Don't try to translate NULL in GetConfigOptionByNum().

Noticed via -fsanitize=undefined. Introduced when a few columns in
GetConfigOptionByNum() / pg_settings started to be translated in 72be8c29a /
PG 12.

Backpatch to all affected branches, for the same reasons as 46ab07ffda.

Discussion: https://postgr.es/m/20220323173537.ll7klrglnp4gn2um@alap3.anarazel.de
Backpatch: 12-
This commit is contained in:
Andres Freund 2022-03-23 13:05:59 -07:00
parent 1c6bb380e5
commit 3ac7d02412
1 changed files with 1 additions and 1 deletions

View File

@ -9797,7 +9797,7 @@ GetConfigOptionByNum(int varnum, const char **values, bool *noshow)
values[4] = _(conf->short_desc);
/* extra_desc */
values[5] = _(conf->long_desc);
values[5] = conf->long_desc != NULL ? _(conf->long_desc) : NULL;
/* context */
values[6] = GucContext_Names[conf->context];