[PATCH 1/1] gdiplus: Use FILE_SHARE_READ in GdipPrivateAddFontFile().

[Florian Will]

From: Florian Will

ZusiDisplay sometimes loads the same font file into two different
PrivateFontCollections using two threads, so there is a race condition
when the file is opened without the FILE_SHARE_READ sharing mode. The
second call to GdipPrivateAddFontFile() might fail if the first one
hasn't closed the file handle yet.
---
 dlls/gdiplus/font.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/dlls/gdiplus/font.c b/dlls/gdiplus/font.c
index 96d3c5630bc..bcf36a60090 100644
--- a/dlls/gdiplus/font.c
+++ b/dlls/gdiplus/font.c
@@ -1110,7 +1110,7 @@ GpStatus WINGDIPAPI GdipPrivateAddFontFile(GpFontCollection *collection, GDIPCON

if (!collection || !name) return InvalidParameter;

-    file = CreateFileW(name, GENERIC_READ, 0, NULL, OPEN_EXISTING, 0, NULL);
+    file = CreateFileW(name, GENERIC_READ, FILE_SHARE_READ, NULL, OPEN_EXISTING, 0, NULL);
     if (file == INVALID_HANDLE_VALUE) return InvalidParameter;

if (!GetFileSizeEx(file, &size) || size.u.HighPart)