mirror of
https://git.hardenedbsd.org/hardenedbsd/HardenedBSD.git
synced 2024-12-30 15:38:06 +01:00
143 lines
4.2 KiB
C
143 lines
4.2 KiB
C
/*-
|
|
* Copyright (c) 1991, 1993, 1994
|
|
* The Regents of the University of California. All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
* 3. All advertising materials mentioning features or use of this software
|
|
* must display the following acknowledgement:
|
|
* This product includes software developed by the University of
|
|
* California, Berkeley and its contributors.
|
|
* 4. Neither the name of the University nor the names of its contributors
|
|
* may be used to endorse or promote products derived from this software
|
|
* without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
|
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
* SUCH DAMAGE.
|
|
*
|
|
* $Id$
|
|
*/
|
|
|
|
#ifndef lint
|
|
static char const sccsid[] = "@(#)cchar.c 8.5 (Berkeley) 4/2/94";
|
|
#endif /* not lint */
|
|
|
|
#include <sys/types.h>
|
|
|
|
#include <err.h>
|
|
#include <limits.h>
|
|
#include <stddef.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
|
|
#include "stty.h"
|
|
#include "extern.h"
|
|
|
|
/*
|
|
* Special control characters.
|
|
*
|
|
* Cchars1 are the standard names, cchars2 are the old aliases.
|
|
* The first are displayed, but both are recognized on the
|
|
* command line.
|
|
*/
|
|
struct cchar cchars1[] = {
|
|
{ "discard", VDISCARD, CDISCARD },
|
|
{ "dsusp", VDSUSP, CDSUSP },
|
|
{ "eof", VEOF, CEOF },
|
|
{ "eol", VEOL, CEOL },
|
|
{ "eol2", VEOL2, CEOL },
|
|
{ "erase", VERASE, CERASE },
|
|
{ "intr", VINTR, CINTR },
|
|
{ "kill", VKILL, CKILL },
|
|
{ "lnext", VLNEXT, CLNEXT },
|
|
{ "min", VMIN, CMIN },
|
|
{ "quit", VQUIT, CQUIT },
|
|
{ "reprint", VREPRINT, CREPRINT },
|
|
{ "start", VSTART, CSTART },
|
|
{ "status", VSTATUS, CSTATUS },
|
|
{ "stop", VSTOP, CSTOP },
|
|
{ "susp", VSUSP, CSUSP },
|
|
{ "time", VTIME, CTIME },
|
|
{ "werase", VWERASE, CWERASE },
|
|
{ NULL },
|
|
};
|
|
|
|
struct cchar cchars2[] = {
|
|
{ "brk", VEOL, CEOL },
|
|
{ "flush", VDISCARD, CDISCARD },
|
|
{ "rprnt", VREPRINT, CREPRINT },
|
|
{ NULL },
|
|
};
|
|
|
|
static int
|
|
c_cchar(a, b)
|
|
const void *a, *b;
|
|
{
|
|
|
|
return (strcmp(((struct cchar *)a)->name, ((struct cchar *)b)->name));
|
|
}
|
|
|
|
int
|
|
csearch(argvp, ip)
|
|
char ***argvp;
|
|
struct info *ip;
|
|
{
|
|
struct cchar *cp, tmp;
|
|
long val;
|
|
char *arg, *ep, *name;
|
|
|
|
name = **argvp;
|
|
|
|
tmp.name = name;
|
|
if (!(cp = (struct cchar *)bsearch(&tmp, cchars1,
|
|
sizeof(cchars1)/sizeof(struct cchar) - 1, sizeof(struct cchar),
|
|
c_cchar)) && !(cp = (struct cchar *)bsearch(&tmp, cchars2,
|
|
sizeof(cchars2)/sizeof(struct cchar) - 1, sizeof(struct cchar),
|
|
c_cchar)))
|
|
return (0);
|
|
|
|
arg = *++*argvp;
|
|
if (!arg) {
|
|
warnx("option requires an argument -- %s", name);
|
|
usage();
|
|
}
|
|
|
|
#define CHK(s) (*arg == s[0] && !strcmp(arg, s))
|
|
if (CHK("undef") || CHK("<undef>"))
|
|
ip->t.c_cc[cp->sub] = _POSIX_VDISABLE;
|
|
else if (cp->sub == VMIN || cp->sub == VTIME) {
|
|
val = strtol(arg, &ep, 10);
|
|
if (val > UCHAR_MAX) {
|
|
warnx("maximum option value is %d -- %s",
|
|
UCHAR_MAX, name);
|
|
usage();
|
|
}
|
|
if (*ep != '\0') {
|
|
warnx("option requires a numeric argument -- %s", name);
|
|
usage();
|
|
}
|
|
ip->t.c_cc[cp->sub] = val;
|
|
} else if (arg[0] == '^')
|
|
ip->t.c_cc[cp->sub] = (arg[1] == '?') ? 0177 :
|
|
(arg[1] == '-') ? _POSIX_VDISABLE : arg[1] & 037;
|
|
else
|
|
ip->t.c_cc[cp->sub] = arg[0];
|
|
ip->set = 1;
|
|
return (1);
|
|
}
|