整理

include/boost/nowide/stat.hpp

@@ -0,0 +1,69 @@
+//
+// Copyright (c) 2020 Alexander Grund
+//
+// Distributed under the Boost Software License, Version 1.0.
+// https://www.boost.org/LICENSE_1_0.txt
+
+#ifndef BOOST_NOWIDE_STAT_HPP_INCLUDED
+#define BOOST_NOWIDE_STAT_HPP_INCLUDED
+
+#include <boost/nowide/config.hpp>
+#include <sys/types.h>
+// Include after sys/types.h
+#include <sys/stat.h>
+
+#if defined(__MINGW32__) && defined(__MSVCRT_VERSION__) && __MSVCRT_VERSION__ < 0x0601
+/// Forward declaration in case MinGW32 is used and __MSVCRT_VERSION__ is defined lower than 6.1
+struct __stat64;
+#endif
+
+namespace boost {
+namespace nowide {
+#if !defined(BOOST_WINDOWS) && !defined(BOOST_NOWIDE_DOXYGEN)
+    // Note: `using x = struct ::stat` causes a bogus warning in GCC < 11
+    // https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66159
+
+    typedef struct ::stat stat_t;
+    typedef struct ::stat posix_stat_t;
+
+    using ::stat;
+#else
+    /// \brief Typedef for the file info structure.
+    /// Able to hold 64 bit file size and timestamps on Windows and usually also on other 64 Bit systems
+    /// This allows to write portable code with optional LFS support
+    typedef struct ::__stat64 stat_t;
+    /// \brief Typedef for the file info structure used in the POSIX stat call
+    /// Resolves to `struct _stat` on Windows and `struct stat` otherwise
+    /// This allows to write portable code using the default stat function
+    typedef struct ::_stat posix_stat_t;
+
+    /// \cond INTERNAL
+    namespace detail {
+        BOOST_NOWIDE_DECL int stat(const char* path, stat_t* buffer, size_t buffer_size);
+        BOOST_NOWIDE_DECL int stat(const char* path, posix_stat_t* buffer, size_t buffer_size);
+    } // namespace detail
+    /// \endcond
+
+    ///
+    /// \brief UTF-8 aware stat function, returns 0 on success
+    ///
+    /// Return information about a file from an UTF-8 encoded path
+    ///
+    inline int stat(const char* path, stat_t* buffer)
+    {
+        return detail::stat(path, buffer, sizeof(*buffer));
+    }
+    ///
+    /// \brief UTF-8 aware stat function, returns 0 on success
+    ///
+    /// Return information about a file from an UTF-8 encoded path
+    ///
+    inline int stat(const char* path, posix_stat_t* buffer)
+    {
+        return detail::stat(path, buffer, sizeof(*buffer));
+    }
+#endif
+} // namespace nowide
+} // namespace boost
+
+#endif