Sat Aug 27 18:58:52 2011 UTC ()
static + __dead


(joerg)
diff -r1.17 -r1.18 src/sbin/ttyflags/ttyflags.c

cvs diff -r1.17 -r1.18 src/sbin/ttyflags/ttyflags.c (expand / switch to unified diff)

--- src/sbin/ttyflags/ttyflags.c 2008/07/20 01:20:23 1.17
+++ src/sbin/ttyflags/ttyflags.c 2011/08/27 18:58:51 1.18
@@ -1,14 +1,14 @@ @@ -1,14 +1,14 @@
1/* $NetBSD: ttyflags.c,v 1.17 2008/07/20 01:20:23 lukem Exp $ */ 1/* $NetBSD: ttyflags.c,v 1.18 2011/08/27 18:58:51 joerg Exp $ */
2 2
3/* 3/*
4 * Copyright (c) 1994 Christopher G. Demetriou 4 * Copyright (c) 1994 Christopher G. Demetriou
5 * All rights reserved. 5 * All rights reserved.
6 *  6 *
7 * Redistribution and use in source and binary forms, with or without 7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions 8 * modification, are permitted provided that the following conditions
9 * are met: 9 * are met:
10 * 1. Redistributions of source code must retain the above copyright 10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer. 11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright 12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the 13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution. 14 * documentation and/or other materials provided with the distribution.
@@ -31,49 +31,49 @@ @@ -31,49 +31,49 @@
31 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 31 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
32 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 32 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
33 *  33 *
34 * <<Id: LICENSE,v 1.2 2000/06/14 15:57:33 cgd Exp>> 34 * <<Id: LICENSE,v 1.2 2000/06/14 15:57:33 cgd Exp>>
35 */ 35 */
36 36
37#include <sys/cdefs.h> 37#include <sys/cdefs.h>
38#ifndef lint 38#ifndef lint
39__COPYRIGHT("@(#) Copyright (c) 1994\ 39__COPYRIGHT("@(#) Copyright (c) 1994\
40 Christopher G. Demetriou. All rights reserved."); 40 Christopher G. Demetriou. All rights reserved.");
41#endif /* not lint */ 41#endif /* not lint */
42 42
43#ifndef lint 43#ifndef lint
44__RCSID("$NetBSD: ttyflags.c,v 1.17 2008/07/20 01:20:23 lukem Exp $"); 44__RCSID("$NetBSD: ttyflags.c,v 1.18 2011/08/27 18:58:51 joerg Exp $");
45#endif /* not lint */ 45#endif /* not lint */
46 46
47#include <sys/types.h> 47#include <sys/types.h>
48#include <sys/ioctl.h> 48#include <sys/ioctl.h>
49 49
50#include <err.h> 50#include <err.h>
51#include <errno.h> 51#include <errno.h>
52#include <fcntl.h> 52#include <fcntl.h>
53#include <limits.h> 53#include <limits.h>
54#include <paths.h> 54#include <paths.h>
55#include <stdio.h> 55#include <stdio.h>
56#include <stdlib.h> 56#include <stdlib.h>
57#include <string.h> 57#include <string.h>
58#include <ttyent.h> 58#include <ttyent.h>
59#include <unistd.h> 59#include <unistd.h>
60 60
61int change_all(void); 61static int change_all(void);
62int change_ttyflags(struct ttyent *); 62static int change_ttyflags(struct ttyent *);
63int change_ttys(char **); 63static int change_ttys(char **);
64void usage(void); 64__dead static void usage(void);
65 65
66int nflag, vflag; 66static int nflag, vflag;
67 67
68/* 68/*
69 * Ttyflags sets the device-specific tty flags, based on the contents 69 * Ttyflags sets the device-specific tty flags, based on the contents
70 * of /etc/ttys. It can either set all of the ttys' flags, or set 70 * of /etc/ttys. It can either set all of the ttys' flags, or set
71 * the flags of the ttys specified on the command line. 71 * the flags of the ttys specified on the command line.
72 */ 72 */
73int 73int
74main(int argc, char *argv[]) 74main(int argc, char *argv[])
75{ 75{
76 int aflag, ch, rval; 76 int aflag, ch, rval;
77 77
78 aflag = nflag = vflag = 0; 78 aflag = nflag = vflag = 0;
79 while ((ch = getopt(argc, argv, "anv")) != -1) 79 while ((ch = getopt(argc, argv, "anv")) != -1)
@@ -106,70 +106,70 @@ main(int argc, char *argv[]) @@ -106,70 +106,70 @@ main(int argc, char *argv[])
106 rval = change_all(); 106 rval = change_all();
107 else 107 else
108 rval = change_ttys(argv); 108 rval = change_ttys(argv);
109 109
110 if (endttyent() == 0) 110 if (endttyent() == 0)
111 warn("endttyent"); 111 warn("endttyent");
112 112
113 exit(rval); 113 exit(rval);
114} 114}
115 115
116/* 116/*
117 * Change all /etc/ttys entries' flags. 117 * Change all /etc/ttys entries' flags.
118 */ 118 */
119int 119static int
120change_all(void) 120change_all(void)
121{ 121{
122 struct ttyent *tep; 122 struct ttyent *tep;
123 int rval; 123 int rval;
124 124
125 rval = 0; 125 rval = 0;
126 for (tep = getttyent(); tep != NULL; tep = getttyent()) 126 for (tep = getttyent(); tep != NULL; tep = getttyent())
127 if (change_ttyflags(tep)) 127 if (change_ttyflags(tep))
128 rval = 1; 128 rval = 1;
129 return (rval); 129 return (rval);
130} 130}
131 131
132/* 132/*
133 * Change the specified ttys' flags. 133 * Change the specified ttys' flags.
134 */ 134 */
135int 135static int
136change_ttys(char **ttylist) 136change_ttys(char **ttylist)
137{ 137{
138 struct ttyent *tep; 138 struct ttyent *tep;
139 int rval; 139 int rval;
140 140
141 rval = 0; 141 rval = 0;
142 for (; *ttylist != NULL; ttylist++) { 142 for (; *ttylist != NULL; ttylist++) {
143 tep = getttynam(*ttylist); 143 tep = getttynam(*ttylist);
144 if (tep == NULL) { 144 if (tep == NULL) {
145 warnx("couldn't find an entry in %s for \"%s\"", 145 warnx("couldn't find an entry in %s for \"%s\"",
146 _PATH_TTYS, *ttylist); 146 _PATH_TTYS, *ttylist);
147 rval = 1; 147 rval = 1;
148 continue; 148 continue;
149 } 149 }
150 150
151 if (change_ttyflags(tep)) 151 if (change_ttyflags(tep))
152 rval = 1; 152 rval = 1;
153 } 153 }
154 return (rval); 154 return (rval);
155} 155}
156 156
157 157
158/* 158/*
159 * Actually do the work; find out what the new flags value should be, 159 * Actually do the work; find out what the new flags value should be,
160 * open the device, and change the flags. 160 * open the device, and change the flags.
161 */ 161 */
162int 162static int
163change_ttyflags(struct ttyent *tep) 163change_ttyflags(struct ttyent *tep)
164{ 164{
165 int fd, flags, rval, st, sep; 165 int fd, flags, rval, st, sep;
166 char path[PATH_MAX]; 166 char path[PATH_MAX];
167 char strflags[256]; 167 char strflags[256];
168 168
169 st = tep->ty_status; 169 st = tep->ty_status;
170 sep = flags = rval = 0; 170 sep = flags = rval = 0;
171 strflags[0] = '\0'; 171 strflags[0] = '\0';
172 172
173  173
174 /* Convert ttyent.h flags into ioctl flags. */ 174 /* Convert ttyent.h flags into ioctl flags. */
175 if (st & TTY_LOCAL) { 175 if (st & TTY_LOCAL) {
@@ -227,19 +227,19 @@ change_ttyflags(struct ttyent *tep) @@ -227,19 +227,19 @@ change_ttyflags(struct ttyent *tep)
227 warn("TIOCSFLAGS on %s", path); 227 warn("TIOCSFLAGS on %s", path);
228 rval = (errno != ENOTTY); 228 rval = (errno != ENOTTY);
229 } 229 }
230 if (close(fd) == -1) { 230 if (close(fd) == -1) {
231 warn("close %s", path); 231 warn("close %s", path);
232 return (1); 232 return (1);
233 } 233 }
234 return (rval); 234 return (rval);
235} 235}
236 236
237/* 237/*
238 * Print usage information when a bogus set of arguments is given. 238 * Print usage information when a bogus set of arguments is given.
239 */ 239 */
240void 240static void
241usage(void) 241usage(void)
242{ 242{
243 (void)fprintf(stderr, "usage: ttyflags [-v] [-a | tty ... ]\n"); 243 (void)fprintf(stderr, "usage: ttyflags [-v] [-a | tty ... ]\n");
244 exit(1); 244 exit(1);
245} 245}