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/* Chrysalide - Outil d'analyse de fichiers binaires
* xdg.c - compléments mineurs au support Freedesktop
*
* Copyright (C) 2008-2014 Cyrille Bagard
*
* This file is part of Chrysalide.
*
* Chrysalide is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*
* Chrysalide is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with Foobar. If not, see <http://www.gnu.org/licenses/>.
*/
#include "xdg.h"
#include <dirent.h>
#include <glib.h>
#include <malloc.h>
#include <stdlib.h>
#include <string.h>
/******************************************************************************
* *
* Paramètres : suffix = élément visé dans le répertoire de configuration. *
* *
* Description : Détermine le chemin d'un répertoire selon les specs. XDG. *
* *
* Retour : Chemin d'accès aux configurations personnelles ou NULL. *
* *
* Remarques : cf. http://standards.freedesktop.org/basedir-spec/. *
* *
******************************************************************************/
char *get_xdg_config_dir(const char *suffix)
{
char *result; /* Chemin d'accès à renvoyer */
const char *env; /* Valeur de l'environnement */
DIR *directory; /* Répertoire avec contenu ? */
struct dirent *entry; /* Elément de répertoire */
result = NULL;
env = getenv("XDG_CONFIG_HOME");
if (env != NULL && env[0] != '\0')
{
directory = opendir(env);
if (directory == NULL) goto default_cfg_dir;
for (entry = readdir(directory); entry != NULL && result == NULL; entry = readdir(directory))
{
if (strcmp(entry->d_name, ".") == 0) continue;
if (strcmp(entry->d_name, "..") == 0) continue;
result = (char *)calloc(strlen(env) + 2 + strlen(suffix) + 1, sizeof(char));
strcpy(result, env);
if (env[strlen(env) - 1] != G_DIR_SEPARATOR)
strcat(result, G_DIR_SEPARATOR_S);
strcat(result, ".");
strcat(result, suffix);
}
closedir(directory);
}
default_cfg_dir:
if (result == NULL)
{
env = getenv("HOME");
if (env == NULL || env[0] == '\0') return NULL;
result = (char *)calloc(strlen(env) + 1 + strlen(".config" G_DIR_SEPARATOR_S)
+ strlen(suffix) + 1, sizeof(char));
strcpy(result, env);
if (env[strlen(env) - 1] != G_DIR_SEPARATOR)
strcat(result, G_DIR_SEPARATOR_S);
strcat(result, ".config" G_DIR_SEPARATOR_S);
strcat(result, suffix);
}
return result;
}
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