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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