freebsd-dev/lib/libc/gen/sysctlbyname.c
2010-02-21 14:58:01 +00:00

32 lines
918 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];
int error;
size_t oidlen;
oidlen = sizeof(real_oid) / sizeof(int);
error = sysctlnametomib(name, real_oid, &oidlen);
if (error < 0)
return (error);
error = sysctl(real_oid, oidlen, oldp, oldlenp, newp, newlen);
return (error);
}