From 62d1924fc53aacdc30fc2e62f66bf3ffb82baa2c Mon Sep 17 00:00:00 2001
From: mistachkin <mistachkin@noemail.net>
Date: Fri, 2 Mar 2012 23:53:54 +0000
Subject: [PATCH] When compiled for WinRT, avoid using the
 FORMAT_MESSAGE_ALLOCATE_BUFFER flag to FormatMessage (i.e. because LocalFree
 is unavailable).

FossilOrigin-Name: 9eb331be7e905d11d9075ce1596478b55a7f488b
---
 manifest      | 12 ++++++------
 manifest.uuid |  2 +-
 src/os_win.c  | 14 ++++++++++++++
 3 files changed, 21 insertions(+), 7 deletions(-)

diff --git a/manifest b/manifest
index 3a094cf7f5..d7e73c5cf1 100644
--- a/manifest
+++ b/manifest
@@ -1,5 +1,5 @@
-C When\srunning\son\sWindows\swith\san\sNT-based\skernel,\salways\suse\sthe\sLockFileEx/UnlockFileEx\sfunctions\s(with\sthe\scorrect\sflags).
-D 2012-03-02T22:38:49.501
+C When\scompiled\sfor\sWinRT,\savoid\susing\sthe\sFORMAT_MESSAGE_ALLOCATE_BUFFER\sflag\sto\sFormatMessage\s(i.e.\sbecause\sLocalFree\sis\sunavailable).
+D 2012-03-02T23:53:54.759
 F Makefile.arm-wince-mingw32ce-gcc d6df77f1f48d690bd73162294bbba7f59507c72f
 F Makefile.in 3f79a373e57c3b92dabf76f40b065e719d31ac34
 F Makefile.linux-gcc 91d710bdc4998cb015f39edf3cb314ec4f4d7e23
@@ -167,7 +167,7 @@ F src/os.h c3a9db9e8e16f564e1a40cea1687dad69634262c
 F src/os_common.h 92815ed65f805560b66166e3583470ff94478f04
 F src/os_os2.c 4a75888ba3dfc820ad5e8177025972d74d7f2440
 F src/os_unix.c 0e3d2942d228d0366fb80a3640f35caf413b66d1
-F src/os_win.c f6b9fa7a93d16779b0504d8c5d438fdd0ef022bb
+F src/os_win.c bde6f1867d1fca808dabf43f8caaa7130b3e666a
 F src/pager.c 3955b62cdb5bb64559607cb474dd12a6c8e1d4a5
 F src/pager.h ef1eaf8593e78f73885c1dfac27ad83bee23bdc5
 F src/parse.y 1ddd71ae55f4b7cbb2672526ea4de023de0f519e
@@ -991,7 +991,7 @@ F tool/tostr.awk e75472c2f98dd76e06b8c9c1367f4ab07e122d06
 F tool/vdbe-compress.tcl d70ea6d8a19e3571d7ab8c9b75cba86d1173ff0f
 F tool/warnings-clang.sh 9f406d66e750e8ac031c63a9ef3248aaa347ef2a
 F tool/warnings.sh fbc018d67fd7395f440c28f33ef0f94420226381
-P a782d2dc3cd4ef49ed46b361cdd331be846c3d50
-R 5657a63a45c0ba0c63e40023bb562ed0
+P 3e7ba3ddb956056b8132ed383feed4f329c634e0
+R fa5ae504586a17ee7bea7c3ad368dd9c
 U mistachkin
-Z a7d3129db9e33b537945aea438ba067d
+Z c2c4f50ec9e4a87a7802b817ca07287e
diff --git a/manifest.uuid b/manifest.uuid
index 7b9f86ea2e..e7a6bb185c 100644
--- a/manifest.uuid
+++ b/manifest.uuid
@@ -1 +1 @@
-3e7ba3ddb956056b8132ed383feed4f329c634e0
\ No newline at end of file
+9eb331be7e905d11d9075ce1596478b55a7f488b
\ No newline at end of file
diff --git a/src/os_win.c b/src/os_win.c
index 4c56392a6d..4dddece33c 100644
--- a/src/os_win.c
+++ b/src/os_win.c
@@ -1132,6 +1132,17 @@ static int getLastErrorMsg(DWORD lastErrno, int nBuf, char *zBuf){
   char *zOut = 0;
 
   if( isNT() ){
+#if SQLITE_OS_WINRT
+    WCHAR zTempWide[MAX_PATH+1]; /* NOTE: Somewhat arbitrary. */
+    dwLen = osFormatMessageW(FORMAT_MESSAGE_FROM_SYSTEM |
+                             FORMAT_MESSAGE_IGNORE_INSERTS,
+                             NULL,
+                             lastErrno,
+                             0,
+                             zTempWide,
+                             MAX_PATH,
+                             0);
+#else
     LPWSTR zTempWide = NULL;
     dwLen = osFormatMessageW(FORMAT_MESSAGE_ALLOCATE_BUFFER |
                              FORMAT_MESSAGE_FROM_SYSTEM |
@@ -1142,13 +1153,16 @@ static int getLastErrorMsg(DWORD lastErrno, int nBuf, char *zBuf){
                              (LPWSTR) &zTempWide,
                              0,
                              0);
+#endif
     if( dwLen > 0 ){
       /* allocate a buffer and convert to UTF8 */
       sqlite3BeginBenignMalloc();
       zOut = unicodeToUtf8(zTempWide);
       sqlite3EndBenignMalloc();
+#if !SQLITE_OS_WINRT
       /* free the system buffer allocated by FormatMessage */
       osLocalFree(zTempWide);
+#endif
     }
   }
 #ifdef SQLITE_WIN32_HAS_ANSI
-- 
2.47.3