[sr-dev] git:5.5:d96e3527: tm: skip body operation on empty string for uac building

[Daniel-Constantin Mierla]

Module: kamailio
Branch: 5.5
Commit: d96e3527c20791cb2291aa91685d5bc85606eb56
URL: https://github.com/kamailio/kamailio/commit/d96e3527c20791cb2291aa91685d5bc85606eb56

Author: Daniel-Constantin Mierla <miconda at gmail.com>
Committer: Daniel-Constantin Mierla <miconda at gmail.com>
Date: 2021-09-09T10:33:21+02:00

tm: skip body operation on empty string for uac building

(cherry picked from commit 34b61d3f1d6b5a0d4425f8edfa69d707cfa058b7)

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Modified: src/modules/tm/t_msgbuilder.c

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Diff:  https://github.com/kamailio/kamailio/commit/d96e3527c20791cb2291aa91685d5bc85606eb56.diff
Patch: https://github.com/kamailio/kamailio/commit/d96e3527c20791cb2291aa91685d5bc85606eb56.patch

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diff --git a/src/modules/tm/t_msgbuilder.c b/src/modules/tm/t_msgbuilder.c
index ef9b45e246..27aaef9b5f 100644
--- a/src/modules/tm/t_msgbuilder.c
+++ b/src/modules/tm/t_msgbuilder.c
@@ -1637,7 +1637,7 @@ char* build_uac_req(str* method, str* headers, str* body, dlg_t* dialog,
 			memapp(w, CRLF, CRLF_LEN);
 	}
 	memapp(w, CRLF, CRLF_LEN);
-	if (body) memapp(w, body->s, body->len);
+	if (body && body->s && body->len>0) memapp(w, body->s, body->len);
 
 #ifdef EXTRA_DEBUG
 	assert(w-buf == *len);