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Add interceptors for the sysctl(3) API family from NetBSD
Summary: Add new interceptors for: - sysctl - sysctlbyname - sysctlgetmibinfo - sysctlnametomib - asysctl - asysctlbyname Cover the API with a new test file TestCases/NetBSD/sysctl.cc. Reviewers: joerg, vitalybuka Reviewed By: vitalybuka Subscribers: devnexen, kubamracek, llvm-commits, mgorny, #sanitizers Tags: #sanitizers Differential Revision: https://reviews.llvm.org/D54076 llvm-svn: 348228
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101
compiler-rt/test/sanitizer_common/TestCases/NetBSD/sysctl.cc
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,101 @@ | ||
| // RUN: %clangxx -O0 -g %s -o %t && %run %t 2>&1 | FileCheck %s | ||
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| #include <sys/param.h> | ||
| #include <sys/types.h> | ||
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| #include <sys/sysctl.h> | ||
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| #include <assert.h> | ||
| #include <stdio.h> | ||
| #include <stdlib.h> | ||
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| 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); | ||
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| printf("sysctl: '%s' size: '%zu'\n", buf, len); | ||
| } | ||
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| void test_sysctlbyname() { | ||
| char buf[100]; | ||
| size_t len = sizeof(buf); | ||
| int mib[] = {CTL_KERN, KERN_OSTYPE}; | ||
| int rv = sysctlbyname("kern.ostype", buf, &len, NULL, 0); | ||
| assert(!rv); | ||
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| printf("sysctlbyname: '%s' size: '%zu'\n", buf, len); | ||
| } | ||
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| void test_sysctlgetmibinfo() { | ||
| int mib[CTL_MAXNAME]; | ||
| unsigned int mib_len = __arraycount(mib); | ||
| int rv = sysctlgetmibinfo("kern.ostype", &mib[0], &mib_len, NULL, NULL, NULL, | ||
| SYSCTL_VERSION); | ||
| assert(!rv); | ||
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| char buf[100]; | ||
| size_t len = sizeof(buf); | ||
| rv = sysctl(mib, mib_len, buf, &len, NULL, 0); | ||
| assert(!rv); | ||
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| printf("sysctlgetmibinfo: '%s' size: '%zu'\n", buf, len); | ||
| } | ||
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| void test_sysctlnametomib() { | ||
| int mib[CTL_MAXNAME]; | ||
| size_t mib_len = __arraycount(mib); | ||
| int rv = sysctlnametomib("kern.ostype", &mib[0], &mib_len); | ||
| assert(!rv); | ||
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| char buf[100]; | ||
| size_t len = sizeof(buf); | ||
| rv = sysctl(mib, mib_len, buf, &len, NULL, 0); | ||
| assert(!rv); | ||
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| printf("sysctlnametomib: '%s' size: '%zu'\n", buf, len); | ||
| } | ||
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| void test_asysctl() { | ||
| int mib[] = {CTL_KERN, KERN_OSTYPE}; | ||
| size_t len; | ||
| char *buf = (char *)asysctl(mib, __arraycount(mib), &len); | ||
| assert(buf); | ||
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| printf("asysctl: '%s' size: '%zu'\n", buf, len); | ||
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| free(buf); | ||
| } | ||
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| void test_asysctlbyname() { | ||
| size_t len; | ||
| char *buf = (char *)asysctlbyname("kern.ostype", &len); | ||
| assert(buf); | ||
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| printf("asysctlbyname: '%s' size: '%zu'\n", buf, len); | ||
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| free(buf); | ||
| } | ||
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| int main(void) { | ||
| printf("sysctl\n"); | ||
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| test_sysctl(); | ||
| test_sysctlbyname(); | ||
| test_sysctlgetmibinfo(); | ||
| test_sysctlnametomib(); | ||
| test_asysctl(); | ||
| test_asysctlbyname(); | ||
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| // CHECK: sysctl | ||
| // CHECK: sysctl: '{{.*}}' size: '{{.*}}' | ||
| // CHECK: sysctlbyname: '{{.*}}' size: '{{.*}}' | ||
| // CHECK: sysctlgetmibinfo: '{{.*}}' size: '{{.*}}' | ||
| // CHECK: sysctlnametomib: '{{.*}}' size: '{{.*}}' | ||
| // CHECK: asysctl: '{{.*}}' size: '{{.*}}' | ||
| // CHECK: asysctlbyname: '{{.*}}' size: '{{.*}}' | ||
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| return 0; | ||
| } |