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      1 /* $NetBSD: gfmt.c,v 1.17 2011/08/29 14:51:19 joerg 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. Neither the name of the University nor the names of its contributors
     16  *    may be used to endorse or promote products derived from this software
     17  *    without specific prior written permission.
     18  *
     19  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     20  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     21  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     22  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     23  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     24  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     25  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     26  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     27  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     28  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     29  * SUCH DAMAGE.
     30  */
     31 
     32 #include <sys/cdefs.h>
     33 #ifndef lint
     34 #if 0
     35 static char sccsid[] = "@(#)gfmt.c	8.6 (Berkeley) 4/2/94";
     36 #else
     37 __RCSID("$NetBSD: gfmt.c,v 1.17 2011/08/29 14:51:19 joerg Exp $");
     38 #endif
     39 #endif /* not lint */
     40 
     41 #include <sys/param.h>
     42 
     43 #include <err.h>
     44 #include <stdio.h>
     45 #include <string.h>
     46 
     47 #include "stty.h"
     48 #include "extern.h"
     49 
     50 __dead static void gerr(char *);
     51 
     52 static void
     53 gerr(char *s)
     54 {
     55 	if (s)
     56 		errx(1, "illegal gfmt1 option -- %s", s);
     57 	else
     58 		errx(1, "illegal gfmt1 option");
     59 }
     60 
     61 void
     62 gprint(struct termios *tp)
     63 {
     64 	const struct cchar *cp;
     65 
     66 	(void)printf("gfmt1:cflag=%x:iflag=%x:lflag=%x:oflag=%x:",
     67 	    tp->c_cflag, tp->c_iflag, tp->c_lflag, tp->c_oflag);
     68 	for (cp = cchars1; cp->name; ++cp)
     69 		(void)printf("%s=%x:", cp->name, tp->c_cc[cp->sub]);
     70 	(void)printf("ispeed=%d:ospeed=%d\n", cfgetispeed(tp), cfgetospeed(tp));
     71 }
     72 
     73 void
     74 gread(struct termios *tp, char *s)
     75 {
     76 	const struct cchar *cp;
     77 	char *ep, *p;
     78 	long tmp;
     79 
     80 	if ((s = strchr(s, ':')) == NULL)
     81 		gerr(NULL);
     82 	for (++s; s != NULL;) {
     83 		p = strsep(&s, ":\0");
     84 		if (!p || !*p)
     85 			break;
     86 		if (!(ep = strchr(p, '=')))
     87 			gerr(p);
     88 		*ep++ = '\0';
     89 		(void)sscanf(ep, "%lx", &tmp);
     90 
     91 #define	CHK(s)	(*p == s[0] && !strcmp(p, s))
     92 		if (CHK("cflag")) {
     93 			tp->c_cflag = tmp;
     94 			continue;
     95 		}
     96 		if (CHK("iflag")) {
     97 			tp->c_iflag = tmp;
     98 			continue;
     99 		}
    100 #ifdef BSD4_4
    101 		if (CHK("ispeed")) {
    102 			(void)sscanf(ep, "%ld", &tmp);
    103 			tp->c_ispeed = tmp;
    104 			continue;
    105 		}
    106 #endif
    107 		if (CHK("lflag")) {
    108 			tp->c_lflag = tmp;
    109 			continue;
    110 		}
    111 		if (CHK("oflag")) {
    112 			tp->c_oflag = tmp;
    113 			continue;
    114 		}
    115 #ifdef BSD4_4
    116 		if (CHK("ospeed")) {
    117 			(void)sscanf(ep, "%ld", &tmp);
    118 			tp->c_ospeed = tmp;
    119 			continue;
    120 		}
    121 #endif
    122 		for (cp = cchars1; cp->name != NULL; ++cp)
    123 			if (CHK(cp->name)) {
    124 				if (cp->sub == VMIN || cp->sub == VTIME)
    125 					(void)sscanf(ep, "%ld", &tmp);
    126 				tp->c_cc[cp->sub] = tmp;
    127 				break;
    128 			}
    129 		if (cp->name == NULL)
    130 			gerr(p);
    131 	}
    132 }
    133