mirror/postgresql
2
0
Fork 0
mirror of https://git.postgresql.org/git/postgresql.git synced 2025-03-13 19:57:53 +08:00
Code Issues Packages Projects Releases Wiki Activity

Avoid crash in "postgres -C guc" for a GUC with a null string value.

Browse Source 
Emit "(null)" instead, which was the behavior all along on platforms
that don't crash, eg OS X.  Per report from Jehan-Guillaume de Rorthais.
Back-patch to 9.2 where -C option was introduced.

Michael Paquier

Report: <20160615204036.2d35d86a@firost>
This commit is contained in:
Tom Lane 2016-06-16 12:17:03 -04:00
parent 832c3f9328
commit 29987b2e1f
1 changed files with 7 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

10
src/backend/postmaster/postmaster.c
View File

@ -847,10 +847,14 @@ PostmasterMain(int argc, char *argv[])
if (output_config_variable != NULL)
{
/*
* permission is handled because the user is reading inside the data
* dir
* "-C guc" was specified, so print GUC's value and exit. No extra
* permission check is needed because the user is reading inside the
* data dir.
*/
puts(GetConfigOption(output_config_variable, false, false));
const char *config_val = GetConfigOption(output_config_variable,
false, false);
puts(config_val ? config_val : "(null)");
ExitPostmaster(0);
}