Add 2013/rules.txt, iocccsize.c, and iocccsize.mk

These files are extracted from 2013/2013.tar.bz2.

2013/iocccsize.mk

@@ -0,0 +1,71 @@
+.POSIX :
+
+#######################################################################
+
+CFLAGS		:= -pedantic -Wall -std=c99 -g
+LDFLAGS		:=
+LIBS		:=
+IT		:= iocccsize
+
+#######################################################################
+
+all: ${IT}$E
+
+${IT}$E: ${IT}.c
+	${CC} ${CFLAGS} -o ${IT}$E ${IT}.c
+
+#
+# Exercise the IOCCC size tool.
+#
+test: test-k test-wc test-rcount
+
+#
+# -k should pass through the source with block comments intact.
+#
+test-k: ${IT}$E
+	@{ t="-k keep comments" ;\
+	if ./${IT} -k <${IT}.c 2>/dev/null | diff - ${IT}.c ; then echo "-OK- $$t" ; else echo "FAIL $$t" ; fi ;\
+	}
+
+#
+# First 3 counters should match wc(1)
+#
+test-wc: ${IT}$E
+	@{ t="wc counts" ;\
+	a=$$(./${IT} -s -k <${IT}.c 2>&1 | cut -d' ' -f1-3) ;\
+	b=$$(wc ${IT}.c | sed -e's/^ *//; s/  */ /g' | cut -d' ' -f1-3) ;\
+	if [ "$$a" = "$$b" ]; then echo "-OK- $$t"; else echo "FAIL $$t: expected '$$b', got '$$a'"; fi ;\
+	}
+
+#
+# Show counters for different option combinations.
+#
+test-show: ${IT}$E
+	./${IT} -s <${IT}.c
+	./${IT} -s -r <${IT}.c
+	./${IT} -s -k <${IT}.c
+	./${IT} -s -r -k <${IT}.c
+
+#
+# Reserved word counter should be same for all option combinations.
+#
+test-rcount: ${IT}$E
+	@{ t="rcount" ;\
+	./${IT} -s <${IT}.c 2>&1 | cut -d" " -f 6 >/tmp/$$$$.tmp ;\
+	./${IT} -s -r <${IT}.c 2>&1 | cut -d" " -f 6 >>/tmp/$$$$.tmp ;\
+	./${IT} -s -k <${IT}.c 2>&1 | cut -d" " -f 6 >>/tmp/$$$$.tmp ;\
+	./${IT} -s -r -k <${IT}.c 2>&1 | cut -d" " -f 6 >>/tmp/$$$$.tmp ;\
+	n=$$(sort -u /tmp/$$$$.tmp | wc -l | sed -e's/^ *//') ;\
+	if [ $$n -eq 1 ]; then echo "-OK- $$t"; else echo "FAIL $$t: expected 1 unique line, got $$n"; echo "see make test-show"; fi ;\
+	rm -f /tmp/$$$$.tmp ;\
+	}
+
+clean:
+	rm -f iocccsize.o
+	rm -rf iocccsize.dSYM
+
+clobber: clean
+	rm -f iocccsize
+
+install:
+	@echo "no thank you on the install :-)"