/* * ---------------------------------------------------------------------------- * "THE BEER-WARE LICENSE" (Revision 42): * 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 __FBSDID("$FreeBSD$"); #include #include #include int sysctlbyname(const char *name, void *oldp, size_t *oldlenp, void *newp, size_t newlen) { int name2oid_oid[2]; int real_oid[CTL_MAXNAME+2]; int error; size_t oidlen; name2oid_oid[0] = 0; /* This is magic & undocumented! */ name2oid_oid[1] = 3; oidlen = sizeof(real_oid); error = sysctl(name2oid_oid, 2, real_oid, &oidlen, (void *)name, strlen(name)); if (error < 0) return error; oidlen /= sizeof (int); error = sysctl(real_oid, oidlen, oldp, oldlenp, newp, newlen); return (error); }