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reftable: introduce macros to allocate arrays

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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 <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Patrick Steinhardt
2024-02-06 07:35:27 +01:00
committed by Junio C Hamano
parent f6b58c1be4
commit b4ff12c8ee
16 changed files with 68 additions and 61 deletions
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4
reftable/tree.c
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@ -20,8 +20,8 @@ struct tree_node *tree_search(void *key, struct tree_node **rootp,
if (!insert) {
return NULL;
} else {
struct tree_node *n =
reftable_calloc(sizeof(struct tree_node));
struct tree_node *n;
REFTABLE_CALLOC_ARRAY(n, 1);
n->key = key;
*rootp = n;
return *rootp;