Fixed segfault

.gitignore

@@ -1,3 +1,5 @@
+test.txt
+
 # ---> C
 # Prerequisites
 *.d

main.c

@@ -33,7 +33,7 @@ int main (int argc, char* argv[]) {
 	noecho();
 	char ch = ' ';
 	int len = 0;
-	char* cmd_string = malloc(cols);
+	char* cmd_string = malloc(128);
 	char (*content)[cols] = malloc(sizeof(char[rows][cols+1]));
 
 	for (int i = 0; i < rows; i ++) {
@@ -52,7 +52,7 @@ int main (int argc, char* argv[]) {
 				insertInStartContent(content, cmd_string);
 				len = 0;
 				clearInput(rows, cols);
-				cmd_string = "";
+				cmd_string = malloc(128);
 				refresh();
 			break;
 			}

test.txt

@@ -1 +1 @@
-test: test
+test: aadsd test