diff options
Diffstat (limited to 'brillo/file_utils.cc')
| -rw-r--r-- | brillo/file_utils.cc | 20 |
1 files changed, 19 insertions, 1 deletions
diff --git a/brillo/file_utils.cc b/brillo/file_utils.cc index b4370d1..3661551 100644 --- a/brillo/file_utils.cc +++ b/brillo/file_utils.cc @@ -11,11 +11,13 @@ #include <utility> #include <vector> +#include <base/files/file_enumerator.h> #include <base/files/file_path.h> #include <base/files/file_util.h> #include <base/logging.h> #include <base/posix/eintr_wrapper.h> #include <base/rand_util.h> +#include <base/stl_util.h> #include <base/strings/string_number_conversions.h> #include <base/strings/stringprintf.h> #include <base/time/time.h> @@ -140,7 +142,7 @@ bool TouchFileInternal(const base::FilePath& path, std::string GetRandomSuffix() { const int kBufferSize = 6; unsigned char buffer[kBufferSize]; - base::RandBytes(buffer, arraysize(buffer)); + base::RandBytes(buffer, base::size(buffer)); std::string suffix; for (int i = 0; i < kBufferSize; ++i) { int random_value = buffer[i] % (2 * 26 + 10); @@ -505,4 +507,20 @@ bool WriteToFileAtomic(const base::FilePath& path, return true; } +int64_t ComputeDirectoryDiskUsage(const base::FilePath& root_path) { + constexpr size_t S_BLKSIZE = 512; + int64_t running_blocks = 0; + base::FileEnumerator file_iter(root_path, true, + base::FileEnumerator::FILES | + base::FileEnumerator::DIRECTORIES | + base::FileEnumerator::SHOW_SYM_LINKS); + while (!file_iter.Next().empty()) { + // st_blocks in struct stat is the number of S_BLKSIZE (512) bytes sized + // blocks occupied by this file. + running_blocks += file_iter.GetInfo().stat().st_blocks; + } + // Each block is S_BLKSIZE (512) bytes so *S_BLKSIZE. + return running_blocks * S_BLKSIZE; +} + } // namespace brillo |