From 48e17f895187100ae7331afa2cbb81594557823f Mon Sep 17 00:00:00 2001 From: Ingo Albrecht Date: Sun, 7 Mar 2010 18:03:41 +0100 Subject: msgb: Buffer formatting and scanning functions. --- include/osmocore/msgb.h | 41 +++++++++++++++++++++++++++++++++++++++++ 1 file changed, 41 insertions(+) (limited to 'include') diff --git a/include/osmocore/msgb.h b/include/osmocore/msgb.h index 4f0c8c38..754918e1 100644 --- a/include/osmocore/msgb.h +++ b/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; -- cgit v1.2.3