From b8a79da6ea2158215bc78907c115f1b22052b285 Mon Sep 17 00:00:00 2001
From: Slava Monich <slava.monich@jolla.com>
Date: Thu, 1 May 2014 16:17:41 +0300
Subject: [PATCH] [mms_codec] Handle empty header values

---
 mms-lib/src/mms_codec.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/mms-lib/src/mms_codec.c b/mms-lib/src/mms_codec.c
index b7fd67f..b62d59e 100644
--- a/mms-lib/src/mms_codec.c
+++ b/mms-lib/src/mms_codec.c
@@ -473,6 +473,13 @@ static const char *decode_text(struct wsp_header_iter *iter)
 	const unsigned char *p;
 	unsigned int l;
 
+	if (wsp_header_iter_get_val_type(iter) == WSP_VALUE_TYPE_LONG) {
+		if (iter->len == 0) /* The only way to encode an empty string */
+			return (char*)(iter->pdu + iter->pos - 1);
+
+		return NULL;
+	}
+
 	if (wsp_header_iter_get_val_type(iter) != WSP_VALUE_TYPE_TEXT)
 		return NULL;