[sr-dev] git:3.1: textops(k): handle no match for subst transformation

[Daniel-Constantin Mierla]

Module: sip-router
Branch: 3.1
Commit: 604db10f6d8f952ab0989f159f62ddab77059e1f
URL:    http://git.sip-router.org/cgi-bin/gitweb.cgi/sip-router/?a=commit;h=604db10f6d8f952ab0989f159f62ddab77059e1f

Author: Daniel-Constantin Mierla <miconda at gmail.com>
Committer: Daniel-Constantin Mierla <miconda at gmail.com>
Date:   Sat Jan 29 00:36:52 2011 +0100

textops(k): handle no match for subst transformation
(cherry picked from commit c0f87c06f60e2208f5e4421e9002f331cacb8a27)

---

 modules_k/textops/txt_var.c |    5 +++++
 1 files changed, 5 insertions(+), 0 deletions(-)

diff --git a/modules_k/textops/txt_var.c b/modules_k/textops/txt_var.c
index 4de2f63..ae1fce6 100644
--- a/modules_k/textops/txt_var.c
+++ b/modules_k/textops/txt_var.c
@@ -64,6 +64,11 @@ int tr_txt_eval_re(struct sip_msg *msg, tr_param_t *tp, int subtype,
 			result=subst_str(tr_txt_buf, msg, se, &nmatches);
 			if (result == NULL)
 			{
+				if (nmatches==0)
+				{
+					LM_DBG("no match for subst expression\n");
+					return 0;
+				}
 				if (nmatches<0)
 					LM_ERR("subst failed\n");
 				return -1;