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authorMax Kellermann <max@duempel.org>2015-02-28 21:49:06 +0100
committerMax Kellermann <max@duempel.org>2015-02-28 23:00:26 +0100
commitd09b8b5bd74919f0d1d70399ad0d3da3544bc588 (patch)
treef0d160ccf06f713538788144ccf50a990414b478 /src/fs
parentee327db51739fc6a183b5258afcffd11e308609b (diff)
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fs/FileInfo: use GetFileAttributesEx() on WIN32
Diffstat (limited to 'src/fs')
-rw-r--r--src/fs/FileInfo.hxx50
1 files changed, 49 insertions, 1 deletions
diff --git a/src/fs/FileInfo.hxx b/src/fs/FileInfo.hxx
index 6fe24cb90..3805d3ef0 100644
--- a/src/fs/FileInfo.hxx
+++ b/src/fs/FileInfo.hxx
@@ -25,7 +25,29 @@
#include "util/Error.hxx"
#include <stdint.h>
+
+#ifdef WIN32
+#include <fileapi.h>
+#else
#include <sys/stat.h>
+#endif
+
+#ifdef WIN32
+
+static inline constexpr uint64_t
+ConstructUint64(DWORD lo, DWORD hi)
+{
+ return uint64_t(lo) | (uint64_t(hi) << 32);
+}
+
+static constexpr time_t
+FileTimeToTimeT(FILETIME ft)
+{
+ return (ConstructUint64(ft.dwLowDateTime, ft.dwHighDateTime)
+ - 116444736000000000) / 10000000;
+}
+
+#endif
class FileInfo {
friend bool GetFileInfo(Path path, FileInfo &info,
@@ -33,23 +55,43 @@ class FileInfo {
friend bool GetFileInfo(Path path, FileInfo &info,
Error &error);
+#ifdef WIN32
+ WIN32_FILE_ATTRIBUTE_DATA data;
+#else
struct stat st;
+#endif
public:
bool IsRegular() const {
+#ifdef WIN32
+ return data.dwFileAttributes & FILE_ATTRIBUTE_NORMAL;
+#else
return S_ISREG(st.st_mode);
+#endif
}
bool IsDirectory() const {
+#ifdef WIN32
+ return data.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY;
+#else
return S_ISDIR(st.st_mode);
+#endif
}
uint64_t GetSize() const {
+#ifdef WIN32
+ return ConstructUint64(data.nFileSizeLow, data.nFileSizeHigh);
+#else
return st.st_size;
+#endif
}
time_t GetModificationTime() const {
+#ifdef WIN32
+ return FileTimeToTimeT(data.ftLastWriteTime);
+#else
return st.st_mtime;
+#endif
}
#ifndef WIN32
@@ -76,7 +118,8 @@ GetFileInfo(Path path, FileInfo &info, bool follow_symlinks=true)
{
#ifdef WIN32
(void)follow_symlinks;
- return stat(path.c_str(), &info.st) == 0;
+ return GetFileAttributesEx(path.c_str(), GetFileExInfoStandard,
+ &info.data);
#else
int ret = follow_symlinks
? stat(path.c_str(), &info.st)
@@ -91,7 +134,12 @@ GetFileInfo(Path path, FileInfo &info, bool follow_symlinks, Error &error)
bool success = GetFileInfo(path, info, follow_symlinks);
if (!success) {
const auto path_utf8 = path.ToUTF8();
+#ifdef WIN32
+ error.FormatLastError("Failed to access %s",
+ path_utf8.c_str());
+#else
error.FormatErrno("Failed to access %s", path_utf8.c_str());
+#endif
}
return success;