old data

old_data.c

#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <unistd.h>

void foo() {
	volatile int i = 0;
	volatile char x[] = "exploit";
	printf("Doing something with %s\n", x);
}

void bar() {
    char x[8];
    char y[8] = {'\0'};
    fgets(y, 8, stdin);
    if (strcmp(y, "exploit")) {
	    for (int i = 0; i < 8; i++) {
		    if (y[i] == '\0') break;
		    x[i] = y[i];
	    }
    } else exit(0);
    printf("Running %s\n", x);
}

int main() {
    foo();
    bar();
}