From ee2381cde4161e672ea84d693dcc8f34dd41a10e Mon Sep 17 00:00:00 2001
From: Tom Lane
Date: Fri, 18 Oct 2002 20:33:57 +0000
Subject: Make 'dummy' declarations in header files be 'extern int
 no_such_variable' instead of 'extern int errno'; the latter is unsafe
 according to the ANSI C standard, as well as in practice on some platforms.

---
 src/include/postgres.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

(limited to 'src/include/postgres.h')

diff --git a/src/include/postgres.h b/src/include/postgres.h
index b989c40917..8dc126af85 100644
--- a/src/include/postgres.h
+++ b/src/include/postgres.h
@@ -539,8 +539,8 @@ extern int ExceptionalCondition(char *conditionName, char *errorType,
 #define BKI_WITHOUT_OIDS
 
 /* these need to expand into some harmless, repeatable declaration */
-#define DATA(x)   extern int errno
-#define DESCR(x)  extern int errno
+#define DATA(x)   extern int no_such_variable
+#define DESCR(x)  extern int no_such_variable
 
 #define BKI_BEGIN
 #define BKI_END
-- 
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