From b4ff12c8eefff9cba73ba3cb7492111adfa31d87 Mon Sep 17 00:00:00 2001 From: Patrick Steinhardt Date: Tue, 6 Feb 2024 07:35:27 +0100 Subject: reftable: introduce macros to allocate arrays Similar to the preceding commit, let's carry over macros to allocate arrays with `REFTABLE_ALLOC_ARRAY()` and `REFTABLE_CALLOC_ARRAY()`. This requires us to change the signature of `reftable_calloc()`, which only takes a single argument right now and thus puts the burden on the caller to calculate the final array's size. This is a net improvement though as it means that we can now provide proper overflow checks when multiplying the array size with the member size. Convert callsites of `reftable_calloc()` to the new signature and start using the new macros where possible. Signed-off-by: Patrick Steinhardt Signed-off-by: Junio C Hamano --- reftable/reader.c | 8 +++----- 1 file changed, 3 insertions(+), 5 deletions(-) (limited to 'reftable/reader.c') diff --git a/reftable/reader.c b/reftable/reader.c index 64dc366fb1..3e0de5e8ad 100644 --- a/reftable/reader.c +++ b/reftable/reader.c @@ -539,8 +539,7 @@ static int reader_seek_indexed(struct reftable_reader *r, if (err == 0) { struct table_iter empty = TABLE_ITER_INIT; - struct table_iter *malloced = - reftable_calloc(sizeof(struct table_iter)); + struct table_iter *malloced = reftable_calloc(1, sizeof(*malloced)); *malloced = empty; table_iter_copy_from(malloced, &next); iterator_from_table_iter(it, malloced); @@ -635,8 +634,7 @@ void reader_close(struct reftable_reader *r) int reftable_new_reader(struct reftable_reader **p, struct reftable_block_source *src, char const *name) { - struct reftable_reader *rd = - reftable_calloc(sizeof(struct reftable_reader)); + struct reftable_reader *rd = reftable_calloc(1, sizeof(*rd)); int err = init_reader(rd, src, name); if (err == 0) { *p = rd; @@ -711,7 +709,7 @@ static int reftable_reader_refs_for_unindexed(struct reftable_reader *r, uint8_t *oid) { struct table_iter ti_empty = TABLE_ITER_INIT; - struct table_iter *ti = reftable_calloc(sizeof(struct table_iter)); + struct table_iter *ti = reftable_calloc(1, sizeof(*ti)); struct filtering_ref_iterator *filter = NULL; struct filtering_ref_iterator empty = FILTERING_REF_ITERATOR_INIT; int oid_len = hash_size(r->hash_id); -- cgit v1.3