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<h1>file/src/compress.c File Reference</h1><code>#include "<a class="el" href="file_8h-source.html">file.h</a>"</code><br>
<code>#include "magic.h"</code><br>
<code>#include <stdio.h></code><br>
<code>#include <stdlib.h></code><br>
<code>#include <string.h></code><br>
<code>#include <errno.h></code><br>
<code>#include <sys/types.h></code><br>
<p>
<a href="compress_8c-source.html">Go to the source code of this file.</a><table border="0" cellpadding="0" cellspacing="0">
<tr><td></td></tr>
<tr><td colspan="2"><br><h2>Functions</h2></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">static const char * </td><td class="memItemRight" valign="bottom"><a class="el" href="compress_8c.html#d3e2f9b6d2324a17d1d4a526b01dbf40">rcsid</a> (const char *p)</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">static ssize_t </td><td class="memItemRight" valign="bottom"><a class="el" href="compress_8c.html#bb1e90a0dadf216427c52593e78f1283">swrite</a> (int fd, const void *buf, size_t n)</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">static ssize_t </td><td class="memItemRight" valign="bottom"><a class="el" href="compress_8c.html#6b08a68251c48b3e4847e43fd6174001">sread</a> (int fd, void *buf, size_t n)</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">static size_t </td><td class="memItemRight" valign="bottom"><a class="el" href="compress_8c.html#27dbc40030d2439aa5de75c974b909e3">uncompressbuf</a> (struct <a class="el" href="structmagic__set.html">magic_set</a> *ms, int fd, size_t method, const unsigned char *old, unsigned char **newch, size_t n)</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="compress_8c.html#a2fec18b68b359e94bb72491693472c0">file_zmagic</a> (struct <a class="el" href="structmagic__set.html">magic_set</a> *ms, int fd, const unsigned char *buf, size_t nbytes)</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="compress_8c.html#af1b240b21ed4868e1704efc606f57dd">file_pipe2file</a> (struct <a class="el" href="structmagic__set.html">magic_set</a> *ms, int fd, const void *startbuf, size_t nbytes)</td></tr>
<tr><td colspan="2"><br><h2>Variables</h2></td></tr>
<tr><td class="memItemLeft" nowrap>struct {</td></tr>
<tr><td class="memItemLeft" nowrap> const char * <a class="el" href="compress_8c.html#52bfb08821468413d41bc3e3b38dc078">magic</a></td></tr>
<tr><td class="memItemLeft" nowrap> size_t <a class="el" href="compress_8c.html#4492d9f585cf2bd905f6dc537e6922bc">maglen</a></td></tr>
<tr><td class="memItemLeft" nowrap> const char *const <a class="el" href="compress_8c.html#b233d58a2d9af13ae09ea8fd82556856">argv</a> [3]</td></tr>
<tr><td class="memItemLeft" nowrap> int <a class="el" href="compress_8c.html#582e2ef9670c974c00e00ad10af0e629">silent</a></td></tr>
<tr><td class="memItemLeft" nowrap valign="top">} </td><td class="memItemRight" valign="bottom"><a class="el" href="compress_8c.html#d316b129c3c168af65fa56f15c880c0a">compr</a> []</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">static int </td><td class="memItemRight" valign="bottom"><a class="el" href="compress_8c.html#f1f5fd4aa8164599937adf5e808910f6">ncompr</a> = sizeof(<a class="el" href="compress_8c.html#d316b129c3c168af65fa56f15c880c0a">compr</a>) / sizeof(<a class="el" href="compress_8c.html#d316b129c3c168af65fa56f15c880c0a">compr</a>[0])</td></tr>
</table>
<hr><h2>Function Documentation</h2>
<a class="anchor" name="af1b240b21ed4868e1704efc606f57dd"></a><!-- doxytag: member="compress.c::file_pipe2file" ref="af1b240b21ed4868e1704efc606f57dd" args="(struct magic_set *ms, int fd, const void *startbuf, size_t nbytes)" -->
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<td class="memname">int file_pipe2file </td>
<td>(</td>
<td class="paramtype">struct <a class="el" href="structmagic__set.html">magic_set</a> * </td>
<td class="paramname"> <em>ms</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">int </td>
<td class="paramname"> <em>fd</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">const void * </td>
<td class="paramname"> <em>startbuf</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">size_t </td>
<td class="paramname"> <em>nbytes</em></td><td> </td>
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<td></td>
<td>)</td>
<td></td><td></td><td width="100%"></td>
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Definition at line <a class="el" href="compress_8c-source.html#l00190">190</a> of file <a class="el" href="compress_8c-source.html">compress.c</a>.
<p>
References <a class="el" href="system_8h.html#d65a8842cc674e3ddf69355898c0ecbf">errno</a>, <a class="el" href="file_8h.html#f843575bf69eb8779dca750d93ee623c">file_badseek()</a>, <a class="el" href="file_8h.html#b97a2a8e3a9e23613bcb1a49c4411919">file_error()</a>, <a class="el" href="system_8h-source.html#l00178">SEEK_SET</a>, <a class="el" href="compress_8c-source.html#l00167">sread()</a>, and <a class="el" href="compress_8c-source.html#l00142">swrite()</a>.
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<a class="anchor" name="a2fec18b68b359e94bb72491693472c0"></a><!-- doxytag: member="compress.c::file_zmagic" ref="a2fec18b68b359e94bb72491693472c0" args="(struct magic_set *ms, int fd, const unsigned char *buf, size_t nbytes)" -->
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<td class="memname">int file_zmagic </td>
<td>(</td>
<td class="paramtype">struct <a class="el" href="structmagic__set.html">magic_set</a> * </td>
<td class="paramname"> <em>ms</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">int </td>
<td class="paramname"> <em>fd</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">const unsigned char * </td>
<td class="paramname"> <em>buf</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">size_t </td>
<td class="paramname"> <em>nbytes</em></td><td> </td>
</tr>
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<td></td>
<td>)</td>
<td></td><td></td><td width="100%"></td>
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Definition at line <a class="el" href="compress_8c-source.html#l00101">101</a> of file <a class="el" href="compress_8c-source.html">compress.c</a>.
<p>
References <a class="el" href="file_8h.html#7573b1217f2a62bcfca3e998e45dc9fc">file_buffer()</a>, <a class="el" href="file_8h.html#949757705ada92387535cfad72f9243c">file_printf()</a>, <a class="el" href="file_8h-source.html#l00252">magic_set::flags</a>, <a class="el" href="compress_8c-source.html#l00062">maglen</a>, and <a class="el" href="compress_8c-source.html#l00326">uncompressbuf()</a>.
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<a class="anchor" name="d3e2f9b6d2324a17d1d4a526b01dbf40"></a><!-- doxytag: member="compress.c::rcsid" ref="d3e2f9b6d2324a17d1d4a526b01dbf40" args="(const char *p)" -->
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<td class="memname">static const char* rcsid </td>
<td>(</td>
<td class="paramtype">const char * </td>
<td class="paramname"> <em>p</em> </td>
<td> ) </td>
<td width="100%"><code> [static]</code></td>
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Definition at line <a class="el" href="compress_8c-source.html#l00053">53</a> of file <a class="el" href="compress_8c-source.html">compress.c</a>.
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<a class="anchor" name="6b08a68251c48b3e4847e43fd6174001"></a><!-- doxytag: member="compress.c::sread" ref="6b08a68251c48b3e4847e43fd6174001" args="(int fd, void *buf, size_t n)" -->
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<td class="memname">static ssize_t sread </td>
<td>(</td>
<td class="paramtype">int </td>
<td class="paramname"> <em>fd</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">void * </td>
<td class="paramname"> <em>buf</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">size_t </td>
<td class="paramname"> <em>n</em></td><td> </td>
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<td></td>
<td>)</td>
<td></td><td></td><td width="100%"><code> [static]</code></td>
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Definition at line <a class="el" href="compress_8c-source.html#l00167">167</a> of file <a class="el" href="compress_8c-source.html">compress.c</a>.
<p>
References <a class="el" href="system_8h.html#d65a8842cc674e3ddf69355898c0ecbf">errno</a>.
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Referenced by <a class="el" href="compress_8c-source.html#l00190">file_pipe2file()</a>, and <a class="el" href="compress_8c-source.html#l00326">uncompressbuf()</a>.
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<a class="anchor" name="bb1e90a0dadf216427c52593e78f1283"></a><!-- doxytag: member="compress.c::swrite" ref="bb1e90a0dadf216427c52593e78f1283" args="(int fd, const void *buf, size_t n)" -->
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<td class="memname">static ssize_t swrite </td>
<td>(</td>
<td class="paramtype">int </td>
<td class="paramname"> <em>fd</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">const void * </td>
<td class="paramname"> <em>buf</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">size_t </td>
<td class="paramname"> <em>n</em></td><td> </td>
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<td></td>
<td>)</td>
<td></td><td></td><td width="100%"><code> [static]</code></td>
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<p>
Definition at line <a class="el" href="compress_8c-source.html#l00142">142</a> of file <a class="el" href="compress_8c-source.html">compress.c</a>.
<p>
References <a class="el" href="system_8h.html#d65a8842cc674e3ddf69355898c0ecbf">errno</a>.
<p>
Referenced by <a class="el" href="compress_8c-source.html#l00190">file_pipe2file()</a>, and <a class="el" href="compress_8c-source.html#l00326">uncompressbuf()</a>.
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<a class="anchor" name="27dbc40030d2439aa5de75c974b909e3"></a><!-- doxytag: member="compress.c::uncompressbuf" ref="27dbc40030d2439aa5de75c974b909e3" args="(struct magic_set *ms, int fd, size_t method, const unsigned char *old, unsigned char **newch, size_t n)" -->
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<td class="memname">static size_t uncompressbuf </td>
<td>(</td>
<td class="paramtype">struct <a class="el" href="structmagic__set.html">magic_set</a> * </td>
<td class="paramname"> <em>ms</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">int </td>
<td class="paramname"> <em>fd</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">size_t </td>
<td class="paramname"> <em>method</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">const unsigned char * </td>
<td class="paramname"> <em>old</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">unsigned char ** </td>
<td class="paramname"> <em>newch</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">size_t </td>
<td class="paramname"> <em>n</em></td><td> </td>
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<td></td>
<td>)</td>
<td></td><td></td><td width="100%"><code> [static]</code></td>
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Definition at line <a class="el" href="compress_8c-source.html#l00326">326</a> of file <a class="el" href="compress_8c-source.html">compress.c</a>.
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References <a class="el" href="compress_8c-source.html#l00064">argv</a>, <a class="el" href="system_8h.html#d65a8842cc674e3ddf69355898c0ecbf">errno</a>, <a class="el" href="system_8h-source.html#l00168">EXIT_FAILURE</a>, <a class="el" href="file_8h.html#b97a2a8e3a9e23613bcb1a49c4411919">file_error()</a>, <a class="el" href="file_8h-source.html#l00069">HOWMANY</a>, <a class="el" href="system_8h-source.html#l00178">SEEK_SET</a>, <a class="el" href="compress_8c-source.html#l00065">silent</a>, <a class="el" href="compress_8c-source.html#l00167">sread()</a>, <a class="el" href="file_8h-source.html#l00323">strerror</a>, and <a class="el" href="compress_8c-source.html#l00142">swrite()</a>.
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Referenced by <a class="el" href="compress_8c-source.html#l00101">file_zmagic()</a>.
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<hr><h2>Variable Documentation</h2>
<a class="anchor" name="b233d58a2d9af13ae09ea8fd82556856"></a><!-- doxytag: member="compress.c::argv" ref="b233d58a2d9af13ae09ea8fd82556856" args="[3]" -->
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<td class="memname">const char* const <a class="el" href="compress_8c.html#b233d58a2d9af13ae09ea8fd82556856">argv</a>[3] </td>
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Definition at line <a class="el" href="compress_8c-source.html#l00064">64</a> of file <a class="el" href="compress_8c-source.html">compress.c</a>.
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Referenced by <a class="el" href="parsePreamble_8c-source.html#l00053">addOrAppendListEntry()</a>, <a class="el" href="build_2build_8c-source.html#l00056">doScript()</a>, <a class="el" href="parsePrep_8c-source.html#l00317">doSetupMacro()</a>, <a class="el" href="popt_8c-source.html#l00379">execCommand()</a>, <a class="el" href="macro_8c-source.html#l00932">grabArgs()</a>, <a class="el" href="rpmdb_8c-source.html#l02028">mireSkip()</a>, <a class="el" href="parseDescription_8c-source.html#l00029">parseDescription()</a>, <a class="el" href="parseFiles_8c-source.html#l00026">parseFiles()</a>, <a class="el" href="parseScript_8c-source.html#l00072">parseScript()</a>, <a class="el" href="poptparse_8c-source.html#l00057">poptParseArgvString()</a>, <a class="el" href="files_8c-source.html#l01860">processBinaryFile()</a>, <a class="el" href="rpmfc_8c-source.html#l00028">rpmfcExpandAppend()</a>, <a class="el" href="macro_8c-source.html#l01700">rpmGlob()</a>, <a class="el" href="rpmgraph_8c-source.html#l00044">rpmGraph()</a>, <a class="el" href="psm_8c-source.html#l00115">rpmInstallLoadMacros()</a>, <a class="el" href="manifest_8c-source.html#l00069">rpmReadPackageManifest()</a>, <a class="el" href="psm_8c-source.html#l00992">runInstScript()</a>, <a class="el" href="psm_8c-source.html#l00625">runScript()</a>, <a class="el" href="compress_8c-source.html#l00326">uncompressbuf()</a>, and <a class="el" href="macro_8c-source.html#l01629">XpoptParseArgvString()</a>.
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<a class="anchor" name="d316b129c3c168af65fa56f15c880c0a"></a><!-- doxytag: member="compress.c::compr" ref="d316b129c3c168af65fa56f15c880c0a" args="[]" -->
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<td class="memname">struct { ... } <a class="el" href="compress_8c.html#d316b129c3c168af65fa56f15c880c0a">compr</a>[]<code> [static]</code> </td>
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<a class="anchor" name="52bfb08821468413d41bc3e3b38dc078"></a><!-- doxytag: member="compress.c::magic" ref="52bfb08821468413d41bc3e3b38dc078" args="" -->
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<td class="memname">const char* <a class="el" href="structmagic.html">magic</a> </td>
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Definition at line <a class="el" href="compress_8c-source.html#l00061">61</a> of file <a class="el" href="compress_8c-source.html">compress.c</a>.
<p>
Referenced by <a class="el" href="apprentice_8c-source.html#l00168">apprentice_1()</a>, <a class="el" href="apprentice_8c-source.html#l01233">byteswap()</a>, <a class="el" href="file_8c-source.html#l00348">load()</a>, <a class="el" href="file_8c-source.html#l00140">main()</a>, <a class="el" href="softmagic_8c-source.html#l00120">match()</a>, and <a class="el" href="file_8c-source.html#l00405">process()</a>.
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<a class="anchor" name="4492d9f585cf2bd905f6dc537e6922bc"></a><!-- doxytag: member="compress.c::maglen" ref="4492d9f585cf2bd905f6dc537e6922bc" args="" -->
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<td class="memname">size_t <a class="el" href="compress_8c.html#4492d9f585cf2bd905f6dc537e6922bc">maglen</a> </td>
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Definition at line <a class="el" href="compress_8c-source.html#l00062">62</a> of file <a class="el" href="compress_8c-source.html">compress.c</a>.
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Referenced by <a class="el" href="compress_8c-source.html#l00101">file_zmagic()</a>.
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<a class="anchor" name="f1f5fd4aa8164599937adf5e808910f6"></a><!-- doxytag: member="compress.c::ncompr" ref="f1f5fd4aa8164599937adf5e808910f6" args="" -->
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<td class="memname">int <a class="el" href="compress_8c.html#f1f5fd4aa8164599937adf5e808910f6">ncompr</a> = sizeof(<a class="el" href="compress_8c.html#d316b129c3c168af65fa56f15c880c0a">compr</a>) / sizeof(<a class="el" href="compress_8c.html#d316b129c3c168af65fa56f15c880c0a">compr</a>[0])<code> [static]</code> </td>
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Definition at line <a class="el" href="compress_8c-source.html#l00083">83</a> of file <a class="el" href="compress_8c-source.html">compress.c</a>.
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<a class="anchor" name="582e2ef9670c974c00e00ad10af0e629"></a><!-- doxytag: member="compress.c::silent" ref="582e2ef9670c974c00e00ad10af0e629" args="" -->
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<td class="memname">int <a class="el" href="compress_8c.html#582e2ef9670c974c00e00ad10af0e629">silent</a> </td>
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Definition at line <a class="el" href="compress_8c-source.html#l00065">65</a> of file <a class="el" href="compress_8c-source.html">compress.c</a>.
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Referenced by <a class="el" href="compress_8c-source.html#l00326">uncompressbuf()</a>.
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