ovsdb-data: New function ovsdb_datum_from_shash().

[sliver-openvswitch.git] / lib / ovsdb-data.c

diff --git a/lib/ovsdb-data.c b/lib/ovsdb-data.c
index dba89ac..492da7f 100644 (file)
--- a/lib/ovsdb-data.c
+++ b/lib/ovsdb-data.c
@@ -1214,23 +1214,6 @@ ovsdb_datum_from_json(struct ovsdb_datum *datum,
     return error;
 }
 
-/* This is the same as ovsdb_datum_from_json(), except that duplicate values
- * in a set or map are dropped instead of being treated as an error. */
-struct ovsdb_error *
-ovsdb_datum_from_json_unique(struct ovsdb_datum *datum,
-                             const struct ovsdb_type *type,
-                             const struct json *json,
-                             struct ovsdb_symbol_table *symtab)
-{
-    struct ovsdb_error *error;
-
-    error = ovsdb_datum_from_json__(datum, type, json, symtab);
-    if (!error) {
-        ovsdb_datum_sort_unique(datum, type->key.type, type->value.type);
-    }
-    return error;
-}
-
 /* Converts 'datum', of the specified 'type', to JSON format, and returns the
  * JSON.  The caller is responsible for freeing the returned JSON.
  *
@@ -1461,6 +1444,31 @@ ovsdb_datum_to_string(const struct ovsdb_datum *datum,
     }
 }
 
+/* Initializes 'datum' as a string-to-string map whose contents are taken from
+ * 'sh'.  Destroys 'sh'. */
+void
+ovsdb_datum_from_shash(struct ovsdb_datum *datum, struct shash *sh)
+{
+    struct shash_node *node, *next;
+    size_t i;
+
+    datum->n = shash_count(sh);
+    datum->keys = xmalloc(datum->n * sizeof *datum->keys);
+    datum->values = xmalloc(datum->n * sizeof *datum->values);
+
+    i = 0;
+    SHASH_FOR_EACH_SAFE (node, next, sh) {
+        datum->keys[i].string = node->name;
+        datum->values[i].string = node->data;
+        shash_steal(sh, node);
+        i++;
+    }
+    assert(i == datum->n);
+
+    shash_destroy(sh);
+    ovsdb_datum_sort_unique(datum, OVSDB_TYPE_STRING, OVSDB_TYPE_STRING);
+}
+
 static uint32_t
 hash_atoms(enum ovsdb_atomic_type type, const union ovsdb_atom *atoms,
            unsigned int n, uint32_t basis)