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refactor: mmap asar files (#24470)

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Jeremy Rose 2020-08-04 11:48:04 -07:00 • committed by GitHub
parent 15ee34a1f2
commit 01a2e23194
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7 changed files with 133 additions and 114 deletions
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23
shell/common/asar/scoped_temporary_file.cc
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@ -48,27 +48,4 @@ bool ScopedTemporaryFile::Init(const base::FilePath::StringType& ext) {
return true;
}
bool ScopedTemporaryFile::InitFromFile(base::File* src,
const base::FilePath::StringType& ext,
uint64_t offset,
uint64_t size) {
if (!src->IsValid())
return false;
if (!Init(ext))
return false;
std::vector<char> buf(size);
int len = src->Read(offset, buf.data(), buf.size());
if (len != static_cast<int>(size))
return false;
base::File dest(path_, base::File::FLAG_OPEN | base::File::FLAG_WRITE);
if (!dest.IsValid())
return false;
return dest.WriteAtCurrentPos(buf.data(), buf.size()) ==
static_cast<int>(size);
}
} // namespace asar