On Fri, 2 Oct 2009, Cristian Ionescu-Idbohrn wrote:
> Consider this script:
>
> ---8<---
> #!/bin/sh
>
> set -e
> #set -x
>
> echo "1. \$1='$1', size \${#\$1}=${#$1}" >&2
> echo "2. \$2='$2', size \${#\$2}=${#$2}" >&2
> echo "3. \$3='$3', size \${#\$3}=${#$3}" >&2
>
> echo "4. \$1='$1', size \${#1}=${#1}" >&2
> --->8---
>
> Expecting error 'bad substitution' on 1., 2. and 3. I get:
>
> size=5
>
> instead, no error.
Would the attached patch be an apprpriate bugfix for the above?
Cheers,
--
Cristian
--- ash.c.orig 2009-10-03 19:03:05.000000000 +0200
+++ ash.c 2009-10-03 19:04:57.000000000 +0200
@@ -6393,6 +6393,8 @@
syntax = quoted ? DQSYNTAX : BASESYNTAX;
switch (*name) {
case '$':
+ if (subtype == VSLENGTH)
+ raise_error_syntax("bad substitution");
num = rootpid;
goto numvar;
case '?':
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