TODO: much left - still
first try to migrate ttin from if/goto code to switch/case code
This commit is contained in:
Oliver Lehmann
parent
84e28c465d
commit
9923d653a8
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@ -37,157 +37,26 @@ char tt0wstr[] = "@[$]tt0.c Rev : 4.1 09/29/83 01:02:58";
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extern putcb();
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extern char partab[];
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#ifdef 0
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ttin(tp, c, count)
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register struct tty *tp;
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long c;
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union {
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ushort ch;
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struct cblock *ptr;
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} c;
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int count;
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{
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register ushort ch;
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register ushort mode;
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register char *cp;
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char *csp;
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char *foo;
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extern tttimeo();
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mode = tp->t_iflag;
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if( count) {
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if(count == 1)
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goto L214;
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putcb(c, tp);
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sysinfo.rawch += count;
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cp = &c->c_data[c->c_first];
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L5a:
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if (tp->t_rawq.c_cc <= TTXOHI) { /* 3 */
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L62:
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mode = tp->t_lflag;
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if ((tp->t_state & IEXTPROC) ||
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(mode == 0)){ /* 4,5 */
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if (!(mode & ICANON)){/* 6 */
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tp->t_state &= ~RTO;
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if (tp->t_cc[VMIN] <= tp->t_rawq.c_cc) /* 7 */
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tp->t_delct = 1;
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else
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if ((tp->t_cc[VTIME]) &&
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((tp->t_state & TACT) == 0)) /* 72,73 */
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ttimeout(tp);
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if ((tp->t_delct) == 0) return; /* 74 */
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}
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if (tp->t_state & IASLP) { /* 75 */
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tp->t_state &= ~IASLP;
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wakeup(tp);
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}
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return;
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}
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if (count--){ /* 67 */
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ch = *cp++;
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mode = tp->t_lflag;
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if (!(mode & ISIG)){ /* 68 */
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L494:
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if (mode & ICANON){ /* 69 */
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if (ch == '\n'){ /* 70 */
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if (mode & ECHONL)
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mode |= ECHO;
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tp->t_delct++;
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}
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else
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if (ch == tp->t_cc[VEOL])
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tp->t_delct++;
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if ((tp->t_state & ESC) == 0){ /* 50 */
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if (ch == '\\')
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tp->t_state |= ESC;
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if ((ch == tp->t_cc[VERASE]) &&
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(mode & INPCK)){ /* 52,53 */
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if (mode & ECHO) /* 54 */
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ttxput(tp, (long) CERASE, 0);
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mode |= ECHO;
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ttxput(tp, (long) ' ', 0);
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ch = CERASE;
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} /* von 52,53 */
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else if ((ch == tp->t_cc[VKILL]) &&
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(mode & ISTRIP)){ /* 55,56 */
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if ((mode & ECHO) &&
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(mode & ISPCI)){ /* 57,58 */
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for ( csp = &"???"; (*csp);)
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ttxput(tp, (long) *csp++, 0);
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(*tp->t_proc)(tp, T_OUTPUT);
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}
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ttxput(tp, (long) ch, 0);
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mode |= ECHO;
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ch = '\n';
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}
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else if (ch != tp->t_cc[VEOF]) /* 60 */
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if ((mode & ECHO) &&
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(mode & ISPCI)){ /* 61,62 */
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for ( csp = &"(eof)"; (*csp);)
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ttxput(tp, (long) *csp++, 0);
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(*tp->t_proc)(tp, T_OUTPUT);
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}
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mode &= ~ECHO;
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tp->t_delct++;
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}
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else if ((ch == '\\') ||
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(mode & XCASE)) /* 64,65 */
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tp->t_state &= ~RTO;
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}
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if (mode & ECHO) /* 66 */
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ttxput(tp, (long) ch, 0);
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(*tp->t_proc)(tp, T_OUTPUT);
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} /* von 68 */
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else {
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if (ch != tp->t_cc[VINTR]){ /* 43 */
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if (ch == tp->t_cc[VQUIT]) /* 44 */
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goto L494;
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if (!(mode & NOFLSH))
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ttyflush(tp, T_RESUME);
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if ((mode & ECHO) ||
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(mode & ISPCI)){ /* 46,47 */
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for ( csp = &"(quit)"; (*csp); csp++)
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ttxput(tp,(long) *csp, 0);
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(*tp->t_proc)(tp, T_OUTPUT);
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} /* von 43 */
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}
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else {
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if (!(mode & NOFLSH))
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ttyflush(tp, T_RESUME);
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if ((mode & ECHO) &&
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(mode & ISPCI)) /* 40,41 */{
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for ( csp = &"(intr)"; (*csp); csp++)
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ttxput(tp, (long) *csp, 0);
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(*tp->t_proc)(tp, T_OUTPUT);
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} /* von 40,41 */
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}
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} /* von 68 else */
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} /* von 67 */
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if (!(mode & ICANON)){ /* 6 */
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if (tp->t_cc[VMIN] <= tp->t_rawq.c_cc)
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tp->t_delct = 1;
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if ((tp->t_cc[VTIME]) &&
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((tp->t_state & TACT) == 0))
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meout(tp);
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} /* von 6 */
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if ((tp->t_delct) &&
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(tp->t_state & IASLP)){ /* 74,75 */
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tp->t_state &= ~IASLP;
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wakeup(tp);
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}
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return;
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} /* von 3 */
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else {
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if ((mode & IXOFF)&&
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(tp->t_state & TBLOCK)) /* 8,9 */
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(*tp->t_proc)(tp, T_BLOCK);
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if (tp->t_rawq.c_cc <= TTYHOG) /* 10 */
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goto L62;
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else
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ttyflush(tp, T_TIME);
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return;
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} /* 3 von else */
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} /* von 1 */
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else {
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switch(count) {
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case 0:
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count++;
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ch = c.half.left;
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ch = c.ch;
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if ((ch & IXOFF) &&
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(!(mode & INPCK))) /* 13,14 */
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ch &= ~PERROR;
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@ -227,25 +96,132 @@ L494:
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}
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if ((ch == '\n')&&
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(mode & INLCR)) /* 30,31 */
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c = '\r';
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c.ch = '\r';
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else {
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if (c == 0xd){ /* 32 */
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if (c.ch == 0xd){ /* 32 */
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if (mode & IGNCR) return;
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if (mode & ICRNL)
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c = '\n';
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c.ch = '\n';
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}
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}
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}
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if (mode & IUCLC) /* 35 */
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c = toupper(c);
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L214:
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if (mode & IUCLC) /* 35 */
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c.ch = toupper(c.ch);
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case 1:
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if (putc(c, tp))
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return;
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sysinfo.rawch++;
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cp = &lobyte(c.half.right);
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goto L5a;
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cp = (char *)&lobyte(c.ch);
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break;
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default:
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putcb(c, tp);
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sysinfo.rawch += count;
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cp = (char *)&c.ptr->c_data[c.ptr->c_first];
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break;
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}
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if (tp->t_rawq.c_cc > TTXOHI) {
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if ((mode & IXOFF)&&
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(tp->t_state & TBLOCK))
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(*tp->t_proc)(tp, T_BLOCK);
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if (tp->t_rawq.c_cc > TTYHOG) {
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ttyflush(tp, T_TIME);
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return;
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}
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}
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if (tp->t_lflag) while (count--) {
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ch = *cp++;
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mode = tp->t_lflag;
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if (mode&ISIG) {
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if (ch == tp->t_cc[VINTR]){
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if (!(mode & NOFLSH))
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ttyflush(tp, T_RESUME);
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if ((mode & ECHO) &&
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(mode & ISPCI)){
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for ( csp = "(intr)"; (*csp); csp++)
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ttxput(tp, (long) *csp, 0);
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(*tp->t_proc)(tp, T_OUTPUT);
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}
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continue;
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} else {
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if (ch == tp->t_cc[VQUIT]) /* 44 */
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continue;
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if (!(mode & NOFLSH))
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ttyflush(tp, T_RESUME);
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if ((mode & ECHO) ||
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(mode & ISPCI)){ /* 46,47 */
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for ( csp = "(quit)"; (*csp); csp++)
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ttxput(tp,(long) *csp, 0);
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(*tp->t_proc)(tp, T_OUTPUT);
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}
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continue;
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}
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}
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if (mode & ICANON){ /* 69 */
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if (ch == '\n'){ /* 70 */
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if (mode & ECHONL)
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mode |= ECHO;
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tp->t_delct++;
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}
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else
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if (ch == tp->t_cc[VEOL])
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tp->t_delct++;
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if ((tp->t_state & ESC) == 0){ /* 50 */
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if (ch == '\\')
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tp->t_state |= ESC;
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if ((ch == tp->t_cc[VERASE]) &&
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(mode & INPCK)){ /* 52,53 */
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if (mode & ECHO) /* 54 */
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ttxput(tp, (long) CERASE, 0);
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mode |= ECHO;
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ttxput(tp, (long) ' ', 0);
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ch = CERASE;
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} /* von 52,53 */
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else if ((ch == tp->t_cc[VKILL]) &&
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(mode & ISTRIP)){ /* 55,56 */
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if ((mode & ECHO) &&
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(mode & ISPCI)){ /* 57,58 */
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for ( csp = "???"; (*csp);)
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ttxput(tp, (long) *csp++, 0);
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(*tp->t_proc)(tp, T_OUTPUT);
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}
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ttxput(tp, (long) ch, 0);
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mode |= ECHO;
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ch = '\n';
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}
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else if (ch != tp->t_cc[VEOF]) /* 60 */
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if ((mode & ECHO) &&
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(mode & ISPCI)){ /* 61,62 */
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for ( csp = "(eof)"; (*csp);)
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ttxput(tp, (long) *csp++, 0);
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(*tp->t_proc)(tp, T_OUTPUT);
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}
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mode &= ~ECHO;
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tp->t_delct++;
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}
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else if ((ch == '\\') ||
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(mode & XCASE)) /* 64,65 */
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tp->t_state &= ~RTO;
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}
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if (mode & ECHO){
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ttxput(tp, (long) ch, 0);
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(*tp->t_proc)(tp, T_OUTPUT);
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}
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}
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if (!(mode & ICANON)){ /* 6 */
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if (tp->t_cc[VMIN] <= tp->t_rawq.c_cc)
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tp->t_delct = 1;
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if ((tp->t_cc[VTIME]) &&
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((tp->t_state & TACT) == 0))
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tttimeout(tp);
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} /* von 6 */
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if ((tp->t_delct) &&
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(tp->t_state & IASLP)){ /* 74,75 */
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tp->t_state &= ~IASLP;
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wakeup(tp);
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}
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return;
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}
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#endif
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/*
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* Put character(s) on TTY output queue, adding delays,
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