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Add a quick macro to calculate hashtable memory usage

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This commit is contained in:
Nick Mathewson
2009-05-22 23:30:52 -04:00
parent 9f69b3d94c
commit 793e97bb2a
1 changed files with 4 additions and 0 deletions
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src/common/ht.h
+4
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@@ -42,6 +42,10 @@
#define HT_SIZE(head) \
((head)->hth_n_entries)
/* Return memory usage for a hashtable (not counting the entries themselves) */
#define HT_MEM_USAGE(head) \
(sizeof(*head) + (head)->hth_table_length * sizeof(void*))
#define HT_FIND(name, head, elm) name##_HT_FIND((head), (elm))
#define HT_INSERT(name, head, elm) name##_HT_INSERT((head), (elm))
#define HT_REPLACE(name, head, elm) name##_HT_REPLACE((head), (elm))