tree 6d767ed945497fc9653b86a68461620d8d5308ae
parent 14f70561a50fc8eba75b818a4705fed44da2ba2e
author Herbert Xu <herbert@gondor.apana.org.au> 1377257262 +1000
committer Herbert Xu <herbert@gondor.apana.org.au> 1377257262 +1000

[VAR] Initialise OPTIND after importing environment

On Sat, Mar 23, 2013 at 01:46:20AM +0000, Chris F.A. Johnson wrote:
> 
>   According to both the dash man page and the POSIX spec, "When the
>   shell is invoked, OPTIND is initialized to 1."
> 
>   However, it actually takes the value of the environment variable
>   if it exists:
> 
> $ OPTIND=4 dash -c 'echo "$OPTIND"'
> 4
> $ OPTIND=4 bash -c 'echo "$OPTIND"'
> 1
> $ OPTIND=4 ksh -c 'echo "$OPTIND"'
> 1
> $ OPTIND=4 ksh93 -c 'echo "$OPTIND"'
> 1

This patch fixes this by initialising OPTIND after importing the
environment.

Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>