src/usr.bin/mail/tty.c - diff

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Diff for /src/usr.bin/mail/tty.c between version 1.8 and 1.9

version 1.8, 1997/07/30 06:32:41

version 1.9, 1997/07/31 17:55:16

Line 73

sig_t saveint;

#ifndef TIOCSTI

sig_t savequit;

#else

int extproc, flag;

#endif

sig_t savetstp;

sig_t savettou;

Line 82

Line 80

int errs = 0;

#ifdef __GNUC__

/* Avoid siglongjmp clobbering */

#ifdef TIOCSTI

(void)&extproc;

#endif

(void)&saveint;

(void)&errs;

#endif

Line 110

Line 105

if ((savequit = signal(SIGQUIT, SIG_IGN)) == SIG_DFL)

(void)signal(SIGQUIT, SIG_DFL);

#else

# ifdef TIOCEXT

extproc = ((ttybuf.c_lflag & EXTPROC) ? 1 : 0);

if (extproc) {

flag = 0;

if (ioctl(fileno(stdin), TIOCEXT, &flag) < 0)

warn("TIOCEXT: off");

}

# endif /* TIOCEXT */

if (sigsetjmp(intjmp, 1)) {

errs = SIGINT;

goto out;

Line 165

Line 152

if (ttyset)

tcsetattr(fileno(stdin), TCSADRAIN, &ttybuf);

(void)signal(SIGQUIT, savequit);

#else

# ifdef TIOCEXT

if (extproc) {

flag = 1;

if (ioctl(fileno(stdin), TIOCEXT, &flag) < 0)

warn("TIOCEXT: on");

}

# endif /* TIOCEXT */

#endif

(void)signal(SIGINT, saveint);

return(errs);