d/freebsd-dev
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

This file does not seem to serve any purpose. It has never been hooked up

Browse Source 
to the build, and performs a subset of the functionality that the getconf(1)
utility performs.
This commit is contained in:
Tim J. Robbins 2003-04-28 00:38:48 +00:00
parent 38220129cc
commit 7a22a933fa
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=114141
1 changed files with 0 additions and 240 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

240
sbin/sysctl/pathconf.c
View File

@ -1,240 +0,0 @@
/*
* Copyright (c) 1993
* The Regents of the University of California. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#ifndef lint
static const char copyright[] =
"@(#) Copyright (c) 1993\n\
The Regents of the University of California. All rights reserved.\n";
#endif /* not lint */
#ifndef lint
#if 0
static char sccsid[] = "@(#)pathconf.c 8.1 (Berkeley) 6/6/93";
#endif
static const char rcsid[] =
"$FreeBSD$";
#endif /* not lint */
#include <sys/param.h>
#include <sys/sysctl.h>
#include <sys/unistd.h>
#include <err.h>
#include <errno.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#define PC_NAMES { \
{ 0, 0 }, \
{ "link_max", CTLTYPE_INT }, \
{ "max_canon", CTLTYPE_INT }, \
{ "max_input", CTLTYPE_INT }, \
{ "name_max", CTLTYPE_INT }, \
{ "path_max", CTLTYPE_INT }, \
{ "pipe_buf", CTLTYPE_INT }, \
{ "chown_restricted", CTLTYPE_INT }, \
{ "no_trunc", CTLTYPE_INT }, \
{ "vdisable", CTLTYPE_INT }, \
}
#define PC_MAXID 10
struct ctlname pcnames[] = PC_NAMES;
char names[BUFSIZ];
struct list {
struct ctlname *list;
int size;
};
struct list pclist = { pcnames, PC_MAXID };
int Aflag, aflag, nflag, wflag, stdinflag;
int findname(char *, char *, char**, struct list *);
void listall(char *, struct list *);
void parse(char *, char *, int);
static void usage(void);
int
main(argc, argv)
int argc;
char *argv[];
{
char *path;
int ch;
while ((ch = getopt(argc, argv, "Aan")) != -1) {
switch (ch) {
case 'A':
Aflag = 1;
break;
case 'a':
aflag = 1;
break;
case 'n':
nflag = 1;
break;
default:
usage();
}
}
argc -= optind;
argv += optind;
if (argc == 0)
usage();
path = *argv++;
if (strcmp(path, "-") == 0)
stdinflag = 1;
argc--;
if (Aflag || aflag) {
listall(path, &pclist);
exit(0);
}
if (argc == 0)
usage();
while (argc-- > 0)
parse(path, *argv, 1);
exit(0);
}
/*
* List all variables known to the system.
*/
void
listall(path, lp)
char *path;
struct list *lp;
{
int lvl2;
if (lp->list == 0)
return;
for (lvl2 = 0; lvl2 < lp->size; lvl2++) {
if (lp->list[lvl2].ctl_name == 0)
continue;
parse(path, lp->list[lvl2].ctl_name, Aflag);
}
}
/*
* Parse a name into an index.
* Lookup and print out the attribute if it exists.
*/
void
parse(pathname, string, flags)
char *pathname;
char *string;
int flags;
{
int indx, value;
char *bufp, buf[BUFSIZ];
bufp = buf;
snprintf(buf, BUFSIZ, "%s", string);
if ((indx = findname(string, "top", &bufp, &pclist)) == -1)
return;
if (bufp) {
warnx("name %s in %s is unknown", *bufp, string);
return;
}
if (stdinflag)
value = fpathconf(0, indx);
else
value = pathconf(pathname, indx);
if (value == -1) {
if (flags == 0)
return;
switch (errno) {
case EOPNOTSUPP:
warnx("%s: value is not available", string);
return;
case ENOTDIR:
warnx("%s: specification is incomplete", string);
return;
case ENOMEM:
warnx("%s: type is unknown to this program", string);
return;
default:
warn("%s", string);
return;
}
}
if (!nflag)
fprintf(stdout, "%s = ", string);
fprintf(stdout, "%d\n", value);
}
/*
* Scan a list of names searching for a particular name.
*/
int
findname(string, level, bufp, namelist)
char *string;
char *level;
char **bufp;
struct list *namelist;
{
char *name;
int i;
if (namelist->list == 0 || (name = strsep(bufp, ".")) == NULL) {
warnx("%s: incomplete specification", string);
return (-1);
}
for (i = 0; i < namelist->size; i++)
if (namelist->list[i].ctl_name != NULL &&
strcmp(name, namelist->list[i].ctl_name) == 0)
break;
if (i == namelist->size) {
warnx("%s level name %s in %s is invalid", level, name, string);
return (-1);
}
return (i);
}
static void
usage()
{
(void)fprintf(stderr, "%s\n%s\n%s\n",
"usage: pathname [-n] variable ...",
" pathname [-n] -a",
" pathname [-n] -A");
exit(1);
}