OpenTTD-patches/src/driver.cpp

47 lines
948 B
C++

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