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<div id="projectname">libgadu
 <span id="projectnumber">1.11.2</span>
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<a href="#func-members">Funkcje</a> |
<a href="#var-members">Zmienne</a> </div>
<div class="headertitle">
<div class="title">Dokumentacja pliku common.c</div> </div>
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<p>Funkcje wykorzystywane przez różne moduły biblioteki.
<a href="#details">Więcej...</a></p>
<table class="memberdecls">
<tr class="heading"><td colspan="2"><h2><a name="func-members"></a>
Funkcje</h2></td></tr>
<tr class="memitem:gacf23b69806cc32e5a17ec50fa5efd92e"><td class="memItemLeft" align="right" valign="top">char * </td><td class="memItemRight" valign="bottom"><a class="el" href="group__helper.html#gacf23b69806cc32e5a17ec50fa5efd92e">gg_vsaprintf</a> (const char *format, va_list ap)</td></tr>
<tr class="memitem:ga0c71b0bef21698f9e23a1251bf996ec8"><td class="memItemLeft" align="right" valign="top">char * </td><td class="memItemRight" valign="bottom"><a class="el" href="group__helper.html#ga0c71b0bef21698f9e23a1251bf996ec8">gg_saprintf</a> (const char *format,...)</td></tr>
<tr class="memitem:a9b91bdd768fc9dfd588d2d6f160ba1f2"><td class="memItemLeft" align="right" valign="top">char * </td><td class="memItemRight" valign="bottom"><a class="el" href="common_8c.html#a9b91bdd768fc9dfd588d2d6f160ba1f2">gg_get_line</a> (char **ptr)</td></tr>
<tr class="memitem:ae53d1a47b847e1e3b9170e332b74046b"><td class="memItemLeft" align="right" valign="top">char * </td><td class="memItemRight" valign="bottom"><a class="el" href="common_8c.html#ae53d1a47b847e1e3b9170e332b74046b">gg_read_line</a> (int sock, char *buf, int length)</td></tr>
<tr class="memitem:gab541097d3ae28a9d75b4c60b5db5acdc"><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="group__helper.html#gab541097d3ae28a9d75b4c60b5db5acdc">gg_connect</a> (void *addr, int port, int async)</td></tr>
<tr class="memitem:ga998cdab6b1a1f8d125eb6738b1d98825"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group__helper.html#ga998cdab6b1a1f8d125eb6738b1d98825">gg_chomp</a> (char *line)</td></tr>
<tr class="memitem:ga87f745e6d5f6a56beb9f77ff4185532d"><td class="memItemLeft" align="right" valign="top">char * </td><td class="memItemRight" valign="bottom"><a class="el" href="group__helper.html#ga87f745e6d5f6a56beb9f77ff4185532d">gg_urlencode</a> (const char *str)</td></tr>
<tr class="memitem:a3d49a09fe701bcbe11472e8ffd018841"><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="common_8c.html#a3d49a09fe701bcbe11472e8ffd018841">gg_http_hash</a> (const char *format,...)</td></tr>
<tr class="memitem:gad066bae9a1c7027dfbceb7fee49e6810"><td class="memItemLeft" align="right" valign="top">char * </td><td class="memItemRight" valign="bottom"><a class="el" href="group__helper.html#gad066bae9a1c7027dfbceb7fee49e6810">gg_base64_encode</a> (const char *buf)</td></tr>
<tr class="memitem:gae6043b5ca096578c4c580a2f1ddba8b6"><td class="memItemLeft" align="right" valign="top">char * </td><td class="memItemRight" valign="bottom"><a class="el" href="group__helper.html#gae6043b5ca096578c4c580a2f1ddba8b6">gg_base64_decode</a> (const char *buf)</td></tr>
<tr class="memitem:aee0b9c63700c6c0b0a3b8ef52b4a812f"><td class="memItemLeft" align="right" valign="top">char * </td><td class="memItemRight" valign="bottom"><a class="el" href="common_8c.html#aee0b9c63700c6c0b0a3b8ef52b4a812f">gg_proxy_auth</a> (void)</td></tr>
<tr class="memitem:a1674418e6048446e8279a62eb23d483f"><td class="memItemLeft" align="right" valign="top">uint32_t </td><td class="memItemRight" valign="bottom"><a class="el" href="common_8c.html#a1674418e6048446e8279a62eb23d483f">gg_crc32</a> (uint32_t crc, const unsigned char *buf, int len)</td></tr>
<tr class="memdesc:a1674418e6048446e8279a62eb23d483f"><td class="mdescLeft"> </td><td class="mdescRight">Wyznacza sumę kontrolną CRC32. <a href="#a1674418e6048446e8279a62eb23d483f"></a><br/></td></tr>
</table><table class="memberdecls">
<tr class="heading"><td colspan="2"><h2><a name="var-members"></a>
Zmienne</h2></td></tr>
<tr class="memitem:a4a908d82544625df6a62aca6909da5a5"><td class="memItemLeft" align="right" valign="top">static char </td><td class="memItemRight" valign="bottom"><a class="el" href="common_8c.html#a4a908d82544625df6a62aca6909da5a5">gg_base64_charset</a> [] = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/"</td></tr>
<tr class="memitem:ab65c59ce09c0067bf14b3ba41d60293c"><td class="memItemLeft" align="right" valign="top">static const uint32_t </td><td class="memItemRight" valign="bottom"><a class="el" href="common_8c.html#ab65c59ce09c0067bf14b3ba41d60293c">gg_crc32_table</a> [256]</td></tr>
</table>
<hr/><a name="details" id="details"></a><h2>Opis szczegółowy</h2>
<div class="textblock"><p>Funkcje wykorzystywane przez różne moduły biblioteki. </p>
</div><hr/><h2>Dokumentacja funkcji</h2>
<a class="anchor" id="a9b91bdd768fc9dfd588d2d6f160ba1f2"></a>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">char* gg_get_line </td>
<td>(</td>
<td class="paramtype">char ** </td>
<td class="paramname"><em>ptr</em></td><td>)</td>
<td></td>
</tr>
</table>
</div><div class="memdoc">
<p>Pobiera linię tekstu z bufora.</p>
<p>Funkcja niszczy bufor źródłowy bezpowrotnie, dzieląc go na kolejne ciągi znaków i obcina znaki końca linii.</p>
<dl class="params"><dt>Parametry:</dt><dd>
<table class="params">
<tr><td class="paramname">ptr</td><td>Wskaźnik do zmiennej, która przechowuje aktualne położenie w analizowanym buforze</td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Zwraca:</dt><dd>Wskaźnik do kolejnej linii tekstu lub NULL, jeśli to już koniec bufora. </dd></dl>
</div>
</div>
<a class="anchor" id="ae53d1a47b847e1e3b9170e332b74046b"></a>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">char* gg_read_line </td>
<td>(</td>
<td class="paramtype">int </td>
<td class="paramname"><em>sock</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">char * </td>
<td class="paramname"><em>buf</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int </td>
<td class="paramname"><em>length</em> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</div><div class="memdoc">
<p>Czyta linię tekstu z gniazda.</p>
<p>Funkcja czyta tekst znak po znaku, więc nie jest efektywna, ale dzięki brakowi buforowania, nie koliduje z innymi funkcjami odczytu.</p>
<dl class="params"><dt>Parametry:</dt><dd>
<table class="params">
<tr><td class="paramname">sock</td><td>Deskryptor gniazda </td></tr>
<tr><td class="paramname">buf</td><td>Wskaźnik do bufora </td></tr>
<tr><td class="paramname">length</td><td>Długość bufora</td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Zwraca:</dt><dd>Zwraca <code>buf</code> jeśli się powiodło, lub <code>NULL</code> w przypadku błędu. </dd></dl>
</div>
</div>
<a class="anchor" id="a3d49a09fe701bcbe11472e8ffd018841"></a>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">int gg_http_hash </td>
<td>(</td>
<td class="paramtype">const char * </td>
<td class="paramname"><em>format</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"> </td>
<td class="paramname"><em>...</em> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</div><div class="memdoc">
<p>Wyznacza skrót dla usług HTTP.</p>
<p>Funkcja jest wykorzystywana do wyznaczania skrótu adresu e-mail, hasła i innych wartości przekazywanych jako parametry usług HTTP.</p>
<p>W parametrze <code>format</code> należy umieścić znaki określające postać kolejnych parametrów: <code>'s'</code> jeśli parametr jest ciągiem znaków, <code>'u'</code> jeśli jest liczbą.</p>
<dl class="params"><dt>Parametry:</dt><dd>
<table class="params">
<tr><td class="paramname">format</td><td>Format kolejnych parametrów (niezgodny z <code>printf</code>)</td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Zwraca:</dt><dd>Wartość skrótu </dd></dl>
</div>
</div>
<a class="anchor" id="aee0b9c63700c6c0b0a3b8ef52b4a812f"></a>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">char* gg_proxy_auth </td>
<td>(</td>
<td class="paramtype">void </td>
<td class="paramname"></td><td>)</td>
<td></td>
</tr>
</table>
</div><div class="memdoc">
<p>Tworzy nagłówek autoryzacji serwera pośredniczącego.</p>
<p>Dane pobiera ze zmiennych globalnych <code>gg_proxy_username</code> i <code>gg_proxy_password</code>.</p>
<dl class="section return"><dt>Zwraca:</dt><dd>Zaalokowany bufor z tekstem lub NULL, jeśli serwer pośredniczący nie jest używany lub nie wymaga autoryzacji. </dd></dl>
</div>
</div>
<a class="anchor" id="a1674418e6048446e8279a62eb23d483f"></a>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">uint32_t gg_crc32 </td>
<td>(</td>
<td class="paramtype">uint32_t </td>
<td class="paramname"><em>crc</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">const unsigned char * </td>
<td class="paramname"><em>buf</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int </td>
<td class="paramname"><em>len</em> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</div><div class="memdoc">
<p>Wyznacza sumę kontrolną CRC32. </p>
<dl class="params"><dt>Parametry:</dt><dd>
<table class="params">
<tr><td class="paramname">crc</td><td>Suma kontrola poprzedniego bloku danych lub 0 jeśli liczona jest suma kontrolna pierwszego bloku </td></tr>
<tr><td class="paramname">buf</td><td>Bufor danych </td></tr>
<tr><td class="paramname">len</td><td>Długość bufora danych</td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Zwraca:</dt><dd>Suma kontrolna. </dd></dl>
</div>
</div>
<hr/><h2>Dokumentacja zmiennych</h2>
<a class="anchor" id="a4a908d82544625df6a62aca6909da5a5"></a>
<div class="memitem">
<div class="memproto">
<table class="mlabels">
<tr>
<td class="mlabels-left">
<table class="memname">
<tr>
<td class="memname">char gg_base64_charset[] = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/"</td>
</tr>
</table>
</td>
<td class="mlabels-right">
<span class="mlabels"><span class="mlabel">static</span></span> </td>
</tr>
</table>
</div><div class="memdoc">
<p>Zestaw znaków kodowania base64. </p>
</div>
</div>
<a class="anchor" id="ab65c59ce09c0067bf14b3ba41d60293c"></a>
<div class="memitem">
<div class="memproto">
<table class="mlabels">
<tr>
<td class="mlabels-left">
<table class="memname">
<tr>
<td class="memname">const uint32_t gg_crc32_table[256]</td>
</tr>
</table>
</td>
<td class="mlabels-right">
<span class="mlabels"><span class="mlabel">static</span></span> </td>
</tr>
</table>
</div><div class="memdoc">
<p>Tablica pomocnicza do wyznaczania sumy kontrolnej. </p>
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