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A C library for asynchronous DNS requests (grpc依赖)
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c-ares/setup.h

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- Fixed a few variable return types for some system calls. Made configure check for ssize_t to make it possible to use that when receiving the send() error code. This is necessary to prevent compiler warnings on some systems. - Made configure create config.h, and all source files now include setup.h that might include the proper config.h (or a handicrafted alternative). - Switched to 'ares_socket_t' type for sockets in ares, since Windows don't use 'int' for that. - automake-ified and libool-ified c-ares. Now it builds libcares as a shared lib on most platforms if wanted. (This bloated the size of the release archive with another 200K!) - Makefile.am now uses Makefile.inc for the c sources, h headers and man pages, to make it easier for other makefiles to use the exact same set of files. - Adjusted 'maketgz' to use the new automake magic when building distribution archives.
21 years ago
#ifndef ARES_SETUP_H
#define ARES_SETUP_H
/* Copyright (C) 2004 by Daniel Stenberg et al
*
* Permission to use, copy, modify, and distribute this software and its
* documentation for any purpose and without fee is hereby granted, provided
* that the above copyright notice appear in all copies and that both that
* copyright notice and this permission notice appear in supporting
* documentation, and that the name of M.I.T. not be used in advertising or
* publicity pertaining to distribution of the software without specific,
* written prior permission. M.I.T. makes no representations about the
* suitability of this software for any purpose. It is provided "as is"
* without express or implied warranty.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#else
/* simple work-around for now, for systems without configure support */
#define ssize_t int
#endif
/* Recent autoconf versions define these symbols in config.h. We don't want
them (since they collide with the libcurl ones when we build
--enable-debug) so we undef them again here. */
#undef PACKAGE_STRING
#undef PACKAGE_TARNAME
#undef PACKAGE_VERSION
#undef PACKAGE_BUGREPORT
#undef PACKAGE_NAME
#undef VERSION
#undef PACKAGE
/* now typedef our socket type */
#ifdef WIN32
Gisle Vanem: Basically in loops like handle_errors(), 'query->next' was assigned a local variable and then query was referenced after the memory was freed by next_server(). I've changed that so next_server() and end_query() returns the next query. So callers should use this ret-value. The next problem was that 'server->tcp_buffer_pos' had a random value at entry to 1st recv() (luckily causing Winsock to return ENOBUFS). I've also added a ares_writev() for Windows to streamline the code a bit more.
21 years ago
#include <winsock.h>
- Fixed a few variable return types for some system calls. Made configure check for ssize_t to make it possible to use that when receiving the send() error code. This is necessary to prevent compiler warnings on some systems. - Made configure create config.h, and all source files now include setup.h that might include the proper config.h (or a handicrafted alternative). - Switched to 'ares_socket_t' type for sockets in ares, since Windows don't use 'int' for that. - automake-ified and libool-ified c-ares. Now it builds libcares as a shared lib on most platforms if wanted. (This bloated the size of the release archive with another 200K!) - Makefile.am now uses Makefile.inc for the c sources, h headers and man pages, to make it easier for other makefiles to use the exact same set of files. - Adjusted 'maketgz' to use the new automake magic when building distribution archives.
21 years ago
typedef SOCKET ares_socket_t;
#define ARES_SOCKET_BAD INVALID_SOCKET
#else
typedef int ares_socket_t;
#define ARES_SOCKET_BAD -1
#endif
#endif /* ARES_SETUP_H */