1 files changed, 59 insertions, 0 deletions
diff --git a/src/lib-dict/dict-transaction-memory.c b/src/lib-dict/dict-transaction-memory.c
new file mode 100644
index 0000000..4793ad3
--- /dev/null
+++ b/src/lib-dict/dict-transaction-memory.c
@@ -0,0 +1,59 @@
+/* Copyright (c) 2005-2018 Dovecot authors, see the included COPYING file */
+
+#include "lib.h"
+#include "array.h"
+#include "dict-transaction-memory.h"
+
+void dict_transaction_memory_init(struct dict_transaction_memory_context *ctx,
+				  struct dict *dict, pool_t pool)
+{
+	ctx->ctx.dict = dict;
+	ctx->pool = pool;
+	p_array_init(&ctx->changes, pool, 32);
+}
+
+void dict_transaction_memory_rollback(struct dict_transaction_context *_ctx)
+{
+	struct dict_transaction_memory_context *ctx =
+		(struct dict_transaction_memory_context *)_ctx;
+
+	pool_unref(&ctx->pool);
+}
+
+void dict_transaction_memory_set(struct dict_transaction_context *_ctx,
+				 const char *key, const char *value)
+{
+	struct dict_transaction_memory_context *ctx =
+		(struct dict_transaction_memory_context *)_ctx;
+	struct dict_transaction_memory_change *change;
+
+	change = array_append_space(&ctx->changes);
+	change->type = DICT_CHANGE_TYPE_SET;
+	change->key = p_strdup(ctx->pool, key);
+	change->value.str = p_strdup(ctx->pool, value);
+}
+
+void dict_transaction_memory_unset(struct dict_transaction_context *_ctx,
+				   const char *key)
+{
+	struct dict_transaction_memory_context *ctx =
+		(struct dict_transaction_memory_context *)_ctx;
+	struct dict_transaction_memory_change *change;
+
+	change = array_append_space(&ctx->changes);
+	change->type = DICT_CHANGE_TYPE_UNSET;
+	change->key = p_strdup(ctx->pool, key);
+}
+
+void dict_transaction_memory_atomic_inc(struct dict_transaction_context *_ctx,
+					const char *key, long long diff)
+{
+	struct dict_transaction_memory_context *ctx =
+		(struct dict_transaction_memory_context *)_ctx;
+	struct dict_transaction_memory_change *change;
+
+	change = array_append_space(&ctx->changes);
+	change->type = DICT_CHANGE_TYPE_INC;
+	change->key = p_strdup(ctx->pool, key);
+	change->value.diff = diff;
+}