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authorDimitri Staessens <[email protected]>2022-03-26 09:39:49 +0100
committerSander Vrijders <[email protected]>2022-03-30 15:05:05 +0200
commit63dde087796bfcd730508b069ebae7c79b7cebe8 (patch)
treee5e338b9583d023c5895ed0d3a20b679fae76ddf /src/lib/shm_rdrbuff.c
parent0b45e1e5363f61febc7033f1b9bda14689c88644 (diff)
downloadouroboros-63dde087796bfcd730508b069ebae7c79b7cebe8.tar.gz
ouroboros-63dde087796bfcd730508b069ebae7c79b7cebe8.zip
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 <[email protected]> Signed-off-by: Sander Vrijders <[email protected]>
Diffstat (limited to 'src/lib/shm_rdrbuff.c')
-rw-r--r--src/lib/shm_rdrbuff.c7
1 files changed, 7 insertions, 0 deletions
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)
{