| 1294 | ----------------------------------------------------------*/ |
| 1295 | |
| 1296 | static int check_port_capabilities(struct termios_list *index) |
| 1297 | { |
| 1298 | COMMPROP cp; |
| 1299 | DCB dcb; |
| 1300 | char message[80]; |
| 1301 | |
| 1302 | ENTER("check_port_capabilities"); |
| 1303 | /* check for capabilities */ |
| 1304 | GetCommProperties(index->hComm, &cp); |
| 1305 | |
| 1306 | if (!(cp.dwProvCapabilities & PCF_DTRDSR)) |
| 1307 | { |
| 1308 | SNPRINTF(message, sizeof(message), |
| 1309 | "%s: no DTR & DSR support\n", __func__); |
| 1310 | report(message); |
| 1311 | } |
| 1312 | |
| 1313 | if (!(cp.dwProvCapabilities & PCF_RLSD)) |
| 1314 | { |
| 1315 | SNPRINTF(message, sizeof(message), "%s: no carrier detect (RLSD) support\n", |
| 1316 | __func__); |
| 1317 | report(message); |
| 1318 | } |
| 1319 | |
| 1320 | if (!(cp.dwProvCapabilities & PCF_RTSCTS)) |
| 1321 | { |
| 1322 | SNPRINTF(message, sizeof(message), |
| 1323 | "%s: no RTS & CTS support\n", __func__); |
| 1324 | report(message); |
| 1325 | } |
| 1326 | |
| 1327 | if (!(cp.dwProvCapabilities & PCF_TOTALTIMEOUTS)) |
| 1328 | { |
| 1329 | SNPRINTF(message, sizeof(message), "%s: no timeout support\n", __func__); |
| 1330 | report(message); |
| 1331 | } |
| 1332 | |
| 1333 | if (!GetCommState(index->hComm, &dcb)) |
| 1334 | { |
| 1335 | YACK(); |
| 1336 | report("GetCommState\n"); |
| 1337 | return -1; |
| 1338 | } |
| 1339 | |
| 1340 | LEAVE("check_port_capabilities"); |
| 1341 | return 0; |
| 1342 | |
| 1343 | } |
| 1344 | |
| 1345 | /*---------------------------------------------------------- |
| 1346 | serial_open() |