qemu/scripts/hxtool
Daniel Shahaf 5a1de0b325 scripts/hxtool: fix undefined behavour of echo
Avoid undefined behaviour of echo(1) with backslashes in arguments
The behaviour is implementation-defined, different /bin/sh's behave
differently.

Signed-off-by: Daniel Shahaf <danielsh@apache.org>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
2016-10-28 18:17:23 +03:00

106 lines
2.4 KiB
Bash

#!/bin/sh
hxtoh()
{
flag=1
while read -r str; do
case $str in
HXCOMM*)
;;
STEXI*|ETEXI*|SQMP*|EQMP*) flag=$(($flag^1))
;;
*)
test $flag -eq 1 && printf "%s\n" "$str"
;;
esac
done
}
hxtotexi()
{
flag=0
line=1
while read -r str; do
case "$str" in
HXCOMM*)
;;
STEXI*)
if test $flag -eq 1 ; then
printf "line %d: syntax error: expected ETEXI, found '%s'\n" "$line" "$str" >&2
exit 1
fi
flag=1
;;
ETEXI*)
if test $flag -ne 1 ; then
printf "line %d: syntax error: expected STEXI, found '%s'\n" "$line" "$str" >&2
exit 1
fi
flag=0
;;
SQMP*|EQMP*)
if test $flag -eq 1 ; then
printf "line %d: syntax error: expected ETEXI, found '%s'\n" "$line" "$str" >&2
exit 1
fi
;;
DEFHEADING*)
printf '%s\n' "$(expr "$str" : "DEFHEADING(\(.*\))")"
;;
ARCHHEADING*)
printf '%s\n' "$(expr "$str" : "ARCHHEADING(\(.*\),.*)")"
;;
*)
test $flag -eq 1 && printf '%s\n' "$str"
;;
esac
line=$((line+1))
done
}
hxtoqmp()
{
IFS=
flag=0
line=1
while read -r str; do
case "$str" in
HXCOMM*)
;;
SQMP*)
if test $flag -eq 1 ; then
printf "line %d: syntax error: expected EQMP, found '%s'\n" "$line" "$str" >&2
exit 1
fi
flag=1
;;
EQMP*)
if test $flag -ne 1 ; then
printf "line %d: syntax error: expected SQMP, found '%s'\n" "$line" "$str" >&2
exit 1
fi
flag=0
;;
STEXI*|ETEXI*)
if test $flag -eq 1 ; then
printf "line %d: syntax error: expected EQMP, found '%s'\n" "$line" "$str" >&2
exit 1
fi
;;
*)
test $flag -eq 1 && printf '%s\n' "$str"
;;
esac
line=$((line+1))
done
}
case "$1" in
"-h") hxtoh ;;
"-t") hxtotexi ;;
"-q") hxtoqmp ;;
*) exit 1 ;;
esac
exit 0