tty: restore inproc return

We need this for vt.c where there are multibyte input symbols so undo the
removal.

diff --git a/Kernel/tty.c b/Kernel/tty.c
index bd503ff..ae63328 100644 (file)
--- a/Kernel/tty.c
+++ b/Kernel/tty.c
@@ -355,7 +355,7 @@ int tty_ioctl(uint8_t minor, uarg_t request, char *data)
  * UZI180 - This routine is called from the raw Hardware read routine,
  * either interrupt or polled, to process the input character.  HFB
  */
-void tty_inproc(uint8_t minor, unsigned char c)
+uint8_t tty_inproc(uint8_t minor, unsigned char c)
 {
        unsigned char oc;
        uint8_t canon;
@@ -369,7 +369,7 @@ void tty_inproc(uint8_t minor, unsigned char c)
        if (t->termios.c_iflag & ISTRIP)
                c &= 0x7f;      /* Strip off parity */
        if (canon && !c)
-               return;         /* Simply quit if Null character */
+               return 1;       /* Simply quit if Null character */
 
 #ifdef CONFIG_IDUMP
        if (c == 0x1a)          /* ^Z */
@@ -382,7 +382,7 @@ void tty_inproc(uint8_t minor, unsigned char c)
 
        if (c == '\r' ){
                if(t->termios.c_iflag & IGNCR )
-                       return;
+                       return 1;
                if(t->termios.c_iflag & ICRNL)
                        c = '\n';
        }
@@ -400,23 +400,23 @@ sigout:
                        sgrpsig(t->pgrp, wr);
                        clrq(q);
                        t->flag &= ~(TTYF_STOP | TTYF_DISCARD);
-                       return;
+                       return 1;
                }
        }
        if (c == t->termios.c_cc[VDISCARD]) {   /* ^O */
                t->flag ^= TTYF_DISCARD;
-               return;
+               return 1;
        }
        if (t->termios.c_iflag & IXON) {
                if (c == t->termios.c_cc[VSTOP]) {      /* ^S */
                        t->flag |= TTYF_STOP;
-                       return;
+                       return 1;
                }
                if (c == t->termios.c_cc[VSTART]) {     /* ^Q */
                        t->flag &= ~TTYF_STOP;
                        wakeup(&t->flag);
                        tty_selwake(minor, SELECT_OUT);
-                       return;
+                       return 1;
                }
        }
        if (canon) {
@@ -435,7 +435,8 @@ sigout:
                        tty_echo(minor, '\r');
        }
 
-       if (insq(q, c))
+       wr = insq(q, c);
+       if (wr)
                tty_echo(minor, c);
        else
                tty_putc(minor, '\007');        /* Beep if no more room */
@@ -445,7 +446,7 @@ sigout:
                wakeup(q);
                tty_selwake(minor, SELECT_IN);
        }
-       return;
+       return wr;
 
 eraseout:
        while (uninsq(q, &oc)) {
@@ -458,7 +459,7 @@ eraseout:
                 if (wr == ECHOE)
                         break;
        }
-       return;
+       return 1;
 }
 
 /* called when a UART transmitter is ready for the next character */