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LagoLunatic
96 lines
4.0 KiB
C
96 lines
4.0 KiB
C
#include "dolphin/dvd/dvdidutils.h"
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#include "dolphin/os/OS.h"
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static u32 strnlen(const char* str, u32 maxlen) {
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u32 i;
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for (i = 0; i < maxlen; i++) {
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if (*str++ == 0) {
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return i;
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}
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}
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return maxlen;
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}
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int DVDCompareDiskID(DVDDiskID* id1, DVDDiskID* id2) {
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#ifdef DEBUG
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const char* game1;
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const char* game2;
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const char* company1;
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const char* company2;
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u8 diskNum1;
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u8 diskNum2;
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u8 version1;
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u8 version2;
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u32 length;
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ASSERTMSGLINE(64, id1, "DVDCompareDiskID(): Specified id1 is NULL\n");
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ASSERTMSGLINE(65, id2, "DVDCompareDiskID(): Specified id2 is NULL\n");
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game1 = id1->game_name;
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game2 = id2->game_name;
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company1 = id1->company;
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company2 = id2->company;
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diskNum1 = id1->disk_number;
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diskNum2 = id2->disk_number;
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version1 = id1->game_version;
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version2 = id2->game_version;
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length = strnlen(game1, sizeof(game1));
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ASSERTMSGLINE(78, length == 0 || length == 4, "DVDCompareDiskID(): Specified game name for id1 is neither NULL nor 4 character long\n");
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ASSERTMSGLINE(79, company1, "DVDCompareDiskID(): Specified company name for id1 is NULL\n");
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ASSERTMSGLINE(80, company1[1] != 0, "DVDCompareDiskID(): Specified company name for id1 is not 2 character long\n");
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ASSERTMSGLINE(81, diskNum1 == 0xFF || ((diskNum1 / 16) < 10 && diskNum1 % 16 < 10), "DVDCompareDiskID(): Specified disk number for id1 is neither 0xff nor a BCD number");
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ASSERTMSGLINE(82, version1 == 0xFF || ((version1 / 16) < 10 && version1 % 16 < 10), "DVDCompareDiskID(): Specified version number for id1 is neither 0xff nor a BCD number");
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length = strnlen(game2, sizeof(game2));
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ASSERTMSGLINE(85, length == 0 || length == 4, "DVDCompareDiskID(): Specified game name for id2 is neither NULL nor 4 character long\n");
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ASSERTMSGLINE(86, company2, "DVDCompareDiskID(): Specified company name for id2 is NULL\n");
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ASSERTMSGLINE(87, company2[1] != 0, "DVDCompareDiskID(): Specified company name for id2 is not 2 character long\n");
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ASSERTMSGLINE(88, diskNum2 == 0xFF || ((diskNum2 / 16) < 10 && diskNum2 % 16 < 10), "DVDCompareDiskID(): Specified disk number for id2 is neither 0xff nor a BCD number");
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ASSERTMSGLINE(89, version2 == 0xFF || ((version2 / 16) < 10 && version2 % 16 < 10), "DVDCompareDiskID(): Specified version number for id2 is neither 0xff nor a BCD number");
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#endif
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if (id1->game_name[0] != 0 && id2->game_name[0] != 0 && strncmp(id1->game_name, id2->game_name, 4) != 0) {
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return 0;
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}
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if (id1->company[0] == 0 || id2->company[0] == 0 || strncmp(id1->company, id2->company, 2) != 0) {
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return 0;
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}
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if (id1->disk_number != 0xFF && id2->disk_number != 0xFF && id1->disk_number != id2->disk_number) {
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return 0;
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}
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if (id1->game_version != 0xFF && id2->game_version != 0xFF && id1->game_version != id2->game_version) {
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return 0;
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}
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return 1;
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}
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DVDDiskID* DVDGenerateDiskID(DVDDiskID* id, const char* game, const char* company, u8 diskNum, u8 version) {
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ASSERTMSGLINE(123, id, "DVDGenerateDiskID(): Specified id is NULL\n");
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ASSERTMSGLINE(124, game == NULL || strlen(game) == 4, "DVDGenerateDiskID(): Specified game name is neither NULL nor 4 character long\n");
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ASSERTMSGLINE(125, company, "DVDGenerateDiskID(): Specified company name is NULL\n");
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ASSERTMSGLINE(126, strlen(company) == 2, "DVDGenerateDiskID(): Specified company name is not 2 character long\n");
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ASSERTMSGLINE(127, diskNum == 0xFF || ((diskNum / 16) < 10 && diskNum % 16 < 10), "DVDGenerateDiskID(): Specified disk number is neither 0xff nor a BCD number");
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ASSERTMSGLINE(128, version == 0xFF || ((version / 16) < 10 && version % 16 < 10), "DVDGenerateDiskID(): Specified version number is neither 0xff nor a BCD number");
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memset(id, 0, sizeof(DVDDiskID));
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if (game != NULL) {
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strncpy(id->game_name, game, 4);
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}
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if (company != NULL) {
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strncpy(id->company, company, 2);
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}
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id->disk_number = diskNum;
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id->game_version = version;
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return id;
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}
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