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checksum: Don't read the entire input file in memory

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Unsurprisingly, this doesn't work too well if the input file is in the
gigabyte range.
This commit is contained in:
Jean-Baptiste Boric 2021-03-18 22:58:39 +01:00 • committed by Andreas Kling
parent eea5a5ed5d
commit 67f01fd82e
1 changed files with 3 additions and 1 deletions
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4
Userland/Utilities/checksum.cpp
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@ -85,7 +85,9 @@ int main(int argc, char** argv)
has_error = true; has_error = true;
continue; continue;
} }
hash.update(file->read_all());
while (!file->eof() && !file->has_error())
hash.update(file->read(PAGE_SIZE));
auto digest = hash.digest(); auto digest = hash.digest();
auto digest_data = digest.immutable_data(); auto digest_data = digest.immutable_data();
StringBuilder builder; StringBuilder builder;