diff options
Diffstat (limited to 'libstdc++-v3')
-rw-r--r-- | libstdc++-v3/ChangeLog | 10 | ||||
-rw-r--r-- | libstdc++-v3/include/std/bitset | 20 | ||||
-rw-r--r-- | libstdc++-v3/testsuite/23_containers/bitset/cons/2.cc | 46 |
3 files changed, 76 insertions, 0 deletions
diff --git a/libstdc++-v3/ChangeLog b/libstdc++-v3/ChangeLog index ad2d892c83a..333a51f7d14 100644 --- a/libstdc++-v3/ChangeLog +++ b/libstdc++-v3/ChangeLog @@ -1,3 +1,13 @@ +2009-12-24 Edward Smith-Rowland <3dw4rd@verizon.net> + Paolo Carlini <paolo.carlini@oracle.com> + + * include/std/bitset (bitset<>::bitset(const char*)): Add. + +2009-12-24 Jonathan Wakely <jwakely.gcc@gmail.com> + Edward Smith-Rowland <3dw4rd@verizon.net> + + * testsuite/23_containers/bitset/cons/2.cc: New. + 2009-12-24 Jonathan Wakely <jwakely.gcc@gmail.com> * include/std/functional (bind): Avoid invalid instantiations diff --git a/libstdc++-v3/include/std/bitset b/libstdc++-v3/include/std/bitset index 131fe56de2d..3aee5c08974 100644 --- a/libstdc++-v3/include/std/bitset +++ b/libstdc++-v3/include/std/bitset @@ -798,6 +798,26 @@ _GLIBCXX_BEGIN_NESTED_NAMESPACE(std, _GLIBCXX_STD_D) _M_copy_from_string(__s, __position, __n, __zero, __one); } +#ifdef __GXX_EXPERIMENTAL_CXX0X__ + /** + * @brief Construct from a string. + * @param str A string of '0' and '1' characters. + * @throw std::invalid_argument If a character appears in the string + * which is neither '0' nor '1'. + */ + explicit + bitset(const char* __str) + : _Base() + { + if (!__str) + __throw_logic_error(__N("bitset::bitset(const char*)")); + + const size_t __len = __builtin_strlen(__str); + _M_copy_from_ptr<char, std::char_traits<char>>(__str, __len, 0, + __len, '0', '1'); + } +#endif + // 23.3.5.2 bitset operations: //@{ /** diff --git a/libstdc++-v3/testsuite/23_containers/bitset/cons/2.cc b/libstdc++-v3/testsuite/23_containers/bitset/cons/2.cc new file mode 100644 index 00000000000..a1b9c649c9d --- /dev/null +++ b/libstdc++-v3/testsuite/23_containers/bitset/cons/2.cc @@ -0,0 +1,46 @@ +// { dg-options "-std=gnu++0x" } + +// Copyright (C) 2009 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 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 +// <http://www.gnu.org/licenses/>. + +#include <bitset> +#include <string> +#include <testsuite_hooks.h> + +struct X +{ + operator const char*() { return "10101010"; } +}; + +void +test01() +{ + bool test __attribute__((unused)) = true; + + X x; + std::string s(x); + std::bitset<32> b1(x); + std::bitset<32> b2(s); + VERIFY( b1 == b2 ); +} + +int +main() +{ + test01(); + return 0; +} |