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cozis
2025-11-07 20:26:15 +01:00
parent 44fb1c4f36
commit d7cf946431
6 changed files with 144 additions and 42 deletions
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src/file_tree.c
+10 -5
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@@ -423,14 +423,19 @@ int file_tree_read(FileTree *ft, string path,
uint64_t first_chunk_index = off / f->chunk_size;
uint64_t last_chunk_index = (off + len - 1) / f->chunk_size;
if (first_chunk_index >= f->num_chunks)
return 0;
if (last_chunk_index >= f->num_chunks) {
if (f->num_chunks == 0)
return 0;
last_chunk_index = f->num_chunks-1;
}
int num_hashes = 0;
for (uint32_t i = first_chunk_index; i <= last_chunk_index; i++) {
SHA256 hash;
if (i >= f->num_chunks)
hash = ZERO_HASH;
else
hash = f->chunks[i];
SHA256 hash = f->chunks[i];
if (num_hashes < max_hashes)
hashes[num_hashes] = hash;