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Optimize a bit valid speed search using fact that speed table sorted

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Andrey A. Chernov 1995-08-01 23:38:00 +00:00
parent 7a82fc7855
commit 271381b3b8
1 changed files with 5 additions and 1 deletions
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6
sys/kern/tty.c
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@ -36,7 +36,7 @@
* SUCH DAMAGE.
*
* @(#)tty.c 8.8 (Berkeley) 1/21/94
* $Id: tty.c,v 1.66 1995/07/31 22:50:01 bde Exp $
* $Id: tty.c,v 1.67 1995/08/01 23:27:34 ache Exp $
*/
/*-
@ -834,11 +834,15 @@ ttioctl(tp, cmd, data, flag)
for (i = MAX_SPEED; i >= 0; i--)
if (t->c_ispeed == validspeed[i])
break;
else if (t->c_ispeed > validspeed[i])
return (EINVAL);
if (i < 0)
return (EINVAL);
for (i = MAX_SPEED; i >= 0; i--)
if (t->c_ospeed == validspeed[i])
break;
else if (t->c_ospeed > validspeed[i])
return (EINVAL);
if (i < 0)
return (EINVAL);