[sr-dev] git:5.1:03dd5924: core: improve to header check guards, str consists of length and pointer

Module: kamailio Branch: 5.1 Commit: 03dd59249d17c55c749d4a4e806843f7f407e4ea URL: https://github.com/kamailio/kamailio/commit/03dd59249d17c55c749d4a4e806843f… Author: Henning Westerholt <hw(a)kamailio.org> Committer: Henning Westerholt <hw(a)kamailio.org> Date: 2018-05-07T20:20:49+02:00 core: improve to header check guards, str consists of length and pointer (cherry picked from commit 281a6c6b6eaaf30058b603325e8ded20b99e1456) --- Modified: src/core/msg_translator.c --- Diff: https://github.com/kamailio/kamailio/commit/03dd59249d17c55c749d4a4e806843f… Patch: https://github.com/kamailio/kamailio/commit/03dd59249d17c55c749d4a4e806843f… --- diff --git a/src/core/msg_translator.c b/src/core/msg_translator.c index ca0f9fa521..201e3a5e1d 100644 --- a/src/core/msg_translator.c +++ b/src/core/msg_translator.c @@ -2367,7 +2367,7 @@ char * build_res_buf_from_sip_req( unsigned int code, str *text ,str *new_tag, case HDR_TO_T: if (new_tag && new_tag->len) { to_tag=get_to(msg)->tag_value; - if ( to_tag.len || to_tag.s ) + if ( to_tag.len && to_tag.s ) len+=new_tag->len-to_tag.len; else len+=new_tag->len+TOTAG_TOKEN_LEN/*";tag="*/; @@ -2495,7 +2495,7 @@ char * build_res_buf_from_sip_req( unsigned int code, str *text ,str *new_tag, break; case HDR_TO_T: if (new_tag && new_tag->len){ - if (to_tag.s ) { /* replacement */ + if (to_tag.len && to_tag.s) { /* replacement */ /* before to-tag */ append_str( p, hdr->name.s, to_tag.s-hdr->name.s); /* to tag replacement */