Re: [Chicken-hackers] incorrect warning during compilation

[Felix Winkelmann]

> I think I may have found a tiny bug in core. So instead of going on IRC and
> crying to Peter, I though I'd try it myself this time. I have a file like
> this:
> 
> (print ((foreign-lambda* c-string ((blob x)) "x[0] = 65; return(x);")
> "xBC"))
> 
> When I run this, everything works:
> $ ./type-test
> ABC
> 
> However, I see a warning during compilation which I do not expect:
> 
> $ csc type-test.scm
> 
> Warning: at toplevel:
>   (type-test.scm:2) in procedure call to `g01', expected argument #1 of
> type `(or boolean blob)', but was given an argument of type `string'
> 

You specify "blob" as foreign type but pass a string as the
argument. That the generated code works is just a coincedence - blobs
and strings have the same internal representation. You can use
"string->blob" to convert the argument to a blob object.


felix