From 9b514243613cffd2bdef5c49fe613d5b640a8411 Mon Sep 17 00:00:00 2001 From: Christophe Massiot Date: Mon, 27 Apr 2015 12:37:38 +0200 Subject: [PATCH] add descs_validate_desc --- mpeg/psi/descriptors.h | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/mpeg/psi/descriptors.h b/mpeg/psi/descriptors.h index bb1d4fb..ff472be 100644 --- a/mpeg/psi/descriptors.h +++ b/mpeg/psi/descriptors.h @@ -189,6 +189,14 @@ static inline uint8_t *descs_get_desc(uint8_t *p_descs, uint16_t n) descs_get_length(p_descs), n); } +static inline bool descs_validate_desc(const uint8_t *p_descs, + const uint8_t *p_desc, + uint8_t i_desclength) +{ + uint16_t i_descs_length = descs_get_length(p_descs); + return (p_desc + i_desclength <= p_descs + i_descs_length); +} + static inline bool descs_validate(const uint8_t *p_descs) { return descl_validate(p_descs + DESCS_HEADER_SIZE,