[Ecls-list] [spam?] Fwd: How used c string args and c string result?

[Goffioul Michael]

> -----Original Message-----
> From: ecls-list-bounces at lists.sourceforge.net 
> [mailto:ecls-list-bounces at lists.sourceforge.net] On Behalf Of 
> birulevo.net
> Sent: Monday 30 April 2007 20:04
> To: ecls-list at lists.sourceforge.net
> Subject: [spam?] [Ecls-list] Fwd: How used c string args and 
> c string result?
> Importance: Low
> 
> Hello, ecls-list.
>        I'am need used foreign c-string. Please talk me!..
> 
> My part c file compiling in *.obj separate ECL:
>        
>        ...
>        char* save_file(char* dir)
>        {
>        ...
> 
> In lisp-file:
> 
> (ffi::Clines
>     "#include \"save_upload_file.h\""
>     )
> 
> (defun save_file() (ffi::c-inline (s) (:char*) :char*
>     "save_file(#0)" :one-liner t))
> 
> Error when compiling:
> 
> ;;; Error: Unable to coerce lisp object from type (STRING,:CHAR*)
> to C/C++ type (T,:OBJECT)    
> 
> When error? using MAKE-ARRAY? Conversion result? How?

Use :cstring instead of :char*.

Michael.