Module: kamailio Branch: master Commit: 6b5959bc4aa760930ac176b8761af2004260705a URL: https://github.com/kamailio/kamailio/commit/6b5959bc4aa760930ac176b8761af20… Author: Daniel-Constantin Mierla &lt;miconda(a)gmail.com&gt; Committer: Daniel-Constantin Mierla &lt;miconda(a)gmail.com&gt; Date: 2015-07-16T12:21:34+02:00 core: pv api - use buffers for empty and null values - safer if any transformation wants to temporary update the value for some operations --- Modified: pvapi.c --- Diff: https://github.com/kamailio/kamailio/commit/6b5959bc4aa760930ac176b8761af20… Patch: https://github.com/kamailio/kamailio/commit/6b5959bc4aa760930ac176b8761af20… --- diff --git a/pvapi.c b/pvapi.c index d60aebc..3918895 100644 --- a/pvapi.c +++ b/pvapi.c @@ -592,6 +592,9 @@ static int pv_get_marker(struct sip_msg *msg, pv_param_t *param, (int)pv_str_marker.s[0]); } +static char pv_str_empty_buf[2]; +static char pv_str_null_buf[8]; + static str pv_str_empty = { "", 0 }; static str pv_str_null = { "<null>", 6 }; int pv_get_null(struct sip_msg *msg, pv_param_t *param, pv_value_t *res) @@ -1890,6 +1893,13 @@ int pv_init_api(void) tr_init_table(); if(pv_init_buffer()<0) return -1; + + pv_str_empty_buf[0] = '\0'; + pv_str_empty_buf[1] = '\0'; + pv_str_empty.s = pv_str_empty_buf; + strcpy(pv_str_null_buf, "<null>"); + pv_str_null.s = pv_str_null_buf; + if(register_pvars_mod("core", _core_pvs)<0) return -1; return 0;