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https://github.com/isc-projects/bind9.git
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c1703f5ce6
Instead of having a configure check for every missing function that has
been added in later version of libuv, we now use UV_VERSION_HEX to
decide whether we need the shim or not.
(cherry picked from commit 211bfefbaa)
98 lines
2.5 KiB
C
98 lines
2.5 KiB
C
/*
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* Copyright (C) Internet Systems Consortium, Inc. ("ISC")
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, you can obtain one at https://mozilla.org/MPL/2.0/.
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*
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* See the COPYRIGHT file distributed with this work for additional
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* information regarding copyright ownership.
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*/
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#pragma once
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#include <uv.h>
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/*
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* These functions were introduced in newer libuv, but we still
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* want BIND9 compile on older ones so we emulate them.
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* They're inline to avoid conflicts when running with a newer
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* library version.
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*/
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#define UV_VERSION(major, minor, patch) ((major << 16) | (minor << 8) | (patch))
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#if UV_VERSION_HEX < UV_VERSION(1, 19, 0)
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static inline void *
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uv_handle_get_data(const uv_handle_t *handle) {
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return (handle->data);
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}
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static inline void
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uv_handle_set_data(uv_handle_t *handle, void *data) {
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handle->data = data;
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}
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static inline void *
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uv_req_get_data(const uv_req_t *req) {
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return (req->data);
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}
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static inline void
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uv_req_set_data(uv_req_t *req, void *data) {
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req->data = data;
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}
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#endif /* UV_VERSION_HEX < UV_VERSION(1, 19, 0) */
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#if UV_VERSION_HEX < UV_VERSION(1, 34, 0)
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#define uv_sleep(msec) usleep(msec * 1000)
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#endif /* UV_VERSION_HEX < UV_VERSION(1, 34, 0) */
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#if UV_VERSION_HEX < UV_VERSION(1, 27, 0)
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int
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isc_uv_udp_connect(uv_udp_t *handle, const struct sockaddr *addr);
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/*%<
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* Associate the UDP handle to a remote address and port, so every message sent
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* by this handle is automatically sent to that destination.
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*
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* NOTE: This is just a limited shim for uv_udp_connect() as it requires the
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* handle to be bound.
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*/
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#else /* UV_VERSION_HEX < UV_VERSION(1, 27, 0) */
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#define isc_uv_udp_connect uv_udp_connect
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#endif /* UV_VERSION_HEX < UV_VERSION(1, 27, 0) */
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#if UV_VERSION_HEX < UV_VERSION(1, 12, 0)
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#include <stdlib.h>
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#include <string.h>
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static inline int
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uv_os_getenv(const char *name, char *buffer, size_t *size) {
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size_t len;
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char *buf = getenv(name);
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if (buf == NULL) {
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return (UV_ENOENT);
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}
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len = strlen(buf) + 1;
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if (len > *size) {
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*size = len;
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return (UV_ENOBUFS);
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}
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*size = len;
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memmove(buffer, buf, len);
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return (0);
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}
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#define uv_os_setenv(name, value) setenv(name, value, 0)
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#endif /* UV_VERSION_HEX < UV_VERSION(1, 12, 0) */
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int
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isc_uv_udp_freebind(uv_udp_t *handle, const struct sockaddr *addr,
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unsigned int flags);
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int
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isc_uv_tcp_freebind(uv_tcp_t *handle, const struct sockaddr *addr,
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unsigned int flags);
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