[PATCH 1/2 V2] gas/as.c: print input and output filenames when error

[Jan Beulich]

>>> On 09.08.18 at 12:37, <liezhi.yang@windriver.com> wrote:

> 
> On 08/09/2018 06:25 PM, Jan Beulich wrote:
>>>>> On 09.08.18 at 12:21, <liezhi.yang@windriver.com> wrote:
>>> --- a/gas/as.c
>>> +++ b/gas/as.c
>>> @@ -1259,8 +1259,10 @@ main (int argc, char ** argv)
>>>   	      if (sib.st_ino == sob.st_ino && sib.st_ino != 0)
>>>   		{
>>>   		  /* Don't let as_fatal remove the output file!  */
>>> +		  saved_out_file_name = xstrdup (out_file_name);
>> 
>> Actually - why xstrdup()? And why to a global variable?
> 
> The complete code is:
> 
> [snip]
>            saved_out_file_name = xstrdup (out_file_name);
>            out_file_name = NULL;
>            as_fatal (_("The input '%s' and output '%s' have the same inode"),
>                 argv[i], saved_out_file_name);
> [snip]
> 
> The out_file_name is set to NULL before as_fatal(), so I need a var to save it,
> and it is similar to out_file_name, so I simulated it.

But you can use a local variable, and you can simply assign the
value of out_file_name, instead of doing another allocation.

Jan