serval-dna/instance.c
Andrew Bettison 2b3119b49b Issue #20: merge branch 'sockets' into 'development'
Daniel's improvements to the local file/abstract socket code, with many
improvements to bring it up to date.
2013-09-19 04:30:14 +09:30

62 lines
1.8 KiB
C

/*
Serval DNA instance directory path
Copyright (C) 2012 Serval Project Inc.
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 <stdlib.h>
#include "serval.h"
#include "str.h"
#include "os.h"
#include "strbuf.h"
#include "strbuf_helpers.h"
static char *thisinstancepath = NULL;
const char *serval_instancepath()
{
if (thisinstancepath)
return thisinstancepath;
const char *instancepath = getenv("SERVALINSTANCE_PATH");
if (!instancepath)
instancepath = DEFAULT_INSTANCE_PATH;
return instancepath;
}
void serval_setinstancepath(const char *instancepath)
{
if (thisinstancepath == NULL)
free(thisinstancepath);
thisinstancepath = strdup(instancepath);
}
int form_serval_instance_path(char *buf, size_t bufsiz, const char *path)
{
strbuf b = strbuf_local(buf, bufsiz);
strbuf_path_join(b, serval_instancepath(), path, NULL);
if (!strbuf_overrun(b))
return 1;
WHYF("instance path overflow (strlen %lu, sizeof buffer %lu): %s",
(unsigned long)strbuf_count(b),
(unsigned long)bufsiz,
alloca_str_toprint(buf));
return 0;
}
int create_serval_instance_dir() {
return emkdirs(serval_instancepath(), 0700);
}