libc/arch-nacl/syscalls/dup2.c

// Copyright 2013 Google Inc. All Rights Reserved.

#include <errno.h>

#include <irt_syscalls.h>

int dup2(int fd, int newfd) {
  int result = __nacl_irt_dup2(fd, newfd);
  if (result != 0) {
    errno = result;
    return -1;
  }
  return newfd;
}