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Truncate metadata export output file

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This commit is contained in:
Marcus Holland-Moritz 2021-03-24 22:57:45 +01:00
parent e67d3df41a
commit 50d42005e3
1 changed files with 1 additions and 1 deletions
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src/dwarfsck.cpp
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@ -104,7 +104,7 @@ int dwarfsck(int argc, char** argv) {
auto mm = std::make_shared<mmap>(input); auto mm = std::make_shared<mmap>(input);
if (!export_metadata.empty()) { if (!export_metadata.empty()) {
auto of = folly::File(export_metadata, O_RDWR | O_CREAT); auto of = folly::File(export_metadata, O_RDWR | O_CREAT | O_TRUNC);
filesystem_v2 fs(lgr, mm); filesystem_v2 fs(lgr, mm);
auto json = fs.serialize_metadata_as_json(true); auto json = fs.serialize_metadata_as_json(true);
if (folly::writeFull(of.fd(), json.data(), json.size()) < 0) { if (folly::writeFull(of.fd(), json.data(), json.size()) < 0) {