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

/* SPDX-License-Identifier: GPL-2.0+ */
/*
 * Copyright (C) 2014 Samsung Electronics
 * Przemyslaw Marczak <[email protected]>
 */
#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.
 */
#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 <[email protected]>
00e9e6d1	5	*/
65cd3fa8	6	#ifndef _ERRNO_H
00e9e6d1	7	#define _ERRNO_H
65cd3fa8	8
5d97dff0	9	#include <linux/errno.h>
65cd3fa8	10
be1e77f2 MB	11	#ifdef __SANDBOX__
	12	#define __errno_asm_label asm("__u_boot_errno")
	13	#else
	14	#define __errno_asm_label
	15	#endif
	16
	17	extern int errno __errno_asm_label;
65cd3fa8 WD	18
	19	#define __set_errno(val) do { errno = val; } while (0)
	20
f279e1d9 HS	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	*/
59345b1f PM	28	#ifdef CONFIG_ERRNO_STR
59345b1f PM	29	const char *errno_str(int errno);
862887d8	30	#else
f279e1d9 HS	31	static const char error_message[] = "";
f279e1d9 HS	32
862887d8 SG	33	static inline const char *errno_str(int errno)
862887d8 SG	34	{
f279e1d9	35	return error_message;
862887d8	36	}
59345b1f	37	#endif
65cd3fa8	38	#endif /* _ERRNO_H */