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1 | /* SPDX-License-Identifier: LGPL-2.1 OR MIT */ |
---|---|
2 | /* |
3 | * Minimal errno definitions for NOLIBC |
4 | * Copyright (C) 2017-2022 Willy Tarreau <w@1wt.eu> |
5 | */ |
6 | |
7 | #ifndef _NOLIBC_ERRNO_H |
8 | #define _NOLIBC_ERRNO_H |
9 | |
10 | #include <asm/errno.h> |
11 | |
12 | #ifndef NOLIBC_IGNORE_ERRNO |
13 | #define SET_ERRNO(v) do { errno = (v); } while (0) |
14 | int errno __attribute__((weak)); |
15 | #else |
16 | #define SET_ERRNO(v) do { } while (0) |
17 | #endif |
18 | |
19 | |
20 | /* errno codes all ensure that they will not conflict with a valid pointer |
21 | * because they all correspond to the highest addressable memory page. |
22 | */ |
23 | #define MAX_ERRNO 4095 |
24 | |
25 | /* make sure to include all global symbols */ |
26 | #include "nolibc.h" |
27 | |
28 | #endif /* _NOLIBC_ERRNO_H */ |
29 |
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