From: Tom Lane <tgl@sss.pgh.pa.us>
Date: Sat, 23 Feb 2008 19:23:57 +0000 (+0000)
Subject: Avoid trying to print a NULL char pointer in --describe-config.  On some
X-Git-Tag: REL8_0_16~33
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=fd511b53471111dcb4046c2d021307f9eab99737;p=thirdparty%2Fpostgresql.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 bea95be8786..f4edd26b842 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 1.14 2004/12/31 22:02:45 pgsql Exp $
+ *	  $PostgreSQL: pgsql/src/backend/utils/misc/help_config.c,v 1.14.4.1 2008/02/23 19:23:57 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: