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scripts/hxtool: fix undefined behavour of echo

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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>
This commit is contained in:
Daniel Shahaf 2016-10-16 17:28:18 +03:00 committed by Michael Tokarev
parent e1f3b974f4
commit 5a1de0b325
1 changed files with 10 additions and 10 deletions
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20
scripts/hxtool
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@ -26,32 +26,32 @@ hxtotexi()
;;
STEXI*)
if test $flag -eq 1 ; then
echo "line $line: syntax error: expected ETEXI, found $str" >&2
printf "line %d: syntax error: expected ETEXI, found '%s'\n" "$line" "$str" >&2
exit 1
fi
flag=1
;;
ETEXI*)
if test $flag -ne 1 ; then
echo "line $line: syntax error: expected STEXI, found $str" >&2
printf "line %d: syntax error: expected STEXI, found '%s'\n" "$line" "$str" >&2
exit 1
fi
flag=0
;;
SQMP*|EQMP*)
if test $flag -eq 1 ; then
echo "line $line: syntax error: expected ETEXI, found $str" >&2
printf "line %d: syntax error: expected ETEXI, found '%s'\n" "$line" "$str" >&2
exit 1
fi
;;
DEFHEADING*)
echo "$(expr "$str" : "DEFHEADING(\(.*\))")"
printf '%s\n' "$(expr "$str" : "DEFHEADING(\(.*\))")"
;;
ARCHHEADING*)
echo "$(expr "$str" : "ARCHHEADING(\(.*\),.*)")"
printf '%s\n' "$(expr "$str" : "ARCHHEADING(\(.*\),.*)")"
;;
*)
test $flag -eq 1 && echo "$str"
test $flag -eq 1 && printf '%s\n' "$str"
;;
esac
line=$((line+1))
@ -69,26 +69,26 @@ hxtoqmp()
;;
SQMP*)
if test $flag -eq 1 ; then
echo "line $line: syntax error: expected EQMP, found $str" >&2
printf "line %d: syntax error: expected EQMP, found '%s'\n" "$line" "$str" >&2
exit 1
fi
flag=1
;;
EQMP*)
if test $flag -ne 1 ; then
echo "line $line: syntax error: expected SQMP, found $str" >&2
printf "line %d: syntax error: expected SQMP, found '%s'\n" "$line" "$str" >&2
exit 1
fi
flag=0
;;
STEXI*|ETEXI*)
if test $flag -eq 1 ; then
echo "line $line: syntax error: expected EQMP, found $str" >&2
printf "line %d: syntax error: expected EQMP, found '%s'\n" "$line" "$str" >&2
exit 1
fi
;;
*)
test $flag -eq 1 && echo "$str"
test $flag -eq 1 && printf '%s\n' "$str"
;;
esac
line=$((line+1))