Erich E. Hoover : msvcrt: Fix scanf file locking when returning EOF.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 925a88d1f701da76974eb967fd799152b25d6613
URL:    https://source.winehq.org/git/wine.git/?a=commit;h=925a88d1f701da76974eb967f...

Author: Erich E. Hoover 
Date:   Wed Nov 13 14:52:51 2019 -0700

msvcrt: Fix scanf file locking when returning EOF.

Fixes regression introduced in 0a89a699135802b083d142130d3b0ef618485478.

Wine-Bug: https://bugs.winehq.org/show_bug.cgi?id=48087
Signed-off-by: Erich E. Hoover 
Signed-off-by: Piotr Caban 
Signed-off-by: Alexandre Julliard

---

dlls/msvcrt/scanf.h | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/dlls/msvcrt/scanf.h b/dlls/msvcrt/scanf.h
index e2f216110d..de2a2af975 100644
--- a/dlls/msvcrt/scanf.h
+++ b/dlls/msvcrt/scanf.h
@@ -489,6 +489,7 @@ _FUNCTION_ {
                     }
                     /* if we have reached the EOF and output nothing then report EOF */
                     if (nch==_EOF_ && rd==0 && st==0) {
+                        _UNLOCK_FILE_(file);
                         return _EOF_RET;
                     }
                     /* terminate */
@@ -524,6 +525,7 @@ _FUNCTION_ {
 #if _MSVCR_VER >= 80
                     /* if we have reached the EOF and output nothing then report EOF */
                     if (nch==_EOF_ && rd==0 && st==0) {
+                        _UNLOCK_FILE_(file);
                         return _EOF_RET;
                     }
 #endif