Akihiro Sagawa : cmd: DIR command outputs free space for the path.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 322c175cf0291d5c8543e0662a55082d0e53d001
URL:    https://gitlab.winehq.org/wine/wine/-/commit/322c175cf0291d5c8543e0662a55082...

Author: Akihiro Sagawa 
Date:   Fri Aug 18 12:51:54 2023 +0900

cmd: DIR command outputs free space for the path.

When the path contains a mountpoint on Unix or a junction point to
another drive on Windows, cmd.exe should show free space for the
path instead of the root of the drive.

---

programs/cmd/directory.c | 20 +++++++++-----------
 1 file changed, 9 insertions(+), 11 deletions(-)

diff --git a/programs/cmd/directory.c b/programs/cmd/directory.c
index b9b8656fd70..6efcbb3a841 100644
--- a/programs/cmd/directory.c
+++ b/programs/cmd/directory.c
@@ -503,16 +503,14 @@ static DIRECTORY_STACK *WCMD_list_directory (DIRECTORY_STACK *inputparms, int le
 /*****************************************************************************
  * WCMD_dir_trailer
  *
- * Print out the trailer for the supplied drive letter
+ * Print out the trailer for the supplied path
  */
-static void WCMD_dir_trailer(WCHAR drive) {
-    ULARGE_INTEGER avail, total, freebytes;
-    DWORD status;
-    WCHAR driveName[] = L"c:\";
-
-    driveName[0] = drive;
-    status = GetDiskFreeSpaceExW(driveName, &avail, &total, &freebytes);
-    WINE_TRACE("Writing trailer for '%s' gave %ld(%ld)\n", wine_dbgstr_w(driveName),
+static void WCMD_dir_trailer(const WCHAR *path) {
+    ULARGE_INTEGER freebytes;
+    BOOL status;
+
+    status = GetDiskFreeSpaceExW(path, NULL, NULL, &freebytes);
+    WINE_TRACE("Writing trailer for '%s' gave %d(%ld)\n", wine_dbgstr_w(path),
                status, GetLastError());

if (errorlevel==0 && !bare) {
@@ -828,7 +826,7 @@ void WCMD_directory (WCHAR *args)
       /* Trailer Information */
       if (lastDrive != '?') {
         trailerReqd = FALSE;
-        WCMD_dir_trailer(prevEntry->dirName[0]);
+        WCMD_dir_trailer(prevEntry->dirName);
       }

lastDrive = towupper(thisEntry->dirName[0]);
@@ -858,7 +856,7 @@ void WCMD_directory (WCHAR *args)

/* Trailer Information */
   if (trailerReqd) {
-    WCMD_dir_trailer(prevEntry->dirName[0]);
+    WCMD_dir_trailer(prevEntry->dirName);
   }

exit: