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gfmt.c revision 1.11 
      1 /*	$NetBSD: gfmt.c,v 1.11 1997/07/20 21:31:24 christos Exp $	*/
      2 
      3 /*-
      4  * Copyright (c) 1991, 1993, 1994
      5  *	The Regents of the University of California.  All rights reserved.
      6  *
      7  * Redistribution and use in source and binary forms, with or without
      8  * modification, are permitted provided that the following conditions
      9  * are met:
     10  * 1. Redistributions of source code must retain the above copyright
     11  *    notice, this list of conditions and the following disclaimer.
     12  * 2. Redistributions in binary form must reproduce the above copyright
     13  *    notice, this list of conditions and the following disclaimer in the
     14  *    documentation and/or other materials provided with the distribution.
     15  * 3. All advertising materials mentioning features or use of this software
     16  *    must display the following acknowledgement:
     17  *	This product includes software developed by the University of
     18  *	California, Berkeley and its contributors.
     19  * 4. Neither the name of the University nor the names of its contributors
     20  *    may be used to endorse or promote products derived from this software
     21  *    without specific prior written permission.
     22  *
     23  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     24  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     25  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     26  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     27  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     28  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     29  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     30  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     31  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     32  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     33  * SUCH DAMAGE.
     34  */
     35 
     36 #include <sys/cdefs.h>
     37 #ifndef lint
     38 #if 0
     39 static char sccsid[] = "@(#)gfmt.c	8.6 (Berkeley) 4/2/94";
     40 #else
     41 __RCSID("$NetBSD: gfmt.c,v 1.11 1997/07/20 21:31:24 christos Exp $");
     42 #endif
     43 #endif /* not lint */
     44 
     45 #include <sys/types.h>
     46 
     47 #include <err.h>
     48 #include <stdio.h>
     49 #include <string.h>
     50 
     51 #include "stty.h"
     52 #include "extern.h"
     53 
     54 static void gerr __P((char *));
     55 
     56 static void
     57 gerr(s)
     58 	char *s;
     59 {
     60 	if (s)
     61 		errx(1, "illegal gfmt1 option -- %s", s);
     62 	else
     63 		errx(1, "illegal gfmt1 option");
     64 }
     65 
     66 void
     67 gprint(tp, wp, ldisc)
     68 	struct termios *tp;
     69 	struct winsize *wp;
     70 	int ldisc;
     71 {
     72 	const struct cchar *cp;
     73 
     74 	(void)printf("gfmt1:cflag=%x:iflag=%x:lflag=%x:oflag=%x:",
     75 	    tp->c_cflag, tp->c_iflag, tp->c_lflag, tp->c_oflag);
     76 	for (cp = cchars1; cp->name; ++cp)
     77 		(void)printf("%s=%x:", cp->name, tp->c_cc[cp->sub]);
     78 	(void)printf("ispeed=%d:ospeed=%d\n", cfgetispeed(tp), cfgetospeed(tp));
     79 }
     80 
     81 void
     82 gread(tp, s)
     83 	struct termios *tp;
     84 	char *s;
     85 {
     86 	const struct cchar *cp;
     87 	char *ep, *p;
     88 	long tmp;
     89 
     90 	if ((s = strchr(s, ':')) == NULL)
     91 		gerr(NULL);
     92 	for (++s; s != NULL;) {
     93 		p = strsep(&s, ":\0");
     94 		if (!p || !*p)
     95 			break;
     96 		if (!(ep = strchr(p, '=')))
     97 			gerr(p);
     98 		*ep++ = '\0';
     99 		(void)sscanf(ep, "%lx", &tmp);
    100 
    101 #define	CHK(s)	(*p == s[0] && !strcmp(p, s))
    102 		if (CHK("cflag")) {
    103 			tp->c_cflag = tmp;
    104 			continue;
    105 		}
    106 		if (CHK("iflag")) {
    107 			tp->c_iflag = tmp;
    108 			continue;
    109 		}
    110 		if (CHK("ispeed")) {
    111 			(void)sscanf(ep, "%ld", &tmp);
    112 			tp->c_ispeed = tmp;
    113 			continue;
    114 		}
    115 		if (CHK("lflag")) {
    116 			tp->c_lflag = tmp;
    117 			continue;
    118 		}
    119 		if (CHK("oflag")) {
    120 			tp->c_oflag = tmp;
    121 			continue;
    122 		}
    123 		if (CHK("ospeed")) {
    124 			(void)sscanf(ep, "%ld", &tmp);
    125 			tp->c_ospeed = tmp;
    126 			continue;
    127 		}
    128 		for (cp = cchars1; cp->name != NULL; ++cp)
    129 			if (CHK(cp->name)) {
    130 				if (cp->sub == VMIN || cp->sub == VTIME)
    131 					(void)sscanf(ep, "%ld", &tmp);
    132 				tp->c_cc[cp->sub] = tmp;
    133 				break;
    134 			}
    135 		if (cp->name == NULL)
    136 			gerr(p);
    137 	}
    138 }
    139