New API call for path conversion

[Václav Haisman]

Corinna Vinschen wrote, On 22.2.2008 13:19:
> Hi,
[...]
> Therefore, as a first cut, I'd propose something along the lines of:
> 
>   typedef enum
>     {
>       CCP_WIN_A_TO_POSIX, /* from is char*, to is char*     */
>       CCP_WIN_W_TO_POSIX, /* from is wchar_t*, to is char*  */
>       CCP_POSIX_TO_WIN_A, /* from is char*, to is char*     */
>       CCP_POSIX_TO_WIN_W  /* from is char*, to is wchar_t*  */
>     } cygwin_conv_path_t;
> 
>   ssize_t cygwin_conv_path (cygwin_conv_path_t what, const void *from,
>                             void *to, size_t size);
> 
> "size" is the size of the "to" buffer in bytes (not in characters).
> 
> If size is 0, cygwin_conv_path returns the required buffer size in
> bytes.
> 
> Otherwise, it returns 0 on success, or -1 on error and errno is set to
> one of the below values:
[...]
> 
> Does that sound reasonable?
I suggest that you use four different functions with different signatures 
instead of one with void pointers to buffers. Using just one function like 
that seems too error prone.

> 
> 
> Corinna
> 
> 

--
VH

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