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-rw-r--r--src/libutil/tarfile.cc7
1 files changed, 5 insertions, 2 deletions
diff --git a/src/libutil/tarfile.cc b/src/libutil/tarfile.cc
index 24905130d..38b4919dc 100644
--- a/src/libutil/tarfile.cc
+++ b/src/libutil/tarfile.cc
@@ -87,13 +87,16 @@ static void extract_archive(TarArchive & archive, const Path & destDir)
struct archive_entry * entry;
int r = archive_read_next_header(archive.archive, &entry);
if (r == ARCHIVE_EOF) break;
- else if (r == ARCHIVE_WARN)
+ auto name = archive_entry_pathname(entry);
+ if (!name)
+ throw Error("cannot get archive member name: %s", archive_error_string(archive.archive));
+ if (r == ARCHIVE_WARN)
warn(archive_error_string(archive.archive));
else
archive.check(r);
archive_entry_set_pathname(entry,
- (destDir + "/" + archive_entry_pathname(entry)).c_str());
+ (destDir + "/" + name).c_str());
archive.check(archive_read_extract(archive.archive, entry, flags));
}