Enhancements to the Win32 API definition macros.

FossilOrigin-Name: b1811baab6e35ecb1ba920a7ed3302997758d309

manifest

@@ -1,5 +1,5 @@
-C Avoid\scommenting\sout\s#include\sstatements\swhen\sbuilding\sthe\samalgamation\ssource\scode\sfile.
-D 2013-08-31T05:46:42.494
+C Enhancements\sto\sthe\sWin32\sAPI\sdefinition\smacros.
+D 2013-08-31T17:01:56.739
 F Makefile.arm-wince-mingw32ce-gcc d6df77f1f48d690bd73162294bbba7f59507c72f
 F Makefile.in 5e41da95d92656a5004b03d3576e8b226858a28e
 F Makefile.linux-gcc 91d710bdc4998cb015f39edf3cb314ec4f4d7e23
@@ -203,7 +203,7 @@ F src/os.c b4ad71336fd96f97776f75587cd9e8218288f5be
 F src/os.h 4a46270a64e9193af4a0aaa3bc2c66dc07c29b3f
 F src/os_common.h 92815ed65f805560b66166e3583470ff94478f04
 F src/os_unix.c 243fb37f47dc072fc59839ea241ff0a17c8d76e6
-F src/os_win.c 27ab5a2236e0649bcaa246b5ce80b7289ab31688
+F src/os_win.c 896581ee5a2ad261c3410fc84cfb0639ef2a1d56
 F src/pager.c 2aa4444ffe86e9282d03bc349a4a5e49bd77c0e8
 F src/pager.h f094af9f6ececfaa8a1e93876905a4f34233fb0c
 F src/parse.y 27c6b4138497d6f8360ba7847da6ed48033f957f
@@ -1109,7 +1109,7 @@ F tool/warnings-clang.sh f6aa929dc20ef1f856af04a730772f59283631d4
 F tool/warnings.sh fbc018d67fd7395f440c28f33ef0f94420226381
 F tool/wherecosttest.c f407dc4c79786982a475261866a161cd007947ae
 F tool/win/sqlite.vsix 97894c2790eda7b5bce3cc79cb2a8ec2fde9b3ac
-P b48cfd2dfca70091a52deeeee16619237e1c270b
-R b57559fe8be860201c533ce843be8c05
+P 2fca6d784b000fd3a4d6890e38a0b087767f3a7f
+R 81d5e6e46adbe46f943b02ea53b00aff
 U mistachkin
-Z 5c7a5afeef353865f26e419014385170
+Z 8550f042a6eaddfa936a0e87c6856786

manifest.uuid

@@ -1 +1 @@
-2fca6d784b000fd3a4d6890e38a0b087767f3a7f
+b1811baab6e35ecb1ba920a7ed3302997758d309

src/os_win.c

@@ -38,7 +38,7 @@
 ** Are most of the Win32 ANSI APIs available (i.e. with certain exceptions
 ** based on the sub-platform)?
 */
-#if !SQLITE_OS_WINCE && !SQLITE_OS_WINRT
+#if !SQLITE_OS_WINCE && !SQLITE_OS_WINRT && !defined(SQLITE_WIN32_NO_ANSI)
 #  define SQLITE_WIN32_HAS_ANSI
 #endif
 
@@ -46,10 +46,19 @@
 ** Are most of the Win32 Unicode APIs available (i.e. with certain exceptions
 ** based on the sub-platform)?
 */
-#if SQLITE_OS_WINCE || SQLITE_OS_WINNT || SQLITE_OS_WINRT
+#if (SQLITE_OS_WINCE || SQLITE_OS_WINNT || SQLITE_OS_WINRT) && \
+    !defined(SQLITE_WIN32_NO_WIDE)
 #  define SQLITE_WIN32_HAS_WIDE
 #endif
 
+/*
+** Make sure at least one set of Win32 APIs is available.
+*/
+#if !defined(SQLITE_WIN32_HAS_ANSI) && !defined(SQLITE_WIN32_HAS_WIDE)
+#  error "At least one of SQLITE_WIN32_HAS_ANSI and SQLITE_WIN32_HAS_WIDE\
+ must be defined."
+#endif
+
 /*
 ** Maximum pathname length (in chars) for Win32.  This should normally be
 ** MAX_PATH.
@@ -1116,7 +1125,7 @@ void sqlite3_win32_sleep(DWORD milliseconds){
 ** WinNT/2K/XP so that we will know whether or not we can safely call
 ** the LockFileEx() API.
 */
-#if SQLITE_OS_WINCE || SQLITE_OS_WINRT
+#if SQLITE_OS_WINCE || SQLITE_OS_WINRT || !defined(SQLITE_WIN32_HAS_ANSI)
 # define osIsNT()  (1)
 #elif !defined(SQLITE_WIN32_HAS_WIDE)
 # define osIsNT()  (0)