/* Similar to malloc/realloc program in Chapter 4, pp. 453-454. */

#include <stdio.h>
#include <stdlib.h>	/* for malloc and realloc */

int main()
{
	size_t n = 0;
	size_t i;	/* uninitialized variable */
	int *p = (int *)malloc(n * sizeof(int));   /* int should be typedef */
	if (p == NULL) {
		fprintf(stderr, "malloc failed\n");
		exit(EXIT_FAILURE);
	}

	printf("Please type integers.  Press RETURN after each one.\n");

	for (;;) {
		int i;	/* uninitialized variable */
		printf("Next integer: ");
		if (scanf("%d", &i) != 1) {
			break;
		}

		p = (int *)realloc(p, ++n * sizeof (int));
		if (p == NULL) {
			fprintf(stderr, "realloc failed\n");
			exit(EXIT_FAILURE);
		}
		p[n - 1] = i;
	}
	printf("\n");

	for (i = 0; i < n; ++i) {
		printf("%d\n", p[i]);
	}

	free(p);
	return feof(stdin) ? EXIT_SUCCESS : EXIT_FAILURE;
}