Fixed unitialised error

src/cfg_print.c

@@ -400,11 +400,9 @@ void mcc_print_cfg_dot(struct mcc_tac *tac, FILE *out)
             case MCC_TAC_FUNCTION_END:
                 snprintf(label, sizeof(label),"return (%s)\n", op_type);
                 print_dot_node(out,entry,label);
-                if(next_entry->tac_op == MCC_TAC_LABEL){
-                    print_dot_edge_label(out,entry,next_entry->result,false);
-                }else{
-                    check_dot_edge(out,entry,next_entry,"");
-                }
+                // if(next_entry->tac_op == MCC_TAC_LABEL){
+                //     print_dot_edge_label(out,entry,next_entry->result,false);
+                // }
                 print_dot_end(out);
                 break;
             case MCC_TAC_FUNCTION_START:

src/tac.c

@@ -43,6 +43,7 @@ struct mcc_tac *mcc_tac_new(struct mcc_tac *prev_tac, struct mcc_symbol_table *s
 
     tac->prev = prev_tac;
     tac->next = NULL;
+    tac->label_count = 0;
 
     if(prev_tac != NULL) {
         prev_tac->next = tac;

src/tac_build.c

@@ -38,7 +38,7 @@ void mcc_tac_parse_expression(struct mcc_ast_expression *expression, struct mcc_
         case MCC_AST_EXPRESSION_TYPE_LITERAL : {
             struct mcc_ast_literal *literal = expression->literal;
             enum mcc_tac_operation op = mcc_convert_ast_type_to_tac_literal(literal->type);
-            char *arg1 = malloc((size_t) mcc_get_number_of_digits(tac->temporary_count) + 2);
+            char *arg1 = malloc((size_t) mcc_get_number_of_digits(tac->temporary_count) + 10);
             switch(op) {
                 case MCC_TAC_BOOL :
                     arg1 = literal->b_value ? "true" : "false";
@@ -121,7 +121,7 @@ void mcc_tac_parse_expression(struct mcc_ast_expression *expression, struct mcc_
 
                     if (is_array) {
                         int number_of_digits = mcc_get_number_of_digits(array_size);
-                        char *arg1 = malloc(sizeof(char) * number_of_digits + 1);
+                        char *arg1 = malloc(sizeof(char) * number_of_digits + 10);
                         sprintf(arg1, "%ld", array_size);
                     }
 

src/tac_string_builder.c

@@ -24,6 +24,7 @@ char *mcc_tac_new_temporary_string(struct mcc_tac *tac) {
 
 char *mcc_tac_new_label_string(struct mcc_tac *tac) {
     // + 2 for character L and for \0 and + 1 in case temporay_count is 0
+
     size_t num_digits = (size_t) mcc_get_number_of_digits(tac -> label_count) + 1 + 2;
 
     char *l = malloc(num_digits);