Deleted Added
full compact
cchar.c (76810) cchar.c (90111)
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#if 0
36static char sccsid[] = "@(#)cchar.c 8.5 (Berkeley) 4/2/94";
37#endif
38static const char rcsid[] =
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#if 0
36static char sccsid[] = "@(#)cchar.c 8.5 (Berkeley) 4/2/94";
37#endif
38static const char rcsid[] =
39 "$FreeBSD: head/bin/stty/cchar.c 76810 2001-05-18 11:04:19Z kris $";
39 "$FreeBSD: head/bin/stty/cchar.c 90111 2002-02-02 06:50:57Z imp $";
40#endif /* not lint */
41
42#include <sys/types.h>
43
44#include <err.h>
45#include <limits.h>
46#include <stddef.h>
47#include <stdlib.h>
48#include <string.h>
49
50#include "stty.h"
51#include "extern.h"
52
40#endif /* not lint */
41
42#include <sys/types.h>
43
44#include <err.h>
45#include <limits.h>
46#include <stddef.h>
47#include <stdlib.h>
48#include <string.h>
49
50#include "stty.h"
51#include "extern.h"
52
53static int c_cchar __P((const void *, const void *));
53static int c_cchar(const void *, const void *);
54
55/*
56 * Special control characters.
57 *
58 * Cchars1 are the standard names, cchars2 are the old aliases.
59 * The first are displayed, but both are recognized on the
60 * command line.
61 */
62struct cchar cchars1[] = {
63 { "discard", VDISCARD, CDISCARD },
64 { "dsusp", VDSUSP, CDSUSP },
65 { "eof", VEOF, CEOF },
66 { "eol", VEOL, CEOL },
67 { "eol2", VEOL2, CEOL },
68 { "erase", VERASE, CERASE },
69 { "erase2", VERASE2, CERASE2 },
70 { "intr", VINTR, CINTR },
71 { "kill", VKILL, CKILL },
72 { "lnext", VLNEXT, CLNEXT },
73 { "min", VMIN, CMIN },
74 { "quit", VQUIT, CQUIT },
75 { "reprint", VREPRINT, CREPRINT },
76 { "start", VSTART, CSTART },
77 { "status", VSTATUS, CSTATUS },
78 { "stop", VSTOP, CSTOP },
79 { "susp", VSUSP, CSUSP },
80 { "time", VTIME, CTIME },
81 { "werase", VWERASE, CWERASE },
82 { NULL, 0, 0},
83};
84
85struct cchar cchars2[] = {
86 { "brk", VEOL, CEOL },
87 { "flush", VDISCARD, CDISCARD },
88 { "rprnt", VREPRINT, CREPRINT },
89 { NULL, 0, 0 },
90};
91
92static int
54
55/*
56 * Special control characters.
57 *
58 * Cchars1 are the standard names, cchars2 are the old aliases.
59 * The first are displayed, but both are recognized on the
60 * command line.
61 */
62struct cchar cchars1[] = {
63 { "discard", VDISCARD, CDISCARD },
64 { "dsusp", VDSUSP, CDSUSP },
65 { "eof", VEOF, CEOF },
66 { "eol", VEOL, CEOL },
67 { "eol2", VEOL2, CEOL },
68 { "erase", VERASE, CERASE },
69 { "erase2", VERASE2, CERASE2 },
70 { "intr", VINTR, CINTR },
71 { "kill", VKILL, CKILL },
72 { "lnext", VLNEXT, CLNEXT },
73 { "min", VMIN, CMIN },
74 { "quit", VQUIT, CQUIT },
75 { "reprint", VREPRINT, CREPRINT },
76 { "start", VSTART, CSTART },
77 { "status", VSTATUS, CSTATUS },
78 { "stop", VSTOP, CSTOP },
79 { "susp", VSUSP, CSUSP },
80 { "time", VTIME, CTIME },
81 { "werase", VWERASE, CWERASE },
82 { NULL, 0, 0},
83};
84
85struct cchar cchars2[] = {
86 { "brk", VEOL, CEOL },
87 { "flush", VDISCARD, CDISCARD },
88 { "rprnt", VREPRINT, CREPRINT },
89 { NULL, 0, 0 },
90};
91
92static int
93c_cchar(a, b)
94 const void *a, *b;
93c_cchar(const void *a, const void *b)
95{
96
97 return (strcmp(((const struct cchar *)a)->name, ((const struct cchar *)b)->name));
98}
99
100int
94{
95
96 return (strcmp(((const struct cchar *)a)->name, ((const struct cchar *)b)->name));
97}
98
99int
101csearch(argvp, ip)
102 char ***argvp;
103 struct info *ip;
100csearch(char ***argvp, struct info *ip)
104{
105 struct cchar *cp, tmp;
106 long val;
107 char *arg, *ep, *name;
108
109 name = **argvp;
110
111 tmp.name = name;
112 if (!(cp = (struct cchar *)bsearch(&tmp, cchars1,
113 sizeof(cchars1)/sizeof(struct cchar) - 1, sizeof(struct cchar),
114 c_cchar)) && !(cp = (struct cchar *)bsearch(&tmp, cchars2,
115 sizeof(cchars2)/sizeof(struct cchar) - 1, sizeof(struct cchar),
116 c_cchar)))
117 return (0);
118
119 arg = *++*argvp;
120 if (!arg) {
121 warnx("option requires an argument -- %s", name);
122 usage();
123 }
124
125#define CHK(s) (*arg == s[0] && !strcmp(arg, s))
126 if (CHK("undef") || CHK("<undef>"))
127 ip->t.c_cc[cp->sub] = _POSIX_VDISABLE;
128 else if (cp->sub == VMIN || cp->sub == VTIME) {
129 val = strtol(arg, &ep, 10);
130 if (val > UCHAR_MAX) {
131 warnx("maximum option value is %d -- %s",
132 UCHAR_MAX, name);
133 usage();
134 }
135 if (*ep != '\0') {
136 warnx("option requires a numeric argument -- %s", name);
137 usage();
138 }
139 ip->t.c_cc[cp->sub] = val;
140 } else if (arg[0] == '^')
141 ip->t.c_cc[cp->sub] = (arg[1] == '?') ? 0177 :
142 (arg[1] == '-') ? _POSIX_VDISABLE : arg[1] & 037;
143 else
144 ip->t.c_cc[cp->sub] = arg[0];
145 ip->set = 1;
146 return (1);
147}
101{
102 struct cchar *cp, tmp;
103 long val;
104 char *arg, *ep, *name;
105
106 name = **argvp;
107
108 tmp.name = name;
109 if (!(cp = (struct cchar *)bsearch(&tmp, cchars1,
110 sizeof(cchars1)/sizeof(struct cchar) - 1, sizeof(struct cchar),
111 c_cchar)) && !(cp = (struct cchar *)bsearch(&tmp, cchars2,
112 sizeof(cchars2)/sizeof(struct cchar) - 1, sizeof(struct cchar),
113 c_cchar)))
114 return (0);
115
116 arg = *++*argvp;
117 if (!arg) {
118 warnx("option requires an argument -- %s", name);
119 usage();
120 }
121
122#define CHK(s) (*arg == s[0] && !strcmp(arg, s))
123 if (CHK("undef") || CHK("<undef>"))
124 ip->t.c_cc[cp->sub] = _POSIX_VDISABLE;
125 else if (cp->sub == VMIN || cp->sub == VTIME) {
126 val = strtol(arg, &ep, 10);
127 if (val > UCHAR_MAX) {
128 warnx("maximum option value is %d -- %s",
129 UCHAR_MAX, name);
130 usage();
131 }
132 if (*ep != '\0') {
133 warnx("option requires a numeric argument -- %s", name);
134 usage();
135 }
136 ip->t.c_cc[cp->sub] = val;
137 } else if (arg[0] == '^')
138 ip->t.c_cc[cp->sub] = (arg[1] == '?') ? 0177 :
139 (arg[1] == '-') ? _POSIX_VDISABLE : arg[1] & 037;
140 else
141 ip->t.c_cc[cp->sub] = arg[0];
142 ip->set = 1;
143 return (1);
144}