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# $OpenBSD: Makefile,v 1.6 2000/01/01 22:38:18 deraadt Exp $ | ||
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PROG= sysctl | ||
MAN= sysctl.8 | ||
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CPPFLAGS+= -DINET6 | ||
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afterinstall: | ||
(cd ${DESTDIR}/usr/sbin; ln -sf ../../sbin/sysctl .) | ||
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.include <bsd.prog.mk> | ||
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.if (${UVM} == "yes") | ||
CFLAGS+=-DUVM | ||
.endif |
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/* $NetBSD: pathconf.c,v 1.2 1995/09/30 07:12:47 thorpej Exp $ */ | ||
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/* | ||
* 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. | ||
*/ | ||
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#ifndef lint | ||
static char copyright[] = | ||
"@(#) Copyright (c) 1993\n\ | ||
The Regents of the University of California. All rights reserved.\n"; | ||
#endif /* not lint */ | ||
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#ifndef lint | ||
#if 0 | ||
static char sccsid[] = "@(#)pathconf.c 8.1 (Berkeley) 6/6/93"; | ||
#else | ||
static char rcsid[] = "$NetBSD: pathconf.c,v 1.2 1995/09/30 07:12:47 thorpej Exp $"; | ||
#endif | ||
#endif /* not lint */ | ||
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#include <sys/param.h> | ||
#include <sys/sysctl.h> | ||
#include <sys/unistd.h> | ||
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#include <errno.h> | ||
#include <stdio.h> | ||
#include <stdlib.h> | ||
#include <string.h> | ||
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#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 | ||
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struct ctlname pcnames[] = PC_NAMES; | ||
char names[BUFSIZ]; | ||
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struct list { | ||
struct ctlname *list; | ||
int size; | ||
}; | ||
struct list pclist = { pcnames, PC_MAXID }; | ||
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int Aflag, aflag, nflag, wflag, stdinflag; | ||
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int | ||
main(argc, argv) | ||
int argc; | ||
char *argv[]; | ||
{ | ||
char *path; | ||
int ch; | ||
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while ((ch = getopt(argc, argv, "Aan")) != -1) { | ||
switch (ch) { | ||
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case 'A': | ||
Aflag = 1; | ||
break; | ||
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case 'a': | ||
aflag = 1; | ||
break; | ||
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case 'n': | ||
nflag = 1; | ||
break; | ||
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default: | ||
usage(); | ||
} | ||
} | ||
argc -= optind; | ||
argv += optind; | ||
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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); | ||
} | ||
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/* | ||
* List all variables known to the system. | ||
*/ | ||
listall(path, lp) | ||
char *path; | ||
struct list *lp; | ||
{ | ||
int lvl2; | ||
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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); | ||
} | ||
} | ||
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/* | ||
* Parse a name into an index. | ||
* Lookup and print out the attribute if it exists. | ||
*/ | ||
parse(pathname, string, flags) | ||
char *pathname; | ||
char *string; | ||
int flags; | ||
{ | ||
int indx, value; | ||
char *bufp, buf[BUFSIZ]; | ||
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bufp = buf; | ||
snprintf(buf, BUFSIZ, "%s", string); | ||
if ((indx = findname(string, "top", &bufp, &pclist)) == -1) | ||
return; | ||
if (bufp) { | ||
fprintf(stderr, "name %s in %s is unknown\n", *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: | ||
fprintf(stderr, "%s: value is not available\n", string); | ||
return; | ||
case ENOTDIR: | ||
fprintf(stderr, "%s: specification is incomplete\n", | ||
string); | ||
return; | ||
case ENOMEM: | ||
fprintf(stderr, "%s: type is unknown to this program\n", | ||
string); | ||
return; | ||
default: | ||
perror(string); | ||
return; | ||
} | ||
} | ||
if (!nflag) | ||
fprintf(stdout, "%s = ", string); | ||
fprintf(stdout, "%d\n", value); | ||
} | ||
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/* | ||
* Scan a list of names searching for a particular name. | ||
*/ | ||
findname(string, level, bufp, namelist) | ||
char *string; | ||
char *level; | ||
char **bufp; | ||
struct list *namelist; | ||
{ | ||
char *name; | ||
int i; | ||
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if (namelist->list == 0 || (name = strsep(bufp, ".")) == NULL) { | ||
fprintf(stderr, "%s: incomplete specification\n", 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) { | ||
fprintf(stderr, "%s level name %s in %s is invalid\n", | ||
level, name, string); | ||
return (-1); | ||
} | ||
return (i); | ||
} | ||
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usage() | ||
{ | ||
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(void)fprintf(stderr, "usage:\t%s\n\t%s\n\t%s\n", | ||
"pathname [-n] variable ...", | ||
"pathname [-n] -a", "pathname [-n] -A"); | ||
exit(1); | ||
} |
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