From: Tom Lane <tgl@sss.pgh.pa.us>
Date: Sat, 23 Feb 2008 19:23:51 +0000 (+0000)
Subject: Avoid trying to print a NULL char pointer in --describe-config.  On some
X-Git-Url: http://git.postgresql.org/gitweb/static/gitweb.js?a=commitdiff_plain;h=6112fe58fff1f6f55842600696c79e33e383446a;p=users%2Fbernd%2Fpostgres.git

Avoid trying to print a NULL char pointer in --describe-config.  On some
platforms this works, but on some it crashes.  Zdenek Kotala
---

diff --git a/src/backend/utils/misc/help_config.c b/src/backend/utils/misc/help_config.c
index fcbea33873..7222e2f3c0 100644
--- a/src/backend/utils/misc/help_config.c
+++ b/src/backend/utils/misc/help_config.c
@@ -118,7 +118,7 @@ printMixedStruct(mixedStruct *structToPrint)
 
 		case PGC_STRING:
 			printf("STRING\t%s\t\t\t",
-				   structToPrint->string.boot_val);
+				   structToPrint->string.boot_val ? structToPrint->string.boot_val : "");
 			break;
 
 		default: