drm/i915: Fix hangs on some broadwell machines
[dragonfly.git] / contrib / amd / fsinfo / fsinfo.c
CommitLineData
984263bc
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1/*
2 * Copyright (c) 1997-1999 Erez Zadok
3 * Copyright (c) 1989 Jan-Simon Pendry
4 * Copyright (c) 1989 Imperial College of Science, Technology & Medicine
5 * Copyright (c) 1989 The Regents of the University of California.
6 * All rights reserved.
7 *
8 * This code is derived from software contributed to Berkeley by
9 * Jan-Simon Pendry at Imperial College, London.
10 *
11 * Redistribution and use in source and binary forms, with or without
12 * modification, are permitted provided that the following conditions
13 * are met:
14 * 1. Redistributions of source code must retain the above copyright
15 * notice, this list of conditions and the following disclaimer.
16 * 2. Redistributions in binary form must reproduce the above copyright
17 * notice, this list of conditions and the following disclaimer in the
18 * documentation and/or other materials provided with the distribution.
19 * 3. All advertising materials mentioning features or use of this software
20 * must display the following acknowledgment:
21 * This product includes software developed by the University of
22 * California, Berkeley and its contributors.
23 * 4. Neither the name of the University nor the names of its contributors
24 * may be used to endorse or promote products derived from this software
25 * without specific prior written permission.
26 *
27 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
28 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
29 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
30 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
31 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
32 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
33 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
34 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
35 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
36 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
37 * SUCH DAMAGE.
38 *
39 * %W% (Berkeley) %G%
40 *
41 * $Id: fsinfo.c,v 1.4 1999/02/04 07:24:44 ezk Exp $
42 * $FreeBSD: src/contrib/amd/fsinfo/fsinfo.c,v 1.4 1999/09/15 05:45:15 obrien Exp $
1de703da 43 * $DragonFly: src/contrib/amd/fsinfo/fsinfo.c,v 1.2 2003/06/17 04:23:57 dillon Exp $
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44 *
45 */
46
47/*
48 * fsinfo
49 */
50
51#ifdef HAVE_CONFIG_H
52# include <config.h>
53#endif /* HAVE_CONFIG_H */
54#include <am_defs.h>
55#include <fsi_data.h>
56#include <fsinfo.h>
57#include <fsi_gram.h>
58
59/* globals */
60char **g_argv;
61char *autodir = "/a";
62char *progname;
63char hostname[MAXHOSTNAMELEN + 1];
64char *username;
65char idvbuf[1024];
66dict *dict_of_hosts;
67dict *dict_of_volnames;
68int errors;
69int file_io_errors;
70int parse_errors;
71int verbose;
72qelem *list_of_automounts;
73qelem *list_of_hosts;
74
75/*
76 * Output file prefixes
77 */
78char *bootparams_pref;
79char *dumpset_pref;
80char *exportfs_pref;
81char *fstab_pref;
82char *mount_pref;
83
84
85/*
86 * Argument cracking...
87 */
88static void
89fsi_get_args(int c, char *v[])
90{
91 int ch;
92 int usage = 0;
93 char *iptr = idvbuf;
94
95 /*
96 * Determine program name
97 */
98 if (v[0]) {
99 progname = strrchr(v[0], '/');
100 if (progname && progname[1])
101 progname++;
102 else
103 progname = v[0];
104 }
105
106 if (!progname)
107 progname = "fsinfo";
108
109 while ((ch = getopt(c, v, "a:b:d:e:f:h:m:D:U:I:qv")) != -1)
110
111 switch (ch) {
112
113 case 'a':
114 autodir = optarg;
115 break;
116
117 case 'b':
118 if (bootparams_pref)
119 fatal("-b option specified twice");
120 bootparams_pref = optarg;
121 break;
122
123 case 'd':
124 if (dumpset_pref)
125 fatal("-d option specified twice");
126 dumpset_pref = optarg;
127 break;
128
129 case 'h':
130 strncpy(hostname, optarg, sizeof(hostname) - 1);
131 break;
132
133 case 'e':
134 if (exportfs_pref)
135 fatal("-e option specified twice");
136 exportfs_pref = optarg;
137 break;
138
139 case 'f':
140 if (fstab_pref)
141 fatal("-f option specified twice");
142 fstab_pref = optarg;
143 break;
144
145 case 'm':
146 if (mount_pref)
147 fatal("-m option specified twice");
148 mount_pref = optarg;
149 break;
150
151 case 'q':
152 verbose = -1;
153 break;
154
155 case 'v':
156 verbose = 1;
157 break;
158
159 case 'I':
160 case 'D':
161 case 'U':
162 sprintf(iptr, "-%c%s ", ch, optarg);
163 iptr += strlen(iptr);
164 break;
165
166 default:
167 usage++;
168 break;
169 }
170
171 if (c != optind) {
172 g_argv = v + optind - 1;
173 if (yywrap())
174 fatal("Cannot read any input files");
175 } else {
176 usage++;
177 }
178
179 if (usage) {
180 fprintf(stderr,
181 "\
182Usage: %s [-v] [-a autodir] [-h hostname] [-b bootparams] [-d dumpsets]\n\
183\t[-e exports] [-f fstabs] [-m automounts]\n\
184\t[-I dir] [-D|-U string[=string]] config ...\n", progname);
185 exit(1);
186 }
187
188 if (g_argv[0])
189 log("g_argv[0] = %s", g_argv[0]);
190 else
191 log("g_argv[0] = (nil)");
192}
193
194
195/*
196 * Determine username of caller
197 */
198static char *
199find_username(void)
200{
201 char *u = getlogin();
202
203 if (!u) {
204 struct passwd *pw = getpwuid(getuid());
205 if (pw)
206 u = pw->pw_name;
207 }
208
209 if (!u)
210 u = getenv("USER");
211 if (!u)
212 u = getenv("LOGNAME");
213 if (!u)
214 u = "root";
215
216 return strdup(u);
217}
218
219
220/*
221 * MAIN
222 */
223int
224main(int argc, char *argv[])
225{
226 /*
227 * Process arguments
228 */
229 fsi_get_args(argc, argv);
230
231 /*
232 * If no hostname given then use the local name
233 */
234 if (!*hostname && gethostname(hostname, sizeof(hostname)) < 0) {
235 perror("gethostname");
236 exit(1);
237 }
238
239 /*
240 * Get the username
241 */
242 username = find_username();
243
244 /*
245 * New hosts and automounts
246 */
247 list_of_hosts = new_que();
248 list_of_automounts = new_que();
249
250 /*
251 * New dictionaries
252 */
253 dict_of_volnames = new_dict();
254 dict_of_hosts = new_dict();
255
256 /*
257 * Parse input
258 */
259 show_area_being_processed("read config", 11);
260 if (yyparse())
261 errors = 1;
262 errors += file_io_errors + parse_errors;
263
264 if (errors == 0) {
265 /*
266 * Do semantic analysis of input
267 */
268 analyze_hosts(list_of_hosts);
269 analyze_automounts(list_of_automounts);
270 }
271
272 /*
273 * Give up if errors
274 */
275 if (errors == 0) {
276 /*
277 * Output data files
278 */
279
280 write_atab(list_of_automounts);
281 write_bootparams(list_of_hosts);
282 write_dumpset(list_of_hosts);
283 write_exportfs(list_of_hosts);
284 write_fstab(list_of_hosts);
285 }
286 col_cleanup(1);
287
288 exit(errors);
289 return errors; /* should never reach here */
290}