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msgb: fix msgb_pull_u*() 

msgb_pull returns a pointer to the new begin of the
buffer, unlike msgb_get(), where those functions
were originally taken from.

Signed-off-by: Steve Markgraf <steve@steve-m.de>
This commit is contained in:
Steve Markgraf 2012-11-14 19:36:00 +01:00 committed by Sylvain Munaut
parent 866fc919ac
commit 5905d5be60
1 changed files with 3 additions and 3 deletions
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6
include/osmocom/core/msgb.h
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@ -305,7 +305,7 @@ static inline unsigned char *msgb_pull(struct msgb *msgb, unsigned int len)
*/
static inline uint8_t msgb_pull_u8(struct msgb *msgb)
{
uint8_t *space = msgb_pull(msgb, 1);
uint8_t *space = msgb_pull(msgb, 1) - 1;
return space[0];
}
/*! \brief remove uint16 from front of message
@ -314,7 +314,7 @@ static inline uint8_t msgb_pull_u8(struct msgb *msgb)
*/
static inline uint16_t msgb_pull_u16(struct msgb *msgb)
{
uint8_t *space = msgb_pull(msgb, 2);
uint8_t *space = msgb_pull(msgb, 2) - 2;
return space[0] << 8 | space[1];
}
/*! \brief remove uint32 from front of message
@ -323,7 +323,7 @@ static inline uint16_t msgb_pull_u16(struct msgb *msgb)
*/
static inline uint32_t msgb_pull_u32(struct msgb *msgb)
{
uint8_t *space = msgb_pull(msgb, 4);
uint8_t *space = msgb_pull(msgb, 4) - 4;
return space[0] << 24 | space[1] << 16 | space[2] << 8 | space[3];
}