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Added functions for accessing the data and length of a queued buffer

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This commit is contained in:
adamdunkels 2007-03-20 12:26:23 +00:00
parent a43c213ff2
commit 516f9316ab
2 changed files with 26 additions and 2 deletions
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22
core/net/rime/queuebuf.c
View File

@ -28,7 +28,7 @@
*
* This file is part of the Contiki operating system.
*
* $Id: queuebuf.c,v 1.3 2007/03/15 09:56:39 adamdunkels Exp $
* $Id: queuebuf.c,v 1.4 2007/03/20 12:26:23 adamdunkels Exp $
*/
/**
@ -116,3 +116,23 @@ queuebuf_to_rimebuf(struct queuebuf *b)
}
}
/*---------------------------------------------------------------------------*/
void *
queuebuf_dataptr(struct queuebuf *b)
{
struct queuebuf_ref *r;
if(memb_inmemb(&bufmem, b)) {
return b->data;
} else if(memb_inmemb(&refbufmem, b)) {
r = (struct queuebuf_ref *)b;
return r->ref;
}
return NULL;
}
/*---------------------------------------------------------------------------*/
int
queuebuf_datalen(struct queuebuf *b)
{
return b->len;
}
/*---------------------------------------------------------------------------*/

6
core/net/rime/queuebuf.h
View File

@ -28,7 +28,7 @@
*
* This file is part of the Contiki operating system.
*
* $Id: queuebuf.h,v 1.1 2007/02/28 16:38:51 adamdunkels Exp $
* $Id: queuebuf.h,v 1.2 2007/03/20 12:26:23 adamdunkels Exp $
*/
/**
@ -52,4 +52,8 @@ void queuebuf_free(struct queuebuf *b);
void queuebuf_from_rimebuf(struct queuebuf *b);
void queuebuf_to_rimebuf(struct queuebuf *b);
void *queuebuf_dataptr(struct queuebuf *b);
int queuebuf_datalen(struct queuebuf *b);
#endif /* __QUEUEBUF_H__ */