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Commit 73a4204e authored by Android Build Coastguard Worker's avatar Android Build Coastguard Worker
Browse files

Snap for 12224018 from 75d0653f to 24Q4-release

Change-Id: Iee741c296f9d75e5237f3cb073b0b86aa9b082ab
parents 1d4b6d90 75d0653f
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+1 −0
Original line number Diff line number Diff line
smoreland@google.com
+1 −1
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@@ -79,12 +79,12 @@ cc_library {
    ],
    static_libs: [
        "libjsoncpp",
        "libprocessgroup_util",
    ],
    // for cutils/android_filesystem_config.h
    header_libs: [
        "libcutils_headers",
        "libprocessgroup_headers",
        "libprocessgroup_util",
    ],
    export_include_dirs: ["include"],
    export_header_lib_headers: [
+1 −1
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@@ -34,10 +34,10 @@ cc_library_shared {
    ],
    static_libs: [
        "libcgrouprc_format",
        "libprocessgroup_util",
    ],
    header_libs: [
        "libprocessgroup_headers",
        "libprocessgroup_util",
    ],
    export_header_lib_headers: [
        "libprocessgroup_headers",
+5 −2
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@@ -19,7 +19,7 @@ package {
    default_applicable_licenses: ["Android-Apache-2.0"],
}

cc_library_headers {
cc_library_static {
    name: "libprocessgroup_util",
    vendor_available: true,
    product_available: true,
@@ -36,12 +36,15 @@ cc_library_headers {
    export_include_dirs: [
        "include",
    ],
    srcs: [
        "util.cpp",
    ],
    defaults: ["libprocessgroup_build_flags_cc"],
}

cc_test {
    name: "libprocessgroup_util_test",
    header_libs: ["libprocessgroup_util"],
    static_libs: ["libprocessgroup_util"],
    srcs: ["tests/util.cpp"],
    test_suites: ["general-tests"],
}
+1 −37
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@@ -16,46 +16,10 @@

#pragma once

#include <algorithm>
#include <iterator>
#include <string>

namespace util {

namespace internal {

const char SEP = '/';

std::string DeduplicateAndTrimSeparators(const std::string& path) {
    bool lastWasSep = false;
    std::string ret;

    std::copy_if(path.begin(), path.end(), std::back_inserter(ret), [&lastWasSep](char c) {
        if (lastWasSep) {
            if (c == SEP) return false;
            lastWasSep = false;
        } else if (c == SEP) {
            lastWasSep = true;
        }
        return true;
    });

    if (ret.length() > 1 && ret.back() == SEP) ret.pop_back();

    return ret;
}

}  // namespace internal

unsigned int GetCgroupDepth(const std::string& controller_root, const std::string& cgroup_path) {
    const std::string deduped_root = internal::DeduplicateAndTrimSeparators(controller_root);
    const std::string deduped_path = internal::DeduplicateAndTrimSeparators(cgroup_path);

    if (deduped_root.empty() || deduped_path.empty() || !deduped_path.starts_with(deduped_root))
        return 0;

    return std::count(deduped_path.begin() + deduped_root.size(), deduped_path.end(),
                      internal::SEP);
}
unsigned int GetCgroupDepth(const std::string& controller_root, const std::string& cgroup_path);

}  // namespace util
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