274     std::ifstream fin(src);  in CopyFile()  local
276     if (!fin.is_open()) {  in CopyFile()
282     fout << fin.rdbuf();  in CopyFile()
295 bool GetLastLine(std::istream &fin, std::string &line, uint32_t maxLen)  in GetLastLine()  argument
297     if (fin.tellg() <= 0) {  in GetLastLine()
300         fin.seekg(-1, fin.cur);  in GetLastLine()
303     while (fin.good() && fin.peek() == fin.widen('\n') && fin.tellg() > 0 && count < maxLen) {  in GetLastLine()
304         fin.seekg(-1, fin.cur);  in GetLastLine()
307     if (!fin.good() || count >= maxLen) {  in GetLastLine()
310     if (fin.tellg() == 0) {  in GetLastLine()
314     while (fin.good() && fin.peek() != fin.widen('\n') && fin.tellg() > 0 && count < maxLen) {  in GetLastLine()
315         fin.seekg(-1, fin.cur);  in GetLastLine()
318     if (!fin.good() || count >= maxLen) {  in GetLastLine()
321     if (fin.tellg() != 0) {  in GetLastLine()
322         fin.seekg(1, fin.cur);  in GetLastLine()
324     auto oldPos = fin.tellg();  in GetLastLine()
325     getline(fin, line);  in GetLastLine()
326     fin.seekg(oldPos);  in GetLastLine()