Bogus rsync "Success" message when out of disk space

[jw schultz]

Committed with block comment for whole function.

On Sat, Apr 26, 2003 at 03:09:29PM -0500, John Van Essen wrote:
> Upon further (belated) investigation, there are 2 affected places
> in receiver.c with this error message.  Both call write_file().
> And write_file is called only in those two places.  So that is the
> appropriate location to patch.  Especially since the obvious fix is
> to use the rewrite code already there for the sparse file writes.
> 
> -------------------------------------8<-------------------------------------
> --- fileio.c.orig       Fri Jan 25 15:07:34 2002
> +++ fileio.c    Sat Apr 26 12:16:25 2003
> @@ -69,25 +69,28 @@
>         return len;
>  }
>  
>  
>  
>  int write_file(int f,char *buf,size_t len)
>  {
>         int ret = 0;
>  
> -       if (!sparse_files) {
> -               return write(f,buf,len);
> -       }
> -
>         while (len>0) {
> -               int len1 = MIN(len, SPARSE_WRITE_SIZE);
> -               int r1 = write_sparse(f, buf, len1);
> +               int r1;
> +               if (sparse_files) {
> +                       int len1 = MIN(len, SPARSE_WRITE_SIZE);
> +                       r1 = write_sparse(f, buf, len1);
> +               } else {
> +                       /* Normal writes are in this loop, too, so that */
> +                       /*   retries of partial writes will set errno.  */
> +                       r1 = write(f, buf, len);
> +               }
>                 if (r1 <= 0) {
>                         if (ret > 0) return ret;
>                         return r1;
>                 }
>                 len -= r1;
>                 buf += r1;
>                 ret += r1;
>         }
>         return ret;