From: Tom Lane <tgl@sss.pgh.pa.us>
Date: Wed, 26 Nov 2008 16:23:11 +0000 (+0000)
Subject: Tweak new PQExpBufferBroken macro to suppress warnings from pickier
X-Git-Tag: recoveryinfrav9~286
X-Git-Url: http://waps.l3s.uni-hannover.de/gitweb/?a=commitdiff_plain;h=ebbaa7ab4d5bcbe9f1c6bec8f1fc2a6c9c918350;p=users%2Fsimon%2Fpostgres.git

Tweak new PQExpBufferBroken macro to suppress warnings from pickier
versions of gcc.
---

diff --git a/src/interfaces/libpq/pqexpbuffer.h b/src/interfaces/libpq/pqexpbuffer.h
index 6c3705b49e..66e0724649 100644
--- a/src/interfaces/libpq/pqexpbuffer.h
+++ b/src/interfaces/libpq/pqexpbuffer.h
@@ -57,7 +57,7 @@ typedef PQExpBufferData *PQExpBuffer;
  *------------------------
  */
 #define PQExpBufferBroken(str)  \
-	(!(str) || (str)->maxlen == 0)
+	((str) == NULL || (str)->maxlen == 0)
 
 /*------------------------
  * Initial size of the data buffer in a PQExpBuffer.