windowscodecs: Use a smaller magic number to detect JPEG files.

219b987f · Vincent Povirk · Alexandre Julliard · 78e6287f · 219b987f
Commit 219b987f authored Oct 11, 2011 by Vincent Povirk Committed by Alexandre Julliard Oct 13, 2011
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regsvr.c dlls/windowscodecs/regsvr.c +2 -2

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--- a/dlls/windowscodecs/regsvr.c
+++ b/dlls/windowscodecs/regsvr.c
@@ -720,7 +720,7 @@ static struct decoder_pattern const ico_patterns[] = {
    {0}
 };

-static const BYTE jpeg_magic[] = {0xff, 0xd8, 0xff, 0xe0};
+static const BYTE jpeg_magic[] = {0xff, 0xd8};

 static GUID const * const jpeg_formats[] = {
    &GUID_WICPixelFormat24bppBGR,
@@ -730,7 +730,7 @@ static GUID const * const jpeg_formats[] = {
 };

 static struct decoder_pattern const jpeg_patterns[] = {
-    {4,0,jpeg_magic,mask_all,0},
+    {2,0,jpeg_magic,mask_all,0},
    {0}
 };