1#!/bin/sh
2#
3# $FreeBSD$
4#
5# When editing this script, keep in mind that truss also uses it.
6#
7
8set -e
9
10if [ $# -ne 2 -o \( $1 != "print" -a $1 != "return" \) ]; then
11	echo "usage: sh $0 print|return include-dir"
12	exit 1
13fi
14
15style="$1"
16includedir="$2"
17
18LC_ALL=C; export LC_ALL
19
20# Build a list of headers that have ioctls in them.
21# XXX should we use an ANSI cpp?
22ioctl_includes=$(
23	cd $includedir
24	find -H -s * -name '*.h' | grep -v '.*disk.*\.h' | \
25		xargs egrep -l \
26'^#[ 	]*define[ 	]+[A-Za-z_][A-Za-z0-9_]*[ 	]+_IO[^a-z0-9_]' |
27		awk '{printf("#include <%s>\\n", $1)}'
28)
29
30: ${MACHINE=$(uname -m)}
31case "${MACHINE}" in
32*pc98*)
33	ioctl_includes="$ioctl_includes#include <sys/diskpc98.h>\\n"
34	;;
35*)
36	ioctl_includes="$ioctl_includes#include <sys/diskmbr.h>\\n"
37	;;
38esac
39
40awk -v x="$ioctl_includes" 'BEGIN {print x}' |
41	$CPP -I$1 -dM -DCOMPAT_43TTY - |
42	awk -v ioctl_includes="$ioctl_includes" -v style="$style" '
43BEGIN {
44	print "/* XXX obnoxious prerequisites. */"
45	print "#define COMPAT_43"
46	print "#define COMPAT_43TTY"
47	print "#include <sys/param.h>"
48	print "#include <sys/devicestat.h>"
49	print "#include <sys/disklabel.h>"
50	print "#include <sys/socket.h>"
51	print "#include <sys/time.h>"
52	print "#include <sys/tty.h>"
53	print "#include <bsm/audit.h>"
54	print "#include <net/ethernet.h>"
55	print "#include <net/if.h>"
56	print "#include <net/if_var.h>"
57	print "#include <net/pfvar.h>"
58	print "#include <net/route.h>"
59	print "#include <netinet/in.h>"
60	print "#include <netinet/ip_mroute.h>"
61	print "#include <netinet6/in6_var.h>"
62	print "#include <netinet6/nd6.h>"
63	print "#include <netinet6/ip6_mroute.h>"
64	print "#include <stdio.h>"
65	print "#include <cam/cam.h>"
66	print "#include <stddef.h>"
67	print "#include <stdint.h>"
68	print ""
69	print ioctl_includes
70	print ""
71	if (style == "print") {
72		print "void ioctlname(unsigned long val, int decimal);"
73		print ""
74		print "void"
75		print "ioctlname(unsigned long val, int decimal)"
76	} else {
77		print "const char *ioctlname(unsigned long val);"
78		print ""
79		print "const char *"
80		print "ioctlname(unsigned long val)"
81	}
82	print "{"
83	print "\tconst char *str = NULL;"
84	print ""
85}
86
87/^#[ 	]*define[ 	]+[A-Za-z_][A-Za-z0-9_]*[ 	]+_IO/ {
88
89	# find where the name starts
90	for (i = 1; i <= NF; i++)
91		if ($i ~ /define/)
92			break;
93	++i;
94	#
95	printf("\t");
96	if (n++ > 0)
97		printf("else ");
98	printf("if (val == %s)\n", $i);
99	printf("\t\tstr = \"%s\";\n", $i);
100}
101END {
102	print ""
103	if (style == "print") {
104		print "\tif (str != NULL)"
105		print "\t\tprintf(\"%s\", str);"
106		print "\telse if (decimal)"
107		print "\t\tprintf(\"%lu\", val);"
108		print "\telse"
109		print "\t\tprintf(\"%#lx\", val);"
110	} else {
111		print "\treturn (str);"
112	}
113	print "}"
114}
115'
116