[sr-dev] git:master:b02b8e82: dialog: handle case of null contact->s value

[Daniel-Constantin Mierla]

Module: kamailio
Branch: master
Commit: b02b8e82a3afec2c0f7f954b5a996476808ee3c6
URL: https://github.com/kamailio/kamailio/commit/b02b8e82a3afec2c0f7f954b5a996476808ee3c6

Author: Daniel-Constantin Mierla <miconda at gmail.com>
Committer: Daniel-Constantin Mierla <miconda at gmail.com>
Date: 2019-04-23T20:51:10+02:00

dialog: handle case of null contact->s value

- get over static analyzer report

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Modified: src/modules/dialog/dlg_hash.c

---

Diff:  https://github.com/kamailio/kamailio/commit/b02b8e82a3afec2c0f7f954b5a996476808ee3c6.diff
Patch: https://github.com/kamailio/kamailio/commit/b02b8e82a3afec2c0f7f954b5a996476808ee3c6.patch

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diff --git a/src/modules/dialog/dlg_hash.c b/src/modules/dialog/dlg_hash.c
index 5c11bada52..6035a74f6e 100644
--- a/src/modules/dialog/dlg_hash.c
+++ b/src/modules/dialog/dlg_hash.c
@@ -584,7 +584,13 @@ int dlg_set_leg_info(struct dlg_cell *dlg, str* tag, str *rr, str *contact,
 
 	/* contact */
 	dlg->contact[leg].len = contact->len;
-	memcpy(dlg->contact[leg].s, contact->s, contact->len);
+	if(contact->s) {
+		memcpy(dlg->contact[leg].s, contact->s, contact->len);
+	} else {
+		if(contact->len>0) {
+			memset(dlg->contact[leg].s, 0, contact->len);
+		}
+	}
 	/* cseq */
 	dlg->cseq[leg].len = cs.len;
 	memcpy( dlg->cseq[leg].s, cs.s, cs.len);