diff options
Diffstat (limited to 'extra/libevent/evutil.c')
| -rw-r--r-- | extra/libevent/evutil.c | 198 |
1 files changed, 0 insertions, 198 deletions
diff --git a/extra/libevent/evutil.c b/extra/libevent/evutil.c deleted file mode 100644 index 1202d354fe4..00000000000 --- a/extra/libevent/evutil.c +++ /dev/null @@ -1,198 +0,0 @@ -/* - * Copyright (c) 2007 Niels Provos <provos@citi.umich.edu> - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. The name of the author may not be used to endorse or promote products - * derived from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR - * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES - * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. - * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, - * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT - * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, - * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF - * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - */ -#ifdef HAVE_CONFIG_H -#include "config.h" -#endif - -#ifdef WIN32 -#define WIN32_LEAN_AND_MEAN -#include <windows.h> -#undef WIN32_LEAN_AND_MEAN -#include <winsock2.h> -#include "misc.h" -#endif - -#include <sys/types.h> -#ifdef HAVE_SYS_SOCKET_H -#include <sys/socket.h> -#endif -#ifdef HAVE_UNISTD_H -#include <unistd.h> -#endif -#ifdef HAVE_FCNTL_H -#include <fcntl.h> -#endif -#ifdef HAVE_STDLIB_H -#include <stdlib.h> -#endif -#include <errno.h> - -#include "evutil.h" -#include "log.h" - -int -evutil_socketpair(int family, int type, int protocol, int fd[2]) -{ -#ifndef WIN32 - return socketpair(family, type, protocol, fd); -#else - /* This code is originally from Tor. Used with permission. */ - - /* This socketpair does not work when localhost is down. So - * it's really not the same thing at all. But it's close enough - * for now, and really, when localhost is down sometimes, we - * have other problems too. - */ - int listener = -1; - int connector = -1; - int acceptor = -1; - struct sockaddr_in listen_addr; - struct sockaddr_in connect_addr; - int size; - int saved_errno = -1; - - if (protocol -#ifdef AF_UNIX - || family != AF_UNIX -#endif - ) { - EVUTIL_SET_SOCKET_ERROR(WSAEAFNOSUPPORT); - return -1; - } - if (!fd) { - EVUTIL_SET_SOCKET_ERROR(WSAEINVAL); - return -1; - } - - listener = (int)socket(AF_INET, type, 0); - if (listener < 0) - return -1; - memset(&listen_addr, 0, sizeof(listen_addr)); - listen_addr.sin_family = AF_INET; - listen_addr.sin_addr.s_addr = htonl(INADDR_LOOPBACK); - listen_addr.sin_port = 0; /* kernel chooses port. */ - if (bind(listener, (struct sockaddr *) &listen_addr, sizeof (listen_addr)) - == -1) - goto tidy_up_and_fail; - if (listen(listener, 1) == -1) - goto tidy_up_and_fail; - - connector = (int)socket(AF_INET, type, 0); - if (connector < 0) - goto tidy_up_and_fail; - /* We want to find out the port number to connect to. */ - size = sizeof(connect_addr); - if (getsockname(listener, (struct sockaddr *) &connect_addr, &size) == -1) - goto tidy_up_and_fail; - if (size != sizeof (connect_addr)) - goto abort_tidy_up_and_fail; - if (connect(connector, (struct sockaddr *) &connect_addr, - sizeof(connect_addr)) == -1) - goto tidy_up_and_fail; - - size = sizeof(listen_addr); - acceptor = (int)accept(listener, (struct sockaddr *) &listen_addr, &size); - if (acceptor < 0) - goto tidy_up_and_fail; - if (size != sizeof(listen_addr)) - goto abort_tidy_up_and_fail; - EVUTIL_CLOSESOCKET(listener); - /* Now check we are talking to ourself by matching port and host on the - two sockets. */ - if (getsockname(connector, (struct sockaddr *) &connect_addr, &size) == -1) - goto tidy_up_and_fail; - if (size != sizeof (connect_addr) - || listen_addr.sin_family != connect_addr.sin_family - || listen_addr.sin_addr.s_addr != connect_addr.sin_addr.s_addr - || listen_addr.sin_port != connect_addr.sin_port) - goto abort_tidy_up_and_fail; - fd[0] = connector; - fd[1] = acceptor; - - return 0; - - abort_tidy_up_and_fail: - saved_errno = WSAECONNABORTED; - tidy_up_and_fail: - if (saved_errno < 0) - saved_errno = WSAGetLastError(); - if (listener != -1) - EVUTIL_CLOSESOCKET(listener); - if (connector != -1) - EVUTIL_CLOSESOCKET(connector); - if (acceptor != -1) - EVUTIL_CLOSESOCKET(acceptor); - - EVUTIL_SET_SOCKET_ERROR(saved_errno); - return -1; -#endif -} - -int -evutil_make_socket_nonblocking(int fd) -{ -#ifdef WIN32 - { - unsigned long nonblocking = 1; - ioctlsocket(fd, FIONBIO, (unsigned long*) &nonblocking); - } -#else - if (fcntl(fd, F_SETFL, O_NONBLOCK) == -1) { - event_warn("fcntl(O_NONBLOCK)"); - return -1; -} -#endif - return 0; -} - -ev_int64_t -evutil_strtoll(const char *s, char **endptr, int base) -{ -#ifdef HAVE_STRTOLL - return (ev_int64_t)strtoll(s, endptr, base); -#elif SIZEOF_LONG == 8 - return (ev_int64_t)strtol(s, endptr, base); -#elif defined(WIN32) && defined(_MSC_VER) && _MSC_VER < 1300 - /* XXXX on old versions of MS APIs, we only support base - * 10. */ - ev_int64_t r; - if (base != 10) - return 0; - r = (ev_int64_t) _atoi64(s); - while (isspace(*s)) - ++s; - while (isdigit(*s)) - ++s; - if (endptr) - *endptr = (char*) s; - return r; -#elif defined(WIN32) - return (ev_int64_t) _strtoi64(s, endptr, base); -#else -#error "I don't know how to parse 64-bit integers." -#endif -} |