Introduce an utility macro to set base, offset and
authorLuigi Rizzo <rizzo@icir.org>
Wed, 29 Mar 2006 02:14:38 +0000 (02:14 +0000)
committerLuigi Rizzo <rizzo@icir.org>
Wed, 29 Mar 2006 02:14:38 +0000 (02:14 +0000)
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

include/asterisk/frame.h

index a1fcf8e..21b5969 100644 (file)
@@ -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;