make into a proper regress test

regress/Makefile

@@ -0,0 +1,57 @@
+#	$OpenBSD$
+
+.include <bsd.own.mk>
+.include <bsd.obj.mk>
+
+CDIAGFLAGS=	-Wall
+CDIAGFLAGS+=	-Werror
+CDIAGFLAGS+=	-Wpointer-arith
+CDIAGFLAGS+=	-Wstrict-prototypes
+CDIAGFLAGS+=	-Wmissing-prototypes
+CDIAGFLAGS+=	-Wunused
+CDIAGFLAGS+=	-Wsign-compare
+CDIAGFLAGS+=	-Wshadow
+CDIAGFLAGS+=	-Wformat
+.if (${CC:L} == "gcc" || ${CC:L} == "cc")
+CDIAGFLAGS+=	-Wbounded
+.endif
+DEBUG=-g
+COPTS=-O0
+
+CPPFLAGS+=-I${.CURDIR}/../leakmalloc
+
+.if exists(${.CURDIR}/../leakmalloc/${__objdir})
+LDADD+=-L${.CURDIR}/../leakmalloc/${__objdir} -lleakmalloc
+DPADD+=${.CURDIR}/../leakmalloc/${__objdir}/libleakmalloc.a
+.else
+LDADD+=-L${.CURDIR}/../leakmalloc -lleakmalloc
+DPADD+=${.CURDIR}/../leakmalloc/libleakmalloc.a
+.endif
+
+LDFLAGS+=-L/usr/local/lib
+LDADD+=-lexecinfo
+
+PROG=leaky
+SRCS=leaky.c
+REGRESS_TARGETS=does-leak outfile exit-leak summary 
+
+does-leak: ${PROG}
+	./${PROG} | grep -q "^LEAK "
+
+outfile: ${PROG}
+	rm -f leakmalloc.out
+	env LEAKMALLOC_OPTIONS=D ./${PROG}
+	grep -q "^LEAK " leakmalloc.out
+
+exit-leak: ${PROG}
+	sh -c 'export LEAKMALLOC_OPTIONS=XQ ; ./${PROG} ; test $$? -eq 99'
+
+summary: ${PROG}
+	test `./${PROG} | ${.CURDIR}/../leakresolve.py -p ${PROG} | \
+	      grep "^Total:" | cut -d' ' -f 2` -eq 22
+
+clean:
+	rm ${PROG} *.o *.core leakmalloc.out
+
+.include <bsd.regress.mk>
+

regress/README

@@ -1,4 +0,0 @@
-Here's how you do it:
-
-gcc -Wall -O0 -ggdb3 -I.. -c leaky.c && gcc -ggdb3 -Wall -I.. -c leaky.c && gcc -L ../obj -L /usr/local/lib leaky.o  -lleakmalloc -lexecinfo
-./a.out  | ../leakresolve.py -p a.out

regress/leaky.c

@@ -5,21 +5,21 @@
 
 static void *a, *b, *c, *d, *e, *f;
 
-void
+static void
 f6(void)
 {
 	d = strdup("hello");
 	e = malloc(789);
 }
 
-void
+static void
 f5(void)
 {
 	c = calloc(1, 678);
 	f6();
 }
 
-void
+static void
 f4(void)
 {
 	b = malloc(456);
@@ -27,21 +27,21 @@ f4(void)
 	free(e);
 }
 
-void
+static void
 f3(void)
 {
 	a = malloc(123);
 	f = realloc(NULL, 321);
 }
 
-void
+static void
 f2(void)
 {
 	f4();
 	b = realloc(b, 567);
 }
 
-void
+static void
 f1(void)
 {
 	int i;