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Commit ad5948a8 authored by Shengsong Tan's avatar Shengsong Tan
Browse files

Replace base::RandInt with std::uniform_int_distribution 

As part of the effort to uprev libchrome in Android, we are
removing Android dependencies to libchrome utility functions
that are not strictly required.
This CL remove the usage of base::RandInt and replace by std cpp

Bug: 360917504
Change-Id: I83ea0f00ca07074f8c6c9a69db343a65cc8deb27
Test: atest libfs_avb_internal_test
parent 75211200

fs_mgr/libfs_avb/tests/avb_util_test.cpp

+6 −2
Original line number Diff line number Diff line
@@ -16,10 +16,11 @@ 


#include <endian.h>



#include <random>



#include <android-base/strings.h>

#include <android-base/unique_fd.h>

#include <base/files/file_util.h>

#include <base/rand_util.h>

#include <libavb/libavb.h>



#include "avb_util.h"
@@ -727,7 +728,10 @@ void AvbUtilTest::ModifyFile(const base::FilePath& file_path, size_t offset, ssi 


    // Introduces a new modification.

    if (length > 0) {

        int modify_location = base::RandInt(offset, offset + length - 1);

        // mersenne_twister_engine seeded with the default seed source.

        static std::mt19937 gen(std::random_device{}());

        std::uniform_int_distribution<> rand_distribution(offset, offset + length - 1);

        int modify_location = rand_distribution(gen);

        file_content[modify_location] ^= 0x80;

        last_file_path = file_path.value();

        last_modified_location = modify_location;