Adding upstream version 1.21.8.upstream/1.21.8

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

7 files changed, 6542 insertions, 0 deletions

diff --git a/src/regexp/testdata/README b/src/regexp/testdata/README
new file mode 100644
index 0000000..58cec82
--- /dev/null
+++ b/src/regexp/testdata/README
@@ -0,0 +1,24 @@
+AT&T POSIX Test Files
+See textregex.c for copyright + license.
+
+testregex.c	http://www2.research.att.com/~gsf/testregex/testregex.c
+basic.dat	http://www2.research.att.com/~gsf/testregex/basic.dat
+nullsubexpr.dat	http://www2.research.att.com/~gsf/testregex/nullsubexpr.dat
+repetition.dat	http://www2.research.att.com/~gsf/testregex/repetition.dat
+
+The test data has been edited to reflect RE2/Go differences:
+  * In a star of a possibly empty match like (a*)* matching x,
+    the no match case runs the starred subexpression zero times,
+    not once.  This is consistent with (a*)* matching a, which
+    runs the starred subexpression one time, not twice.
+  * The submatch choice is first match, not the POSIX rule.
+
+Such changes are marked with 'RE2/Go'.
+
+
+RE2 Test Files
+
+re2-exhaustive.txt.bz2 and re2-search.txt are built by running
+'make log' in the RE2 distribution https://github.com/google/re2/
+
+The exhaustive file is compressed because it is huge.
diff --git a/src/regexp/testdata/basic.dat b/src/regexp/testdata/basic.dat
new file mode 100644
index 0000000..1776b1f
--- /dev/null
+++ b/src/regexp/testdata/basic.dat
@@ -0,0 +1,217 @@
+NOTE	all standard compliant implementations should pass these : 2002-05-31
+
+BE	abracadabra$	abracadabracadabra	(7,18)
+BE	a...b		abababbb		(2,7)
+BE	XXXXXX		..XXXXXX		(2,8)
+E	\)		()	(1,2)
+BE	a]		a]a	(0,2)
+B	}		}	(0,1)
+E	\}		}	(0,1)
+BE	\]		]	(0,1)
+B	]		]	(0,1)
+E	]		]	(0,1)
+B	{		{	(0,1)
+B	}		}	(0,1)
+BE	^a		ax	(0,1)
+BE	\^a		a^a	(1,3)
+BE	a\^		a^	(0,2)
+BE	a$		aa	(1,2)
+BE	a\$		a$	(0,2)
+BE	^$		NULL	(0,0)
+E	$^		NULL	(0,0)
+E	a($)		aa	(1,2)(2,2)
+E	a*(^a)		aa	(0,1)(0,1)
+E	(..)*(...)*		a	(0,0)
+E	(..)*(...)*		abcd	(0,4)(2,4)
+E	(ab|a)(bc|c)		abc	(0,3)(0,2)(2,3)
+E	(ab)c|abc		abc	(0,3)(0,2)
+E	a{0}b		ab			(1,2)
+E	(a*)(b?)(b+)b{3}	aaabbbbbbb	(0,10)(0,3)(3,4)(4,7)
+E	(a*)(b{0,1})(b{1,})b{3}	aaabbbbbbb	(0,10)(0,3)(3,4)(4,7)
+E	a{9876543210}	NULL	BADBR
+E	((a|a)|a)			a	(0,1)(0,1)(0,1)
+E	(a*)(a|aa)			aaaa	(0,4)(0,3)(3,4)
+E	a*(a.|aa)			aaaa	(0,4)(2,4)
+E	a(b)|c(d)|a(e)f			aef	(0,3)(?,?)(?,?)(1,2)
+E	(a|b)?.*			b	(0,1)(0,1)
+E	(a|b)c|a(b|c)			ac	(0,2)(0,1)
+E	(a|b)c|a(b|c)			ab	(0,2)(?,?)(1,2)
+E	(a|b)*c|(a|ab)*c		abc	(0,3)(1,2)
+E	(a|b)*c|(a|ab)*c		xc	(1,2)
+E	(.a|.b).*|.*(.a|.b)		xa	(0,2)(0,2)
+E	a?(ab|ba)ab			abab	(0,4)(0,2)
+E	a?(ac{0}b|ba)ab			abab	(0,4)(0,2)
+E	ab|abab				abbabab	(0,2)
+E	aba|bab|bba			baaabbbaba	(5,8)
+E	aba|bab				baaabbbaba	(6,9)
+E	(aa|aaa)*|(a|aaaaa)		aa	(0,2)(0,2)
+E	(a.|.a.)*|(a|.a...)		aa	(0,2)(0,2)
+E	ab|a				xabc	(1,3)
+E	ab|a				xxabc	(2,4)
+Ei	(Ab|cD)*			aBcD	(0,4)(2,4)
+BE	[^-]			--a		(2,3)
+BE	[a-]*			--a		(0,3)
+BE	[a-m-]*			--amoma--	(0,4)
+E	:::1:::0:|:::1:1:0:	:::0:::1:::1:::0:	(8,17)
+E	:::1:::0:|:::1:1:1:	:::0:::1:::1:::0:	(8,17)
+{E	[[:upper:]]		A		(0,1)	[[<element>]] not supported
+E	[[:lower:]]+		`az{		(1,3)
+E	[[:upper:]]+		@AZ[		(1,3)
+# No collation in Go
+#BE	[[-]]			[[-]]		(2,4)
+#BE	[[.NIL.]]	NULL	ECOLLATE
+#BE	[[=aleph=]]	NULL	ECOLLATE
+}
+BE$	\n		\n	(0,1)
+BEn$	\n		\n	(0,1)
+BE$	[^a]		\n	(0,1)
+BE$	\na		\na	(0,2)
+E	(a)(b)(c)	abc	(0,3)(0,1)(1,2)(2,3)
+BE	xxx		xxx	(0,3)
+E1	(^|[ (,;])((([Ff]eb[^ ]* *|0*2/|\* */?)0*[6-7]))([^0-9]|$)	feb 6,	(0,6)
+E1	(^|[ (,;])((([Ff]eb[^ ]* *|0*2/|\* */?)0*[6-7]))([^0-9]|$)	2/7	(0,3)
+E1	(^|[ (,;])((([Ff]eb[^ ]* *|0*2/|\* */?)0*[6-7]))([^0-9]|$)	feb 1,Feb 6	(5,11)
+E3	((((((((((((((((((((((((((((((x))))))))))))))))))))))))))))))	x	(0,1)(0,1)(0,1)
+E3	((((((((((((((((((((((((((((((x))))))))))))))))))))))))))))))*	xx	(0,2)(1,2)(1,2)
+E	a?(ab|ba)*	ababababababababababababababababababababababababababababababababababababababababa	(0,81)(79,81)
+E	abaa|abbaa|abbbaa|abbbbaa	ababbabbbabbbabbbbabbbbaa	(18,25)
+E	abaa|abbaa|abbbaa|abbbbaa	ababbabbbabbbabbbbabaa	(18,22)
+E	aaac|aabc|abac|abbc|baac|babc|bbac|bbbc	baaabbbabac	(7,11)
+BE$	.*			\x01\xff	(0,2)
+E	aaaa|bbbb|cccc|ddddd|eeeeee|fffffff|gggg|hhhh|iiiii|jjjjj|kkkkk|llll		XaaaXbbbXcccXdddXeeeXfffXgggXhhhXiiiXjjjXkkkXlllXcbaXaaaa	(53,57)
+L	aaaa\nbbbb\ncccc\nddddd\neeeeee\nfffffff\ngggg\nhhhh\niiiii\njjjjj\nkkkkk\nllll		XaaaXbbbXcccXdddXeeeXfffXgggXhhhXiiiXjjjXkkkXlllXcbaXaaaa	NOMATCH
+E	a*a*a*a*a*b		aaaaaaaaab	(0,10)
+BE	^			NULL		(0,0)
+BE	$			NULL		(0,0)
+BE	^$			NULL		(0,0)
+BE	^a$			a		(0,1)
+BE	abc			abc		(0,3)
+BE	abc			xabcy		(1,4)
+BE	abc			ababc		(2,5)
+BE	ab*c			abc		(0,3)
+BE	ab*bc			abc		(0,3)
+BE	ab*bc			abbc		(0,4)
+BE	ab*bc			abbbbc		(0,6)
+E	ab+bc			abbc		(0,4)
+E	ab+bc			abbbbc		(0,6)
+E	ab?bc			abbc		(0,4)
+E	ab?bc			abc		(0,3)
+E	ab?c			abc		(0,3)
+BE	^abc$			abc		(0,3)
+BE	^abc			abcc		(0,3)
+BE	abc$			aabc		(1,4)
+BE	^			abc		(0,0)
+BE	$			abc		(3,3)
+BE	a.c			abc		(0,3)
+BE	a.c			axc		(0,3)
+BE	a.*c			axyzc		(0,5)
+BE	a[bc]d			abd		(0,3)
+BE	a[b-d]e			ace		(0,3)
+BE	a[b-d]			aac		(1,3)
+BE	a[-b]			a-		(0,2)
+BE	a[b-]			a-		(0,2)
+BE	a]			a]		(0,2)
+BE	a[]]b			a]b		(0,3)
+BE	a[^bc]d			aed		(0,3)
+BE	a[^-b]c			adc		(0,3)
+BE	a[^]b]c			adc		(0,3)
+E	ab|cd			abc		(0,2)
+E	ab|cd			abcd		(0,2)
+E	a\(b			a(b		(0,3)
+E	a\(*b			ab		(0,2)
+E	a\(*b			a((b		(0,4)
+E	((a))			abc		(0,1)(0,1)(0,1)
+E	(a)b(c)			abc		(0,3)(0,1)(2,3)
+E	a+b+c			aabbabc		(4,7)
+E	a*			aaa		(0,3)
+E	(a*)*			-		(0,0)(0,0)
+E	(a*)+			-		(0,0)(0,0)
+E	(a*|b)*			-		(0,0)(0,0)
+E	(a+|b)*			ab		(0,2)(1,2)
+E	(a+|b)+			ab		(0,2)(1,2)
+E	(a+|b)?			ab		(0,1)(0,1)
+BE	[^ab]*			cde		(0,3)
+E	(^)*			-		(0,0)(0,0)
+BE	a*			NULL		(0,0)
+E	([abc])*d		abbbcd		(0,6)(4,5)
+E	([abc])*bcd		abcd		(0,4)(0,1)
+E	a|b|c|d|e		e		(0,1)
+E	(a|b|c|d|e)f		ef		(0,2)(0,1)
+E	((a*|b))*		-		(0,0)(0,0)(0,0)
+BE	abcd*efg		abcdefg		(0,7)
+BE	ab*			xabyabbbz	(1,3)
+BE	ab*			xayabbbz	(1,2)
+E	(ab|cd)e		abcde		(2,5)(2,4)
+BE	[abhgefdc]ij		hij		(0,3)
+E	(a|b)c*d		abcd		(1,4)(1,2)
+E	(ab|ab*)bc		abc		(0,3)(0,1)
+E	a([bc]*)c*		abc		(0,3)(1,3)
+E	a([bc]*)(c*d)		abcd		(0,4)(1,3)(3,4)
+E	a([bc]+)(c*d)		abcd		(0,4)(1,3)(3,4)
+E	a([bc]*)(c+d)		abcd		(0,4)(1,2)(2,4)
+E	a[bcd]*dcdcde		adcdcde		(0,7)
+E	(ab|a)b*c		abc		(0,3)(0,2)
+E	((a)(b)c)(d)		abcd		(0,4)(0,3)(0,1)(1,2)(3,4)
+BE	[A-Za-z_][A-Za-z0-9_]*	alpha		(0,5)
+E	^a(bc+|b[eh])g|.h$	abh		(1,3)
+E	(bc+d$|ef*g.|h?i(j|k))	effgz		(0,5)(0,5)
+E	(bc+d$|ef*g.|h?i(j|k))	ij		(0,2)(0,2)(1,2)
+E	(bc+d$|ef*g.|h?i(j|k))	reffgz		(1,6)(1,6)
+E	(((((((((a)))))))))	a		(0,1)(0,1)(0,1)(0,1)(0,1)(0,1)(0,1)(0,1)(0,1)(0,1)
+BE	multiple words		multiple words yeah	(0,14)
+E	(.*)c(.*)		abcde		(0,5)(0,2)(3,5)
+BE	abcd			abcd		(0,4)
+E	a(bc)d			abcd		(0,4)(1,3)
+E	a[
-]?c		ac		(0,3)
+E	M[ou]'?am+[ae]r .*([AEae]l[- ])?[GKQ]h?[aeu]+([dtz][dhz]?)+af[iy]	Muammar Qaddafi	(0,15)(?,?)(10,12)
+E	M[ou]'?am+[ae]r .*([AEae]l[- ])?[GKQ]h?[aeu]+([dtz][dhz]?)+af[iy]	Mo'ammar Gadhafi	(0,16)(?,?)(11,13)
+E	M[ou]'?am+[ae]r .*([AEae]l[- ])?[GKQ]h?[aeu]+([dtz][dhz]?)+af[iy]	Muammar Kaddafi	(0,15)(?,?)(10,12)
+E	M[ou]'?am+[ae]r .*([AEae]l[- ])?[GKQ]h?[aeu]+([dtz][dhz]?)+af[iy]	Muammar Qadhafi	(0,15)(?,?)(10,12)
+E	M[ou]'?am+[ae]r .*([AEae]l[- ])?[GKQ]h?[aeu]+([dtz][dhz]?)+af[iy]	Muammar Gadafi	(0,14)(?,?)(10,11)
+E	M[ou]'?am+[ae]r .*([AEae]l[- ])?[GKQ]h?[aeu]+([dtz][dhz]?)+af[iy]	Mu'ammar Qadafi	(0,15)(?,?)(11,12)
+E	M[ou]'?am+[ae]r .*([AEae]l[- ])?[GKQ]h?[aeu]+([dtz][dhz]?)+af[iy]	Moamar Gaddafi	(0,14)(?,?)(9,11)
+E	M[ou]'?am+[ae]r .*([AEae]l[- ])?[GKQ]h?[aeu]+([dtz][dhz]?)+af[iy]	Mu'ammar Qadhdhafi	(0,18)(?,?)(13,15)
+E	M[ou]'?am+[ae]r .*([AEae]l[- ])?[GKQ]h?[aeu]+([dtz][dhz]?)+af[iy]	Muammar Khaddafi	(0,16)(?,?)(11,13)
+E	M[ou]'?am+[ae]r .*([AEae]l[- ])?[GKQ]h?[aeu]+([dtz][dhz]?)+af[iy]	Muammar Ghaddafy	(0,16)(?,?)(11,13)
+E	M[ou]'?am+[ae]r .*([AEae]l[- ])?[GKQ]h?[aeu]+([dtz][dhz]?)+af[iy]	Muammar Ghadafi	(0,15)(?,?)(11,12)
+E	M[ou]'?am+[ae]r .*([AEae]l[- ])?[GKQ]h?[aeu]+([dtz][dhz]?)+af[iy]	Muammar Ghaddafi	(0,16)(?,?)(11,13)
+E	M[ou]'?am+[ae]r .*([AEae]l[- ])?[GKQ]h?[aeu]+([dtz][dhz]?)+af[iy]	Muamar Kaddafi	(0,14)(?,?)(9,11)
+E	M[ou]'?am+[ae]r .*([AEae]l[- ])?[GKQ]h?[aeu]+([dtz][dhz]?)+af[iy]	Muammar Quathafi	(0,16)(?,?)(11,13)
+E	M[ou]'?am+[ae]r .*([AEae]l[- ])?[GKQ]h?[aeu]+([dtz][dhz]?)+af[iy]	Muammar Gheddafi	(0,16)(?,?)(11,13)
+E	M[ou]'?am+[ae]r .*([AEae]l[- ])?[GKQ]h?[aeu]+([dtz][dhz]?)+af[iy]	Moammar Khadafy	(0,15)(?,?)(11,12)
+E	M[ou]'?am+[ae]r .*([AEae]l[- ])?[GKQ]h?[aeu]+([dtz][dhz]?)+af[iy]	Moammar Qudhafi	(0,15)(?,?)(10,12)
+E	a+(b|c)*d+		aabcdd			(0,6)(3,4)
+E	^.+$			vivi			(0,4)
+E	^(.+)$			vivi			(0,4)(0,4)
+E	^([^!.]+).att.com!(.+)$	gryphon.att.com!eby	(0,19)(0,7)(16,19)
+E	^([^!]+!)?([^!]+)$	bas			(0,3)(?,?)(0,3)
+E	^([^!]+!)?([^!]+)$	bar!bas			(0,7)(0,4)(4,7)
+E	^([^!]+!)?([^!]+)$	foo!bas			(0,7)(0,4)(4,7)
+E	^.+!([^!]+!)([^!]+)$	foo!bar!bas		(0,11)(4,8)(8,11)
+E	((foo)|(bar))!bas	bar!bas			(0,7)(0,3)(?,?)(0,3)
+E	((foo)|(bar))!bas	foo!bar!bas		(4,11)(4,7)(?,?)(4,7)
+E	((foo)|(bar))!bas	foo!bas			(0,7)(0,3)(0,3)
+E	((foo)|bar)!bas		bar!bas			(0,7)(0,3)
+E	((foo)|bar)!bas		foo!bar!bas		(4,11)(4,7)
+E	((foo)|bar)!bas		foo!bas			(0,7)(0,3)(0,3)
+E	(foo|(bar))!bas		bar!bas			(0,7)(0,3)(0,3)
+E	(foo|(bar))!bas		foo!bar!bas		(4,11)(4,7)(4,7)
+E	(foo|(bar))!bas		foo!bas			(0,7)(0,3)
+E	(foo|bar)!bas		bar!bas			(0,7)(0,3)
+E	(foo|bar)!bas		foo!bar!bas		(4,11)(4,7)
+E	(foo|bar)!bas		foo!bas			(0,7)(0,3)
+E	^(([^!]+!)?([^!]+)|.+!([^!]+!)([^!]+))$	foo!bar!bas	(0,11)(0,11)(?,?)(?,?)(4,8)(8,11)
+E	^([^!]+!)?([^!]+)$|^.+!([^!]+!)([^!]+)$	bas		(0,3)(?,?)(0,3)
+E	^([^!]+!)?([^!]+)$|^.+!([^!]+!)([^!]+)$	bar!bas		(0,7)(0,4)(4,7)
+E	^([^!]+!)?([^!]+)$|^.+!([^!]+!)([^!]+)$	foo!bar!bas	(0,11)(?,?)(?,?)(4,8)(8,11)
+E	^([^!]+!)?([^!]+)$|^.+!([^!]+!)([^!]+)$	foo!bas		(0,7)(0,4)(4,7)
+E	^(([^!]+!)?([^!]+)|.+!([^!]+!)([^!]+))$	bas		(0,3)(0,3)(?,?)(0,3)
+E	^(([^!]+!)?([^!]+)|.+!([^!]+!)([^!]+))$	bar!bas		(0,7)(0,7)(0,4)(4,7)
+E	^(([^!]+!)?([^!]+)|.+!([^!]+!)([^!]+))$	foo!bar!bas	(0,11)(0,11)(?,?)(?,?)(4,8)(8,11)
+E	^(([^!]+!)?([^!]+)|.+!([^!]+!)([^!]+))$	foo!bas		(0,7)(0,7)(0,4)(4,7)
+E	.*(/XXX).*			/XXX			(0,4)(0,4)
+E	.*(\\XXX).*			\XXX			(0,4)(0,4)
+E	\\XXX				\XXX			(0,4)
+E	.*(/000).*			/000			(0,4)(0,4)
+E	.*(\\000).*			\000			(0,4)(0,4)
+E	\\000				\000			(0,4)
diff --git a/src/regexp/testdata/nullsubexpr.dat b/src/regexp/testdata/nullsubexpr.dat
new file mode 100644
index 0000000..68d9c99
--- /dev/null
+++ b/src/regexp/testdata/nullsubexpr.dat
@@ -0,0 +1,73 @@
+NOTE	null subexpression matches : 2002-06-06
+
+E	(a*)*		a		(0,1)(0,1)
+E	SAME		x		(0,0)(0,0)
+E	SAME		aaaaaa		(0,6)(0,6)
+E	SAME		aaaaaax		(0,6)(0,6)
+E	(a*)+		a		(0,1)(0,1)
+E	SAME		x		(0,0)(0,0)
+E	SAME		aaaaaa		(0,6)(0,6)
+E	SAME		aaaaaax		(0,6)(0,6)
+E	(a+)*		a		(0,1)(0,1)
+E	SAME		x		(0,0)
+E	SAME		aaaaaa		(0,6)(0,6)
+E	SAME		aaaaaax		(0,6)(0,6)
+E	(a+)+		a		(0,1)(0,1)
+E	SAME		x		NOMATCH
+E	SAME		aaaaaa		(0,6)(0,6)
+E	SAME		aaaaaax		(0,6)(0,6)
+
+E	([a]*)*		a		(0,1)(0,1)
+E	SAME		x		(0,0)(0,0)
+E	SAME		aaaaaa		(0,6)(0,6)
+E	SAME		aaaaaax		(0,6)(0,6)
+E	([a]*)+		a		(0,1)(0,1)
+E	SAME		x		(0,0)(0,0)
+E	SAME		aaaaaa		(0,6)(0,6)
+E	SAME		aaaaaax		(0,6)(0,6)
+E	([^b]*)*	a		(0,1)(0,1)
+E	SAME		b		(0,0)(0,0)
+E	SAME		aaaaaa		(0,6)(0,6)
+E	SAME		aaaaaab		(0,6)(0,6)
+E	([ab]*)*	a		(0,1)(0,1)
+E	SAME		aaaaaa		(0,6)(0,6)
+E	SAME		ababab		(0,6)(0,6)
+E	SAME		bababa		(0,6)(0,6)
+E	SAME		b		(0,1)(0,1)
+E	SAME		bbbbbb		(0,6)(0,6)
+E	SAME		aaaabcde	(0,5)(0,5)
+E	([^a]*)*	b		(0,1)(0,1)
+E	SAME		bbbbbb		(0,6)(0,6)
+E	SAME		aaaaaa		(0,0)(0,0)
+E	([^ab]*)*	ccccxx		(0,6)(0,6)
+E	SAME		ababab		(0,0)(0,0)
+
+E	((z)+|a)*	zabcde		(0,2)(1,2)
+
+#{E	a+?		aaaaaa		(0,1)	no *? +? mimimal match ops
+#E	(a)		aaa		(0,1)(0,1)
+#E	(a*?)		aaa		(0,0)(0,0)
+#E	(a)*?		aaa		(0,0)
+#E	(a*?)*?		aaa		(0,0)
+#}
+
+B	\(a*\)*\(x\)		x	(0,1)(0,0)(0,1)
+B	\(a*\)*\(x\)		ax	(0,2)(0,1)(1,2)
+B	\(a*\)*\(x\)		axa	(0,2)(0,1)(1,2)
+B	\(a*\)*\(x\)\(\1\)	x	(0,1)(0,0)(0,1)(1,1)
+B	\(a*\)*\(x\)\(\1\)	ax	(0,2)(1,1)(1,2)(2,2)
+B	\(a*\)*\(x\)\(\1\)	axa	(0,3)(0,1)(1,2)(2,3)
+B	\(a*\)*\(x\)\(\1\)\(x\)	axax	(0,4)(0,1)(1,2)(2,3)(3,4)
+B	\(a*\)*\(x\)\(\1\)\(x\)	axxa	(0,3)(1,1)(1,2)(2,2)(2,3)
+
+E	(a*)*(x)		x	(0,1)(0,0)(0,1)
+E	(a*)*(x)		ax	(0,2)(0,1)(1,2)
+E	(a*)*(x)		axa	(0,2)(0,1)(1,2)
+
+E	(a*)+(x)		x	(0,1)(0,0)(0,1)
+E	(a*)+(x)		ax	(0,2)(0,1)(1,2)
+E	(a*)+(x)		axa	(0,2)(0,1)(1,2)
+
+E	(a*){2}(x)		x	(0,1)(0,0)(0,1)
+E	(a*){2}(x)		ax	(0,2)(1,1)(1,2)
+E	(a*){2}(x)		axa	(0,2)(1,1)(1,2)
diff --git a/src/regexp/testdata/re2-exhaustive.txt.bz2 b/src/regexp/testdata/re2-exhaustive.txt.bz2
new file mode 100644
index 0000000..6638476
--- /dev/null
+++ b/src/regexp/testdata/re2-exhaustive.txt.bz2
diff --git a/src/regexp/testdata/re2-search.txt b/src/regexp/testdata/re2-search.txt
new file mode 100644
index 0000000..8c4098a
--- /dev/null
+++ b/src/regexp/testdata/re2-search.txt
@@ -0,0 +1,3779 @@
+# RE2 basic search tests built by make log
+# Wed May 12 12:13:22 EDT 2021
+Regexp.SearchTests
+strings
+""
+"a"
+regexps
+"a"
+-;-;-;-
+0-1;0-1;0-1;0-1
+"^(?:a)$"
+-;-;-;-
+0-1;0-1;0-1;0-1
+"^(?:a)"
+-;-;-;-
+0-1;0-1;0-1;0-1
+"(?:a)$"
+-;-;-;-
+0-1;0-1;0-1;0-1
+strings
+""
+"zyzzyva"
+regexps
+"a"
+-;-;-;-
+-;6-7;-;6-7
+"^(?:a)$"
+-;-;-;-
+-;-;-;-
+"^(?:a)"
+-;-;-;-
+-;-;-;-
+"(?:a)$"
+-;-;-;-
+-;6-7;-;6-7
+strings
+""
+"aa"
+regexps
+"a+"
+-;-;-;-
+0-2;0-2;0-2;0-2
+"^(?:a+)$"
+-;-;-;-
+0-2;0-2;0-2;0-2
+"^(?:a+)"
+-;-;-;-
+0-2;0-2;0-2;0-2
+"(?:a+)$"
+-;-;-;-
+0-2;0-2;0-2;0-2
+strings
+""
+"ab"
+regexps
+"(a+|b)+"
+-;-;-;-
+0-2 1-2;0-2 1-2;0-2 1-2;0-2 1-2
+"^(?:(a+|b)+)$"
+-;-;-;-
+0-2 1-2;0-2 1-2;0-2 1-2;0-2 1-2
+"^(?:(a+|b)+)"
+-;-;-;-
+0-2 1-2;0-2 1-2;0-2 1-2;0-2 1-2
+"(?:(a+|b)+)$"
+-;-;-;-
+0-2 1-2;0-2 1-2;0-2 1-2;0-2 1-2
+strings
+""
+"xabcdx"
+regexps
+"ab|cd"
+-;-;-;-
+-;1-3;-;1-3
+"^(?:ab|cd)$"
+-;-;-;-
+-;-;-;-
+"^(?:ab|cd)"
+-;-;-;-
+-;-;-;-
+"(?:ab|cd)$"
+-;-;-;-
+-;-;-;-
+strings
+""
+"hello\ngoodbye\n"
+regexps
+"h.*od?"
+-;-;-;-
+-;0-5;-;0-5
+"^(?:h.*od?)$"
+-;-;-;-
+-;-;-;-
+"^(?:h.*od?)"
+-;-;-;-
+-;0-5;-;0-5
+"(?:h.*od?)$"
+-;-;-;-
+-;-;-;-
+strings
+""
+"hello\ngoodbye\n"
+regexps
+"h.*o"
+-;-;-;-
+-;0-5;-;0-5
+"^(?:h.*o)$"
+-;-;-;-
+-;-;-;-
+"^(?:h.*o)"
+-;-;-;-
+-;0-5;-;0-5
+"(?:h.*o)$"
+-;-;-;-
+-;-;-;-
+strings
+""
+"goodbye\nhello\n"
+regexps
+"h.*o"
+-;-;-;-
+-;8-13;-;8-13
+"^(?:h.*o)$"
+-;-;-;-
+-;-;-;-
+"^(?:h.*o)"
+-;-;-;-
+-;-;-;-
+"(?:h.*o)$"
+-;-;-;-
+-;-;-;-
+strings
+""
+"hello world"
+regexps
+"h.*o"
+-;-;-;-
+-;0-8;-;0-8
+"^(?:h.*o)$"
+-;-;-;-
+-;-;-;-
+"^(?:h.*o)"
+-;-;-;-
+-;0-8;-;0-8
+"(?:h.*o)$"
+-;-;-;-
+-;-;-;-
+strings
+""
+"othello, world"
+regexps
+"h.*o"
+-;-;-;-
+-;2-11;-;2-11
+"^(?:h.*o)$"
+-;-;-;-
+-;-;-;-
+"^(?:h.*o)"
+-;-;-;-
+-;-;-;-
+"(?:h.*o)$"
+-;-;-;-
+-;-;-;-
+strings
+""
+"aaaaaaa"
+regexps
+"[^\\s\\S]"
+-;-;-;-
+-;-;-;-
+"^(?:[^\\s\\S])$"
+-;-;-;-
+-;-;-;-
+"^(?:[^\\s\\S])"
+-;-;-;-
+-;-;-;-
+"(?:[^\\s\\S])$"
+-;-;-;-
+-;-;-;-
+strings
+""
+"aaaaaaa"
+regexps
+"a"
+-;-;-;-
+-;0-1;-;0-1
+"^(?:a)$"
+-;-;-;-
+-;-;-;-
+"^(?:a)"
+-;-;-;-
+-;0-1;-;0-1
+"(?:a)$"
+-;-;-;-
+-;6-7;-;6-7
+strings
+""
+"aaaaaaa"
+regexps
+"a*"
+0-0;0-0;0-0;0-0
+0-7;0-7;0-7;0-7
+"^(?:a*)$"
+0-0;0-0;0-0;0-0
+0-7;0-7;0-7;0-7
+"^(?:a*)"
+0-0;0-0;0-0;0-0
+0-7;0-7;0-7;0-7
+"(?:a*)$"
+0-0;0-0;0-0;0-0
+0-7;0-7;0-7;0-7
+strings
+""
+""
+regexps
+"a*"
+0-0;0-0;0-0;0-0
+0-0;0-0;0-0;0-0
+"^(?:a*)$"
+0-0;0-0;0-0;0-0
+0-0;0-0;0-0;0-0
+"^(?:a*)"
+0-0;0-0;0-0;0-0
+0-0;0-0;0-0;0-0
+"(?:a*)$"
+0-0;0-0;0-0;0-0
+0-0;0-0;0-0;0-0
+strings
+""
+"xabcdx"
+regexps
+"ab|cd"
+-;-;-;-
+-;1-3;-;1-3
+"^(?:ab|cd)$"
+-;-;-;-
+-;-;-;-
+"^(?:ab|cd)"
+-;-;-;-
+-;-;-;-
+"(?:ab|cd)$"
+-;-;-;-
+-;-;-;-
+strings
+""
+"cab"
+regexps
+"a"
+-;-;-;-
+-;1-2;-;1-2
+"^(?:a)$"
+-;-;-;-
+-;-;-;-
+"^(?:a)"
+-;-;-;-
+-;-;-;-
+"(?:a)$"
+-;-;-;-
+-;-;-;-
+strings
+""
+"cab"
+regexps
+"a*b"
+-;-;-;-
+-;1-3;-;1-3
+"^(?:a*b)$"
+-;-;-;-
+-;-;-;-
+"^(?:a*b)"
+-;-;-;-
+-;-;-;-
+"(?:a*b)$"
+-;-;-;-
+-;1-3;-;1-3
+strings
+""
+"x"
+regexps
+"((((((((((((((((((((x))))))))))))))))))))"
+-;-;-;-
+0-1 0-1 0-1 0-1 0-1 0-1 0-1 0-1 0-1 0-1 0-1 0-1 0-1 0-1 0-1 0-1 0-1 0-1 0-1 0-1 0-1;0-1 0-1 0-1 0-1 0-1 0-1 0-1 0-1 0-1 0-1 0-1 0-1 0-1 0-1 0-1 0-1 0-1 0-1 0-1 0-1 0-1;0-1 0-1 0-1 0-1 0-1 0-1 0-1 0-1 0-1 0-1 0-1 0-1 0-1 0-1 0-1 0-1 0-1 0-1 0-1 0-1 0-1;0-1 0-1 0-1 0-1 0-1 0-1 0-1 0-1 0-1 0-1 0-1 0-1 0-1 0-1 0-1 0-1 0-1 0-1 0-1 0-1 0-1
+"^(?:((((((((((((((((((((x)))))))))))))))))))))$"
+-;-;-;-
+0-1 0-1 0-1 0-1 0-1 0-1 0-1 0-1 0-1 0-1 0-1 0-1 0-1 0-1 0-1 0-1 0-1 0-1 0-1 0-1 0-1;0-1 0-1 0-1 0-1 0-1 0-1 0-1 0-1 0-1 0-1 0-1 0-1 0-1 0-1 0-1 0-1 0-1 0-1 0-1 0-1 0-1;0-1 0-1 0-1 0-1 0-1 0-1 0-1 0-1 0-1 0-1 0-1 0-1 0-1 0-1 0-1 0-1 0-1 0-1 0-1 0-1 0-1;0-1 0-1 0-1 0-1 0-1 0-1 0-1 0-1 0-1 0-1 0-1 0-1 0-1 0-1 0-1 0-1 0-1 0-1 0-1 0-1 0-1
+"^(?:((((((((((((((((((((x)))))))))))))))))))))"
+-;-;-;-
+0-1 0-1 0-1 0-1 0-1 0-1 0-1 0-1 0-1 0-1 0-1 0-1 0-1 0-1 0-1 0-1 0-1 0-1 0-1 0-1 0-1;0-1 0-1 0-1 0-1 0-1 0-1 0-1 0-1 0-1 0-1 0-1 0-1 0-1 0-1 0-1 0-1 0-1 0-1 0-1 0-1 0-1;0-1 0-1 0-1 0-1 0-1 0-1 0-1 0-1 0-1 0-1 0-1 0-1 0-1 0-1 0-1 0-1 0-1 0-1 0-1 0-1 0-1;0-1 0-1 0-1 0-1 0-1 0-1 0-1 0-1 0-1 0-1 0-1 0-1 0-1 0-1 0-1 0-1 0-1 0-1 0-1 0-1 0-1
+"(?:((((((((((((((((((((x)))))))))))))))))))))$"
+-;-;-;-
+0-1 0-1 0-1 0-1 0-1 0-1 0-1 0-1 0-1 0-1 0-1 0-1 0-1 0-1 0-1 0-1 0-1 0-1 0-1 0-1 0-1;0-1 0-1 0-1 0-1 0-1 0-1 0-1 0-1 0-1 0-1 0-1 0-1 0-1 0-1 0-1 0-1 0-1 0-1 0-1 0-1 0-1;0-1 0-1 0-1 0-1 0-1 0-1 0-1 0-1 0-1 0-1 0-1 0-1 0-1 0-1 0-1 0-1 0-1 0-1 0-1 0-1 0-1;0-1 0-1 0-1 0-1 0-1 0-1 0-1 0-1 0-1 0-1 0-1 0-1 0-1 0-1 0-1 0-1 0-1 0-1 0-1 0-1 0-1
+strings
+""
+"xxxabcdxxx"
+regexps
+"[abcd]"
+-;-;-;-
+-;3-4;-;3-4
+"^(?:[abcd])$"
+-;-;-;-
+-;-;-;-
+"^(?:[abcd])"
+-;-;-;-
+-;-;-;-
+"(?:[abcd])$"
+-;-;-;-
+-;-;-;-
+strings
+""
+"xxxabcdxxx"
+regexps
+"[^x]"
+-;-;-;-
+-;3-4;-;3-4
+"^(?:[^x])$"
+-;-;-;-
+-;-;-;-
+"^(?:[^x])"
+-;-;-;-
+-;-;-;-
+"(?:[^x])$"
+-;-;-;-
+-;-;-;-
+strings
+""
+"xxxabcdxxx"
+regexps
+"[abcd]+"
+-;-;-;-
+-;3-7;-;3-7
+"^(?:[abcd]+)$"
+-;-;-;-
+-;-;-;-
+"^(?:[abcd]+)"
+-;-;-;-
+-;-;-;-
+"(?:[abcd]+)$"
+-;-;-;-
+-;-;-;-
+strings
+""
+"xxxabcdxxx"
+regexps
+"[^x]+"
+-;-;-;-
+-;3-7;-;3-7
+"^(?:[^x]+)$"
+-;-;-;-
+-;-;-;-
+"^(?:[^x]+)"
+-;-;-;-
+-;-;-;-
+"(?:[^x]+)$"
+-;-;-;-
+-;-;-;-
+strings
+""
+"fo"
+regexps
+"(fo|foo)"
+-;-;-;-
+0-2 0-2;0-2 0-2;0-2 0-2;0-2 0-2
+"^(?:(fo|foo))$"
+-;-;-;-
+0-2 0-2;0-2 0-2;0-2 0-2;0-2 0-2
+"^(?:(fo|foo))"
+-;-;-;-
+0-2 0-2;0-2 0-2;0-2 0-2;0-2 0-2
+"(?:(fo|foo))$"
+-;-;-;-
+0-2 0-2;0-2 0-2;0-2 0-2;0-2 0-2
+strings
+""
+"foo"
+regexps
+"(foo|fo)"
+-;-;-;-
+0-3 0-3;0-3 0-3;0-3 0-3;0-3 0-3
+"^(?:(foo|fo))$"
+-;-;-;-
+0-3 0-3;0-3 0-3;0-3 0-3;0-3 0-3
+"^(?:(foo|fo))"
+-;-;-;-
+0-3 0-3;0-3 0-3;0-3 0-3;0-3 0-3
+"(?:(foo|fo))$"
+-;-;-;-
+0-3 0-3;0-3 0-3;0-3 0-3;0-3 0-3
+strings
+""
+"aA"
+regexps
+"aa"
+-;-;-;-
+-;-;-;-
+"^(?:aa)$"
+-;-;-;-
+-;-;-;-
+"^(?:aa)"
+-;-;-;-
+-;-;-;-
+"(?:aa)$"
+-;-;-;-
+-;-;-;-
+strings
+""
+"Aa"
+regexps
+"a"
+-;-;-;-
+-;1-2;-;1-2
+"^(?:a)$"
+-;-;-;-
+-;-;-;-
+"^(?:a)"
+-;-;-;-
+-;-;-;-
+"(?:a)$"
+-;-;-;-
+-;1-2;-;1-2
+strings
+""
+"A"
+regexps
+"a"
+-;-;-;-
+-;-;-;-
+"^(?:a)$"
+-;-;-;-
+-;-;-;-
+"^(?:a)"
+-;-;-;-
+-;-;-;-
+"(?:a)$"
+-;-;-;-
+-;-;-;-
+strings
+""
+"abc"
+regexps
+"ABC"
+-;-;-;-
+-;-;-;-
+"^(?:ABC)$"
+-;-;-;-
+-;-;-;-
+"^(?:ABC)"
+-;-;-;-
+-;-;-;-
+"(?:ABC)$"
+-;-;-;-
+-;-;-;-
+strings
+""
+"XABCY"
+regexps
+"abc"
+-;-;-;-
+-;-;-;-
+"^(?:abc)$"
+-;-;-;-
+-;-;-;-
+"^(?:abc)"
+-;-;-;-
+-;-;-;-
+"(?:abc)$"
+-;-;-;-
+-;-;-;-
+strings
+""
+"xabcy"
+regexps
+"ABC"
+-;-;-;-
+-;-;-;-
+"^(?:ABC)$"
+-;-;-;-
+-;-;-;-
+"^(?:ABC)"
+-;-;-;-
+-;-;-;-
+"(?:ABC)$"
+-;-;-;-
+-;-;-;-
+strings
+""
+"foo"
+regexps
+"foo|bar|[A-Z]"
+-;-;-;-
+0-3;0-3;0-3;0-3
+"^(?:foo|bar|[A-Z])$"
+-;-;-;-
+0-3;0-3;0-3;0-3
+"^(?:foo|bar|[A-Z])"
+-;-;-;-
+0-3;0-3;0-3;0-3
+"(?:foo|bar|[A-Z])$"
+-;-;-;-
+0-3;0-3;0-3;0-3
+strings
+""
+"foo"
+regexps
+"^(foo|bar|[A-Z])"
+-;-;-;-
+0-3 0-3;0-3 0-3;0-3 0-3;0-3 0-3
+"^(?:^(foo|bar|[A-Z]))$"
+-;-;-;-
+0-3 0-3;0-3 0-3;0-3 0-3;0-3 0-3
+"^(?:^(foo|bar|[A-Z]))"
+-;-;-;-
+0-3 0-3;0-3 0-3;0-3 0-3;0-3 0-3
+"(?:^(foo|bar|[A-Z]))$"
+-;-;-;-
+0-3 0-3;0-3 0-3;0-3 0-3;0-3 0-3
+strings
+""
+"foo\n"
+regexps
+"(foo|bar|[A-Z])$"
+-;-;-;-
+-;-;-;-
+"^(?:(foo|bar|[A-Z])$)$"
+-;-;-;-
+-;-;-;-
+"^(?:(foo|bar|[A-Z])$)"
+-;-;-;-
+-;-;-;-
+"(?:(foo|bar|[A-Z])$)$"
+-;-;-;-
+-;-;-;-
+strings
+""
+"foo"
+regexps
+"(foo|bar|[A-Z])$"
+-;-;-;-
+0-3 0-3;0-3 0-3;0-3 0-3;0-3 0-3
+"^(?:(foo|bar|[A-Z])$)$"
+-;-;-;-
+0-3 0-3;0-3 0-3;0-3 0-3;0-3 0-3
+"^(?:(foo|bar|[A-Z])$)"
+-;-;-;-
+0-3 0-3;0-3 0-3;0-3 0-3;0-3 0-3
+"(?:(foo|bar|[A-Z])$)$"
+-;-;-;-
+0-3 0-3;0-3 0-3;0-3 0-3;0-3 0-3
+strings
+""
+"foo\n"
+regexps
+"^(foo|bar|[A-Z])$"
+-;-;-;-
+-;-;-;-
+"^(?:^(foo|bar|[A-Z])$)$"
+-;-;-;-
+-;-;-;-
+"^(?:^(foo|bar|[A-Z])$)"
+-;-;-;-
+-;-;-;-
+"(?:^(foo|bar|[A-Z])$)$"
+-;-;-;-
+-;-;-;-
+strings
+""
+"foo"
+regexps
+"^(foo|bar|[A-Z])$"
+-;-;-;-
+0-3 0-3;0-3 0-3;0-3 0-3;0-3 0-3
+"^(?:^(foo|bar|[A-Z])$)$"
+-;-;-;-
+0-3 0-3;0-3 0-3;0-3 0-3;0-3 0-3
+"^(?:^(foo|bar|[A-Z])$)"
+-;-;-;-
+0-3 0-3;0-3 0-3;0-3 0-3;0-3 0-3
+"(?:^(foo|bar|[A-Z])$)$"
+-;-;-;-
+0-3 0-3;0-3 0-3;0-3 0-3;0-3 0-3
+strings
+""
+"bar"
+regexps
+"^(foo|bar|[A-Z])$"
+-;-;-;-
+0-3 0-3;0-3 0-3;0-3 0-3;0-3 0-3
+"^(?:^(foo|bar|[A-Z])$)$"
+-;-;-;-
+0-3 0-3;0-3 0-3;0-3 0-3;0-3 0-3
+"^(?:^(foo|bar|[A-Z])$)"
+-;-;-;-
+0-3 0-3;0-3 0-3;0-3 0-3;0-3 0-3
+"(?:^(foo|bar|[A-Z])$)$"
+-;-;-;-
+0-3 0-3;0-3 0-3;0-3 0-3;0-3 0-3
+strings
+""
+"X"
+regexps
+"^(foo|bar|[A-Z])$"
+-;-;-;-
+0-1 0-1;0-1 0-1;0-1 0-1;0-1 0-1
+"^(?:^(foo|bar|[A-Z])$)$"
+-;-;-;-
+0-1 0-1;0-1 0-1;0-1 0-1;0-1 0-1
+"^(?:^(foo|bar|[A-Z])$)"
+-;-;-;-
+0-1 0-1;0-1 0-1;0-1 0-1;0-1 0-1
+"(?:^(foo|bar|[A-Z])$)$"
+-;-;-;-
+0-1 0-1;0-1 0-1;0-1 0-1;0-1 0-1
+strings
+""
+"XY"
+regexps
+"^(foo|bar|[A-Z])$"
+-;-;-;-
+-;-;-;-
+"^(?:^(foo|bar|[A-Z])$)$"
+-;-;-;-
+-;-;-;-
+"^(?:^(foo|bar|[A-Z])$)"
+-;-;-;-
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diff --git a/src/regexp/testdata/repetition.dat b/src/regexp/testdata/repetition.dat
new file mode 100644
index 0000000..e6361f5
--- /dev/null
+++ b/src/regexp/testdata/repetition.dat
@@ -0,0 +1,163 @@
+NOTE	implicit vs. explicit repetitions : 2009-02-02
+
+# Glenn Fowler <gsf@research.att.com>
+# conforming matches (column 4) must match one of the following BREs
+#	NOMATCH
+#	(0,.)\((\(.\),\(.\))(?,?)(\2,\3)\)*
+#	(0,.)\((\(.\),\(.\))(\2,\3)(?,?)\)*
+# i.e., each 3-tuple has two identical elements and one (?,?)
+
+E	((..)|(.))				NULL		NOMATCH
+E	((..)|(.))((..)|(.))			NULL		NOMATCH
+E	((..)|(.))((..)|(.))((..)|(.))		NULL		NOMATCH
+
+E	((..)|(.)){1}				NULL		NOMATCH
+E	((..)|(.)){2}				NULL		NOMATCH
+E	((..)|(.)){3}				NULL		NOMATCH
+
+E	((..)|(.))*				NULL		(0,0)
+
+E	((..)|(.))				a		(0,1)(0,1)(?,?)(0,1)
+E	((..)|(.))((..)|(.))			a		NOMATCH
+E	((..)|(.))((..)|(.))((..)|(.))		a		NOMATCH
+
+E	((..)|(.)){1}				a		(0,1)(0,1)(?,?)(0,1)
+E	((..)|(.)){2}				a		NOMATCH
+E	((..)|(.)){3}				a		NOMATCH
+
+E	((..)|(.))*				a		(0,1)(0,1)(?,?)(0,1)
+
+E	((..)|(.))				aa		(0,2)(0,2)(0,2)(?,?)
+E	((..)|(.))((..)|(.))			aa		(0,2)(0,1)(?,?)(0,1)(1,2)(?,?)(1,2)
+E	((..)|(.))((..)|(.))((..)|(.))		aa		NOMATCH
+
+E	((..)|(.)){1}				aa		(0,2)(0,2)(0,2)(?,?)
+E	((..)|(.)){2}				aa		(0,2)(1,2)(?,?)(1,2)
+E	((..)|(.)){3}				aa		NOMATCH
+
+E	((..)|(.))*				aa		(0,2)(0,2)(0,2)(?,?)
+
+E	((..)|(.))				aaa		(0,2)(0,2)(0,2)(?,?)
+E	((..)|(.))((..)|(.))			aaa		(0,3)(0,2)(0,2)(?,?)(2,3)(?,?)(2,3)
+E	((..)|(.))((..)|(.))((..)|(.))		aaa		(0,3)(0,1)(?,?)(0,1)(1,2)(?,?)(1,2)(2,3)(?,?)(2,3)
+
+E	((..)|(.)){1}				aaa		(0,2)(0,2)(0,2)(?,?)
+#E	((..)|(.)){2}				aaa		(0,3)(2,3)(?,?)(2,3)
+E	((..)|(.)){2}				aaa		(0,3)(2,3)(0,2)(2,3)	RE2/Go
+E	((..)|(.)){3}				aaa		(0,3)(2,3)(?,?)(2,3)
+
+#E	((..)|(.))*				aaa		(0,3)(2,3)(?,?)(2,3)
+E	((..)|(.))*				aaa		(0,3)(2,3)(0,2)(2,3)	RE2/Go
+
+E	((..)|(.))				aaaa		(0,2)(0,2)(0,2)(?,?)
+E	((..)|(.))((..)|(.))			aaaa		(0,4)(0,2)(0,2)(?,?)(2,4)(2,4)(?,?)
+E	((..)|(.))((..)|(.))((..)|(.))		aaaa		(0,4)(0,2)(0,2)(?,?)(2,3)(?,?)(2,3)(3,4)(?,?)(3,4)
+
+E	((..)|(.)){1}				aaaa		(0,2)(0,2)(0,2)(?,?)
+E	((..)|(.)){2}				aaaa		(0,4)(2,4)(2,4)(?,?)
+#E	((..)|(.)){3}				aaaa		(0,4)(3,4)(?,?)(3,4)
+E	((..)|(.)){3}				aaaa		(0,4)(3,4)(0,2)(3,4)	RE2/Go
+
+E	((..)|(.))*				aaaa		(0,4)(2,4)(2,4)(?,?)
+
+E	((..)|(.))				aaaaa		(0,2)(0,2)(0,2)(?,?)
+E	((..)|(.))((..)|(.))			aaaaa		(0,4)(0,2)(0,2)(?,?)(2,4)(2,4)(?,?)
+E	((..)|(.))((..)|(.))((..)|(.))		aaaaa		(0,5)(0,2)(0,2)(?,?)(2,4)(2,4)(?,?)(4,5)(?,?)(4,5)
+
+E	((..)|(.)){1}				aaaaa		(0,2)(0,2)(0,2)(?,?)
+E	((..)|(.)){2}				aaaaa		(0,4)(2,4)(2,4)(?,?)
+#E	((..)|(.)){3}				aaaaa		(0,5)(4,5)(?,?)(4,5)
+E	((..)|(.)){3}				aaaaa		(0,5)(4,5)(2,4)(4,5)	RE2/Go
+
+#E	((..)|(.))*				aaaaa		(0,5)(4,5)(?,?)(4,5)
+E	((..)|(.))*				aaaaa		(0,5)(4,5)(2,4)(4,5)	RE2/Go
+
+E	((..)|(.))				aaaaaa		(0,2)(0,2)(0,2)(?,?)
+E	((..)|(.))((..)|(.))			aaaaaa		(0,4)(0,2)(0,2)(?,?)(2,4)(2,4)(?,?)
+E	((..)|(.))((..)|(.))((..)|(.))		aaaaaa		(0,6)(0,2)(0,2)(?,?)(2,4)(2,4)(?,?)(4,6)(4,6)(?,?)
+
+E	((..)|(.)){1}				aaaaaa		(0,2)(0,2)(0,2)(?,?)
+E	((..)|(.)){2}				aaaaaa		(0,4)(2,4)(2,4)(?,?)
+E	((..)|(.)){3}				aaaaaa		(0,6)(4,6)(4,6)(?,?)
+
+E	((..)|(.))*				aaaaaa		(0,6)(4,6)(4,6)(?,?)
+
+NOTE	additional repetition tests graciously provided by Chris Kuklewicz www.haskell.org 2009-02-02
+
+# These test a bug in OS X / FreeBSD / NetBSD, and libtree. 
+# Linux/GLIBC gets the {8,} and {8,8} wrong.
+
+:HA#100:E	X(.?){0,}Y	X1234567Y	(0,9)(7,8)
+:HA#101:E	X(.?){1,}Y	X1234567Y	(0,9)(7,8)
+:HA#102:E	X(.?){2,}Y	X1234567Y	(0,9)(7,8)
+:HA#103:E	X(.?){3,}Y	X1234567Y	(0,9)(7,8)
+:HA#104:E	X(.?){4,}Y	X1234567Y	(0,9)(7,8)
+:HA#105:E	X(.?){5,}Y	X1234567Y	(0,9)(7,8)
+:HA#106:E	X(.?){6,}Y	X1234567Y	(0,9)(7,8)
+:HA#107:E	X(.?){7,}Y	X1234567Y	(0,9)(7,8)
+:HA#108:E	X(.?){8,}Y	X1234567Y	(0,9)(8,8)
+#:HA#110:E	X(.?){0,8}Y	X1234567Y	(0,9)(7,8)
+:HA#110:E	X(.?){0,8}Y	X1234567Y	(0,9)(8,8)	RE2/Go
+#:HA#111:E	X(.?){1,8}Y	X1234567Y	(0,9)(7,8)
+:HA#111:E	X(.?){1,8}Y	X1234567Y	(0,9)(8,8)	RE2/Go
+#:HA#112:E	X(.?){2,8}Y	X1234567Y	(0,9)(7,8)
+:HA#112:E	X(.?){2,8}Y	X1234567Y	(0,9)(8,8)	RE2/Go
+#:HA#113:E	X(.?){3,8}Y	X1234567Y	(0,9)(7,8)
+:HA#113:E	X(.?){3,8}Y	X1234567Y	(0,9)(8,8)	RE2/Go
+#:HA#114:E	X(.?){4,8}Y	X1234567Y	(0,9)(7,8)
+:HA#114:E	X(.?){4,8}Y	X1234567Y	(0,9)(8,8)	RE2/Go
+#:HA#115:E	X(.?){5,8}Y	X1234567Y	(0,9)(7,8)
+:HA#115:E	X(.?){5,8}Y	X1234567Y	(0,9)(8,8)	RE2/Go
+#:HA#116:E	X(.?){6,8}Y	X1234567Y	(0,9)(7,8)
+:HA#116:E	X(.?){6,8}Y	X1234567Y	(0,9)(8,8)	RE2/Go
+#:HA#117:E	X(.?){7,8}Y	X1234567Y	(0,9)(7,8)
+:HA#117:E	X(.?){7,8}Y	X1234567Y	(0,9)(8,8)	RE2/Go
+:HA#118:E	X(.?){8,8}Y	X1234567Y	(0,9)(8,8)
+
+# These test a fixed bug in my regex-tdfa that did not keep the expanded
+# form properly grouped, so right association did the wrong thing with
+# these ambiguous patterns (crafted just to test my code when I became
+# suspicious of my implementation).  The first subexpression should use
+# "ab" then "a" then "bcd".
+
+# OS X / FreeBSD / NetBSD badly fail many of these, with impossible
+# results like (0,6)(4,5)(6,6).
+
+:HA#260:E	(a|ab|c|bcd){0,}(d*)	ababcd	(0,6)(3,6)(6,6)
+:HA#261:E	(a|ab|c|bcd){1,}(d*)	ababcd	(0,6)(3,6)(6,6)
+:HA#262:E	(a|ab|c|bcd){2,}(d*)	ababcd	(0,6)(3,6)(6,6)
+:HA#263:E	(a|ab|c|bcd){3,}(d*)	ababcd	(0,6)(3,6)(6,6)
+:HA#264:E	(a|ab|c|bcd){4,}(d*)	ababcd	NOMATCH
+:HA#265:E	(a|ab|c|bcd){0,10}(d*)	ababcd	(0,6)(3,6)(6,6)
+:HA#266:E	(a|ab|c|bcd){1,10}(d*)	ababcd	(0,6)(3,6)(6,6)
+:HA#267:E	(a|ab|c|bcd){2,10}(d*)	ababcd	(0,6)(3,6)(6,6)
+:HA#268:E	(a|ab|c|bcd){3,10}(d*)	ababcd	(0,6)(3,6)(6,6)
+:HA#269:E	(a|ab|c|bcd){4,10}(d*)	ababcd	NOMATCH
+:HA#270:E	(a|ab|c|bcd)*(d*)	ababcd	(0,6)(3,6)(6,6)
+:HA#271:E	(a|ab|c|bcd)+(d*)	ababcd	(0,6)(3,6)(6,6)
+
+# The above worked on Linux/GLIBC but the following often fail.
+# They also trip up OS X / FreeBSD / NetBSD:
+
+#:HA#280:E	(ab|a|c|bcd){0,}(d*)	ababcd	(0,6)(3,6)(6,6)
+:HA#280:E	(ab|a|c|bcd){0,}(d*)	ababcd	(0,6)(4,5)(5,6)	RE2/Go
+#:HA#281:E	(ab|a|c|bcd){1,}(d*)	ababcd	(0,6)(3,6)(6,6)
+:HA#281:E	(ab|a|c|bcd){1,}(d*)	ababcd	(0,6)(4,5)(5,6)	RE2/Go
+#:HA#282:E	(ab|a|c|bcd){2,}(d*)	ababcd	(0,6)(3,6)(6,6)
+:HA#282:E	(ab|a|c|bcd){2,}(d*)	ababcd	(0,6)(4,5)(5,6)	RE2/Go
+#:HA#283:E	(ab|a|c|bcd){3,}(d*)	ababcd	(0,6)(3,6)(6,6)
+:HA#283:E	(ab|a|c|bcd){3,}(d*)	ababcd	(0,6)(4,5)(5,6)	RE2/Go
+:HA#284:E	(ab|a|c|bcd){4,}(d*)	ababcd	NOMATCH
+#:HA#285:E	(ab|a|c|bcd){0,10}(d*)	ababcd	(0,6)(3,6)(6,6)
+:HA#285:E	(ab|a|c|bcd){0,10}(d*)	ababcd	(0,6)(4,5)(5,6)	RE2/Go
+#:HA#286:E	(ab|a|c|bcd){1,10}(d*)	ababcd	(0,6)(3,6)(6,6)
+:HA#286:E	(ab|a|c|bcd){1,10}(d*)	ababcd	(0,6)(4,5)(5,6)	RE2/Go
+#:HA#287:E	(ab|a|c|bcd){2,10}(d*)	ababcd	(0,6)(3,6)(6,6)
+:HA#287:E	(ab|a|c|bcd){2,10}(d*)	ababcd	(0,6)(4,5)(5,6)	RE2/Go
+#:HA#288:E	(ab|a|c|bcd){3,10}(d*)	ababcd	(0,6)(3,6)(6,6)
+:HA#288:E	(ab|a|c|bcd){3,10}(d*)	ababcd	(0,6)(4,5)(5,6)	RE2/Go
+:HA#289:E	(ab|a|c|bcd){4,10}(d*)	ababcd	NOMATCH
+#:HA#290:E	(ab|a|c|bcd)*(d*)	ababcd	(0,6)(3,6)(6,6)
+:HA#290:E	(ab|a|c|bcd)*(d*)	ababcd	(0,6)(4,5)(5,6)	RE2/Go
+#:HA#291:E	(ab|a|c|bcd)+(d*)	ababcd	(0,6)(3,6)(6,6)
+:HA#291:E	(ab|a|c|bcd)+(d*)	ababcd	(0,6)(4,5)(5,6)	RE2/Go
diff --git a/src/regexp/testdata/testregex.c b/src/regexp/testdata/testregex.c
new file mode 100644
index 0000000..37545d0
--- /dev/null
+++ b/src/regexp/testdata/testregex.c
@@ -0,0 +1,2286 @@
+#pragma prototyped noticed
+
+/*
+ * regex(3) test harness
+ *
+ * build:	cc -o testregex testregex.c
+ * help:	testregex --man
+ * note:	REG_* features are detected by #ifdef; if REG_* are enums
+ *		then supply #define REG_foo REG_foo for each enum REG_foo
+ *
+ *	Glenn Fowler <gsf@research.att.com>
+ *	AT&T Research
+ *
+ * PLEASE: publish your tests so everyone can benefit
+ *
+ * The following license covers testregex.c and all associated test data.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of THIS SOFTWARE FILE (the "Software"), to deal in the Software
+ * without restriction, including without limitation the rights to use,
+ * copy, modify, merge, publish, distribute, and/or sell copies of the
+ * Software, and to permit persons to whom the Software is furnished to do
+ * so, subject to the following disclaimer:
+ *
+ * THIS SOFTWARE IS PROVIDED BY AT&T ``AS IS'' AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL AT&T BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+static const char id[] = "\n@(#)$Id: testregex (AT&T Research) 2010-06-10 $\0\n";
+
+#if _PACKAGE_ast
+#include <ast.h>
+#else
+#include <sys/types.h>
+#endif
+
+#include <stdio.h>
+#include <regex.h>
+#include <ctype.h>
+#include <setjmp.h>
+#include <signal.h>
+#include <string.h>
+#include <unistd.h>
+
+#ifdef	__STDC__
+#include <stdlib.h>
+#include <locale.h>
+#endif
+
+#ifndef RE_DUP_MAX
+#define RE_DUP_MAX	32767
+#endif
+
+#if !_PACKAGE_ast
+#undef	REG_DISCIPLINE
+#endif
+
+#ifndef REG_DELIMITED
+#undef	_REG_subcomp
+#endif
+
+#define TEST_ARE		0x00000001
+#define TEST_BRE		0x00000002
+#define TEST_ERE		0x00000004
+#define TEST_KRE		0x00000008
+#define TEST_LRE		0x00000010
+#define TEST_SRE		0x00000020
+
+#define TEST_EXPAND		0x00000100
+#define TEST_LENIENT		0x00000200
+
+#define TEST_QUERY		0x00000400
+#define TEST_SUB		0x00000800
+#define TEST_UNSPECIFIED	0x00001000
+#define TEST_VERIFY		0x00002000
+#define TEST_AND		0x00004000
+#define TEST_OR			0x00008000
+
+#define TEST_DELIMIT		0x00010000
+#define TEST_OK			0x00020000
+#define TEST_SAME		0x00040000
+
+#define TEST_ACTUAL		0x00100000
+#define TEST_BASELINE		0x00200000
+#define TEST_FAIL		0x00400000
+#define TEST_PASS		0x00800000
+#define TEST_SUMMARY		0x01000000
+
+#define TEST_IGNORE_ERROR	0x02000000
+#define TEST_IGNORE_OVER	0x04000000
+#define TEST_IGNORE_POSITION	0x08000000
+
+#define TEST_CATCH		0x10000000
+#define TEST_VERBOSE		0x20000000
+
+#define TEST_DECOMP		0x40000000
+
+#define TEST_GLOBAL		(TEST_ACTUAL|TEST_AND|TEST_BASELINE|TEST_CATCH|TEST_FAIL|TEST_IGNORE_ERROR|TEST_IGNORE_OVER|TEST_IGNORE_POSITION|TEST_OR|TEST_PASS|TEST_SUMMARY|TEST_VERBOSE)
+
+#ifdef REG_DISCIPLINE
+
+
+#include <stk.h>
+
+typedef struct Disc_s
+{
+	regdisc_t	disc;
+	int		ordinal;
+	Sfio_t*		sp;
+} Disc_t;
+
+static void*
+compf(const regex_t* re, const char* xstr, size_t xlen, regdisc_t* disc)
+{
+	Disc_t*		dp = (Disc_t*)disc;
+
+	return (void*)((char*)0 + ++dp->ordinal);
+}
+
+static int
+execf(const regex_t* re, void* data, const char* xstr, size_t xlen, const char* sstr, size_t slen, char** snxt, regdisc_t* disc)
+{
+	Disc_t*		dp = (Disc_t*)disc;
+
+	sfprintf(dp->sp, "{%-.*s}(%lu:%d)", xlen, xstr, (char*)data - (char*)0, slen);
+	return atoi(xstr);
+}
+
+static void*
+resizef(void* handle, void* data, size_t size)
+{
+	if (!size)
+		return 0;
+	return stkalloc((Sfio_t*)handle, size);
+}
+
+#endif
+
+#ifndef NiL
+#ifdef	__STDC__
+#define NiL		0
+#else
+#define NiL		(char*)0
+#endif
+#endif
+
+#define H(x)		do{if(html)fprintf(stderr,x);}while(0)
+#define T(x)		fprintf(stderr,x)
+
+static void
+help(int html)
+{
+H("<!DOCTYPE HTML PUBLIC \"-//IETF//DTD HTML//EN\">\n");
+H("<HTML>\n");
+H("<HEAD>\n");
+H("<TITLE>testregex man document</TITLE>\n");
+H("</HEAD>\n");
+H("<BODY bgcolor=white>\n");
+H("<PRE>\n");
+T("NAME\n");
+T("  testregex - regex(3) test harness\n");
+T("\n");
+T("SYNOPSIS\n");
+T("  testregex [ options ]\n");
+T("\n");
+T("DESCRIPTION\n");
+T("  testregex reads regex(3) test specifications, one per line, from the\n");
+T("  standard input and writes one output line for each failed test. A\n");
+T("  summary line is written after all tests are done. Each successful\n");
+T("  test is run again with REG_NOSUB. Unsupported features are noted\n");
+T("  before the first test, and tests requiring these features are\n");
+T("  silently ignored.\n");
+T("\n");
+T("OPTIONS\n");
+T("  -c	catch signals and non-terminating calls\n");
+T("  -e	ignore error return mismatches\n");
+T("  -h	list help on standard error\n");
+T("  -n	do not repeat successful tests with regnexec()\n");
+T("  -o	ignore match[] overrun errors\n");
+T("  -p	ignore negative position mismatches\n");
+T("  -s	use stack instead of malloc\n");
+T("  -x	do not repeat successful tests with REG_NOSUB\n");
+T("  -v	list each test line\n");
+T("  -A	list failed test lines with actual answers\n");
+T("  -B	list all test lines with actual answers\n");
+T("  -F	list failed test lines\n");
+T("  -P	list passed test lines\n");
+T("  -S	output one summary line\n");
+T("\n");
+T("INPUT FORMAT\n");
+T("  Input lines may be blank, a comment beginning with #, or a test\n");
+T("  specification. A specification is five fields separated by one\n");
+T("  or more tabs. NULL denotes the empty string and NIL denotes the\n");
+T("  0 pointer.\n");
+T("\n");
+T("  Field 1: the regex(3) flags to apply, one character per REG_feature\n");
+T("  flag. The test is skipped if REG_feature is not supported by the\n");
+T("  implementation. If the first character is not [BEASKLP] then the\n");
+T("  specification is a global control line. One or more of [BEASKLP] may be\n");
+T("  specified; the test will be repeated for each mode.\n");
+T("\n");
+T("    B 	basic			BRE	(grep, ed, sed)\n");
+T("    E 	REG_EXTENDED		ERE	(egrep)\n");
+T("    A	REG_AUGMENTED		ARE	(egrep with negation)\n");
+T("    S	REG_SHELL		SRE	(sh glob)\n");
+T("    K	REG_SHELL|REG_AUGMENTED	KRE	(ksh glob)\n");
+T("    L	REG_LITERAL		LRE	(fgrep)\n");
+T("\n");
+T("    a	REG_LEFT|REG_RIGHT	implicit ^...$\n");
+T("    b	REG_NOTBOL		lhs does not match ^\n");
+T("    c	REG_COMMENT		ignore space and #...\\n\n");
+T("    d	REG_SHELL_DOT		explicit leading . match\n");
+T("    e	REG_NOTEOL		rhs does not match $\n");
+T("    f	REG_MULTIPLE		multiple \\n separated patterns\n");
+T("    g	FNM_LEADING_DIR		testfnmatch only -- match until /\n");
+T("    h	REG_MULTIREF		multiple digit backref\n");
+T("    i	REG_ICASE		ignore case\n");
+T("    j	REG_SPAN		. matches \\n\n");
+T("    k	REG_ESCAPE		\\ to ecape [...] delimiter\n");
+T("    l	REG_LEFT		implicit ^...\n");
+T("    m	REG_MINIMAL		minimal match\n");
+T("    n	REG_NEWLINE		explicit \\n match\n");
+T("    o	REG_ENCLOSED		(|&) magic inside [@|&](...)\n");
+T("    p	REG_SHELL_PATH		explicit / match\n");
+T("    q	REG_DELIMITED		delimited pattern\n");
+T("    r	REG_RIGHT		implicit ...$\n");
+T("    s	REG_SHELL_ESCAPED	\\ not special\n");
+T("    t	REG_MUSTDELIM		all delimiters must be specified\n");
+T("    u	standard unspecified behavior -- errors not counted\n");
+T("    v	REG_CLASS_ESCAPE	\\ special inside [...]\n");
+T("    w	REG_NOSUB		no subexpression match array\n");
+T("    x	REG_LENIENT		let some errors slide\n");
+T("    y	REG_LEFT		regexec() implicit ^...\n");
+T("    z	REG_NULL		NULL subexpressions ok\n");
+T("    $	                        expand C \\c escapes in fields 2 and 3\n");
+T("    /	                        field 2 is a regsubcomp() expression\n");
+T("    =	                        field 3 is a regdecomp() expression\n");
+T("\n");
+T("  Field 1 control lines:\n");
+T("\n");
+T("    C		set LC_COLLATE and LC_CTYPE to locale in field 2\n");
+T("\n");
+T("    ?test ...	output field 5 if passed and != EXPECTED, silent otherwise\n");
+T("    &test ...	output field 5 if current and previous passed\n");
+T("    |test ...	output field 5 if current passed and previous failed\n");
+T("    ; ...	output field 2 if previous failed\n");
+T("    {test ...	skip if failed until }\n");
+T("    }		end of skip\n");
+T("\n");
+T("    : comment		comment copied as output NOTE\n");
+T("    :comment:test	:comment: ignored\n");
+T("    N[OTE] comment	comment copied as output NOTE\n");
+T("    T[EST] comment	comment\n");
+T("\n");
+T("    number		use number for nmatch (20 by default)\n");
+T("\n");
+T("  Field 2: the regular expression pattern; SAME uses the pattern from\n");
+T("    the previous specification. RE_DUP_MAX inside {...} expands to the\n");
+T("    value from <limits.h>.\n");
+T("\n");
+T("  Field 3: the string to match. X...{RE_DUP_MAX} expands to RE_DUP_MAX\n");
+T("    copies of X.\n");
+T("\n");
+T("  Field 4: the test outcome. This is either one of the posix error\n");
+T("    codes (with REG_ omitted) or the match array, a list of (m,n)\n");
+T("    entries with m and n being first and last+1 positions in the\n");
+T("    field 3 string, or NULL if REG_NOSUB is in effect and success\n");
+T("    is expected. BADPAT is acceptable in place of any regcomp(3)\n");
+T("    error code. The match[] array is initialized to (-2,-2) before\n");
+T("    each test. All array elements from 0 to nmatch-1 must be specified\n");
+T("    in the outcome. Unspecified endpoints (offset -1) are denoted by ?.\n");
+T("    Unset endpoints (offset -2) are denoted by X. {x}(o:n) denotes a\n");
+T("    matched (?{...}) expression, where x is the text enclosed by {...},\n");
+T("    o is the expression ordinal counting from 1, and n is the length of\n");
+T("    the unmatched portion of the subject string. If x starts with a\n");
+T("    number then that is the return value of re_execf(), otherwise 0 is\n");
+T("    returned. RE_DUP_MAX[-+]N expands to the <limits.h> value -+N.\n");
+T("\n");
+T("  Field 5: optional comment appended to the report.\n");
+T("\n");
+T("CAVEAT\n");
+T("    If a regex implementation misbehaves with memory then all bets are off.\n");
+T("\n");
+T("CONTRIBUTORS\n");
+T("  Glenn Fowler    gsf@research.att.com        (ksh strmatch, regex extensions)\n");
+T("  David Korn      dgk@research.att.com        (ksh glob matcher)\n");
+T("  Doug McIlroy    mcilroy@dartmouth.edu       (ast regex/testre in C++)\n");
+T("  Tom Lord        lord@regexps.com            (rx tests)\n");
+T("  Henry Spencer   henry@zoo.toronto.edu       (original public regex)\n");
+T("  Andrew Hume     andrew@research.att.com     (gre tests)\n");
+T("  John Maddock    John_Maddock@compuserve.com (regex++ tests)\n");
+T("  Philip Hazel    ph10@cam.ac.uk              (pcre tests)\n");
+T("  Ville Laurikari vl@iki.fi                   (libtre tests)\n");
+H("</PRE>\n");
+H("</BODY>\n");
+H("</HTML>\n");
+}
+
+#ifndef elementsof
+#define elementsof(x)	(sizeof(x)/sizeof(x[0]))
+#endif
+
+#ifndef streq
+#define streq(a,b)	(*(a)==*(b)&&!strcmp(a,b))
+#endif
+
+#define HUNG		2
+#define NOTEST		(~0)
+
+#ifndef REG_TEST_DEFAULT
+#define REG_TEST_DEFAULT	0
+#endif
+
+#ifndef REG_EXEC_DEFAULT
+#define REG_EXEC_DEFAULT	0
+#endif
+
+static const char* unsupported[] =
+{
+	"BASIC",
+#ifndef REG_EXTENDED
+	"EXTENDED",
+#endif
+#ifndef REG_AUGMENTED
+	"AUGMENTED",
+#endif
+#ifndef REG_SHELL
+	"SHELL",
+#endif
+
+#ifndef REG_CLASS_ESCAPE
+	"CLASS_ESCAPE",
+#endif
+#ifndef REG_COMMENT
+	"COMMENT",
+#endif
+#ifndef REG_DELIMITED
+	"DELIMITED",
+#endif
+#ifndef REG_DISCIPLINE
+	"DISCIPLINE",
+#endif
+#ifndef REG_ESCAPE
+	"ESCAPE",
+#endif
+#ifndef REG_ICASE
+	"ICASE",
+#endif
+#ifndef REG_LEFT
+	"LEFT",
+#endif
+#ifndef REG_LENIENT
+	"LENIENT",
+#endif
+#ifndef REG_LITERAL
+	"LITERAL",
+#endif
+#ifndef REG_MINIMAL
+	"MINIMAL",
+#endif
+#ifndef REG_MULTIPLE
+	"MULTIPLE",
+#endif
+#ifndef REG_MULTIREF
+	"MULTIREF",
+#endif
+#ifndef REG_MUSTDELIM
+	"MUSTDELIM",
+#endif
+#ifndef REG_NEWLINE
+	"NEWLINE",
+#endif
+#ifndef REG_NOTBOL
+	"NOTBOL",
+#endif
+#ifndef REG_NOTEOL
+	"NOTEOL",
+#endif
+#ifndef REG_NULL
+	"NULL",
+#endif
+#ifndef REG_RIGHT
+	"RIGHT",
+#endif
+#ifndef REG_SHELL_DOT
+	"SHELL_DOT",
+#endif
+#ifndef REG_SHELL_ESCAPED
+	"SHELL_ESCAPED",
+#endif
+#ifndef REG_SHELL_GROUP
+	"SHELL_GROUP",
+#endif
+#ifndef REG_SHELL_PATH
+	"SHELL_PATH",
+#endif
+#ifndef REG_SPAN
+	"SPAN",
+#endif
+#if REG_NOSUB & REG_TEST_DEFAULT
+	"SUBMATCH",
+#endif
+#if !_REG_nexec
+	"regnexec",
+#endif
+#if !_REG_subcomp
+	"regsubcomp",
+#endif
+#if !_REG_decomp
+	"redecomp",
+#endif
+	0
+};
+
+#ifndef REG_CLASS_ESCAPE
+#define REG_CLASS_ESCAPE	NOTEST
+#endif
+#ifndef REG_COMMENT
+#define REG_COMMENT	NOTEST
+#endif
+#ifndef REG_DELIMITED
+#define REG_DELIMITED	NOTEST
+#endif
+#ifndef REG_ESCAPE
+#define REG_ESCAPE	NOTEST
+#endif
+#ifndef REG_ICASE
+#define REG_ICASE	NOTEST
+#endif
+#ifndef REG_LEFT
+#define REG_LEFT	NOTEST
+#endif
+#ifndef REG_LENIENT
+#define REG_LENIENT	0
+#endif
+#ifndef REG_MINIMAL
+#define REG_MINIMAL	NOTEST
+#endif
+#ifndef REG_MULTIPLE
+#define REG_MULTIPLE	NOTEST
+#endif
+#ifndef REG_MULTIREF
+#define REG_MULTIREF	NOTEST
+#endif
+#ifndef REG_MUSTDELIM
+#define REG_MUSTDELIM	NOTEST
+#endif
+#ifndef REG_NEWLINE
+#define REG_NEWLINE	NOTEST
+#endif
+#ifndef REG_NOTBOL
+#define REG_NOTBOL	NOTEST
+#endif
+#ifndef REG_NOTEOL
+#define REG_NOTEOL	NOTEST
+#endif
+#ifndef REG_NULL
+#define REG_NULL	NOTEST
+#endif
+#ifndef REG_RIGHT
+#define REG_RIGHT	NOTEST
+#endif
+#ifndef REG_SHELL_DOT
+#define REG_SHELL_DOT	NOTEST
+#endif
+#ifndef REG_SHELL_ESCAPED
+#define REG_SHELL_ESCAPED	NOTEST
+#endif
+#ifndef REG_SHELL_GROUP
+#define REG_SHELL_GROUP	NOTEST
+#endif
+#ifndef REG_SHELL_PATH
+#define REG_SHELL_PATH	NOTEST
+#endif
+#ifndef REG_SPAN
+#define REG_SPAN	NOTEST
+#endif
+
+#define REG_UNKNOWN	(-1)
+
+#ifndef REG_ENEWLINE
+#define REG_ENEWLINE	(REG_UNKNOWN-1)
+#endif
+#ifndef REG_ENULL
+#ifndef REG_EMPTY
+#define REG_ENULL	(REG_UNKNOWN-2)
+#else
+#define REG_ENULL	REG_EMPTY
+#endif
+#endif
+#ifndef REG_ECOUNT
+#define REG_ECOUNT	(REG_UNKNOWN-3)
+#endif
+#ifndef REG_BADESC
+#define REG_BADESC	(REG_UNKNOWN-4)
+#endif
+#ifndef REG_EMEM
+#define REG_EMEM	(REG_UNKNOWN-5)
+#endif
+#ifndef REG_EHUNG
+#define REG_EHUNG	(REG_UNKNOWN-6)
+#endif
+#ifndef REG_EBUS
+#define REG_EBUS	(REG_UNKNOWN-7)
+#endif
+#ifndef REG_EFAULT
+#define REG_EFAULT	(REG_UNKNOWN-8)
+#endif
+#ifndef REG_EFLAGS
+#define REG_EFLAGS	(REG_UNKNOWN-9)
+#endif
+#ifndef REG_EDELIM
+#define REG_EDELIM	(REG_UNKNOWN-9)
+#endif
+
+static const struct { int code; char* name; } codes[] =
+{
+	REG_UNKNOWN,	"UNKNOWN",
+	REG_NOMATCH,	"NOMATCH",
+	REG_BADPAT,	"BADPAT",
+	REG_ECOLLATE,	"ECOLLATE",
+	REG_ECTYPE,	"ECTYPE",
+	REG_EESCAPE,	"EESCAPE",
+	REG_ESUBREG,	"ESUBREG",
+	REG_EBRACK,	"EBRACK",
+	REG_EPAREN,	"EPAREN",
+	REG_EBRACE,	"EBRACE",
+	REG_BADBR,	"BADBR",
+	REG_ERANGE,	"ERANGE",
+	REG_ESPACE,	"ESPACE",
+	REG_BADRPT,	"BADRPT",
+	REG_ENEWLINE,	"ENEWLINE",
+	REG_ENULL,	"ENULL",
+	REG_ECOUNT,	"ECOUNT",
+	REG_BADESC,	"BADESC",
+	REG_EMEM,	"EMEM",
+	REG_EHUNG,	"EHUNG",
+	REG_EBUS,	"EBUS",
+	REG_EFAULT,	"EFAULT",
+	REG_EFLAGS,	"EFLAGS",
+	REG_EDELIM,	"EDELIM",
+};
+
+static struct
+{
+	regmatch_t	NOMATCH;
+	int		errors;
+	int		extracted;
+	int		ignored;
+	int		lineno;
+	int		passed;
+	int		signals;
+	int		unspecified;
+	int		verify;
+	int		warnings;
+	char*		file;
+	char*		stack;
+	char*		which;
+	jmp_buf		gotcha;
+#ifdef REG_DISCIPLINE
+	Disc_t		disc;
+#endif
+} state;
+
+static void
+quote(char* s, int len, unsigned long test)
+{
+	unsigned char*	u = (unsigned char*)s;
+	unsigned char*	e;
+	int		c;
+#ifdef MB_CUR_MAX
+	int		w;
+#endif
+
+	if (!u)
+		printf("NIL");
+	else if (!*u && len <= 1)
+		printf("NULL");
+	else if (test & TEST_EXPAND)
+	{
+		if (len < 0)
+			len = strlen((char*)u);
+		e = u + len;
+		if (test & TEST_DELIMIT)
+			printf("\"");
+		while (u < e)
+			switch (c = *u++)
+			{
+			case '\\':
+				printf("\\\\");
+				break;
+			case '"':
+				if (test & TEST_DELIMIT)
+					printf("\\\"");
+				else
+					printf("\"");
+				break;
+			case '\a':
+				printf("\\a");
+				break;
+			case '\b':
+				printf("\\b");
+				break;
+			case 033:
+				printf("\\e");
+				break;
+			case '\f':
+				printf("\\f");
+				break;
+			case '\n':
+				printf("\\n");
+				break;
+			case '\r':
+				printf("\\r");
+				break;
+			case '\t':
+				printf("\\t");
+				break;
+			case '\v':
+				printf("\\v");
+				break;
+			default:
+#ifdef MB_CUR_MAX
+				s = (char*)u - 1;
+				if ((w = mblen(s, (char*)e - s)) > 1)
+				{
+					u += w - 1;
+					fwrite(s, 1, w, stdout);
+				}
+				else
+#endif
+				if (!iscntrl(c) && isprint(c))
+					putchar(c);
+				else
+					printf("\\x%02x", c);
+				break;
+			}
+		if (test & TEST_DELIMIT)
+			printf("\"");
+	}
+	else
+		printf("%s", s);
+}
+
+static void
+report(char* comment, char* fun, char* re, char* s, int len, char* msg, int flags, unsigned long test)
+{
+	if (state.file)
+		printf("%s:", state.file);
+	printf("%d:", state.lineno);
+	if (re)
+	{
+		printf(" ");
+		quote(re, -1, test|TEST_DELIMIT);
+		if (s)
+		{
+			printf(" versus ");
+			quote(s, len, test|TEST_DELIMIT);
+		}
+	}
+	if (test & TEST_UNSPECIFIED)
+	{
+		state.unspecified++;
+		printf(" unspecified behavior");
+	}
+	else
+		state.errors++;
+	if (state.which)
+		printf(" %s", state.which);
+	if (flags & REG_NOSUB)
+		printf(" NOSUB");
+	if (fun)
+		printf(" %s", fun);
+	if (comment[strlen(comment)-1] == '\n')
+		printf(" %s", comment);
+	else
+	{
+		printf(" %s: ", comment);
+		if (msg)
+			printf("%s: ", msg);
+	}
+}
+
+static void
+error(regex_t* preg, int code)
+{
+	char*	msg;
+	char	buf[256];
+
+	switch (code)
+	{
+	case REG_EBUS:
+		msg = "bus error";
+		break;
+	case REG_EFAULT:
+		msg = "memory fault";
+		break;
+	case REG_EHUNG:
+		msg = "did not terminate";
+		break;
+	default:
+		regerror(code, preg, msg = buf, sizeof buf);
+		break;
+	}
+	printf("%s\n", msg);
+}
+
+static void
+bad(char* comment, char* re, char* s, int len, unsigned long test)
+{
+	printf("bad test case ");
+	report(comment, NiL, re, s, len, NiL, 0, test);
+	exit(1);
+}
+
+static int
+escape(char* s)
+{
+	char*	b;
+	char*	t;
+	char*	q;
+	char*	e;
+	int	c;
+
+	for (b = t = s; *t = *s; s++, t++)
+		if (*s == '\\')
+			switch (*++s)
+			{
+			case '\\':
+				break;
+			case 'a':
+				*t = '\a';
+				break;
+			case 'b':
+				*t = '\b';
+				break;
+			case 'c':
+				if (*t = *++s)
+					*t &= 037;
+				else
+					s--;
+				break;
+			case 'e':
+			case 'E':
+				*t = 033;
+				break;
+			case 'f':
+				*t = '\f';
+				break;
+			case 'n':
+				*t = '\n';
+				break;
+			case 'r':
+				*t = '\r';
+				break;
+			case 's':
+				*t = ' ';
+				break;
+			case 't':
+				*t = '\t';
+				break;
+			case 'v':
+				*t = '\v';
+				break;
+			case 'u':
+			case 'x':
+				c = 0;
+				q = c == 'u' ? (s + 5) : (char*)0;
+				e = s + 1;
+				while (!e || !q || s < q)
+				{
+					switch (*++s)
+					{
+					case 'a': case 'b': case 'c': case 'd': case 'e': case 'f':
+						c = (c << 4) + *s - 'a' + 10;
+						continue;
+					case 'A': case 'B': case 'C': case 'D': case 'E': case 'F':
+						c = (c << 4) + *s - 'A' + 10;
+						continue;
+					case '0': case '1': case '2': case '3': case '4':
+					case '5': case '6': case '7': case '8': case '9':
+						c = (c << 4) + *s - '0';
+						continue;
+					case '{':
+					case '[':
+						if (s != e)
+						{
+							s--;
+							break;
+						}
+						e = 0;
+						continue;
+					case '}':
+					case ']':
+						if (e)
+							s--;
+						break;
+					default:
+						s--;
+						break;
+					}
+					break;
+				}
+				*t = c;
+				break;
+			case '0': case '1': case '2': case '3':
+			case '4': case '5': case '6': case '7':
+				c = *s - '0';
+				q = s + 2;
+				while (s < q)
+				{
+					switch (*++s)
+					{
+					case '0': case '1': case '2': case '3':
+					case '4': case '5': case '6': case '7':
+						c = (c << 3) + *s - '0';
+						break;
+					default:
+						q = --s;
+						break;
+					}
+				}
+				*t = c;
+				break;
+			default:
+				*(s + 1) = 0;
+				bad("invalid C \\ escape\n", s - 1, NiL, 0, 0);
+			}
+	return t - b;
+}
+
+static void
+matchoffprint(int off)
+{
+	switch (off)
+	{
+	case -2:
+		printf("X");
+		break;
+	case -1:
+		printf("?");
+		break;
+	default:
+		printf("%d", off);
+		break;
+	}
+}
+
+static void
+matchprint(regmatch_t* match, int nmatch, int nsub, char* ans, unsigned long test)
+{
+	int	i;
+
+	for (; nmatch > nsub + 1; nmatch--)
+		if ((match[nmatch-1].rm_so != -1 || match[nmatch-1].rm_eo != -1) && (!(test & TEST_IGNORE_POSITION) || match[nmatch-1].rm_so >= 0 && match[nmatch-1].rm_eo >= 0))
+			break;
+	for (i = 0; i < nmatch; i++)
+	{
+		printf("(");
+		matchoffprint(match[i].rm_so);
+		printf(",");
+		matchoffprint(match[i].rm_eo);
+		printf(")");
+	}
+	if (!(test & (TEST_ACTUAL|TEST_BASELINE)))
+	{
+		if (ans)
+			printf(" expected: %s", ans);
+		printf("\n");
+	}
+}
+
+static int
+matchcheck(regmatch_t* match, int nmatch, int nsub, char* ans, char* re, char* s, int len, int flags, unsigned long test)
+{
+	char*	p;
+	int	i;
+	int	m;
+	int	n;
+
+	if (streq(ans, "OK"))
+		return test & (TEST_BASELINE|TEST_PASS|TEST_VERIFY);
+	for (i = 0, p = ans; i < nmatch && *p; i++)
+	{
+		if (*p == '{')
+		{
+#ifdef REG_DISCIPLINE
+			char*	x;
+
+			if (!(x = sfstruse(state.disc.sp)))
+				bad("out of space [discipline string]\n", NiL, NiL, 0, 0);
+			if (strcmp(p, x))
+			{
+				if (test & (TEST_ACTUAL|TEST_BASELINE|TEST_FAIL|TEST_PASS|TEST_QUERY|TEST_SUMMARY|TEST_VERIFY))
+					return 0;
+				report("callout failed", NiL, re, s, len, NiL, flags, test);
+				quote(p, -1, test);
+				printf(" expected, ");
+				quote(x, -1, test);
+				printf(" returned\n");
+			}
+#endif
+			break;
+		}
+		if (*p++ != '(')
+			bad("improper answer\n", re, s, -1, test);
+		if (*p == '?')
+		{
+			m = -1;
+			p++;
+		}
+		else if (*p == 'R' && !memcmp(p, "RE_DUP_MAX", 10))
+		{
+			m = RE_DUP_MAX;
+			p += 10;
+			if (*p == '+' || *p == '-')
+				m += strtol(p, &p, 10);
+		}
+		else
+			m = strtol(p, &p, 10);
+		if (*p++ != ',')
+			bad("improper answer\n", re, s, -1, test);
+		if (*p == '?')
+		{
+			n = -1;
+			p++;
+		}
+		else if (*p == 'R' && !memcmp(p, "RE_DUP_MAX", 10))
+		{
+			n = RE_DUP_MAX;
+			p += 10;
+			if (*p == '+' || *p == '-')
+				n += strtol(p, &p, 10);
+		}
+		else
+			n = strtol(p, &p, 10);
+		if (*p++ != ')')
+			bad("improper answer\n", re, s, -1, test);
+		if (m!=match[i].rm_so || n!=match[i].rm_eo)
+		{
+			if (!(test & (TEST_ACTUAL|TEST_BASELINE|TEST_FAIL|TEST_PASS|TEST_QUERY|TEST_SUMMARY|TEST_VERIFY)))
+			{
+				report("failed: match was", NiL, re, s, len, NiL, flags, test);
+				matchprint(match, nmatch, nsub, ans, test);
+			}
+			return 0;
+		}
+	}
+	for (; i < nmatch; i++)
+	{
+		if (match[i].rm_so!=-1 || match[i].rm_eo!=-1)
+		{
+			if (!(test & (TEST_ACTUAL|TEST_BASELINE|TEST_FAIL|TEST_PASS|TEST_QUERY|TEST_VERIFY)))
+			{
+				if ((test & TEST_IGNORE_POSITION) && (match[i].rm_so<0 || match[i].rm_eo<0))
+				{
+					state.ignored++;
+					return 0;
+				}
+				if (!(test & TEST_SUMMARY))
+				{
+					report("failed: match was", NiL, re, s, len, NiL, flags, test);
+					matchprint(match, nmatch, nsub, ans, test);
+				}
+			}
+			return 0;
+		}
+	}
+	if (!(test & TEST_IGNORE_OVER) && match[nmatch].rm_so != state.NOMATCH.rm_so)
+	{
+		if (!(test & (TEST_ACTUAL|TEST_BASELINE|TEST_FAIL|TEST_PASS|TEST_QUERY|TEST_SUMMARY|TEST_VERIFY)))
+		{
+			report("failed: overran match array", NiL, re, s, len, NiL, flags, test);
+			matchprint(match, nmatch + 1, nsub, NiL, test);
+		}
+		return 0;
+	}
+	return 1;
+}
+
+static void
+sigunblock(int s)
+{
+#ifdef SIG_SETMASK
+	int		op;
+	sigset_t	mask;
+
+	sigemptyset(&mask);
+	if (s)
+	{
+		sigaddset(&mask, s);
+		op = SIG_UNBLOCK;
+	}
+	else op = SIG_SETMASK;
+	sigprocmask(op, &mask, NiL);
+#else
+#ifdef sigmask
+	sigsetmask(s ? (sigsetmask(0L) & ~sigmask(s)) : 0L);
+#endif
+#endif
+}
+
+static void
+gotcha(int sig)
+{
+	int	ret;
+
+	signal(sig, gotcha);
+	alarm(0);
+	state.signals++;
+	switch (sig)
+	{
+	case SIGALRM:
+		ret = REG_EHUNG;
+		break;
+	case SIGBUS:
+		ret = REG_EBUS;
+		break;
+	default:
+		ret = REG_EFAULT;
+		break;
+	}
+	sigunblock(sig);
+	longjmp(state.gotcha, ret);
+}
+
+static char*
+getline(FILE* fp)
+{
+	static char	buf[32 * 1024];
+
+	register char*	s = buf;
+	register char*	e = &buf[sizeof(buf)];
+	register char*	b;
+
+	for (;;)
+	{
+		if (!(b = fgets(s, e - s, fp)))
+			return 0;
+		state.lineno++;
+		s += strlen(s);
+		if (s == b || *--s != '\n' || s == b || *(s - 1) != '\\')
+		{
+			*s = 0;
+			break;
+		}
+		s--;
+	}
+	return buf;
+}
+
+static unsigned long
+note(unsigned long level, char* msg, unsigned long skip, unsigned long test)
+{
+	if (!(test & (TEST_ACTUAL|TEST_BASELINE|TEST_FAIL|TEST_PASS|TEST_SUMMARY)) && !skip)
+	{
+		printf("NOTE\t");
+		if (msg)
+			printf("%s: ", msg);
+		printf("skipping lines %d", state.lineno);
+	}
+	return skip | level;
+}
+
+#define TABS(n)		&ts[7-((n)&7)]
+
+static char		ts[] = "\t\t\t\t\t\t\t";
+
+static unsigned long
+extract(int* tabs, char* spec, char* re, char* s, char* ans, char* msg, char* accept, regmatch_t* match, int nmatch, int nsub, unsigned long skip, unsigned long level, unsigned long test)
+{
+	if (test & (TEST_ACTUAL|TEST_BASELINE|TEST_FAIL|TEST_OK|TEST_PASS|TEST_SUMMARY))
+	{
+		state.extracted = 1;
+		if (test & TEST_OK)
+		{
+			state.passed++;
+			if ((test & TEST_VERIFY) && !(test & (TEST_ACTUAL|TEST_BASELINE|TEST_FAIL|TEST_PASS|TEST_SUMMARY)))
+			{
+				if (msg && strcmp(msg, "EXPECTED"))
+					printf("NOTE\t%s\n", msg);
+				return skip;
+			}
+			test &= ~(TEST_PASS|TEST_QUERY);
+		}
+		if (test & (TEST_QUERY|TEST_VERIFY))
+		{
+			if (test & TEST_BASELINE)
+				test &= ~(TEST_BASELINE|TEST_PASS);
+			else
+				test |= TEST_PASS;
+			skip |= level;
+		}
+		if (!(test & TEST_OK))
+		{
+			if (test & TEST_UNSPECIFIED)
+				state.unspecified++;
+			else
+				state.errors++;
+		}
+		if (test & (TEST_PASS|TEST_SUMMARY))
+			return skip;
+		test &= ~TEST_DELIMIT;
+		printf("%s%s", spec, TABS(*tabs++));
+		if ((test & (TEST_BASELINE|TEST_SAME)) == (TEST_BASELINE|TEST_SAME))
+			printf("SAME");
+		else
+			quote(re, -1, test);
+		printf("%s", TABS(*tabs++));
+		quote(s, -1, test);
+		printf("%s", TABS(*tabs++));
+		if (!(test & (TEST_ACTUAL|TEST_BASELINE)) || !accept && !match)
+			printf("%s", ans);
+		else if (accept)
+			printf("%s", accept);
+		else
+			matchprint(match, nmatch, nsub, NiL, test);
+		if (msg)
+			printf("%s%s", TABS(*tabs++), msg);
+		putchar('\n');
+	}
+	else if (test & TEST_QUERY)
+		skip = note(level, msg, skip, test);
+	else if (test & TEST_VERIFY)
+		state.extracted = 1;
+	return skip;
+}
+
+static int
+catchfree(regex_t* preg, int flags, int* tabs, char* spec, char* re, char* s, char* ans, char* msg, char* accept, regmatch_t* match, int nmatch, int nsub, unsigned long skip, unsigned long level, unsigned long test)
+{
+	int	eret;
+
+	if (!(test & TEST_CATCH))
+	{
+		regfree(preg);
+		eret = 0;
+	}
+	else if (!(eret = setjmp(state.gotcha)))
+	{
+		alarm(HUNG);
+		regfree(preg);
+		alarm(0);
+	}
+	else if (test & (TEST_ACTUAL|TEST_BASELINE|TEST_FAIL|TEST_PASS|TEST_QUERY|TEST_SUMMARY|TEST_VERIFY))
+		extract(tabs, spec, re, s, ans, msg, NiL, NiL, 0, 0, skip, level, test);
+	else
+	{
+		report("failed", "regfree", re, NiL, -1, msg, flags, test);
+		error(preg, eret);
+	}
+	return eret;
+}
+
+static char*
+expand(char* os, char* ot)
+{
+	char*	s = os;
+	char*	t;
+	int	n = 0;
+	int	r;
+	long	m;
+
+	for (;;)
+	{
+		switch (*s++)
+		{
+		case 0:
+			break;
+		case '{':
+			n++;
+			continue;
+		case '}':
+			n--;
+			continue;
+		case 'R':
+			if (n == 1 && !memcmp(s, "E_DUP_MAX", 9))
+			{
+				s--;
+				for (t = ot; os < s; *t++ = *os++);
+				r = ((t - ot) >= 5 && t[-1] == '{' && t[-2] == '.' && t[-3] == '.' && t[-4] == '.') ? t[-5] : 0;
+				os = ot;
+				m = RE_DUP_MAX;
+				if (*(s += 10) == '+' || *s == '-')
+					m += strtol(s, &s, 10);
+				if (r)
+				{
+					t -= 5;
+					while (m-- > 0)
+						*t++ = r;
+					while (*s && *s++ != '}');
+				}
+				else
+					t += snprintf(t, 32, "%ld", m);
+				while (*t = *s++)
+					t++;
+				break;
+			}
+			continue;
+		default:
+			continue;
+		}
+		break;
+	}
+	return os;
+}
+
+int
+main(int argc, char** argv)
+{
+	int		flags;
+	int		cflags;
+	int		eflags;
+	int		nmatch;
+	int		nexec;
+	int		nstr;
+	int		cret;
+	int		eret;
+	int		nsub;
+	int		i;
+	int		j;
+	int		expected;
+	int		got;
+	int		locale;
+	int		subunitlen;
+	int		testno;
+	unsigned long	level;
+	unsigned long	skip;
+	char*		p;
+	char*		line;
+	char*		spec;
+	char*		re;
+	char*		s;
+	char*		ans;
+	char*		msg;
+	char*		fun;
+	char*		ppat;
+	char*		subunit;
+	char*		version;
+	char*		field[6];
+	char*		delim[6];
+	FILE*		fp;
+	int		tabs[6];
+	char		unit[64];
+	regmatch_t	match[100];
+	regex_t		preg;
+
+	static char	pat[32 * 1024];
+	static char	patbuf[32 * 1024];
+	static char	strbuf[32 * 1024];
+
+	int		nonosub = REG_NOSUB == 0;
+	int		nonexec = 0;
+
+	unsigned long	test = 0;
+
+	static char*	filter[] = { "-", 0 };
+
+	state.NOMATCH.rm_so = state.NOMATCH.rm_eo = -2;
+	p = unit;
+	version = (char*)id + 10;
+	while (p < &unit[sizeof(unit)-1] && (*p = *version++) && !isspace(*p))
+		p++;
+	*p = 0;
+	while ((p = *++argv) && *p == '-')
+		for (;;)
+		{
+			switch (*++p)
+			{
+			case 0:
+				break;
+			case 'c':
+				test |= TEST_CATCH;
+				continue;
+			case 'e':
+				test |= TEST_IGNORE_ERROR;
+				continue;
+			case 'h':
+			case '?':
+				help(0);
+				return 2;
+			case '-':
+				help(p[1] == 'h');
+				return 2;
+			case 'n':
+				nonexec = 1;
+				continue;
+			case 'o':
+				test |= TEST_IGNORE_OVER;
+				continue;
+			case 'p':
+				test |= TEST_IGNORE_POSITION;
+				continue;
+			case 's':
+#ifdef REG_DISCIPLINE
+				if (!(state.stack = stkalloc(stkstd, 0)))
+					fprintf(stderr, "%s: out of space [stack]", unit);
+				state.disc.disc.re_resizef = resizef;
+				state.disc.disc.re_resizehandle = (void*)stkstd;
+#endif
+				continue;
+			case 'x':
+				nonosub = 1;
+				continue;
+			case 'v':
+				test |= TEST_VERBOSE;
+				continue;
+			case 'A':
+				test |= TEST_ACTUAL;
+				continue;
+			case 'B':
+				test |= TEST_BASELINE;
+				continue;
+			case 'F':
+				test |= TEST_FAIL;
+				continue;
+			case 'P':
+				test |= TEST_PASS;
+				continue;
+			case 'S':
+				test |= TEST_SUMMARY;
+				continue;
+			default:
+				fprintf(stderr, "%s: %c: invalid option\n", unit, *p);
+				return 2;
+			}
+			break;
+		}
+	if (!*argv)
+		argv = filter;
+	locale = 0;
+	while (state.file = *argv++)
+	{
+		if (streq(state.file, "-") || streq(state.file, "/dev/stdin") || streq(state.file, "/dev/fd/0"))
+		{
+			state.file = 0;
+			fp = stdin;
+		}
+		else if (!(fp = fopen(state.file, "r")))
+		{
+			fprintf(stderr, "%s: %s: cannot read\n", unit, state.file);
+			return 2;
+		}
+		testno = state.errors = state.ignored = state.lineno = state.passed =
+		state.signals = state.unspecified = state.warnings = 0;
+		skip = 0;
+		level = 1;
+		if (!(test & (TEST_ACTUAL|TEST_BASELINE|TEST_FAIL|TEST_PASS|TEST_SUMMARY)))
+		{
+			printf("TEST\t%s ", unit);
+			if (s = state.file)
+			{
+				subunit = p = 0;
+				for (;;)
+				{
+					switch (*s++)
+					{
+					case 0:
+						break;
+					case '/':
+						subunit = s;
+						continue;
+					case '.':
+						p = s - 1;
+						continue;
+					default:
+						continue;
+					}
+					break;
+				}
+				if (!subunit)
+					subunit = state.file;
+				if (p < subunit)
+					p = s - 1;
+				subunitlen = p - subunit;
+				printf("%-.*s ", subunitlen, subunit);
+			}
+			else
+				subunit = 0;
+			for (s = version; *s && (*s != ' ' || *(s + 1) != '$'); s++)
+				putchar(*s);
+			if (test & TEST_CATCH)
+				printf(", catch");
+			if (test & TEST_IGNORE_ERROR)
+				printf(", ignore error code mismatches");
+			if (test & TEST_IGNORE_POSITION)
+				printf(", ignore negative position mismatches");
+#ifdef REG_DISCIPLINE
+			if (state.stack)
+				printf(", stack");
+#endif
+			if (test & TEST_VERBOSE)
+				printf(", verbose");
+			printf("\n");
+#ifdef REG_VERSIONID
+			if (regerror(REG_VERSIONID, NiL, pat, sizeof(pat)) > 0)
+				s = pat;
+			else
+#endif
+#ifdef REG_TEST_VERSION
+			s = REG_TEST_VERSION;
+#else
+			s = "regex";
+#endif
+			printf("NOTE\t%s\n", s);
+			if (elementsof(unsupported) > 1)
+			{
+#if (REG_TEST_DEFAULT & (REG_AUGMENTED|REG_EXTENDED|REG_SHELL)) || !defined(REG_EXTENDED)
+				i = 0;
+#else
+				i = REG_EXTENDED != 0;
+#endif
+				for (got = 0; i < elementsof(unsupported) - 1; i++)
+				{
+					if (!got)
+					{
+						got = 1;
+						printf("NOTE\tunsupported: %s", unsupported[i]);
+					}
+					else
+						printf(",%s", unsupported[i]);
+				}
+				if (got)
+					printf("\n");
+			}
+		}
+#ifdef REG_DISCIPLINE
+		state.disc.disc.re_version = REG_VERSION;
+		state.disc.disc.re_compf = compf;
+		state.disc.disc.re_execf = execf;
+		if (!(state.disc.sp = sfstropen()))
+			bad("out of space [discipline string stream]\n", NiL, NiL, 0, 0);
+		preg.re_disc = &state.disc.disc;
+#endif
+		if (test & TEST_CATCH)
+		{
+			signal(SIGALRM, gotcha);
+			signal(SIGBUS, gotcha);
+			signal(SIGSEGV, gotcha);
+		}
+		while (p = getline(fp))
+		{
+
+		/* parse: */
+
+			line = p;
+			if (*p == ':' && !isspace(*(p + 1)))
+			{
+				while (*++p && *p != ':');
+				if (!*p++)
+				{
+					if (test & TEST_BASELINE)
+						printf("%s\n", line);
+					continue;
+				}
+			}
+			while (isspace(*p))
+				p++;
+			if (*p == 0 || *p == '#' || *p == 'T')
+			{
+				if (test & TEST_BASELINE)
+					printf("%s\n", line);
+				continue;
+			}
+			if (*p == ':' || *p == 'N')
+			{
+				if (test & TEST_BASELINE)
+					printf("%s\n", line);
+				else if (!(test & (TEST_ACTUAL|TEST_FAIL|TEST_PASS|TEST_SUMMARY)))
+				{
+					while (*++p && !isspace(*p));
+					while (isspace(*p))
+						p++;
+					printf("NOTE	%s\n", p);
+				}
+				continue;
+			}
+			j = 0;
+			i = 0;
+			field[i++] = p;
+			for (;;)
+			{
+				switch (*p++)
+				{
+				case 0:
+					p--;
+					j = 0;
+					goto checkfield;
+				case '\t':
+					*(delim[i] = p - 1) = 0;
+					j = 1;
+				checkfield:
+					s = field[i - 1];
+					if (streq(s, "NIL"))
+						field[i - 1] = 0;
+					else if (streq(s, "NULL"))
+						*s = 0;
+					while (*p == '\t')
+					{
+						p++;
+						j++;
+					}
+					tabs[i - 1] = j;
+					if (!*p)
+						break;
+					if (i >= elementsof(field))
+						bad("too many fields\n", NiL, NiL, 0, 0);
+					field[i++] = p;
+					/*FALLTHROUGH*/
+				default:
+					continue;
+				}
+				break;
+			}
+			if (!(spec = field[0]))
+				bad("NIL spec\n", NiL, NiL, 0, 0);
+
+		/* interpret: */
+
+			cflags = REG_TEST_DEFAULT;
+			eflags = REG_EXEC_DEFAULT;
+			test &= TEST_GLOBAL;
+			state.extracted = 0;
+			nmatch = 20;
+			nsub = -1;
+			for (p = spec; *p; p++)
+			{
+				if (isdigit(*p))
+				{
+					nmatch = strtol(p, &p, 10);
+					if (nmatch >= elementsof(match))
+						bad("nmatch must be < 100\n", NiL, NiL, 0, 0);
+					p--;
+					continue;
+				}
+				switch (*p)
+				{
+				case 'A':
+					test |= TEST_ARE;
+					continue;
+				case 'B':
+					test |= TEST_BRE;
+					continue;
+				case 'C':
+					if (!(test & TEST_QUERY) && !(skip & level))
+						bad("locale must be nested\n", NiL, NiL, 0, 0);
+					test &= ~TEST_QUERY;
+					if (locale)
+						bad("locale nesting not supported\n", NiL, NiL, 0, 0);
+					if (i != 2)
+						bad("locale field expected\n", NiL, NiL, 0, 0);
+					if (!(skip & level))
+					{
+#if defined(LC_COLLATE) && defined(LC_CTYPE)
+						s = field[1];
+						if (!s || streq(s, "POSIX"))
+							s = "C";
+						if ((ans = setlocale(LC_COLLATE, s)) && streq(ans, "POSIX"))
+							ans = "C";
+						if (!ans || !streq(ans, s) && streq(s, "C"))
+							ans = 0;
+						else if ((ans = setlocale(LC_CTYPE, s)) && streq(ans, "POSIX"))
+							ans = "C";
+						if (!ans || !streq(ans, s) && streq(s, "C"))
+							skip = note(level, s, skip, test);
+						else
+						{
+							if (!(test & (TEST_ACTUAL|TEST_BASELINE|TEST_FAIL|TEST_PASS|TEST_SUMMARY)))
+								printf("NOTE	\"%s\" locale\n", s);
+							locale = level;
+						}
+#else
+						skip = note(level, skip, test, "locales not supported");
+#endif
+					}
+					cflags = NOTEST;
+					continue;
+				case 'E':
+					test |= TEST_ERE;
+					continue;
+				case 'K':
+					test |= TEST_KRE;
+					continue;
+				case 'L':
+					test |= TEST_LRE;
+					continue;
+				case 'S':
+					test |= TEST_SRE;
+					continue;
+
+				case 'a':
+					cflags |= REG_LEFT|REG_RIGHT;
+					continue;
+				case 'b':
+					eflags |= REG_NOTBOL;
+					continue;
+				case 'c':
+					cflags |= REG_COMMENT;
+					continue;
+				case 'd':
+					cflags |= REG_SHELL_DOT;
+					continue;
+				case 'e':
+					eflags |= REG_NOTEOL;
+					continue;
+				case 'f':
+					cflags |= REG_MULTIPLE;
+					continue;
+				case 'g':
+					cflags |= NOTEST;
+					continue;
+				case 'h':
+					cflags |= REG_MULTIREF;
+					continue;
+				case 'i':
+					cflags |= REG_ICASE;
+					continue;
+				case 'j':
+					cflags |= REG_SPAN;
+					continue;
+				case 'k':
+					cflags |= REG_ESCAPE;
+					continue;
+				case 'l':
+					cflags |= REG_LEFT;
+					continue;
+				case 'm':
+					cflags |= REG_MINIMAL;
+					continue;
+				case 'n':
+					cflags |= REG_NEWLINE;
+					continue;
+				case 'o':
+					cflags |= REG_SHELL_GROUP;
+					continue;
+				case 'p':
+					cflags |= REG_SHELL_PATH;
+					continue;
+				case 'q':
+					cflags |= REG_DELIMITED;
+					continue;
+				case 'r':
+					cflags |= REG_RIGHT;
+					continue;
+				case 's':
+					cflags |= REG_SHELL_ESCAPED;
+					continue;
+				case 't':
+					cflags |= REG_MUSTDELIM;
+					continue;
+				case 'u':
+					test |= TEST_UNSPECIFIED;
+					continue;
+				case 'v':
+					cflags |= REG_CLASS_ESCAPE;
+					continue;
+				case 'w':
+					cflags |= REG_NOSUB;
+					continue;
+				case 'x':
+					if (REG_LENIENT)
+						cflags |= REG_LENIENT;
+					else
+						test |= TEST_LENIENT;
+					continue;
+				case 'y':
+					eflags |= REG_LEFT;
+					continue;
+				case 'z':
+					cflags |= REG_NULL;
+					continue;
+
+				case '$':
+					test |= TEST_EXPAND;
+					continue;
+
+				case '/':
+					test |= TEST_SUB;
+					continue;
+
+				case '=':
+					test |= TEST_DECOMP;
+					continue;
+
+				case '?':
+					test |= TEST_VERIFY;
+					test &= ~(TEST_AND|TEST_OR);
+					state.verify = state.passed;
+					continue;
+				case '&':
+					test |= TEST_VERIFY|TEST_AND;
+					test &= ~TEST_OR;
+					continue;
+				case '|':
+					test |= TEST_VERIFY|TEST_OR;
+					test &= ~TEST_AND;
+					continue;
+				case ';':
+					test |= TEST_OR;
+					test &= ~TEST_AND;
+					continue;
+
+				case '{':
+					level <<= 1;
+					if (skip & (level >> 1))
+					{
+						skip |= level;
+						cflags = NOTEST;
+					}
+					else
+					{
+						skip &= ~level;
+						test |= TEST_QUERY;
+					}
+					continue;
+				case '}':
+					if (level == 1)
+						bad("invalid {...} nesting\n", NiL, NiL, 0, 0);
+					if ((skip & level) && !(skip & (level>>1)))
+					{
+						if (!(test & (TEST_BASELINE|TEST_SUMMARY)))
+						{
+							if (test & (TEST_ACTUAL|TEST_FAIL))
+								printf("}\n");
+							else if (!(test & TEST_PASS))
+								printf("-%d\n", state.lineno);
+						}
+					}
+#if defined(LC_COLLATE) && defined(LC_CTYPE)
+					else if (locale & level)
+					{
+						locale = 0;
+						if (!(skip & level))
+						{
+							s = "C";
+							setlocale(LC_COLLATE, s);
+							setlocale(LC_CTYPE, s);
+							if (!(test & (TEST_ACTUAL|TEST_BASELINE|TEST_FAIL|TEST_PASS|TEST_SUMMARY)))
+								printf("NOTE	\"%s\" locale\n", s);
+							else if (test & (TEST_ACTUAL|TEST_BASELINE|TEST_PASS))
+								printf("}\n");
+						}
+						else if (test & (TEST_ACTUAL|TEST_BASELINE|TEST_FAIL))
+							printf("}\n");
+					}
+#endif
+					level >>= 1;
+					cflags = NOTEST;
+					continue;
+
+				default:
+					bad("bad spec\n", spec, NiL, 0, test);
+					break;
+
+				}
+				break;
+			}
+			if ((cflags|eflags) == NOTEST || (skip & level) && (test & TEST_BASELINE))
+			{
+				if (test & TEST_BASELINE)
+				{
+					while (i > 1)
+						*delim[--i] = '\t';
+					printf("%s\n", line);
+				}
+				continue;
+			}
+			if (test & TEST_OR)
+			{
+				if (!(test & TEST_VERIFY))
+				{
+					test &= ~TEST_OR;
+					if (state.passed == state.verify && i > 1)
+						printf("NOTE\t%s\n", field[1]);
+					continue;
+				}
+				else if (state.passed > state.verify)
+					continue;
+			}
+			else if (test & TEST_AND)
+			{
+				if (state.passed == state.verify)
+					continue;
+				state.passed = state.verify;
+			}
+			if (i < ((test & TEST_DECOMP) ? 3 : 4))
+				bad("too few fields\n", NiL, NiL, 0, test);
+			while (i < elementsof(field))
+				field[i++] = 0;
+			if (re = field[1])
+			{
+				if (streq(re, "SAME"))
+				{
+					re = ppat;
+					test |= TEST_SAME;
+				}
+				else
+				{
+					if (test & TEST_EXPAND)
+						escape(re);
+					re = expand(re, patbuf);
+					strcpy(ppat = pat, re);
+				}
+			}
+			else
+				ppat = 0;
+			nstr = -1;
+			if (s = field[2])
+			{
+				s = expand(s, strbuf);
+				if (test & TEST_EXPAND)
+				{
+					nstr = escape(s);
+#if _REG_nexec
+					if (nstr != strlen(s))
+						nexec = nstr;
+#endif
+				}
+			}
+			if (!(ans = field[(test & TEST_DECOMP) ? 2 : 3]))
+				bad("NIL answer\n", NiL, NiL, 0, test);
+			msg = field[4];
+			fflush(stdout);
+			if (test & TEST_SUB)
+#if _REG_subcomp
+				cflags |= REG_DELIMITED;
+#else
+				continue;
+#endif
+#if !_REG_decomp
+			if (test & TEST_DECOMP)
+				continue;
+#endif
+
+		compile:
+
+			if (state.extracted || (skip & level))
+				continue;
+#if !(REG_TEST_DEFAULT & (REG_AUGMENTED|REG_EXTENDED|REG_SHELL))
+#ifdef REG_EXTENDED
+			if (REG_EXTENDED != 0 && (test & TEST_BRE))
+#else
+			if (test & TEST_BRE)
+#endif
+			{
+				test &= ~TEST_BRE;
+				flags = cflags;
+				state.which = "BRE";
+			}
+			else
+#endif
+#ifdef REG_EXTENDED
+			if (test & TEST_ERE)
+			{
+				test &= ~TEST_ERE;
+				flags = cflags | REG_EXTENDED;
+				state.which = "ERE";
+			}
+			else
+#endif
+#ifdef REG_AUGMENTED
+			if (test & TEST_ARE)
+			{
+				test &= ~TEST_ARE;
+				flags = cflags | REG_AUGMENTED;
+				state.which = "ARE";
+			}
+			else
+#endif
+#ifdef REG_LITERAL
+			if (test & TEST_LRE)
+			{
+				test &= ~TEST_LRE;
+				flags = cflags | REG_LITERAL;
+				state.which = "LRE";
+			}
+			else
+#endif
+#ifdef REG_SHELL
+			if (test & TEST_SRE)
+			{
+				test &= ~TEST_SRE;
+				flags = cflags | REG_SHELL;
+				state.which = "SRE";
+			}
+			else
+#ifdef REG_AUGMENTED
+			if (test & TEST_KRE)
+			{
+				test &= ~TEST_KRE;
+				flags = cflags | REG_SHELL | REG_AUGMENTED;
+				state.which = "KRE";
+			}
+			else
+#endif
+#endif
+			{
+				if (test & (TEST_BASELINE|TEST_PASS|TEST_VERIFY))
+					extract(tabs, line, re, s, ans, msg, NiL, NiL, 0, 0, skip, level, test|TEST_OK);
+				continue;
+			}
+			if ((test & (TEST_QUERY|TEST_VERBOSE|TEST_VERIFY)) == TEST_VERBOSE)
+			{
+				printf("test %-3d %s ", state.lineno, state.which);
+				quote(re, -1, test|TEST_DELIMIT);
+				printf(" ");
+				quote(s, nstr, test|TEST_DELIMIT);
+				printf("\n");
+			}
+
+		nosub:
+			fun = "regcomp";
+#if _REG_nexec
+			if (nstr >= 0 && nstr != strlen(s))
+				nexec = nstr;
+
+			else
+#endif
+				nexec = -1;
+			if (state.extracted || (skip & level))
+				continue;
+			if (!(test & TEST_QUERY))
+				testno++;
+#ifdef REG_DISCIPLINE
+			if (state.stack)
+				stkset(stkstd, state.stack, 0);
+			flags |= REG_DISCIPLINE;
+			state.disc.ordinal = 0;
+			sfstrseek(state.disc.sp, 0, SEEK_SET);
+#endif
+			if (!(test & TEST_CATCH))
+				cret = regcomp(&preg, re, flags);
+			else if (!(cret = setjmp(state.gotcha)))
+			{
+				alarm(HUNG);
+				cret = regcomp(&preg, re, flags);
+				alarm(0);
+			}
+#if _REG_subcomp
+			if (!cret && (test & TEST_SUB))
+			{
+				fun = "regsubcomp";
+				p = re + preg.re_npat;
+				if (!(test & TEST_CATCH))
+					cret = regsubcomp(&preg, p, NiL, 0, 0);
+				else if (!(cret = setjmp(state.gotcha)))
+				{
+					alarm(HUNG);
+					cret = regsubcomp(&preg, p, NiL, 0, 0);
+					alarm(0);
+				}
+				if (!cret && *(p += preg.re_npat) && !(preg.re_sub->re_flags & REG_SUB_LAST))
+				{
+					if (catchfree(&preg, flags, tabs, line, re, s, ans, msg, NiL, NiL, 0, 0, skip, level, test))
+						continue;
+					cret = REG_EFLAGS;
+				}
+			}
+#endif
+#if _REG_decomp
+			if (!cret && (test & TEST_DECOMP))
+			{
+				char	buf[128];
+
+				if ((j = nmatch) > sizeof(buf))
+					j = sizeof(buf);
+				fun = "regdecomp";
+				p = re + preg.re_npat;
+				if (!(test & TEST_CATCH))
+					i = regdecomp(&preg, -1, buf, j);
+				else if (!(cret = setjmp(state.gotcha)))
+				{
+					alarm(HUNG);
+					i = regdecomp(&preg, -1, buf, j);
+					alarm(0);
+				}
+				if (!cret)
+				{
+					catchfree(&preg, flags, tabs, line, re, s, ans, msg, NiL, NiL, 0, 0, skip, level, test);
+					if (i > j)
+					{
+						if (i != (strlen(ans) + 1))
+						{
+							report("failed", fun, re, s, nstr, msg, flags, test);
+							printf(" %d byte buffer supplied, %d byte buffer required\n", j, i);
+						}
+					}
+					else if (strcmp(buf, ans))
+					{
+						report("failed", fun, re, s, nstr, msg, flags, test);
+						quote(ans, -1, test|TEST_DELIMIT);
+						printf(" expected, ");
+						quote(buf, -1, test|TEST_DELIMIT);
+						printf(" returned\n");
+					}
+					continue;
+				}
+			}
+#endif
+			if (!cret)
+			{
+				if (!(flags & REG_NOSUB) && nsub < 0 && *ans == '(')
+				{
+					for (p = ans; *p; p++)
+						if (*p == '(')
+							nsub++;
+						else if (*p == '{')
+							nsub--;
+					if (nsub >= 0)
+					{
+						if (test & TEST_IGNORE_OVER)
+						{
+							if (nmatch > nsub)
+								nmatch = nsub + 1;
+						}
+						else if (nsub != preg.re_nsub)
+						{
+							if (nsub > preg.re_nsub)
+							{
+								if (test & (TEST_ACTUAL|TEST_BASELINE|TEST_FAIL|TEST_PASS|TEST_QUERY|TEST_SUMMARY|TEST_VERIFY))
+									skip = extract(tabs, line, re, s, ans, msg, "OK", NiL, 0, 0, skip, level, test|TEST_DELIMIT);
+								else
+								{
+									report("re_nsub incorrect", fun, re, NiL, -1, msg, flags, test);
+									printf("at least %d expected, %d returned\n", nsub, preg.re_nsub);
+									state.errors++;
+								}
+							}
+							else
+								nsub = preg.re_nsub;
+						}
+					}
+				}
+				if (!(test & (TEST_DECOMP|TEST_SUB)) && *ans && *ans != '(' && !streq(ans, "OK") && !streq(ans, "NOMATCH"))
+				{
+					if (test & (TEST_ACTUAL|TEST_BASELINE|TEST_FAIL|TEST_PASS|TEST_QUERY|TEST_SUMMARY|TEST_VERIFY))
+						skip = extract(tabs, line, re, s, ans, msg, "OK", NiL, 0, 0, skip, level, test|TEST_DELIMIT);
+					else if (!(test & TEST_LENIENT))
+					{
+						report("failed", fun, re, NiL, -1, msg, flags, test);
+						printf("%s expected, OK returned\n", ans);
+					}
+					catchfree(&preg, flags, tabs, line, re, s, ans, msg, NiL, NiL, 0, 0, skip, level, test);
+					continue;
+				}
+			}
+			else
+			{
+				if (test & TEST_LENIENT)
+					/* we'll let it go this time */;
+				else if (!*ans || ans[0]=='(' || cret == REG_BADPAT && streq(ans, "NOMATCH"))
+				{
+					got = 0;
+					for (i = 1; i < elementsof(codes); i++)
+						if (cret==codes[i].code)
+							got = i;
+					if (test & (TEST_ACTUAL|TEST_BASELINE|TEST_FAIL|TEST_PASS|TEST_QUERY|TEST_SUMMARY|TEST_VERIFY))
+						skip = extract(tabs, line, re, s, ans, msg, codes[got].name, NiL, 0, 0, skip, level, test|TEST_DELIMIT);
+					else
+					{
+						report("failed", fun, re, NiL, -1, msg, flags, test);
+						printf("%s returned: ", codes[got].name);
+						error(&preg, cret);
+					}
+				}
+				else
+				{
+					expected = got = 0;
+					for (i = 1; i < elementsof(codes); i++)
+					{
+						if (streq(ans, codes[i].name))
+							expected = i;
+						if (cret==codes[i].code)
+							got = i;
+					}
+					if (!expected)
+					{
+						if (test & (TEST_ACTUAL|TEST_BASELINE|TEST_FAIL|TEST_PASS|TEST_QUERY|TEST_SUMMARY|TEST_VERIFY))
+							skip = extract(tabs, line, re, s, ans, msg, codes[got].name, NiL, 0, 0, skip, level, test|TEST_DELIMIT);
+						else
+						{
+							report("failed: invalid error code", NiL, re, NiL, -1, msg, flags, test);
+							printf("%s expected, %s returned\n", ans, codes[got].name);
+						}
+					}
+					else if (cret != codes[expected].code && cret != REG_BADPAT)
+					{
+						if (test & (TEST_ACTUAL|TEST_BASELINE|TEST_FAIL|TEST_PASS|TEST_QUERY|TEST_SUMMARY|TEST_VERIFY))
+							skip = extract(tabs, line, re, s, ans, msg, codes[got].name, NiL, 0, 0, skip, level, test|TEST_DELIMIT);
+						else if (test & TEST_IGNORE_ERROR)
+							state.ignored++;
+						else
+						{
+							report("should fail and did", fun, re, NiL, -1, msg, flags, test);
+							printf("%s expected, %s returned: ", ans, codes[got].name);
+							state.errors--;
+							state.warnings++;
+							error(&preg, cret);
+						}
+					}
+				}
+				goto compile;
+			}
+
+#if _REG_nexec
+		execute:
+			if (nexec >= 0)
+				fun = "regnexec";
+			else
+#endif
+				fun = "regexec";
+			
+			for (i = 0; i < elementsof(match); i++)
+				match[i] = state.NOMATCH;
+
+#if _REG_nexec
+			if (nexec >= 0)
+			{
+				eret = regnexec(&preg, s, nexec, nmatch, match, eflags);
+				s[nexec] = 0;
+			}
+			else
+#endif
+			{
+				if (!(test & TEST_CATCH))
+					eret = regexec(&preg, s, nmatch, match, eflags);
+				else if (!(eret = setjmp(state.gotcha)))
+				{
+					alarm(HUNG);
+					eret = regexec(&preg, s, nmatch, match, eflags);
+					alarm(0);
+				}
+			}
+#if _REG_subcomp
+			if ((test & TEST_SUB) && !eret)
+			{
+				fun = "regsubexec";
+				if (!(test & TEST_CATCH))
+					eret = regsubexec(&preg, s, nmatch, match);
+				else if (!(eret = setjmp(state.gotcha)))
+				{
+					alarm(HUNG);
+					eret = regsubexec(&preg, s, nmatch, match);
+					alarm(0);
+				}
+			}
+#endif
+			if (flags & REG_NOSUB)
+			{
+				if (eret)
+				{
+					if (eret != REG_NOMATCH || !streq(ans, "NOMATCH"))
+					{
+						if (test & (TEST_ACTUAL|TEST_BASELINE|TEST_FAIL|TEST_PASS|TEST_QUERY|TEST_SUMMARY|TEST_VERIFY))
+							skip = extract(tabs, line, re, s, ans, msg, "NOMATCH", NiL, 0, 0, skip, level, test|TEST_DELIMIT);
+						else
+						{
+							report("REG_NOSUB failed", fun, re, s, nstr, msg, flags, test);
+							error(&preg, eret);
+						}
+					}
+				}
+				else if (streq(ans, "NOMATCH"))
+				{
+					if (test & (TEST_ACTUAL|TEST_BASELINE|TEST_FAIL|TEST_PASS|TEST_QUERY|TEST_SUMMARY|TEST_VERIFY))
+						skip = extract(tabs, line, re, s, ans, msg, NiL, match, nmatch, nsub, skip, level, test|TEST_DELIMIT);
+					else
+					{
+						report("should fail and didn't", fun, re, s, nstr, msg, flags, test);
+						error(&preg, eret);
+					}
+				}
+			}
+			else if (eret)
+			{
+				if (eret != REG_NOMATCH || !streq(ans, "NOMATCH"))
+				{
+					if (test & (TEST_ACTUAL|TEST_BASELINE|TEST_FAIL|TEST_PASS|TEST_QUERY|TEST_SUMMARY|TEST_VERIFY))
+						skip = extract(tabs, line, re, s, ans, msg, "NOMATCH", NiL, 0, nsub, skip, level, test|TEST_DELIMIT);
+					else
+					{
+						report("failed", fun, re, s, nstr, msg, flags, test);
+						if (eret != REG_NOMATCH)
+							error(&preg, eret);
+						else if (*ans)
+							printf("expected: %s\n", ans);
+						else
+							printf("\n");
+					}
+				}
+			}
+			else if (streq(ans, "NOMATCH"))
+			{
+				if (test & (TEST_ACTUAL|TEST_BASELINE|TEST_FAIL|TEST_PASS|TEST_QUERY|TEST_SUMMARY|TEST_VERIFY))
+					skip = extract(tabs, line, re, s, ans, msg, NiL, match, nmatch, nsub, skip, level, test|TEST_DELIMIT);
+				else
+				{
+					report("should fail and didn't", fun, re, s, nstr, msg, flags, test);
+					matchprint(match, nmatch, nsub, NiL, test);
+				}
+			}
+#if _REG_subcomp
+			else if (test & TEST_SUB)
+			{
+				p = preg.re_sub->re_buf;
+				if (strcmp(p, ans))
+				{
+					report("failed", fun, re, s, nstr, msg, flags, test);
+					quote(ans, -1, test|TEST_DELIMIT);
+					printf(" expected, ");
+					quote(p, -1, test|TEST_DELIMIT);
+					printf(" returned\n");
+				}
+			}
+#endif
+			else if (!*ans)
+			{
+				if (match[0].rm_so != state.NOMATCH.rm_so)
+				{
+					if (test & (TEST_ACTUAL|TEST_BASELINE|TEST_FAIL|TEST_PASS|TEST_QUERY|TEST_SUMMARY|TEST_VERIFY))
+						skip = extract(tabs, line, re, s, ans, msg, NiL, NiL, 0, 0, skip, level, test);
+					else
+					{
+						report("failed: no match but match array assigned", NiL, re, s, nstr, msg, flags, test);
+						matchprint(match, nmatch, nsub, NiL, test);
+					}
+				}
+			}
+			else if (matchcheck(match, nmatch, nsub, ans, re, s, nstr, flags, test))
+			{
+#if _REG_nexec
+				if (nexec < 0 && !nonexec)
+				{
+					nexec = nstr >= 0 ? nstr : strlen(s);
+					s[nexec] = '\n';
+					testno++;
+					goto execute;
+				}
+#endif
+				if (!(test & (TEST_DECOMP|TEST_SUB|TEST_VERIFY)) && !nonosub)
+				{
+					if (catchfree(&preg, flags, tabs, line, re, s, ans, msg, NiL, NiL, 0, 0, skip, level, test))
+						continue;
+					flags |= REG_NOSUB;
+					goto nosub;
+				}
+				if (test & (TEST_BASELINE|TEST_PASS|TEST_VERIFY))
+					skip = extract(tabs, line, re, s, ans, msg, NiL, match, nmatch, nsub, skip, level, test|TEST_OK);
+			}
+			else if (test & (TEST_ACTUAL|TEST_BASELINE|TEST_FAIL|TEST_PASS|TEST_QUERY|TEST_SUMMARY|TEST_VERIFY))
+				skip = extract(tabs, line, re, s, ans, msg, NiL, match, nmatch, nsub, skip, level, test|TEST_DELIMIT);
+			if (catchfree(&preg, flags, tabs, line, re, s, ans, msg, NiL, NiL, 0, 0, skip, level, test))
+				continue;
+			goto compile;
+		}
+		if (test & TEST_SUMMARY)
+			printf("tests=%-4d errors=%-4d warnings=%-2d ignored=%-2d unspecified=%-2d signals=%d\n", testno, state.errors, state.warnings, state.ignored, state.unspecified, state.signals);
+		else if (!(test & (TEST_ACTUAL|TEST_BASELINE|TEST_FAIL|TEST_PASS)))
+		{
+			printf("TEST\t%s", unit);
+			if (subunit)
+				printf(" %-.*s", subunitlen, subunit);
+			printf(", %d test%s", testno, testno == 1 ? "" : "s");
+			if (state.ignored)
+				printf(", %d ignored mismatche%s", state.ignored, state.ignored == 1 ? "" : "s");
+			if (state.warnings)
+				printf(", %d warning%s", state.warnings, state.warnings == 1 ? "" : "s");
+			if (state.unspecified)
+				printf(", %d unspecified difference%s", state.unspecified, state.unspecified == 1 ? "" : "s");
+			if (state.signals)
+				printf(", %d signal%s", state.signals, state.signals == 1 ? "" : "s");
+			printf(", %d error%s\n", state.errors, state.errors == 1 ? "" : "s");
+		}
+		if (fp != stdin)
+			fclose(fp);
+	}
+	return 0;
+}