// for finding memory leaks in debug mode with Visual Studio #if defined _DEBUG && defined _MSC_VER#include <crtdbg.h>#endif #include <stdio.h>#include <stdlib.h>#include <stdint.h>#include <stdbool.h>#include <string.h>#include <ctype.h>#ifndef _WIN32#include <unistd.h>#include <limits.h>#endif#include "pt2_helpers.h"#include "pt2_config.h"#include "pt2_tables.h"#include "pt2_sampler.h"#include "pt2_diskop.h" // changePathToDesktop(), changePathToHome()#include "pt2_visuals.h" // MAX_UPSCALE_FACTOR #ifndef _WIN32static char oldCwd[PATH_MAX];#endif config_t config; // globalized static bool loadProTrackerDotIni(FILE *f);static FILE *openPTDotConfig(void);static bool loadPTDotConfig(FILE *f);static bool loadColorsDotIni(void); void loadConfig(void){#ifndef _WIN32	bool colorsDotIniFound;#endif	FILE *f; 	// set default config values first	config.noDownsampleOnSmpLoad = false;	config.disableE8xEffect = false;	config.fullScreenStretch = false;	config.pattDots = false;	config.waveformCenterLine = true;	config.amigaModel = MODEL_A1200;	config.soundFrequency = 44100;	config.rememberPlayMode = false;	config.stereoSeparation = 20;	config.autoFitVideoScale = true;	config.videoScaleFactor = 0; // will be set later if autoFitVideoScale is set	config.realVuMeters = false;	config.modDot = false;	config.accidental = 0; // sharp	config.quantizeValue = 1;	config.transDel = false;	config.blankZeroFlag = false;	config.compoMode = false;	config.soundBufferSize = 1024;	config.autoCloseDiskOp = true;	config.vsyncOff = false;	config.hwMouse = true;	config.startInFullscreen = false;	config.pixelFilter = PIXELFILTER_NEAREST;	config.integerScaling = true;	config.audioInputFrequency = 44100;	config.mod2WavOutputFreq = 44100;	config.keepEditModeAfterStepPlay = false;	config.maxSampleLength = 65534; #ifndef _WIN32	getcwd(oldCwd, PATH_MAX);#endif 	// load protracker.ini	bool proTrackerDotIniFound = false; #ifdef _WIN32	f = fopen("protracker.ini", "r");	if (f != NULL)		proTrackerDotIniFound = true;#else	// check in program directory	f = fopen("protracker.ini", "r");	if (f != NULL)		proTrackerDotIniFound = true; 	// check in ~/.protracker/	if (!proTrackerDotIniFound && changePathToHome() && chdir(".protracker") == 0)	{		f = fopen("protracker.ini", "r");		if (f != NULL)			proTrackerDotIniFound = true;	} 	chdir(oldCwd);#endif 	if (proTrackerDotIniFound)		loadProTrackerDotIni(f); 	editor.oldTempo = editor.initialTempo; 	// load PT.Config (if available)	bool ptDotConfigFound = false; #ifdef _WIN32	f = openPTDotConfig();	if (f != NULL)		ptDotConfigFound = true;#else	// check in program directory	f = openPTDotConfig();	if (f != NULL)		ptDotConfigFound = true; 	// check in ~/.protracker/	if (!ptDotConfigFound && changePathToHome() && chdir(".protracker") == 0)	{		f = openPTDotConfig();		if (f != NULL)			ptDotConfigFound = true;	} 	chdir(oldCwd);#endif 	if (ptDotConfigFound)		loadPTDotConfig(f); 	if (proTrackerDotIniFound || ptDotConfigFound)		editor.configFound = true; 	// load colors.ini (if available)#ifdef _WIN32	loadColorsDotIni();#else	// check in program directory	colorsDotIniFound = loadColorsDotIni(); 	// check in ~/.protracker/	if (!colorsDotIniFound && changePathToHome() && chdir(".protracker") == 0)		loadColorsDotIni();#endif #ifndef _WIN32	chdir(oldCwd);#endif 	// use palette for generating sample data mark (invert) table	createSampleMarkTable();} static bool loadProTrackerDotIni(FILE *f){	fseek(f, 0, SEEK_END);	uint32_t configFileSize = ftell(f);	rewind(f); 	char *configBuffer = (char *)malloc(configFileSize + 1);	if (configBuffer == NULL)	{		fclose(f);		showErrorMsgBox("Couldn't parse protracker.ini: Out of memory!");		return false;	} 	fread(configBuffer, 1, configFileSize, f);	configBuffer[configFileSize] = '\0';	fclose(f); 	char *configLine = strtok(configBuffer, "\n");	while (configLine != NULL)	{		uint32_t lineLen = (uint32_t)strlen(configLine); 		// remove CR in CRLF linefeed (if present)		if (lineLen > 1)		{			if (configLine[lineLen-1] == '\r')			{				configLine[lineLen-1] = '\0';				lineLen--;			}		} 		// COMMENT OR CATEGORY		if (*configLine == ';' || *configLine == '[')		{			configLine = strtok(NULL, "\n");			continue;		} 		// STEPPLAY_KEEP_EDITMODE		else if (!_strnicmp(configLine, "STEPPLAY_KEEP_EDITMODE=", 23))		{			if (!_strnicmp(&configLine[23], "TRUE", 4))				config.keepEditModeAfterStepPlay = true;			else if (!_strnicmp(&configLine[23], "FALSE", 5))				config.keepEditModeAfterStepPlay = false;		} 		// 64K_LIMIT		else if (!_strnicmp(configLine, "64K_LIMIT=", 10))		{			if (!_strnicmp(&configLine[10], "TRUE", 4))				config.maxSampleLength = 65534;			else if (!_strnicmp(&configLine[10], "FALSE", 5))				config.maxSampleLength = 131070;		} 		// NO_DWNSMP_ON_SMP_LOAD (no dialog for 2x downsample after >22kHz sample load)		else if (!_strnicmp(configLine, "NO_DWNSMP_ON_SMP_LOAD=", 22))		{			if (!_strnicmp(&configLine[22], "TRUE", 4)) config.noDownsampleOnSmpLoad = true;			else if (!_strnicmp(&configLine[22], "FALSE", 5)) config.noDownsampleOnSmpLoad = false;		} 		// DISABLE_E8X (Karplus-Strong command)		else if (!_strnicmp(configLine, "DISABLE_E8X=", 12))		{			     if (!_strnicmp(&configLine[12], "TRUE",  4)) config.disableE8xEffect = true;			else if (!_strnicmp(&configLine[12], "FALSE", 5)) config.disableE8xEffect = false;		} 		// HWMOUSE		else if (!_strnicmp(configLine, "HWMOUSE=", 8))		{			     if (!_strnicmp(&configLine[8], "TRUE",  4)) config.hwMouse = true;			else if (!_strnicmp(&configLine[8], "FALSE", 5)) config.hwMouse = false;		} 		// VSYNCOFF		else if (!_strnicmp(configLine, "VSYNCOFF=", 9))		{			     if (!_strnicmp(&configLine[9], "TRUE",  4)) config.vsyncOff = true;			else if (!_strnicmp(&configLine[9], "FALSE", 5)) config.vsyncOff = false;		} 		// INTEGERSCALING		else if (!_strnicmp(configLine, "INTEGERSCALING=", 15))		{			     if (!_strnicmp(&configLine[15], "TRUE",  4)) config.integerScaling = true;			else if (!_strnicmp(&configLine[15], "FALSE", 5)) config.integerScaling = false;		} 		// FULLSCREENSTRETCH		else if (!_strnicmp(configLine, "FULLSCREENSTRETCH=", 18))		{			     if (!_strnicmp(&configLine[18], "TRUE",  4)) config.fullScreenStretch = true;			else if (!_strnicmp(&configLine[18], "FALSE", 5)) config.fullScreenStretch = false;		} 		// HIDEDISKOPDATES		else if (!_strnicmp(configLine, "HIDEDISKOPDATES=", 16))		{			     if (!_strnicmp(&configLine[16], "TRUE",  4)) config.hideDiskOpDates = true;			else if (!_strnicmp(&configLine[16], "FALSE", 5)) config.hideDiskOpDates = false;		} 		// AUTOCLOSEDISKOP		else if (!_strnicmp(configLine, "AUTOCLOSEDISKOP=", 16))		{			     if (!_strnicmp(&configLine[16], "TRUE",  4)) config.autoCloseDiskOp = true;			else if (!_strnicmp(&configLine[16], "FALSE", 5)) config.autoCloseDiskOp = false;		} 		// FULLSCREEN		else if (!_strnicmp(configLine, "FULLSCREEN=", 11))		{			     if (!_strnicmp(&configLine[11], "TRUE",  4)) config.startInFullscreen = true;			else if (!_strnicmp(&configLine[11], "FALSE", 5)) config.startInFullscreen = false;		} 		// PIXELFILTER		else if (!_strnicmp(configLine, "PIXELFILTER=", 12))		{			     if (!_strnicmp(&configLine[12], "NEAREST", 7)) config.pixelFilter = PIXELFILTER_NEAREST;			else if (!_strnicmp(&configLine[12], "LINEAR", 6)) config.pixelFilter = PIXELFILTER_LINEAR;			else if (!_strnicmp(&configLine[12], "BEST", 4)) config.pixelFilter = PIXELFILTER_BEST;		} 		// COMPOMODE		else if (!_strnicmp(configLine, "COMPOMODE=", 10))		{			     if (!_strnicmp(&configLine[10], "TRUE",  4)) config.compoMode = true;			else if (!_strnicmp(&configLine[10], "FALSE", 5)) config.compoMode = false;		} 		// PATTDOTS		else if (!_strnicmp(configLine, "PATTDOTS=", 9))		{			     if (!_strnicmp(&configLine[9], "TRUE",  4)) config.pattDots = true;			else if (!_strnicmp(&configLine[9], "FALSE", 5)) config.pattDots = false;		} 		// BLANKZERO		else if (!_strnicmp(configLine, "BLANKZERO=", 10))		{			     if (!_strnicmp(&configLine[10], "TRUE",  4)) config.blankZeroFlag = true;			else if (!_strnicmp(&configLine[10], "FALSE", 5)) config.blankZeroFlag = false;		} 		// REALVUMETERS		else if (!_strnicmp(configLine, "REALVUMETERS=", 13))		{			     if (!_strnicmp(&configLine[13], "TRUE",  4)) config.realVuMeters = true;			else if (!_strnicmp(&configLine[13], "FALSE", 5)) config.realVuMeters = false;		} 		// ACCIDENTAL		else if (!_strnicmp(configLine, "ACCIDENTAL=", 11))		{			     if (!_strnicmp(&configLine[11], "SHARP", 4)) config.accidental = 0;			else if (!_strnicmp(&configLine[11], "FLAT",  5)) config.accidental = 1;		} 		// QUANTIZE		else if (!_strnicmp(configLine, "QUANTIZE=", 9))		{			if (configLine[9] != '\0')			{				const int32_t num = atoi(&configLine[9]);				config.quantizeValue = (int16_t)(CLAMP(num, 0, 63));			}		} 		// TRANSDEL		else if (!_strnicmp(configLine, "TRANSDEL=", 9))		{			     if (!_strnicmp(&configLine[9], "TRUE",  4)) config.transDel = true;			else if (!_strnicmp(&configLine[9], "FALSE", 5)) config.transDel = false;		} 		// DOTTEDCENTER		else if (!_strnicmp(configLine, "DOTTEDCENTER=", 13))		{			     if (!_strnicmp(&configLine[13], "TRUE",  4)) config.waveformCenterLine = true;			else if (!_strnicmp(&configLine[13], "FALSE", 5)) config.waveformCenterLine = false;		} 		// MODDOT		else if (!_strnicmp(configLine, "MODDOT=", 7))		{			     if (!_strnicmp(&configLine[7], "TRUE",  4)) config.modDot = true;			else if (!_strnicmp(&configLine[7], "FALSE", 5)) config.modDot = false;		} 		// VIDEOSCALE		else if (!_strnicmp(configLine, "VIDEOSCALE=", 11))		{			if (!_strnicmp(&configLine[11], "AUTO", 4))			{				config.autoFitVideoScale = true;				config.videoScaleFactor = 0; // will be set later			}			else if (lineLen >= 13 && toupper(configLine[12]) == 'X' && isdigit(configLine[11]))			{				config.autoFitVideoScale = false;				config.videoScaleFactor = (int8_t)(configLine[11] - '0');				config.videoScaleFactor = CLAMP(config.videoScaleFactor, 1, MAX_UPSCALE_FACTOR);			}		} 		// REMEMBERPLAYMODE		else if (!_strnicmp(configLine, "REMEMBERPLAYMODE=", 17))		{			     if (!_strnicmp(&configLine[17], "TRUE",  4)) config.rememberPlayMode = true;			else if (!_strnicmp(&configLine[17], "FALSE", 5)) config.rememberPlayMode = false;		} 		// DEFAULTDIR		else if (!_strnicmp(configLine, "DEFAULTDIR=", 11))		{			if (lineLen > 11)			{				uint32_t i = 11;				while (configLine[i] == ' ') i++; // remove spaces before string (if present)				while (configLine[lineLen-1] == ' ') lineLen--; // remove spaces after string (if present) 				lineLen -= i;				if (lineLen > 0)					strncpy(config.defModulesDir, &configLine[i], (lineLen > PATH_MAX) ? PATH_MAX : lineLen);			}		} 		// DEFAULTSMPDIR		else if (!_strnicmp(configLine, "DEFAULTSMPDIR=", 14))		{			if (lineLen > 14)			{				uint32_t i = 14;				while (configLine[i] == ' ') i++; // remove spaces before string (if present)				while (configLine[lineLen-1] == ' ') lineLen--; // remove spaces after string (if present) 				lineLen -= i;				if (lineLen > 0)					strncpy(config.defSamplesDir, &configLine[i], (lineLen > PATH_MAX) ? PATH_MAX : lineLen);			}		} 		// FILTERMODEL		else if (!_strnicmp(configLine, "FILTERMODEL=", 12))		{			     if (!_strnicmp(&configLine[12], "A500",  4)) config.amigaModel = MODEL_A500;			else if (!_strnicmp(&configLine[12], "A1200", 5)) config.amigaModel = MODEL_A1200;		} 		// A500LOWPASSFILTER (deprecated, same as A4000LOWPASSFILTER)		else if (!_strnicmp(configLine, "A500LOWPASSFILTER=", 18))		{			     if (!_strnicmp(&configLine[18], "TRUE",  4)) config.amigaModel = MODEL_A500;			else if (!_strnicmp(&configLine[18], "FALSE", 5)) config.amigaModel = MODEL_A1200;		} 		// SAMPLINGFREQ		else if (!_strnicmp(configLine, "SAMPLINGFREQ=", 13))		{			if (configLine[10] != '\0')			{				const int32_t num = atoi(&configLine[13]);				config.audioInputFrequency = CLAMP(num, 44100, 192000);			}		} 		// MOD2WAVFREQUENCY		else if (!_strnicmp(configLine, "MOD2WAVFREQUENCY=", 17))		{			if (configLine[17] != '\0')			{				const int32_t num = atoi(&configLine[17]);				config.mod2WavOutputFreq = CLAMP(num, 44100, 192000);			}		} 		// FREQUENCY		else if (!_strnicmp(configLine, "FREQUENCY=", 10))		{			if (configLine[10] != '\0')			{				const int32_t num = atoi(&configLine[10]);				config.soundFrequency = CLAMP(num, 44100, 192000);			}		} 		// BUFFERSIZE		else if (!_strnicmp(configLine, "BUFFERSIZE=", 11))		{			if (configLine[11] != '\0')			{				const int32_t num = atoi(&configLine[11]);				config.soundBufferSize = CLAMP(num, 128, 8192);			}		} 		// STEREOSEPARATION		else if (!_strnicmp(configLine, "STEREOSEPARATION=", 17))		{			if (configLine[17] != '\0')			{				const int32_t num = atoi(&configLine[17]);				config.stereoSeparation = (int8_t)(CLAMP(num, 0, 100));			}		} 		configLine = strtok(NULL, "\n");	} 	free(configBuffer);	return true;} static FILE *openPTDotConfig(void){	FILE *f = fopen("PT.Config", "rb"); // PT didn't read PT.Config with no number, but let's support it	if (f == NULL)	{		// try regular PT config filenames (PT.Config-xx)		char tmpFilename[16];		int32_t i; 		for (i = 0; i < 100; i++)		{			sprintf(tmpFilename, "PT.Config-%02d", i); 			f = fopen(tmpFilename, "rb");			if (f != NULL)				break;		} 		if (i == 100)			return NULL;	} 	return f;} static bool loadPTDotConfig(FILE *f){

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