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put back the complex sed/awk since the code can't handle unsorted or repeated 

entries (Rin Okuyama)
This commit is contained in:
christos 2016-03-17 13:54:31 +00:00
parent 310b2e7c40
commit c6f7781d4f
1 changed files with 37 additions and 5 deletions
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42
bin/ksh/siglist.sh
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@ -1,14 +1,46 @@
#!/bin/sh
# $NetBSD: siglist.sh,v 1.10 2016/03/16 23:01:33 christos Exp $
# $NetBSD: siglist.sh,v 1.11 2016/03/17 13:54:31 christos Exp $
#
# Script to generate a sorted, complete list of signals, suitable
# for inclusion in trap.c as array initializer.
#
set -e
: ${AWK:=awk}
: ${SED:=sed}
# The trap here to make up for a bug in bash (1.14.3(1)) that calls the trap
in=tmpi$$.c
out=tmpo$$.c
ecode=1
trapsigs='0 1 2 13 15'
trap 'rm -f $in $out; trap 0; exit $ecode' $trapsigs
${SED} -e '/^[ ]*#/d' -e 's/^[ ]*\([^ ][^ ]*\)[ ][ ]*\(.*[^ ]\)[ ]*$/#ifdef SIG\1\
{ .signal = SIG\1 , .name = "\1", .mess = "\2" },\
#endif/'
CPP="${1-cc -E}"
# The trap here to make up for a bug in bash (1.14.3(1)) that calls the trap
(trap $trapsigs;
echo '#include "sh.h"';
echo ' { QwErTy SIGNALS , "DUMMY" , "hook for number of signals" },';
${SED} -e '/^[ ]*#/d' -e 's/^[ ]*\([^ ][^ ]*\)[ ][ ]*\(.*[^ ]\)[ ]*$/#ifdef SIG\1\
{ QwErTy .signal = SIG\1 , .name = "\1", .mess = "\2" },\
#endif/') > $in
# work around for gcc 5
$CPP $in | grep -v '^#' | tr -d '\n' | sed 's/},/},\
/g' > $out
${SED} -n 's/{ QwErTy/{/p' < $out | ${AWK} '{print NR, $0}' | sort -k 5n -k 1n |
${SED} 's/^[0-9]* //' |
${AWK} 'BEGIN { last=0; nsigs=0; }
{
if ($4 ~ /^[0-9][0-9]*$/ && $5 == ",") {
n = $4;
if (n > 0 && n != last) {
while (++last < n) {
printf "\t{ .signal = %d , .name = NULL, .mess = `Signal %d` } ,\n", last, last;
}
print;
}
}
}' |
tr '`' '"' | grep -v '"DUMMY"'
ecode=0