X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/d7c429142df39ccb1e8a4f68c4e2bb0ab7c2083a..008a56c968ed7e0694e32e93c2dbf95dde2ba5c8:/src/common/imagjpeg.cpp?ds=sidebyside

diff --git a/src/common/imagjpeg.cpp b/src/common/imagjpeg.cpp
index 23c5e7aa36..c2525bae43 100644
--- a/src/common/imagjpeg.cpp
+++ b/src/common/imagjpeg.cpp
@@ -378,9 +378,10 @@ bool wxJPEGHandler::DoCanRead( wxInputStream& stream )
 {
     unsigned char hdr[2];
 
-    stream.Read(hdr, 2);
-    stream.SeekI(-2, wxFromCurrent);
-    return (hdr[0] == 0xFF && hdr[1] == 0xD8);
+    if ( !stream.Read(hdr, WXSIZEOF(hdr)) )
+        return FALSE;
+
+    return hdr[0] == 0xFF && hdr[1] == 0xD8;
 }
 
 #endif   // wxUSE_STREAMS