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Don't try to ioctl(,TIOCOUTQ,) on a closed

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descriptor.
Reported by:	Stephane Raimbault <stephane@cybersurf.net>
This commit is contained in:
brian 1997-07-24 02:42:34 +00:00
parent 20b2e71e52
commit fbbc7e6dde
1 changed files with 6 additions and 5 deletions
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5
usr.sbin/ppp/modem.c
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@ -17,7 +17,7 @@
* IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
* WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
*
* $Id: modem.c,v 1.44 1997/06/23 23:10:13 brian Exp $
* $Id: modem.c,v 1.45 1997/07/14 01:41:29 brian Exp $
*
* TODO:
*/
@ -788,10 +788,11 @@ ShowModemStatus()
fprintf(VarTerm, "fd = %d, modem control = %o\n", modem, mbits);
fprintf(VarTerm, "connect count: %d\n", connect_count);
#ifdef TIOCOUTQ
if (modem >= 0)
if (ioctl(modem, TIOCOUTQ, &nb) > 0)
fprintf(VarTerm, "outq: %d\n", nb);
else
fprintf(VarTerm, "outq: ioctl probe failed.\n");
fprintf(VarTerm, "outq: ioctl probe failed: %s\n", strerror(errno));
#endif
fprintf(VarTerm, "outqlen: %d\n", ModemQlen());
fprintf(VarTerm, "DialScript = %s\n", VarDialScript);