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-rw-r--r--src/os_win.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/src/os_win.c b/src/os_win.c
index 251107528..9ae40e22a 100644
--- a/src/os_win.c
+++ b/src/os_win.c
@@ -2602,7 +2602,7 @@ static int winWrite(
"offset=%lld, lock=%d\n", osGetCurrentProcessId(), pFile,
pFile->h, pBuf, amt, offset, pFile->locktype));
-#if SQLITE_MAX_MMAP_SIZE>0
+#if defined(SQLITE_MMAP_READWRITE) && SQLITE_MAX_MMAP_SIZE>0
/* Deal with as much of this write request as possible by transfering
** data from the memory mapping using memcpy(). */
if( offset<pFile->mmapSize ){
@@ -4096,10 +4096,12 @@ static int winMapfile(winFile *pFd, sqlite3_int64 nByte){
DWORD flags = FILE_MAP_READ;
winUnmapfile(pFd);
+#ifdef SQLITE_MMAP_READWRITE
if( (pFd->ctrlFlags & WINFILE_RDONLY)==0 ){
protect = PAGE_READWRITE;
flags |= FILE_MAP_WRITE;
}
+#endif
#if SQLITE_OS_WINRT
pFd->hMap = osCreateFileMappingFromApp(pFd->h, NULL, protect, nMap, NULL);
#elif defined(SQLITE_WIN32_HAS_WIDE)