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gfmt.c revision 1.1.1.2
      1 /*-
      2  * Copyright (c) 1991, 1993, 1994
      3  *	The Regents of the University of California.  All rights reserved.
      4  *
      5  * Redistribution and use in source and binary forms, with or without
      6  * modification, are permitted provided that the following conditions
      7  * are met:
      8  * 1. Redistributions of source code must retain the above copyright
      9  *    notice, this list of conditions and the following disclaimer.
     10  * 2. Redistributions in binary form must reproduce the above copyright
     11  *    notice, this list of conditions and the following disclaimer in the
     12  *    documentation and/or other materials provided with the distribution.
     13  * 3. All advertising materials mentioning features or use of this software
     14  *    must display the following acknowledgement:
     15  *	This product includes software developed by the University of
     16  *	California, Berkeley and its contributors.
     17  * 4. Neither the name of the University nor the names of its contributors
     18  *    may be used to endorse or promote products derived from this software
     19  *    without specific prior written permission.
     20  *
     21  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     22  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     23  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     24  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     25  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     26  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     27  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     28  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     29  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     30  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     31  * SUCH DAMAGE.
     32  */
     33 
     34 #ifndef lint
     35 static char sccsid[] = "@(#)gfmt.c	8.6 (Berkeley) 4/2/94";
     36 #endif /* not lint */
     37 
     38 #include <sys/types.h>
     39 
     40 #include <err.h>
     41 #include <stdio.h>
     42 #include <string.h>
     43 
     44 #include "stty.h"
     45 #include "extern.h"
     46 
     47 static void
     48 gerr(s)
     49 	char *s;
     50 {
     51 	if (s)
     52 		errx(1, "illegal gfmt1 option -- %s", s);
     53 	else
     54 		errx(1, "illegal gfmt1 option");
     55 }
     56 
     57 void
     58 gprint(tp, wp, ldisc)
     59 	struct termios *tp;
     60 	struct winsize *wp;
     61 	int ldisc;
     62 {
     63 	struct cchar *cp;
     64 
     65 	(void)printf("gfmt1:cflag=%x:iflag=%x:lflag=%x:oflag=%x:",
     66 	    tp->c_cflag, tp->c_iflag, tp->c_lflag, tp->c_oflag);
     67 	for (cp = cchars1; cp->name; ++cp)
     68 		(void)printf("%s=%x:", cp->name, tp->c_cc[cp->sub]);
     69 	(void)printf("ispeed=%d:ospeed=%d\n", cfgetispeed(tp), cfgetospeed(tp));
     70 }
     71 
     72 void
     73 gread(tp, s)
     74 	struct termios *tp;
     75 	char *s;
     76 {
     77 	struct cchar *cp;
     78 	char *ep, *p;
     79 	long tmp;
     80 
     81 	if ((s = strchr(s, ':')) == NULL)
     82 		gerr(NULL);
     83 	for (++s; s != NULL;) {
     84 		p = strsep(&s, ":\0");
     85 		if (!p || !*p)
     86 			break;
     87 		if (!(ep = strchr(p, '=')))
     88 			gerr(p);
     89 		*ep++ = '\0';
     90 		(void)sscanf(ep, "%lx", &tmp);
     91 
     92 #define	CHK(s)	(*p == s[0] && !strcmp(p, s))
     93 		if (CHK("cflag")) {
     94 			tp->c_cflag = tmp;
     95 			continue;
     96 		}
     97 		if (CHK("iflag")) {
     98 			tp->c_iflag = tmp;
     99 			continue;
    100 		}
    101 		if (CHK("ispeed")) {
    102 			(void)sscanf(ep, "%ld", &tmp);
    103 			tp->c_ispeed = tmp;
    104 			continue;
    105 		}
    106 		if (CHK("lflag")) {
    107 			tp->c_lflag = tmp;
    108 			continue;
    109 		}
    110 		if (CHK("oflag")) {
    111 			tp->c_oflag = tmp;
    112 			continue;
    113 		}
    114 		if (CHK("ospeed")) {
    115 			(void)sscanf(ep, "%ld", &tmp);
    116 			tp->c_ospeed = tmp;
    117 			continue;
    118 		}
    119 		for (cp = cchars1; cp->name != NULL; ++cp)
    120 			if (CHK(cp->name)) {
    121 				if (cp->sub == VMIN || cp->sub == VTIME)
    122 					(void)sscanf(ep, "%ld", &tmp);
    123 				tp->c_cc[cp->sub] = tmp;
    124 				break;
    125 			}
    126 		if (cp->name == NULL)
    127 			gerr(p);
    128 	}
    129 }
    130