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 <span id="projectnumber">0.20.0</span>
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<div class="title">src/utils.h</div> </div>
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<div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/***************************************************************************</span>
<a name="l00002"></a>00002 <span class="comment"> * utils.h</span>
<a name="l00003"></a>00003 <span class="comment"> *</span>
<a name="l00004"></a>00004 <span class="comment"> * Wed Feb 23 14:15:36 2005</span>
<a name="l00005"></a>00005 <span class="comment"> * Copyright 2005 Simon Morlat</span>
<a name="l00006"></a>00006 <span class="comment"> * Email simon.morlat@linphone.org</span>
<a name="l00007"></a>00007 <span class="comment"> ****************************************************************************/</span>
<a name="l00008"></a>00008 <span class="comment">/*</span>
<a name="l00009"></a>00009 <span class="comment"> The oRTP library is an RTP (Realtime Transport Protocol - rfc3550) stack.</span>
<a name="l00010"></a>00010 <span class="comment"> Copyright (C) 2001 Simon MORLAT simon.morlat@linphone.org</span>
<a name="l00011"></a>00011 <span class="comment"></span>
<a name="l00012"></a>00012 <span class="comment"> This library is free software; you can redistribute it and/or</span>
<a name="l00013"></a>00013 <span class="comment"> modify it under the terms of the GNU Lesser General Public</span>
<a name="l00014"></a>00014 <span class="comment"> License as published by the Free Software Foundation; either</span>
<a name="l00015"></a>00015 <span class="comment"> version 2.1 of the License, or (at your option) any later version.</span>
<a name="l00016"></a>00016 <span class="comment"></span>
<a name="l00017"></a>00017 <span class="comment"> This library is distributed in the hope that it will be useful,</span>
<a name="l00018"></a>00018 <span class="comment"> but WITHOUT ANY WARRANTY; without even the implied warranty of</span>
<a name="l00019"></a>00019 <span class="comment"> MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU</span>
<a name="l00020"></a>00020 <span class="comment"> Lesser General Public License for more details.</span>
<a name="l00021"></a>00021 <span class="comment"></span>
<a name="l00022"></a>00022 <span class="comment"> You should have received a copy of the GNU Lesser General Public</span>
<a name="l00023"></a>00023 <span class="comment"> License along with this library; if not, write to the Free Software</span>
<a name="l00024"></a>00024 <span class="comment"> Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA</span>
<a name="l00025"></a>00025 <span class="comment">*/</span>
<a name="l00026"></a>00026
<a name="l00027"></a>00027 <span class="preprocessor">#ifndef UTILS_H</span>
<a name="l00028"></a>00028 <span class="preprocessor"></span><span class="preprocessor">#define UTILS_H</span>
<a name="l00029"></a>00029 <span class="preprocessor"></span>
<a name="l00030"></a>00030 <span class="preprocessor">#include "ortp/event.h"</span>
<a name="l00031"></a>00031
<a name="l00032"></a>00032 <span class="keyword">struct </span><a class="code" href="struct__OList.html">_OList</a> {
<a name="l00033"></a>00033 <span class="keyword">struct </span><a class="code" href="struct__OList.html">_OList</a> *next;
<a name="l00034"></a>00034 <span class="keyword">struct </span><a class="code" href="struct__OList.html">_OList</a> *prev;
<a name="l00035"></a>00035 <span class="keywordtype">void</span> *data;
<a name="l00036"></a>00036 };
<a name="l00037"></a>00037
<a name="l00038"></a>00038 <span class="keyword">typedef</span> <span class="keyword">struct </span><a class="code" href="struct__OList.html">_OList</a> <a class="code" href="struct__OList.html">OList</a>;
<a name="l00039"></a>00039
<a name="l00040"></a>00040
<a name="l00041"></a>00041 <span class="preprocessor">#define o_list_next(elem) ((elem)->next)</span>
<a name="l00042"></a>00042 <span class="preprocessor"></span>
<a name="l00043"></a>00043 <a class="code" href="struct__OList.html">OList</a> * o_list_append(<a class="code" href="struct__OList.html">OList</a> *elem, <span class="keywordtype">void</span> * data);
<a name="l00044"></a>00044 <a class="code" href="struct__OList.html">OList</a> * o_list_remove(<a class="code" href="struct__OList.html">OList</a> *list, <span class="keywordtype">void</span> *data);
<a name="l00045"></a>00045 <a class="code" href="struct__OList.html">OList</a> * o_list_free(<a class="code" href="struct__OList.html">OList</a> *elem);
<a name="l00046"></a>00046 <a class="code" href="struct__OList.html">OList</a> *o_list_remove_link(<a class="code" href="struct__OList.html">OList</a> *list, <a class="code" href="struct__OList.html">OList</a> *elem);
<a name="l00047"></a>00047
<a name="l00048"></a>00048 <span class="preprocessor">#ifndef MIN</span>
<a name="l00049"></a>00049 <span class="preprocessor"></span><span class="preprocessor">#define MIN(a,b) (((a)>(b)) ? (b) : (a))</span>
<a name="l00050"></a>00050 <span class="preprocessor"></span><span class="preprocessor">#endif</span>
<a name="l00051"></a>00051 <span class="preprocessor"></span><span class="preprocessor">#ifndef MAX</span>
<a name="l00052"></a>00052 <span class="preprocessor"></span><span class="preprocessor">#define MAX(a,b) (((a)>(b)) ? (a) : (b))</span>
<a name="l00053"></a>00053 <span class="preprocessor"></span><span class="preprocessor">#endif</span>
<a name="l00054"></a>00054 <span class="preprocessor"></span>
<a name="l00055"></a>00055 <span class="preprocessor">#define return_if_fail(expr) if (!(expr)) {printf("%s:%i- assertion"#expr "failed\n",__FILE__,__LINE__); return;}</span>
<a name="l00056"></a>00056 <span class="preprocessor"></span><span class="preprocessor">#define return_val_if_fail(expr,ret) if (!(expr)) {printf("%s:%i- assertion" #expr "failed\n",__FILE__,__LINE__); return (ret);}</span>
<a name="l00057"></a>00057 <span class="preprocessor"></span>
<a name="l00058"></a>00058
<a name="l00059"></a>00059 <span class="preprocessor">#define INT_TO_POINTER(truc) ((long)(long)(truc))</span>
<a name="l00060"></a>00060 <span class="preprocessor"></span><span class="preprocessor">#define POINTER_TO_INT(truc) ((int)(long)(truc))</span>
<a name="l00061"></a>00061 <span class="preprocessor"></span>
<a name="l00062"></a>00062 <span class="keyword">typedef</span> <span class="keyword">struct </span><a class="code" href="struct__dwsplit__t.html">_dwsplit_t</a>{
<a name="l00063"></a>00063 <span class="preprocessor">#ifdef ORTP_BIGENDIAN</span>
<a name="l00064"></a>00064 <span class="preprocessor"></span> uint16_t hi;
<a name="l00065"></a>00065 uint16_t lo;
<a name="l00066"></a>00066 <span class="preprocessor">#else</span>
<a name="l00067"></a>00067 <span class="preprocessor"></span> uint16_t lo;
<a name="l00068"></a>00068 uint16_t hi;
<a name="l00069"></a>00069 <span class="preprocessor">#endif</span>
<a name="l00070"></a>00070 <span class="preprocessor"></span>} <a class="code" href="struct__dwsplit__t.html">dwsplit_t</a>;
<a name="l00071"></a>00071
<a name="l00072"></a>00072 <span class="keyword">typedef</span> <span class="keyword">union</span>{
<a name="l00073"></a>00073 <a class="code" href="struct__dwsplit__t.html">dwsplit_t</a> split;
<a name="l00074"></a>00074 uint32_t one;
<a name="l00075"></a>00075 } <a class="code" href="unionpoly32__t.html">poly32_t</a>;
<a name="l00076"></a>00076
<a name="l00077"></a>00077 <span class="preprocessor">#ifdef ORTP_BIGENDIAN</span>
<a name="l00078"></a>00078 <span class="preprocessor"></span><span class="preprocessor">#define hton24(x) (x)</span>
<a name="l00079"></a>00079 <span class="preprocessor"></span><span class="preprocessor">#else</span>
<a name="l00080"></a>00080 <span class="preprocessor"></span><span class="preprocessor">#define hton24(x) ((( (x) & 0x00ff0000) >>16) | (( (x) & 0x000000ff) <<16) | ( (x) & 0x0000ff00) )</span>
<a name="l00081"></a>00081 <span class="preprocessor"></span><span class="preprocessor">#endif</span>
<a name="l00082"></a>00082 <span class="preprocessor"></span><span class="preprocessor">#define ntoh24(x) hton24(x)</span>
<a name="l00083"></a>00083 <span class="preprocessor"></span>
<a name="l00084"></a>00084 <span class="preprocessor">#if defined(WIN32) || defined(_WIN32_WCE)</span>
<a name="l00085"></a>00085 <span class="preprocessor"></span><span class="preprocessor">#define is_would_block_error(errnum) (errnum==WSAEWOULDBLOCK)</span>
<a name="l00086"></a>00086 <span class="preprocessor"></span><span class="preprocessor">#else</span>
<a name="l00087"></a>00087 <span class="preprocessor"></span><span class="preprocessor">#define is_would_block_error(errnum) (errnum==EWOULDBLOCK || errnum==EAGAIN)</span>
<a name="l00088"></a>00088 <span class="preprocessor"></span><span class="preprocessor">#endif</span>
<a name="l00089"></a>00089 <span class="preprocessor"></span>
<a name="l00090"></a>00090 <span class="keywordtype">void</span> ortp_ev_queue_put(<a class="code" href="structOrtpEvQueue.html">OrtpEvQueue</a> *q, <a class="code" href="structmsgb.html">OrtpEvent</a> *ev);
<a name="l00091"></a>00091
<a name="l00092"></a>00092 uint64_t ortp_timeval_to_ntp(<span class="keyword">const</span> <span class="keyword">struct</span> timeval *tv);
<a name="l00093"></a>00093
<a name="l00094"></a>00094 <span class="preprocessor">#endif</span>
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