u-boot/include/errno.h

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/* SPDX-License-Identifier: GPL-2.0+ */
/*
* Copyright (C) 2014 Samsung Electronics
* Przemyslaw Marczak <p.marczak@samsung.com>
*/
#ifndef _ERRNO_H
#define _ERRNO_H
#include <linux/errno.h>
#ifdef __SANDBOX__
#define __errno_asm_label asm("__u_boot_errno")
#else
#define __errno_asm_label
#endif
extern int errno __errno_asm_label;
#define __set_errno(val) do { errno = val; } while (0)
/**
* errno_str() - get description for error number
*
* @errno: error number (negative in case of error)
* Return: string describing the error. If CONFIG_ERRNO_STR is not
* defined an empty string is returned.
*/
#if CONFIG_IS_ENABLED(ERRNO_STR)
const char *errno_str(int errno);
#else
static const char error_message[] = "";
static inline const char *errno_str(int errno)
{
return error_message;
}
#endif
#endif /* _ERRNO_H */