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OSM-binary
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Detect lz4 or zstd compressed data

This commit is contained in:
Jochen Topf 2026-07-24 15:23:25 +02:00
parent 719a26d4af
commit 01f1a3f0be
1 changed files with 30 additions and 0 deletions
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30
tools/osmpbf-outline.cpp
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@ -291,6 +291,36 @@ int main(int argc, char *argv[]) {
err(" lzma-decompression is not supported");
}
// if the blob has lz4-compressed data
if (blob.has_lz4_data()) {
// issue a warning if there is more than one data steam, a blob may only contain one data stream
if (found_data) {
warn(" contains several data streams");
}
// tell about the compressed data
debug(" contains lz4-compressed data: %u bytes", blob.lz4_data().size());
debug(" uncompressed size: %u bytes", blob.raw_size());
// issue a warning, lz4 compression is not yet supported
err(" lz4-decompression is not supported");
}
// if the blob has zstd-compressed data
if (blob.has_zstd_data()) {
// issue a warning if there is more than one data steam, a blob may only contain one data stream
if (found_data) {
warn(" contains several data streams");
}
// tell about the compressed data
debug(" contains zstd-compressed data: %u bytes", blob.zstd_data().size());
debug(" uncompressed size: %u bytes", blob.raw_size());
// issue a warning, zstd compression is not yet supported
err(" zstd-decompression is not supported");
}
// check we have at least one data-stream
if (!found_data) {
err(" does not contain any known data stream");