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// RUN: %clangxx -O0 -g %s -o %t && %run %t 2>&1 | FileCheck %s
//
// UNSUPPORTED: linux, solaris
#include <sys/param.h>
#include <sys/types.h>
#include <sys/sysctl.h>
#include <assert.h>
#include <stdio.h>
#include <stdlib.h>
#ifndef __arraycount
#define __arraycount(a) (sizeof(a) / sizeof(a[0]))
#endif
void test_sysctl() {
char buf[100];
size_t len = sizeof(buf);
int mib[] = {CTL_KERN, KERN_OSTYPE};
int rv = sysctl(mib, __arraycount(mib), buf, &len, NULL, 0);
assert(!rv);
printf("sysctl: '%s' size: '%zu'\n", buf, len);
}
void test_sysctlbyname() {
char buf[100];
size_t len = sizeof(buf);
int rv = sysctlbyname("kern.ostype", buf, &len, NULL, 0);
assert(!rv);
printf("sysctlbyname: '%s' size: '%zu'\n", buf, len);
}
void test_sysctlnametomib() {
int mib[CTL_MAXNAME];
size_t mib_len = __arraycount(mib);
int rv = sysctlnametomib("kern.ostype", &mib[0], &mib_len);
assert(!rv);
char buf[100];
size_t len = sizeof(buf);
rv = sysctl(mib, mib_len, buf, &len, NULL, 0);
assert(!rv);
printf("sysctlnametomib: '%s' size: '%zu'\n", buf, len);
}
int main(void) {
printf("sysctl\n");
test_sysctl();
test_sysctlbyname();
test_sysctlnametomib();
// CHECK: sysctl
// CHECK: sysctl: '{{.*}}' size: '{{.*}}'
// CHECK: sysctlbyname: '{{.*}}' size: '{{.*}}'
// CHECK: sysctlnametomib: '{{.*}}' size: '{{.*}}'
return 0;
}
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