diff options
| author | Tim-Philipp Müller <tim.muller@collabora.co.uk> | 2009-08-20 01:39:17 +0100 |
|---|---|---|
| committer | Tim-Philipp Müller <tim.muller@collabora.co.uk> | 2009-09-24 16:28:40 +0100 |
| commit | 9da3ed6491693f2a227bcfa10f1598f1f7fad22f (patch) | |
| tree | 4d6da583fce338bfc37f610576096487594252d7 /gst/qtdemux/qtatomparser.h | |
| parent | a16feec38ece90d629634a813eaf2b056e7d646e (diff) | |
qtdemux: add qt_atom_parse_has_remaining() to avoid overflows with _get_remaining()
Diffstat (limited to 'gst/qtdemux/qtatomparser.h')
| -rw-r--r-- | gst/qtdemux/qtatomparser.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/gst/qtdemux/qtatomparser.h b/gst/qtdemux/qtatomparser.h index ce32b980..7669ec0f 100644 --- a/gst/qtdemux/qtatomparser.h +++ b/gst/qtdemux/qtatomparser.h @@ -39,6 +39,13 @@ qt_atom_parser_get_remaining (QtAtomParser * parser) } static inline gboolean +qt_atom_parser_has_remaining (QtAtomParser * parser, guint64 min_remaining) +{ + return G_LIKELY (parser->size >= min_remaining) && + G_LIKELY ((parser->size - min_remaining) >= parser->byte); +} + +static inline gboolean qt_atom_parser_skip (QtAtomParser * parser, guint nbytes) { if (G_UNLIKELY (qt_atom_parser_get_remaining (parser) < nbytes)) |