win32: avoid use of uninitialised metadata in stat(2)

When additional metadata was being fetched the code for non-disk
files used uninitialised data from the BY_HANDLE_FILE_INFORMATION
structure.

1 files changed, 8 insertions, 2 deletions

diff --git a/win32/mingw.c b/win32/mingw.c
index 5cfba22f7..74cf56934 100644
--- a/win32/mingw.c
+++ b/win32/mingw.c
@@ -534,6 +534,11 @@ int mingw_fstat(int fd, struct mingw_stat *buf)
                 buf->st_mtime = buf64.st_mtime;
                 buf->st_ctime = buf64.st_ctime;
                 buf->st_blocks = ((buf64.st_size+4095)>>12)<<3;
+#if ENABLE_FEATURE_EXTRA_FILE_DATA
+                buf->st_dev = 0;
+                buf->st_ino = 0;
+                buf->st_nlink = S_ISDIR(buf->st_mode) ? 2 : 1;
+#endif
                 goto success;
         }
 
@@ -545,13 +550,14 @@ int mingw_fstat(int fd, struct mingw_stat *buf)
                 buf->st_mtime = filetime_to_time_t(&(fdata.ftLastWriteTime));
                 buf->st_ctime = filetime_to_time_t(&(fdata.ftCreationTime));
                 buf->st_blocks = ((buf->st_size+4095)>>12)<<3;
- success:
 #if ENABLE_FEATURE_EXTRA_FILE_DATA
                 buf->st_dev = fdata.dwVolumeSerialNumber;
                 buf->st_ino = fdata.nFileIndexLow |
                         (((uint64_t)fdata.nFileIndexHigh)<<32);
                 buf->st_nlink = S_ISDIR(buf->st_mode) ? 2 : fdata.nNumberOfLinks;
-#else
+#endif
+ success:
+#if !ENABLE_FEATURE_EXTRA_FILE_DATA
                 buf->st_dev = 0;
                 buf->st_ino = 0;
                 buf->st_nlink = S_ISDIR(buf->st_mode) ? 2 : 1;