#define _GNU_SOURCE 1
#include <dlfcn.h>
#include <unistd.h>
#include <fcntl.h>
#include <stdlib.h>

ssize_t
read (int fd, void *buf, size_t count)
{
  static ssize_t (*read2) (int fd, void *buf, size_t count) = NULL;

  if (read2 == NULL)
    {
      unsetenv ("LD_PRELOAD");
      read2 = dlsym (RTLD_NEXT, "read");
    }

  if (count > 0 && isatty (fd) >= 1)
    count = 1;

  return read2 (fd, buf, count);
}