634 lines
31 KiB
HTML
634 lines
31 KiB
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<a href="#func-members">Functions</a> </div>
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<div class="headertitle"><div class="title">disk.h File Reference</div></div>
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<div class="textblock"><code>#include <stdio.h></code><br />
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<code>#include "<a class="el" href="struct_8h_source.html">struct.h</a>"</code><br />
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<code>#include <string.h></code><br />
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<code>#include <stdlib.h></code><br />
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<code>#include <unistd.h></code><br />
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<code>#include "<a class="el" href="env_8h_source.html">env.h</a>"</code><br />
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<code>#include "<a class="el" href="const_8h_source.html">const.h</a>"</code><br />
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<code>#include "<a class="el" href="utils_8h_source.html">utils.h</a>"</code><br />
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Include dependency graph for disk.h:</div>
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This graph shows which files directly or indirectly include this file:</div>
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<div class="center"><img src="disk_8h__dep__incl.png" border="0" usemap="#asrc_2disk_8hdep" alt=""/></div>
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<p><a href="disk_8h_source.html">Go to the source code of this file.</a></p>
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<table class="memberdecls">
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a id="func-members" name="func-members"></a>
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Functions</h2></td></tr>
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<tr class="memitem:a7eb10c7006ff648d851b15f24e4305c3" id="r_a7eb10c7006ff648d851b15f24e4305c3"><td class="memItemLeft" align="right" valign="top"><a class="el" href="structdisk.html">disk</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="disk_8h.html#a7eb10c7006ff648d851b15f24e4305c3">create_disk</a> ()</td></tr>
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<tr class="memdesc:a7eb10c7006ff648d851b15f24e4305c3"><td class="mdescLeft"> </td><td class="mdescRight">Formate et initialise un tout nouveau disque virtuel brut nommé "disk" sur le support hôte. <br /></td></tr>
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<tr class="separator:a7eb10c7006ff648d851b15f24e4305c3"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a0410aa30c92de7cca42080e61d4dcd91" id="r_a0410aa30c92de7cca42080e61d4dcd91"><td class="memItemLeft" align="right" valign="top"><a class="el" href="structdisk.html">disk</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="disk_8h.html#a0410aa30c92de7cca42080e61d4dcd91">open_disk</a> (char *filename)</td></tr>
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<tr class="memdesc:a0410aa30c92de7cca42080e61d4dcd91"><td class="mdescLeft"> </td><td class="mdescRight">Ouvre un fichier conteneur physique existant sur le système hôte pour charger sa structure logique en mémoire RAM. <br /></td></tr>
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<tr class="separator:a0410aa30c92de7cca42080e61d4dcd91"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a9db73bc21d502f4b9231a7366070fcad" id="r_a9db73bc21d502f4b9231a7366070fcad"><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="disk_8h.html#a9db73bc21d502f4b9231a7366070fcad">do_ls</a> (<a class="el" href="structdisk.html">disk</a> *d, char *path)</td></tr>
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<tr class="memdesc:a9db73bc21d502f4b9231a7366070fcad"><td class="mdescLeft"> </td><td class="mdescRight">Commande système <code>ls</code>. Liste l'ensemble des éléments compris dans un répertoire. <br /></td></tr>
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<tr class="separator:a9db73bc21d502f4b9231a7366070fcad"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ae99a488757a20d04370d00dd36dcd605" id="r_ae99a488757a20d04370d00dd36dcd605"><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="disk_8h.html#ae99a488757a20d04370d00dd36dcd605">do_touch</a> (<a class="el" href="structdisk.html">disk</a> *d, char *filepath)</td></tr>
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<tr class="memdesc:ae99a488757a20d04370d00dd36dcd605"><td class="mdescLeft"> </td><td class="mdescRight">Commande système <code>touch</code>. Crée un nouveau fichier vide à l'emplacement indiqué. <br /></td></tr>
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<tr class="separator:ae99a488757a20d04370d00dd36dcd605"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a69cc37c23ee36cbf476280a13b83276b" id="r_a69cc37c23ee36cbf476280a13b83276b"><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="disk_8h.html#a69cc37c23ee36cbf476280a13b83276b">do_mkdir</a> (<a class="el" href="structdisk.html">disk</a> *d, char *dirpath)</td></tr>
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<tr class="memdesc:a69cc37c23ee36cbf476280a13b83276b"><td class="mdescLeft"> </td><td class="mdescRight">Commande système <code>mkdir</code>. Génère une arborescence de sous-répertoire d'après un chemin fourni. <br /></td></tr>
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<tr class="separator:a69cc37c23ee36cbf476280a13b83276b"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a31d16b7fcc1b8c0cfc7651c86d233bd5" id="r_a31d16b7fcc1b8c0cfc7651c86d233bd5"><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="disk_8h.html#a31d16b7fcc1b8c0cfc7651c86d233bd5">do_df</a> (<a class="el" href="structdisk.html">disk</a> *d)</td></tr>
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<tr class="memdesc:a31d16b7fcc1b8c0cfc7651c86d233bd5"><td class="mdescLeft"> </td><td class="mdescRight">Commande système <code>df</code>. Affiche les statistiques d'utilisation de l'espace disque et des inodes. <br /></td></tr>
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<tr class="separator:a31d16b7fcc1b8c0cfc7651c86d233bd5"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ab892860e63632cdcf960c65b314772b9" id="r_ab892860e63632cdcf960c65b314772b9"><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="disk_8h.html#ab892860e63632cdcf960c65b314772b9">do_rm</a> (<a class="el" href="structdisk.html">disk</a> *<a class="el" href="structdisk.html">disk</a>, char *filepath)</td></tr>
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<tr class="memdesc:ab892860e63632cdcf960c65b314772b9"><td class="mdescLeft"> </td><td class="mdescRight">Commande système <code>rm</code>. Supprime un fichier classique ou un lien symbolique. <br /></td></tr>
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<tr class="separator:ab892860e63632cdcf960c65b314772b9"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:af10807a70b9341c379973247c446824e" id="r_af10807a70b9341c379973247c446824e"><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="disk_8h.html#af10807a70b9341c379973247c446824e">do_rmdir</a> (<a class="el" href="structdisk.html">disk</a> *<a class="el" href="structdisk.html">disk</a>, char *filepath)</td></tr>
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<tr class="memdesc:af10807a70b9341c379973247c446824e"><td class="mdescLeft"> </td><td class="mdescRight">Commande système <code>rmdir</code>. Supprime un répertoire vide identifié par son chemin absolu. <br /></td></tr>
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<tr class="separator:af10807a70b9341c379973247c446824e"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a6715a2ff0198e20d4596d140784d633b" id="r_a6715a2ff0198e20d4596d140784d633b"><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="disk_8h.html#a6715a2ff0198e20d4596d140784d633b">do_cat</a> (<a class="el" href="structdisk.html">disk</a> *<a class="el" href="structdisk.html">disk</a>, char *path_to_file)</td></tr>
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<tr class="memdesc:a6715a2ff0198e20d4596d140784d633b"><td class="mdescLeft"> </td><td class="mdescRight">Commande système <code>cat</code>. Affiche le contenu d'un fichier ou redirige l'entrée standard. <br /></td></tr>
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<tr class="separator:a6715a2ff0198e20d4596d140784d633b"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:acaa80df6e40b49030c912453717bc176" id="r_acaa80df6e40b49030c912453717bc176"><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="disk_8h.html#acaa80df6e40b49030c912453717bc176">do_grep</a> (char *arg)</td></tr>
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<tr class="separator:acaa80df6e40b49030c912453717bc176"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a6f69e1d7bb5d136f816149887845e9c8" id="r_a6f69e1d7bb5d136f816149887845e9c8"><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="disk_8h.html#a6f69e1d7bb5d136f816149887845e9c8">find_dir_inode_by_name</a> (char *name, int dir_index, <a class="el" href="structdisk.html">disk</a> *d)</td></tr>
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<tr class="memdesc:a6f69e1d7bb5d136f816149887845e9c8"><td class="mdescLeft"> </td><td class="mdescRight">Parcourt les entrées d'un répertoire pour extraire l'ID numérique de l'inode correspondant à un nom donné. <br /></td></tr>
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<tr class="separator:a6f69e1d7bb5d136f816149887845e9c8"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ae1bed71dffe181556a19024ae600412f" id="r_ae1bed71dffe181556a19024ae600412f"><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="disk_8h.html#ae1bed71dffe181556a19024ae600412f">redirect_out</a> (<a class="el" href="structdisk.html">disk</a> *d, int mode, char *file, int in)</td></tr>
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<tr class="memdesc:ae1bed71dffe181556a19024ae600412f"><td class="mdescLeft"> </td><td class="mdescRight">Redirige le flux de données lu depuis un descripteur d'entrée vers un fichier spécifié de notre SGF. <br /></td></tr>
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<tr class="separator:ae1bed71dffe181556a19024ae600412f"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ad6626984368788d12c01f0dffe24d4ea" id="r_ad6626984368788d12c01f0dffe24d4ea"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="disk_8h.html#ad6626984368788d12c01f0dffe24d4ea">persist_on_disk</a> (<a class="el" href="structdisk.html">disk</a> *d)</td></tr>
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<tr class="memdesc:ad6626984368788d12c01f0dffe24d4ea"><td class="mdescLeft"> </td><td class="mdescRight">Synchronise (sauvegarde) l'arborescence logique en mémoire vive dans le conteneur physique "disk". <br /></td></tr>
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<tr class="separator:ad6626984368788d12c01f0dffe24d4ea"><td class="memSeparator" colspan="2"> </td></tr>
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</table>
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<h2 class="groupheader">Function Documentation</h2>
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<a id="a7eb10c7006ff648d851b15f24e4305c3" name="a7eb10c7006ff648d851b15f24e4305c3"></a>
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<h2 class="memtitle"><span class="permalink"><a href="#a7eb10c7006ff648d851b15f24e4305c3">◆ </a></span>create_disk()</h2>
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<td class="memname"><a class="el" href="structdisk.html">disk</a> create_disk </td>
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<td>(</td>
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<td class="paramname"></td><td>)</td>
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<td></td>
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</div><div class="memdoc">
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<p>Formate et initialise un tout nouveau disque virtuel brut nommé "disk" sur le support hôte. </p>
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<ul>
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<li>Cette fonction crée la structure logique de base : vidage des tables, initialisation de la racine <code>/</code>, création automatique des liens auto-référencés <code>.</code> et <code>..</code> sur le bloc 0, et génération d'un fichier de test.</li>
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<li><dl class="section return"><dt>Returns</dt><dd>disk La structure de données mémoire représentant le disque nouvellement formaté. </dd></dl>
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</li>
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</ul>
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</div>
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</div>
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<a id="a6715a2ff0198e20d4596d140784d633b" name="a6715a2ff0198e20d4596d140784d633b"></a>
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<h2 class="memtitle"><span class="permalink"><a href="#a6715a2ff0198e20d4596d140784d633b">◆ </a></span>do_cat()</h2>
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<td class="memname">int do_cat </td>
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<td>(</td>
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<td class="paramtype"><a class="el" href="structdisk.html">disk</a> * </td>
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<td class="paramname"><em>disk</em>, </td>
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<td class="paramtype">char * </td>
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<td class="paramname"><em>path_to_file</em> </td>
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<td>)</td>
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<p>Commande système <code>cat</code>. Affiche le contenu d'un fichier ou redirige l'entrée standard. </p>
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<ul>
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<li><dl class="params"><dt>Parameters</dt><dd>
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<table class="params">
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<tr><td class="paramname">disk</td><td>Pointeur vers le disque virtuel. </td></tr>
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<tr><td class="paramname">path_to_file</td><td>Chemin vers le fichier à lire. Si NULL, la fonction affiche en boucle le flux de l'entrée standard. </td></tr>
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</table>
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</dd>
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<dl class="section return"><dt>Returns</dt><dd>int 1 en cas de succès, -1 s'il s'agit d'un répertoire. </dd></dl>
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</li>
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<a id="a31d16b7fcc1b8c0cfc7651c86d233bd5" name="a31d16b7fcc1b8c0cfc7651c86d233bd5"></a>
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<h2 class="memtitle"><span class="permalink"><a href="#a31d16b7fcc1b8c0cfc7651c86d233bd5">◆ </a></span>do_df()</h2>
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<td class="memname">int do_df </td>
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<td>(</td>
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<td class="paramtype"><a class="el" href="structdisk.html">disk</a> * </td>
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<td class="paramname"><em>d</em></td><td>)</td>
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<td></td>
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<p>Commande système <code>df</code>. Affiche les statistiques d'utilisation de l'espace disque et des inodes. </p>
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<ul>
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<li><dl class="params"><dt>Parameters</dt><dd>
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<table class="params">
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<tr><td class="paramname">d</td><td>Pointeur vers le disque virtuel. </td></tr>
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</dd>
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<dl class="section return"><dt>Returns</dt><dd>int Retourne 0 systématiquement après l'affichage sur la sortie standard. </dd></dl>
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<a id="acaa80df6e40b49030c912453717bc176" name="acaa80df6e40b49030c912453717bc176"></a>
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<h2 class="memtitle"><span class="permalink"><a href="#acaa80df6e40b49030c912453717bc176">◆ </a></span>do_grep()</h2>
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<td class="memname">int do_grep </td>
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<td>(</td>
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<td class="paramtype">char * </td>
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<td class="paramname"><em>arg</em></td><td>)</td>
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<h2 class="memtitle"><span class="permalink"><a href="#a9db73bc21d502f4b9231a7366070fcad">◆ </a></span>do_ls()</h2>
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<td class="memname">int do_ls </td>
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<td>(</td>
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<td class="paramtype"><a class="el" href="structdisk.html">disk</a> * </td>
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<td class="paramname"><em>d</em>, </td>
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<tr>
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<td class="paramkey"></td>
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<td></td>
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<td class="paramtype">char * </td>
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<td class="paramname"><em>path</em> </td>
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<tr>
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<td></td>
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<td>)</td>
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</div><div class="memdoc">
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<p>Commande système <code>ls</code>. Liste l'ensemble des éléments compris dans un répertoire. </p>
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<ul>
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<li>Cette fonction colore la sortie selon le type de fichier rencontré (Vert pour un fichier, Bleu pour un dossier).</li>
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<li><dl class="params"><dt>Parameters</dt><dd>
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<table class="params">
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<tr><td class="paramname">d</td><td>Pointeur vers le disque virtuel. </td></tr>
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<tr><td class="paramname">path</td><td>Optionnel : chemin vers le dossier à lister. Si NULL, utilise la variable d'environnement PWD. </td></tr>
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</table>
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</dd>
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</dl>
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<dl class="section return"><dt>Returns</dt><dd>int 1 en cas de succès, -1 si le répertoire n'existe pas ou s'il s'agit d'un fichier classique. </dd></dl>
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</li>
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</ul>
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</div>
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</div>
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<a id="a69cc37c23ee36cbf476280a13b83276b" name="a69cc37c23ee36cbf476280a13b83276b"></a>
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<h2 class="memtitle"><span class="permalink"><a href="#a69cc37c23ee36cbf476280a13b83276b">◆ </a></span>do_mkdir()</h2>
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<td class="memname">int do_mkdir </td>
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<td>(</td>
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<td class="paramtype"><a class="el" href="structdisk.html">disk</a> * </td>
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<td class="paramname"><em>d</em>, </td>
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<td class="paramkey"></td>
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<td></td>
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<td class="paramtype">char * </td>
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<td class="paramname"><em>dirpath</em> </td>
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</tr>
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<tr>
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<td></td>
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<td>)</td>
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<td></td><td></td>
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</table>
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</div><div class="memdoc">
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<p>Commande système <code>mkdir</code>. Génère une arborescence de sous-répertoire d'après un chemin fourni. </p>
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<ul>
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<li><dl class="params"><dt>Parameters</dt><dd>
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<table class="params">
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<tr><td class="paramname">d</td><td>Pointeur vers le disque virtuel. </td></tr>
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<tr><td class="paramname">dirpath</td><td>Chemin logique qualifiant le nouveau dossier. </td></tr>
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</table>
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</dd>
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</dl>
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<dl class="section return"><dt>Returns</dt><dd>int 0 en cas de succès, -1 en cas d'erreur de cheminement ou si le répertoire est déjà pris. </dd></dl>
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</li>
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</ul>
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</div>
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</div>
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<a id="ab892860e63632cdcf960c65b314772b9" name="ab892860e63632cdcf960c65b314772b9"></a>
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<h2 class="memtitle"><span class="permalink"><a href="#ab892860e63632cdcf960c65b314772b9">◆ </a></span>do_rm()</h2>
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<td class="memname">int do_rm </td>
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<td>(</td>
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<td class="paramtype"><a class="el" href="structdisk.html">disk</a> * </td>
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<td class="paramname"><em>disk</em>, </td>
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</tr>
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<td class="paramkey"></td>
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<td></td>
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<td class="paramtype">char * </td>
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<td class="paramname"><em>filepath</em> </td>
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</tr>
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<tr>
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<td></td>
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<td>)</td>
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<td></td><td></td>
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</table>
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</div><div class="memdoc">
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<p>Commande système <code>rm</code>. Supprime un fichier classique ou un lien symbolique. </p>
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<ul>
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<li><dl class="params"><dt>Parameters</dt><dd>
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<table class="params">
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<tr><td class="paramname">disk</td><td>Pointeur vers le disque virtuel. </td></tr>
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<tr><td class="paramname">filepath</td><td>Chemin vers le fichier cible à supprimer. </td></tr>
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</table>
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</dd>
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</dl>
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<dl class="section return"><dt>Returns</dt><dd>int 0 en cas de succès, -1 en cas d'erreur d'accès ou s'il s'agit d'un répertoire. </dd></dl>
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</li>
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</ul>
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</div>
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</div>
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<a id="af10807a70b9341c379973247c446824e" name="af10807a70b9341c379973247c446824e"></a>
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<h2 class="memtitle"><span class="permalink"><a href="#af10807a70b9341c379973247c446824e">◆ </a></span>do_rmdir()</h2>
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<td class="memname">int do_rmdir </td>
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<td>(</td>
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<td class="paramtype"><a class="el" href="structdisk.html">disk</a> * </td>
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<td class="paramname"><em>disk</em>, </td>
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<td class="paramkey"></td>
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<td></td>
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<td class="paramtype">char * </td>
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<td class="paramname"><em>filepath</em> </td>
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</tr>
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<tr>
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<td></td>
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<td>)</td>
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<p>Commande système <code>rmdir</code>. Supprime un répertoire vide identifié par son chemin absolu. </p>
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<ul>
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<li><dl class="params"><dt>Parameters</dt><dd>
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<table class="params">
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<tr><td class="paramname">disk</td><td>Pointeur vers le disque virtuel. </td></tr>
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<tr><td class="paramname">filepath</td><td>Chemin absolu menant au répertoire à supprimer. </td></tr>
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</table>
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</dd>
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</dl>
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<dl class="section return"><dt>Returns</dt><dd>int 0 en cas de succès, -1 en cas d'erreur de chemin, si le dossier n'est pas vide, ou s'il n'existe pas. </dd></dl>
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</li>
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</ul>
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</div>
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</div>
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<a id="ae99a488757a20d04370d00dd36dcd605" name="ae99a488757a20d04370d00dd36dcd605"></a>
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<h2 class="memtitle"><span class="permalink"><a href="#ae99a488757a20d04370d00dd36dcd605">◆ </a></span>do_touch()</h2>
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<td class="memname">int do_touch </td>
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<td>(</td>
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<td class="paramtype"><a class="el" href="structdisk.html">disk</a> * </td>
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<td class="paramname"><em>d</em>, </td>
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</tr>
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<tr>
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<td class="paramkey"></td>
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<td></td>
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<td class="paramtype">char * </td>
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<td class="paramname"><em>filepath</em> </td>
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</tr>
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<tr>
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<td></td>
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<td>)</td>
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<td></td><td></td>
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</tr>
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</table>
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</div><div class="memdoc">
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<p>Commande système <code>touch</code>. Crée un nouveau fichier vide à l'emplacement indiqué. </p>
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<ul>
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<li><dl class="section note"><dt>Note</dt><dd>Si le nom existe déjà, une erreur est renvoyée (le comportement diffère du touch Unix classique). </dd></dl>
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<dl class="params"><dt>Parameters</dt><dd>
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<table class="params">
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<tr><td class="paramname">d</td><td>Pointeur vers le disque virtuel. </td></tr>
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<tr><td class="paramname">filepath</td><td>Chemin complet d'accès au fichier à générer. </td></tr>
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</table>
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</dd>
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</dl>
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<dl class="section return"><dt>Returns</dt><dd>int 0 en cas de succès, -1 si le chemin intermédiaire n'existe pas ou si le nom est indisponible. </dd></dl>
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</li>
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</ul>
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</div>
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</div>
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<a id="a6f69e1d7bb5d136f816149887845e9c8" name="a6f69e1d7bb5d136f816149887845e9c8"></a>
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<h2 class="memtitle"><span class="permalink"><a href="#a6f69e1d7bb5d136f816149887845e9c8">◆ </a></span>find_dir_inode_by_name()</h2>
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<td class="memname">int find_dir_inode_by_name </td>
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<td>(</td>
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<td class="paramtype">char * </td>
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<td class="paramname"><em>name</em>, </td>
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<td class="paramkey"></td>
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<td></td>
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<td class="paramtype">int </td>
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<td class="paramname"><em>dir_index</em>, </td>
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</tr>
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<tr>
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<td class="paramkey"></td>
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<td></td>
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<td class="paramtype"><a class="el" href="structdisk.html">disk</a> * </td>
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<td class="paramname"><em>d</em> </td>
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</tr>
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<tr>
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<td></td>
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<td>)</td>
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</div><div class="memdoc">
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<p>Parcourt les entrées d'un répertoire pour extraire l'ID numérique de l'inode correspondant à un nom donné. </p>
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<ul>
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<li><dl class="params"><dt>Parameters</dt><dd>
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<table class="params">
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<tr><td class="paramname">name</td><td>Nom de l'élément recherché au sein du dossier. </td></tr>
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<tr><td class="paramname">dir_index</td><td>Index du nœud d'index du répertoire de recherche. </td></tr>
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<tr><td class="paramname">d</td><td>Pointeur vers le disque virtuel. </td></tr>
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</table>
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</dd>
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</dl>
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<dl class="section return"><dt>Returns</dt><dd>int L'index numérique de l'inode trouvé, ou -1 en cas d'erreur ou d'absence. </dd></dl>
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</li>
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</ul>
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</div>
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</div>
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<a id="a0410aa30c92de7cca42080e61d4dcd91" name="a0410aa30c92de7cca42080e61d4dcd91"></a>
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<h2 class="memtitle"><span class="permalink"><a href="#a0410aa30c92de7cca42080e61d4dcd91">◆ </a></span>open_disk()</h2>
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<td class="memname"><a class="el" href="structdisk.html">disk</a> open_disk </td>
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<td>(</td>
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<td class="paramtype">char * </td>
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<td class="paramname"><em>filename</em></td><td>)</td>
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<td></td>
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<p>Ouvre un fichier conteneur physique existant sur le système hôte pour charger sa structure logique en mémoire RAM. </p>
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<ul>
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<li><dl class="params"><dt>Parameters</dt><dd>
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<table class="params">
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<tr><td class="paramname">filename</td><td>Chaîne de caractères qualifiant l'emplacement du fichier fichier-disque (généralement "disk"). </td></tr>
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</table>
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</dd>
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</dl>
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<dl class="section return"><dt>Returns</dt><dd>disk La structure mémoire complétée par la lecture brute sérialisée. </dd></dl>
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</li>
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</ul>
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</div>
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</div>
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<a id="ad6626984368788d12c01f0dffe24d4ea" name="ad6626984368788d12c01f0dffe24d4ea"></a>
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<h2 class="memtitle"><span class="permalink"><a href="#ad6626984368788d12c01f0dffe24d4ea">◆ </a></span>persist_on_disk()</h2>
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<td class="memname">void persist_on_disk </td>
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<td>(</td>
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<td class="paramtype"><a class="el" href="structdisk.html">disk</a> * </td>
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<td class="paramname"><em>d</em></td><td>)</td>
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<td></td>
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</tr>
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</table>
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<p>Synchronise (sauvegarde) l'arborescence logique en mémoire vive dans le conteneur physique "disk". </p>
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<ul>
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<li><dl class="params"><dt>Parameters</dt><dd>
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<table class="params">
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<tr><td class="paramname">d</td><td>Pointeur vers la structure mémoire globale à sérialiser sur le disque dur réel. </td></tr>
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</table>
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</dd>
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</dl>
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</li>
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</ul>
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</div>
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<a id="ae1bed71dffe181556a19024ae600412f" name="ae1bed71dffe181556a19024ae600412f"></a>
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<h2 class="memtitle"><span class="permalink"><a href="#ae1bed71dffe181556a19024ae600412f">◆ </a></span>redirect_out()</h2>
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<table class="memname">
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<tr>
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<td class="memname">int redirect_out </td>
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<td>(</td>
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<td class="paramtype"><a class="el" href="structdisk.html">disk</a> * </td>
|
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<td class="paramname"><em>d</em>, </td>
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</tr>
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<tr>
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<td class="paramkey"></td>
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<td></td>
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<td class="paramtype">int </td>
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<td class="paramname"><em>mode</em>, </td>
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</tr>
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<tr>
|
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<td class="paramkey"></td>
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<td></td>
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<td class="paramtype">char * </td>
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<td class="paramname"><em>file</em>, </td>
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</tr>
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<tr>
|
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<td class="paramkey"></td>
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<td></td>
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<td class="paramtype">int </td>
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<td class="paramname"><em>in</em> </td>
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</tr>
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<tr>
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<td></td>
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<td>)</td>
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<td></td><td></td>
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</tr>
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</table>
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</div><div class="memdoc">
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<p>Redirige le flux de données lu depuis un descripteur d'entrée vers un fichier spécifié de notre SGF. </p>
|
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<ul>
|
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<li>Si le fichier existe déjà, le contenu est soit écrasé, soit complété selon la valeur du paramètre <code>mode</code>. S'il n'existe pas, un fichier classique est automatiquement créé dans son répertoire d'appartenance.</li>
|
|
<li><dl class="params"><dt>Parameters</dt><dd>
|
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<table class="params">
|
|
<tr><td class="paramname">d</td><td>Pointeur vers le disque virtuel. </td></tr>
|
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<tr><td class="paramname">mode</td><td>Mode d'ouverture : 0 pour écraser (<code>></code>), 1 pour ajouter à la fin (<code>>></code>). </td></tr>
|
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<tr><td class="paramname">file</td><td>Nom ou chemin du fichier cible devant intercepter le flux. </td></tr>
|
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<tr><td class="paramname">in</td><td>Descripteur d'écriture d'entrée (Pipe, stdin, etc.) depuis lequel lire les octets. </td></tr>
|
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</table>
|
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</dd>
|
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</dl>
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<dl class="section return"><dt>Returns</dt><dd>int 1 après écriture réussie et synchronisation sur le support physique, -1 en cas d'échec de chemin. </dd></dl>
|
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</li>
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</ul>
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</div>
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</div>
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