Quicky GAS question

[Daniel Jacobowitz]

On Tue, Apr 26, 2005 at 12:56:51PM +0100, Dave Korn wrote:
> 
>   Is it legitimate to alter the chars in the input buffer?  I couldn't help
> but notice that input_line_pointer isn't declared const :)  I want to output
> a string by doing something like....
> 
>   char *message_start;
> 
>   SKIP_WHITESPACE ();
>   message_start = input_line_pointer;
>   while ((input_line_pointer < buffer_limit)
>       && !is_end_of_line[(unsigned char) *input_line_pointer])
>     input_line_pointer++;
>   if (input_line_pointer != message_start)
>   {
>     *input_line_pointer++ = 0;
>     as_bad (_("%s"), message_start);
>   }
> 
> ... where I'm writing a zero to the buffer to terminate the string.  I
> notice that s_errwarn uses demand_copy_C_string, so I suppose there may be
> some problem here, but I'm not sure what it is.

You can modify it...

But you want to restore it when you're done with it.

-- 
Daniel Jacobowitz
CodeSourcery, LLC