diff options
author | Karen Arutyunov <karen@codesynthesis.com> | 2017-05-01 16:08:43 +0300 |
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committer | Karen Arutyunov <karen@codesynthesis.com> | 2017-05-01 16:59:24 +0300 |
commit | 61377c582e0f2675baa5f5e6e30a35d1a4164b33 (patch) | |
tree | 11cdca992834d7f7f197f72856712fbcb3020e3d /libbutl/win32-utility.cxx | |
parent | 442c1a6790e52baa0c081f310d4d9e9b6f1ff638 (diff) |
Add hxx extension for headers and lib prefix for library dir
Diffstat (limited to 'libbutl/win32-utility.cxx')
-rw-r--r-- | libbutl/win32-utility.cxx | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/libbutl/win32-utility.cxx b/libbutl/win32-utility.cxx new file mode 100644 index 0000000..c16f8cc --- /dev/null +++ b/libbutl/win32-utility.cxx @@ -0,0 +1,54 @@ +// file : libbutl/win32-utility.cxx -*- C++ -*- +// copyright : Copyright (c) 2014-2017 Code Synthesis Ltd +// license : MIT; see accompanying LICENSE file + +#include <libbutl/win32-utility.hxx> + +// Note that while we exclude it from the buildfile-based builds, we still +// need these guards for build2 bootstrap. +// +#ifdef _WIN32 + +#include <memory> // unique_ptr + +using namespace std; + +namespace butl +{ + namespace win32 + { + struct msg_deleter + { + void operator() (char* p) const {LocalFree (p);} + }; + + string + error_msg (DWORD code) + { + char* msg; + if (!FormatMessageA ( + FORMAT_MESSAGE_ALLOCATE_BUFFER | + FORMAT_MESSAGE_FROM_SYSTEM | + FORMAT_MESSAGE_IGNORE_INSERTS | + FORMAT_MESSAGE_MAX_WIDTH_MASK, + 0, + code, + MAKELANGID (LANG_NEUTRAL, SUBLANG_DEFAULT), + (char*)&msg, + 0, + 0)) + return "unknown error code " + to_string (code); + + unique_ptr<char, msg_deleter> m (msg); + return msg; + } + + string + last_error_msg () + { + return error_msg (GetLastError ()); + } + } +} + +#endif // _WIN32 |