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. 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  * @(#)gfmt.c   8.6 (Berkeley) 4/2/94
  34  * $FreeBSD: src/bin/stty/gfmt.c,v 1.10.2.2 2001/08/01 05:26:12 obrien Exp $
  35  * $DragonFly: src/bin/stty/gfmt.c,v 1.5 2004/11/07 20:54:52 eirikn Exp $
  36  */
  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 gerr (const char *s);
  48
  49 static void
  50 gerr(const char *s)
  51 {
  52         if (s)
  53                 errx(1, "illegal gfmt1 option -- %s", s);
  54         else
  55                 errx(1, "illegal gfmt1 option");
  56 }
  57
  58 void
  59 gprint(struct termios *tp, struct winsize *wp __unused, int ldisc __unused)
  60 {
  61         struct cchar *cp;
  62
  63         printf("gfmt1:cflag=%lx:iflag=%lx:lflag=%lx:oflag=%lx:",
  64             (u_long)tp->c_cflag, (u_long)tp->c_iflag, (u_long)tp->c_lflag,
  65             (u_long)tp->c_oflag);
  66         for (cp = cchars1; cp->name; ++cp)
  67                 printf("%s=%x:", cp->name, tp->c_cc[cp->sub]);
  68         printf("ispeed=%lu:ospeed=%lu\n",
  69             (u_long)cfgetispeed(tp), (u_long)cfgetospeed(tp));
  70 }
  71
  72 void
  73 gread(struct termios *tp, char *s)
  74 {
  75         struct cchar *cp;
  76         char *ep, *p;
  77         long tmp;
  78
  79         if ((s = strchr(s, ':')) == NULL)
  80                 gerr(NULL);
  81         for (++s; s != NULL;) {
  82                 p = strsep(&s, ":\0");
  83                 if (!p || !*p)
  84                         break;
  85                 if (!(ep = strchr(p, '=')))
  86                         gerr(p);
  87                 *ep++ = '\0';
  88                 sscanf(ep, "%lx", &tmp);
  89
  90 #define CHK(s)  (*p == s[0] && !strcmp(p, s))
  91                 if (CHK("cflag")) {
  92                         tp->c_cflag = tmp;
  93                         continue;
  94                 }
  95                 if (CHK("iflag")) {
  96                         tp->c_iflag = tmp;
  97                         continue;
  98                 }
  99                 if (CHK("ispeed")) {
 100                         sscanf(ep, "%ld", &tmp);
 101                         tp->c_ispeed = tmp;
 102                         continue;
 103                 }
 104                 if (CHK("lflag")) {
 105                         tp->c_lflag = tmp;
 106                         continue;
 107                 }
 108                 if (CHK("oflag")) {
 109                         tp->c_oflag = tmp;
 110                         continue;
 111                 }
 112                 if (CHK("ospeed")) {
 113                         sscanf(ep, "%ld", &tmp);
 114                         tp->c_ospeed = tmp;
 115                         continue;
 116                 }
 117                 for (cp = cchars1; cp->name != NULL; ++cp)
 118                         if (CHK(cp->name)) {
 119                                 if (cp->sub == VMIN || cp->sub == VTIME)
 120                                         sscanf(ep, "%ld", &tmp);
 121                                 tp->c_cc[cp->sub] = tmp;
 122                                 break;
 123                         }
 124                 if (cp->name == NULL)
 125                         gerr(p);
 126         }
 127 }