hashmap: introduce hashmap_free_entries
`hashmap_free_entries' behaves like `container_of' and passes the offset of the hashmap_entry struct to the internal `hashmap_free_' function, allowing the function to free any struct pointer regardless of where the hashmap_entry field is located. `hashmap_free' no longer takes any arguments aside from the hashmap itself. Signed-off-by: Eric Wong <e@80x24.org> Reviewed-by: Derrick Stolee <stolee@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Junio C Hamano

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c8e424c9c9
@ -2172,7 +2172,8 @@ void ref_array_clear(struct ref_array *array)
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used_atom_cnt = 0;
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if (ref_to_worktree_map.worktrees) {
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hashmap_free(&(ref_to_worktree_map.map), 1);
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hashmap_free_entries(&(ref_to_worktree_map.map),
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struct ref_to_worktree_entry, ent);
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free_worktrees(ref_to_worktree_map.worktrees);
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ref_to_worktree_map.worktrees = NULL;
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}
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