--- libelwix/src/json.c	2025/08/25 10:05:52	1.12.2.1
+++ libelwix/src/json.c	2025/08/25 13:00:37	1.13
@@ -3,7 +3,7 @@
 *  by Michael Pounov <misho@elwix.org>
 *
 * $Author: misho $
-* $Id: json.c,v 1.12.2.1 2025/08/25 10:05:52 misho Exp $
+* $Id: json.c,v 1.13 2025/08/25 13:00:37 misho Exp $
 *
 **************************************************************************
 The ELWIX and AITNET software is distributed under the following
@@ -811,7 +811,24 @@ json_token2array(const char *jstr, jtok_t * __restrict
 	return arr;
 }
 
+/*
+ * json_freearray() - Free & destroy allocated array from json_token2array function
+ *
+ * @parr = Array
+ * return -1 error or 0 ok
+ */
+int
+json_freearray(array_t **parr)
+{
+	if (!parr)
+		return -1;
 
+	array_Free(*parr);
+	array_Destroy(parr);
+	return 0;
+}
+
+
 /*
  * json_add_begin_object() - Adds begin of object {
  *
@@ -1421,6 +1438,9 @@ json_validate(const char *jstr, int *started)
 {
 	register int o = 0, a = 0, q = 0, pos = 0;
 
+	if (!jstr)
+		return -1;
+
 	if (started)
 		*started = 0;
 
@@ -1458,4 +1478,57 @@ json_validate(const char *jstr, int *started)
 	} while (q || a || o);
 
 	return pos;
+}
+
+/*
+ * json_marshaling() - Prepare JSON to one continues line
+ *
+ * @jstr = JSON string
+ * @space = if it is 0 then spaces will be removed
+ * return NULL error or !=NULL ready JSON for proceeding
+ */
+char *
+json_marshaling(char * __restrict jstr, int space)
+{
+	int started, ended, len;
+	char *str, *pos, *js;
+	register int q = 0;
+
+	if (!jstr)
+		return NULL;
+	else
+		js = jstr;
+
+	ended = json_validate(jstr, &started);
+	if (!ended)
+		return NULL;
+	len = ended - started + 1;
+	str = e_malloc(len);
+	if (!str)
+		return NULL;
+	else {
+		memset(str, 0, len);
+		pos = str;
+	}
+
+	js += started;
+	while (*js && js < jstr + ended && --len) {
+		if (*js < 0x20) {
+			js++;
+			continue;
+		}
+		if (space && !q && *js == 0x20) {
+			js++;
+			continue;
+		}
+		if (*js == '"')
+			q = ~q;
+		*pos++ = *js++;
+	}
+	*pos = 0;
+
+	len = strlen(jstr) + 1;
+	strlcpy(jstr, str, len);
+	e_free(str);
+	return jstr;
 }