| | 1 | /* SPDX-License-Identifier: GPL-2.0+ */ |
| | 2 | /* |
| | 3 | * Copyright (C) 2014 Samsung Electronics |
| | 4 | * Przemyslaw Marczak <[email protected]> |
| | 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 | |
| | 17 | extern 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 | #if CONFIG_IS_ENABLED(ERRNO_STR) |
| | 29 | const char *errno_str(int errno); |
| | 30 | #else |
| | 31 | static const char error_message[] = ""; |
| | 32 | |
| | 33 | static inline const char *errno_str(int errno) |
| | 34 | { |
| | 35 | return error_message; |
| | 36 | } |
| | 37 | #endif |
| | 38 | #endif /* _ERRNO_H */ |
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