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bug#15249: "ls -R" may exit with invalid status code


From: Pádraig Brady
Subject: bug#15249: "ls -R" may exit with invalid status code
Date: Tue, 03 Sep 2013 20:22:28 +0100
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:17.0) Gecko/20130110 Thunderbird/17.0.2

On 09/02/2013 01:41 PM, FUJIWARA Katsunori wrote:
> With recent "src/ls.c" implementation of coreutils, "ls -R" may exit
> with invalid status code LS_FAILURE, even when it should exit with
> LS_MINOR_PROBLEM, which means some failure for files/directories in
> sub-directories.
> 
> Technical detail:
> 
>   "command_line_arg" argument of "gobble_file()" invocation in
>   "print_dir()" is always "false", because it is invoked for
>   files/directories under target directory: they never be command line
>   argument.
> 
>   In the other hand, "command_line_arg" argument of
>   "extract_dirs_from_files()" invocation in "print_dir()" is equal to
>   "command_line_arg" of "print_dir()", even though directories under
>   target one never be command line argument.
> 
>   This causes that every sub-directories in recursive listing are
>   treated as command line argument, and "serious" argument of
>   "file_failure()" invocation for them becomes "true" unexpectedly.
> 
>   Then, "ls -R" will exit with invalid status code LS_FAILURE, when
>   some failure occur for files/directories in sub-directories.
> 
> The change below should fix this issue.
> 
> diff --git a/src/ls.c b/src/ls.c
> index e341c67..08e86ce 100644
> --- a/src/ls.c
> +++ b/src/ls.c
> @@ -2647,7 +2647,7 @@ print_dir (char const *name, char const *realname, bool 
> command_line_arg)
>       contents listed rather than being mentioned here as files.  */
> 
>    if (recursive)
> -    extract_dirs_from_files (name, command_line_arg);
> +    extract_dirs_from_files (name, false);
> 
>    if (format == long_format || print_block_size)
>      {

This looks correct on initial inspection.
I'll look a bit more closely and apply soon.

thanks,
Pádraig.






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