diff options
| -rw-r--r-- | src/gui/image/qpnghandler.cpp | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/src/gui/image/qpnghandler.cpp b/src/gui/image/qpnghandler.cpp index a4d669b..1a78bae 100644 --- a/src/gui/image/qpnghandler.cpp +++ b/src/gui/image/qpnghandler.cpp @@ -156,10 +156,11 @@ void CALLBACK_CALL_TYPE iod_read_fn(png_structp png_ptr, png_bytep data, png_siz QPngHandlerPrivate *d = (QPngHandlerPrivate *)png_get_io_ptr(png_ptr); QIODevice *in = d->q->device(); - if (d->state == QPngHandlerPrivate::ReadingEnd && in->atEnd() && length == 4) { + if (d->state == QPngHandlerPrivate::ReadingEnd && !in->isSequential() && (in->size() - in->pos()) < 4 && length == 4) { // Workaround for certain malformed PNGs that lack the final crc bytes uchar endcrc[4] = { 0xae, 0x42, 0x60, 0x82 }; qMemCopy(data, endcrc, 4); + in->seek(in->size()); return; } |