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<h1>lib/fs.c File Reference</h1><code>#include "<a class="el" href="system_8h-source.html">system.h</a>"</code><br>
<code>#include <<a class="el" href="rpmlib_8h-source.html">rpmlib.h</a>></code><br>
<code>#include <<a class="el" href="rpmmacro_8h-source.html">rpmmacro.h</a>></code><br>
<code>#include "<a class="el" href="debug_8h-source.html">debug.h</a>"</code><br>
<p>
<a href="fs_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>Data Structures</h2></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">struct </td><td class="memItemRight" valign="bottom"><a class="el" href="structfsinfo.html">fsinfo</a></td></tr>
<tr><td colspan="2"><br><h2>Functions</h2></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="fs_8c.html#1f56c5d09cc2e259a0e83be0335a136a">freeFilesystems</a> (void)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Release storage used by file system usage cache. <a href="#1f56c5d09cc2e259a0e83be0335a136a"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">static int </td><td class="memItemRight" valign="bottom"><a class="el" href="fs_8c.html#eeaff717c1c4983ac98ef0fe58f5b22a">getFilesystemList</a> (void)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Get information for mounted file systems. <a href="#eeaff717c1c4983ac98ef0fe58f5b22a"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="fs_8c.html#c02a7d0258706ed784ff6ad0bdfae44d">rpmGetFilesystemList</a> (const char ***listptr, int *num)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Return (cached) file system mount points. <a href="#c02a7d0258706ed784ff6ad0bdfae44d"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="fs_8c.html#e8aed429050fc8319144e3f3186848b8">rpmGetFilesystemUsage</a> (const char **fileList, <a class="el" href="header_8h.html#e5c5e6fe946fcce0d2156db86ffffa8a">int_32</a> *fssizes, int numFiles, <a class="el" href="header_8h.html#64e458b61bddf0b87a3701578aa7a428">uint_32</a> **usagesPtr, int flags)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Determine per-file system usage for a list of files. <a href="#e8aed429050fc8319144e3f3186848b8"></a><br></td></tr>
<tr><td colspan="2"><br><h2>Variables</h2></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">static struct <a class="el" href="structfsinfo.html">fsinfo</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="fs_8c.html#531df9c9c92bacc09f22ee65e9e53fbc">filesystems</a> = NULL</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">static const char ** </td><td class="memItemRight" valign="bottom"><a class="el" href="fs_8c.html#6655fd30ba50ff0a60e2dc1ea9b49928">fsnames</a> = NULL</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">static int </td><td class="memItemRight" valign="bottom"><a class="el" href="fs_8c.html#cc8d1a9826983dcb55dacbe14c71059b">numFilesystems</a> = 0</td></tr>
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<hr><a name="_details"></a><h2>Detailed Description</h2>
<p>
Definition in file <a class="el" href="fs_8c-source.html">fs.c</a>.<hr><h2>Function Documentation</h2>
<a class="anchor" name="1f56c5d09cc2e259a0e83be0335a136a"></a><!-- doxytag: member="fs.c::freeFilesystems" ref="1f56c5d09cc2e259a0e83be0335a136a" args="(void)" -->
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<td class="memname">void freeFilesystems </td>
<td>(</td>
<td class="paramtype">void </td>
<td class="paramname"> </td>
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<p>
Release storage used by file system usage cache.
<p>
<p>
Definition at line <a class="el" href="fs_8c-source.html#l00028">28</a> of file <a class="el" href="fs_8c-source.html">fs.c</a>.
<p>
References <a class="el" href="rpmlib_8h-source.html#l00058">_free()</a>, <a class="el" href="fs_8c-source.html#l00021">filesystems</a>, <a class="el" href="fs_8c-source.html#l00024">fsnames</a>, <a class="el" href="fs_8c-source.html#l00014">fsinfo::mntPoint</a>, and <a class="el" href="fs_8c-source.html#l00026">numFilesystems</a>.
<p>
Referenced by <a class="el" href="fs_8c-source.html#l00145">getFilesystemList()</a>, and <a class="el" href="rpmqv_8c-source.html#l00170">main()</a>.
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<a class="anchor" name="eeaff717c1c4983ac98ef0fe58f5b22a"></a><!-- doxytag: member="fs.c::getFilesystemList" ref="eeaff717c1c4983ac98ef0fe58f5b22a" args="(void)" -->
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<td class="memname">static int getFilesystemList </td>
<td>(</td>
<td class="paramtype">void </td>
<td class="paramname"> </td>
<td> ) </td>
<td width="100%"><code> [static]</code></td>
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<p>
Get information for mounted file systems.
<p>
<dl compact><dt><b><a class="el" href="todo.html#_todo000018">Todo:</a></b></dt><dd>determine rdonly for non-linux file systems. </dd></dl>
<dl compact><dt><b>Returns:</b></dt><dd>0 on success, 1 on error </dd></dl>
<p>
Definition at line <a class="el" href="fs_8c-source.html#l00145">145</a> of file <a class="el" href="fs_8c-source.html">fs.c</a>.
<p>
References <a class="el" href="system_8h-source.html#l00478">_</a>, <a class="el" href="rpmlib_8h-source.html#l00058">_free()</a>, <a class="el" href="fs_8c-source.html#l00021">filesystems</a>, <a class="el" href="fs_8c-source.html#l00028">freeFilesystems()</a>, <a class="el" href="fs_8c-source.html#l00024">fsnames</a>, <a class="el" href="system_8h.html#9156d04f66e4eee817687a3fb29a654f">getmntent()</a>, <a class="el" href="system_8h-source.html#l00703">MOUNTED</a>, <a class="el" href="fs_8c-source.html#l00026">numFilesystems</a>, <a class="el" href="system_8h-source.html#l00684">our_mntent::our_mntdir</a>, <a class="el" href="rpmerr_8h.html#d00dd16161260fe872fdf140cd8af55be900e26d1da3896d6917d33bde7fde62">RPMERR_MTAB</a>, <a class="el" href="rpmerr_8h.html#d00dd16161260fe872fdf140cd8af55bdbcf628b4bb6e637b08c239b34d2bab9">RPMERR_STAT</a>, <a class="el" href="rpmerr_8h-source.html#l00143">rpmError</a>, <a class="el" href="rpmmessages_8h-source.html#l00011">RPMMESS_DEBUG</a>, <a class="el" href="rpmmessages_8h-source.html#l00020">rpmMessage</a>, <a class="el" href="file_8h-source.html#l00323">strerror</a>, <a class="el" href="rpmmalloc_8c-source.html#l00034">xcalloc()</a>, <a class="el" href="rpmmalloc_8c-source.html#l00045">xrealloc()</a>, and <a class="el" href="rpmmalloc_8c-source.html#l00055">xstrdup()</a>.
<p>
Referenced by <a class="el" href="fs_8c-source.html#l00273">rpmGetFilesystemList()</a>, and <a class="el" href="fs_8c-source.html#l00287">rpmGetFilesystemUsage()</a>.
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<a class="anchor" name="c02a7d0258706ed784ff6ad0bdfae44d"></a><!-- doxytag: member="fs.c::rpmGetFilesystemList" ref="c02a7d0258706ed784ff6ad0bdfae44d" args="(const char ***listptr, int *num)" -->
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<td class="memname">int rpmGetFilesystemList </td>
<td>(</td>
<td class="paramtype">const char *** </td>
<td class="paramname"> <em>listptr</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int * </td>
<td class="paramname"> <em>num</em></td><td> </td>
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<td>)</td>
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<p>
Return (cached) file system mount points.
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<dl compact><dt><b>Return values:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td valign="top"></td><td valign="top"><em>listptr</em> </td><td>addess of file system names (or NULL) </td></tr>
<tr><td valign="top"></td><td valign="top"><em>num</em> </td><td>address of number of file systems (or NULL) </td></tr>
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<dl compact><dt><b>Returns:</b></dt><dd>0 on success, 1 on error </dd></dl>
<p>
Definition at line <a class="el" href="fs_8c-source.html#l00273">273</a> of file <a class="el" href="fs_8c-source.html">fs.c</a>.
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References <a class="el" href="fs_8c-source.html#l00024">fsnames</a>, <a class="el" href="fs_8c-source.html#l00145">getFilesystemList()</a>, and <a class="el" href="fs_8c-source.html#l00026">numFilesystems</a>.
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Referenced by <a class="el" href="formats_8c-source.html#l00546">fsnamesTag()</a>, <a class="el" href="formats_8c-source.html#l00616">fssizesTag()</a>, and <a class="el" href="rpmts_8c-source.html#l01211">rpmtsInitDSI()</a>.
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<a class="anchor" name="e8aed429050fc8319144e3f3186848b8"></a><!-- doxytag: member="fs.c::rpmGetFilesystemUsage" ref="e8aed429050fc8319144e3f3186848b8" args="(const char **fileList, int_32 *fssizes, int numFiles, uint_32 **usagesPtr, int flags)" -->
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<td class="memname">int rpmGetFilesystemUsage </td>
<td>(</td>
<td class="paramtype">const char ** </td>
<td class="paramname"> <em>fileList</em>, </td>
</tr>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="header_8h.html#e5c5e6fe946fcce0d2156db86ffffa8a">int_32</a> * </td>
<td class="paramname"> <em>fssizes</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">int </td>
<td class="paramname"> <em>numFiles</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="header_8h.html#64e458b61bddf0b87a3701578aa7a428">uint_32</a> ** </td>
<td class="paramname"> <em>usagesPtr</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">int </td>
<td class="paramname"> <em>flags</em></td><td> </td>
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<p>
Determine per-file system usage for a list of files.
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<dl compact><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td valign="top"></td><td valign="top"><em>fileList</em> </td><td>array of absolute file names </td></tr>
<tr><td valign="top"></td><td valign="top"><em>fssizes</em> </td><td>array of file sizes </td></tr>
<tr><td valign="top"></td><td valign="top"><em>numFiles</em> </td><td>number of files in list </td></tr>
</table>
</dl>
<dl compact><dt><b>Return values:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td valign="top"></td><td valign="top"><em>usagesPtr</em> </td><td>address of per-file system usage array (or NULL) </td></tr>
</table>
</dl>
<dl compact><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td valign="top"></td><td valign="top"><em>flags</em> </td><td>(unused) </td></tr>
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<dl compact><dt><b>Returns:</b></dt><dd>0 on success, 1 on error </dd></dl>
<p>
Definition at line <a class="el" href="fs_8c-source.html#l00287">287</a> of file <a class="el" href="fs_8c-source.html">fs.c</a>.
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References <a class="el" href="system_8h-source.html#l00478">_</a>, <a class="el" href="rpmlib_8h-source.html#l00058">_free()</a>, <a class="el" href="system_8h.html#eb1df3e83fb069eaa2eb66ace3a0ea52">alloca()</a>, <a class="el" href="parsePrep_8c-source.html#l00020">dirName</a>, <a class="el" href="fs_8c-source.html#l00021">filesystems</a>, <a class="el" href="fs_8c-source.html#l00024">fsnames</a>, <a class="el" href="fs_8c-source.html#l00145">getFilesystemList()</a>, <a class="el" href="fs_8c-source.html#l00026">numFilesystems</a>, <a class="el" href="rpmerr_8h.html#d00dd16161260fe872fdf140cd8af55bcae23639d080d951fa611db82ba219f8">RPMERR_BADDEV</a>, <a class="el" href="rpmerr_8h.html#d00dd16161260fe872fdf140cd8af55bdbcf628b4bb6e637b08c239b34d2bab9">RPMERR_STAT</a>, <a class="el" href="rpmerr_8h-source.html#l00143">rpmError</a>, <a class="el" href="macro_8c-source.html#l02286">rpmGetPath()</a>, <a class="el" href="file_8h-source.html#l00323">strerror</a>, and <a class="el" href="rpmmalloc_8c-source.html#l00034">xcalloc()</a>.
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Referenced by <a class="el" href="formats_8c-source.html#l00616">fssizesTag()</a>.
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<hr><h2>Variable Documentation</h2>
<a class="anchor" name="531df9c9c92bacc09f22ee65e9e53fbc"></a><!-- doxytag: member="fs.c::filesystems" ref="531df9c9c92bacc09f22ee65e9e53fbc" args="" -->
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<td class="memname">struct <a class="el" href="structfsinfo.html">fsinfo</a>* <a class="el" href="fs_8c.html#531df9c9c92bacc09f22ee65e9e53fbc">filesystems</a> = NULL<code> [static]</code> </td>
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Definition at line <a class="el" href="fs_8c-source.html#l00021">21</a> of file <a class="el" href="fs_8c-source.html">fs.c</a>.
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Referenced by <a class="el" href="fs_8c-source.html#l00028">freeFilesystems()</a>, <a class="el" href="fs_8c-source.html#l00145">getFilesystemList()</a>, and <a class="el" href="fs_8c-source.html#l00287">rpmGetFilesystemUsage()</a>.
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<a class="anchor" name="6655fd30ba50ff0a60e2dc1ea9b49928"></a><!-- doxytag: member="fs.c::fsnames" ref="6655fd30ba50ff0a60e2dc1ea9b49928" args="" -->
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<td class="memname">const char** <a class="el" href="fs_8c.html#6655fd30ba50ff0a60e2dc1ea9b49928">fsnames</a> = NULL<code> [static]</code> </td>
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Definition at line <a class="el" href="fs_8c-source.html#l00024">24</a> of file <a class="el" href="fs_8c-source.html">fs.c</a>.
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Referenced by <a class="el" href="fs_8c-source.html#l00028">freeFilesystems()</a>, <a class="el" href="fs_8c-source.html#l00145">getFilesystemList()</a>, <a class="el" href="fs_8c-source.html#l00273">rpmGetFilesystemList()</a>, and <a class="el" href="fs_8c-source.html#l00287">rpmGetFilesystemUsage()</a>.
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<a class="anchor" name="cc8d1a9826983dcb55dacbe14c71059b"></a><!-- doxytag: member="fs.c::numFilesystems" ref="cc8d1a9826983dcb55dacbe14c71059b" args="" -->
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<td class="memname">int <a class="el" href="fs_8c.html#cc8d1a9826983dcb55dacbe14c71059b">numFilesystems</a> = 0<code> [static]</code> </td>
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Definition at line <a class="el" href="fs_8c-source.html#l00026">26</a> of file <a class="el" href="fs_8c-source.html">fs.c</a>.
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Referenced by <a class="el" href="fs_8c-source.html#l00028">freeFilesystems()</a>, <a class="el" href="fs_8c-source.html#l00145">getFilesystemList()</a>, <a class="el" href="fs_8c-source.html#l00273">rpmGetFilesystemList()</a>, and <a class="el" href="fs_8c-source.html#l00287">rpmGetFilesystemUsage()</a>.
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