diff options
author | Ingo Albrecht <prom@berlin.ccc.de> | 2010-02-28 08:35:48 +0100 |
---|---|---|
committer | Harald Welte <laforge@gnumonks.org> | 2010-03-07 11:47:10 +0100 |
commit | d73784344053d8e12d302de53fee92c095de39e7 (patch) | |
tree | 157b8a5cecd9f24243495f8d9247a293436c4055 /src/shared/libosmocore/include | |
parent | 2fc7d9d001f470022c86edfa069c31c189c6d5c4 (diff) |
Buffer formatting and scanning functions.
Diffstat (limited to 'src/shared/libosmocore/include')
-rw-r--r-- | src/shared/libosmocore/include/osmocore/msgb.h | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/src/shared/libosmocore/include/osmocore/msgb.h b/src/shared/libosmocore/include/osmocore/msgb.h index 4f0c8c38..754918e1 100644 --- a/src/shared/libosmocore/include/osmocore/msgb.h +++ b/src/shared/libosmocore/include/osmocore/msgb.h @@ -98,6 +98,47 @@ static inline unsigned char *msgb_put(struct msgb *msgb, unsigned int len) msgb->len += len; return tmp; } +static inline void msgb_put_u8(struct msgb *msgb, uint8_t word) +{ + uint8_t *space = msgb_put(msgb, 1); + space[0] = word & 0xFF; +} +static inline void msgb_put_u16(struct msgb *msgb, uint16_t word) +{ + uint8_t *space = msgb_put(msgb, 2); + space[0] = word >> 8 & 0xFF; + space[1] = word & 0xFF; +} +static inline void msgb_put_u32(struct msgb *msgb, uint32_t word) +{ + uint8_t *space = msgb_put(msgb, 4); + space[0] = word >> 24 & 0xFF; + space[1] = word >> 16 & 0xFF; + space[2] = word >> 8 & 0xFF; + space[3] = word & 0xFF; +} +static inline unsigned char *msgb_get(struct msgb *msgb, unsigned int len) +{ + unsigned char *tmp = msgb->data; + msgb->data += len; + msgb->len -= len; + return tmp; +} +static inline uint8_t msgb_get_u8(struct msgb *msgb) +{ + uint8_t *space = msgb_get(msgb, 1); + return space[0]; +} +static inline uint16_t msgb_get_u16(struct msgb *msgb) +{ + uint8_t *space = msgb_get(msgb, 2); + return space[0] << 8 | space[1]; +} +static inline uint32_t msgb_get_u32(struct msgb *msgb) +{ + uint8_t *space = msgb_get(msgb, 4); + return space[0] << 24 | space[1] << 16 | space[2] << 8 | space[3]; +} static inline unsigned char *msgb_push(struct msgb *msgb, unsigned int len) { msgb->data -= len; |