scanf and fgets

[zealous epoch]

I need to get a position using scanf and a string line from the user using fgets but fgets doesn't work

I thought the issue is a \n in the scanf automatically create it after your input

I coded scanf("%i\n", &n) but it still didn't work

int inputPosition(){
  int n = -1;
  printf("Input a position (you have %i elements):\n", numElements);

  while(1){
    scanf("%i\n", &n);
    if (n < 0 || n > numElements){
      printf("Invalid input! Please, try again\n");
    } else {  
      break;
    }
  }
  return n;
}

struct node *newNode(){
  
  struct node *newNode = malloc(sizeof(struct node));
  if (newNode == NULL){
    printf("malloc's error");
    return NULL;
  };

  printf("input your data:\n");
  fgets(*newNode->data, N, stdin);

  newNode->prev = NULL;
  newNode->next = NULL;

  return newNode;
}

[warm fossil]

@zealous epoch

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[jade robin]

a whitespace character (such as \n) in a scanf string means it will keep reading data until it finds a non-whitespace character

also scanf returns whether or not it successfully read an integer via its return value, if it returned 1 here it read the integer

anything else then it failed

IMO the solution here is to ditch scanf, read each line with fgets instead

and strtol to read the integer

[zealous epoch]

after this message, my first thought was char k = getchar()

[zealous epoch]

okay, thanks, I will try this

[warm fossil]

@zealous epoch Has your question been resolved? If so, type !solved :)

[zealous epoch]

!solved