LXR uboot/include/errno.h

   1/* SPDX-License-Identifier: GPL-2.0+ */
   2/*
   3 * Copyright (C) 2014 Samsung Electronics
   4 * Przemyslaw Marczak <p.marczak@samsung.com>
   5 */
   6#ifndef _ERRNO_H
   7#define _ERRNO_H
   8
   9#include <linux/errno.h>
  10
  11#ifdef __SANDBOX__
  12#define __errno_asm_label asm("__u_boot_errno")
  13#else
  14#define __errno_asm_label
  15#endif
  16
  17extern int errno __errno_asm_label;
  18
  19#define __set_errno(val) do { errno = val; } while (0)
  20
  21/**
  22 * errno_str() - get description for error number
  23 *
  24 * @errno:      error number (negative in case of error)
  25 * Return:      string describing the error. If CONFIG_ERRNO_STR is not
  26 *              defined an empty string is returned.
  27 */
  28#ifdef CONFIG_ERRNO_STR
  29const char *errno_str(int errno);
  30#else
  31static const char error_message[] = "";
  32
  33static inline const char *errno_str(int errno)
  34{
  35        return error_message;
  36}
  37#endif
  38#endif /* _ERRNO_H */
  39