jrnlBufferSize   41957 sqlite3/libsqlite/sqlite3.c             pVfs, pPager->zJournal, pPager->jfd, flags, jrnlBufferSize(pPager)
jrnlBufferSize   42594 sqlite3/libsqlite/sqlite3.c        && pPager->journalOff==jrnlBufferSize(pPager)