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fix: revert "refactor: mmap asar files (#24470)" (#28137)

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This reverts commit 01a2e23194.
This commit is contained in:
Jeremy Rose 2021-03-15 11:42:54 -07:00 • committed by GitHub
parent b023b33c05
commit d27ad0d182
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7 changed files with 114 additions and 133 deletions
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23
shell/common/asar/scoped_temporary_file.cc
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@ -48,4 +48,27 @@ 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