The restart length is tracked as a positive integer even though it cannot ever be negative. Furthermore, it is effectively capped via the MAX_RESTARTS variable. Adjust the type of the variable to be `uint32_t`. While this type is excessive given that MAX_RESTARTS fits into an `uint16_t`, other places already use 32 bit integers for restarts, so this type is being more consistent. Signed-off-by: Patrick Steinhardt <ps@xxxxxx> --- reftable/block.c | 12 +++++------- reftable/reftable-writer.h | 2 +- 2 files changed, 6 insertions(+), 8 deletions(-) diff --git a/reftable/block.c b/reftable/block.c index 1275085257..8ac865ce78 100644 --- a/reftable/block.c +++ b/reftable/block.c @@ -40,16 +40,15 @@ size_t footer_size(int version) static int block_writer_register_restart(struct block_writer *w, int n, int is_restart, struct reftable_buf *key) { - int rlen, err; + uint32_t rlen; + int err; rlen = w->restart_len; - if (rlen >= MAX_RESTARTS) { + if (rlen >= MAX_RESTARTS) is_restart = 0; - } - if (is_restart) { + if (is_restart) rlen++; - } if (2 + 3 * rlen + n > w->block_size - w->next) return -1; if (is_restart) { @@ -148,8 +147,7 @@ int block_writer_add(struct block_writer *w, struct reftable_record *rec) int block_writer_finish(struct block_writer *w) { - int i; - for (i = 0; i < w->restart_len; i++) { + for (uint32_t i = 0; i < w->restart_len; i++) { put_be24(w->block + w->next, w->restarts[i]); w->next += 3; } diff --git a/reftable/reftable-writer.h b/reftable/reftable-writer.h index 5f9afa620b..bfef3b1721 100644 --- a/reftable/reftable-writer.h +++ b/reftable/reftable-writer.h @@ -84,7 +84,7 @@ struct reftable_block_stats { /* total number of entries written */ int entries; /* total number of key restarts */ - int restarts; + uint32_t restarts; /* total number of blocks */ int blocks; /* total number of index blocks */ -- 2.48.0.257.gd3603152ad.dirty