Index: ext/misc/fileio.c
==================================================================
--- ext/misc/fileio.c
+++ ext/misc/fileio.c
@@ -150,17 +150,17 @@
   if( nIn>mxBlob ){
     sqlite3_result_error_code(ctx, SQLITE_TOOBIG);
     fclose(in);
     return;
   }
-  pBuf = sqlite3_malloc64( nIn );
+  pBuf = sqlite3_malloc64( nIn ? nIn : 1 );
   if( pBuf==0 ){
     sqlite3_result_error_nomem(ctx);
     fclose(in);
     return;
   }
-  if( 1==fread(pBuf, nIn, 1, in) ){
+  if( nIn==fread(pBuf, 1, nIn, in) ){
     sqlite3_result_blob64(ctx, pBuf, nIn, sqlite3_free);
   }else{
     sqlite3_result_error_code(ctx, SQLITE_IOERR);
     sqlite3_free(pBuf);
   }