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/*
 * This file is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License, version 2,
 * as published by the Free Software Foundation.
 *
 * In addition to the permissions in the GNU General Public License,
 * the authors give you unlimited permission to link the compiled
 * version of this file into combinations with other programs,
 * and to distribute those combinations without any restriction
 * coming from the use of this file.  (The General Public License
 * restrictions do apply in other respects; for example, they cover
 * modification of the file, and distribution when not linked into
 * a combined executable.)
 *
 * This file 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; see the file COPYING.  If not, write to
 * the Free Software Foundation, 51 Franklin Street, Fifth Floor,
 * Boston, MA 02110-1301, USA.
 */

#include <sys/types.h>
#include <sys/socket.h>
#include <netdb.h>

#include "git2/errors.h"

#include "common.h"
#include "netops.h"

int gitno_connect(const char *host, const char *port)
{
	struct addrinfo *info, *p;
	struct addrinfo hints;
	int ret, error = GIT_SUCCESS;
	int s;

	memset(&hints, 0x0, sizeof(struct addrinfo));
	hints.ai_family = AF_UNSPEC;
	hints.ai_socktype = SOCK_STREAM;

	ret = getaddrinfo(host, port, &hints, &info);
	if (ret != 0) {
		error = GIT_EOSERR;
		goto cleanup;
	}

	for (p = info; p != NULL; p = p->ai_next) {
		s = socket(p->ai_family, p->ai_socktype, p->ai_protocol);
		if (s < 0) {
			error = GIT_EOSERR;
			goto cleanup;
		}

		ret = connect(s, p->ai_addr, p->ai_addrlen);
		/* If we can't connect, try the next one */
		if (ret < 0) {
			continue;
		}

		/* Return the socket */
		error = s;
		goto cleanup;
	}

	/* Oops, we couldn't connect to any address */
	error = GIT_EOSERR;

cleanup:
	freeaddrinfo(info);
	return error;
}