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#include <revolution.h>
#include <revolution/dvd.h>
#include <cstring>
#include "__dvd.h"
static u32 strnlen(const char* str, u32 maxlen) {
u32 i;
for (i = 0; i < maxlen; i++) {
if (*str++ == 0) {
return i;
}
}
return maxlen;
}
int DVDCompareDiskID(const DVDDiskID* id1, const DVDDiskID* id2) {
#if DEBUG
const char* game1;
const char* game2;
const char* company1;
const char* company2;
u8 diskNum1;
u8 diskNum2;
u8 version1;
u8 version2;
u32 length;
ASSERTMSGLINE(70, id1, "DVDCompareDiskID(): Specified id1 is NULL\n");
ASSERTMSGLINE(71, id2, "DVDCompareDiskID(): Specified id2 is NULL\n");
game1 = id1->gameName;
game2 = id2->gameName;
company1 = id1->company;
company2 = id2->company;
diskNum1 = id1->diskNumber;
diskNum2 = id2->diskNumber;
version1 = id1->gameVersion;
version2 = id2->gameVersion;
length = strnlen(game1, sizeof(game1));
ASSERTMSGLINE(84, length == 0 || length == 4, "DVDCompareDiskID(): Specified game name for id1 is neither NULL nor 4 character long\n");
ASSERTMSGLINE(85, company1, "DVDCompareDiskID(): Specified company name for id1 is NULL\n");
ASSERTMSGLINE(86, company1[1] != 0, "DVDCompareDiskID(): Specified company name for id1 is not 2 character long\n");
ASSERTMSGLINE(87, diskNum1 == 0xFF || ((diskNum1 / 16) < 10 && diskNum1 % 16 < 10), "DVDCompareDiskID(): Specified disk number for id1 is neither 0xff nor a BCD number");
ASSERTMSGLINE(88, version1 == 0xFF || ((version1 / 16) < 10 && version1 % 16 < 10), "DVDCompareDiskID(): Specified version number for id1 is neither 0xff nor a BCD number");
length = strnlen(game2, sizeof(game2));
ASSERTMSGLINE(91, length == 0 || length == 4, "DVDCompareDiskID(): Specified game name for id2 is neither NULL nor 4 character long\n");
ASSERTMSGLINE(92, company2, "DVDCompareDiskID(): Specified company name for id2 is NULL\n");
ASSERTMSGLINE(93, company2[1] != 0, "DVDCompareDiskID(): Specified company name for id2 is not 2 character long\n");
ASSERTMSGLINE(94, diskNum2 == 0xFF || ((diskNum2 / 16) < 10 && diskNum2 % 16 < 10), "DVDCompareDiskID(): Specified disk number for id2 is neither 0xff nor a BCD number");
ASSERTMSGLINE(95, version2 == 0xFF || ((version2 / 16) < 10 && version2 % 16 < 10), "DVDCompareDiskID(): Specified version number for id2 is neither 0xff nor a BCD number");
#endif
if (id1->gameName[0] != 0 && id2->gameName[0] != 0 && strncmp(id1->gameName, id2->gameName, 4) != 0) {
return 0;
}
if (id1->company[0] == 0 || id2->company[0] == 0 || strncmp(id1->company, id2->company, 2) != 0) {
return 0;
}
if (id1->diskNumber != 0xFF && id2->diskNumber != 0xFF && id1->diskNumber != id2->diskNumber) {
return 0;
}
if (id1->gameVersion != 0xFF && id2->gameVersion != 0xFF && id1->gameVersion != id2->gameVersion) {
return 0;
}
return 1;
}
DVDDiskID* DVDGenerateDiskID(DVDDiskID* id, const char* game, const char* company, u8 diskNum, u8 version) {
ASSERTMSGLINE(123, id, "DVDGenerateDiskID(): Specified id is NULL\n");
ASSERTMSGLINE(124, game == NULL || strlen(game) == 4, "DVDGenerateDiskID(): Specified game name is neither NULL nor 4 character long\n");
ASSERTMSGLINE(125, company, "DVDGenerateDiskID(): Specified company name is NULL\n");
ASSERTMSGLINE(126, strlen(company) == 2, "DVDGenerateDiskID(): Specified company name is not 2 character long\n");
ASSERTMSGLINE(127, diskNum == 0xFF || ((diskNum / 16) < 10 && diskNum % 16 < 10), "DVDGenerateDiskID(): Specified disk number is neither 0xff nor a BCD number");
ASSERTMSGLINE(128, version == 0xFF || ((version / 16) < 10 && version % 16 < 10), "DVDGenerateDiskID(): Specified version number is neither 0xff nor a BCD number");
memset(id, 0, sizeof(DVDDiskID));
if (game != NULL) {
strncpy(id->gameName, game, 4);
}
if (company != NULL) {
strncpy(id->company, company, 2);
}
id->diskNumber = diskNum;
id->gameVersion = version;
return id;
}
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