Module: kamailio Branch: master Commit: 112f38a4787c4ea5a3b3df3ebc8619f08a05e790 URL: https://github.com/kamailio/kamailio/commit/112f38a4787c4ea5a3b3df3ebc8619f… Author: Daniel-Constantin Mierla <miconda(a)gmail.com> Committer: Daniel-Constantin Mierla <miconda(a)gmail.com> Date: 2021-11-22T18:54:02+01:00 pv: added {val.ne} transformation - return empty string if the variable value is $null --- Modified: src/modules/pv/pv_trans.c Modified: src/modules/pv/pv_trans.h --- Diff: https://github.com/kamailio/kamailio/commit/112f38a4787c4ea5a3b3df3ebc8619f… Patch: https://github.com/kamailio/kamailio/commit/112f38a4787c4ea5a3b3df3ebc8619f… --- diff --git a/src/modules/pv/pv_trans.c b/src/modules/pv/pv_trans.c index 4848936d62..e221cb300e 100644 --- a/src/modules/pv/pv_trans.c +++ b/src/modules/pv/pv_trans.c @@ -2551,6 +2551,16 @@ int tr_eval_val(struct sip_msg *msg, tr_param_t *tp, int subtype, val->flags = PV_TYPE_INT|PV_VAL_INT|PV_VAL_STR; } break; + case TR_VAL_NE: + if(val->flags&PV_VAL_NULL) { + val->ri = 0; + tr_set_crt_buffer(); + val->rs.s = _tr_buffer; + val->rs.s[0] = '\0'; + val->rs.len = 0; + val->flags = PV_VAL_STR; + } + break; case TR_VAL_JSON: if(val->flags&PV_VAL_NULL) { val->ri = 0; @@ -3831,6 +3841,9 @@ char* tr_parse_val(str* in, trans_t *t) if(name.len==2 && strncasecmp(name.s, "n0", 2)==0) { t->subtype = TR_VAL_N0; goto done; + } else if(name.len==2 && strncasecmp(name.s, "ne", 2)==0) { + t->subtype = TR_VAL_NE; + goto done; } else if(name.len==4 && strncasecmp(name.s, "json", 4)==0) { t->subtype = TR_VAL_JSON; goto done; diff --git a/src/modules/pv/pv_trans.h b/src/modules/pv/pv_trans.h index ebae2720f9..329f09a8a2 100644 --- a/src/modules/pv/pv_trans.h +++ b/src/modules/pv/pv_trans.h @@ -73,7 +73,7 @@ enum _tr_urialias_subtype { }; enum _tr_val_subtype { - TR_VAL_NONE=0, TR_VAL_N0, TR_VAL_JSON + TR_VAL_NONE=0, TR_VAL_N0, TR_VAL_NE, TR_VAL_JSON };