From b888ab82dab90409fd262655b05407403544bbfb Mon Sep 17 00:00:00 2001
From: Tom Lane <tgl@sss.pgh.pa.us>
Date: Fri, 7 Oct 2005 16:34:48 +0000
Subject: [PATCH] Recognize ERROR_SHARING_VIOLATION (translate to EACCES),
 increase log level for unrecognized win32 error codes to LOG, and make
 messages conform to style guide.  Per old suggestion from Qingqing Zhou,
 which seems to have gotten lost in the shuffle.

---
 src/backend/port/win32/error.c | 19 +++++++++++--------
 1 file changed, 11 insertions(+), 8 deletions(-)

diff --git a/src/backend/port/win32/error.c b/src/backend/port/win32/error.c
index 426eecbf69..c7f0a24f10 100644
--- a/src/backend/port/win32/error.c
+++ b/src/backend/port/win32/error.c
@@ -6,14 +6,14 @@
  * Portions Copyright (c) 1996-2005, PostgreSQL Global Development Group
  *
  * IDENTIFICATION
- *	  $PostgreSQL: pgsql/src/backend/port/win32/error.c,v 1.4 2004/12/31 22:00:37 pgsql Exp $
+ *	  $PostgreSQL: pgsql/src/backend/port/win32/error.c,v 1.5 2005/10/07 16:34:48 tgl Exp $
  *
  *-------------------------------------------------------------------------
  */
 
 #include "postgres.h"
 
-static struct
+static const struct
 {
 	DWORD		winerr;
 	int			doserr;
@@ -74,6 +74,9 @@ static struct
 	{
 		ERROR_LOCK_VIOLATION, EACCES
 	},
+	{
+		ERROR_SHARING_VIOLATION, EACCES
+	},
 	{
 		ERROR_BAD_NETPATH, ENOENT
 	},
@@ -168,21 +171,21 @@ _dosmaperr(unsigned long e)
 		return;
 	}
 
-	for (i = 0; i < sizeof(doserrors) / sizeof(doserrors[0]); i++)
+	for (i = 0; i < lengthof(doserrors); i++)
 	{
 		if (doserrors[i].winerr == e)
 		{
 			errno = doserrors[i].doserr;
 			ereport(DEBUG5,
-					(errmsg_internal("Mapped win32 error code %i to %i",
-									 (int) e, errno)));
+					(errmsg_internal("mapped win32 error code %lu to %d",
+									  e, errno)));
 			return;
 		}
 	}
 
-	ereport(DEBUG4,
-			(errmsg_internal("Unknown win32 error code: %i",
-							 (int) e)));
+	ereport(LOG,
+			(errmsg_internal("unrecognized win32 error code: %lu",
+							 e)));
 	errno = EINVAL;
 	return;
 }