list.h, ortp.h: Add missing documentation

diff --git a/list.h b/list.h
index ba6211ba191395e40fd63d526ab9ddacc2b7f697..de04ab9eed1184451f5338b06a7a2be9106aac5d 100644 (file)
--- a/list.h
+++ b/list.h
@@ -9,6 +9,7 @@
 
 #include <stddef.h> /* offsetof */
 
 
 #include <stddef.h> /* offsetof */
 

+/** get the struct this entry is embedded in */

 #define container_of(ptr, type, member) ({                      \
        const typeof( ((type *)0)->member ) *__mptr = (ptr);    \
        (type *)( (char *)__mptr - offsetof(type,member) );})
 #define container_of(ptr, type, member) ({                      \
        const typeof( ((type *)0)->member ) *__mptr = (ptr);    \
        (type *)( (char *)__mptr - offsetof(type,member) );})


@@ -24,22 +25,28 @@
  */
 #define LIST_POISON2  ((void *) 0x00200200)
 
  */
 #define LIST_POISON2  ((void *) 0x00200200)
 

-/**
- * Simple doubly linked list implementation.
- *
+/** Simple doubly linked list implementation. */
+struct list_head {
+       /** pointer to the next list entry */
+       struct list_head *next;
+       /** pointer to the previous list entry */
+       struct list_head *prev;
+};
+
+/** must be called before using any other list functions */
+#define INIT_LIST_HEAD(ptr) do { \
+       (ptr)->next = (ptr); (ptr)->prev = (ptr); \
+} while (0)
+
+
+/*

  * Some of the internal functions ("__xxx") are useful when
  * manipulating whole lists rather than single entries, as
  * sometimes we already know the next/prev entries and we can
  * generate better code by using them directly rather than
  * using the generic single-entry routines.
  */
  * Some of the internal functions ("__xxx") are useful when
  * manipulating whole lists rather than single entries, as
  * sometimes we already know the next/prev entries and we can
  * generate better code by using them directly rather than
  * using the generic single-entry routines.
  */

-struct list_head {
-       struct list_head *next, *prev;
-};

 
 

-#define INIT_LIST_HEAD(ptr) do { \
-       (ptr)->next = (ptr); (ptr)->prev = (ptr); \
-} while (0)

 
 /*
  * Insert a new entry between two known consecutive entries.
 
 /*
  * Insert a new entry between two known consecutive entries.

diff --git a/ortp.h b/ortp.h
index 0222290ba024eebcdfd6672acc38c1451cb085de..ef62fea420e752ae7ac9289520eeb86ca987eb0f 100644 (file)
--- a/ortp.h
+++ b/ortp.h
@@ -1,30 +1,62 @@
+/*
+ * Copyright (C) 2006-2007 Andre Noll <maan@systemlinux.org>
+ *
+ *     This program is free software; you can redistribute it and/or modify
+ *     it under the terms of the GNU General Public License as published by
+ *     the Free Software Foundation; either version 2 of the License, or
+ *     (at your option) any later version.
+ *
+ *     This program is distributed in the hope that it will be useful,
+ *     but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *     GNU General Public License for more details.
+ *
+ *     You should have received a copy of the GNU General Public License
+ *     along with this program; if not, write to the Free Software
+ *     Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111, USA.
+ */
+

 /** \file ortp.h some macros used by ortp_send.c and ortp_recv.c*/
 /** \file ortp.h some macros used by ortp_send.c and ortp_recv.c*/

+
+/** the possible packet types */

 enum ortp_audio_packet_type {ORTP_EOF, ORTP_BOF, ORTP_HEADER, ORTP_DATA};
 
 enum ortp_audio_packet_type {ORTP_EOF, ORTP_BOF, ORTP_HEADER, ORTP_DATA};
 

+/** number of bytes of the paraslash ortp header */

 #define ORTP_AUDIO_HEADER_LEN 10
 
 #define ORTP_AUDIO_HEADER_LEN 10
 

+/** write type of this packet to \a buf */

 #define WRITE_PACKET_TYPE(buf, x) (buf)[0] = (unsigned char)((x)&0xff)
 #define WRITE_PACKET_TYPE(buf, x) (buf)[0] = (unsigned char)((x)&0xff)

+/** get type of this packet */

 #define READ_PACKET_TYPE(buf) (unsigned)(buf)[0]
 
 #define READ_PACKET_TYPE(buf) (unsigned)(buf)[0]
 

+/** write the chunk time for this packet to \a buf */

 #define WRITE_CHUNK_TIME(buf, x) (buf)[1] = (unsigned char)((x)&0xff);\
        (buf)[2] = (unsigned char)(((x)>>8)&0xff);\
        (buf)[3] = (unsigned char)(((x)>>16)&0xff);\
        (buf)[4] = (unsigned char)(((x)>>24)&0xff);
 #define WRITE_CHUNK_TIME(buf, x) (buf)[1] = (unsigned char)((x)&0xff);\
        (buf)[2] = (unsigned char)(((x)>>8)&0xff);\
        (buf)[3] = (unsigned char)(((x)>>16)&0xff);\
        (buf)[4] = (unsigned char)(((x)>>24)&0xff);

+
+/** get the chunk time of this packet */

 #define READ_CHUNK_TIME(buf) (unsigned char)(buf)[1] + \
        ((unsigned char)(buf)[2] << 8) + \
        ((unsigned char)(buf)[3] << 16) + \
        ((unsigned char)(buf)[4] << 24)
 
 #define READ_CHUNK_TIME(buf) (unsigned char)(buf)[1] + \
        ((unsigned char)(buf)[2] << 8) + \
        ((unsigned char)(buf)[3] << 16) + \
        ((unsigned char)(buf)[4] << 24)
 

+/** write the chunk timestamp */

 #define WRITE_CHUNK_TS(buf, x) (buf)[5] = (unsigned char)((x) & 0xff); \
        (buf)[6] = (unsigned char)(((x >> 8) & 0xff));
 #define WRITE_CHUNK_TS(buf, x) (buf)[5] = (unsigned char)((x) & 0xff); \
        (buf)[6] = (unsigned char)(((x >> 8) & 0xff));

+/** get the chunk timestamp */

 #define READ_CHUNK_TS(buf) (unsigned char)(buf)[5] + \
        ((unsigned char)(buf)[6] << 8)
 
 #define READ_CHUNK_TS(buf) (unsigned char)(buf)[5] + \
        ((unsigned char)(buf)[6] << 8)
 

+/** write the stream type (header or headerless) */

 #define WRITE_STREAM_TYPE(buf, x) (buf)[7] = (unsigned char)((x)&0xff)
 #define WRITE_STREAM_TYPE(buf, x) (buf)[7] = (unsigned char)((x)&0xff)

+/** get the type of the stream (header or headerless) */

 #define READ_STREAM_TYPE(buf) (unsigned)(buf)[7]
 
 #define READ_STREAM_TYPE(buf) (unsigned)(buf)[7]
 

+/** write the length of the header (only used for streams with header) */

 #define WRITE_HEADER_LEN(buf, x) (buf)[8] = (unsigned char)((x) & 0xff); \
        (buf)[9] = (unsigned char)(((x >> 8) & 0xff));
 #define WRITE_HEADER_LEN(buf, x) (buf)[8] = (unsigned char)((x) & 0xff); \
        (buf)[9] = (unsigned char)(((x >> 8) & 0xff));

+
+/** get the length of the header (only used for packets containing a header) */

 #define READ_HEADER_LEN(buf) (unsigned char)(buf)[8] + \
        ((unsigned char)(buf)[9] << 8)
 #define READ_HEADER_LEN(buf) (unsigned char)(buf)[8] + \
        ((unsigned char)(buf)[9] << 8)

-