This file does not seem to serve any purpose. It has never been hooked up
to the build, and performs a subset of the functionality that the getconf(1) utility performs.
This commit is contained in:
parent
38220129cc
commit
7a22a933fa
Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=114141
@ -1,240 +0,0 @@
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/*
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* Copyright (c) 1993
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* The Regents of the University of California. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#ifndef lint
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static const char copyright[] =
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"@(#) Copyright (c) 1993\n\
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The Regents of the University of California. All rights reserved.\n";
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#endif /* not lint */
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#ifndef lint
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#if 0
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static char sccsid[] = "@(#)pathconf.c 8.1 (Berkeley) 6/6/93";
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#endif
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static const char rcsid[] =
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"$FreeBSD$";
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#endif /* not lint */
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#include <sys/param.h>
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#include <sys/sysctl.h>
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#include <sys/unistd.h>
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#include <err.h>
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#include <errno.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#define PC_NAMES { \
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{ 0, 0 }, \
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{ "link_max", CTLTYPE_INT }, \
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{ "max_canon", CTLTYPE_INT }, \
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{ "max_input", CTLTYPE_INT }, \
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{ "name_max", CTLTYPE_INT }, \
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{ "path_max", CTLTYPE_INT }, \
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{ "pipe_buf", CTLTYPE_INT }, \
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{ "chown_restricted", CTLTYPE_INT }, \
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{ "no_trunc", CTLTYPE_INT }, \
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{ "vdisable", CTLTYPE_INT }, \
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}
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#define PC_MAXID 10
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struct ctlname pcnames[] = PC_NAMES;
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char names[BUFSIZ];
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struct list {
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struct ctlname *list;
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int size;
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};
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struct list pclist = { pcnames, PC_MAXID };
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int Aflag, aflag, nflag, wflag, stdinflag;
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int findname(char *, char *, char**, struct list *);
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void listall(char *, struct list *);
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void parse(char *, char *, int);
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static void usage(void);
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int
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main(argc, argv)
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int argc;
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char *argv[];
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{
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char *path;
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int ch;
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while ((ch = getopt(argc, argv, "Aan")) != -1) {
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switch (ch) {
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case 'A':
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Aflag = 1;
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break;
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case 'a':
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aflag = 1;
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break;
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case 'n':
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nflag = 1;
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break;
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default:
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usage();
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}
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}
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argc -= optind;
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argv += optind;
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if (argc == 0)
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usage();
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path = *argv++;
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if (strcmp(path, "-") == 0)
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stdinflag = 1;
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argc--;
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if (Aflag || aflag) {
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listall(path, &pclist);
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exit(0);
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}
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if (argc == 0)
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usage();
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while (argc-- > 0)
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parse(path, *argv, 1);
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exit(0);
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}
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/*
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* List all variables known to the system.
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*/
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void
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listall(path, lp)
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char *path;
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struct list *lp;
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{
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int lvl2;
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if (lp->list == 0)
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return;
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for (lvl2 = 0; lvl2 < lp->size; lvl2++) {
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if (lp->list[lvl2].ctl_name == 0)
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continue;
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parse(path, lp->list[lvl2].ctl_name, Aflag);
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}
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}
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/*
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* Parse a name into an index.
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* Lookup and print out the attribute if it exists.
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*/
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void
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parse(pathname, string, flags)
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char *pathname;
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char *string;
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int flags;
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{
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int indx, value;
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char *bufp, buf[BUFSIZ];
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bufp = buf;
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snprintf(buf, BUFSIZ, "%s", string);
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if ((indx = findname(string, "top", &bufp, &pclist)) == -1)
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return;
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if (bufp) {
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warnx("name %s in %s is unknown", *bufp, string);
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return;
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}
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if (stdinflag)
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value = fpathconf(0, indx);
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else
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value = pathconf(pathname, indx);
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if (value == -1) {
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if (flags == 0)
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return;
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switch (errno) {
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case EOPNOTSUPP:
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warnx("%s: value is not available", string);
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return;
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case ENOTDIR:
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warnx("%s: specification is incomplete", string);
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return;
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case ENOMEM:
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warnx("%s: type is unknown to this program", string);
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return;
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default:
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warn("%s", string);
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return;
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}
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}
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if (!nflag)
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fprintf(stdout, "%s = ", string);
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fprintf(stdout, "%d\n", value);
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}
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/*
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* Scan a list of names searching for a particular name.
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*/
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int
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findname(string, level, bufp, namelist)
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char *string;
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char *level;
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char **bufp;
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struct list *namelist;
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{
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char *name;
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int i;
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if (namelist->list == 0 || (name = strsep(bufp, ".")) == NULL) {
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warnx("%s: incomplete specification", string);
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return (-1);
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}
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for (i = 0; i < namelist->size; i++)
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if (namelist->list[i].ctl_name != NULL &&
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strcmp(name, namelist->list[i].ctl_name) == 0)
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break;
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if (i == namelist->size) {
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warnx("%s level name %s in %s is invalid", level, name, string);
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return (-1);
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}
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return (i);
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}
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static void
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usage()
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{
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(void)fprintf(stderr, "%s\n%s\n%s\n",
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"usage: pathname [-n] variable ...",
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" pathname [-n] -a",
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" pathname [-n] -A");
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exit(1);
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}
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