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/*
* Copyright (C) 2015, 2016, 2017 "IoT.bzh"
* Author José Bollo <jose.bollo@iot.bzh>
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#define _GNU_SOURCE
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <unistd.h>
#include <errno.h>
#include <systemd/sd-event.h>
#include <systemd/sd-bus.h>
#include "afb-common.h"
#include "locale-root.h"
#include "jobs.h"
static const char *default_locale = NULL;
static struct locale_root *rootdir = NULL;
static struct sd_bus *sdbusopen(struct sd_bus **p, int (*f)(struct sd_bus **))
{
if (*p == NULL) {
int rc = f(p);
if (rc < 0) {
errno = -rc;
*p = NULL;
} else {
rc = sd_bus_attach_event(*p, afb_common_get_event_loop(), 0);
if (rc < 0) {
sd_bus_unref(*p);
errno = -rc;
*p = NULL;
}
}
}
return *p;
}
struct sd_event *afb_common_get_event_loop()
{
return jobs_get_sd_event();
}
struct sd_bus *afb_common_get_user_bus()
{
static struct sd_bus *result = NULL;
return sdbusopen((void*)&result, (void*)sd_bus_open_user);
}
struct sd_bus *afb_common_get_system_bus()
{
static struct sd_bus *result = NULL;
return sdbusopen((void*)&result, (void*)sd_bus_open_system);
}
void afb_common_default_locale_set(const char *locale)
{
default_locale = locale;
}
const char *afb_common_default_locale_get()
{
return default_locale;
}
int afb_common_rootdir_set(const char *dirname)
{
int dirfd, rc;
struct locale_root *root;
struct locale_search *search;
rc = -1;
dirfd = openat(AT_FDCWD, dirname, O_PATH|O_DIRECTORY);
if (dirfd < 0) {
/* TODO message */
} else {
root = locale_root_create(dirfd);
if (root == NULL) {
/* TODO message */
close(dirfd);
} else {
rc = 0;
if (default_locale != NULL) {
search = locale_root_search(root, default_locale, 0);
if (search == NULL) {
/* TODO message */
} else {
locale_root_set_default_search(root, search);
locale_search_unref(search);
}
}
locale_root_unref(rootdir);
rootdir = root;
}
}
return rc;
}
int afb_common_rootdir_get_fd()
{
return locale_root_get_dirfd(rootdir);
}
int afb_common_rootdir_open_locale(const char *filename, int flags, const char *locale)
{
return locale_root_open(rootdir, filename, flags, locale);
}
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