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