[sr-dev] git:master: pv: use local buffer to return empty val after s.strip

Module: sip-router Branch: master Commit: 3691d7b9a1142eaeba2521fe01d3c1c6e9ceef2b URL: http://git.sip-router.org/cgi-bin/gitweb.cgi/sip-router/?a=commit;h=3691d7b… Author: Daniel-Constantin Mierla <miconda(a)gmail.com> Committer: Daniel-Constantin Mierla <miconda(a)gmail.com> Date: Tue Apr 20 17:45:25 2010 +0200 pv: use local buffer to return empty val after s.strip - further assignments may want to ensure it is zero-terminated and cause crash - reported by Juha Heinanen --- modules_k/pv/pv_trans.c | 3 ++- 1 files changed, 2 insertions(+), 1 deletions(-) diff --git a/modules_k/pv/pv_trans.c b/modules_k/pv/pv_trans.c index 9ddd125..dbe2ab7 100644 --- a/modules_k/pv/pv_trans.c +++ b/modules_k/pv/pv_trans.c @@ -442,7 +442,8 @@ int tr_eval_string(struct sip_msg *msg, tr_param_t *tp, int subtype, break; if(i>=val->rs.len) { - val->rs.s = ""; + _tr_buffer[0] = '\0'; + val->rs.s = _tr_buffer; val->rs.len = 0; break; }