Revert "Windows: Use a customized struct stat that also has the st_blocks member."

This reverts commit fc2ded5b.

As we do not need the member in struct stat, we do not need to have a
custom "struct mingw_stat" anymore.
Signed-off-by: NJohannes Sixt <johannes.sixt@telecom.at>
Signed-off-by: NJunio C Hamano <gitster@pobox.com>

compat/mingw.c

@@ -52,9 +52,10 @@ static int do_lstat(const char *file_name, struct stat *buf)
 		buf->st_ino = 0;
 		buf->st_gid = 0;
 		buf->st_uid = 0;
+		buf->st_nlink = 1;
 		buf->st_mode = fMode;
 		buf->st_size = fdata.nFileSizeLow; /* Can't use nFileSizeHigh, since it's not a stat64 */
-		buf->st_dev = _getdrive() - 1;
+		buf->st_dev = buf->st_rdev = (_getdrive() - 1);
 		buf->st_atime = filetime_to_time_t(&(fdata.ftLastAccessTime));
 		buf->st_mtime = filetime_to_time_t(&(fdata.ftLastWriteTime));
 		buf->st_ctime = filetime_to_time_t(&(fdata.ftCreationTime));
@@ -88,7 +89,7 @@ static int do_lstat(const char *file_name, struct stat *buf)
  * complete. Note that Git stat()s are redirected to mingw_lstat()
  * too, since Windows doesn't really handle symlinks that well.
  */
-int mingw_lstat(const char *file_name, struct mingw_stat *buf)
+int mingw_lstat(const char *file_name, struct stat *buf)
 {
 	int namelen;
 	static char alt_name[PATH_MAX];
@@ -116,8 +117,7 @@ int mingw_lstat(const char *file_name, struct mingw_stat *buf)
 }
 
 #undef fstat
-#undef stat
-int mingw_fstat(int fd, struct mingw_stat *buf)
+int mingw_fstat(int fd, struct stat *buf)
 {
 	HANDLE fh = (HANDLE)_get_osfhandle(fd);
 	BY_HANDLE_FILE_INFORMATION fdata;
@@ -127,21 +127,8 @@ int mingw_fstat(int fd, struct mingw_stat *buf)
 		return -1;
 	}
 	/* direct non-file handles to MS's fstat() */
-	if (GetFileType(fh) != FILE_TYPE_DISK) {
-		struct stat st;
-		if (fstat(fd, &st))
-			return -1;
-		buf->st_ino = st.st_ino;
-		buf->st_gid = st.st_gid;
-		buf->st_uid = st.st_uid;
-		buf->st_mode = st.st_mode;
-		buf->st_size = st.st_size;
-		buf->st_dev = st.st_dev;
-		buf->st_atime = st.st_atime;
-		buf->st_mtime = st.st_mtime;
-		buf->st_ctime = st.st_ctime;
-		return 0;
-	}
+	if (GetFileType(fh) != FILE_TYPE_DISK)
+		return fstat(fd, buf);
 
 	if (GetFileInformationByHandle(fh, &fdata)) {
 		int fMode = S_IREAD;
@@ -155,9 +142,10 @@ int mingw_fstat(int fd, struct mingw_stat *buf)
 		buf->st_ino = 0;
 		buf->st_gid = 0;
 		buf->st_uid = 0;
+		buf->st_nlink = 1;
 		buf->st_mode = fMode;
 		buf->st_size = fdata.nFileSizeLow; /* Can't use nFileSizeHigh, since it's not a stat64 */
-		buf->st_dev = _getdrive() - 1;
+		buf->st_dev = buf->st_rdev = (_getdrive() - 1);
 		buf->st_atime = filetime_to_time_t(&(fdata.ftLastAccessTime));
 		buf->st_mtime = filetime_to_time_t(&(fdata.ftLastWriteTime));
 		buf->st_ctime = filetime_to_time_t(&(fdata.ftCreationTime));

compat/mingw.h

@@ -162,21 +162,12 @@ int mingw_rename(const char*, const char*);
 
 /* Use mingw_lstat() instead of lstat()/stat() and
  * mingw_fstat() instead of fstat() on Windows.
- * struct stat is redefined because it lacks the st_blocks member.
  */
-struct mingw_stat {
-	unsigned st_mode;
-	time_t st_mtime, st_atime, st_ctime;
-	unsigned st_dev, st_ino, st_uid, st_gid;
-	size_t st_size;
-};
-int mingw_lstat(const char *file_name, struct mingw_stat *buf);
-int mingw_fstat(int fd, struct mingw_stat *buf);
+int mingw_lstat(const char *file_name, struct stat *buf);
+int mingw_fstat(int fd, struct stat *buf);
 #define fstat mingw_fstat
 #define lstat mingw_lstat
-#define stat mingw_stat
-static inline int mingw_stat(const char *file_name, struct mingw_stat *buf)
-{ return mingw_lstat(file_name, buf); }
+#define stat(x,y) mingw_lstat(x,y)
 
 int mingw_utime(const char *file_name, const struct utimbuf *times);
 #define utime mingw_utime