Check if category is NULL before copying it

src/main/db.c

@@ -59,7 +59,7 @@ sqlite3* get_db() {
             "CREATE TABLE tasks ( \
             id INTEGER PRIMARY KEY,\
             text TEXT NOT NULL,\
-            category TEXT DEFAULT '', \
+            category TEXT DEFAULT NULL, \
             done INTEGER, \
             due_to INTEGER \
             );",
@@ -202,8 +202,12 @@ void get_task(int id, task_t* t) {
         strcpy(t->text, text);
 
         char* category = (char*)sqlite3_column_text(stmt, 4);
-        t->category = malloc(sizeof(char)*(strlen(category)+1));
-        strcpy(t->category, category);
+        if (category) {
+            t->category = malloc(sizeof(char)*(strlen(category)+1));
+            strcpy(t->category, category);
+        } else {
+            t->category = NULL;
+        }
     }
 
     sqlCheck( sqlite3_finalize(stmt) );
@@ -238,8 +242,13 @@ task_list_t* get_task_list(char* input_category, bool include_completed) {
             strcpy(t.text, text);
 
             char* category = (char*)sqlite3_column_text(stmt, 4);
-            t.category = malloc(sizeof(char)*(strlen(category)+1));
-            strcpy(t.category, category);
+            if (category) {
+                t.category = malloc(sizeof(char)*(strlen(category)+1));
+                strcpy(t.category, category);
+            } else {
+                t.category = NULL;
+            }
+            
 
             task_list_t* cur = malloc(sizeof(task_list_t)); // Add the parsed task to the beginning of the list
             cur->task = t;

src/main/include/config.h

@@ -1,7 +1,7 @@
 #ifndef DEF_CONFIG_H
 #define DEF_CONFIG_H
 
-#define VERSION "1.2.1"
+#define VERSION "1.3.0"
 
 // By default, $HOME/.config/takl.sqlite3 is used. You can change this behaviour here
 //#define DB_FILE "takl.sqlite3"