| // Copyright 2016 The Fuchsia Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef LIB_FDIO_FDIO_UNISTD_H_ |
| #define LIB_FDIO_FDIO_UNISTD_H_ |
| |
| #include <lib/fdio/unsafe.h> |
| |
| #include <cerrno> |
| |
| // needed for e.g. fdio_release; see fd_to_io below. |
| #include "internal.h" |
| |
| // fd_to_io calls fdio_acquire on the fd, must call fdio_release() when done. |
| #define fd_to_io(n) fdio_unsafe_fd_to_io(n) |
| |
| int fdio_status_to_errno(zx_status_t status); |
| |
| // set errno to the closest match for error and return -1 |
| static inline int ERROR(zx_status_t error) { |
| errno = fdio_status_to_errno(error); |
| return -1; |
| } |
| |
| // if status is negative, set errno as appropriate and return -1 |
| // otherwise return status |
| static inline int STATUS(zx_status_t status) { |
| if (status < 0) { |
| errno = fdio_status_to_errno(status); |
| return -1; |
| } else { |
| return status; |
| } |
| } |
| |
| // set errno to e, return -1 |
| static inline int ERRNO(int e) { |
| errno = e; |
| return -1; |
| } |
| |
| #endif // LIB_FDIO_FDIO_UNISTD_H_ |