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Text File  |  1994-10-18  |  716 b   |  43 lines
  1. #!/usr/local/bin/perl
  2.  
  3. ($iam = $0) =~ s%.*/%%;
  4. $tmp = "$iam.$$";
  5. open (CODE,">$tmp.c") || die "$iam: cannot create $tmp.c: $!\n";
  6.  
  7. $mask = q/printf ("$sizeof{'%s'} = %d;\n"/; 
  8.  
  9. # write C program
  10. select(CODE);
  11.  
  12. print <<EO_C_PROGRAM;
  13. #include <sys/param.h>
  14. #include <sys/types.h>
  15. #include <sys/socket.h>
  16. #include <net/if_arp.h>
  17. #include <net/if.h>
  18. #include <net/route.h>
  19. #include <sys/ioctl.h>
  20.  
  21. main() {
  22. EO_C_PROGRAM
  23.  
  24. while ( <> ) {
  25.     chop;
  26.     printf "\t%s, \n\t\t\"%s\", sizeof(%s));\n", $mask, $_,$_;
  27. }
  28.  
  29. print "\n}\n";
  30.  
  31. close CODE;
  32.  
  33. # compile C program
  34.  
  35. select(STDOUT);
  36.  
  37. system "cc $tmp.c -o $tmp";
  38. die "couldn't compile $tmp.c" if $?;
  39. system "./$tmp";        
  40. die "couldn't run $tmp" if $?;
  41.  
  42. unlink "$tmp.c", $tmp;
  43.