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rpm-apidocs-4.4.2.3-34.el5.i386.rpm

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<h1>rpm2cpio.c</h1><a href="rpm2cpio_8c.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/* rpmarchive: spit out the main archive portion of a package */</span>
<a name="l00002"></a>00002 
<a name="l00003"></a>00003 <span class="preprocessor">#include "<a class="code" href="system_8h.html">system.h</a>"</span>
<a name="l00004"></a><a class="code" href="rpm2cpio_8c.html#e44e96c1808be0a56730c26b8b3d2c2a">00004</a> <span class="keyword">const</span> <span class="keywordtype">char</span> *<a class="code" href="system_8h.html#41c2f9db0a7e23392fbbebb1d1c185ec">__progname</a>;
<a name="l00005"></a>00005 
<a name="l00006"></a>00006 <span class="preprocessor">#include &lt;<a class="code" href="rpmlib_8h.html">rpmlib.h</a>&gt;</span>
<a name="l00007"></a>00007 <span class="preprocessor">#include &lt;<a class="code" href="rpmpgp_8h.html">rpmpgp.h</a>&gt;</span>
<a name="l00008"></a>00008 
<a name="l00009"></a>00009 <span class="preprocessor">#include "<a class="code" href="depends_8c.html">depends.c</a>"</span>
<a name="l00010"></a>00010 
<a name="l00011"></a>00011 <span class="preprocessor">#include "<a class="code" href="debug_8h.html">debug.h</a>"</span>
<a name="l00012"></a>00012 
<a name="l00013"></a><a class="code" href="rpm2cpio_8c.html#3c04138a5bfe5d72780bb7e82a18e627">00013</a> <span class="keywordtype">int</span> <a class="code" href="rpmqv_8c.html#ef6c40289a6a07b460e1e2fc9568e404">main</a>(<span class="keywordtype">int</span> argc, <span class="keywordtype">char</span> **<a class="code" href="compress_8c.html#b233d58a2d9af13ae09ea8fd82556856">argv</a>)
<a name="l00014"></a>00014 {
<a name="l00015"></a>00015     <a class="code" href="struct__FD__s.html">FD_t</a> fdi, fdo;
<a name="l00016"></a>00016     <a class="code" href="structheaderToken__s.html">Header</a> h;
<a name="l00017"></a>00017     <span class="keywordtype">char</span> * rpmio_flags;
<a name="l00018"></a>00018     <a class="code" href="rpmlib_8h.html#06da857c39457bfb6ea9049643fdb706">rpmRC</a> rc;
<a name="l00019"></a>00019     <a class="code" href="struct__FD__s.html">FD_t</a> gzdi;
<a name="l00020"></a>00020     
<a name="l00021"></a>00021     <a class="code" href="system_8h.html#08b0a5a39651f29857ebec61a69217a2">setprogname</a>(argv[0]);       <span class="comment">/* Retrofit glibc __progname */</span>
<a name="l00022"></a>00022     <span class="keywordflow">if</span> (argc == 1)
<a name="l00023"></a>00023         fdi = <a class="code" href="rpmio_8c.html#7fdbfe3ae72584240fb4c41364667ed6">fdDup</a>(STDIN_FILENO);
<a name="l00024"></a>00024     <span class="keywordflow">else</span>
<a name="l00025"></a>00025         fdi = <a class="code" href="rpmio_8c.html#2eb611bd97d6d937d2296bcecd83ee31">Fopen</a>(argv[1], <span class="stringliteral">"r.ufdio"</span>);
<a name="l00026"></a>00026 
<a name="l00027"></a>00027     <span class="keywordflow">if</span> (<a class="code" href="rpmio_8c.html#0f608c106ddef6245f5e9773a8e56b73">Ferror</a>(fdi)) {
<a name="l00028"></a>00028         fprintf(stderr, <span class="stringliteral">"%s: %s: %s\n"</span>, argv[0],
<a name="l00029"></a>00029                 (argc == 1 ? <span class="stringliteral">"&lt;stdin&gt;"</span> : argv[1]), <a class="code" href="rpmio_8c.html#0ef7b73c1eec295cb5f873879b143423">Fstrerror</a>(fdi));
<a name="l00030"></a>00030         exit(<a class="code" href="system_8h.html#73efe787c131b385070f25d18b7c9aa4">EXIT_FAILURE</a>);
<a name="l00031"></a>00031     }
<a name="l00032"></a>00032     fdo = <a class="code" href="rpmio_8c.html#7fdbfe3ae72584240fb4c41364667ed6">fdDup</a>(STDOUT_FILENO);
<a name="l00033"></a>00033 
<a name="l00034"></a>00034     {   <a class="code" href="rpmlib_8h.html#1a512138316a227059ca128597dbd464">rpmts</a> ts = <a class="code" href="group__rpmts.html#gce47f4eaebd8be4f0abbcfb7942b3566">rpmtsCreate</a>();
<a name="l00035"></a>00035         <a class="code" href="rpmts_8h.html#a9db567bc7c49d7d84ac7fc178543348">rpmVSFlags</a> <a class="code" href="rpmcache_8c.html#0db9ecdc1e541264501b025ef23d7c69">vsflags</a> = 0;
<a name="l00036"></a>00036 
<a name="l00037"></a>00037         <span class="comment">/* XXX retain the ageless behavior of rpm2cpio */</span>
<a name="l00038"></a>00038         vsflags |= <a class="code" href="rpmts_8h.html#eece22238af582ac0a41afdafa77df77">_RPMVSF_NODIGESTS</a>;
<a name="l00039"></a>00039         vsflags |= <a class="code" href="rpmts_8h.html#7515813532c9d4ead6bfd4b51860078f">_RPMVSF_NOSIGNATURES</a>;
<a name="l00040"></a>00040         vsflags |= <a class="code" href="rpmts_8h.html#081c96e55d490b5e99505eda7e93602daa6d0b979fd5881394e98f2912cff11f">RPMVSF_NOHDRCHK</a>;
<a name="l00041"></a>00041         (void) <a class="code" href="group__rpmts.html#g586c60d8364e263aa5e22736cbac1e69">rpmtsSetVSFlags</a>(ts, vsflags);
<a name="l00042"></a>00042 
<a name="l00043"></a>00043         <span class="comment">/*@-mustmod@*/</span>      <span class="comment">/* LCL: segfault */</span>
<a name="l00044"></a>00044         rc = <a class="code" href="package_8c.html#e10b6de3f6b14ba9bf473e782c6ed65c">rpmReadPackageFile</a>(ts, fdi, <span class="stringliteral">"rpm2cpio"</span>, &amp;h);
<a name="l00045"></a>00045         <span class="comment">/*@=mustmod@*/</span>
<a name="l00046"></a>00046 
<a name="l00047"></a>00047         ts = <a class="code" href="group__rpmts.html#g5315165a6e80a0c71dbe5eb07dd18f58">rpmtsFree</a>(ts);
<a name="l00048"></a>00048     }
<a name="l00049"></a>00049 
<a name="l00050"></a>00050     <span class="keywordflow">switch</span> (rc) {
<a name="l00051"></a>00051     <span class="keywordflow">case</span> <a class="code" href="rpmlib_8h.html#a30b10f32f3a5e820ec05d099993e801b6a502fb02cfd2c16380fa6ac52902d4">RPMRC_OK</a>:
<a name="l00052"></a>00052     <span class="keywordflow">case</span> <a class="code" href="rpmlib_8h.html#a30b10f32f3a5e820ec05d099993e801bb7bafd0fb0f5b69af85b79008fcd5da">RPMRC_NOKEY</a>:
<a name="l00053"></a>00053     <span class="keywordflow">case</span> <a class="code" href="rpmlib_8h.html#a30b10f32f3a5e820ec05d099993e80157ae69ad74eaa789264ec507d0f9e2c6">RPMRC_NOTTRUSTED</a>:
<a name="l00054"></a>00054         <span class="keywordflow">break</span>;
<a name="l00055"></a>00055     <span class="keywordflow">case</span> <a class="code" href="rpmlib_8h.html#a30b10f32f3a5e820ec05d099993e80163a651497a21974d2993a25d9b60208d">RPMRC_NOTFOUND</a>:
<a name="l00056"></a>00056         fprintf(stderr, <a class="code" href="system_8h.html#8a97de23397d8af6821824c0234d8c3c">_</a>(<span class="stringliteral">"argument is not an RPM package\n"</span>));
<a name="l00057"></a>00057         exit(<a class="code" href="system_8h.html#73efe787c131b385070f25d18b7c9aa4">EXIT_FAILURE</a>);
<a name="l00058"></a>00058         <span class="keywordflow">break</span>;
<a name="l00059"></a>00059     <span class="keywordflow">case</span> <a class="code" href="rpmlib_8h.html#a30b10f32f3a5e820ec05d099993e8012e6125219f145fbb73353bc6ccac5cfc">RPMRC_FAIL</a>:
<a name="l00060"></a>00060     <span class="keywordflow">default</span>:
<a name="l00061"></a>00061         fprintf(stderr, <a class="code" href="system_8h.html#8a97de23397d8af6821824c0234d8c3c">_</a>(<span class="stringliteral">"error reading header from package\n"</span>));
<a name="l00062"></a>00062         exit(<a class="code" href="system_8h.html#73efe787c131b385070f25d18b7c9aa4">EXIT_FAILURE</a>);
<a name="l00063"></a>00063         <span class="keywordflow">break</span>;
<a name="l00064"></a>00064     }
<a name="l00065"></a>00065 
<a name="l00066"></a>00066     <span class="comment">/* Retrieve type of payload compression. */</span>
<a name="l00067"></a>00067     {   <span class="keyword">const</span> <span class="keywordtype">char</span> * payload_compressor = NULL;
<a name="l00068"></a>00068         <span class="keywordtype">char</span> * t;
<a name="l00069"></a>00069 
<a name="l00070"></a>00070         <span class="keywordflow">if</span> (!<a class="code" href="group__header.html#g0b59789e021aa6ecab28e72a1f39d0a4">headerGetEntry</a>(h, <a class="code" href="rpmlib_8h.html#342756dddb61d125ae851a8b1ab0507b2fb185e4da76f4495f79bae39a6fd90d">RPMTAG_PAYLOADCOMPRESSOR</a>, NULL,
<a name="l00071"></a>00071                             (<span class="keywordtype">void</span> **) &amp;payload_compressor, NULL))
<a name="l00072"></a>00072             payload_compressor = <span class="stringliteral">"gzip"</span>;
<a name="l00073"></a>00073         rpmio_flags = t = <a class="code" href="system_8h.html#eb1df3e83fb069eaa2eb66ace3a0ea52">alloca</a>(<span class="keyword">sizeof</span>(<span class="stringliteral">"r.gzdio"</span>));
<a name="l00074"></a>00074         *t++ = <span class="charliteral">'r'</span>;
<a name="l00075"></a>00075         <span class="keywordflow">if</span> (!strcmp(payload_compressor, <span class="stringliteral">"gzip"</span>))
<a name="l00076"></a>00076             t = <a class="code" href="system_8h.html#890dbcd7c456828c1b6ff714e405fcc1">stpcpy</a>(t, <span class="stringliteral">".gzdio"</span>);
<a name="l00077"></a>00077         <span class="keywordflow">if</span> (!strcmp(payload_compressor, <span class="stringliteral">"bzip2"</span>))
<a name="l00078"></a>00078             t = <a class="code" href="system_8h.html#890dbcd7c456828c1b6ff714e405fcc1">stpcpy</a>(t, <span class="stringliteral">".bzdio"</span>);
<a name="l00079"></a>00079     }
<a name="l00080"></a>00080 
<a name="l00081"></a>00081     gzdi = <a class="code" href="rpmio_8c.html#179731508680532a4303c1220e7bdb2d">Fdopen</a>(fdi, rpmio_flags);    <span class="comment">/* XXX gzdi == fdi */</span>
<a name="l00082"></a>00082     <span class="keywordflow">if</span> (gzdi == NULL) {
<a name="l00083"></a>00083         fprintf(stderr, <a class="code" href="system_8h.html#8a97de23397d8af6821824c0234d8c3c">_</a>(<span class="stringliteral">"cannot re-open payload: %s\n"</span>), <a class="code" href="rpmio_8c.html#0ef7b73c1eec295cb5f873879b143423">Fstrerror</a>(gzdi));
<a name="l00084"></a>00084         exit(<a class="code" href="system_8h.html#73efe787c131b385070f25d18b7c9aa4">EXIT_FAILURE</a>);
<a name="l00085"></a>00085     }
<a name="l00086"></a>00086 
<a name="l00087"></a>00087     rc = <a class="code" href="rpmio_8c.html#d5909f66b74d70009db3c817999de5a3">ufdCopy</a>(gzdi, fdo);
<a name="l00088"></a>00088     rc = (rc &lt;= 0) ? <a class="code" href="system_8h.html#73efe787c131b385070f25d18b7c9aa4">EXIT_FAILURE</a> : EXIT_SUCCESS;
<a name="l00089"></a>00089     <a class="code" href="rpmio_8c.html#7e40bd43f40fcfce2773851b922c7774">Fclose</a>(fdo);
<a name="l00090"></a>00090 
<a name="l00091"></a>00091     <a class="code" href="rpmio_8c.html#7e40bd43f40fcfce2773851b922c7774">Fclose</a>(gzdi);       <span class="comment">/* XXX gzdi == fdi */</span>
<a name="l00092"></a>00092 
<a name="l00093"></a>00093     <span class="keywordflow">return</span> rc;
<a name="l00094"></a>00094 }
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