2 * Copyright 2000 Massachusetts Institute of Technology
4 * Permission to use, copy, modify, and distribute this software and
5 * its documentation for any purpose and without fee is hereby
6 * granted, provided that both the above copyright notice and this
7 * permission notice appear in all copies, that both the above
8 * copyright notice and this permission notice appear in all
9 * supporting documentation, and that the name of M.I.T. not be used
10 * in advertising or publicity pertaining to distribution of the
11 * software without specific, written prior permission. M.I.T. makes
12 * no representations about the suitability of this software for any
13 * purpose. It is provided "as is" without express or implied
16 * THIS SOFTWARE IS PROVIDED BY M.I.T. ``AS IS''. M.I.T. DISCLAIMS
17 * ALL EXPRESS OR IMPLIED WARRANTIES WITH REGARD TO THIS SOFTWARE,
18 * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
19 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT
20 * SHALL M.I.T. BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
21 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
22 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
23 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
24 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
25 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
26 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30 #include <sys/cdefs.h>
31 __FBSDID("$FreeBSD$");
33 #include <sys/types.h>
45 static void do_allsys(void);
46 static void do_allpath(const char *path);
47 static void do_confstr(const char *name, int key);
48 static void do_sysconf(const char *name, int key);
49 static void do_pathconf(const char *name, int key, const char *path);
55 "usage: getconf -a [pathname]\n"
56 " getconf [-v prog_env] system_var\n"
57 " getconf [-v prog_env] path_var pathname\n");
62 main(int argc, char **argv)
66 const char *name, *vflag, *alt_path;
72 while ((c = getopt(argc, argv, "av:")) != -1) {
89 if (argv[optind] == NULL)
92 do_allpath(argv[optind]);
96 if ((name = argv[optind]) == NULL)
100 if ((valid = find_progenv(vflag, &alt_path)) == 0)
101 errx(EX_USAGE, "invalid programming environment %s",
103 if (valid > 0 && alt_path != NULL) {
104 if (argv[optind + 1] == NULL)
105 execl(alt_path, "getconf", argv[optind],
108 execl(alt_path, "getconf", argv[optind],
109 argv[optind + 1], (char *)NULL);
111 err(EX_OSERR, "execl: %s", alt_path);
114 errx(EX_UNAVAILABLE, "environment %s is not available",
118 if (argv[optind + 1] == NULL) { /* confstr or sysconf */
119 if ((valid = find_unsigned_limit(name, &ulimitval)) != 0) {
121 printf("%" PRIuMAX "\n", ulimitval);
123 printf("undefined\n");
126 if ((valid = find_limit(name, &limitval)) != 0) {
128 printf("%" PRIdMAX "\n", limitval);
130 printf("undefined\n");
134 if ((valid = find_confstr(name, &key)) != 0) {
136 do_confstr(name, key);
138 printf("undefined\n");
140 valid = find_sysconf(name, &key);
142 do_sysconf(name, key);
143 } else if (valid < 0) {
144 printf("undefined\n");
147 "no such configuration parameter `%s'",
151 valid = find_pathconf(name, &key);
154 do_pathconf(name, key, argv[optind + 1]);
156 printf("undefined\n");
159 "no such path configuration parameter `%s'",
166 do_onestr(const char *name, int key)
171 len = confstr(key, 0, 0);
172 if (len == 0 && errno != 0) {
173 warn("confstr: %s", name);
176 printf("%s: ", name);
178 printf("undefined\n");
182 confstr(key, buf, len);
188 do_onesys(const char *name, int key)
193 value = sysconf(key);
194 if (value == -1 && errno != 0) {
195 warn("sysconf: %s", name);
198 printf("%s: ", name);
200 printf("undefined\n");
202 printf("%ld\n", value);
209 foreach_confstr(do_onestr);
210 foreach_sysconf(do_onesys);
214 do_onepath(const char *name, int key, const char *path)
219 value = pathconf(path, key);
220 if (value == -1 && errno != EINVAL && errno != 0)
221 warn("pathconf: %s", name);
222 printf("%s: ", name);
224 printf("undefined\n");
226 printf("%ld\n", value);
230 do_allpath(const char *path)
233 foreach_pathconf(do_onepath, path);
237 do_confstr(const char *name, int key)
244 len = confstr(key, 0, 0);
247 err(EX_OSERR, "confstr: %s", name);
249 printf("undefined\n");
253 confstr(key, buf, len);
260 do_sysconf(const char *name, int key)
265 value = sysconf(key);
266 if (value == -1 && errno != 0)
267 err(EX_OSERR, "sysconf: %s", name);
268 else if (value == -1)
269 printf("undefined\n");
271 printf("%ld\n", value);
275 do_pathconf(const char *name, int key, const char *path)
280 value = pathconf(path, key);
281 if (value == -1 && errno != 0)
282 err(EX_OSERR, "pathconf: %s", name);
283 else if (value == -1)
284 printf("undefined\n");
286 printf("%ld\n", value);