1270 lines
24 KiB
C
1270 lines
24 KiB
C
/* stty - set terminal mode Author: Andy Tanenbaum */
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/*
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Adapted to POSIX 1003.2 by Philip Homburg.
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*/
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#include <assert.h>
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#include <ctype.h>
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#include <errno.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <termios.h>
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#ifdef __minix
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#include <sys/types.h>
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#include <sys/ioctl.h>
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#endif
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#include <unistd.h>
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/* Default settings, the Minix ones are defined in <termios.h> */
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#ifndef TCTRL_DEF
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#define TCTRL_DEF (PARENB | CREAD | CS7)
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#endif
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#ifndef TSPEED_DEF
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#define TSPEED_DEF B1200
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#endif
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#ifndef TINPUT_DEF
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#define TINPUT_DEF (BRKINT | IGNPAR | ISTRIP | ICRNL)
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#endif
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#ifndef TOUTPUT_DEF
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#define TOUTPUT_DEF OPOST
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#endif
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#ifndef TLOCAL_DEF
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#define TLOCAL_DEF (ISIG | IEXTEN | ICANON | ECHO | ECHOE)
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#endif
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#ifndef TEOF_DEF
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#define TEOF_DEF '\4' /* ^D */
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#endif
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#ifndef TEOL_DEF
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#ifdef _POSIX_VDISABLE
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#define TEOL_DEF _POSIX_VDISABLE
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#else
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#define TEOL_DEF '\n'
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#endif
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#endif
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#ifndef TERASE_DEF
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#define TERASE_DEF '\10' /* ^H */
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#endif
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#ifndef TINTR_DEF
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#define TINTR_DEF '\177' /* ^? */
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#endif
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#ifndef TKILL_DEF
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#define TKILL_DEF '\25' /* ^U */
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#endif
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#ifndef TQUIT_DEF
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#define TQUIT_DEF '\34' /* ^\ */
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#endif
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#ifndef TSUSP_DEF
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#define TSUSP_DEF '\32' /* ^Z */
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#endif
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#ifndef TSTART_DEF
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#define TSTART_DEF '\21' /* ^Q */
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#endif
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#ifndef TSTOP_DEF
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#define TSTOP_DEF '\23' /* ^S */
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#endif
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#ifndef TMIN_DEF
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#define TMIN_DEF 1
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#endif
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#ifndef TTIME_DEF
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#define TTIME_DEF 0
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#endif
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char *prog_name;
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struct termios termios;
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int column= 0, max_column=80; /* Assume 80 character terminals. */
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#ifdef __minix
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struct winsize winsize;
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#endif
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#define PROTO(a) a
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int main PROTO(( int argc, char **argv ));
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void report PROTO(( int flags ));
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int option PROTO(( char *opt, char *next ));
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int match PROTO(( char *s1, char *s2 ));
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void prctl PROTO(( int c ));
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speed_t long2speed PROTO(( long num ));
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long speed2long PROTO(( unsigned long speed ));
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void print_flags PROTO(( unsigned long flags, unsigned long flag,
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unsigned long def, char *string, int all ));
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void output PROTO(( char *s ));
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void do_print_char PROTO(( unsigned chr, unsigned def, char *name, int all ));
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void do_print_num PROTO(( unsigned num, unsigned def, char *name, int all ));
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void set_saved_settings PROTO(( char *opt ));
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void set_control PROTO(( int option, char *value ));
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void set_min_tim PROTO(( int option, char *value ));
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#define print_char(c,d,n,a) (do_print_char((unsigned)(c),(unsigned)(d),(n),(a)))
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#define print_num(m,d,n,a) (do_print_num((unsigned)(m),(unsigned)(d),(n),(a)))
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int main(argc, argv)
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int argc;
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char *argv[];
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{
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int flags, k;
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prog_name= argv[0];
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flags= 0;
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/* Stty with no arguments just reports on current status. */
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if (tcgetattr(0, &termios) == -1)
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{
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fprintf(stderr, "%s: can't read ioctl parameters from stdin: %s\n",
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prog_name, strerror(errno));
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exit(1);
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}
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#ifdef __minix
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if (ioctl(0, TIOCGWINSZ, &winsize) == -1)
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{
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fprintf(stderr, "%s: can't get screen size from stdin: %s\n",
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prog_name, strerror(errno));
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exit(1);
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}
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if (winsize.ws_col != 0)
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max_column= winsize.ws_col;
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#endif
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if (argc == 2)
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{
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if (!strcmp(argv[1], "-a"))
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flags |= 1;
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else if (!strcmp(argv[1], "-g"))
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flags |= 2;
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}
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if (argc == 1 || flags) {
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report(flags);
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exit(0);
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}
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/* Process the options specified. */
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for (k= 1; k < argc; k++)
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k += option(argv[k], k+1 < argc ? argv[k+1] : "");
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#ifdef __minix
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if (ioctl(0, TIOCSWINSZ, &winsize) == -1)
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{
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fprintf(stderr, "%s: can't set screen size to stdin: %s\n",
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prog_name, strerror(errno));
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exit(1);
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}
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#endif
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if (tcsetattr(0, TCSANOW, &termios) == -1)
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{
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fprintf(stderr, "%s: can't set terminal parameters to stdin: %s\n",
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prog_name, strerror(errno));
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exit(1);
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}
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exit(0);
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}
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void report(flags)
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int flags;
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{
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int i, all;
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tcflag_t c_cflag, c_iflag, c_oflag, c_lflag;
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char line[80];
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speed_t ispeed, ospeed;
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if (flags & 2)
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{ /* We have to write the termios structure in a encoded form
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* to stdout.
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*/
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printf(":%x:%x:%x:%x:%x:%x", termios.c_iflag, termios.c_oflag,
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termios.c_cflag, termios.c_lflag, cfgetispeed(&termios),
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cfgetospeed(&termios));
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for (i= 0; i<NCCS; i++)
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printf(":%x", termios.c_cc[i]);
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printf(":\n");
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return;
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}
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all= !!flags;
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/* Start with the baud rate. */
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ispeed= cfgetispeed(&termios);
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ospeed= cfgetospeed(&termios);
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if (ispeed != ospeed)
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{
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sprintf(line, "ispeed %lu baud; ospeed %lu baud;",
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speed2long(ispeed), speed2long(ospeed));
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output(line);
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}
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else if (all || ospeed != TSPEED_DEF)
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{
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sprintf(line, "speed %lu baud;", speed2long(ospeed));
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output(line);
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}
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/* The control modes. */
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c_cflag= termios.c_cflag;
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if (all || (c_cflag & CSIZE) != (TCTRL_DEF & CSIZE))
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{
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switch (c_cflag & CSIZE)
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{
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case CS5: output("cs5"); break;
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case CS6: output("cs6"); break;
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case CS7: output("cs7"); break;
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case CS8: output("cs8"); break;
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default: output("cs??"); break;
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}
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}
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print_flags(c_cflag, PARENB, TCTRL_DEF, "-parenb", all);
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print_flags(c_cflag, PARODD, TCTRL_DEF, "-parodd", all);
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print_flags(c_cflag, HUPCL, TCTRL_DEF, "-hupcl", all);
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print_flags(c_cflag, CSTOPB, TCTRL_DEF, "-cstopb", all);
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print_flags(c_cflag, CREAD, TCTRL_DEF, "-cread", all);
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print_flags(c_cflag, CLOCAL, TCTRL_DEF, "-clocal", all);
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if (all)
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{
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printf("\n");
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column= 0;
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}
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/* The input flags. */
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c_iflag= termios.c_iflag;
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print_flags(c_iflag, IGNBRK, TINPUT_DEF, "-ignbrk", all);
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print_flags(c_iflag, BRKINT, TINPUT_DEF, "-brkint", all);
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print_flags(c_iflag, IGNPAR, TINPUT_DEF, "-ignpar", all);
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print_flags(c_iflag, PARMRK, TINPUT_DEF, "-parmrk", all);
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print_flags(c_iflag, INPCK, TINPUT_DEF, "-inpck", all);
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print_flags(c_iflag, ISTRIP, TINPUT_DEF, "-istrip", all);
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print_flags(c_iflag, INLCR, TINPUT_DEF, "-inlcr", all);
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print_flags(c_iflag, IGNCR, TINPUT_DEF, "-igncr", all);
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print_flags(c_iflag, ICRNL, TINPUT_DEF, "-icrnl", all);
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print_flags(c_iflag, IXON, TINPUT_DEF, "-ixon", all);
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print_flags(c_iflag, IXOFF, TINPUT_DEF, "-ixoff", all);
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print_flags(c_iflag, IXANY, TINPUT_DEF, "-ixany", all);
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if (all)
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{
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printf("\n");
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column= 0;
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}
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/* The output flags. */
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c_oflag= termios.c_oflag;
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print_flags(c_oflag, OPOST, TOUTPUT_DEF, "-opost", all);
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#ifdef __minix
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print_flags(c_oflag, ONLCR, TOUTPUT_DEF, "-onlcr", all);
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print_flags(c_oflag, XTABS, TOUTPUT_DEF, "-xtabs", all);
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print_flags(c_oflag, ONOEOT, TOUTPUT_DEF, "-onoeot", all);
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#endif
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if (all)
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{
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printf("\n");
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column= 0;
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}
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/* The local flags. */
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c_lflag= termios.c_lflag;
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print_flags(c_lflag, ISIG, TLOCAL_DEF, "-isig", all);
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print_flags(c_lflag, ICANON, TLOCAL_DEF, "-icanon", all);
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print_flags(c_lflag, IEXTEN, TLOCAL_DEF, "-iexten", all);
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print_flags(c_lflag, ECHO, TLOCAL_DEF, "-echo", all);
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print_flags(c_lflag, ECHOE, TLOCAL_DEF, "-echoe", all);
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print_flags(c_lflag, ECHOK, TLOCAL_DEF, "-echok", all);
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print_flags(c_lflag, ECHONL, TLOCAL_DEF, "-echonl", all);
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print_flags(c_lflag, NOFLSH, TLOCAL_DEF, "-noflsh", all);
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#ifdef TOSTOP
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print_flags(c_lflag, TOSTOP, TLOCAL_DEF, "-tostop", all);
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#endif
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#ifdef __minix
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print_flags(c_lflag, LFLUSHO, TLOCAL_DEF, "-lflusho", all);
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#endif
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if (all)
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{
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printf("\n");
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column= 0;
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}
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/* The special control characters. */
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print_char(termios.c_cc[VEOF], TEOF_DEF, "eof", all);
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print_char(termios.c_cc[VEOL], TEOL_DEF, "eol", all);
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print_char(termios.c_cc[VERASE], TERASE_DEF, "erase", all);
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print_char(termios.c_cc[VINTR], TINTR_DEF, "intr", all);
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print_char(termios.c_cc[VKILL], TKILL_DEF, "kill", all);
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print_char(termios.c_cc[VQUIT], TQUIT_DEF, "quit", all);
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print_char(termios.c_cc[VSUSP], TSUSP_DEF, "susp", all);
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print_char(termios.c_cc[VSTART], TSTART_DEF, "start", all);
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print_char(termios.c_cc[VSTOP], TSTOP_DEF, "stop", all);
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#ifdef __minix
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print_char(termios.c_cc[VREPRINT], TREPRINT_DEF, "rprnt", all);
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print_char(termios.c_cc[VLNEXT], TLNEXT_DEF, "lnext", all);
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print_char(termios.c_cc[VDISCARD], TDISCARD_DEF, "flush", all);
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#endif
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print_num(termios.c_cc[VMIN], TMIN_DEF, "min", all);
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print_num(termios.c_cc[VTIME], TTIME_DEF, "time", all);
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if (all)
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{
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printf("\n");
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column= 0;
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}
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#ifdef __minix
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/* Screen size */
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if (all || winsize.ws_row != 0 || winsize.ws_col != 0)
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{
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sprintf(line, "%d rows %d columns", winsize.ws_row,
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winsize.ws_col);
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output(line);
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}
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if (all || winsize.ws_ypixel != 0 || winsize.ws_xpixel != 0)
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{
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sprintf(line, "%d ypixels %d xpixels", winsize.ws_ypixel,
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winsize.ws_xpixel);
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output(line);
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}
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if (all)
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{
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printf("\n");
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column= 0;
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}
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#endif
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if (column != 0)
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{
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printf("\n");
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column= 0;
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}
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}
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int option(opt, next)
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char *opt, *next;
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{
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char *check;
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speed_t speed;
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long num;
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/* The control options. */
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if (match(opt, "clocal")) {
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termios.c_cflag |= CLOCAL;
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return 0;
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}
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if (match(opt, "-clocal")) {
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termios.c_cflag &= ~CLOCAL;
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return 0;
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}
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if (match(opt, "cread")) {
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termios.c_cflag |= CREAD;
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return 0;
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}
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if (match(opt, "-cread")) {
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termios.c_cflag &= ~CREAD;
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return 0;
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}
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if (match(opt, "cs5")) {
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termios.c_cflag &= ~CSIZE;
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termios.c_cflag |= CS5;
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return 0;
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}
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if (match(opt, "cs6")) {
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termios.c_cflag &= ~CSIZE;
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termios.c_cflag |= CS6;
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return 0;
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}
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if (match(opt, "cs7")) {
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termios.c_cflag &= ~CSIZE;
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termios.c_cflag |= CS7;
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return 0;
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}
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if (match(opt, "cs8")) {
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termios.c_cflag &= ~CSIZE;
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termios.c_cflag |= CS8;
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return 0;
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}
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if (match(opt, "cstopb")) {
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termios.c_cflag |= CSTOPB;
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return 0;
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}
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if (match(opt, "-cstopb")) {
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termios.c_cflag &= ~CSTOPB;
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return 0;
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}
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if (match(opt, "hupcl") || match(opt, "hup")) {
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termios.c_cflag |= HUPCL;
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return 0;
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}
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if (match(opt, "-hupcl") || match(opt, "-hup")) {
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termios.c_cflag &= ~HUPCL;
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return 0;
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}
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if (match(opt, "parenb")) {
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termios.c_cflag |= PARENB;
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return 0;
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}
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if (match(opt, "-parenb")) {
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termios.c_cflag &= ~PARENB;
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return 0;
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}
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if (match(opt, "parodd")) {
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termios.c_cflag |= PARODD;
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return 0;
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}
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if (match(opt, "-parodd")) {
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termios.c_cflag &= ~PARODD;
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return 0;
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}
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num= strtol(opt, &check, 10);
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if (check[0] == '\0')
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{
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speed= long2speed(num);
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if (speed == (speed_t)-1)
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{
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fprintf(stderr, "%s: illegal speed: '%s'\n", prog_name, opt);
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return 0;
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}
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/* Speed OK */
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cfsetispeed(&termios, speed);
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cfsetospeed(&termios, speed);
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return 0;
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}
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if (match(opt, "ispeed")) {
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num= strtol(next, &check, 10);
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if (check != '\0')
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{
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speed= long2speed(num);
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if (speed == (speed_t)-1)
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{
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fprintf(stderr, "%s: illegal speed: '%s'\n", prog_name,
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opt);
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return 1;
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}
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cfsetispeed(&termios, speed);
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return 1;
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}
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else
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{
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fprintf(stderr, "%s: invalid argument to ispeed: '%s'\n",
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prog_name, next);
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return 1;
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}
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}
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if (match(opt, "ospeed")) {
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num= strtol(next, &check, 10);
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if (check != '\0')
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{
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speed= long2speed(num);
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if (speed == (speed_t)-1)
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{
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fprintf(stderr, "%s: illegal speed: '%s'\n", prog_name,
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opt);
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return 1;
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}
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cfsetospeed(&termios, speed);
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return 1;
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}
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else
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{
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fprintf(stderr, "%s: invalid argument to ospeed: %s\n",
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prog_name, next);
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return 1;
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}
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}
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/* Input modes. */
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if (match(opt, "brkint")) {
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termios.c_iflag |= BRKINT;
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return 0;
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}
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if (match(opt, "-brkint")) {
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termios.c_iflag &= ~BRKINT;
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return 0;
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}
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if (match(opt, "icrnl")) {
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termios.c_iflag |= ICRNL;
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return 0;
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}
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if (match(opt, "-icrnl")) {
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termios.c_iflag &= ~ICRNL;
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return 0;
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}
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|
|
if (match(opt, "ignbrk")) {
|
|
termios.c_iflag |= IGNBRK;
|
|
return 0;
|
|
}
|
|
if (match(opt, "-ignbrk")) {
|
|
termios.c_iflag &= ~IGNBRK;
|
|
return 0;
|
|
}
|
|
|
|
if (match(opt, "igncr")) {
|
|
termios.c_iflag |= IGNCR;
|
|
return 0;
|
|
}
|
|
if (match(opt, "-igncr")) {
|
|
termios.c_iflag &= ~IGNCR;
|
|
return 0;
|
|
}
|
|
|
|
if (match(opt, "ignpar")) {
|
|
termios.c_iflag |= IGNPAR;
|
|
return 0;
|
|
}
|
|
if (match(opt, "-ignpar")) {
|
|
termios.c_iflag &= ~IGNPAR;
|
|
return 0;
|
|
}
|
|
|
|
if (match(opt, "inlcr")) {
|
|
termios.c_iflag |= INLCR;
|
|
return 0;
|
|
}
|
|
if (match(opt, "-inlcr")) {
|
|
termios.c_iflag &= ~INLCR;
|
|
return 0;
|
|
}
|
|
|
|
if (match(opt, "inpck")) {
|
|
termios.c_iflag |= INPCK;
|
|
return 0;
|
|
}
|
|
if (match(opt, "-inpck")) {
|
|
termios.c_iflag &= ~INPCK;
|
|
return 0;
|
|
}
|
|
|
|
if (match(opt, "istrip")) {
|
|
termios.c_iflag |= ISTRIP;
|
|
return 0;
|
|
}
|
|
if (match(opt, "-istrip")) {
|
|
termios.c_iflag &= ~ISTRIP;
|
|
return 0;
|
|
}
|
|
|
|
if (match(opt, "ixoff")) {
|
|
termios.c_iflag |= IXOFF;
|
|
return 0;
|
|
}
|
|
if (match(opt, "-ixoff")) {
|
|
termios.c_iflag &= ~IXOFF;
|
|
return 0;
|
|
}
|
|
|
|
if (match(opt, "ixon")) {
|
|
termios.c_iflag |= IXON;
|
|
return 0;
|
|
}
|
|
if (match(opt, "-ixon")) {
|
|
termios.c_iflag &= ~IXON;
|
|
return 0;
|
|
}
|
|
|
|
if (match(opt, "parmrk")) {
|
|
termios.c_iflag |= PARMRK;
|
|
return 0;
|
|
}
|
|
if (match(opt, "-parmrk")) {
|
|
termios.c_iflag &= ~PARMRK;
|
|
return 0;
|
|
}
|
|
|
|
if (match(opt, "ixany")) {
|
|
termios.c_iflag |= IXANY;
|
|
return 0;
|
|
}
|
|
if (match(opt, "-ixany")) {
|
|
termios.c_iflag &= ~IXANY;
|
|
return 0;
|
|
}
|
|
|
|
/* Output modes. */
|
|
|
|
if (match(opt, "opost")) {
|
|
termios.c_oflag |= OPOST;
|
|
return 0;
|
|
}
|
|
if (match(opt, "-opost")) {
|
|
termios.c_oflag &= ~OPOST;
|
|
return 0;
|
|
}
|
|
#ifdef __minix
|
|
if (match(opt, "onlcr")) {
|
|
termios.c_oflag |= ONLCR;
|
|
return 0;
|
|
}
|
|
if (match(opt, "-onlcr")) {
|
|
termios.c_oflag &= ~ONLCR;
|
|
return 0;
|
|
}
|
|
|
|
if (match(opt, "xtabs")) {
|
|
termios.c_oflag |= XTABS;
|
|
return 0;
|
|
}
|
|
if (match(opt, "-xtabs")) {
|
|
termios.c_oflag &= ~XTABS;
|
|
return 0;
|
|
}
|
|
|
|
if (match(opt, "onoeot")) {
|
|
termios.c_oflag |= ONOEOT;
|
|
return 0;
|
|
}
|
|
if (match(opt, "-onoeot")) {
|
|
termios.c_oflag &= ~ONOEOT;
|
|
return 0;
|
|
}
|
|
#endif
|
|
|
|
/* Local modes. */
|
|
|
|
if (match(opt, "echo")) {
|
|
termios.c_lflag |= ECHO;
|
|
return 0;
|
|
}
|
|
if (match(opt, "-echo")) {
|
|
termios.c_lflag &= ~ECHO;
|
|
return 0;
|
|
}
|
|
|
|
if (match(opt, "echoe")) {
|
|
termios.c_lflag |= ECHOE;
|
|
return 0;
|
|
}
|
|
if (match(opt, "-echoe")) {
|
|
termios.c_lflag &= ~ECHOE;
|
|
return 0;
|
|
}
|
|
|
|
if (match(opt, "echok")) {
|
|
termios.c_lflag |= ECHOK;
|
|
return 0;
|
|
}
|
|
if (match(opt, "-echok")) {
|
|
termios.c_lflag &= ~ECHOK;
|
|
return 0;
|
|
}
|
|
|
|
if (match(opt, "echonl")) {
|
|
termios.c_lflag |= ECHONL;
|
|
return 0;
|
|
}
|
|
if (match(opt, "-echonl")) {
|
|
termios.c_lflag &= ~ECHONL;
|
|
return 0;
|
|
}
|
|
|
|
if (match(opt, "icanon")) {
|
|
termios.c_lflag |= ICANON;
|
|
return 0;
|
|
}
|
|
if (match(opt, "-icanon")) {
|
|
termios.c_lflag &= ~ICANON;
|
|
return 0;
|
|
}
|
|
|
|
if (match(opt, "iexten")) {
|
|
termios.c_lflag |= IEXTEN;
|
|
return 0;
|
|
}
|
|
if (match(opt, "-iexten")) {
|
|
termios.c_lflag &= ~IEXTEN;
|
|
return 0;
|
|
}
|
|
|
|
if (match(opt, "isig")) {
|
|
termios.c_lflag |= ISIG;
|
|
return 0;
|
|
}
|
|
if (match(opt, "-isig")) {
|
|
termios.c_lflag &= ~ISIG;
|
|
return 0;
|
|
}
|
|
|
|
if (match(opt, "noflsh")) {
|
|
termios.c_lflag |= NOFLSH;
|
|
return 0;
|
|
}
|
|
if (match(opt, "-noflsh")) {
|
|
termios.c_lflag &= ~NOFLSH;
|
|
return 0;
|
|
}
|
|
|
|
if (match(opt, "tostop")) {
|
|
termios.c_lflag |= TOSTOP;
|
|
return 0;
|
|
}
|
|
if (match(opt, "-tostop")) {
|
|
termios.c_lflag &= ~TOSTOP;
|
|
return 0;
|
|
}
|
|
|
|
#ifdef __minix
|
|
if (match(opt, "lflusho")) {
|
|
termios.c_lflag |= LFLUSHO;
|
|
return 0;
|
|
}
|
|
if (match(opt, "-lflusho")) {
|
|
termios.c_lflag &= ~LFLUSHO;
|
|
return 0;
|
|
}
|
|
#endif
|
|
|
|
/* The special control characters. */
|
|
if (match(opt, "eof")) {
|
|
set_control(VEOF, next);
|
|
return 1;
|
|
}
|
|
|
|
if (match(opt, "eol")) {
|
|
set_control(VEOL, next);
|
|
return 1;
|
|
}
|
|
|
|
if (match(opt, "erase")) {
|
|
set_control(VERASE, next);
|
|
return 1;
|
|
}
|
|
|
|
if (match(opt, "intr")) {
|
|
set_control(VINTR, next);
|
|
return 1;
|
|
}
|
|
|
|
if (match(opt, "kill")) {
|
|
set_control(VKILL, next);
|
|
return 1;
|
|
}
|
|
|
|
if (match(opt, "quit")) {
|
|
set_control(VQUIT, next);
|
|
return 1;
|
|
}
|
|
|
|
if (match(opt, "susp")) {
|
|
set_control(VSUSP, next);
|
|
return 1;
|
|
}
|
|
|
|
if (match(opt, "start")) {
|
|
set_control(VSTART, next);
|
|
return 1;
|
|
}
|
|
|
|
if (match(opt, "stop")) {
|
|
set_control(VSTOP, next);
|
|
return 1;
|
|
}
|
|
#ifdef __minix
|
|
if (match(opt, "rprnt")) {
|
|
set_control(VREPRINT, next);
|
|
return 1;
|
|
}
|
|
|
|
if (match(opt, "lnext")) {
|
|
set_control(VLNEXT, next);
|
|
return 1;
|
|
}
|
|
|
|
if (match(opt, "flush")) {
|
|
set_control(VDISCARD, next);
|
|
return 1;
|
|
}
|
|
#endif
|
|
|
|
if (match(opt, "min")) {
|
|
set_min_tim(VMIN, next);
|
|
return 1;
|
|
}
|
|
|
|
if (match(opt, "time")) {
|
|
set_min_tim(VTIME, next);
|
|
return 1;
|
|
}
|
|
|
|
/* Special modes. */
|
|
if (opt[0] == ':')
|
|
{
|
|
set_saved_settings(opt);
|
|
return 0;
|
|
}
|
|
|
|
if (match(opt, "cooked") || match(opt, "raw")) {
|
|
int x = opt[0] == 'c' ? 1 : 0;
|
|
|
|
option(x + "-icrnl", ""); /* off in raw mode, on in cooked mode */
|
|
option(x + "-ixon", "");
|
|
option(x + "-opost", "");
|
|
option(x + "-onlcr", "");
|
|
option(x + "-isig", "");
|
|
option(x + "-icanon", "");
|
|
option(x + "-iexten", "");
|
|
option(x + "-echo", "");
|
|
return 0;
|
|
}
|
|
|
|
if (match(opt, "evenp") || match(opt, "parity")) {
|
|
option("parenb", "");
|
|
option("cs7", "");
|
|
option("-parodd", "");
|
|
return 0;
|
|
}
|
|
|
|
if (match(opt, "oddp")) {
|
|
option("parenb", "");
|
|
option("cs7", "");
|
|
option("parodd", "");
|
|
return 0;
|
|
}
|
|
|
|
if (match(opt, "-parity") || match(opt, "-evenp") || match(opt, "-oddp")) {
|
|
option("-parenb", "");
|
|
option("cs8", "");
|
|
return 0;
|
|
}
|
|
|
|
if (match(opt, "nl")) {
|
|
option("icrnl", "");
|
|
return 0;
|
|
}
|
|
|
|
if (match(opt, "-nl")) {
|
|
option("-icrnl", "");
|
|
option("-inlcr", "");
|
|
option("-igncr", "");
|
|
return 0;
|
|
}
|
|
|
|
if (match(opt, "ek")) {
|
|
termios.c_cc[VERASE]= TERASE_DEF;;
|
|
termios.c_cc[VKILL]= TKILL_DEF;;
|
|
return 0;
|
|
}
|
|
|
|
if (match(opt, "sane"))
|
|
{
|
|
/* Reset all terminal attributes to a sane state, except things like
|
|
* line speed and parity, because it can't be known what their sane
|
|
* values are.
|
|
*/
|
|
termios.c_iflag= (TINPUT_DEF & ~(IGNPAR|ISTRIP|INPCK))
|
|
| (termios.c_iflag & (IGNPAR|ISTRIP|INPCK));
|
|
termios.c_oflag= (TOUTPUT_DEF & ~(XTABS))
|
|
| (termios.c_oflag & (XTABS));
|
|
termios.c_cflag= (TCTRL_DEF & ~(CLOCAL|CSIZE|CSTOPB|PARENB|PARODD))
|
|
| (termios.c_cflag & (CLOCAL|CSIZE|CSTOPB|PARENB|PARODD));
|
|
termios.c_lflag= (TLOCAL_DEF & ~(ECHOE|ECHOK))
|
|
| (termios.c_lflag & (ECHOE|ECHOK));
|
|
if (termios.c_lflag & ICANON) {
|
|
termios.c_cc[VMIN]= TMIN_DEF;
|
|
termios.c_cc[VTIME]= TTIME_DEF;
|
|
}
|
|
termios.c_cc[VEOF]= TEOF_DEF;
|
|
termios.c_cc[VEOL]= TEOL_DEF;
|
|
termios.c_cc[VERASE]= TERASE_DEF;
|
|
termios.c_cc[VINTR]= TINTR_DEF;
|
|
termios.c_cc[VKILL]= TKILL_DEF;
|
|
termios.c_cc[VQUIT]= TQUIT_DEF;
|
|
termios.c_cc[VSUSP]= TSUSP_DEF;
|
|
#ifdef __minix
|
|
termios.c_cc[VREPRINT]= TREPRINT_DEF;
|
|
termios.c_cc[VLNEXT]= TLNEXT_DEF;
|
|
termios.c_cc[VDISCARD]= TDISCARD_DEF;
|
|
#endif
|
|
termios.c_cc[VSTART]= TSTART_DEF;
|
|
termios.c_cc[VSTOP]= TSTOP_DEF;
|
|
if (!(termios.c_lflag & ICANON)) {
|
|
termios.c_cc[VMIN]= TMIN_DEF;
|
|
termios.c_cc[VTIME]= TTIME_DEF;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
#ifdef __minix
|
|
if (match(opt, "cols"))
|
|
{
|
|
num= strtol(next, &check, 0);
|
|
if (check[0] != '\0')
|
|
{
|
|
fprintf(stderr, "%s: illegal parameter to cols: '%s'\n",
|
|
prog_name, next);
|
|
return 1;
|
|
}
|
|
winsize.ws_col= num;
|
|
return 1;
|
|
}
|
|
|
|
if (match(opt, "rows"))
|
|
{
|
|
num= strtol(next, &check, 0);
|
|
if (check[0] != '\0')
|
|
{
|
|
fprintf(stderr, "%s: illegal parameter to rows: '%s'\n",
|
|
prog_name, next);
|
|
return 1;
|
|
}
|
|
winsize.ws_row= num;
|
|
return 1;
|
|
}
|
|
|
|
if (match(opt, "xpixels"))
|
|
{
|
|
num= strtol(next, &check, 0);
|
|
if (check[0] != '\0')
|
|
{
|
|
fprintf(stderr, "%s: illegal parameter to xpixels: '%s'\n",
|
|
prog_name, next);
|
|
return 1;
|
|
}
|
|
winsize.ws_xpixel= num;
|
|
return 1;
|
|
}
|
|
|
|
if (match(opt, "ypixels"))
|
|
{
|
|
num= strtol(next, &check, 0);
|
|
if (check[0] != '\0')
|
|
{
|
|
fprintf(stderr, "%s: illegal parameter to ypixels: '%s'\n",
|
|
prog_name, next);
|
|
return 1;
|
|
}
|
|
winsize.ws_ypixel= num;
|
|
return 1;
|
|
}
|
|
#endif /* __minix */
|
|
|
|
fprintf(stderr, "%s: unknown mode: %s\n", prog_name, opt);
|
|
return 0;
|
|
}
|
|
|
|
int match(s1, s2)
|
|
char *s1, *s2;
|
|
{
|
|
|
|
while (1) {
|
|
if (*s1 == 0 && *s2 == 0) return(1);
|
|
if (*s1 == 0 || *s2 == 0) return (0);
|
|
if (*s1 != *s2) return (0);
|
|
s1++;
|
|
s2++;
|
|
}
|
|
}
|
|
|
|
void prctl(c)
|
|
char c;
|
|
{
|
|
if (c < ' ')
|
|
printf("^%c", 'A' + c - 1);
|
|
else if (c == 0177)
|
|
printf("^?");
|
|
else
|
|
printf("%c", c);
|
|
}
|
|
|
|
struct s2s {
|
|
speed_t ts;
|
|
long ns;
|
|
} s2s[] = {
|
|
{ B0, 0 },
|
|
{ B50, 50 },
|
|
{ B75, 75 },
|
|
{ B110, 110 },
|
|
{ B134, 134 },
|
|
{ B150, 150 },
|
|
{ B200, 200 },
|
|
{ B300, 300 },
|
|
{ B600, 600 },
|
|
{ B1200, 1200 },
|
|
{ B1800, 1800 },
|
|
{ B2400, 2400 },
|
|
{ B4800, 4800 },
|
|
{ B9600, 9600 },
|
|
{ B19200, 19200 },
|
|
{ B38400, 38400 },
|
|
#ifdef __minix
|
|
{ B57600, 57600 },
|
|
{ B115200, 115200 },
|
|
#ifdef B230400
|
|
{ B230400, 230400 },
|
|
#endif
|
|
#ifdef B460800
|
|
{ B460800, 460800 },
|
|
#endif
|
|
#ifdef B921600
|
|
{ B921600, 921600 },
|
|
#endif
|
|
#endif
|
|
};
|
|
|
|
speed_t long2speed(num)
|
|
long num;
|
|
{
|
|
struct s2s *sp;
|
|
|
|
for (sp = s2s; sp < s2s + (sizeof(s2s) / sizeof(s2s[0])); sp++) {
|
|
if (sp->ns == num) return sp->ts;
|
|
}
|
|
return -1;
|
|
}
|
|
|
|
long speed2long(speed)
|
|
unsigned long speed;
|
|
{
|
|
struct s2s *sp;
|
|
|
|
for (sp = s2s; sp < s2s + (sizeof(s2s) / sizeof(s2s[0])); sp++) {
|
|
if (sp->ts == speed) return sp->ns;
|
|
}
|
|
return -1;
|
|
}
|
|
|
|
void print_flags(flags, flag, def, string, all)
|
|
unsigned long flags;
|
|
unsigned long flag;
|
|
unsigned long def;
|
|
char *string;
|
|
int all;
|
|
{
|
|
if (!(flags & flag))
|
|
{
|
|
if (all || (def & flag))
|
|
output(string);
|
|
return;
|
|
}
|
|
string++;
|
|
if (all || !(def & flag))
|
|
output(string);
|
|
}
|
|
|
|
void output(s)
|
|
char *s;
|
|
{
|
|
int len;
|
|
|
|
len= strlen(s);
|
|
if (column + len + 3 >= max_column)
|
|
{
|
|
printf("\n");
|
|
column= 0;
|
|
}
|
|
if (column)
|
|
{
|
|
putchar(' ');
|
|
column++;
|
|
}
|
|
fputs(s, stdout);
|
|
column += len;
|
|
}
|
|
|
|
void do_print_char(chr, def, name, all)
|
|
unsigned chr;
|
|
unsigned def;
|
|
char *name;
|
|
int all;
|
|
{
|
|
char line[20];
|
|
|
|
if (!all && chr == def)
|
|
return;
|
|
|
|
#ifdef _POSIX_VDISABLE
|
|
if (chr == _POSIX_VDISABLE)
|
|
sprintf(line, "%s = <undef>", name);
|
|
else
|
|
#endif
|
|
if (chr < ' ')
|
|
sprintf(line, "%s = ^%c", name, chr + '@');
|
|
else if (chr == 127)
|
|
sprintf(line, "%s = ^?", name);
|
|
else
|
|
sprintf(line, "%s = %c", name, chr);
|
|
output(line);
|
|
}
|
|
|
|
void do_print_num(num, def, name, all)
|
|
unsigned num;
|
|
unsigned def;
|
|
char *name;
|
|
int all;
|
|
{
|
|
char line[20];
|
|
|
|
if (!all && num == def)
|
|
return;
|
|
sprintf(line, "%s = %u", name, num);
|
|
output(line);
|
|
}
|
|
|
|
void set_saved_settings(opt)
|
|
char *opt;
|
|
{
|
|
long num;
|
|
char *check;
|
|
tcflag_t c_oflag, c_cflag, c_lflag, c_iflag;
|
|
cc_t c_cc[NCCS];
|
|
speed_t ispeed, ospeed;
|
|
int i;
|
|
|
|
check= opt;
|
|
num= strtol(check+1, &check, 16);
|
|
if (check[0] != ':')
|
|
{
|
|
fprintf(stderr, "error in saved settings '%s'\n", opt);
|
|
return;
|
|
}
|
|
c_iflag= num;
|
|
|
|
num= strtol(check+1, &check, 16);
|
|
if (check[0] != ':')
|
|
{
|
|
fprintf(stderr, "error in saved settings '%s'\n", opt);
|
|
return;
|
|
}
|
|
c_oflag= num;
|
|
|
|
num= strtol(check+1, &check, 16);
|
|
if (check[0] != ':')
|
|
{
|
|
fprintf(stderr, "error in saved settings '%s'\n", opt);
|
|
return;
|
|
}
|
|
c_cflag= num;
|
|
|
|
num= strtol(check+1, &check, 16);
|
|
if (check[0] != ':')
|
|
{
|
|
fprintf(stderr, "error in saved settings '%s'\n", opt);
|
|
return;
|
|
}
|
|
c_lflag= num;
|
|
|
|
num= strtol(check+1, &check, 16);
|
|
if (check[0] != ':')
|
|
{
|
|
fprintf(stderr, "error in saved settings '%s'\n", opt);
|
|
return;
|
|
}
|
|
ispeed= num;
|
|
|
|
num= strtol(check+1, &check, 16);
|
|
if (check[0] != ':')
|
|
{
|
|
fprintf(stderr, "error in saved settings '%s'\n", opt);
|
|
return;
|
|
}
|
|
ospeed= num;
|
|
|
|
for(i=0; i<NCCS; i++)
|
|
{
|
|
num= strtol(check+1, &check, 16);
|
|
if (check[0] != ':')
|
|
{
|
|
fprintf(stderr, "error in saved settings '%s'\n", opt);
|
|
return;
|
|
}
|
|
c_cc[i]= num;
|
|
}
|
|
if (check[1] != '\0')
|
|
{
|
|
fprintf(stderr, "error in saved settings '%s'\n", opt);
|
|
return;
|
|
}
|
|
termios.c_iflag= c_iflag;
|
|
termios.c_oflag= c_oflag;
|
|
termios.c_cflag= c_cflag;
|
|
termios.c_lflag= c_lflag;
|
|
|
|
cfsetispeed(&termios, ispeed);
|
|
cfsetospeed(&termios, ospeed);
|
|
|
|
for(i=0; i<NCCS; i++)
|
|
termios.c_cc[i]= c_cc[i];
|
|
}
|
|
|
|
void set_control(option, value)
|
|
int option;
|
|
char *value;
|
|
{
|
|
int chr;
|
|
|
|
if (match(value, "undef") || match(value, "^-")) {
|
|
#ifdef _POSIX_VDISABLE
|
|
chr= _POSIX_VDISABLE;
|
|
#else
|
|
fprintf(stderr,
|
|
"stty: unable to set option to _POSIX_VDISABLE\n");
|
|
return;
|
|
#endif
|
|
} else if (match(value, "^?"))
|
|
chr= '\177';
|
|
else if (strlen(value) == 2 && value[0] == '^') {
|
|
chr= toupper(value[1]) - '@';
|
|
if (chr < 0 || chr >= 32) {
|
|
fprintf(stderr, "stty: illegal option value: '%s'\n",
|
|
value);
|
|
return;
|
|
}
|
|
} else if (strlen(value) == 1)
|
|
chr= value[0];
|
|
else {
|
|
fprintf(stderr, "stty: illegal option value: '%s'\n", value);
|
|
return;
|
|
}
|
|
|
|
assert(option >= 0 && option < NCCS);
|
|
termios.c_cc[option]= chr;
|
|
}
|
|
|
|
void set_min_tim(option, value)
|
|
int option;
|
|
char *value;
|
|
{
|
|
long num;
|
|
char *check;
|
|
|
|
num= strtol(value, &check, 0);
|
|
if (check[0] != '\0') {
|
|
fprintf(stderr, "stty: illegal option value: '%s'\n", value);
|
|
return;
|
|
}
|
|
|
|
if ((cc_t)num != num) {
|
|
fprintf(stderr, "stty: illegal option value: '%s'\n", value);
|
|
return;
|
|
}
|
|
assert(option >= 0 && option < NCCS);
|
|
termios.c_cc[option]= num;
|
|
}
|
|
|
|
/*
|
|
* $PchId: stty.c,v 1.7 2001/05/02 15:04:42 philip Exp $
|
|
*/
|