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/*
* Copyright (C) Internet Systems Consortium, Inc. ("ISC")
*
* SPDX-License-Identifier: MPL-2.0
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, you can obtain one at https://mozilla.org/MPL/2.0/.
*
* See the COPYRIGHT file distributed with this work for additional
* information regarding copyright ownership.
*/
#pragma once
#include <uv.h>
/*
* These functions were introduced in newer libuv, but we still
* want BIND9 compile on older ones so we emulate them.
* They're inline to avoid conflicts when running with a newer
* library version.
*/
#define UV_VERSION(major, minor, patch) ((major << 16) | (minor << 8) | (patch))
/*
* Copied verbatim from libuv/src/version.c
*/
#define UV_STRINGIFY(v) UV_STRINGIFY_HELPER(v)
#define UV_STRINGIFY_HELPER(v) #v
#define UV_VERSION_STRING_BASE \
UV_STRINGIFY(UV_VERSION_MAJOR) \
"." UV_STRINGIFY(UV_VERSION_MINOR) "." UV_STRINGIFY(UV_VERSION_PATCH)
#if UV_VERSION_IS_RELEASE
#define UV_VERSION_STRING UV_VERSION_STRING_BASE
#else
#define UV_VERSION_STRING UV_VERSION_STRING_BASE "-" UV_VERSION_SUFFIX
#endif
#if !defined(UV__ERR)
#define UV__ERR(x) (-(x))
#endif
#if UV_VERSION_HEX < UV_VERSION(1, 19, 0)
static inline void *
uv_handle_get_data(const uv_handle_t *handle) {
return (handle->data);
}
static inline void
uv_handle_set_data(uv_handle_t *handle, void *data) {
handle->data = data;
}
static inline void *
uv_req_get_data(const uv_req_t *req) {
return (req->data);
}
static inline void
uv_req_set_data(uv_req_t *req, void *data) {
req->data = data;
}
#endif /* UV_VERSION_HEX < UV_VERSION(1, 19, 0) */
#if UV_VERSION_HEX < UV_VERSION(1, 32, 0)
int
uv_tcp_close_reset(uv_tcp_t *handle, uv_close_cb close_cb);
#endif
#if UV_VERSION_HEX < UV_VERSION(1, 34, 0)
#define uv_sleep(msec) usleep(msec * 1000)
#endif /* UV_VERSION_HEX < UV_VERSION(1, 34, 0) */
#if UV_VERSION_HEX < UV_VERSION(1, 27, 0)
int
isc_uv_udp_connect(uv_udp_t *handle, const struct sockaddr *addr);
/*%<
* Associate the UDP handle to a remote address and port, so every message sent
* by this handle is automatically sent to that destination.
*
* NOTE: This is just a limited shim for uv_udp_connect() as it requires the
* handle to be bound.
*/
#else /* UV_VERSION_HEX < UV_VERSION(1, 27, 0) */
#define isc_uv_udp_connect uv_udp_connect
#endif /* UV_VERSION_HEX < UV_VERSION(1, 27, 0) */
#if UV_VERSION_HEX < UV_VERSION(1, 12, 0)
#include <stdlib.h>
#include <string.h>
static inline int
uv_os_getenv(const char *name, char *buffer, size_t *size) {
size_t len;
char *buf = getenv(name);
if (buf == NULL) {
return (UV_ENOENT);
}
len = strlen(buf) + 1;
if (len > *size) {
*size = len;
return (UV_ENOBUFS);
}
*size = len;
memmove(buffer, buf, len);
return (0);
}
#define uv_os_setenv(name, value) setenv(name, value, 0)
#endif /* UV_VERSION_HEX < UV_VERSION(1, 12, 0) */
int
isc_uv_udp_freebind(uv_udp_t *handle, const struct sockaddr *addr,
unsigned int flags);
int
isc_uv_tcp_freebind(uv_tcp_t *handle, const struct sockaddr *addr,
unsigned int flags);
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