Merge commit 'c8bf38e5fb' as 'dependencies/uthash'

dependencies/uthash/tests/test9.c

@@ -0,0 +1,37 @@
+#include "uthash.h"
+#include <stdlib.h>   /* malloc */
+#include <stdio.h>    /* printf */
+
+typedef struct example_user_t {
+    int id;
+    int cookie;
+    UT_hash_handle hh;
+} example_user_t;
+
+int main()
+{
+    int i;
+    example_user_t *user, *tmp, *users=NULL;
+
+    /* create elements */
+    for(i=0; i<1000; i++) {
+        user = (example_user_t*)malloc(sizeof(example_user_t));
+        if (user == NULL) {
+            exit(-1);
+        }
+        user->id = i;
+        user->cookie = i*i;
+        HASH_ADD_INT(users,id,user);
+    }
+
+    /* delete each ID */
+    for(i=0; i<1000; i+=2) {
+        HASH_FIND_INT(users,&i,tmp);
+        if (tmp != NULL) {
+            printf("user %d, cookie %d\n", tmp->id, tmp->cookie);
+        } else {
+            printf("user id %d not found\n", i);
+        }
+    }
+    return 0;
+}