[sr-dev] git:master:d83fee0a: lib/srdb1: dummy string for null values pointed to static buffer

Module: kamailio Branch: master Commit: d83fee0a31f292af731269cbd361db39be0a4b9b URL: https://github.com/kamailio/kamailio/commit/d83fee0a31f292af731269cbd361db3… Author: Daniel-Constantin Mierla <miconda(a)gmail.com> Committer: Daniel-Constantin Mierla <miconda(a)gmail.com> Date: 2015-07-21T11:13:18+02:00 lib/srdb1: dummy string for null values pointed to static buffer - allow editing in upper layers, avoiding innaproriate access to a constant --- Modified: lib/srdb1/db_val.c --- Diff: https://github.com/kamailio/kamailio/commit/d83fee0a31f292af731269cbd361db3… Patch: https://github.com/kamailio/kamailio/commit/d83fee0a31f292af731269cbd361db3… --- diff --git a/lib/srdb1/db_val.c b/lib/srdb1/db_val.c index 4a1b0a7..67f52a7 100644 --- a/lib/srdb1/db_val.c +++ b/lib/srdb1/db_val.c @@ -44,6 +44,7 @@ int db_str2val(const db_type_t _t, db_val_t* _v, const char* _s, const int _l, const unsigned int _cpy) { static str dummy_string = {"", 0}; + static char dummy_string_buf[2]; if (!_v) { LM_ERR("invalid parameter value\n"); @@ -57,6 +58,8 @@ int db_str2val(const db_type_t _t, db_val_t* _v, const char* _s, const int _l, * string so that we do not crash when the NULL flag * is set but the module does not check it properly */ + dummy_string_buf[0] = '\0'; + dummy_string.s = dummy_string_buf; VAL_STRING(_v) = dummy_string.s; VAL_STR(_v) = dummy_string; VAL_BLOB(_v) = dummy_string;