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toc.c
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toc.c
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#include <stdarg.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <math.h>
#ifndef WIN32
#include <unistd.h>
#else
#include <windows.h>
#endif
#include <zlib.h>
#include "iniparser.h"
#include "port.h"
#ifndef WIN32
typedef struct __attribute__((packed))
#else
#pragma pack(1)
typedef struct
#endif
{
unsigned char adr: 4;
unsigned char control: 4;
unsigned char tno;
unsigned char point;
unsigned char amin;
unsigned char asec;
unsigned char aframe;
unsigned char zero;
unsigned char pmin;
unsigned char psec;
unsigned char pframe;
}
tocentry;
#ifdef WIN32
#pragma pack()
#endif
unsigned char bcd(unsigned char value)
{
unsigned int i;
unsigned char result = 0;
for (i = 0; value; i++)
{
result += (value % 10) * (int)pow(16, i);
value = value / 10;
}
return result;
}
//Tinnus
void *create_toc(char *isoname, int *size)
{
FILE *f;
dictionary *ini;
tocentry *entries;
char *ccdname;
char entryname[64];
int length, count, i;
unsigned char point;
length = strlen(isoname);
ccdname = (char *)malloc((length + 1) * sizeof(char));
memset(ccdname, 0, (length + 1) * sizeof(char));
strncpy(ccdname, isoname, length);
ccdname[length - 3] = 'c';
ccdname[length - 2] = 'c';
ccdname[length - 1] = 'd';
printf("Checking if %s exists...\n", ccdname);
f = fopen(ccdname, "rb");
if (f == NULL)
{
free(ccdname);
return NULL;
}
fclose(f);
printf(" Using %s for toc\n", ccdname);
ini = iniparser_load(ccdname);
count = iniparser_getint(ini, "Disc:TocEntries", -1);
if (count == -1)
{
printf("Failed to get TOC count from CCD, are you sure it's a valid CCD file?\n");
return NULL;
}
entries = (tocentry *)malloc(sizeof(tocentry) * count);
for (i = 0; i < count; i++)
{
snprintf(entryname, 64, "Entry %d:Control", i);
entries[i].control = iniparser_getint(ini, entryname, -1) & 0xF;
snprintf(entryname, 64, "Entry %d:ADR", i);
entries[i].adr = iniparser_getint(ini, entryname, -1) & 0xF;
snprintf(entryname, 64, "Entry %d:TrackNo", i);
entries[i].tno = iniparser_getint(ini, entryname, -1);
snprintf(entryname, 64, "Entry %d:Point", i);
point = (unsigned char)iniparser_getint(ini, entryname, -1);
if (point > 0x99)
{
entries[i].point = point;
}
else
{
entries[i].point = bcd(point);
}
snprintf(entryname, 64, "Entry %d:AMin", i);
entries[i].amin = bcd ((unsigned char)iniparser_getint(ini, entryname, -1));
snprintf(entryname, 64, "Entry %d:ASec", i);
entries[i].asec = bcd ((unsigned char)iniparser_getint(ini, entryname, -1));
snprintf(entryname, 64, "Entry %d:AFrame", i);
entries[i].aframe = bcd ((unsigned char)iniparser_getint(ini, entryname, -1));
snprintf(entryname, 64, "Entry %d:Zero", i);
entries[i].zero = (unsigned char)iniparser_getint(ini, entryname, -1);
snprintf(entryname, 64, "Entry %d:PMin", i);
entries[i].pmin = bcd ((unsigned char)iniparser_getint(ini, entryname, -1));
snprintf(entryname, 64, "Entry %d:PSec", i);
entries[i].psec = (unsigned char)iniparser_getint(ini, entryname, -1);
if (point != 0xA0)
{
entries[i].psec = bcd(entries[i].psec);
}
snprintf(entryname, 64, "Entry %d:PFrame", i);
entries[i].pframe = bcd ((unsigned char)iniparser_getint(ini, entryname, -1));
}
(*size) = sizeof(tocentry) * count;
free(ccdname);
iniparser_freedict(ini);
return entries;
}