rewriting config_*, xmalloc_fget*

[Rich Felker]

On Thu, Jun 16, 2011 at 10:12:13PM +0200, Laurent Bercot wrote:
> > Sure -print0 required almost no change in the code for find, but it
> > requires significant change in any program using the output of find. I
> > maintain that shell quoting would have been a much better choice.
> 
>  And it would have made non-shell programs a lot more difficult to write.
> 
>  Parsing a sequence of null-terminated strings is trivial in C.

There's no point in C programs reading the output of find -print0.
It's trivial to call nftw yourself. It's also trivial with the shell
to transform shell-quoted form to null-delimited form:

eval "printf '%s\0' $quoted"

Transformation in the other direction is virtually impossible using
the shell and standard utilities - the only way would be to pipe
through "od" to transform the data to octal, fixup the \000's, and
then convert back with "printf", which would be incredibly
inefficient.

Rich