ntdll: Fixed getting the RTS status from line, and now using sane default values…

dlls/ntdll/serial.c

@@ -188,24 +188,29 @@ static NTSTATUS get_baud_rate(int fd, SERIAL_BAUD_RATE* sbr)
 
 static NTSTATUS get_hand_flow(int fd, SERIAL_HANDFLOW* shf)
 {
-    int stat;
+    int stat = 0;
     struct termios port;
-    
+
     if (tcgetattr(fd, &port) == -1)
     {
         ERR("tcgetattr error '%s'\n", strerror(errno));
         return FILE_GetNtStatus();
     }
+    /* termios does not support DTR/DSR flow control */
+    shf->ControlHandShake = 0;
+    shf->FlowReplace = 0;
 #ifdef TIOCMGET
     if (ioctl(fd, TIOCMGET, &stat) == -1)
     {
         WARN("ioctl error '%s'\n", strerror(errno));
-        stat = DTR_CONTROL_ENABLE | RTS_CONTROL_ENABLE;
+        shf->ControlHandShake |= SERIAL_DTR_CONTROL;
+        shf->FlowReplace |= SERIAL_RTS_CONTROL;
     }
+#else
+    WARN("Setting DTR/RTS to enabled by default\n");
+    shf->ControlHandShake |= SERIAL_DTR_CONTROL;
+    shf->FlowReplace |= SERIAL_RTS_CONTROL;
 #endif
-    /* termios does not support DTR/DSR flow control */
-    shf->ControlHandShake = 0;
-    shf->FlowReplace = 0;
 #ifdef TIOCM_DTR
     if (stat & TIOCM_DTR)
 #endif
@@ -213,7 +218,7 @@ static NTSTATUS get_hand_flow(int fd, SERIAL_HANDFLOW* shf)
 #ifdef CRTSCTS
     if (port.c_cflag & CRTSCTS)
     {
-        shf->ControlHandShake |= SERIAL_DTR_CONTROL | SERIAL_DTR_HANDSHAKE;
+        shf->FlowReplace |= SERIAL_RTS_CONTROL;
         shf->ControlHandShake |= SERIAL_CTS_HANDSHAKE;
     }
     else
@@ -222,7 +227,7 @@ static NTSTATUS get_hand_flow(int fd, SERIAL_HANDFLOW* shf)
 #ifdef TIOCM_RTS
         if (stat & TIOCM_RTS)
 #endif
-            shf->ControlHandShake |= SERIAL_RTS_CONTROL;
+            shf->FlowReplace |= SERIAL_RTS_CONTROL;
     }
     if (port.c_iflag & IXOFF)
         shf->FlowReplace |= SERIAL_AUTO_RECEIVE;