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/*
* Copyright 2003-2017 The Music Player Daemon Project
* http://www.musicpd.org
*
* 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 "Base.hxx"
#include <assert.h>
#include <string.h>
static char nfs_base_server[64];
static char nfs_base_export_name[256];
static size_t nfs_base_export_name_length;
void
nfs_set_base(const char *server, const char *export_name) noexcept
{
assert(server != nullptr);
assert(export_name != nullptr);
const size_t server_length = strlen(server);
const size_t export_name_length = strlen(export_name);
if (server_length >= sizeof(nfs_base_server) ||
export_name_length > sizeof(nfs_base_export_name))
return;
memcpy(nfs_base_server, server, server_length + 1);
memcpy(nfs_base_export_name, export_name, export_name_length);
nfs_base_export_name_length = export_name_length;
}
const char *
nfs_check_base(const char *server, const char *path) noexcept
{
assert(server != nullptr);
assert(path != nullptr);
return strcmp(nfs_base_server, server) == 0 &&
memcmp(nfs_base_export_name, path,
nfs_base_export_name_length) == 0 &&
(path[nfs_base_export_name_length] == 0 ||
path[nfs_base_export_name_length] == '/')
? path + nfs_base_export_name_length
: nullptr;
}
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