tron@2186: /* $Id$ */
tron@2186: 
belugas@6125: /** @file driver.cpp */
belugas@6125: 
tron@2171: #include "stdafx.h"
tron@2171: #include "openttd.h"
tron@2210: #include "debug.h"
tron@2171: #include "driver.h"
tron@2171: #include "functions.h"
tron@2171: #include "string.h"
tron@2171: 
peter1138@7170: #include "sound/sound_driver.hpp"
peter1138@7170: #include "music/music_driver.hpp"
peter1138@7170: #include "video/video_driver.hpp"
tron@2222: 
peter1138@7170: SoundDriver *_sound_driver;
peter1138@7170: MusicDriver *_music_driver;
peter1138@7170: VideoDriver *_video_driver;
tron@2171: 
tron@2171: static const char* GetDriverParam(const char* const* parm, const char* name)
tron@2171: {
tron@2458: 	size_t len;
tron@2171: 
tron@2224: 	if (parm == NULL) return NULL;
tron@2224: 
tron@2224: 	len = strlen(name);
tron@2171: 	for (; *parm != NULL; parm++) {
tron@2171: 		const char* p = *parm;
tron@2171: 
tron@2171: 		if (strncmp(p, name, len) == 0) {
tron@2171: 			if (p[len] == '=')  return p + len + 1;
tron@2171: 			if (p[len] == '\0') return p + len;
tron@2171: 		}
tron@2171: 	}
tron@2171: 	return NULL;
tron@2171: }
tron@2171: 
tron@2171: bool GetDriverParamBool(const char* const* parm, const char* name)
tron@2171: {
tron@2171: 	return GetDriverParam(parm, name) != NULL;
tron@2171: }
tron@2171: 
tron@2171: int GetDriverParamInt(const char* const* parm, const char* name, int def)
tron@2171: {
tron@2171: 	const char* p = GetDriverParam(parm, name);
tron@2171: 	return p != NULL ? atoi(p) : def;
tron@2171: }