43 lines
716 B
Plaintext
43 lines
716 B
Plaintext
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#!/usr/local/bin/perl
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($iam = $0) =~ s%.*/%%;
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$tmp = "$iam.$$";
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open (CODE,">$tmp.c") || die "$iam: cannot create $tmp.c: $!\n";
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$mask = q/printf ("$sizeof{'%s'} = %d;\n"/;
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# write C program
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select(CODE);
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print <<EO_C_PROGRAM;
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#include <sys/param.h>
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#include <sys/types.h>
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#include <sys/socket.h>
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#include <net/if_arp.h>
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#include <net/if.h>
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#include <net/route.h>
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#include <sys/ioctl.h>
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main() {
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EO_C_PROGRAM
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while ( <> ) {
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chop;
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printf "\t%s, \n\t\t\"%s\", sizeof(%s));\n", $mask, $_,$_;
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}
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print "\n}\n";
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close CODE;
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# compile C program
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select(STDOUT);
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system "cc $tmp.c -o $tmp";
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die "couldn't compile $tmp.c" if $?;
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system "./$tmp";
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die "couldn't run $tmp" if $?;
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unlink "$tmp.c", $tmp;
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