169 lines
3.2 KiB
C
169 lines
3.2 KiB
C
/*
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* Copyright (C) 2014 Andreas Steffen
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* HSR Hochschule fuer Technik Rapperswil
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation; either version 2 of the License, or (at your
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* option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* for more details.
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*/
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#include "imv_os_info.h"
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typedef struct private_imv_os_info_t private_imv_os_info_t;
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/**
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* Private data of an imv_os_info_t object.
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*
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*/
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struct private_imv_os_info_t {
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/**
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* Public imv_os_info_t interface.
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*/
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imv_os_info_t public;
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/**
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* OS type
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*/
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os_type_t type;
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/**
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* OS name
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*/
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chunk_t name;
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/**
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* OS version
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*/
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chunk_t version;
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/**
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* This flag allows the OS version to be empty
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*/
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bool version_is_set;
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/**
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* OS Product Information (OS Name | OS Version)
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*/
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char *info;
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};
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METHOD(imv_os_info_t, get_type, os_type_t,
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private_imv_os_info_t *this)
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{
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return this->type;
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}
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METHOD(imv_os_info_t, set_name, void,
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private_imv_os_info_t *this, chunk_t name)
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{
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/* Has the OS name already been set? */
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if (this->name.len)
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{
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if (chunk_equals(name, this->name))
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{
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return;
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}
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free(this->name.ptr);
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/* Also clear the OS info string */
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free(this->info);
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this->info = NULL;
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}
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this->name = chunk_clone(name);
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this->type = os_type_from_name(name);
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}
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METHOD(imv_os_info_t, get_name, chunk_t,
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private_imv_os_info_t *this)
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{
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return this->name;
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}
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METHOD(imv_os_info_t, set_version, void,
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private_imv_os_info_t *this, chunk_t version)
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{
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/* Has the OS version already been set? */
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if (this->version_is_set)
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{
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if (chunk_equals(version, this->version))
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{
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return;
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}
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free(this->version.ptr);
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/* Also clear the OS info string */
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free(this->info);
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this->info = NULL;
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}
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this->version = chunk_clone(version);
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this->version_is_set = TRUE;
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}
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METHOD(imv_os_info_t, get_version, chunk_t,
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private_imv_os_info_t *this)
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{
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return this->version;
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}
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METHOD(imv_os_info_t, get_info, char*,
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private_imv_os_info_t *this)
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{
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int len;
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if (!this->info)
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{
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/* Have both OS name and OS version been set? */
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if (this->name.len == 0 || !this->version_is_set)
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{
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return NULL;
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}
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/* OS info is a concatenation of OS name and OS version */
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len = this->name.len + 1 + this->version.len + 1;
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this->info = malloc(len);
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snprintf(this->info, len, "%.*s %.*s",
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(int)this->name.len, this->name.ptr,
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(int)this->version.len, this->version.ptr);
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}
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return this->info;
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}
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METHOD(imv_os_info_t, destroy, void,
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private_imv_os_info_t *this)
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{
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free(this->name.ptr);
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free(this->version.ptr);
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free(this->info);
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free(this);
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}
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/**
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* See header
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*/
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imv_os_info_t *imv_os_info_create(void)
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{
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private_imv_os_info_t *this;
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INIT(this,
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.public = {
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.get_type = _get_type,
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.set_name = _set_name,
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.get_name = _get_name,
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.set_version = _set_version,
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.get_version = _get_version,
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.get_info = _get_info,
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.destroy = _destroy,
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},
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);
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return &this->public;
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}
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