--- libaitcfg/src/parse.c	2019/11/21 14:30:02	1.18
+++ libaitcfg/src/parse.c	2021/11/26 01:15:03	1.19
@@ -3,7 +3,7 @@
 *  by Michael Pounov <misho@openbsd-bg.org>
 *
 * $Author: misho $
-* $Id: parse.c,v 1.18 2019/11/21 14:30:02 misho Exp $
+* $Id: parse.c,v 1.19 2021/11/26 01:15:03 misho Exp $
 *
 **************************************************************************
 The ELWIX and AITNET software is distributed under the following
@@ -12,7 +12,7 @@ terms:
 All of the documentation and software included in the ELWIX and AITNET
 Releases is copyrighted by ELWIX - Sofia/Bulgaria <info@elwix.org>
 
-Copyright 2004 - 2018
+Copyright 2004 - 2021
 	by Michael Pounov <misho@elwix.org>.  All rights reserved.
 
 Redistribution and use in source and binary forms, with or without
@@ -269,6 +269,76 @@ skip_sec:
 	return 0;
 }
 
+/*
+ * cfgWriteConfigRaw() - Write config from memory by list
+ *
+ * @f = File handle
+ * @cfg = Config root
+ * @whitespace = Additional whitespace characters to file
+ * return: -1 error or 0 ok
+ */
+int
+cfgWriteConfigRaw(FILE *f, cfg_root_t * __restrict cfg, int whitespace)
+{
+	struct tagCfg *av, *nxt;
+	char line[BUFSIZ] = { 0 }, szSection[STRSIZ] = { [0 ... STRSIZ - 1] = 0 };
+
+	if (!f || !cfg) {
+		cfg_SetErr(EINVAL, "Invalid parameter(s)");
+		return -1;
+	}
+
+	CFG_RC_LOCK(cfg);
+	TAILQ_FOREACH_SAFE(av, cfg, cfg_next, nxt) {
+		/* empty lines or comment */
+		if (AIT_ISEMPTY(&av->cfg_attr)) {
+			if (AIT_ISEMPTY(&av->cfg_val))
+				continue;
+			strlcpy(line, AIT_GET_STR(&av->cfg_val), sizeof line);
+			goto skip_sec;
+		}
+
+		/* section [] */
+		if (!AIT_ISEMPTY(&av->cfg_sec) && AIT_ADDR(&av->cfg_sec) && 
+				strcmp(AIT_GET_STRZ(&av->cfg_sec), szSection)) {
+			strlcpy(szSection, AIT_GET_STR(&av->cfg_sec), sizeof szSection);
+			if (!cfg_Write(f, "\n[%s]\n", AIT_GET_STR(&av->cfg_sec))) {
+				LOGERR;
+				CFG_RC_UNLOCK(cfg);
+				return -1;
+			}
+		} else if (AIT_ISEMPTY(&av->cfg_sec) && *szSection) {
+			memset(szSection, 0, sizeof szSection);
+			if (!cfg_Write(f, "\n[]\n")) {
+				LOGERR;
+				CFG_RC_UNLOCK(cfg);
+				return -1;
+			}
+		}
+
+		/* build line */
+		memset(line, 0, sizeof line);
+		if (!AIT_ISEMPTY(&av->cfg_attr) && AIT_TYPE(&av->cfg_attr) == string) {
+			strlcpy(line, AIT_GET_STRZ(&av->cfg_attr), sizeof line);
+			if (whitespace)
+				strlcat(line, " = ", sizeof line);
+			else
+				strlcat(line, "=", sizeof line);
+		}
+		if (!AIT_ISEMPTY(&av->cfg_val) && AIT_TYPE(&av->cfg_val) == string)
+			strlcat(line, AIT_GET_STRZ(&av->cfg_val), sizeof line);
+skip_sec:
+		/* write */
+		if (!cfg_Write(f, "%s\n", line)) {
+			LOGERR;
+			CFG_RC_UNLOCK(cfg);
+			return -1;
+		}
+	}
+	CFG_RC_UNLOCK(cfg);
+
+	return 0;
+}
 /*
  * cfgConcatConfig() - Concat two configs into one
  *