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prune_refs(): also free the linked list

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At least since v1.7, the elements of the `refs_to_prune` linked list
have been leaked. Fix the leak by teaching `prune_refs()` to free the
list elements as it processes them.

Signed-off-by: Michael Haggerty <mhagger@alum.mit.edu>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Michael Haggerty 2017-09-08 15:51:48 +02:00 committed by Junio C Hamano
parent 27d03d04d5
commit 22b09cdfad
1 changed files with 10 additions and 4 deletions
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14
refs/files-backend.c
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@ -1057,11 +1057,17 @@ static void prune_ref(struct files_ref_store *refs, struct ref_to_prune *r)
strbuf_release(&err);
}
static void prune_refs(struct files_ref_store *refs, struct ref_to_prune *r)
/*
* Prune the loose versions of the references in the linked list
* `*refs_to_prune`, freeing the entries in the list as we go.
*/
static void prune_refs(struct files_ref_store *refs, struct ref_to_prune **refs_to_prune)
{
while (r) {
while (*refs_to_prune) {
struct ref_to_prune *r = *refs_to_prune;
*refs_to_prune = r->next;
prune_ref(refs, r);
r = r->next;
free(r);
}
}
@ -1148,7 +1154,7 @@ static int files_pack_refs(struct ref_store *ref_store, unsigned int flags)
packed_refs_unlock(refs->packed_ref_store);
prune_refs(refs, refs_to_prune);
prune_refs(refs, &refs_to_prune);
strbuf_release(&err);
return 0;
}