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| author | Ron Yorston | 2016-04-03 22:43:14 +0100 |
|---|---|---|
| committer | Denys Vlasenko | 2016-04-15 22:16:46 +0200 |
| commit | 84ba50c32f7dbfccddd5c5ca34d48d97c3f72193 (patch) | |
| tree | dd2120def41d29e64d3a469edb26ece02f45724b /shell | |
| parent | 2b91958dff0b7bae83cf2c3f2db55bd248fe0956 (diff) | |
| download | busybox-84ba50c32f7dbfccddd5c5ca34d48d97c3f72193.zip busybox-84ba50c32f7dbfccddd5c5ca34d48d97c3f72193.tar.gz | |
ash: bash-compatible $'...' shouldn't expand in double quotes
Bash doesn't expand its $'...' construct in double quotes:
$ echo "$'a\tb'"
$'a\tb'
Change BusyBox ash to do the same. This also fixes a problem with
here documents where BusyBox ash gave an incorrect result for:
$ cat <<EOF
> '$'
> EOF
'$'
Reported-by: Timo Teras <timo.teras@iki.fi>
Signed-off-by: Ron Yorston <rmy@pobox.com>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
Diffstat (limited to 'shell')
| -rw-r--r-- | shell/ash.c | 2 | ||||
| -rw-r--r-- | shell/ash_test/ash-heredoc/heredoc4.right | 1 | ||||
| -rwxr-xr-x | shell/ash_test/ash-heredoc/heredoc4.tests | 3 | ||||
| -rw-r--r-- | shell/ash_test/ash-quoting/dollar_squote_bash1.right | 1 | ||||
| -rwxr-xr-x | shell/ash_test/ash-quoting/dollar_squote_bash1.tests | 1 |
5 files changed, 7 insertions, 1 deletions
diff --git a/shell/ash.c b/shell/ash.c index 13eeab3..da9c950 100644 --- a/shell/ash.c +++ b/shell/ash.c @@ -11500,7 +11500,7 @@ parsesub: { || (c != '(' && c != '{' && !is_name(c) && !is_special(c)) ) { #if ENABLE_ASH_BASH_COMPAT - if (c == '\'') + if (syntax != DQSYNTAX && c == '\'') bash_dollar_squote = 1; else #endif diff --git a/shell/ash_test/ash-heredoc/heredoc4.right b/shell/ash_test/ash-heredoc/heredoc4.right new file mode 100644 index 0000000..371b092 --- /dev/null +++ b/shell/ash_test/ash-heredoc/heredoc4.right @@ -0,0 +1 @@ +'$' diff --git a/shell/ash_test/ash-heredoc/heredoc4.tests b/shell/ash_test/ash-heredoc/heredoc4.tests new file mode 100755 index 0000000..642ddb3 --- /dev/null +++ b/shell/ash_test/ash-heredoc/heredoc4.tests @@ -0,0 +1,3 @@ +cat <<EOF +'$' +EOF diff --git a/shell/ash_test/ash-quoting/dollar_squote_bash1.right b/shell/ash_test/ash-quoting/dollar_squote_bash1.right index 57536b1..9f4e25e 100644 --- a/shell/ash_test/ash-quoting/dollar_squote_bash1.right +++ b/shell/ash_test/ash-quoting/dollar_squote_bash1.right @@ -1,4 +1,5 @@ a b +$'a\tb' a b c def diff --git a/shell/ash_test/ash-quoting/dollar_squote_bash1.tests b/shell/ash_test/ash-quoting/dollar_squote_bash1.tests index 93a56ca..6fc411b 100755 --- a/shell/ash_test/ash-quoting/dollar_squote_bash1.tests +++ b/shell/ash_test/ash-quoting/dollar_squote_bash1.tests @@ -1,4 +1,5 @@ echo $'a\tb' +echo "$'a\tb'" echo $'a\nb' $'c\nd''ef' echo $'a\'b' $'c\"d' $'e\\f' echo $'a\63b' $'c\063b' $'e\0633f' |