Nikolay Sivov : dwrite: Always initialize output glyph count in GetGlyphs().

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 1b10b88d32c65716d071bdb46d4a46cf8460cecd
URL:    https://source.winehq.org/git/wine.git/?a=commit;h=1b10b88d32c65716d071bdb46d4a46cf8460cecd

Author: Nikolay Sivov <nsivov at codeweavers.com>
Date:   Tue Feb 16 14:54:10 2021 +0300

dwrite: Always initialize output glyph count in GetGlyphs().

Signed-off-by: Nikolay Sivov <nsivov at codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard at winehq.org>

---

 dlls/dwrite/analyzer.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/dlls/dwrite/analyzer.c b/dlls/dwrite/analyzer.c
index 53fb18df4c9..d0d769cb346 100644
--- a/dlls/dwrite/analyzer.c
+++ b/dlls/dwrite/analyzer.c
@@ -1188,6 +1188,8 @@ static HRESULT WINAPI dwritetextanalyzer_GetGlyphs(IDWriteTextAnalyzer2 *iface,
     context.glyph_infos = heap_calloc(glyph_count, sizeof(*context.glyph_infos));
     context.table = &context.cache->gsub;
 
+    *actual_glyph_count = 0;
+
     scriptprops = &dwritescripts_properties[context.script];
     hr = shape_get_glyphs(&context, scriptprops->scripttags);
     if (SUCCEEDED(hr))