From 7c928f726d68d925a0f5f6fe8843ebee7738963f Mon Sep 17 00:00:00 2001 From: Jonathan Wakely Date: Fri, 11 Sep 2015 15:20:32 +0100 Subject: [PATCH] Fix filesystem::canonical on Solaris 10. PR libstdc++/67173 * src/filesystem/ops.cc (filesystem::canonical): Allocate buffer for realpath on Solaris 10. From-SVN: r227689 --- libstdc++-v3/ChangeLog | 4 ++++ libstdc++-v3/src/filesystem/ops.cc | 7 ++++++- 2 files changed, 10 insertions(+), 1 deletion(-) diff --git a/libstdc++-v3/ChangeLog b/libstdc++-v3/ChangeLog index b4618effe80..d425f495196 100644 --- a/libstdc++-v3/ChangeLog +++ b/libstdc++-v3/ChangeLog @@ -1,5 +1,9 @@ 2015-09-11 Jonathan Wakely + PR libstdc++/67173 + * src/filesystem/ops.cc (filesystem::canonical): Allocate buffer for + realpath on Solaris 10. + PR libstdc++/65142 * src/c++11/random.cc (random_device::_M_getval()): Check read result. diff --git a/libstdc++-v3/src/filesystem/ops.cc b/libstdc++-v3/src/filesystem/ops.cc index 661685aa04a..cefb927c6a5 100644 --- a/libstdc++-v3/src/filesystem/ops.cc +++ b/libstdc++-v3/src/filesystem/ops.cc @@ -28,6 +28,7 @@ #include #include #include +#include // PATH_MAX #ifdef _GLIBCXX_HAVE_UNISTD_H # include # if defined(_GLIBCXX_HAVE_SYS_STAT_H) && defined(_GLIBCXX_HAVE_SYS_TYPES_H) @@ -97,7 +98,11 @@ fs::canonical(const path& p, const path& base, error_code& ec) { path can; #ifdef _GLIBCXX_USE_REALPATH - if (char_ptr rp = char_ptr{::realpath(absolute(p, base).c_str(), nullptr)}) + char* buffer = nullptr; +#if defined(__SunOS_5_10) && defined(PATH_MAX) + buffer = (char*)::malloc(PATH_MAX); +#endif + if (char_ptr rp = char_ptr{::realpath(absolute(p, base).c_str(), buffer)}) { can.assign(rp.get()); ec.clear(); -- 2.30.2