e2366ecc70
now be specified on the command line. Accept a '-s' option which controls whether a switch-statement is to be used instead of a series of if-statements. Replace cpp with gcc -E. Discussed with: bde
91 lines
2.0 KiB
Plaintext
91 lines
2.0 KiB
Plaintext
set -e
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# $FreeBSD$
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if [ "x$1" = "x-s" ]; then
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use_switch=1
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shift
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else
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use_switch=0
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fi
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if [ -z "$1" ]; then
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echo "usage: sh $0 [-s] include-dir"
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exit 1
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fi
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# Build a list of headers that have ioctls in them.
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# XXX should we use an ANSI cpp?
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# XXX netipx conflicts with netns (leave out netns).
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ioctl_includes=`
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cd $1
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find * -name '*.h' -follow |
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egrep -v '^(netns)/' |
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xargs egrep -l \
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'^#[ ]*define[ ]+[A-Za-z_][A-Za-z0-0_]*[ ]+_IO[^a-z0-9_]' |
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sed -e 's/^/#include </' -e s'/$/>/'
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`
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echo "$ioctl_includes" |
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gcc -E -I$1 -dM - |
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awk -v ioctl_includes="$ioctl_includes" -v use_switch="$use_switch" '
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BEGIN {
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print "/* XXX obnoxious prerequisites. */"
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print "#define COMPAT_43"
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print "#include <sys/param.h>"
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print "#include <sys/devicestat.h>"
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print "#include <sys/disklabel.h>"
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print "#include <sys/dkbad.h>"
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print "#include <sys/socket.h>"
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print "#include <sys/time.h>"
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print "#include <sys/tty.h>"
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print "#include <net/if.h>"
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print "#include <net/if_var.h>"
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print "#include <net/route.h>"
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print "#include <netatm/atm.h>"
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print "#include <netatm/atm_if.h>"
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print "#include <netatm/atm_sap.h>"
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print "#include <netatm/atm_sys.h>"
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print "#include <netinet/in.h>"
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print "#include <netinet/ip_compat.h>"
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print "#include <netinet/ip_fil.h>"
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print "#include <netinet/ip_auth.h>"
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print "#include <netinet/ip_nat.h>"
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print "#include <netinet/ip_frag.h>"
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print "#include <netinet/ip_state.h>"
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print "#include <netinet/ip_mroute.h>"
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print "#include <cam/cam.h>"
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print "#include <stdio.h>"
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print ""
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print ioctl_includes
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print ""
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print "char *"
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print "ioctlname(register_t val)"
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print "{"
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print ""
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if (use_switch)
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print "\tswitch(val) {"
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}
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/^#[ ]*define[ ]+[A-Za-z_][A-Za-z0-9_]*[ ]+_IO/ {
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# find where the name starts
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for (i = 1; i <= NF; i++)
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if ($i ~ /define/)
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break;
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++i;
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#
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if (use_switch)
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printf("\tcase %s:\n\t\treturn(\"%s\");\n", $i, $i);
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else
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printf("\tif (val == %s)\n\t\treturn(\"%s\");\n", $i, $i);
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}
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END {
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if (use_switch)
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print "\t}"
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print "\n\treturn(NULL);"
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print "}"
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}
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'
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