[PATCH] Implement error_print_progname

[Carmelo Amoroso]

Will Newton wrote:
> Further to the changes to error.c to fix bug #1869 it would be nice if
> uClibc supported error_print_progname. The attached patch aims to do
> that.
> 
> 

Hello,
this is an old story. uClibc doesn't provide support for error_print_progname
even if header error.h declare it.
I would like to have it implemented before using. If we know that it's missing,
while testing for its value and call it ?
This my opinion.

Cheers,
Carmelo

> ------------------------------------------------------------------------
> 
> --- uClibc/libc/misc/error/error.c	2008-03-19 07:10:25.000000000 +0000
> +++ uClibc.mod/libc/misc/error/error.c	2008-03-20 14:43:38.000000000 +0000
> @@ -44,7 +44,7 @@
>  /* If NULL, error will flush stdout, then print on stderr the program
>     name, a colon and a space.  Otherwise, error will call this
>     function without parameters instead.  */
> -/* void (*error_print_progname) (void) = NULL; */
> +void (*error_print_progname) (void) = NULL;
>  
>  extern __typeof(error) __error attribute_hidden;
>  void __error (int status, int errnum, const char *message, ...)
> @@ -53,7 +53,10 @@
>  
>      fflush (stdout);
>  
> -    fprintf (stderr, "%s: ", __uclibc_progname);
> +    if (error_print_progname)
> +	(*error_print_progname) ();
> +    else
> +	fprintf (stderr, "%s: ", __uclibc_progname);
>  
>      va_start (args, message);
>      vfprintf (stderr, message, args);
> @@ -89,7 +92,10 @@
>  
>      fflush (stdout);
>  
> -    fprintf (stderr, "%s:", __uclibc_progname);
> +    if (error_print_progname)
> +	(*error_print_progname) ();
> +    else
> +	fprintf (stderr, "%s:", __uclibc_progname);
>  
>      if (file_name != NULL)
>  	fprintf (stderr, "%s:%d: ", file_name, line_number);
> 
> 
> ------------------------------------------------------------------------
> 
> _______________________________________________
> uClibc mailing list
> uClibc at uclibc.org
> http://busybox.net/cgi-bin/mailman/listinfo/uclibc