diff options
| -rw-r--r-- | src/plugins/imageformats/jpeg/qjpeghandler.cpp | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/src/plugins/imageformats/jpeg/qjpeghandler.cpp b/src/plugins/imageformats/jpeg/qjpeghandler.cpp index 6cb93ad..98bd88f 100644 --- a/src/plugins/imageformats/jpeg/qjpeghandler.cpp +++ b/src/plugins/imageformats/jpeg/qjpeghandler.cpp @@ -1188,7 +1188,11 @@ bool QJpegHandler::canRead(QIODevice *device) return false; } - return device->peek(2) == "\xFF\xD8"; + char buffer[2]; + if (device->peek(buffer, 2) != 2) + return false; + + return uchar(buffer[0]) == 0xff && uchar(buffer[1]) == 0xd8; } bool QJpegHandler::read(QImage *image) |