posix/util: add stat wrappers

CMakeLists.txt

@@ -91,6 +91,8 @@ list (
     posix/except.hpp
     posix/fd.cpp
     posix/fd.hpp
+    posix/util.cpp
+    posix/util.hpp
 )
 
 

posix/util.cpp

@@ -0,0 +1,65 @@
+/*
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * Copyright 2017 Danny Robson <danny@nerdcruft.net>
+ */
+
+#include "util.hpp"
+
+#include "fd.hpp"
+
+#include "except.hpp"
+
+
+///////////////////////////////////////////////////////////////////////////////
+struct ::stat
+cruft::posix::stat (char const *path)
+{
+    struct stat buffer;
+    error::try_call (::stat, path, &buffer);
+    return buffer;
+}
+
+
+//-----------------------------------------------------------------------------
+struct ::stat
+cruft::posix::stat (std::filesystem::path const &path)
+{
+    return stat (path.u8string ().c_str ());
+}
+
+
+///////////////////////////////////////////////////////////////////////////////
+struct ::stat
+cruft::posix::fstat (int src)
+{
+    struct stat buffer;
+    error::try_call (::fstat, src, &buffer);
+    return buffer;
+}
+
+
+//-----------------------------------------------------------------------------
+struct ::stat
+cruft::posix::fstat (fd const &src)
+{
+    return fstat (src.native ());
+}
+
+
+//-----------------------------------------------------------------------------
+struct ::stat
+cruft::posix::stat (int src)
+{
+    return fstat (src);
+}
+
+
+//-----------------------------------------------------------------------------
+struct ::stat
+cruft::posix::stat (fd const &src)
+{
+    return fstat (src);
+}

posix/util.hpp

@@ -0,0 +1,26 @@
+/*
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * Copyright 2017 Danny Robson <danny@nerdcruft.net>
+ */
+
+#pragma once
+
+#include "fwd.hpp"
+
+#include <filesystem>
+
+#include <sys/stat.h>
+
+namespace cruft::posix {
+    struct stat stat (char const *path);
+    struct stat stat (std::filesystem::path const&);
+
+    struct stat fstat (int);
+    struct stat fstat (fd const&);
+
+    struct stat stat (int);
+    struct stat stat (fd const&);
+}