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getconf.c (99112) getconf.c (103591)
1/*
2 * Copyright 2000 Massachusetts Institute of Technology
3 *
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

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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
27 * SUCH DAMAGE.
28 */
29
30#include <sys/cdefs.h>
1/*
2 * Copyright 2000 Massachusetts Institute of Technology
3 *
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

--- 14 unchanged lines hidden (view full) ---

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
27 * SUCH DAMAGE.
28 */
29
30#include <sys/cdefs.h>
31__FBSDID("$FreeBSD: head/usr.bin/getconf/getconf.c 99112 2002-06-30 05:25:07Z obrien $");
31__FBSDID("$FreeBSD: head/usr.bin/getconf/getconf.c 103591 2002-09-19 03:39:03Z wollman $");
32
33#include <sys/types.h>
34
35#include <err.h>
36#include <errno.h>
37#include <stdio.h>
38#include <stdlib.h>
39#include <sysexits.h>

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44static void do_confstr(const char *name, int key);
45static void do_sysconf(const char *name, int key);
46static void do_pathconf(const char *name, int key, const char *path);
47
48static void
49usage(void)
50{
51 fprintf(stderr, "usage:\n"
32
33#include <sys/types.h>
34
35#include <err.h>
36#include <errno.h>
37#include <stdio.h>
38#include <stdlib.h>
39#include <sysexits.h>

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44static void do_confstr(const char *name, int key);
45static void do_sysconf(const char *name, int key);
46static void do_pathconf(const char *name, int key, const char *path);
47
48static void
49usage(void)
50{
51 fprintf(stderr, "usage:\n"
52 "\tgetconf [-v prog_model] system_var\n"
53 "\tgetconf [-v prog_model] path_var pathname\n");
52 "\tgetconf [-v prog_env] system_var\n"
53 "\tgetconf [-v prog_env] path_var pathname\n");
54 exit(EX_USAGE);
55}
56
57int
58main(int argc, char **argv)
59{
54 exit(EX_USAGE);
55}
56
57int
58main(int argc, char **argv)
59{
60 int c;
61 const char *name, *vflag;
62 int key;
60 int c, key, valid;
61 const char *name, *vflag, *alt_path;
62 intmax_t limitval;
63
63
64 vflag = 0;
65
64 vflag = NULL;
66 while ((c = getopt(argc, argv, "v:")) != -1) {
67 switch (c) {
68 case 'v':
69 vflag = optarg;
70 break;
71
72 default:
73 usage();
74 }
75 }
76
65 while ((c = getopt(argc, argv, "v:")) != -1) {
66 switch (c) {
67 case 'v':
68 vflag = optarg;
69 break;
70
71 default:
72 usage();
73 }
74 }
75
77 if (vflag)
78 warnx("-v %s ignored", vflag);
79
80 /* No arguments... */
81 if ((name = argv[optind]) == 0)
76 if ((name = argv[optind]) == NULL)
82 usage();
83
77 usage();
78
84 if (argv[optind + 1] == 0) { /* confstr or sysconf */
85 key = find_confstr(name);
86 if (key >= 0) {
87 do_confstr(name, key);
79 if (vflag != NULL) {
80 if ((valid = find_progenv(vflag, &alt_path)) == 0)
81 errx(EX_USAGE, "invalid programming environment %s",
82 vflag);
83 if (valid > 0 && alt_path != NULL) {
84 if (argv[optind + 1] == NULL)
85 execl(alt_path, "getconf", argv[optind],
86 (char *)NULL);
87 else
88 execl(alt_path, "getconf", argv[optind],
89 argv[optind + 1], (char *)NULL);
90
91 err(EX_OSERR, "execl: %s", alt_path);
92 }
93 if (valid < 0)
94 errx(EX_UNAVAILABLE, "environment %s is not available",
95 vflag);
96 }
97
98 if (argv[optind + 1] == NULL) { /* confstr or sysconf */
99 if ((valid = find_limit(name, &limitval)) != 0) {
100 if (valid > 0)
101 printf("%jd\n", limitval);
102 else
103 printf("undefined\n");
104
105 return 0;
106 }
107 if ((valid = find_confstr(name, &key)) != 0) {
108 if (valid > 0)
109 do_confstr(name, key);
110 else
111 printf("undefined\n");
88 } else {
112 } else {
89 key = find_sysconf(name);
90 if (key >= 0)
113 valid = find_sysconf(name, &key);
114 if (valid > 0) {
91 do_sysconf(name, key);
115 do_sysconf(name, key);
92 else
116 } else if (valid < 0) {
117 printf("undefined\n");
118 } else
93 errx(EX_USAGE,
94 "no such configuration parameter `%s'",
95 name);
96 }
97 } else {
119 errx(EX_USAGE,
120 "no such configuration parameter `%s'",
121 name);
122 }
123 } else {
98 key = find_pathconf(name);
99 if (key >= 0)
100 do_pathconf(name, key, argv[optind + 1]);
101 else
124 valid = find_pathconf(name, &key);
125 if (valid != 0) {
126 if (valid > 0)
127 do_pathconf(name, key, argv[optind + 1]);
128 else
129 printf("undefined\n");
130 } else
102 errx(EX_USAGE,
103 "no such path configuration parameter `%s'",
104 name);
105 }
106 return 0;
107}
108
109static void

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149 value = pathconf(path, key);
150 if (value == -1 && errno != 0)
151 err(EX_OSERR, "pathconf: %s", name);
152 else if (value == -1)
153 printf("undefined\n");
154 else
155 printf("%ld\n", value);
156}
131 errx(EX_USAGE,
132 "no such path configuration parameter `%s'",
133 name);
134 }
135 return 0;
136}
137
138static void

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178 value = pathconf(path, key);
179 if (value == -1 && errno != 0)
180 err(EX_OSERR, "pathconf: %s", name);
181 else if (value == -1)
182 printf("undefined\n");
183 else
184 printf("%ld\n", value);
185}
186