Merge commit 'c8bf38e5fb' as 'dependencies/uthash'

dependencies/uthash/tests/test21.c

@@ -0,0 +1,44 @@
+#include <stdlib.h>
+#include <stdio.h>
+#include "uthash.h"
+
+typedef struct {
+    char a;
+    int b;
+} record_key_t;
+
+typedef struct {
+    record_key_t key;
+    /* ... other data ... */
+    UT_hash_handle hh;
+} record_t;
+
+int main()
+{
+    record_t l, *p, *r, *tmp, *records = NULL;
+
+    r = (record_t*)malloc( sizeof(record_t) );
+    if (r == NULL) {
+        exit(-1);
+    }
+    memset(r, 0, sizeof(record_t));
+    r->key.a = 'a';
+    r->key.b = 1;
+    HASH_ADD(hh, records, key, sizeof(record_key_t), r);
+
+    memset(&l, 0, sizeof(record_t));
+    l.key.a = 'a';
+    l.key.b = 1;
+    HASH_FIND(hh, records, &l.key, sizeof(record_key_t), p);
+
+    if (p != NULL) {
+        printf("found %c %d\n", p->key.a, p->key.b);
+    }
+
+    HASH_ITER(hh, records, p, tmp) {
+        HASH_DEL(records, p);
+        free(p);
+    }
+    return 0;
+}
+