| // Copyright (C) 2005 Free Software Foundation, Inc. |
| // |
| // 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 2, 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 COPYING. If not, write to the Free |
| // Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, |
| // USA. |
| |
| // As a special exception, you may use this file as part of a free software |
| // library without restriction. Specifically, if other files instantiate |
| // templates or use macros or inline functions from this file, or you compile |
| // this file and link it with other files to produce an executable, this |
| // file does not by itself cause the resulting executable to be covered by |
| // the GNU General Public License. This exception does not however |
| // invalidate any other reasons why the executable file might be covered by |
| // the GNU General Public License. |
| |
| // 22.2.1.3.2 ctype<char> members |
| |
| #include <locale> |
| #include <testsuite_hooks.h> |
| |
| class Ctype1 |
| : public std::ctype<char> |
| { |
| protected: |
| const char* |
| do_narrow(const char* lo, const char* hi, |
| char, char* to) const |
| { |
| for (int i = 0; lo != hi; ++lo, ++to, ++i) |
| *to = *lo + i; |
| return hi; |
| } |
| }; |
| |
| class Ctype2 |
| : public std::ctype<char> |
| { |
| protected: |
| const char* |
| do_narrow(const char* lo, const char* hi, |
| char dflt, char* to) const |
| { |
| for (int i = 0; lo != hi; ++lo, ++to, ++i) |
| if (*lo == '\000') |
| *to = dflt; |
| else |
| *to = *lo; |
| return hi; |
| } |
| }; |
| |
| // libstdc++/19955 |
| void test01() |
| { |
| using namespace std; |
| bool test __attribute__((unused)) = true; |
| |
| const char src[] = "abcd"; |
| |
| locale mylocale1(locale::classic(), new Ctype1); |
| const ctype<char>& mc1 = use_facet<ctype<char> >(mylocale1); |
| |
| char dst1[sizeof(src)]; |
| memset(dst1, 0, sizeof(src)); |
| char dst2[sizeof(src)]; |
| memset(dst2, 0, sizeof(src)); |
| |
| mc1.narrow(src, src + sizeof(src), '*', dst1); |
| mc1.narrow(src, src + sizeof(src), '*', dst2); |
| |
| VERIFY( !memcmp(dst1, "aceg\004", 5) ); |
| VERIFY( !memcmp(dst1, dst2, 5) ); |
| |
| locale mylocale2(locale::classic(), new Ctype2); |
| const ctype<char>& mc2 = use_facet<ctype<char> >(mylocale2); |
| |
| char dst3[sizeof(src)]; |
| memset(dst3, 0, sizeof(src)); |
| char dst4[sizeof(src)]; |
| memset(dst4, 0, sizeof(src)); |
| |
| mc2.narrow(src, src + sizeof(src), '*', dst3); |
| mc2.narrow(src, src + sizeof(src), '*', dst4); |
| |
| VERIFY( !memcmp(dst3, "abcd*", 5) ); |
| VERIFY( !memcmp(dst3, dst4, 5) ); |
| } |
| |
| int main() |
| { |
| test01(); |
| return 0; |
| } |