usr.bin/ktruss/makeerrnos.sh

   1 #! /bin/sh
   2 #
   3 #       $NetBSD: makeerrnos.sh,v 1.4 2005/07/17 09:45:50 he Exp $
   4
   5 if [ $# -ne 3 ]; then
   6         echo "usage: makeerrnos.sh errno.h signal.h output"
   7         exit 1;
   8 fi
   9
  10 ERRNOH=$1
  11 SIGNALH=$2
  12 CFILE=$3.c
  13 HFILE=$3.h
  14
  15 : ${AWK:=awk}
  16 : ${CPP:=cpp}
  17 : ${CPPFLAGS:=}
  18
  19 cat <<__EOF__ > $CFILE
  20 #include "misc.h"
  21
  22 struct systab errnos[] = {
  23 __EOF__
  24 cat ${ERRNOH} | ${CPP} ${CPPFLAGS} -dM |
  25 ${AWK} '
  26 /^#[    ]*define[       ]*E[A-Z0-9]*[   ]*[0-9-][0-9]*[         ]*.*/ {
  27         for (i = 1; i <= NF; i++)
  28                 if ($i ~ /define/)
  29                         break;
  30         i++;
  31         j = i + 1;
  32         #
  33         printf("\t{ \"%s\", %s },\n", $i, $j);
  34 }
  35 END {
  36         print " { \"0\", 0 },\n";
  37 }
  38 ' | sort -n +2 >> $CFILE
  39 echo "  { 0L, 0},
  40 };" >> $CFILE
  41 lines=`wc -l $CFILE | ${AWK} ' { print $1; } ' -`
  42 lines=`expr $lines - 4`
  43
  44 cat <<__EOF__ >> $CFILE
  45
  46 struct systab signals[] = {
  47 __EOF__
  48 cat ${SIGNALH} | ${CPP} ${CPPFLAGS} -dM |
  49 ${AWK} '
  50 /^#[    ]*define[       ]*S[A-Z0-9]*[   ]*[0-9-][0-9]*[         ]*.*/ {
  51         for (i = 1; i <= NF; i++)
  52                 if ($i ~ /define/)
  53                         break;
  54         i++;
  55         j = i + 1;
  56         #
  57         printf("\t{ \"%s\", %s },\n", $i, $j);
  58 }
  59 END {
  60         print " { \"0\", 0 },\n";
  61 }
  62 ' | sort -n +2 >> $CFILE
  63 echo "  { 0L, 0},
  64 };" >> $CFILE
  65 elines=`grep '{ "SIG' $CFILE | wc -l`
  66 elines=`expr $elines + 1`
  67
  68 cat <<__EOF__ >$HFILE
  69 struct  systab  {
  70         const char      *name;
  71         int             value;
  72 };
  73
  74 extern struct systab errnos[$lines + 1];
  75 extern struct systab signals[$elines + 1];
  76
  77 #define MAXERRNOS       $lines
  78 #define MAXSIGNALS      $elines
  79 __EOF__