Исправление переполнения

func.c

@@ -66,7 +66,7 @@ void map_digits(char* arr, long *digits, int size) {
 }
 
 void prepare_data(char *arr, long number, int size) {
-	long digits[size];
+	long digits[12];
 	split_digits(number, digits, size);
 	map_digits(arr, digits, size);
 }

keyboard.c

@@ -39,7 +39,6 @@ void get_logical_keys(struct key *undc_keys) {
 			}
 			} else { 
 				undc_keys[i].time = timestamp;
-				
 			}
 		}
 }

spi_master.c

@@ -4,6 +4,7 @@
 #include <util/delay.h>
 #include "spi_master.h"
 #include "func.h"
+#include <stdlib.h>
 
 #define MAX_DIGITS 11
 #define F_CPU 16000000UL
@@ -22,10 +23,11 @@ void output_on_display(struct calculator *calc)
 			b_size = display_set_page(0x01, buffer);
 			SPI_MasterTransmit(buffer, b_size);
 			
-			int size = count_digits(calc->num1);
-			char mapped_digits[size];
-			prepare_data(mapped_digits, calc->num1, size);
-			b_size = display_add_simbol(mapped_digits, size, buffer);
+			//int size = count_digits(calc->num1);
+			char mapped_digits[12];
+			//prepare_data(mapped_digits, calc->num1, size);
+			ltoa(calc->num1 , mapped_digits, 10);
+			b_size = display_add_simbol(mapped_digits, 12, buffer);
 			SPI_MasterTransmit(buffer, b_size);
 			
 			break;