bin/stty/gfmt.c

   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. Neither the name of the University nor the names of its contributors
  14  *    may be used to endorse or promote products derived from this software
  15  *    without specific prior written permission.
  16  *
  17  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  18  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  19  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  20  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  21  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  22  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  23  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  24  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  25  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  26  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  27  * SUCH DAMAGE.
  28  *
  29  * @(#)gfmt.c   8.6 (Berkeley) 4/2/94
  30  * $FreeBSD: src/bin/stty/gfmt.c,v 1.10.2.2 2001/08/01 05:26:12 obrien Exp $
  31  * $DragonFly: src/bin/stty/gfmt.c,v 1.5 2004/11/07 20:54:52 eirikn Exp $
  32  */
  33
  34 #include <sys/types.h>
  35
  36 #include <err.h>
  37 #include <stdio.h>
  38 #include <string.h>
  39
  40 #include "stty.h"
  41 #include "extern.h"
  42
  43 static void gerr (const char *s);
  44
  45 static void
  46 gerr(const char *s)
  47 {
  48         if (s)
  49                 errx(1, "illegal gfmt1 option -- %s", s);
  50         else
  51                 errx(1, "illegal gfmt1 option");
  52 }
  53
  54 void
  55 gprint(struct termios *tp, struct winsize *wp __unused, int ldisc __unused)
  56 {
  57         struct cchar *cp;
  58
  59         printf("gfmt1:cflag=%lx:iflag=%lx:lflag=%lx:oflag=%lx:",
  60             (u_long)tp->c_cflag, (u_long)tp->c_iflag, (u_long)tp->c_lflag,
  61             (u_long)tp->c_oflag);
  62         for (cp = cchars1; cp->name; ++cp)
  63                 printf("%s=%x:", cp->name, tp->c_cc[cp->sub]);
  64         printf("ispeed=%lu:ospeed=%lu\n",
  65             (u_long)cfgetispeed(tp), (u_long)cfgetospeed(tp));
  66 }
  67
  68 void
  69 gread(struct termios *tp, char *s)
  70 {
  71         struct cchar *cp;
  72         char *ep, *p;
  73         long tmp;
  74
  75         if ((s = strchr(s, ':')) == NULL)
  76                 gerr(NULL);
  77         for (++s; s != NULL;) {
  78                 p = strsep(&s, ":\0");
  79                 if (!p || !*p)
  80                         break;
  81                 if (!(ep = strchr(p, '=')))
  82                         gerr(p);
  83                 *ep++ = '\0';
  84                 sscanf(ep, "%lx", &tmp);
  85
  86 #define CHK(s)  (*p == s[0] && !strcmp(p, s))
  87                 if (CHK("cflag")) {
  88                         tp->c_cflag = tmp;
  89                         continue;
  90                 }
  91                 if (CHK("iflag")) {
  92                         tp->c_iflag = tmp;
  93                         continue;
  94                 }
  95                 if (CHK("ispeed")) {
  96                         sscanf(ep, "%ld", &tmp);
  97                         tp->c_ispeed = tmp;
  98                         continue;
  99                 }
 100                 if (CHK("lflag")) {
 101                         tp->c_lflag = tmp;
 102                         continue;
 103                 }
 104                 if (CHK("oflag")) {
 105                         tp->c_oflag = tmp;
 106                         continue;
 107                 }
 108                 if (CHK("ospeed")) {
 109                         sscanf(ep, "%ld", &tmp);
 110                         tp->c_ospeed = tmp;
 111                         continue;
 112                 }
 113                 for (cp = cchars1; cp->name != NULL; ++cp)
 114                         if (CHK(cp->name)) {
 115                                 if (cp->sub == VMIN || cp->sub == VTIME)
 116                                         sscanf(ep, "%ld", &tmp);
 117                                 tp->c_cc[cp->sub] = tmp;
 118                                 break;
 119                         }
 120                 if (cp->name == NULL)
 121                         gerr(p);
 122         }
 123 }