Check matchlist's result

autoload/ctrlp.vim

@@ -889,7 +889,9 @@ endf
 fu! s:OpenMulti()
 	if !exists('s:marked') || s:opmul == '0' || !s:ispath | retu | en
 	" Get the options
-	let [nr, md, ucr] = matchlist(s:opmul, '\v^(\d+)=(\w)=(\w)=$')[1:3]
+	let opts = matchlist(s:opmul, '\v^(\d+)=(\w)=(\w)=$')
+	if opts == [] | retu | en
+	let [nr, md, ucr] = opts[1:3]
 	if s:argmap
 		let md = s:argmaps(md)
 		if md == 'cancel' | retu | en

autoload/ctrlp/bookmarkdir.vim

@@ -61,7 +61,8 @@ fu! s:setentries()
 endf
 
 fu! s:parts(str)
-	retu matchlist(a:str, '\v([^\t]+)\t(.*)$')[1:2]
+	let mlist = matchlist(a:str, '\v([^\t]+)\t(.*)$')
+	retu mlist != [] ? mlist[1:2] : ['', '']
 endf
 
 fu! s:process(entries, type)

autoload/ctrlp/buffertag.vim

@@ -222,6 +222,7 @@ endf
 
 fu! ctrlp#buffertag#accept(mode, str)
 	let vals = matchlist(a:str, '\v^[^\t]+\t+[^\t|]+\|(\d+)\:[^\t|]+\|(\d+)\|')
+	if vals == [] | retu | en
 	let [bufnm, linenr] = [fnamemodify(bufname(str2nr(vals[1])), ':p'), vals[2]]
 	cal ctrlp#acceptfile(a:mode, bufnm, linenr)
 endf

autoload/ctrlp/changes.vim

@@ -71,6 +71,7 @@ endf
 
 fu! ctrlp#changes#accept(mode, str)
 	let info = matchlist(a:str, '\t|\(\d\+\):[^|]\+|\(\d\+\):\(\d\+\)|$')
+	if info == [] | retu | en
 	let bufnr = str2nr(get(info, 1))
 	if bufnr
 		cal ctrlp#acceptfile(a:mode, fnamemodify(bufname(bufnr), ':p'))

autoload/ctrlp/line.vim

@@ -48,6 +48,7 @@ endf
 
 fu! ctrlp#line#accept(mode, str)
 	let info = matchlist(a:str, '\t|[^|]\+|\(\d\+\):\(\d\+\)|$')
+	if info == [] | retu | en
 	let [bufnr, linenr] = [str2nr(get(info, 1)), get(info, 2)]
 	if bufnr > 0
 		cal ctrlp#acceptfile(a:mode, fnamemodify(bufname(bufnr), ':p'), linenr)

autoload/ctrlp/quickfix.vim

@@ -41,6 +41,7 @@ endf
 
 fu! ctrlp#quickfix#accept(mode, str)
 	let items = matchlist(a:str, '^\([^|]\+\ze\)|\(\d\+\):\(\d\+\)|')
+	if items == [] | retu | en
 	let [md, filpath] = [a:mode, fnamemodify(items[1], ':p')]
 	if empty(filpath) | retu | en
 	cal ctrlp#exit()

autoload/ctrlp/undo.vim

@@ -112,7 +112,8 @@ endf
 fu! s:formatul(...)
 	let parts = matchlist(a:1,
 		\ '\v^\s+(\d+)\s+\d+\s+([^ ]+\s?[^ ]+|\d+\s\w+\s\w+)(\s*\d*)$')
-	retu parts[2].' ['.parts[1].']'.( parts[3] != '' ? ' saved' : '' )
+	retu parts == [] ? '----'
+		\ : parts[2].' ['.parts[1].']'.( parts[3] != '' ? ' saved' : '' )
 endf
 " Public {{{1
 fu! ctrlp#undo#init()