29 lines
690 B
C
29 lines
690 B
C
/* SPDX-License-Identifier: LGPL-2.1 OR MIT */
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/*
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* Minimal errno definitions for NOLIBC
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* Copyright (C) 2017-2022 Willy Tarreau <w@1wt.eu>
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*/
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#ifndef _NOLIBC_ERRNO_H
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#define _NOLIBC_ERRNO_H
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#include <stdio.h>
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#include <asm/errno.h>
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#define SET_ERRNO(v) do { errno = (v); } while (0)
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int errno __attribute__((weak));
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/* errno codes all ensure that they will not conflict with a valid pointer
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* because they all correspond to the highest addressable memory page.
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*/
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#define MAX_ERRNO 4095
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static __attribute__((unused))
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void perror(const char *msg)
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{
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fprintf(stderr, "%s%serrno=%d\n", (msg && *msg) ? msg : "", (msg && *msg) ? ": " : "", errno);
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}
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#endif /* _NOLIBC_ERRNO_H */
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