Why can’t I get ENODATA from Setxattr?

Question

The following is always meeting the ENOENT condition at the end. I would like to print ENODATA. What do I need to change in setxattr?

#include <sys/xattr.h>
#include <stdio.h>
#include <errno.h>
#include <string.h>

int main() {
  int ret;
  const char * file = "non_existent_file.txt";
  const char * name = "user.test";
  const char * value = "value";
  ssize_t size = strlen(value);
  printf("Setting Xattr\n");
  ret = setxattr(file, name, value, size, XATTR_REPLACE);
  if (ret == -1) {
    printf("Xattr set failed: %s\n", strerror(errno));
    perror("");
  }
  if (errno == ENODATA) {
    printf("ENODATA\n");
  }
  if (errno == ENOENT) {
    printf("ENOENT\n");
  }
  return 0;
} 

I get “ENOENT” printed from last condition end statements

I tried adding the XATTR_REPLACE flag. I’ve removed valid paths for the file path

Edit:

Target OS: Ubuntu/ Linux