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freebsd/lib/libc/gen/sysctlbyname.c
2012-12-12 15:27:33 +00:00

29 lines
870 B
C

/*
* ----------------------------------------------------------------------------
* "THE BEER-WARE LICENSE" (Revision 42):
* <phk@FreeBSD.org> wrote this file. As long as you retain this notice you
* can do whatever you want with this stuff. If we meet some day, and you think
* this stuff is worth it, you can buy me a beer in return. Poul-Henning Kamp
* ----------------------------------------------------------------------------
*
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include <sys/types.h>
#include <sys/sysctl.h>
int
sysctlbyname(const char *name, void *oldp, size_t *oldlenp,
const void *newp, size_t newlen)
{
int real_oid[CTL_MAXNAME+2];
size_t oidlen;
oidlen = sizeof(real_oid) / sizeof(int);
if (sysctlnametomib(name, real_oid, &oidlen) < 0)
return (-1);
return (sysctl(real_oid, oidlen, oldp, oldlenp, newp, newlen));
}