[4/9] Fix issue if there is an empty string in encoded text

Commit Message

Chris Talbot April 10, 2021, 2:21 p.m. UTC

A swedish carrier sends an empty string in the subject line. This
patch allows mmsd to handle it
---
 src/mmsutil.c | 7 +++++++
 1 file changed, 7 insertions(+)

 		/* Text-string */

Patch

diff --git a/src/mmsutil.c b/src/mmsutil.c
index 9430bf1..615198f 100644
--- a/src/mmsutil.c
+++ b/src/mmsutil.c
@@ -297,6 +297,13 @@  static gboolean extract_encoded_text(struct
wsp_header_iter *iter, void *user)
 	p = wsp_header_iter_get_val(iter);
 	l = wsp_header_iter_get_val_len(iter);
 
+	if(l == 0) {
+		DBG("Length is 0! Returning empty string");
+		dec_text = g_strdup("");
+		*out = dec_text;
+		return TRUE;
+	}
+
 	switch (wsp_header_iter_get_val_type(iter)) {
 	case WSP_VALUE_TYPE_TEXT: