diff options
Diffstat (limited to 'src/lib/shm_rdrbuff.c')
| -rw-r--r-- | src/lib/shm_rdrbuff.c | 22 |
1 files changed, 13 insertions, 9 deletions
diff --git a/src/lib/shm_rdrbuff.c b/src/lib/shm_rdrbuff.c index a3333a35..2853d5bb 100644 --- a/src/lib/shm_rdrbuff.c +++ b/src/lib/shm_rdrbuff.c @@ -602,8 +602,6 @@ uint8_t * shm_du_buff_tail(struct shm_du_buff * sdb) uint8_t * shm_du_buff_head_alloc(struct shm_du_buff * sdb, size_t size) { - uint8_t * buf = NULL; - assert(sdb); if (sdb->du_head < size) @@ -611,15 +609,13 @@ uint8_t * shm_du_buff_head_alloc(struct shm_du_buff * sdb, sdb->du_head -= size; - buf = (uint8_t *) (sdb + 1) + sdb->du_head; - - return buf; + return (uint8_t *) (sdb + 1) + sdb->du_head; } uint8_t * shm_du_buff_tail_alloc(struct shm_du_buff * sdb, size_t size) { - uint8_t * buf = NULL; + uint8_t * buf; assert(sdb); @@ -633,22 +629,30 @@ uint8_t * shm_du_buff_tail_alloc(struct shm_du_buff * sdb, return buf; } -void shm_du_buff_head_release(struct shm_du_buff * sdb, - size_t size) +uint8_t * shm_du_buff_head_release(struct shm_du_buff * sdb, + size_t size) { + uint8_t * buf; + assert(sdb); assert(!(size > sdb->du_tail - sdb->du_head)); + buf = (uint8_t *) (sdb + 1) + sdb->du_head; + sdb->du_head += size; + + return buf; } -void shm_du_buff_tail_release(struct shm_du_buff * sdb, +uint8_t * shm_du_buff_tail_release(struct shm_du_buff * sdb, size_t size) { assert(sdb); assert(!(size > sdb->du_tail - sdb->du_head)); sdb->du_tail -= size; + + return (uint8_t *) (sdb + 1) + sdb->du_tail; } void shm_du_buff_truncate(struct shm_du_buff * sdb, |