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/*-
* Copyright (c) 2007 Linpro AS
* All rights reserved.
*
* Author: Dag-Erling Smørgrav <des@linpro.no>
*
* 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.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``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 AUTHOR OR CONTRIBUTORS 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.
*
* $Id: instance.c 1581 2007-06-26 11:52:25Z des $
*/
#include <errno.h>
#include <stdio.h>
#include <unistd.h>
#include "varnishapi.h"
int
varnish_instance(const char *n_arg,
char *name, size_t namelen,
char *dir, size_t dirlen)
{
size_t len;
if (n_arg == NULL) {
if (gethostname(name, namelen) != 0)
return (-1);
} else {
len = snprintf(name, namelen, "%s", n_arg);
if (len >= namelen) {
errno = ENAMETOOLONG;
return (-1);
}
}
if (*name == '/')
len = snprintf(dir, dirlen, "%s", name);
else
len = snprintf(dir, dirlen, "%s/%s", VARNISH_STATE_DIR, name);
if (len >= dirlen) {
errno = ENAMETOOLONG;
return (-1);
}
return (0);
}
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