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Introduce an utility macro to set base, offset and

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datalen of a frame, which is a very common operation.



git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@15970 65c4cc65-6c06-0410-ace0-fbb531ad65f3
This commit is contained in:
Luigi Rizzo
2006-03-29 02:14:38 +00:00
parent 68ab41ebfe
commit 705ccb2218
1 changed files with 7 additions and 0 deletions
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7
include/asterisk/frame.h
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@@ -111,6 +111,13 @@ struct ast_frame {
struct ast_frame *next;
};
#define FR_SET_BUF(fr, _base, _ofs, _datalen) \
{ \
(fr)->data = (char *)_base + (_ofs); \
(fr)->offset = (_ofs); \
(fr)->datalen = (_datalen); \
}
/*! Queueing a null frame is fairly common, so we declare a global null frame object
for this purpose instead of having to declare one on the stack */
extern struct ast_frame ast_null_frame;