From: Tom Lane <tgl@sss.pgh.pa.us>
Date: Sat, 23 Feb 2008 19:23:37 +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=5945381551d2888267e3701e31f1c3fadc98a07c;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 681cd57c6d..79c0d854be 100644
--- a/src/backend/utils/misc/help_config.c
+++ b/src/backend/utils/misc/help_config.c
@@ -117,7 +117,7 @@ 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: