Refactor wal.c to use the VFS. This check-in compiles and links and works
ok as long as you leave WAL turned off, but WAL does not work.
FossilOrigin-Name: 62db5fa3b61be885b2d94e9b9ce3877b2c588350
diff --git a/src/pager.h b/src/pager.h
index 7b760c9..91b2cb3 100644
--- a/src/pager.h
+++ b/src/pager.h
@@ -135,9 +135,9 @@
int sqlite3PagerSharedLock(Pager *pPager);
int sqlite3PagerCheckpoint(Pager *pPager);
-int sqlite3PagerLogCallback(Pager *pPager);
-int sqlite3PagerOpenLog(Pager *pPager, int *pisOpen);
-int sqlite3PagerCloseLog(Pager *pPager);
+int sqlite3PagerWalCallback(Pager *pPager);
+int sqlite3PagerOpenWal(Pager *pPager, int *pisOpen);
+int sqlite3PagerCloseWal(Pager *pPager);
/* Functions used to query pager state and configuration. */
u8 sqlite3PagerIsreadonly(Pager*);