For Windows VFS, modified xGetLastError() to call FormatMessage()

with the FORMAT_MESSAGE_IGNORE_INSERTS option.  Additionally updated
to ensure strings are returned as UTF8.  Ticket 39c85e8a4e.

FossilOrigin-Name: 761396f8cb79be34853ba698a65af54874c3c10e

manifest

@@ -1,8 +1,5 @@
------BEGIN PGP SIGNED MESSAGE-----
+C For\sWindows\sVFS,\smodified\sxGetLastError()\sto\scall\sFormatMessage()\s\nwith\sthe\sFORMAT_MESSAGE_IGNORE_INSERTS\soption.\s\sAdditionally\supdated\nto\sensure\sstrings\sare\sreturned\sas\sUTF8.\s\sTicket\s39c85e8a4e.
-Hash: SHA1
+D 2009-10-21T02:00:48
-
-C Clarify\sthe\suse\sof\ssqlite3_shutdown().\s\s\nTicket\s[f9af981dd2a2].\nComment\schanges\sonly\s-\sno\schanges\sto\scode.
-D 2009-10-20T15:27:55
 F Makefile.arm-wince-mingw32ce-gcc fcd5e9cd67fe88836360bb4f9ef4cb7f8e2fb5a0
 F Makefile.in 4ca3f1dd6efa2075bcb27f4dc43eef749877740d
 F Makefile.linux-gcc d53183f4aa6a9192d249731c90dbdffbd2c68654
@@ -22,7 +19,7 @@ F art/src_logo.gif 9341ef09f0e53cd44c0c9b6fc3c16f7f3d6c2ad9
 F config.guess 226d9a188c6196f3033ffc651cbc9dcee1a42977
 F config.h.in 868fdb48c028421a203470e15c69ada15b9ba673
 F config.sub 9ebe4c3b3dab6431ece34f16828b594fb420da55
-F configure 30e33c9dee7000cfa82fae0a2fe51b90a1c24bac x
+F configure 30e33c9dee7000cfa82fae0a2fe51b90a1c24bac
 F configure.ac 14740970ddb674d92a9f5da89083dff1179014ff
 F contrib/sqlitecon.tcl 210a913ad63f9f991070821e599d600bd913e0ad
 F doc/lemon.html f0f682f50210928c07e562621c3b7e8ab912a538
@@ -87,7 +84,7 @@ F ext/rtree/rtree_perf.tcl 0fabb6d5c48cb8024e042ce5d4bb88998b6ec1cb
 F ext/rtree/rtree_util.tcl ee0a0311eb12175319d78bfb37302320496cee6e
 F ext/rtree/tkt3363.test 6662237ea75bb431cd5d262dfc9535e1023315fc
 F ext/rtree/viewrtree.tcl 09526398dae87a5a87c5aac2b3854dbaf8376869
-F install-sh 9d4de14ab9fb0facae2f48780b874848cbf2f895 x
+F install-sh 9d4de14ab9fb0facae2f48780b874848cbf2f895
 F ltmain.sh 3ff0879076df340d2e23ae905484d8c15d5fdea8
 F main.mk c3c5c6d038512603c4c8a2599955a86fbd9e6973
 F mkdll.sh 7d09b23c05d56532e9d44a50868eb4b12ff4f74a
@@ -150,7 +147,7 @@ F src/os.h 00a1334a4eecee7f7bef79ac606b88d325119f21
 F src/os_common.h 8c61457df58f1a4bd5f5adc3e90e01b37bf7afbc
 F src/os_os2.c bed77dc26e3a95ce4a204936b9a1ca6fe612fcc5
 F src/os_unix.c 5686c0e4f0aa2c93b43b66c563ea1d5b80cd4b9b
-F src/os_win.c 49a360be4f42d5a63d00be9aa44449ed4d6717e0
+F src/os_win.c d02908847f3ad350fb9fd0804b7722627d30860d
 F src/pager.c ebd0a8f2421e8f0ad5b78201440004bf3e1c96d8
 F src/pager.h 11852d044c86cf5a9d6e34171fb0c4fcf1f6265f
 F src/parse.y 2b75a329a5b3cdcb188609d9a30bb339aecfeddd
@@ -740,38 +737,31 @@ F test/whereB.test 0def95db3bdec220a731c7e4bec5930327c1d8c5
 F test/wherelimit.test 5e9fd41e79bb2b2d588ed999d641d9c965619b31
 F test/zeroblob.test caaecfb4f908f7bc086ed238668049f96774d688
 F tool/diffdb.c 7524b1b5df217c20cd0431f6789851a4e0cb191b
-F tool/fragck.tcl 5265a95126abcf6ab357f7efa544787e5963f439 x
+F tool/fragck.tcl 5265a95126abcf6ab357f7efa544787e5963f439
 F tool/genfkey.README cf68fddd4643bbe3ff8e31b8b6d8b0a1b85e20f4
 F tool/genfkey.test 4196a8928b78f51d54ef58e99e99401ab2f0a7e5
 F tool/lemon.c 0eb9829c494dfcea449de36ad677efe7f0742801
 F tool/lempar.c 2ed70b3fc896a47e07fedfe543324f008f53d223
 F tool/mkkeywordhash.c 8c9f8e3253555101aaa4bf7a0459cbfc8ddc41cc
-F tool/mkopts.tcl 66ac10d240cc6e86abd37dc908d50382f84ff46e x
+F tool/mkopts.tcl 66ac10d240cc6e86abd37dc908d50382f84ff46e
-F tool/mkspeedsql.tcl a1a334d288f7adfe6e996f2e712becf076745c97 x
+F tool/mkspeedsql.tcl a1a334d288f7adfe6e996f2e712becf076745c97
-F tool/mksqlite3c.tcl 69dc8842a88d1f84c141e1a0bd2e42d8e859397f x
+F tool/mksqlite3c.tcl 69dc8842a88d1f84c141e1a0bd2e42d8e859397f
-F tool/mksqlite3h.tcl eb100dce83f24b501b325b340f8b5eb8e5106b3b x
+F tool/mksqlite3h.tcl eb100dce83f24b501b325b340f8b5eb8e5106b3b
-F tool/mksqlite3internalh.tcl 7b43894e21bcb1bb39e11547ce7e38a063357e87 x
+F tool/mksqlite3internalh.tcl 7b43894e21bcb1bb39e11547ce7e38a063357e87
-F tool/omittest.tcl 27d6f6e3b1e95aeb26a1c140e6eb57771c6d794a x
+F tool/omittest.tcl 27d6f6e3b1e95aeb26a1c140e6eb57771c6d794a
 F tool/opcodeDoc.awk b3a2a3d5d3075b8bd90b7afe24283efdd586659c
 F tool/showdb.c 8ab8b3b53884312aafb7ef60982e255a6c31d238
 F tool/showjournal.c ec3b171be148656827c4949fbfb8ab4370822f87
-F tool/soak1.tcl 8d407956e1a45b485a8e072470a3e629a27037fe x
+F tool/soak1.tcl 8d407956e1a45b485a8e072470a3e629a27037fe
-F tool/space_used.tcl f714c41a59e326b8b9042f415b628b561bafa06b x
+F tool/space_used.tcl f714c41a59e326b8b9042f415b628b561bafa06b
-F tool/spaceanal.tcl b87db46ae29e3116411b1686e136b9b994d7de39 x
+F tool/spaceanal.tcl b87db46ae29e3116411b1686e136b9b994d7de39
-F tool/speedtest.tcl 06c76698485ccf597b9e7dbb1ac70706eb873355 x
+F tool/speedtest.tcl 06c76698485ccf597b9e7dbb1ac70706eb873355
 F tool/speedtest16.c c8a9c793df96db7e4933f0852abb7a03d48f2e81
-F tool/speedtest2.tcl ee2149167303ba8e95af97873c575c3e0fab58ff x
+F tool/speedtest2.tcl ee2149167303ba8e95af97873c575c3e0fab58ff
 F tool/speedtest8.c 2902c46588c40b55661e471d7a86e4dd71a18224
 F tool/speedtest8inst1.c 293327bc76823f473684d589a8160bde1f52c14e
-F tool/vdbe-compress.tcl d70ea6d8a19e3571d7ab8c9b75cba86d1173ff0f x
+F tool/vdbe-compress.tcl d70ea6d8a19e3571d7ab8c9b75cba86d1173ff0f
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+P b2aa48b52f140ad722001de686c5b2f802e9babd
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+R 88fe3851909db662467ab0ab67772332
-U drh
+U shane
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manifest.uuid

@@ -1 +1 @@
-b2aa48b52f140ad722001de686c5b2f802e9babd
+761396f8cb79be34853ba698a65af54874c3c10e

src/os_win.c

@@ -73,7 +73,7 @@
 */
 #if SQLITE_OS_WINCE
 # define AreFileApisANSI() 1
-# define GetDiskFreeSpaceW() 0
+# define FormatMessageW(a,b,c,d,e,f,g) 0
 #endif
 
 /*
@@ -1248,27 +1248,59 @@ static int getTempname(int nBuf, char *zBuf){
 ** otherwise (if the message was truncated).
 */
 static int getLastErrorMsg(int nBuf, char *zBuf){
-  DWORD error = GetLastError();
-
-#if SQLITE_OS_WINCE
-  sqlite3_snprintf(nBuf, zBuf, "OsError 0x%x (%u)", error, error);
-#else
   /* FormatMessage returns 0 on failure.  Otherwise it
   ** returns the number of TCHARs written to the output
   ** buffer, excluding the terminating null char.
   */
-  if (!FormatMessageA(FORMAT_MESSAGE_FROM_SYSTEM,
+  DWORD error = GetLastError();
-                      NULL,
+  DWORD dwLen = 0;
-                      error,
+  char *zOut;
-                      0,
-                      zBuf,
-                      nBuf-1,
-                      0))
-  {
-    sqlite3_snprintf(nBuf, zBuf, "OsError 0x%x (%u)", error, error);
-  }
-#endif
 
+  if( isNT() ){
+    WCHAR *zTempWide = NULL;
+    dwLen = FormatMessageW(FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS,
+                           NULL,
+                           error,
+                           0,
+                           (LPWSTR) &zTempWide,
+                           0,
+                           0);
+    if( dwLen > 0 ){
+      /* allocate a buffer and convert to UTF8 */
+      zOut = unicodeToUtf8(zTempWide);
+      /* free the system buffer allocated by FormatMessage */
+      LocalFree(zTempWide);
+    }
+/* isNT() is 1 if SQLITE_OS_WINCE==1, so this else is never executed. 
+** Since the ASCII version of these Windows API do not exist for WINCE,
+** it's important to not reference them for WINCE builds.
+*/
+#if SQLITE_OS_WINCE==0
+  }else{
+    char *zTemp = NULL;
+    dwLen = FormatMessageA(FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS,
+                           NULL,
+                           error,
+                           0,
+                           (LPSTR) &zTemp,
+                           0,
+                           0);
+    if( dwLen > 0 ){
+      /* allocate a buffer and convert to UTF8 */
+      zOut = sqlite3_win32_mbcs_to_utf8(zTemp);
+      /* free the system buffer allocated by FormatMessage */
+      LocalFree(zTemp);
+    }
+#endif
+  }
+  if( 0 == dwLen ){
+    sqlite3_snprintf(nBuf, zBuf, "OsError 0x%x (%u)", error, error);
+  }else{
+    /* copy a maximum of nBuf chars to output buffer */
+    sqlite3_snprintf(nBuf, zBuf, "%s", zOut);
+    /* free the UTF8 buffer */
+    free(zOut);
+  }
   return 0;
 }
 
@@ -1636,14 +1668,14 @@ static int getSectorSize(
                                   &dwDummy);
       }else{
         /* trim path to just drive reference */
-        CHAR *p = (CHAR *)zConverted;
+        char *p = (char *)zConverted;
         for(;*p;p++){
           if( *p == '\\' ){
             *p = '\0';
             break;
           }
         }
-        dwRet = GetDiskFreeSpaceA((CHAR*)zConverted,
+        dwRet = GetDiskFreeSpaceA((char*)zConverted,
                                   &dwDummy,
                                   &bytesPerSector,
                                   &dwDummy,