codecvt; typedef codecvt_base::result result; typedef wchar_t int_type; typedef char ext_type; typedef char_traits ext_traits; bool test __attribute__((unused)) = true; const ext_type e_lit[] = { '\0', '\0', 'f', '\0' }; const int_type i_lit[] = { L'\0', L'\0', L'f', L'\0' }; const int_type* ifrom_next; int size = sizeof(e_lit); ext_type* e_arr = new ext_type[size + 1]; ext_type* e_ref = new ext_type[size + 1]; memset(e_arr, 0xf0, size + 1); memset(e_ref, 0xf0, size + 1); ext_type* eto_next; locale loc; const w_codecvt* cvt = &use_facet(loc); // out w_codecvt::state_type state02; zero_state(state02); result r2 = cvt->out(state02, i_lit, i_lit + size, ifrom_next, e_arr, e_arr + size, eto_next); VERIFY( r2 == codecvt_base::ok ); VERIFY( ifrom_next == i_lit + size ); VERIFY( eto_next == e_arr + size ); VERIFY( !ext_traits::compare(e_arr, e_lit, size) ); VERIFY( !ext_traits::compare(eto_next, e_ref, 1) ); delete [] e_arr; delete [] e_ref; } int main () { test05(); return 0; }