1#!/bin/sh 2# $NetBSD: siglist.sh,v 1.13 2021/02/23 01:31:30 christos Exp $ 3# 4# Script to generate a sorted, complete list of signals, suitable 5# for inclusion in trap.c as array initializer. 6# 7 8set -e 9 10: ${AWK:=awk} 11: ${SED:=sed} 12 13in=tmpi$$.c 14out=tmpo$$.c 15ecode=1 16trapsigs='0 1 2 13 15' 17trap 'rm -f $in $out; trap 0; exit $ecode' $trapsigs 18 19CPP="${1-cc -E}" 20 21# The trap here to make up for a bug in bash (1.14.3(1)) that calls the trap 22(trap $trapsigs; 23 echo '#include "sh.h"'; 24 echo ' { QwErTy /* dummy for sed sillies */ },'; 25 ${SED} -e '/^[ ]*#/d' -e 's/^[ ]*\([^ ][^ ]*\)[ ][ ]*\(.*[^ ]\)[ ]*$/#ifdef SIG\1\ 26 { QwErTy .signal = SIG\1 , .name = "\1", .mess = "\2" },\ 27#endif/') > $in 28echo ' { QwErTy .signal = SIGNALS , .name = "DUMMY", .mess = "hook to expand array to total signals" },' >> $in 29# work around for gcc > 5 30$CPP $in | grep -v '^#' | tr -d '\n' | ${SED} 's/},/},\ 31/g' > $out 32${SED} -n 's/{ QwErTy/{/p' < $out | ${AWK} '{print NR, $0}' | sort -k 5n -k 1n | 33 ${SED} -E -e 's/^[0-9]* //' -e 's/ +/ /' | 34 ${AWK} 'BEGIN { last=0; } 35 { 36 if ($4 ~ /^[0-9][0-9]*$/ && $5 == ",") { 37 n = $4; 38 if (n > 0 && n != last) { 39 while (++last < n) { 40 printf "\t{ .signal = %d , .name = NULL, .mess = `Signal %d` } ,\n", last, last; 41 } 42 print; 43 } 44 } 45 }' | 46 tr '`' '"' | grep -v '"DUMMY"' 47ecode=0 48