On Mon, Dec 1, 2008 at 4:55 PM, Evan Laforge <[EMAIL PROTECTED]> wrote: > On Mon, Dec 1, 2008 at 4:39 PM, Andrea Rossato > <[EMAIL PROTECTED]> wrote: >> Hello, >> >> I'm writing the bindings to a C library which uses, in some functions, >> global variables. >> >> To make it clearer, those functions need a global variable to be >> defined. A C program using my_function, one of the library functions, >> would look like: > > I don't think you can use the FFI to declare symbols for C. One > not-so-pretty but effective way to do it is create a stub.c with the > variables declared along with setting functions, then bind those > functions like any other.
You can limit the size of that stub file using: foreign import ccall "&progname" progname :: Ptr (Ptr CChar) which lets you access that global variable and write the getters/setters in Haskell rather than C. -Judah _______________________________________________ Haskell-Cafe mailing list Haskell-Cafe@haskell.org http://www.haskell.org/mailman/listinfo/haskell-cafe
