44     IOFile(const char* s, const char* mode) : fp(0) {  in IOFile()
45         fp = ::fopen(s, mode);  in IOFile()
46         if(!fp) {  in IOFile()
52                 if(fp) {  in read()
53                     return ::fread(&r, sizeof(T), elem, fp);  in read()
58         if(fp) {  in write()
59             return ::fprintf(fp, s, val);  in write()
63     bool valid() const { return fp != 0; }  in valid()
65         if(fp) ::fclose(fp);  in ~IOFile()
66         fp=0;  in ~IOFile()
68     FILE* fp;  member
328     IOFile fp(Res::edid3dInfoFile, "r");  in is3DTV()  local
329     (void)fp.read(is3DTV, 1);  in is3DTV()
358     IOFile fp(Res::format3DFile, "wb");  in send3DInfoPacket()  local
359     (void)fp.write("%d", format3D);  in send3DInfoPacket()
360     if(!fp.valid()) {  in send3DInfoPacket()
368     IOFile fp(Res::barrierFile, "wb");  in enableBarrier()  local
369     (void)fp.write("%d", orientation);  in enableBarrier()
370     if(!fp.valid()) {  in enableBarrier()