cs210sil.c

/* cs210sil.c
 * =============================================================
 *    Name:
 * Section:
 * Purpose: Creating a safe input library
 * =============================================================
 */

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

// Use this function as a template for the others
int getIntegerSafe(){
   int value;
   int scanfReturn = 0;

   // attempt to read an integer value
   scanfReturn = scanf("%d", &value);
   fflush(stdin); // eliminate any excess input

   // quit if unsuccessful
   if(scanfReturn != 1){
      fprintf(stderr, "Bad integer input - terminating\n");
      exit(1);
   }
   return value;
}