/js/lib/Socket.IO-node/support/expresso/deps/jscoverage/http-host.c
http://github.com/onedayitwillmake/RealtimeMultiplayerNodeJs · C · 95 lines · 70 code · 6 blank · 19 comment · 22 complexity · 544aad444c1f9c7aefebf2aef7e9b259 MD5 · raw file
- /*
- http-host.c - thread-safe host lookup
- Copyright (C) 2008 siliconforks.com
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2 of the License, or
- (at your option) any later version.
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
- You should have received a copy of the GNU General Public License along
- with this program; if not, write to the Free Software Foundation, Inc.,
- 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
- */
- #include <config.h>
- #include "http-server.h"
- #include "util.h"
- int xgethostbyname(const char * host, struct in_addr * a) {
- #if defined(__CYGWIN__) || defined(__MINGW32__)
- /* gethostbyname is thread-safe */
- struct hostent * p = gethostbyname(host);
- if (p == NULL || p->h_addrtype != AF_INET) {
- return -1;
- }
- *a = *((struct in_addr *) p->h_addr);
- return 0;
- #elif HAVE_GETADDRINFO
- struct addrinfo hints;
- hints.ai_flags = 0;
- hints.ai_family = PF_INET;
- hints.ai_socktype = 0;
- hints.ai_protocol = 0;
- hints.ai_addrlen = 0;
- hints.ai_addr = NULL;
- hints.ai_canonname = NULL;
- hints.ai_next = NULL;
- struct addrinfo * p;
- int result = getaddrinfo(host, NULL, &hints, &p);
- if (result != 0 || p == NULL) {
- return -1;
- }
- if (p->ai_family != PF_INET) {
- freeaddrinfo(p);
- return -1;
- }
- struct sockaddr_in * address_and_port = (struct sockaddr_in *) p->ai_addr;
- *a = address_and_port->sin_addr;
- freeaddrinfo(p);
- return 0;
- #elif HAVE_GETHOSTBYNAME_R
- struct hostent h;
- struct hostent * p;
- char * buffer;
- size_t buffer_size;
- int error;
- int result;
- buffer_size = 1024;
- buffer = xmalloc(buffer_size);
- while ((result = gethostbyname_r(host, &h, buffer, buffer_size, &p, &error)) == ERANGE) {
- buffer_size = mulst(buffer_size, 2);
- buffer = xrealloc(buffer, buffer_size);
- }
- if (result != 0 || p == NULL || p->h_addrtype != AF_INET) {
- free(buffer);
- return -1;
- }
- *a = *((struct in_addr *) p->h_addr);
- free(buffer);
- return 0;
- #else
- #error "No thread-safe host lookup available"
- #endif
- }
- #ifndef HAVE_INET_ATON
- int inet_aton(const char * name, struct in_addr * a) {
- unsigned long result = inet_addr(name);
- if (result == INADDR_NONE) {
- return 0;
- }
- else {
- a->s_addr = result;
- return 1;
- }
- }
- #endif