diff --strip-trailing-cr -urN sqlite3.orig/sqlite3.c sqlite3/sqlite3.c
--- sqlite3.orig/sqlite3.c	2013-12-06 15:05:16.000000000 +0000
+++ sqlite3/sqlite3.c	2019-04-22 18:53:05.000000000 +0000
@@ -27008,7 +27008,11 @@
       ** is the same technique used by glibc to implement posix_fallocate()
       ** on systems that do not have a real fallocate() system call.
       */
+#if __minix
+      int nBlk = 4096;            /* MFS default; good enough for now */
+#else
       int nBlk = buf.st_blksize;  /* File-system block size */
+#endif
       i64 iWrite;                 /* Next offset to write to */
 
       if( robust_ftruncate(pFile->h, nSize) ){
@@ -32848,6 +32852,11 @@
 ** create a substitute.
 */
 /* #include <time.h> */
+#if defined( _MSC_VER )
+#define _LL( num )   num
+#else
+#define _LL( num )   num##LL
+#endif
 struct tm *__cdecl localtime(const time_t *t)
 {
   static struct tm y;
@@ -32855,7 +32864,7 @@
   SYSTEMTIME pTm;
   sqlite3_int64 t64;
   t64 = *t;
-  t64 = (t64 + 11644473600)*10000000;
+  t64 = (t64 + _LL(11644473600))*10000000;
   uTm.dwLowDateTime = (DWORD)(t64 & 0xFFFFFFFF);
   uTm.dwHighDateTime= (DWORD)(t64 >> 32);
   osFileTimeToLocalFileTime(&uTm,&lTm);
@@ -73680,7 +73689,8 @@
 
     /* Copy as much data as is available in the buffer into the start of
     ** p->aAlloc[].  */
-    memcpy(p->aAlloc, &p->aBuffer[iBuf], nAvail);
+    if( nAvail > 0 )
+      memcpy(p->aAlloc, &p->aBuffer[iBuf], nAvail);
     p->iReadOff += nAvail;
     nRem = nByte - nAvail;