/* SPDX-License-Identifier: LGPL-2.1 OR MIT */ /* * Minimal errno definitions for NOLIBC * Copyright (C) 2017-2022 Willy Tarreau <w@1wt.eu> */ /* make sure to include all global symbols */ #include "nolibc.h" #ifndef _NOLIBC_ERRNO_H #define _NOLIBC_ERRNO_H #include <linux/errno.h> #ifndef NOLIBC_IGNORE_ERRNO #define SET_ERRNO(v) do { errno = (v); } while (0) int errno __attribute__((weak)); char *program_invocation_name __attribute__((weak)) = ""; char *program_invocation_short_name __attribute__((weak)) = ""; #else #define SET_ERRNO(v) do { } while (0) #define program_invocation_name "" #define program_invocation_short_name "" #endif /* errno codes all ensure that they will not conflict with a valid pointer * because they all correspond to the highest addressable memory page. */ #define MAX_ERRNO 4095 #endif /* _NOLIBC_ERRNO_H */