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idxset: implement pa_idxset_copy()

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This commit is contained in:
Lennart Poettering 2009-06-17 03:01:40 +02:00
parent 0b479ffbba
commit 277e8c5ce4
2 changed files with 17 additions and 0 deletions
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14
src/pulsecore/idxset.c
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@ -453,3 +453,17 @@ pa_bool_t pa_idxset_isempty(pa_idxset *s) {
return s->n_entries == 0; return s->n_entries == 0;
} }
pa_idxset *pa_idxset_copy(pa_idxset *s) {
pa_idxset *copy;
struct idxset_entry *i;
pa_assert(s);
copy = pa_idxset_new(s->hash_func, s->compare_func);
for (i = s->iterate_list_head; i; i = i->iterate_next)
pa_idxset_put(copy, i->data, NULL);
return copy;
}

3
src/pulsecore/idxset.h
View file

@ -103,6 +103,9 @@ unsigned pa_idxset_size(pa_idxset*s);
/* Return TRUE of the idxset is empty */ /* Return TRUE of the idxset is empty */
pa_bool_t pa_idxset_isempty(pa_idxset *s); pa_bool_t pa_idxset_isempty(pa_idxset *s);
/* Duplicate the idxset. This will not copy the actual indexes */
pa_idxset *pa_idxset_copy(pa_idxset *s);
/* A macro to ease iteration through all entries */ /* A macro to ease iteration through all entries */
#define PA_IDXSET_FOREACH(e, s, idx) \ #define PA_IDXSET_FOREACH(e, s, idx) \
for ((e) = pa_idxset_first((s), &(idx)); (e); (e) = pa_idxset_next((s), &(idx))) for ((e) = pa_idxset_first((s), &(idx)); (e); (e) = pa_idxset_next((s), &(idx)))