[thirdparty/u-boot.git] / include / errno.h

/* 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>

extern int errno;

#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.
 */
#ifdef CONFIG_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 */
Commit	Line	Data
83d290c5	1	/* SPDX-License-Identifier: GPL-2.0+ */
00e9e6d1 SG	2	/*
	3	* Copyright (C) 2014 Samsung Electronics
	4	* Przemyslaw Marczak <p.marczak@samsung.com>
00e9e6d1	5	*/
65cd3fa8	6	#ifndef _ERRNO_H
00e9e6d1	7	#define _ERRNO_H
65cd3fa8	8
5d97dff0	9	#include <linux/errno.h>
65cd3fa8 WD	10
	11	extern int errno;
	12
	13	#define __set_errno(val) do { errno = val; } while (0)
	14
f279e1d9 HS	15	/**
	16	* errno_str() - get description for error number
	17	*
	18	* @errno: error number (negative in case of error)
	19	* Return: string describing the error. If CONFIG_ERRNO_STR is not
	20	* defined an empty string is returned.
	21	*/
59345b1f PM	22	#ifdef CONFIG_ERRNO_STR
59345b1f PM	23	const char *errno_str(int errno);
862887d8	24	#else
f279e1d9 HS	25	static const char error_message[] = "";
f279e1d9 HS	26
862887d8 SG	27	static inline const char *errno_str(int errno)
862887d8 SG	28	{
f279e1d9	29	return error_message;
862887d8	30	}
59345b1f	31	#endif
65cd3fa8	32	#endif /* _ERRNO_H */