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<h1>lib/addr.c</h1> </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"> * lib/addr.c Abstract Address</span>
<a name="l00003"></a>00003 <span class="comment"> *</span>
<a name="l00004"></a>00004 <span class="comment"> * This library is free software; you can redistribute it and/or</span>
<a name="l00005"></a>00005 <span class="comment"> * modify it under the terms of the GNU Lesser General Public</span>
<a name="l00006"></a>00006 <span class="comment"> * License as published by the Free Software Foundation version 2.1</span>
<a name="l00007"></a>00007 <span class="comment"> * of the License.</span>
<a name="l00008"></a>00008 <span class="comment"> *</span>
<a name="l00009"></a>00009 <span class="comment"> * Copyright (c) 2003-2006 Thomas Graf <tgraf@suug.ch></span>
<a name="l00010"></a>00010 <span class="comment"> */</span>
<a name="l00011"></a>00011 <span class="comment"></span>
<a name="l00012"></a>00012 <span class="comment">/**</span>
<a name="l00013"></a>00013 <span class="comment"> * @ingroup utils</span>
<a name="l00014"></a>00014 <span class="comment"> * @defgroup addr Abstract Address</span>
<a name="l00015"></a>00015 <span class="comment"> *</span>
<a name="l00016"></a>00016 <span class="comment"> * @par 1) Transform character string to abstract address</span>
<a name="l00017"></a>00017 <span class="comment"> * @code</span>
<a name="l00018"></a>00018 <span class="comment"> * struct nl_addr *a = nl_addr_parse("::1", AF_UNSPEC);</span>
<a name="l00019"></a>00019 <span class="comment"> * printf("Address family: %s\n", nl_af2str(nl_addr_get_family(a)));</span>
<a name="l00020"></a>00020 <span class="comment"> * nl_addr_put(a);</span>
<a name="l00021"></a>00021 <span class="comment"> * a = nl_addr_parse("11:22:33:44:55:66", AF_UNSPEC);</span>
<a name="l00022"></a>00022 <span class="comment"> * printf("Address family: %s\n", nl_af2str(nl_addr_get_family(a)));</span>
<a name="l00023"></a>00023 <span class="comment"> * nl_addr_put(a);</span>
<a name="l00024"></a>00024 <span class="comment"> * @endcode</span>
<a name="l00025"></a>00025 <span class="comment"> * @{</span>
<a name="l00026"></a>00026 <span class="comment"> */</span>
<a name="l00027"></a>00027
<a name="l00028"></a>00028 <span class="preprocessor">#include <netlink-local.h></span>
<a name="l00029"></a>00029 <span class="preprocessor">#include <netlink/netlink.h></span>
<a name="l00030"></a>00030 <span class="preprocessor">#include <netlink/utils.h></span>
<a name="l00031"></a>00031 <span class="preprocessor">#include <netlink/addr.h></span>
<a name="l00032"></a>00032 <span class="preprocessor">#include <linux/socket.h></span>
<a name="l00033"></a>00033
<a name="l00034"></a>00034 <span class="comment">/* All this DECnet stuff is stolen from iproute2, thanks to whoever wrote</span>
<a name="l00035"></a>00035 <span class="comment"> * this, probably Alexey. */</span>
<a name="l00036"></a>00036 <span class="keyword">static</span> <span class="keyword">inline</span> uint16_t dn_ntohs(uint16_t addr)
<a name="l00037"></a>00037 {
<a name="l00038"></a>00038 <span class="keyword">union </span>{
<a name="l00039"></a>00039 uint8_t byte[2];
<a name="l00040"></a>00040 uint16_t word;
<a name="l00041"></a>00041 } u = {
<a name="l00042"></a>00042 .word = addr,
<a name="l00043"></a>00043 };
<a name="l00044"></a>00044
<a name="l00045"></a>00045 <span class="keywordflow">return</span> ((uint16_t) u.byte[0]) | (((uint16_t) u.byte[1]) << 8);
<a name="l00046"></a>00046 }
<a name="l00047"></a>00047
<a name="l00048"></a>00048 <span class="keyword">static</span> <span class="keyword">inline</span> <span class="keywordtype">int</span> do_digit(<span class="keywordtype">char</span> *str, uint16_t *addr, uint16_t scale,
<a name="l00049"></a>00049 <span class="keywordtype">size_t</span> *pos, <span class="keywordtype">size_t</span> len, <span class="keywordtype">int</span> *started)
<a name="l00050"></a>00050 {
<a name="l00051"></a>00051 uint16_t tmp = *addr / scale;
<a name="l00052"></a>00052
<a name="l00053"></a>00053 <span class="keywordflow">if</span> (*pos == len)
<a name="l00054"></a>00054 <span class="keywordflow">return</span> 1;
<a name="l00055"></a>00055
<a name="l00056"></a>00056 <span class="keywordflow">if</span> (((tmp) > 0) || *started || (scale == 1)) {
<a name="l00057"></a>00057 *str = tmp + <span class="charliteral">'0'</span>;
<a name="l00058"></a>00058 *started = 1;
<a name="l00059"></a>00059 (*pos)++;
<a name="l00060"></a>00060 *addr -= (tmp * scale);
<a name="l00061"></a>00061 }
<a name="l00062"></a>00062
<a name="l00063"></a>00063 <span class="keywordflow">return</span> 0;
<a name="l00064"></a>00064 }
<a name="l00065"></a>00065
<a name="l00066"></a>00066 <span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">char</span> *dnet_ntop(<span class="keywordtype">char</span> *addrbuf, <span class="keywordtype">size_t</span> addrlen, <span class="keywordtype">char</span> *str,
<a name="l00067"></a>00067 <span class="keywordtype">size_t</span> len)
<a name="l00068"></a>00068 {
<a name="l00069"></a>00069 uint16_t addr = dn_ntohs(*(uint16_t *)addrbuf);
<a name="l00070"></a>00070 uint16_t area = addr >> 10;
<a name="l00071"></a>00071 <span class="keywordtype">size_t</span> pos = 0;
<a name="l00072"></a>00072 <span class="keywordtype">int</span> started = 0;
<a name="l00073"></a>00073
<a name="l00074"></a>00074 <span class="keywordflow">if</span> (addrlen != 2)
<a name="l00075"></a>00075 <span class="keywordflow">return</span> NULL;
<a name="l00076"></a>00076
<a name="l00077"></a>00077 addr &= 0x03ff;
<a name="l00078"></a>00078
<a name="l00079"></a>00079 <span class="keywordflow">if</span> (len == 0)
<a name="l00080"></a>00080 <span class="keywordflow">return</span> str;
<a name="l00081"></a>00081
<a name="l00082"></a>00082 <span class="keywordflow">if</span> (do_digit(str + pos, &area, 10, &pos, len, &started))
<a name="l00083"></a>00083 <span class="keywordflow">return</span> str;
<a name="l00084"></a>00084
<a name="l00085"></a>00085 <span class="keywordflow">if</span> (do_digit(str + pos, &area, 1, &pos, len, &started))
<a name="l00086"></a>00086 <span class="keywordflow">return</span> str;
<a name="l00087"></a>00087
<a name="l00088"></a>00088 <span class="keywordflow">if</span> (pos == len)
<a name="l00089"></a>00089 <span class="keywordflow">return</span> str;
<a name="l00090"></a>00090
<a name="l00091"></a>00091 *(str + pos) = <span class="charliteral">'.'</span>;
<a name="l00092"></a>00092 pos++;
<a name="l00093"></a>00093 started = 0;
<a name="l00094"></a>00094
<a name="l00095"></a>00095 <span class="keywordflow">if</span> (do_digit(str + pos, &addr, 1000, &pos, len, &started))
<a name="l00096"></a>00096 <span class="keywordflow">return</span> str;
<a name="l00097"></a>00097
<a name="l00098"></a>00098 <span class="keywordflow">if</span> (do_digit(str + pos, &addr, 100, &pos, len, &started))
<a name="l00099"></a>00099 <span class="keywordflow">return</span> str;
<a name="l00100"></a>00100
<a name="l00101"></a>00101 <span class="keywordflow">if</span> (do_digit(str + pos, &addr, 10, &pos, len, &started))
<a name="l00102"></a>00102 <span class="keywordflow">return</span> str;
<a name="l00103"></a>00103
<a name="l00104"></a>00104 <span class="keywordflow">if</span> (do_digit(str + pos, &addr, 1, &pos, len, &started))
<a name="l00105"></a>00105 <span class="keywordflow">return</span> str;
<a name="l00106"></a>00106
<a name="l00107"></a>00107 <span class="keywordflow">if</span> (pos == len)
<a name="l00108"></a>00108 <span class="keywordflow">return</span> str;
<a name="l00109"></a>00109
<a name="l00110"></a>00110 *(str + pos) = 0;
<a name="l00111"></a>00111
<a name="l00112"></a>00112 <span class="keywordflow">return</span> str;
<a name="l00113"></a>00113 }
<a name="l00114"></a>00114
<a name="l00115"></a>00115 <span class="keyword">static</span> <span class="keywordtype">int</span> dnet_num(<span class="keyword">const</span> <span class="keywordtype">char</span> *src, uint16_t * dst)
<a name="l00116"></a>00116 {
<a name="l00117"></a>00117 <span class="keywordtype">int</span> rv = 0;
<a name="l00118"></a>00118 <span class="keywordtype">int</span> tmp;
<a name="l00119"></a>00119 *dst = 0;
<a name="l00120"></a>00120
<a name="l00121"></a>00121 <span class="keywordflow">while</span> ((tmp = *src++) != 0) {
<a name="l00122"></a>00122 tmp -= <span class="charliteral">'0'</span>;
<a name="l00123"></a>00123 <span class="keywordflow">if</span> ((tmp < 0) || (tmp > 9))
<a name="l00124"></a>00124 <span class="keywordflow">return</span> rv;
<a name="l00125"></a>00125
<a name="l00126"></a>00126 rv++;
<a name="l00127"></a>00127 (*dst) *= 10;
<a name="l00128"></a>00128 (*dst) += tmp;
<a name="l00129"></a>00129 }
<a name="l00130"></a>00130
<a name="l00131"></a>00131 <span class="keywordflow">return</span> rv;
<a name="l00132"></a>00132 }
<a name="l00133"></a>00133
<a name="l00134"></a>00134 <span class="keyword">static</span> <span class="keyword">inline</span> <span class="keywordtype">int</span> dnet_pton(<span class="keyword">const</span> <span class="keywordtype">char</span> *src, <span class="keywordtype">char</span> *addrbuf)
<a name="l00135"></a>00135 {
<a name="l00136"></a>00136 uint16_t area = 0;
<a name="l00137"></a>00137 uint16_t node = 0;
<a name="l00138"></a>00138 <span class="keywordtype">int</span> pos;
<a name="l00139"></a>00139
<a name="l00140"></a>00140 pos = dnet_num(src, &area);
<a name="l00141"></a>00141 <span class="keywordflow">if</span> ((pos == 0) || (area > 63) ||
<a name="l00142"></a>00142 ((*(src + pos) != <span class="charliteral">'.'</span>) && (*(src + pos) != <span class="charliteral">','</span>)))
<a name="l00143"></a>00143 <span class="keywordflow">return</span> -EINVAL;
<a name="l00144"></a>00144
<a name="l00145"></a>00145 pos = dnet_num(src + pos + 1, &node);
<a name="l00146"></a>00146 <span class="keywordflow">if</span> ((pos == 0) || (node > 1023))
<a name="l00147"></a>00147 <span class="keywordflow">return</span> -EINVAL;
<a name="l00148"></a>00148
<a name="l00149"></a>00149 *(uint16_t *)addrbuf = dn_ntohs((area << 10) | node);
<a name="l00150"></a>00150
<a name="l00151"></a>00151 <span class="keywordflow">return</span> 1;
<a name="l00152"></a>00152 }
<a name="l00153"></a>00153 <span class="comment"></span>
<a name="l00154"></a>00154 <span class="comment">/**</span>
<a name="l00155"></a>00155 <span class="comment"> * @name Creating Abstract Addresses</span>
<a name="l00156"></a>00156 <span class="comment"> * @{</span>
<a name="l00157"></a>00157 <span class="comment"> */</span>
<a name="l00158"></a>00158 <span class="comment"></span>
<a name="l00159"></a>00159 <span class="comment">/**</span>
<a name="l00160"></a>00160 <span class="comment"> * Allocate new abstract address object.</span>
<a name="l00161"></a>00161 <span class="comment"> * @arg maxsize Maximum size of the binary address.</span>
<a name="l00162"></a>00162 <span class="comment"> * @return Newly allocated address object or NULL</span>
<a name="l00163"></a>00163 <span class="comment"> */</span>
<a name="l00164"></a><a class="code" href="group__addr.html#ga95f044c6a8065a7e909ffe214517c501">00164</a> <span class="keyword">struct </span>nl_addr *<a class="code" href="group__addr.html#ga95f044c6a8065a7e909ffe214517c501" title="Allocate new abstract address object.">nl_addr_alloc</a>(<span class="keywordtype">size_t</span> maxsize)
<a name="l00165"></a>00165 {
<a name="l00166"></a>00166 <span class="keyword">struct </span>nl_addr *addr;
<a name="l00167"></a>00167
<a name="l00168"></a>00168 addr = calloc(1, <span class="keyword">sizeof</span>(*addr) + maxsize);
<a name="l00169"></a>00169 <span class="keywordflow">if</span> (!addr) {
<a name="l00170"></a>00170 nl_errno(ENOMEM);
<a name="l00171"></a>00171 <span class="keywordflow">return</span> NULL;
<a name="l00172"></a>00172 }
<a name="l00173"></a>00173
<a name="l00174"></a>00174 addr->a_refcnt = 1;
<a name="l00175"></a>00175 addr->a_maxsize = maxsize;
<a name="l00176"></a>00176
<a name="l00177"></a>00177 <span class="keywordflow">return</span> addr;
<a name="l00178"></a>00178 }
<a name="l00179"></a>00179 <span class="comment"></span>
<a name="l00180"></a>00180 <span class="comment">/**</span>
<a name="l00181"></a>00181 <span class="comment"> * Allocate new abstract address object based on a binary address.</span>
<a name="l00182"></a>00182 <span class="comment"> * @arg family Address family.</span>
<a name="l00183"></a>00183 <span class="comment"> * @arg buf Buffer containing the binary address.</span>
<a name="l00184"></a>00184 <span class="comment"> * @arg size Length of binary address buffer.</span>
<a name="l00185"></a>00185 <span class="comment"> * @return Newly allocated address handle or NULL</span>
<a name="l00186"></a>00186 <span class="comment"> */</span>
<a name="l00187"></a><a class="code" href="group__addr.html#ga3ba58249a980740157be8a4fca3635fd">00187</a> <span class="keyword">struct </span>nl_addr *<a class="code" href="group__addr.html#ga3ba58249a980740157be8a4fca3635fd" title="Allocate new abstract address object based on a binary address.">nl_addr_build</a>(<span class="keywordtype">int</span> family, <span class="keywordtype">void</span> *buf, <span class="keywordtype">size_t</span> size)
<a name="l00188"></a>00188 {
<a name="l00189"></a>00189 <span class="keyword">struct </span>nl_addr *addr;
<a name="l00190"></a>00190
<a name="l00191"></a>00191 addr = <a class="code" href="group__addr.html#ga95f044c6a8065a7e909ffe214517c501" title="Allocate new abstract address object.">nl_addr_alloc</a>(size);
<a name="l00192"></a>00192 <span class="keywordflow">if</span> (!addr)
<a name="l00193"></a>00193 <span class="keywordflow">return</span> NULL;
<a name="l00194"></a>00194
<a name="l00195"></a>00195 addr->a_family = family;
<a name="l00196"></a>00196 addr->a_len = size;
<a name="l00197"></a>00197 addr->a_prefixlen = size*8;
<a name="l00198"></a>00198
<a name="l00199"></a>00199 <span class="keywordflow">if</span> (size)
<a name="l00200"></a>00200 memcpy(addr->a_addr, buf, size);
<a name="l00201"></a>00201
<a name="l00202"></a>00202 <span class="keywordflow">return</span> addr;
<a name="l00203"></a>00203 }
<a name="l00204"></a>00204 <span class="comment"></span>
<a name="l00205"></a>00205 <span class="comment">/**</span>
<a name="l00206"></a>00206 <span class="comment"> * Allocate abstract address object based on a character string</span>
<a name="l00207"></a>00207 <span class="comment"> * @arg addrstr Address represented as character string.</span>
<a name="l00208"></a>00208 <span class="comment"> * @arg hint Address family hint or AF_UNSPEC.</span>
<a name="l00209"></a>00209 <span class="comment"> *</span>
<a name="l00210"></a>00210 <span class="comment"> * Regognizes the following address formats:</span>
<a name="l00211"></a>00211 <span class="comment"> *@code</span>
<a name="l00212"></a>00212 <span class="comment"> * Format Len Family</span>
<a name="l00213"></a>00213 <span class="comment"> * ----------------------------------------------------------------</span>
<a name="l00214"></a>00214 <span class="comment"> * IPv6 address format 16 AF_INET6</span>
<a name="l00215"></a>00215 <span class="comment"> * ddd.ddd.ddd.ddd 4 AF_INET</span>
<a name="l00216"></a>00216 <span class="comment"> * HH:HH:HH:HH:HH:HH 6 AF_LLC</span>
<a name="l00217"></a>00217 <span class="comment"> * AA{.|,}NNNN 2 AF_DECnet</span>
<a name="l00218"></a>00218 <span class="comment"> * HH:HH:HH:... variable AF_UNSPEC</span>
<a name="l00219"></a>00219 <span class="comment"> * @endcode</span>
<a name="l00220"></a>00220 <span class="comment"> *</span>
<a name="l00221"></a>00221 <span class="comment"> * Special values:</span>
<a name="l00222"></a>00222 <span class="comment"> * - none: All bits and length set to 0.</span>
<a name="l00223"></a>00223 <span class="comment"> * - {default|all|any}: All bits set to 0, length based on hint or</span>
<a name="l00224"></a>00224 <span class="comment"> * AF_INET if no hint is given.</span>
<a name="l00225"></a>00225 <span class="comment"> *</span>
<a name="l00226"></a>00226 <span class="comment"> * The prefix length may be appened at the end prefixed with a</span>
<a name="l00227"></a>00227 <span class="comment"> * slash, e.g. 10.0.0.0/8.</span>
<a name="l00228"></a>00228 <span class="comment"> *</span>
<a name="l00229"></a>00229 <span class="comment"> * @return Newly allocated abstract address object or NULL.</span>
<a name="l00230"></a>00230 <span class="comment"> */</span>
<a name="l00231"></a><a class="code" href="group__addr.html#ga5da2311446bbbb446cf1127ec4a60e3c">00231</a> <span class="keyword">struct </span>nl_addr *<a class="code" href="group__addr.html#ga5da2311446bbbb446cf1127ec4a60e3c" title="Allocate abstract address object based on a character string.">nl_addr_parse</a>(<span class="keyword">const</span> <span class="keywordtype">char</span> *addrstr, <span class="keywordtype">int</span> hint)
<a name="l00232"></a>00232 {
<a name="l00233"></a>00233 <span class="keywordtype">int</span> err, copy = 0, len = 0, family = AF_UNSPEC;
<a name="l00234"></a>00234 <span class="keywordtype">char</span> *str, *prefix, buf[32];
<a name="l00235"></a>00235 <span class="keyword">struct </span>nl_addr *addr = NULL; <span class="comment">/* gcc ain't that smart */</span>
<a name="l00236"></a>00236
<a name="l00237"></a>00237 str = strdup(addrstr);
<a name="l00238"></a>00238 <span class="keywordflow">if</span> (!str) {
<a name="l00239"></a>00239 err = nl_errno(ENOMEM);
<a name="l00240"></a>00240 <span class="keywordflow">goto</span> errout;
<a name="l00241"></a>00241 }
<a name="l00242"></a>00242
<a name="l00243"></a>00243 prefix = strchr(str, <span class="charliteral">'/'</span>);
<a name="l00244"></a>00244 <span class="keywordflow">if</span> (prefix)
<a name="l00245"></a>00245 *prefix = <span class="charliteral">'\0'</span>;
<a name="l00246"></a>00246
<a name="l00247"></a>00247 <span class="keywordflow">if</span> (!strcasecmp(str, <span class="stringliteral">"none"</span>)) {
<a name="l00248"></a>00248 family = hint;
<a name="l00249"></a>00249 <span class="keywordflow">goto</span> prefix;
<a name="l00250"></a>00250 }
<a name="l00251"></a>00251
<a name="l00252"></a>00252 <span class="keywordflow">if</span> (!strcasecmp(str, <span class="stringliteral">"default"</span>) ||
<a name="l00253"></a>00253 !strcasecmp(str, <span class="stringliteral">"all"</span>) ||
<a name="l00254"></a>00254 !strcasecmp(str, <span class="stringliteral">"any"</span>)) {
<a name="l00255"></a>00255
<a name="l00256"></a>00256 <span class="keywordflow">switch</span> (hint) {
<a name="l00257"></a>00257 <span class="keywordflow">case</span> AF_INET:
<a name="l00258"></a>00258 <span class="keywordflow">case</span> AF_UNSPEC:
<a name="l00259"></a>00259 <span class="comment">/* Kind of a hack, we assume that if there is</span>
<a name="l00260"></a>00260 <span class="comment"> * no hint given the user wants to have a IPv4</span>
<a name="l00261"></a>00261 <span class="comment"> * address given back. */</span>
<a name="l00262"></a>00262 family = AF_INET;
<a name="l00263"></a>00263 len = 4;
<a name="l00264"></a>00264 <span class="keywordflow">goto</span> prefix;
<a name="l00265"></a>00265
<a name="l00266"></a>00266 <span class="keywordflow">case</span> AF_INET6:
<a name="l00267"></a>00267 family = AF_INET6;
<a name="l00268"></a>00268 len = 16;
<a name="l00269"></a>00269 <span class="keywordflow">goto</span> prefix;
<a name="l00270"></a>00270
<a name="l00271"></a>00271 <span class="keywordflow">case</span> AF_LLC:
<a name="l00272"></a>00272 family = AF_LLC;
<a name="l00273"></a>00273 len = 6;
<a name="l00274"></a>00274 <span class="keywordflow">goto</span> prefix;
<a name="l00275"></a>00275
<a name="l00276"></a>00276 <span class="keywordflow">default</span>:
<a name="l00277"></a>00277 err = nl_error(EINVAL, <span class="stringliteral">"Unsuported address"</span> \
<a name="l00278"></a>00278 <span class="stringliteral">"family for default address"</span>);
<a name="l00279"></a>00279 <span class="keywordflow">goto</span> errout;
<a name="l00280"></a>00280 }
<a name="l00281"></a>00281 }
<a name="l00282"></a>00282
<a name="l00283"></a>00283 copy = 1;
<a name="l00284"></a>00284
<a name="l00285"></a>00285 <span class="keywordflow">if</span> (hint == AF_INET || hint == AF_UNSPEC) {
<a name="l00286"></a>00286 <span class="keywordflow">if</span> (inet_pton(AF_INET, str, buf) > 0) {
<a name="l00287"></a>00287 family = AF_INET;
<a name="l00288"></a>00288 len = 4;
<a name="l00289"></a>00289 <span class="keywordflow">goto</span> prefix;
<a name="l00290"></a>00290 }
<a name="l00291"></a>00291 <span class="keywordflow">if</span> (hint == AF_INET) {
<a name="l00292"></a>00292 err = nl_error(EINVAL, <span class="stringliteral">"Invalid IPv4 address"</span>);
<a name="l00293"></a>00293 <span class="keywordflow">goto</span> errout;
<a name="l00294"></a>00294 }
<a name="l00295"></a>00295 }
<a name="l00296"></a>00296
<a name="l00297"></a>00297 <span class="keywordflow">if</span> (hint == AF_INET6 || hint == AF_UNSPEC) {
<a name="l00298"></a>00298 <span class="keywordflow">if</span> (inet_pton(AF_INET6, str, buf) > 0) {
<a name="l00299"></a>00299 family = AF_INET6;
<a name="l00300"></a>00300 len = 16;
<a name="l00301"></a>00301 <span class="keywordflow">goto</span> prefix;
<a name="l00302"></a>00302 }
<a name="l00303"></a>00303 <span class="keywordflow">if</span> (hint == AF_INET6) {
<a name="l00304"></a>00304 err = nl_error(EINVAL, <span class="stringliteral">"Invalid IPv6 address"</span>);
<a name="l00305"></a>00305 <span class="keywordflow">goto</span> errout;
<a name="l00306"></a>00306 }
<a name="l00307"></a>00307 }
<a name="l00308"></a>00308
<a name="l00309"></a>00309 <span class="keywordflow">if</span> ((hint == AF_LLC || hint == AF_UNSPEC) && strchr(str, <span class="charliteral">':'</span>)) {
<a name="l00310"></a>00310 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> a, b, c, d, e, f;
<a name="l00311"></a>00311
<a name="l00312"></a>00312 <span class="keywordflow">if</span> (sscanf(str, <span class="stringliteral">"%02x:%02x:%02x:%02x:%02x:%02x"</span>,
<a name="l00313"></a>00313 &a, &b, &c, &d, &e, &f) == 6) {
<a name="l00314"></a>00314 family = AF_LLC;
<a name="l00315"></a>00315 len = 6;
<a name="l00316"></a>00316 buf[0] = (<span class="keywordtype">unsigned</span> char) a;
<a name="l00317"></a>00317 buf[1] = (<span class="keywordtype">unsigned</span> char) b;
<a name="l00318"></a>00318 buf[2] = (<span class="keywordtype">unsigned</span> char) c;
<a name="l00319"></a>00319 buf[3] = (<span class="keywordtype">unsigned</span> char) d;
<a name="l00320"></a>00320 buf[4] = (<span class="keywordtype">unsigned</span> char) e;
<a name="l00321"></a>00321 buf[5] = (<span class="keywordtype">unsigned</span> char) f;
<a name="l00322"></a>00322 <span class="keywordflow">goto</span> prefix;
<a name="l00323"></a>00323 }
<a name="l00324"></a>00324
<a name="l00325"></a>00325 <span class="keywordflow">if</span> (hint == AF_LLC) {
<a name="l00326"></a>00326 err = nl_error(EINVAL, <span class="stringliteral">"Invalid link layer address"</span>);
<a name="l00327"></a>00327 <span class="keywordflow">goto</span> errout;
<a name="l00328"></a>00328 }
<a name="l00329"></a>00329 }
<a name="l00330"></a>00330
<a name="l00331"></a>00331 <span class="keywordflow">if</span> ((hint == AF_DECnet || hint == AF_UNSPEC) &&
<a name="l00332"></a>00332 (strchr(str, <span class="charliteral">'.'</span>) || strchr(str, <span class="charliteral">','</span>))) {
<a name="l00333"></a>00333 <span class="keywordflow">if</span> (dnet_pton(str, buf) > 0) {
<a name="l00334"></a>00334 family = AF_DECnet;
<a name="l00335"></a>00335 len = 2;
<a name="l00336"></a>00336 <span class="keywordflow">goto</span> prefix;
<a name="l00337"></a>00337 }
<a name="l00338"></a>00338 <span class="keywordflow">if</span> (hint == AF_DECnet) {
<a name="l00339"></a>00339 err = nl_error(EINVAL, <span class="stringliteral">"Invalid DECnet address"</span>);
<a name="l00340"></a>00340 <span class="keywordflow">goto</span> errout;
<a name="l00341"></a>00341 }
<a name="l00342"></a>00342 }
<a name="l00343"></a>00343
<a name="l00344"></a>00344 <span class="keywordflow">if</span> (hint == AF_UNSPEC && strchr(str, <span class="charliteral">':'</span>)) {
<a name="l00345"></a>00345 <span class="keywordtype">int</span> i = 0;
<a name="l00346"></a>00346 <span class="keywordtype">char</span> *s = str, *p;
<a name="l00347"></a>00347 <span class="keywordflow">for</span> (;;) {
<a name="l00348"></a>00348 <span class="keywordtype">long</span> l = strtol(s, &p, 16);
<a name="l00349"></a>00349
<a name="l00350"></a>00350 <span class="keywordflow">if</span> (s == p || l > 0xff || i >= <span class="keyword">sizeof</span>(buf)) {
<a name="l00351"></a>00351 err = -EINVAL;
<a name="l00352"></a>00352 <span class="keywordflow">goto</span> errout;
<a name="l00353"></a>00353 }
<a name="l00354"></a>00354
<a name="l00355"></a>00355 buf[i++] = (<span class="keywordtype">unsigned</span> char) l;
<a name="l00356"></a>00356 <span class="keywordflow">if</span> (*p == <span class="charliteral">'\0'</span>)
<a name="l00357"></a>00357 <span class="keywordflow">break</span>;
<a name="l00358"></a>00358 s = ++p;
<a name="l00359"></a>00359 }
<a name="l00360"></a>00360
<a name="l00361"></a>00361 len = i;
<a name="l00362"></a>00362 family = AF_UNSPEC;
<a name="l00363"></a>00363 <span class="keywordflow">goto</span> prefix;
<a name="l00364"></a>00364 }
<a name="l00365"></a>00365
<a name="l00366"></a>00366 err = nl_error(EINVAL, <span class="stringliteral">"Invalid address"</span>);
<a name="l00367"></a>00367 <span class="keywordflow">goto</span> errout;
<a name="l00368"></a>00368
<a name="l00369"></a>00369 prefix:
<a name="l00370"></a>00370 addr = <a class="code" href="group__addr.html#ga95f044c6a8065a7e909ffe214517c501" title="Allocate new abstract address object.">nl_addr_alloc</a>(len);
<a name="l00371"></a>00371 <span class="keywordflow">if</span> (!addr) {
<a name="l00372"></a>00372 err = nl_errno(ENOMEM);
<a name="l00373"></a>00373 <span class="keywordflow">goto</span> errout;
<a name="l00374"></a>00374 }
<a name="l00375"></a>00375
<a name="l00376"></a>00376 nl_addr_set_family(addr, family);
<a name="l00377"></a>00377
<a name="l00378"></a>00378 <span class="keywordflow">if</span> (copy)
<a name="l00379"></a>00379 <a class="code" href="group__addr.html#ga85252474e38e570abadb76cc888d9cb0" title="Set binary address of abstract address object.">nl_addr_set_binary_addr</a>(addr, buf, len);
<a name="l00380"></a>00380
<a name="l00381"></a>00381 <span class="keywordflow">if</span> (prefix) {
<a name="l00382"></a>00382 <span class="keywordtype">char</span> *p;
<a name="l00383"></a>00383 <span class="keywordtype">long</span> pl = strtol(++prefix, &p, 0);
<a name="l00384"></a>00384 <span class="keywordflow">if</span> (p == prefix) {
<a name="l00385"></a>00385 <a class="code" href="group__addr.html#ga207e09ec819653e397cca5760351ee6c" title="Destroy abstract address object.">nl_addr_destroy</a>(addr);
<a name="l00386"></a>00386 err = -EINVAL;
<a name="l00387"></a>00387 <span class="keywordflow">goto</span> errout;
<a name="l00388"></a>00388 }
<a name="l00389"></a>00389 nl_addr_set_prefixlen(addr, pl);
<a name="l00390"></a>00390 } <span class="keywordflow">else</span>
<a name="l00391"></a>00391 nl_addr_set_prefixlen(addr, len * 8);
<a name="l00392"></a>00392
<a name="l00393"></a>00393 err = 0;
<a name="l00394"></a>00394 errout:
<a name="l00395"></a>00395 free(str);
<a name="l00396"></a>00396
<a name="l00397"></a>00397 <span class="keywordflow">return</span> err ? NULL : addr;
<a name="l00398"></a>00398 }
<a name="l00399"></a>00399 <span class="comment"></span>
<a name="l00400"></a>00400 <span class="comment">/**</span>
<a name="l00401"></a>00401 <span class="comment"> * Clone existing abstract address object.</span>
<a name="l00402"></a>00402 <span class="comment"> * @arg addr Abstract address object.</span>
<a name="l00403"></a>00403 <span class="comment"> * @return Newly allocated abstract address object being a duplicate of the</span>
<a name="l00404"></a>00404 <span class="comment"> * specified address object or NULL if a failure occured.</span>
<a name="l00405"></a>00405 <span class="comment"> */</span>
<a name="l00406"></a><a class="code" href="group__addr.html#ga40b37a1ccec7acf84d868e588e516cba">00406</a> <span class="keyword">struct </span>nl_addr *<a class="code" href="group__addr.html#ga40b37a1ccec7acf84d868e588e516cba" title="Clone existing abstract address object.">nl_addr_clone</a>(<span class="keyword">struct</span> nl_addr *addr)
<a name="l00407"></a>00407 {
<a name="l00408"></a>00408 <span class="keyword">struct </span>nl_addr *<span class="keyword">new</span>;
<a name="l00409"></a>00409
<a name="l00410"></a>00410 <span class="keyword">new</span> = <a class="code" href="group__addr.html#ga3ba58249a980740157be8a4fca3635fd" title="Allocate new abstract address object based on a binary address.">nl_addr_build</a>(addr->a_family, addr->a_addr, addr->a_len);
<a name="l00411"></a>00411 <span class="keywordflow">if</span> (<span class="keyword">new</span>)
<a name="l00412"></a>00412 <span class="keyword">new</span>->a_prefixlen = addr->a_prefixlen;
<a name="l00413"></a>00413
<a name="l00414"></a>00414 <span class="keywordflow">return</span> <span class="keyword">new</span>;
<a name="l00415"></a>00415 }
<a name="l00416"></a>00416 <span class="comment"></span>
<a name="l00417"></a>00417 <span class="comment">/** @} */</span>
<a name="l00418"></a>00418 <span class="comment"></span>
<a name="l00419"></a>00419 <span class="comment">/**</span>
<a name="l00420"></a>00420 <span class="comment"> * @name Destroying Abstract Addresses</span>
<a name="l00421"></a>00421 <span class="comment"> * @{</span>
<a name="l00422"></a>00422 <span class="comment"> */</span>
<a name="l00423"></a>00423 <span class="comment"></span>
<a name="l00424"></a>00424 <span class="comment">/**</span>
<a name="l00425"></a>00425 <span class="comment"> * Destroy abstract address object.</span>
<a name="l00426"></a>00426 <span class="comment"> * @arg addr Abstract address object.</span>
<a name="l00427"></a>00427 <span class="comment"> */</span>
<a name="l00428"></a><a class="code" href="group__addr.html#ga207e09ec819653e397cca5760351ee6c">00428</a> <span class="keywordtype">void</span> <a class="code" href="group__addr.html#ga207e09ec819653e397cca5760351ee6c" title="Destroy abstract address object.">nl_addr_destroy</a>(<span class="keyword">struct</span> nl_addr *addr)
<a name="l00429"></a>00429 {
<a name="l00430"></a>00430 <span class="keywordflow">if</span> (!addr)
<a name="l00431"></a>00431 <span class="keywordflow">return</span>;
<a name="l00432"></a>00432
<a name="l00433"></a>00433 <span class="keywordflow">if</span> (addr->a_refcnt != 1)
<a name="l00434"></a>00434 BUG();
<a name="l00435"></a>00435
<a name="l00436"></a>00436 free(addr);
<a name="l00437"></a>00437 }
<a name="l00438"></a>00438 <span class="comment"></span>
<a name="l00439"></a>00439 <span class="comment">/** @} */</span>
<a name="l00440"></a>00440 <span class="comment"></span>
<a name="l00441"></a>00441 <span class="comment">/**</span>
<a name="l00442"></a>00442 <span class="comment"> * @name Managing Usage References</span>
<a name="l00443"></a>00443 <span class="comment"> * @{</span>
<a name="l00444"></a>00444 <span class="comment"> */</span>
<a name="l00445"></a>00445
<a name="l00446"></a>00446 <span class="keyword">struct </span>nl_addr *nl_addr_get(<span class="keyword">struct</span> nl_addr *addr)
<a name="l00447"></a>00447 {
<a name="l00448"></a>00448 addr->a_refcnt++;
<a name="l00449"></a>00449
<a name="l00450"></a>00450 <span class="keywordflow">return</span> addr;
<a name="l00451"></a>00451 }
<a name="l00452"></a>00452
<a name="l00453"></a>00453 <span class="keywordtype">void</span> nl_addr_put(<span class="keyword">struct</span> nl_addr *addr)
<a name="l00454"></a>00454 {
<a name="l00455"></a>00455 <span class="keywordflow">if</span> (!addr)
<a name="l00456"></a>00456 <span class="keywordflow">return</span>;
<a name="l00457"></a>00457
<a name="l00458"></a>00458 <span class="keywordflow">if</span> (addr->a_refcnt == 1)
<a name="l00459"></a>00459 <a class="code" href="group__addr.html#ga207e09ec819653e397cca5760351ee6c" title="Destroy abstract address object.">nl_addr_destroy</a>(addr);
<a name="l00460"></a>00460 <span class="keywordflow">else</span>
<a name="l00461"></a>00461 addr->a_refcnt--;
<a name="l00462"></a>00462 }
<a name="l00463"></a>00463 <span class="comment"></span>
<a name="l00464"></a>00464 <span class="comment">/**</span>
<a name="l00465"></a>00465 <span class="comment"> * Check whether an abstract address object is shared.</span>
<a name="l00466"></a>00466 <span class="comment"> * @arg addr Abstract address object.</span>
<a name="l00467"></a>00467 <span class="comment"> * @return Non-zero if the abstract address object is shared, otherwise 0.</span>
<a name="l00468"></a>00468 <span class="comment"> */</span>
<a name="l00469"></a><a class="code" href="group__addr.html#gad8efee1b6e850834310120ab79927966">00469</a> <span class="keywordtype">int</span> <a class="code" href="group__addr.html#gad8efee1b6e850834310120ab79927966" title="Check whether an abstract address object is shared.">nl_addr_shared</a>(<span class="keyword">struct</span> nl_addr *addr)
<a name="l00470"></a>00470 {
<a name="l00471"></a>00471 <span class="keywordflow">return</span> addr->a_refcnt > 1;
<a name="l00472"></a>00472 }
<a name="l00473"></a>00473 <span class="comment"></span>
<a name="l00474"></a>00474 <span class="comment">/** @} */</span>
<a name="l00475"></a>00475 <span class="comment"></span>
<a name="l00476"></a>00476 <span class="comment">/**</span>
<a name="l00477"></a>00477 <span class="comment"> * @name Miscellaneous</span>
<a name="l00478"></a>00478 <span class="comment"> * @{</span>
<a name="l00479"></a>00479 <span class="comment"> */</span>
<a name="l00480"></a>00480 <span class="comment"></span>
<a name="l00481"></a>00481 <span class="comment">/**</span>
<a name="l00482"></a>00482 <span class="comment"> * Compares two abstract address objects.</span>
<a name="l00483"></a>00483 <span class="comment"> * @arg a A abstract address object.</span>
<a name="l00484"></a>00484 <span class="comment"> * @arg b Another abstract address object.</span>
<a name="l00485"></a>00485 <span class="comment"> *</span>
<a name="l00486"></a>00486 <span class="comment"> * @return Integer less than, equal to or greather than zero if \c is found,</span>
<a name="l00487"></a>00487 <span class="comment"> * respectively to be less than, to, or be greater than \c b.</span>
<a name="l00488"></a>00488 <span class="comment"> */</span>
<a name="l00489"></a><a class="code" href="group__addr.html#ga3b85d180a4f6d2df86be1dc8798a7d9a">00489</a> <span class="keywordtype">int</span> <a class="code" href="group__addr.html#ga3b85d180a4f6d2df86be1dc8798a7d9a" title="Compares two abstract address objects.">nl_addr_cmp</a>(<span class="keyword">struct</span> nl_addr *a, <span class="keyword">struct</span> nl_addr *b)
<a name="l00490"></a>00490 {
<a name="l00491"></a>00491 <span class="keywordtype">int</span> d = a->a_family - b->a_family;
<a name="l00492"></a>00492
<a name="l00493"></a>00493 <span class="keywordflow">if</span> (d == 0) {
<a name="l00494"></a>00494 d = a->a_len - b->a_len;
<a name="l00495"></a>00495
<a name="l00496"></a>00496 <span class="keywordflow">if</span> (a->a_len && d == 0)
<a name="l00497"></a>00497 <span class="keywordflow">return</span> memcmp(a->a_addr, b->a_addr, a->a_len);
<a name="l00498"></a>00498 }
<a name="l00499"></a>00499
<a name="l00500"></a>00500 <span class="keywordflow">return</span> d;
<a name="l00501"></a>00501 }
<a name="l00502"></a>00502 <span class="comment"></span>
<a name="l00503"></a>00503 <span class="comment">/**</span>
<a name="l00504"></a>00504 <span class="comment"> * Compares the prefix of two abstract address objects.</span>
<a name="l00505"></a>00505 <span class="comment"> * @arg a A abstract address object.</span>
<a name="l00506"></a>00506 <span class="comment"> * @arg b Another abstract address object.</span>
<a name="l00507"></a>00507 <span class="comment"> *</span>
<a name="l00508"></a>00508 <span class="comment"> * @return Integer less than, equal to or greather than zero if \c is found,</span>
<a name="l00509"></a>00509 <span class="comment"> * respectively to be less than, to, or be greater than \c b.</span>
<a name="l00510"></a>00510 <span class="comment"> */</span>
<a name="l00511"></a><a class="code" href="group__addr.html#ga777eeb15fd47b88a43aea067139cb7e4">00511</a> <span class="keywordtype">int</span> <a class="code" href="group__addr.html#ga777eeb15fd47b88a43aea067139cb7e4" title="Compares the prefix of two abstract address objects.">nl_addr_cmp_prefix</a>(<span class="keyword">struct</span> nl_addr *a, <span class="keyword">struct</span> nl_addr *b)
<a name="l00512"></a>00512 {
<a name="l00513"></a>00513 <span class="keywordtype">int</span> d = a->a_family - b->a_family;
<a name="l00514"></a>00514
<a name="l00515"></a>00515 <span class="keywordflow">if</span> (d == 0) {
<a name="l00516"></a>00516 <span class="keywordtype">int</span> len = min(a->a_prefixlen, b->a_prefixlen);
<a name="l00517"></a>00517 <span class="keywordtype">int</span> bytes = len / 8;
<a name="l00518"></a>00518
<a name="l00519"></a>00519 d = memcmp(a->a_addr, b->a_addr, bytes);
<a name="l00520"></a>00520 <span class="keywordflow">if</span> (d == 0) {
<a name="l00521"></a>00521 <span class="keywordtype">int</span> mask = (1UL << (len % 8)) - 1UL;
<a name="l00522"></a>00522
<a name="l00523"></a>00523 d = (a->a_addr[bytes] & mask) -
<a name="l00524"></a>00524 (b->a_addr[bytes] & mask);
<a name="l00525"></a>00525 }
<a name="l00526"></a>00526 }
<a name="l00527"></a>00527
<a name="l00528"></a>00528 <span class="keywordflow">return</span> d;
<a name="l00529"></a>00529 }
<a name="l00530"></a>00530 <span class="comment"></span>
<a name="l00531"></a>00531 <span class="comment">/**</span>
<a name="l00532"></a>00532 <span class="comment"> * Returns true if the address consists of all zeros</span>
<a name="l00533"></a>00533 <span class="comment"> * @arg addr Address to look at.</span>
<a name="l00534"></a>00534 <span class="comment"> */</span>
<a name="l00535"></a><a class="code" href="group__addr.html#ga5ca21cacd97bd78ac00319a181f4b628">00535</a> <span class="keywordtype">int</span> <a class="code" href="group__addr.html#ga5ca21cacd97bd78ac00319a181f4b628" title="Returns true if the address consists of all zeros.">nl_addr_iszero</a>(<span class="keyword">struct</span> nl_addr *addr)
<a name="l00536"></a>00536 {
<a name="l00537"></a>00537 <span class="keywordtype">int</span> i;
<a name="l00538"></a>00538
<a name="l00539"></a>00539 <span class="keywordflow">for</span> (i = 0; i < addr->a_len; i++)
<a name="l00540"></a>00540 <span class="keywordflow">if</span> (addr->a_addr[i])
<a name="l00541"></a>00541 <span class="keywordflow">return</span> 0;
<a name="l00542"></a>00542
<a name="l00543"></a>00543 <span class="keywordflow">return</span> 1;
<a name="l00544"></a>00544 }
<a name="l00545"></a>00545 <span class="comment"></span>
<a name="l00546"></a>00546 <span class="comment">/**</span>
<a name="l00547"></a>00547 <span class="comment"> * Check if an address matches a certain family.</span>
<a name="l00548"></a>00548 <span class="comment"> * @arg addr Address represented as character string.</span>
<a name="l00549"></a>00549 <span class="comment"> * @arg family Desired address family.</span>
<a name="l00550"></a>00550 <span class="comment"> *</span>
<a name="l00551"></a>00551 <span class="comment"> * @return 1 if the address is of the desired address family,</span>
<a name="l00552"></a>00552 <span class="comment"> * otherwise 0 is returned.</span>
<a name="l00553"></a>00553 <span class="comment"> */</span>
<a name="l00554"></a><a class="code" href="group__addr.html#gadeee18d1b98665be71cb39b574a3969e">00554</a> <span class="keywordtype">int</span> <a class="code" href="group__addr.html#gadeee18d1b98665be71cb39b574a3969e" title="Check if an address matches a certain family.">nl_addr_valid</a>(<span class="keywordtype">char</span> *addr, <span class="keywordtype">int</span> family)
<a name="l00555"></a>00555 {
<a name="l00556"></a>00556 <span class="keywordtype">int</span> ret;
<a name="l00557"></a>00557 <span class="keywordtype">char</span> buf[32];
<a name="l00558"></a>00558
<a name="l00559"></a>00559 <span class="keywordflow">switch</span> (family) {
<a name="l00560"></a>00560 <span class="keywordflow">case</span> AF_INET:
<a name="l00561"></a>00561 <span class="keywordflow">case</span> AF_INET6:
<a name="l00562"></a>00562 ret = inet_pton(family, addr, buf);
<a name="l00563"></a>00563 <span class="keywordflow">if</span> (ret <= 0)
<a name="l00564"></a>00564 <span class="keywordflow">return</span> 0;
<a name="l00565"></a>00565 <span class="keywordflow">break</span>;
<a name="l00566"></a>00566
<a name="l00567"></a>00567 <span class="keywordflow">case</span> AF_DECnet:
<a name="l00568"></a>00568 ret = dnet_pton(addr, buf);
<a name="l00569"></a>00569 <span class="keywordflow">if</span> (ret <= 0)
<a name="l00570"></a>00570 <span class="keywordflow">return</span> 0;
<a name="l00571"></a>00571 <span class="keywordflow">break</span>;
<a name="l00572"></a>00572
<a name="l00573"></a>00573 <span class="keywordflow">case</span> AF_LLC:
<a name="l00574"></a>00574 <span class="keywordflow">if</span> (sscanf(addr, <span class="stringliteral">"%*02x:%*02x:%*02x:%*02x:%*02x:%*02x"</span>) != 6)
<a name="l00575"></a>00575 <span class="keywordflow">return</span> 0;
<a name="l00576"></a>00576 <span class="keywordflow">break</span>;
<a name="l00577"></a>00577 }
<a name="l00578"></a>00578
<a name="l00579"></a>00579 <span class="keywordflow">return</span> 1;
<a name="l00580"></a>00580 }
<a name="l00581"></a>00581 <span class="comment"></span>
<a name="l00582"></a>00582 <span class="comment">/**</span>
<a name="l00583"></a>00583 <span class="comment"> * Guess address family of an abstract address object based on address size.</span>
<a name="l00584"></a>00584 <span class="comment"> * @arg addr Abstract address object.</span>
<a name="l00585"></a>00585 <span class="comment"> * @return Address family or AF_UNSPEC if guessing wasn't successful.</span>
<a name="l00586"></a>00586 <span class="comment"> */</span>
<a name="l00587"></a><a class="code" href="group__addr.html#gaff2e98f656a046a29c561db403a8ec82">00587</a> <span class="keywordtype">int</span> <a class="code" href="group__addr.html#gaff2e98f656a046a29c561db403a8ec82" title="Guess address family of an abstract address object based on address size.">nl_addr_guess_family</a>(<span class="keyword">struct</span> nl_addr *addr)
<a name="l00588"></a>00588 {
<a name="l00589"></a>00589 <span class="keywordflow">switch</span> (addr->a_len) {
<a name="l00590"></a>00590 <span class="keywordflow">case</span> 4:
<a name="l00591"></a>00591 <span class="keywordflow">return</span> AF_INET;
<a name="l00592"></a>00592 <span class="keywordflow">case</span> 6:
<a name="l00593"></a>00593 <span class="keywordflow">return</span> AF_LLC;
<a name="l00594"></a>00594 <span class="keywordflow">case</span> 16:
<a name="l00595"></a>00595 <span class="keywordflow">return</span> AF_INET6;
<a name="l00596"></a>00596 <span class="keywordflow">default</span>:
<a name="l00597"></a>00597 <span class="keywordflow">return</span> AF_UNSPEC;
<a name="l00598"></a>00598 }
<a name="l00599"></a>00599 }
<a name="l00600"></a>00600 <span class="comment"></span>
<a name="l00601"></a>00601 <span class="comment">/**</span>
<a name="l00602"></a>00602 <span class="comment"> * Fill out sockaddr structure with values from abstract address object.</span>
<a name="l00603"></a>00603 <span class="comment"> * @arg addr Abstract address object.</span>
<a name="l00604"></a>00604 <span class="comment"> * @arg sa Destination sockaddr structure buffer.</span>
<a name="l00605"></a>00605 <span class="comment"> * @arg salen Length of sockaddr structure buffer.</span>
<a name="l00606"></a>00606 <span class="comment"> *</span>
<a name="l00607"></a>00607 <span class="comment"> * Fills out the specified sockaddr structure with the data found in the</span>
<a name="l00608"></a>00608 <span class="comment"> * specified abstract address. The salen argument needs to be set to the</span>
<a name="l00609"></a>00609 <span class="comment"> * size of sa but will be modified to the actual size used during before</span>
<a name="l00610"></a>00610 <span class="comment"> * the function exits.</span>
<a name="l00611"></a>00611 <span class="comment"> *</span>
<a name="l00612"></a>00612 <span class="comment"> * @return 0 on success or a negative error code</span>
<a name="l00613"></a>00613 <span class="comment"> */</span>
<a name="l00614"></a><a class="code" href="group__addr.html#ga21d22fc4131cc8be9863442ffce73c05">00614</a> <span class="keywordtype">int</span> <a class="code" href="group__addr.html#ga21d22fc4131cc8be9863442ffce73c05" title="Fill out sockaddr structure with values from abstract address object.">nl_addr_fill_sockaddr</a>(<span class="keyword">struct</span> nl_addr *addr, <span class="keyword">struct</span> sockaddr *sa,
<a name="l00615"></a>00615 socklen_t *salen)
<a name="l00616"></a>00616 {
<a name="l00617"></a>00617 <span class="keywordflow">switch</span> (addr->a_family) {
<a name="l00618"></a>00618 <span class="keywordflow">case</span> AF_INET: {
<a name="l00619"></a>00619 <span class="keyword">struct </span>sockaddr_in *sai = (<span class="keyword">struct </span>sockaddr_in *) sa;
<a name="l00620"></a>00620
<a name="l00621"></a>00621 <span class="keywordflow">if</span> (*salen < <span class="keyword">sizeof</span>(*sai))
<a name="l00622"></a>00622 <span class="keywordflow">return</span> -EINVAL;
<a name="l00623"></a>00623
<a name="l00624"></a>00624 sai->sin_family = addr->a_family;
<a name="l00625"></a>00625 memcpy(&sai->sin_addr, addr->a_addr, 4);
<a name="l00626"></a>00626 *salen = <span class="keyword">sizeof</span>(*sai);
<a name="l00627"></a>00627 }
<a name="l00628"></a>00628 <span class="keywordflow">break</span>;
<a name="l00629"></a>00629
<a name="l00630"></a>00630 <span class="keywordflow">case</span> AF_INET6: {
<a name="l00631"></a>00631 <span class="keyword">struct </span>sockaddr_in6 *sa6 = (<span class="keyword">struct </span>sockaddr_in6 *) sa;
<a name="l00632"></a>00632
<a name="l00633"></a>00633 <span class="keywordflow">if</span> (*salen < <span class="keyword">sizeof</span>(*sa6))
<a name="l00634"></a>00634 <span class="keywordflow">return</span> -EINVAL;
<a name="l00635"></a>00635
<a name="l00636"></a>00636 sa6->sin6_family = addr->a_family;
<a name="l00637"></a>00637 memcpy(&sa6->sin6_addr, addr->a_addr, 16);
<a name="l00638"></a>00638 *salen = <span class="keyword">sizeof</span>(*sa6);
<a name="l00639"></a>00639 }
<a name="l00640"></a>00640 <span class="keywordflow">break</span>;
<a name="l00641"></a>00641
<a name="l00642"></a>00642 <span class="keywordflow">default</span>:
<a name="l00643"></a>00643 <span class="keywordflow">return</span> -EINVAL;
<a name="l00644"></a>00644 }
<a name="l00645"></a>00645
<a name="l00646"></a>00646 <span class="keywordflow">return</span> 0;
<a name="l00647"></a>00647 }
<a name="l00648"></a>00648
<a name="l00649"></a>00649 <span class="comment"></span>
<a name="l00650"></a>00650 <span class="comment">/** @} */</span>
<a name="l00651"></a>00651 <span class="comment"></span>
<a name="l00652"></a>00652 <span class="comment">/**</span>
<a name="l00653"></a>00653 <span class="comment"> * @name Getting Information About Addresses</span>
<a name="l00654"></a>00654 <span class="comment"> * @{</span>
<a name="l00655"></a>00655 <span class="comment"> */</span>
<a name="l00656"></a>00656 <span class="comment"></span>
<a name="l00657"></a>00657 <span class="comment">/**</span>
<a name="l00658"></a>00658 <span class="comment"> * Call getaddrinfo() for an abstract address object.</span>
<a name="l00659"></a>00659 <span class="comment"> * @arg addr Abstract address object.</span>
<a name="l00660"></a>00660 <span class="comment"> * </span>
<a name="l00661"></a>00661 <span class="comment"> * Calls getaddrinfo() for the specified abstract address in AI_NUMERICHOST</span>
<a name="l00662"></a>00662 <span class="comment"> * mode.</span>
<a name="l00663"></a>00663 <span class="comment"> *</span>
<a name="l00664"></a>00664 <span class="comment"> * @note The caller is responsible for freeing the linked list using the</span>
<a name="l00665"></a>00665 <span class="comment"> * interface provided by getaddrinfo(3).</span>
<a name="l00666"></a>00666 <span class="comment"> *</span>
<a name="l00667"></a>00667 <span class="comment"> * @return A linked list of addrinfo handles or NULL with an error message</span>
<a name="l00668"></a>00668 <span class="comment"> * associated.</span>
<a name="l00669"></a>00669 <span class="comment"> */</span>
<a name="l00670"></a><a class="code" href="group__addr.html#ga7b58c0b73f416350843622b70d9bb9fc">00670</a> <span class="keyword">struct </span>addrinfo *<a class="code" href="group__addr.html#ga7b58c0b73f416350843622b70d9bb9fc" title="Call getaddrinfo() for an abstract address object.">nl_addr_info</a>(<span class="keyword">struct</span> nl_addr *addr)
<a name="l00671"></a>00671 {
<a name="l00672"></a>00672 <span class="keywordtype">int</span> err;
<a name="l00673"></a>00673 <span class="keyword">struct </span>addrinfo *res;
<a name="l00674"></a>00674 <span class="keywordtype">char</span> buf[INET6_ADDRSTRLEN+5];
<a name="l00675"></a>00675 <span class="keyword">struct </span>addrinfo hint = {
<a name="l00676"></a>00676 .ai_flags = AI_NUMERICHOST,
<a name="l00677"></a>00677 .ai_family = addr->a_family,
<a name="l00678"></a>00678 };
<a name="l00679"></a>00679
<a name="l00680"></a>00680 <a class="code" href="group__addr.html#ga6471f04b9fa8ef1d4af1bf2b87b49529" title="Convert abstract address object to character string.">nl_addr2str</a>(addr, buf, <span class="keyword">sizeof</span>(buf));
<a name="l00681"></a>00681
<a name="l00682"></a>00682 err = getaddrinfo(buf, NULL, &hint, &res);
<a name="l00683"></a>00683 <span class="keywordflow">if</span> (err != 0) {
<a name="l00684"></a>00684 nl_error(err, gai_strerror(err));
<a name="l00685"></a>00685 <span class="keywordflow">return</span> NULL;
<a name="l00686"></a>00686 }
<a name="l00687"></a>00687
<a name="l00688"></a>00688 <span class="keywordflow">return</span> res;
<a name="l00689"></a>00689 }
<a name="l00690"></a>00690 <span class="comment"></span>
<a name="l00691"></a>00691 <span class="comment">/**</span>
<a name="l00692"></a>00692 <span class="comment"> * Resolve abstract address object to a name using getnameinfo().</span>
<a name="l00693"></a>00693 <span class="comment"> * @arg addr Abstract address object.</span>
<a name="l00694"></a>00694 <span class="comment"> * @arg host Destination buffer for host name.</span>
<a name="l00695"></a>00695 <span class="comment"> * @arg hostlen Length of destination buffer.</span>
<a name="l00696"></a>00696 <span class="comment"> *</span>
<a name="l00697"></a>00697 <span class="comment"> * Resolves the abstract address to a name and writes the looked up result</span>
<a name="l00698"></a>00698 <span class="comment"> * into the host buffer. getnameinfo() is used to perform the lookup and</span>
<a name="l00699"></a>00699 <span class="comment"> * is put into NI_NAMEREQD mode so the function will fail if the lookup</span>
<a name="l00700"></a>00700 <span class="comment"> * couldn't be performed.</span>
<a name="l00701"></a>00701 <span class="comment"> *</span>
<a name="l00702"></a>00702 <span class="comment"> * @return 0 on success or a negative error code.</span>
<a name="l00703"></a>00703 <span class="comment"> */</span>
<a name="l00704"></a><a class="code" href="group__addr.html#ga74bf028c08e6fbb2679ef684a9cb671a">00704</a> <span class="keywordtype">int</span> <a class="code" href="group__addr.html#ga74bf028c08e6fbb2679ef684a9cb671a" title="Resolve abstract address object to a name using getnameinfo().">nl_addr_resolve</a>(<span class="keyword">struct</span> nl_addr *addr, <span class="keywordtype">char</span> *host, <span class="keywordtype">size_t</span> hostlen)
<a name="l00705"></a>00705 {
<a name="l00706"></a>00706 <span class="keywordtype">int</span> err;
<a name="l00707"></a>00707 <span class="keyword">struct </span>sockaddr_in6 buf;
<a name="l00708"></a>00708 socklen_t salen = <span class="keyword">sizeof</span>(buf);
<a name="l00709"></a>00709
<a name="l00710"></a>00710 err = <a class="code" href="group__addr.html#ga21d22fc4131cc8be9863442ffce73c05" title="Fill out sockaddr structure with values from abstract address object.">nl_addr_fill_sockaddr</a>(addr, (<span class="keyword">struct</span> sockaddr *) &buf, &salen);
<a name="l00711"></a>00711 <span class="keywordflow">if</span> (err < 0)
<a name="l00712"></a>00712 <span class="keywordflow">return</span> err;
<a name="l00713"></a>00713
<a name="l00714"></a>00714 <span class="keywordflow">return</span> getnameinfo((<span class="keyword">struct</span> sockaddr *) &buf, salen,
<a name="l00715"></a>00715 host, hostlen, NULL, 0, NI_NAMEREQD);
<a name="l00716"></a>00716 }
<a name="l00717"></a>00717 <span class="comment"></span>
<a name="l00718"></a>00718 <span class="comment">/** @} */</span>
<a name="l00719"></a>00719 <span class="comment"></span>
<a name="l00720"></a>00720 <span class="comment">/**</span>
<a name="l00721"></a>00721 <span class="comment"> * @name Attributes</span>
<a name="l00722"></a>00722 <span class="comment"> * @{</span>
<a name="l00723"></a>00723 <span class="comment"> */</span>
<a name="l00724"></a>00724
<a name="l00725"></a>00725 <span class="keywordtype">void</span> nl_addr_set_family(<span class="keyword">struct</span> nl_addr *addr, <span class="keywordtype">int</span> family)
<a name="l00726"></a>00726 {
<a name="l00727"></a>00727 addr->a_family = family;
<a name="l00728"></a>00728 }
<a name="l00729"></a>00729
<a name="l00730"></a>00730 <span class="keywordtype">int</span> nl_addr_get_family(<span class="keyword">struct</span> nl_addr *addr)
<a name="l00731"></a>00731 {
<a name="l00732"></a>00732 <span class="keywordflow">return</span> addr->a_family;
<a name="l00733"></a>00733 }
<a name="l00734"></a>00734 <span class="comment"></span>
<a name="l00735"></a>00735 <span class="comment">/**</span>
<a name="l00736"></a>00736 <span class="comment"> * Set binary address of abstract address object.</span>
<a name="l00737"></a>00737 <span class="comment"> * @arg addr Abstract address object.</span>
<a name="l00738"></a>00738 <span class="comment"> * @arg buf Buffer containing binary address.</span>
<a name="l00739"></a>00739 <span class="comment"> * @arg len Length of buffer containing binary address.</span>
<a name="l00740"></a>00740 <span class="comment"> */</span>
<a name="l00741"></a><a class="code" href="group__addr.html#ga85252474e38e570abadb76cc888d9cb0">00741</a> <span class="keywordtype">int</span> <a class="code" href="group__addr.html#ga85252474e38e570abadb76cc888d9cb0" title="Set binary address of abstract address object.">nl_addr_set_binary_addr</a>(<span class="keyword">struct</span> nl_addr *addr, <span class="keywordtype">void</span> *buf, <span class="keywordtype">size_t</span> len)
<a name="l00742"></a>00742 {
<a name="l00743"></a>00743 <span class="keywordflow">if</span> (len > addr->a_maxsize)
<a name="l00744"></a>00744 <span class="keywordflow">return</span> -ERANGE;
<a name="l00745"></a>00745
<a name="l00746"></a>00746 addr->a_len = len;
<a name="l00747"></a>00747 memcpy(addr->a_addr, buf, len);
<a name="l00748"></a>00748
<a name="l00749"></a>00749 <span class="keywordflow">return</span> 0;
<a name="l00750"></a>00750 }
<a name="l00751"></a>00751 <span class="comment"></span>
<a name="l00752"></a>00752 <span class="comment">/**</span>
<a name="l00753"></a>00753 <span class="comment"> * Get binary address of abstract address object.</span>
<a name="l00754"></a>00754 <span class="comment"> * @arg addr Abstract address object.</span>
<a name="l00755"></a>00755 <span class="comment"> */</span>
<a name="l00756"></a><a class="code" href="group__addr.html#ga7721da4e82e80e8b29960405539ca72d">00756</a> <span class="keywordtype">void</span> *<a class="code" href="group__addr.html#ga7721da4e82e80e8b29960405539ca72d" title="Get binary address of abstract address object.">nl_addr_get_binary_addr</a>(<span class="keyword">struct</span> nl_addr *addr)
<a name="l00757"></a>00757 {
<a name="l00758"></a>00758 <span class="keywordflow">return</span> addr->a_addr;
<a name="l00759"></a>00759 }
<a name="l00760"></a>00760 <span class="comment"></span>
<a name="l00761"></a>00761 <span class="comment">/**</span>
<a name="l00762"></a>00762 <span class="comment"> * Get length of binary address of abstract address object.</span>
<a name="l00763"></a>00763 <span class="comment"> * @arg addr Abstract address object.</span>
<a name="l00764"></a>00764 <span class="comment"> */</span>
<a name="l00765"></a><a class="code" href="group__addr.html#ga6c517a330f9fd12db0844f7ac0c72134">00765</a> <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> <a class="code" href="group__addr.html#ga6c517a330f9fd12db0844f7ac0c72134" title="Get length of binary address of abstract address object.">nl_addr_get_len</a>(<span class="keyword">struct</span> nl_addr *addr)
<a name="l00766"></a>00766 {
<a name="l00767"></a>00767 <span class="keywordflow">return</span> addr->a_len;
<a name="l00768"></a>00768 }
<a name="l00769"></a>00769
<a name="l00770"></a>00770 <span class="keywordtype">void</span> nl_addr_set_prefixlen(<span class="keyword">struct</span> nl_addr *addr, <span class="keywordtype">int</span> prefixlen)
<a name="l00771"></a>00771 {
<a name="l00772"></a>00772 addr->a_prefixlen = prefixlen;
<a name="l00773"></a>00773 }
<a name="l00774"></a>00774 <span class="comment"></span>
<a name="l00775"></a>00775 <span class="comment">/**</span>
<a name="l00776"></a>00776 <span class="comment"> * Get prefix length of abstract address object.</span>
<a name="l00777"></a>00777 <span class="comment"> * @arg addr Abstract address object.</span>
<a name="l00778"></a>00778 <span class="comment"> */</span>
<a name="l00779"></a><a class="code" href="group__addr.html#gabaeaaa163f115fff9318424fc9bd304b">00779</a> <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> <a class="code" href="group__addr.html#gabaeaaa163f115fff9318424fc9bd304b" title="Get prefix length of abstract address object.">nl_addr_get_prefixlen</a>(<span class="keyword">struct</span> nl_addr *addr)
<a name="l00780"></a>00780 {
<a name="l00781"></a>00781 <span class="keywordflow">return</span> addr->a_prefixlen;
<a name="l00782"></a>00782 }
<a name="l00783"></a>00783 <span class="comment"></span>
<a name="l00784"></a>00784 <span class="comment">/** @} */</span>
<a name="l00785"></a>00785 <span class="comment"></span>
<a name="l00786"></a>00786 <span class="comment">/**</span>
<a name="l00787"></a>00787 <span class="comment"> * @name Translations to Strings</span>
<a name="l00788"></a>00788 <span class="comment"> * @{</span>
<a name="l00789"></a>00789 <span class="comment"> */</span>
<a name="l00790"></a>00790 <span class="comment"></span>
<a name="l00791"></a>00791 <span class="comment">/**</span>
<a name="l00792"></a>00792 <span class="comment"> * Convert abstract address object to character string.</span>
<a name="l00793"></a>00793 <span class="comment"> * @arg addr Abstract address object.</span>
<a name="l00794"></a>00794 <span class="comment"> * @arg buf Destination buffer.</span>
<a name="l00795"></a>00795 <span class="comment"> * @arg size Size of destination buffer.</span>
<a name="l00796"></a>00796 <span class="comment"> *</span>
<a name="l00797"></a>00797 <span class="comment"> * Converts an abstract address to a character string and stores</span>
<a name="l00798"></a>00798 <span class="comment"> * the result in the specified destination buffer.</span>
<a name="l00799"></a>00799 <span class="comment"> *</span>
<a name="l00800"></a>00800 <span class="comment"> * @return Address represented in ASCII stored in destination buffer.</span>
<a name="l00801"></a>00801 <span class="comment"> */</span>
<a name="l00802"></a><a class="code" href="group__addr.html#ga6471f04b9fa8ef1d4af1bf2b87b49529">00802</a> <span class="keywordtype">char</span> *<a class="code" href="group__addr.html#ga6471f04b9fa8ef1d4af1bf2b87b49529" title="Convert abstract address object to character string.">nl_addr2str</a>(<span class="keyword">struct</span> nl_addr *addr, <span class="keywordtype">char</span> *buf, <span class="keywordtype">size_t</span> size)
<a name="l00803"></a>00803 {
<a name="l00804"></a>00804 <span class="keywordtype">int</span> i;
<a name="l00805"></a>00805 <span class="keywordtype">char</span> tmp[16];
<a name="l00806"></a>00806
<a name="l00807"></a>00807 <span class="keywordflow">if</span> (!addr->a_len) {
<a name="l00808"></a>00808 snprintf(buf, size, <span class="stringliteral">"none"</span>);
<a name="l00809"></a>00809 <span class="keywordflow">goto</span> prefix;
<a name="l00810"></a>00810 }
<a name="l00811"></a>00811
<a name="l00812"></a>00812 <span class="keywordflow">switch</span> (addr->a_family) {
<a name="l00813"></a>00813 <span class="keywordflow">case</span> AF_INET:
<a name="l00814"></a>00814 inet_ntop(AF_INET, addr->a_addr, buf, size);
<a name="l00815"></a>00815 <span class="keywordflow">break</span>;
<a name="l00816"></a>00816
<a name="l00817"></a>00817 <span class="keywordflow">case</span> AF_INET6:
<a name="l00818"></a>00818 inet_ntop(AF_INET6, addr->a_addr, buf, size);
<a name="l00819"></a>00819 <span class="keywordflow">break</span>;
<a name="l00820"></a>00820
<a name="l00821"></a>00821 <span class="keywordflow">case</span> AF_DECnet:
<a name="l00822"></a>00822 dnet_ntop(addr->a_addr, addr->a_len, buf, size);
<a name="l00823"></a>00823 <span class="keywordflow">break</span>;
<a name="l00824"></a>00824
<a name="l00825"></a>00825 <span class="keywordflow">case</span> AF_LLC:
<a name="l00826"></a>00826 <span class="keywordflow">default</span>:
<a name="l00827"></a>00827 snprintf(buf, size, <span class="stringliteral">"%02x"</span>,
<a name="l00828"></a>00828 (<span class="keywordtype">unsigned</span> <span class="keywordtype">char</span>) addr->a_addr[0]);
<a name="l00829"></a>00829 <span class="keywordflow">for</span> (i = 1; i < addr->a_len; i++) {
<a name="l00830"></a>00830 snprintf(tmp, <span class="keyword">sizeof</span>(tmp), <span class="stringliteral">":%02x"</span>,
<a name="l00831"></a>00831 (<span class="keywordtype">unsigned</span> <span class="keywordtype">char</span>) addr->a_addr[i]);
<a name="l00832"></a>00832 strncat(buf, tmp, size - strlen(buf) - 1);
<a name="l00833"></a>00833 }
<a name="l00834"></a>00834 <span class="keywordflow">break</span>;
<a name="l00835"></a>00835 }
<a name="l00836"></a>00836
<a name="l00837"></a>00837 prefix:
<a name="l00838"></a>00838 <span class="keywordflow">if</span> (addr->a_prefixlen != (8 * addr->a_len)) {
<a name="l00839"></a>00839 snprintf(tmp, <span class="keyword">sizeof</span>(tmp), <span class="stringliteral">"/%u"</span>, addr->a_prefixlen);
<a name="l00840"></a>00840 strncat(buf, tmp, size - strlen(buf) - 1);
<a name="l00841"></a>00841 }
<a name="l00842"></a>00842
<a name="l00843"></a>00843 <span class="keywordflow">return</span> buf;
<a name="l00844"></a>00844 }
<a name="l00845"></a>00845 <span class="comment"></span>
<a name="l00846"></a>00846 <span class="comment">/** @} */</span>
<a name="l00847"></a>00847 <span class="comment"></span>
<a name="l00848"></a>00848 <span class="comment">/**</span>
<a name="l00849"></a>00849 <span class="comment"> * @name Address Family Transformations</span>
<a name="l00850"></a>00850 <span class="comment"> * @{</span>
<a name="l00851"></a>00851 <span class="comment"> */</span>
<a name="l00852"></a>00852
<a name="l00853"></a>00853 <span class="keyword">static</span> <span class="keyword">struct </span>trans_tbl afs[] = {
<a name="l00854"></a>00854 __ADD(AF_UNSPEC,unspec)
<a name="l00855"></a>00855 __ADD(AF_UNIX,unix)
<a name="l00856"></a>00856 __ADD(AF_LOCAL,local)
<a name="l00857"></a>00857 __ADD(AF_INET,inet)
<a name="l00858"></a>00858 __ADD(AF_AX25,ax25)
<a name="l00859"></a>00859 __ADD(AF_IPX,ipx)
<a name="l00860"></a>00860 __ADD(AF_APPLETALK,appletalk)
<a name="l00861"></a>00861 __ADD(AF_NETROM,netrom)
<a name="l00862"></a>00862 __ADD(AF_BRIDGE,bridge)
<a name="l00863"></a>00863 __ADD(AF_ATMPVC,atmpvc)
<a name="l00864"></a>00864 __ADD(AF_X25,x25)
<a name="l00865"></a>00865 __ADD(AF_INET6,inet6)
<a name="l00866"></a>00866 __ADD(AF_ROSE,rose)
<a name="l00867"></a>00867 __ADD(AF_DECnet,decnet)
<a name="l00868"></a>00868 __ADD(AF_NETBEUI,netbeui)
<a name="l00869"></a>00869 __ADD(AF_SECURITY,security)
<a name="l00870"></a>00870 __ADD(AF_KEY,key)
<a name="l00871"></a>00871 __ADD(AF_NETLINK,netlink)
<a name="l00872"></a>00872 __ADD(AF_ROUTE,route)
<a name="l00873"></a>00873 __ADD(AF_PACKET,packet)
<a name="l00874"></a>00874 __ADD(AF_ASH,ash)
<a name="l00875"></a>00875 __ADD(AF_ECONET,econet)
<a name="l00876"></a>00876 __ADD(AF_ATMSVC,atmsvc)
<a name="l00877"></a>00877 __ADD(AF_SNA,sna)
<a name="l00878"></a>00878 __ADD(AF_IRDA,irda)
<a name="l00879"></a>00879 __ADD(AF_PPPOX,pppox)
<a name="l00880"></a>00880 __ADD(AF_WANPIPE,wanpipe)
<a name="l00881"></a>00881 __ADD(AF_LLC,llc)
<a name="l00882"></a>00882 __ADD(AF_BLUETOOTH,bluetooth)
<a name="l00883"></a>00883 };
<a name="l00884"></a>00884
<a name="l00885"></a>00885 <span class="keywordtype">char</span> *nl_af2str(<span class="keywordtype">int</span> family, <span class="keywordtype">char</span> *buf, <span class="keywordtype">size_t</span> size)
<a name="l00886"></a>00886 {
<a name="l00887"></a>00887 <span class="keywordflow">return</span> __type2str(family, buf, size, afs, ARRAY_SIZE(afs));
<a name="l00888"></a>00888 }
<a name="l00889"></a>00889
<a name="l00890"></a>00890 <span class="keywordtype">int</span> nl_str2af(<span class="keyword">const</span> <span class="keywordtype">char</span> *name)
<a name="l00891"></a>00891 {
<a name="l00892"></a>00892 <span class="keywordtype">int</span> fam = __str2type(name, afs, ARRAY_SIZE(afs));
<a name="l00893"></a>00893 <span class="keywordflow">return</span> fam >= 0 ? fam : AF_UNSPEC;
<a name="l00894"></a>00894 }
<a name="l00895"></a>00895 <span class="comment"></span>
<a name="l00896"></a>00896 <span class="comment">/** @} */</span>
<a name="l00897"></a>00897 <span class="comment"></span>
<a name="l00898"></a>00898 <span class="comment">/** @} */</span>
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