From 63dde087796bfcd730508b069ebae7c79b7cebe8 Mon Sep 17 00:00:00 2001 From: Dimitri Staessens Date: Sat, 26 Mar 2022 09:39:49 +0100 Subject: lib: Refactor reading packet from rbuff Reading packets from the rbuff and checking their validity (non-zero size, pass crc check, pass decryption) is now extracted into a function. Also adds a function to get the length of an sdu_du_buff instead of subtracting the tail and head pointers. Signed-off-by: Dimitri Staessens Signed-off-by: Sander Vrijders --- src/lib/shm_rdrbuff.c | 7 +++++++ 1 file changed, 7 insertions(+) (limited to 'src/lib/shm_rdrbuff.c') diff --git a/src/lib/shm_rdrbuff.c b/src/lib/shm_rdrbuff.c index dfa45af6..e283388f 100644 --- a/src/lib/shm_rdrbuff.c +++ b/src/lib/shm_rdrbuff.c @@ -532,6 +532,13 @@ uint8_t * shm_du_buff_tail(struct shm_du_buff * sdb) return (uint8_t *) (sdb + 1) + sdb->du_tail; } +size_t shm_du_buff_len(struct shm_du_buff * sdb) +{ + assert(sdb); + + return sdb->du_tail - sdb->du_head; +} + uint8_t * shm_du_buff_head_alloc(struct shm_du_buff * sdb, size_t size) { -- cgit v1.2.3