diff --git a/libstdc++-v3/ChangeLog b/libstdc++-v3/ChangeLog index 67cb99602c2..cd87d948487 100644 --- a/libstdc++-v3/ChangeLog +++ b/libstdc++-v3/ChangeLog @@ -1,3 +1,10 @@ +2013-07-22 Paolo Carlini + + PR c++/57920 + * src/c++11/random.cc (random_device::_M_getval): If possible, use + read instead of std::fread. + * include/std/random: Do not include unnecessarily. + 2013-07-21 Tim Shen Partially implement regex_search. diff --git a/libstdc++-v3/include/std/random b/libstdc++-v3/include/std/random index ceb38252cd9..84b176154b9 100644 --- a/libstdc++-v3/include/std/random +++ b/libstdc++-v3/include/std/random @@ -36,7 +36,6 @@ #else #include -#include #include #include #include diff --git a/libstdc++-v3/src/c++11/random.cc b/libstdc++-v3/src/c++11/random.cc index 2bd713260a2..1646786882a 100644 --- a/libstdc++-v3/src/c++11/random.cc +++ b/libstdc++-v3/src/c++11/random.cc @@ -30,6 +30,11 @@ # include #endif +#include + +#ifdef _GLIBCXX_HAVE_UNISTD_H +# include +#endif namespace std _GLIBCXX_VISIBILITY(default) { @@ -126,8 +131,12 @@ namespace std _GLIBCXX_VISIBILITY(default) #endif result_type __ret; +#ifdef _GLIBCXX_HAVE_UNISTD_H + read(fileno(_M_file), reinterpret_cast(&__ret), sizeof(result_type)); +#else std::fread(reinterpret_cast(&__ret), sizeof(result_type), 1, _M_file); +#endif return __ret; }