adds MIT license

LICENSE

@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2026 Oleksandr Zhylin
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

TODO.md

@@ -3,7 +3,7 @@
 ## Current:
 - [ ] PageUp/PageDown key functionality in lists
 - [ ] File upload multiline description (window)
-- [ ] Permission checkboxes for file upload/edit
+- [x] Permission checkboxes for file upload/edit
 - [ ] Check file upload
 - [ ] More intuitive navigation between nested groups (by pressing left and right buttons)
 

src/common.h

@@ -1,3 +1,6 @@
+/* SPDX-License-Identifier: MIT */
+/* Copyright (c) 2026 Oleksandr Zhylin */
+
 #ifndef COMMON_H
 #define COMMON_H
 #include <stdint.h>

src/connection.c

@@ -1,3 +1,6 @@
+/* SPDX-License-Identifier: MIT */
+/* Copyright (c) 2026 Oleksandr Zhylin */
+
 #include "main.h"
 #include <widget.h>
 #include <arpa/inet.h>

src/connection.h

@@ -1,3 +1,6 @@
+/* SPDX-License-Identifier: MIT */
+/* Copyright (c) 2026 Oleksandr Zhylin */
+
 #ifndef CONNECTION_H
 #define CONNECTION_H
 #include "main.h"

src/draw_modal.c

@@ -1,3 +1,6 @@
+/* SPDX-License-Identifier: MIT */
+/* Copyright (c) 2026 Oleksandr Zhylin */
+
 #include <modals.h>
 #include <widget.h>
 #include "main.h"

src/draw_modal.h

@@ -1,3 +1,6 @@
+/* SPDX-License-Identifier: MIT */
+/* Copyright (c) 2026 Oleksandr Zhylin */
+
 #ifndef DRAW_MODAL_H
 #define DRAW_MODAL_H
 #include <widget.h>

src/file_processor.c

@@ -1,3 +1,6 @@
+/* SPDX-License-Identifier: MIT */
+/* Copyright (c) 2026 Oleksandr Zhylin */
+
 #include <arpa/inet.h>
 #include <fcntl.h>
 #include <netinet/in.h>

src/file_processor.h

@@ -1,3 +1,6 @@
+/* SPDX-License-Identifier: MIT */
+/* Copyright (c) 2026 Oleksandr Zhylin */
+
 #ifndef FILE_PROCESSOR_H
 #define FILE_PROCESSOR_H
 #include "main.h"

src/fs.c

@@ -1,3 +1,6 @@
+/* SPDX-License-Identifier: MIT */
+/* Copyright (c) 2026 Oleksandr Zhylin */
+
 #include <unistd.h>
 #include <string.h>
 #include <stdio.h>

src/fs.h

@@ -1,3 +1,6 @@
+/* SPDX-License-Identifier: MIT */
+/* Copyright (c) 2026 Oleksandr Zhylin */
+
 #ifndef LOC_FS_H
 #define LOC_FS_H
 

src/main.c

@@ -1,3 +1,6 @@
+/* SPDX-License-Identifier: MIT */
+/* Copyright (c) 2026 Oleksandr Zhylin */
+
 #include <arpa/inet.h>
 #include <ncursesw/ncurses.h>
 #include <netinet/in.h>
@@ -9,12 +12,12 @@
 #include <termios.h>
 #include <unistd.h>
 #include <widget.h>
+#include <modals.h>
 
 #include "connection.h"
 #include "file_list.h"
 #include "main.h"
 #include "query.h"
-#include <modals.h>
 
 uint32_t m_id = 0;
 

src/main.h

@@ -1,3 +1,6 @@
+/* SPDX-License-Identifier: MIT */
+/* Copyright (c) 2026 Oleksandr Zhylin */
+
 #ifndef MAIN_H
 #define MAIN_H
 

src/modals/upload_props_dialogue.c

@@ -8,6 +8,7 @@
 #include <string.h>
 #include <unistd.h>
 #include <widget.h>
+#include <utils.h>
 
 void upload_props_dialogue_modal_cb(callback_args_t *args) {
   callback_args_t d_args;
@@ -23,10 +24,12 @@ void upload_props_dialogue_modal_cb(callback_args_t *args) {
     checkbox_t *reg_cbx  = (checkbox_t *)d->g_content->elements[0].element;
     checkbox_t *anon_cbx = (checkbox_t *)d->g_content->elements[1].element;
     checkbox_t *comp_cbx = (checkbox_t *)d->g_content->elements[2].element;
+    
     int32_t privileges = 0;
     if (anon_cbx->value == true) privileges |= 1;
     if (reg_cbx->value == true)  privileges |= 2;
     if (comp_cbx->value == true) privileges |= 4;
+
     switch (d_args.resp_data.val.val.num) {
     case 1:
       query_len =
@@ -41,12 +44,9 @@ void upload_props_dialogue_modal_cb(callback_args_t *args) {
       write(app->query_args->sd, query, query_len);
       break;
     case 2:
-      if (app->query_args->file->name != NULL)
-        free(app->query_args->file->name);
-      if (app->query_args->file->path != NULL)
-        free(app->query_args->file->path);
-      free(app->query_args->file);
-      app->query_args->file = NULL;
+      FREE_MLC(app->query_args->file->name);
+      FREE_MLC(app->query_args->file->path)
+      FREE_MLC(app->query_args->file);
       app->query_args->state = S_WAIT_SERVER;
       break;
     }

src/query.c

@@ -1,3 +1,6 @@
+/* SPDX-License-Identifier: MIT */
+/* Copyright (c) 2026 Oleksandr Zhylin */
+
 #include <arpa/inet.h>
 #include <fcntl.h>
 #include <ncursesw/ncurses.h>

src/query.h

@@ -1,3 +1,6 @@
+/* SPDX-License-Identifier: MIT */
+/* Copyright (c) 2026 Oleksandr Zhylin */
+
 #ifndef QUERY_H
 #define QUERY_H
 

src/server.c

@@ -1,3 +1,6 @@
+/* SPDX-License-Identifier: MIT */
+/* Copyright (c) 2026 Oleksandr Zhylin */
+
 #include "dialogue.h"
 #include "main.h"
 #include <modals.h>

src/server.h

@@ -1,3 +1,6 @@
+/* SPDX-License-Identifier: MIT */
+/* Copyright (c) 2026 Oleksandr Zhylin */
+
 #ifndef SERVER_H
 #define SERVER_H
 

src/types.h

@@ -1,3 +1,6 @@
+/* SPDX-License-Identifier: MIT */
+/* Copyright (c) 2026 Oleksandr Zhylin */
+
 #ifndef D_TYPES_H
 #define D_TYPES_H
 

src/utils/utils.h

@@ -2,4 +2,11 @@
 #define D_UTILS_H
 #include "d_array.h"
 #include "utf8.h"
+
+/* Free if not null and assign NULL */
+#define FREE_MLC(arg)                                                          \
+  if (arg != NULL) {                                                           \
+    free(arg);                                                                 \
+    arg = NULL;                                                                \
+  }
 #endif

src/widget/app.c

@@ -1,3 +1,6 @@
+/* SPDX-License-Identifier: MIT */
+/* Copyright (c) 2026 Oleksandr Zhylin */
+
 #include "app.h"
 #include <locale.h>
 #include <ncursesw/ncurses.h>

src/widget/app.h

@@ -1,3 +1,6 @@
+/* SPDX-License-Identifier: MIT */
+/* Copyright (c) 2026 Oleksandr Zhylin */
+
 #ifndef N_APP_H
 #define N_APP_H
 

src/widget/button.c

@@ -1,3 +1,6 @@
+/* SPDX-License-Identifier: MIT */
+/* Copyright (c) 2026 Oleksandr Zhylin */
+
 #include <ncursesw/ncurses.h>
 #include <stdint.h>
 #include <stdlib.h>

src/widget/button.h

@@ -1,3 +1,6 @@
+/* SPDX-License-Identifier: MIT */
+/* Copyright (c) 2026 Oleksandr Zhylin */
+
 #ifndef BUTTON_H
 #define BUTTON_H
 

src/widget/checkbox.c

@@ -1,3 +1,6 @@
+/* SPDX-License-Identifier: MIT */
+/* Copyright (c) 2026 Oleksandr Zhylin */
+
 #include <ncursesw/ncurses.h>
 #include <stdint.h>
 #include <stdlib.h>

src/widget/checkbox.h

@@ -1,3 +1,6 @@
+/* SPDX-License-Identifier: MIT */
+/* Copyright (c) 2026 Oleksandr Zhylin */
+
 #ifndef CHECKBOX_H
 #define CHECKBOX_H
 

src/widget/dialogue.c

@@ -1,3 +1,6 @@
+/* SPDX-License-Identifier: MIT */
+/* Copyright (c) 2026 Oleksandr Zhylin */
+
 #include <ncursesw/ncurses.h>
 #include <stdint.h>
 #include <string.h>

src/widget/dialogue.h

@@ -1,3 +1,6 @@
+/* SPDX-License-Identifier: MIT */
+/* Copyright (c) 2026 Oleksandr Zhylin */
+
 #ifndef DIALOGUE_H
 #define DIALOGUE_H
 

src/widget/file_list.c

@@ -1,3 +1,6 @@
+/* SPDX-License-Identifier: MIT */
+/* Copyright (c) 2026 Oleksandr Zhylin */
+
 #include "file_list.h"
 #include "../file_processor.h"
 #include "../fs.h"

src/widget/file_list.h

@@ -1,3 +1,6 @@
+/* SPDX-License-Identifier: MIT */
+/* Copyright (c) 2026 Oleksandr Zhylin */
+
 #ifndef FILE_LIST_H
 #define FILE_LIST_H
 #include <bstrlib.h>

src/widget/fs_file_list.c

@@ -1,3 +1,6 @@
+/* SPDX-License-Identifier: MIT */
+/* Copyright (c) 2026 Oleksandr Zhylin */
+
 #include <dirent.h>
 #include <errno.h>
 #include <ncursesw/ncurses.h>

src/widget/fs_file_list.h

@@ -1,3 +1,6 @@
+/* SPDX-License-Identifier: MIT */
+/* Copyright (c) 2026 Oleksandr Zhylin */
+
 #ifndef FS_FILE_LIST_H
 #define FS_FILE_LIST_H
 #include <widget_core.h>

src/widget/group.c

@@ -1,3 +1,6 @@
+/* SPDX-License-Identifier: MIT */
+/* Copyright (c) 2026 Oleksandr Zhylin */
+
 #include "group.h"
 #include "button.h"
 #include "checkbox.h"

src/widget/group.h

@@ -1,3 +1,6 @@
+/* SPDX-License-Identifier: MIT */
+/* Copyright (c) 2026 Oleksandr Zhylin */
+
 #ifndef GROUP_H
 #define GROUP_H
 

src/widget/input.c

@@ -1,3 +1,6 @@
+/* SPDX-License-Identifier: MIT */
+/* Copyright (c) 2026 Oleksandr Zhylin */
+
 #include <ncursesw/ncurses.h>
 #include <stdint.h>
 #include <stdlib.h>

src/widget/input.h

@@ -1,3 +1,6 @@
+/* SPDX-License-Identifier: MIT */
+/* Copyright (c) 2026 Oleksandr Zhylin */
+
 #ifndef INPUT_H
 #define INPUT_H
 

src/widget/progress_bar.c

@@ -1,3 +1,6 @@
+/* SPDX-License-Identifier: MIT */
+/* Copyright (c) 2026 Oleksandr Zhylin */
+
 #include "progress_bar.h"
 #include "app.h"
 #include <ncursesw/ncurses.h>

src/widget/progress_bar.h

@@ -1,3 +1,6 @@
+/* SPDX-License-Identifier: MIT */
+/* Copyright (c) 2026 Oleksandr Zhylin */
+
 #ifndef PROGRESS_BAR_H
 #define PROGRESS_BAR_H
 #include <widget_core.h>

src/widget/widget.h

@@ -1,3 +1,6 @@
+/* SPDX-License-Identifier: MIT */
+/* Copyright (c) 2026 Oleksandr Zhylin */
+
 #ifndef WIDGET_H
 #define WIDGET_H
 #include "app.h"

src/widget_core/widget_core.c

@@ -1,3 +1,6 @@
+/* SPDX-License-Identifier: MIT */
+/* Copyright (c) 2026 Oleksandr Zhylin */
+
 #include "widget_core.h"
 #include "../main.h"
 #include <ncursesw/ncurses.h>

src/widget_core/widget_core.h

@@ -1,3 +1,6 @@
+/* SPDX-License-Identifier: MIT */
+/* Copyright (c) 2026 Oleksandr Zhylin */
+
 #ifndef WIDGET_CORE_H
 #define WIDGET_CORE_H