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-Tag: REL8_1_12~34
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=0f6acc4509e3c9dc4a13e13469e034ffb2a41c40;p=postgresql

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 5d66c3382d..b97f374257 100644
--- a/src/backend/utils/misc/help_config.c
+++ b/src/backend/utils/misc/help_config.c
@@ -10,7 +10,7 @@
  * Portions Copyright (c) 1996-2005, PostgreSQL Global Development Group
  *
  * IDENTIFICATION
- *	  $PostgreSQL: pgsql/src/backend/utils/misc/help_config.c,v 1.15 2005/02/22 04:38:05 momjian Exp $
+ *	  $PostgreSQL: pgsql/src/backend/utils/misc/help_config.c,v 1.15.2.1 2008/02/23 19:23:51 tgl Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -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: