/*
 * Copyright ©2026 Soham Pardeshi. All rights reserved.
 * Permission is hereby granted to students registered for University of
 * Washington CSE 333 for use solely during Summer Quarter 2026 for
 * purposes of the course. No other use, copying, distribution, or
 * modification is permitted without prior written consent. Copyrights
 * for third-party components of this work must be honored. Instructors
 * interested in reusing these course materials should contact the author.
 */

// INTENTIONAL BUG (lecture demo): returns the address of a local variable.
// Bad's frame is popped when it returns, so p in main dangles. Compiles
// (with a warning) but *p is undefined behavior.
#include <stdio.h>
#include <stdlib.h>

int* Bad(void) {
  int local = 42;
  return &local;   // address of a local!
}

int main(int argc, char* argv[]) {
  int* p = Bad();
  printf("%d\n", *p);  // reads dead memory
  return EXIT_SUCCESS;
}