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-rw-r--r--src/common/container.c14
1 files changed, 14 insertions, 0 deletions
diff --git a/src/common/container.c b/src/common/container.c
index f5461ef4c8..5f829c29ec 100644
--- a/src/common/container.c
+++ b/src/common/container.c
@@ -221,6 +221,20 @@ smartlist_string_num_isin(const smartlist_t *sl, int num)
return smartlist_string_isin(sl, buf);
}
+/** Return true iff <b>sl</b> has some element E such that
+ * !memcmp(E,<b>element</b>,DIGEST_LEN)
+ */
+int
+smartlist_digest_isin(const smartlist_t *sl, const char *element)
+{
+ int i;
+ if (!sl) return 0;
+ for (i=0; i < sl->num_used; i++)
+ if (memcmp((const char*)sl->list[i],element,DIGEST_LEN)==0)
+ return 1;
+ return 0;
+}
+
/** Return true iff some element E of sl2 has smartlist_isin(sl1,E).
*/
int