Refactor code into utils, mfapi and mfshell

- utils is the low level library used by the others
 - mfapi uses utils and implements the api and some wrappers
 - mfshell uses mfapi and utils to provide a shell

mfapi/folder.c

@@ -0,0 +1,126 @@
+/*
+ * Copyright (C) 2013 Bryan Christ <bryan.christ@mediafire.com>
+ *               2014 Johannes Schauer <j.schauer@email.de>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2, as published by
+ * the Free Software Foundation.
+ *
+ * This program 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
+ * this program; if not, write to the Free Software Foundation, Inc., 51
+ * Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+ *
+ */
+
+
+#include <stdlib.h>
+#include <inttypes.h>
+#include <string.h>
+
+#include "folder.h"
+
+struct _folder_s
+{
+    char        folderkey[20];
+    char        name[41];
+    char        parent[20];
+    uint64_t    revision;
+    uint32_t    folder_count;
+    uint32_t    file_count;
+};
+
+folder_t*
+folder_alloc(void)
+{
+    folder_t    *folder;
+
+    folder = (folder_t*)calloc(1,sizeof(folder_t));
+
+    return folder;
+}
+
+void
+folder_free(folder_t *folder)
+{
+    if(folder == NULL) return;
+
+    free(folder);
+
+    return;
+}
+
+int
+folder_set_key(folder_t *folder,const char *key)
+{
+    if(folder == NULL) return -1;
+    if(key == NULL) return -1;
+
+    if(strlen(key) != 13) return -1;
+
+    memset(folder->folderkey,0,sizeof(folder->folderkey));
+    strncpy(folder->folderkey,key,sizeof(folder->folderkey) - 1);
+
+    return 0;
+}
+
+const char*
+folder_get_key(folder_t *folder)
+{
+    if(folder == NULL) return NULL;
+
+    return folder->folderkey;
+}
+
+int
+folder_set_parent(folder_t *folder,const char *parent_key)
+{
+    if(folder == NULL) return -1;
+    if(parent_key == NULL) return -1;
+
+    if(strlen(parent_key) != 13)
+    {
+        if(strcmp(parent_key,"myfiles") != 0) return -1;
+    }
+
+    memset(folder->parent,0,sizeof(folder->parent));
+    strncpy(folder->parent,parent_key,sizeof(folder->parent) -1);
+
+    return 0;
+}
+
+const char*
+folder_get_parent(folder_t *folder)
+{
+    if(folder == NULL) return NULL;
+
+    return folder->parent;
+}
+
+int
+folder_set_name(folder_t *folder,const char *name)
+{
+    if(folder == NULL) return -1;
+    if(name == NULL) return -1;
+
+    if(strlen(name) > 40) return -1;
+
+    memset(folder->name,0,sizeof(folder->name));
+    strncpy(folder->name,name,sizeof(folder->name) - 1);
+
+    return 0;
+}
+
+const char*
+folder_get_name(folder_t *folder)
+{
+    if(folder == NULL) return NULL;
+
+    return folder->name;
+}
+
+