/*
 * no_crash.c
 *
 * use fgets rather than scanf for reading strings
 *
 */

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

// remove trailing newline, if there is one
void trim(char string[]){
  int length = strlen(string);
  // printf("   trim: length of the string is %d\n", length);
  // printf("   trim: first char is '%c'\n'", string[0]);
  // printf("   trim: the last char is '%c'\n", string[length-1]);
  if (string[length-1] == '\n'){
    string[length-1] = (char) 0;
  }
}

// read in a string, and then print it back.
void echo(){
  char buffer[8];
  printf("Type something: ");
  // scanf("%s", buffer);      // Will overflow if > 8 chars.
  fgets(buffer, 8, stdin);     // This one can't overflow.
  trim(buffer);                // remove trailing newline, if present
  printf("You said: '%s'\n\n", buffer);
}

int main(){
  int i;
  for (i=0; i<10; i++){
    echo();
  }
  return 0;
}