mirror of
https://github.com/wiidev/usbloadergx.git
synced 2024-09-09 17:13:20 +02:00
253 lines
5.7 KiB
C++
253 lines
5.7 KiB
C++
/*
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* gct.h
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* Class to handle Ocarina TXT Cheatfiles
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* nIxx
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*/
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#include <iostream>
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#include <fstream>
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#include "gct.h"
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#define ERRORRANGE "Error: CheatNr out of range"
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GCTCheats::GCTCheats(void) {
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iCntCheats = 0;
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}
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GCTCheats::~GCTCheats(void) {
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string sGameID ="";
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string sGameTitle = "";
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/*string sCheatName[MAXCHEATS];
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string sCheats[MAXCHEATS];
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string sCheatComment[MAXCHEATS];*/
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}
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int GCTCheats::getCnt() {
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return iCntCheats;
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}
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string GCTCheats::getGameName(void) {
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return sGameTitle;
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}
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string GCTCheats::getGameID(void) {
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return sGameID;
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}
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string GCTCheats::getCheat(int nr) {
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if (nr <= (iCntCheats-1)) {
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return sCheats[nr];
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} else {
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return ERRORRANGE;
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}
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}
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string GCTCheats::getCheatName(int nr) {
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if (nr <= (iCntCheats-1)) {
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return sCheatName[nr];
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} else {
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return ERRORRANGE;
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}
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}
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string GCTCheats::getCheatComment(int nr) {
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if (nr <= (iCntCheats-1)) {
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return sCheatComment[nr];
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} else {
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return ERRORRANGE;
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}
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}
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int GCTCheats::createGCT(int nr,const char * filename) {
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if (nr == 0)
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return 0;
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ofstream filestr;
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filestr.open(filename);
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if (filestr.fail())
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return 0;
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//Header and Footer
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char header[] = { 0x00, 0xd0, 0xc0, 0xde, 0x00, 0xd0, 0xc0, 0xde};
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char footer[] = { 0xF0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
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string buf = getCheat(nr);
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filestr.write(header,sizeof(header));
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int x = 0;
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long int li;
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int len = buf.size();
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while (x < len) {
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string temp = buf.substr(x,2);
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li = strtol(temp.c_str(),NULL,16);
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temp = li;
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filestr.write(temp.c_str(),1);
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x +=2;
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}
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filestr.write(footer,sizeof(footer));
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filestr.close();
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return 1;
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}
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int GCTCheats::createGCT(const char * chtbuffer,const char * filename) {
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ofstream filestr;
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filestr.open(filename);
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if (filestr.fail())
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return 0;
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//Header and Footer
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char header[] = { 0x00, 0xd0, 0xc0, 0xde, 0x00, 0xd0, 0xc0, 0xde};
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char footer[] = { 0xF0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
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string buf = chtbuffer;
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filestr.write(header,sizeof(header));
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int x = 0;
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long int li;
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int len = buf.size();
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while (x < len) {
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string temp = buf.substr(x,2);
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li = strtol(temp.c_str(),NULL,16);
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temp = li;
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filestr.write(temp.c_str(),1);
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x +=2;
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}
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filestr.write(footer,sizeof(footer));
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filestr.close();
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return 1;
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}
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int GCTCheats::createGCT(int nr[],int cnt,const char * filename) {
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if (cnt == 0)
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return 0;
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ofstream filestr;
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filestr.open(filename);
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if (filestr.fail())
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return 0;
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//Header and Footer
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char header[] = { 0x00, 0xd0, 0xc0, 0xde, 0x00, 0xd0, 0xc0, 0xde};
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char footer[] = { 0xF0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
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filestr.write(header,sizeof(header));
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int c = 0;
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while (c != cnt) {
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int actnr = nr[c];
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string buf = getCheat(actnr);
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long int li;
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int len = buf.size();
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int x = 0;
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while (x < len) {
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string temp = buf.substr(x,2);
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li = strtol(temp.c_str(),NULL,16);
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temp = li;
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filestr.write(temp.c_str(),1);
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x +=2;
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}
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c++;
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}
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filestr.write(footer,sizeof(footer));
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filestr.close();
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return 1;
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}
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int GCTCheats::openTxtfile(const char * filename) {
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ifstream filestr;
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int i = 0;
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string str;
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filestr.open(filename);
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if (filestr.fail())
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return 0;
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filestr.seekg(0,ios_base::end);
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int size = filestr.tellg();
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if (size <= 0) return -1;
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filestr.seekg(0,ios_base::beg);
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getline(filestr,sGameID);
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if (sGameID[sGameID.length() - 1] == '\r')
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sGameID.erase(sGameID.length() - 1);
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getline(filestr,sGameTitle);
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if (sGameTitle[sGameTitle.length() - 1] == '\r')
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sGameTitle.erase(sGameTitle.length() - 1);
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getline(filestr,sCheatName[i]); // skip first line if file uses CRLF
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if (!sGameTitle[sGameTitle.length() - 1] == '\r')
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filestr.seekg(0,ios_base::beg);
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while (!filestr.eof()) {
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getline(filestr,sCheatName[i]); // '\n' delimiter by default
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if (sCheatName[i][sCheatName[i].length() - 1] == '\r')
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sCheatName[i].erase(sCheatName[i].length() - 1);
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string cheatdata;
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bool emptyline = false;
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do {
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getline(filestr,str);
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if (str[str.length() - 1] == '\r')
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str.erase(str.length() - 1);
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if (str == "" || str[0] == '\r' || str[0] == '\n') {
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emptyline = true;
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break;
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}
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if (IsCode(str)) {
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// remove any garbage (comment) after code
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while (str.size() > 17) {
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str.erase(str.length() - 1);
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}
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cheatdata.append(str);
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size_t found=cheatdata.find(' ');
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cheatdata.replace(found,1,"");
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} else {
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//printf("%i",str.size());
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sCheatComment[i] = str;
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}
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if (filestr.eof()) break;
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} while (!emptyline);
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sCheats[i] = cheatdata;
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i++;
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if (i == MAXCHEATS) break;
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}
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iCntCheats = i;
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filestr.close();
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return 1;
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}
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bool GCTCheats::IsCode(const std::string& str) {
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if (str[8] == ' ' && str.size() >= 17) {
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// accept strings longer than 17 in case there is a comment on the same line as the code
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char part1[9];
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char part2[9];
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snprintf(part1,sizeof(part1),"%c%c%c%c%c%c%c%c",str[0],str[1],str[2],str[3],str[4],str[5],str[6],str[7]);
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snprintf(part1,sizeof(part2),"%c%c%c%c%c%c%c%c",str[9],str[10],str[11],str[12],str[13],str[14],str[15],str[16]);
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if ((strtok(part1,"0123456789ABCDEFabcdef") == NULL) && (strtok(part2,"0123456789ABCDEFabcdef") == NULL)) {
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return true;
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}
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}
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return false;
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}
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