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In Vim I can :set wrapscan so that when I do an incremental search, the cursor jumps to the first match whether the first match is above or below the cursor.
In Emacs, if I start a search via C-s, the search fails saying Failing I-search if the first match is above the cursor. If I hit C-s again it then wraps the search, saying Wrapped I-search. How do I wrap and jump the cursor by default as in Vim, without having to C-s a second time?
The easiest way to do this is to use the following defadvice:
When Isearch fails, it immediately tries again with wrapping. Note that it is important to temporarily disable this defadvice to prevent an infinite loop when there are no matches.