prettyness police

[unix-history] / usr / src / bin / stty / gfmt.c

/*-
* Copyright (c) 1991, 1993
*      The Regents of the University of California.  All rights reserved.
*
* %sccs.include.redist.c%
*/

#ifndef lint
static char sccsid[] = "@(#)gfmt.c      8.5 (Berkeley) %G%";
#endif /* not lint */

#include <sys/types.h>

#include <err.h>
#include <stdio.h>
#include <string.h>

#include "stty.h"
#include "extern.h"

static void
gerr(s)
       char *s;
{
       if (s)
               errx(1, "illegal gfmt1 option -- %s", s);
       else
               errx(1, "illegal gfmt1 option");
}

void
gprint(tp, wp, ldisc)
       struct termios *tp;
       struct winsize *wp;
       int ldisc;
{
       struct cchar *cp;

       (void)printf("gfmt1:cflag=%x:iflag=%x:lflag=%x:oflag=%x:",
           tp->c_cflag, tp->c_iflag, tp->c_lflag, tp->c_oflag);
       for (cp = cchars1; cp->name; ++cp)
               (void)printf("%s=%x:", cp->name, tp->c_cc[cp->sub]);
       (void)printf("ispeed=%d:ospeed=%d\n", cfgetispeed(tp), cfgetospeed(tp));
}

void
gread(tp, s) 
       struct termios *tp;
       char *s;
{
       struct cchar *cp;
       char *ep, *p;
       long tmp;

       if ((s = strchr(s, ':')) == NULL)
               gerr(NULL);
       for (++s; s != NULL;) {
               p = strsep(&s, ":\0");
               if (!p || !*p)
                       break;
               if (!(ep = strchr(p, '=')))
                       gerr(p);
               *ep++ = '\0';
               (void)sscanf(ep, "%lx", &tmp);

#define CHK(s)  (*p == s[0] && !strcmp(p, s))
               if (CHK("cflag")) {
                       tp->c_cflag = tmp;
                       continue;
               }
               if (CHK("iflag")) {
                       tp->c_iflag = tmp;
                       continue;
               }
               if (CHK("ispeed")) {
                       (void)sscanf(ep, "%ld", &tmp);
                       tp->c_ispeed = tmp;
                       continue;
               }
               if (CHK("lflag")) {
                       tp->c_lflag = tmp;
                       continue;
               }
               if (CHK("oflag")) {
                       tp->c_oflag = tmp;
                       continue;
               }
               if (CHK("ospeed")) {
                       (void)sscanf(ep, "%ld", &tmp);
                       tp->c_ospeed = tmp;
                       continue;
               }
               for (cp = cchars1; cp->name != NULL; ++cp)
                       if (CHK(cp->name)) {
                               if (cp->sub == VMIN || cp->sub == VTIME)
                                       (void)sscanf(ep, "%ld", &tmp);
                               tp->c_cc[cp->sub] = tmp;
                               break;
                       }
               if (cp->name == NULL)
                       gerr(p);
       }
}