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authorIngo Albrecht <prom@berlin.ccc.de>2010-03-07 18:03:41 +0100
committerHarald Welte <laforge@gnumonks.org>2010-03-07 18:03:41 +0100
commit48e17f895187100ae7331afa2cbb81594557823f (patch)
tree01c644a143c0f2b5d20cb7acca36f4baca37e31f /include/osmocore/msgb.h
parent622b718195d607d7cfc8b9ec96f943ea0ce2d1dd (diff)
msgb: Buffer formatting and scanning functions.
Diffstat (limited to 'include/osmocore/msgb.h')
-rw-r--r--include/osmocore/msgb.h41
1 files changed, 41 insertions, 0 deletions
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;