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/apicalls/folder_create.c

@@ -0,0 +1,73 @@
+/*
+ * 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 <stdio.h>
+#include <string.h>
+#include <inttypes.h>
+
+#include <curl/curl.h>
+
+#include "../apicalls.h"
+#include "../mfconn.h"
+#include "../../utils/http.h"
+#include "../../utils/strings.h"
+
+int
+mfconn_api_folder_create(mfconn_t *mfconn,char *parent,char *name)
+{
+    char        *api_call;
+    int         retval;
+
+    if(mfconn == NULL) return -1;
+
+    if(name == NULL) return -1;
+    if(strlen(name) < 1) return -1;
+
+    // key must either be 11 chars or "myfiles"
+    if(parent != NULL)
+    {
+        if(strlen(parent) != 13)
+        {
+            // if it is myfiles, set paret to NULL
+            if(strcmp(parent,"myfiles") == 0) parent = NULL;
+        }
+    }
+
+    if(parent != NULL)
+    {
+        api_call = mfconn_create_signed_get(mfconn,0,"folder/create.php",
+            "?parent_key=%s"
+            "&foldername=%s"
+            "&response_format=json",
+            parent,name);
+    }
+    else
+    {
+        api_call = mfconn_create_signed_get(mfconn,0,"folder/create.php",
+            "?foldername=%s&response_format=json", name);
+    }
+
+    http_t *conn = http_create();
+    retval = http_get_buf(conn, api_call, NULL, NULL);
+    http_destroy(conn);
+
+    return retval;
+}
+