From 1852910ef0fd7393da62b88aee66ee092208748e Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sat, 27 Apr 2024 12:41:58 +0200 Subject: Adding upstream version 5.3.1. Signed-off-by: Daniel Baumann --- lib/defines.h | 99 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 99 insertions(+) create mode 100644 lib/defines.h (limited to 'lib/defines.h') diff --git a/lib/defines.h b/lib/defines.h new file mode 100644 index 0000000..dc8c378 --- /dev/null +++ b/lib/defines.h @@ -0,0 +1,99 @@ +/* Copyright (C) 2014-2020 CZ.NIC, z.s.p.o. + * SPDX-License-Identifier: GPL-3.0-or-later + */ + +#pragma once + +#include +#include +#include +#include + +/* Function attributes */ +#if __GNUC__ >= 4 +#define KR_EXPORT __attribute__ ((visibility ("default"))) +#define KR_CONST __attribute__((__const__)) +#define KR_PURE __attribute__((__pure__)) +#define KR_NORETURN __attribute__((__noreturn__)) +#define KR_COLD __attribute__((__cold__)) +#define KR_PRINTF(n) __attribute__((format (printf, n, (n+1)))) +#else +#define KR_EXPORT +#define KR_CONST +#define KR_PURE +#define KR_NORETURN +#define KR_COLD +#define KR_PRINTF(n) +#endif + +#ifndef uint /* Redefining typedef is a C11 feature. */ +typedef unsigned int uint; +#define uint uint +#endif + +/* + * Error codes. + */ +#define kr_ok() 0 +/* Mark as cold to mark all branches as unlikely. */ +static inline int KR_COLD kr_error(int x) { + return x <= 0 ? x : -x; +} +#define kr_strerror(x) strerror(abs(x)) + +/* + * Connection limits. + * @cond internal + */ +#define KR_CONN_RTT_MAX 2000 /* Timeout for network activity */ +#define KR_CONN_RETRY 200 /* Retry interval for network activity */ +#define KR_ITER_LIMIT 100 /* Built-in iterator limit */ +#define KR_RESOLVE_TIME_LIMIT 10000 /* Upper limit for resolution time of single query, ms */ +#define KR_CNAME_CHAIN_LIMIT 13 /* Built-in maximum CNAME chain length */ +#define KR_TIMEOUT_LIMIT 10 /* Maximum number of retries after timeout. */ +#define KR_QUERY_NSRETRY_LIMIT 4 /* Maximum number of retries per query. */ +#define KR_COUNT_NO_NSADDR_LIMIT 5 +#define KR_CONSUME_FAIL_ROW_LIMIT 3 /* Maximum number of KR_STATE_FAIL in a row. */ + +/* + * Defines. + */ +#define KR_DNS_PORT 53 +#define KR_DNS_DOH_PORT 443 +#define KR_DNS_TLS_PORT 853 +#define KR_EDNS_VERSION 0 +#define KR_EDNS_PAYLOAD 1232 /* Default UDP payload; see https://dnsflagday.net/2020/ */ +#define KR_CACHE_DEFAULT_TTL_MIN (5) /* avoid bursts of queries */ +#define KR_CACHE_DEFAULT_TTL_MAX (6 * 24 * 3600) /* 6 days, like the root NS TTL */ + +#define KR_DNAME_STR_MAXLEN (KNOT_DNAME_TXT_MAXLEN + 1) +#define KR_RRTYPE_STR_MAXLEN (16 + 1) + +/* + * Address sanitizer hints. + */ +#if !defined(__SANITIZE_ADDRESS__) && defined(__has_feature) +# if __has_feature(address_sanitizer) +# define __SANITIZE_ADDRESS__ 1 +# endif +#endif +#if defined(__SANITIZE_ADDRESS__) +void __asan_poison_memory_region(void const volatile *addr, size_t size); +void __asan_unpoison_memory_region(void const volatile *addr, size_t size); +#define kr_asan_poison(addr, size) __asan_poison_memory_region((addr), (size)) +#define kr_asan_unpoison(addr, size) __asan_unpoison_memory_region((addr), (size)) +#define kr_asan_custom_poison(fn, addr) fn ##_poison((addr)) +#define kr_asan_custom_unpoison(fn, addr) fn ##_unpoison((addr)) +#else +#define kr_asan_poison(addr, size) +#define kr_asan_unpoison(addr, size) +#define kr_asan_custom_poison(fn, addr) +#define kr_asan_custom_unpoison(fn, addr) +#endif + +#if defined(__SANITIZE_ADDRESS__) && defined(_FORTIFY_SOURCE) + #error "You can't use address sanitizer with _FORTIFY_SOURCE" + // https://github.com/google/sanitizers/issues/247 +#endif + +/* @endcond */ -- cgit v1.2.3