small fixes and description

src/database.c

@@ -5,9 +5,11 @@
 sqlite3 *database_connect(const char *path)
 {
     int rc;
-
-    gchar *file = g_build_filename(path, "cards.db", NULL);
+    gchar *file;
     sqlite3 *db;
+
+    file = g_build_filename(path, "cards.db", NULL);
+
     rc = sqlite3_open(file, &db);
 
     if (rc)
@@ -33,12 +35,13 @@ void database_create_tables(sqlite3 *db)
 {
     int rc;
     sqlite3_stmt *stmt;
+    const char *sql;
 
-    char *sql = "CREATE TABLE IF NOT EXISTS `cards` ("
-                "`category`	INTEGER NOT NULL,"
-                "`task`	TEXT NOT NULL,"
-                "`solution`	TEXT NOT NULL"
-                ")";
+    sql = "CREATE TABLE IF NOT EXISTS `cards` ("
+          "`category`	INTEGER NOT NULL,"
+          "`task`	TEXT NOT NULL,"
+          "`solution`	TEXT NOT NULL"
+          ")";
 
     rc = sqlite3_prepare_v2(db, sql, -1, &stmt, 0);
 
@@ -94,11 +97,12 @@ void database_save_category(sqlite3 *db, const char *c)
 
 GArray *database_load_categories(sqlite3 *db)
 {
-    GArray *categories = g_array_new(TRUE, FALSE, sizeof(category));
-
+    GArray *categories;
     int rc;
     sqlite3_stmt *stmt;
 
+    categories = g_array_new(TRUE, FALSE, sizeof(category));
+
     rc = sqlite3_prepare_v2(db, "SELECT * FROM categories", -1, &stmt, 0);
 
     if (rc != SQLITE_OK)
@@ -109,10 +113,8 @@ GArray *database_load_categories(sqlite3 *db)
     while (sqlite3_step(stmt) == SQLITE_ROW)
     {
         int id = sqlite3_column_int(stmt, 0);
-        const char *temp_name = (const char *)sqlite3_column_text(stmt, 1);
+        char *name = strdup((const char *)sqlite3_column_text(stmt, 1));
 
-        char *name = g_new0(char, strlen(temp_name) + 1);
-        strncpy(name, temp_name, strlen(temp_name) + 1);
         category c = {id, name};
         g_array_append_val(categories, c);
     }
@@ -146,7 +148,9 @@ void database_save_card(sqlite3 *db, card c)
 
 GArray *database_load_cards(sqlite3 *db)
 {
-    GArray *cards = g_array_new(TRUE, FALSE, sizeof(card));
+    GArray *cards;
+
+    cards = g_array_new(TRUE, FALSE, sizeof(card));
 
     return cards;
 }

src/flashcardsappwin.c

@@ -31,15 +31,18 @@ G_DEFINE_TYPE(FlashcardsAppWindow, flashcards_app_window, ADW_TYPE_APPLICATION_W
 static void
 on_category_selected(GtkListBox *box, GtkListBoxRow *row, gpointer user_data)
 {
+    FlashcardsAppWindow *win;
+    int id;
+
     if (row == NULL)
     {
         return;
     }
     printf("Test\n");
-    FlashcardsAppWindow *win = user_data;
+    win = user_data;
     adw_navigation_split_view_set_show_content(ADW_NAVIGATION_SPLIT_VIEW(win->split_view), TRUE);
 
-    int id = gtk_list_box_row_get_index(gtk_list_box_get_selected_row(win->topics));
+    id = gtk_list_box_row_get_index(gtk_list_box_get_selected_row(win->topics));
     printf("%d\n", id);
 }
 
@@ -47,15 +50,19 @@ static void
 on_add_category(GtkButton *self,
                 gpointer user_data)
 {
-    FlashcardsCreateCategoryDialog *dialog = flashcards_create_category_dialog_new(user_data);
+    FlashcardsCreateCategoryDialog *dialog;
+
+    dialog = flashcards_create_category_dialog_new(user_data);
     adw_dialog_present(ADW_DIALOG(dialog), GTK_WIDGET(user_data));
 }
 
 void flashcards_app_window_test(FlashcardsAppWindow *win, const gchar *test)
 {
+    GtkWidget *child;
+
     database_save_category(win->db, test);
 
-    GtkWidget *child = adw_action_row_new();
+    child = adw_action_row_new();
     adw_preferences_row_set_title(ADW_PREFERENCES_ROW(child), test);
 
     gtk_list_box_append(GTK_LIST_BOX(win->topics), child);
@@ -64,20 +71,25 @@ void flashcards_app_window_test(FlashcardsAppWindow *win, const gchar *test)
 static void
 flashcards_app_window_init(FlashcardsAppWindow *win)
 {
+    GArray *categories;
+
     gtk_widget_init_template(GTK_WIDGET(win));
 
     win->db = database_connect(g_get_user_data_dir());
     database_create_tables(win->db);
     win->categories = database_load_categories(win->db);
 
-    GArray *categories = win->categories;
+    categories = win->categories;
 
     for (int i = 0; i < categories->len; i++)
     {
-        category c = g_array_index(categories, category, i);
+        GtkWidget *child;
+        category c;
+
+        c = g_array_index(categories, category, i);
         printf("%d: %s\n", c.id, c.name);
 
-        GtkWidget *child = adw_action_row_new();
+        child = adw_action_row_new();
         adw_preferences_row_set_title(ADW_PREFERENCES_ROW(child), c.name);
 
         gtk_list_box_append(GTK_LIST_BOX(win->topics), child);