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gallium/auxiliary: Add helper function to count the number of entries in hash table

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CC: <mesa-stable@lists.freedesktop.org>
Reviewed-by: Marek Olšák <marek.olsak@amd.com>
Signed-off-by: Jan Vesely <jan.vesely@rutgers.edu>
This commit is contained in:
Jan Vesely 2018-05-09 15:06:33 -04:00
parent 0defc55547
commit d146768d13
2 changed files with 22 additions and 0 deletions
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17
src/gallium/auxiliary/util/u_hash_table.c
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@ -270,6 +270,23 @@ util_hash_table_foreach(struct util_hash_table *ht,
}
static enum pipe_error
util_hash_inc(void *k, void *v, void *d)
{
++*(size_t *)d;
return PIPE_OK;
}
size_t
util_hash_table_count(struct util_hash_table *ht)
{
size_t count = 0;
util_hash_table_foreach(ht, util_hash_inc, &count);
return count;
}
void
util_hash_table_destroy(struct util_hash_table *ht)
{

5
src/gallium/auxiliary/util/u_hash_table.h
View file

@ -85,6 +85,11 @@ util_hash_table_foreach(struct util_hash_table *ht,
(void *key, void *value, void *data),
void *data);
size_t
util_hash_table_count(struct util_hash_table *ht);
void
util_hash_table_destroy(struct util_hash_table *ht);