view src/libffi-test.c @ 4066:0962acdde3be

builld: allow out of source build * Makefile.in: add TOP_BUILD_DIR var and use TOP_DIR=srcdir, TOP_BUILD_DIR=builddir, modify paths to use TOP_DIR where needed * binary-dist-rules.mk: use TOP_DIR and TOP_BUILD_DIR where needed * makeinst-script.sh: use script path to determine TOPDIR, use TOPDIR where needed * src/default-octave.mk: install octave-version to builddir * src/stable-octave.mk: install octave-version to builddir * src/octave.mk: install octave-version to builddir * tools/set-mxe-env.sh.in: update fir builddir and srcdir use
author John Donoghue
date Wed, 23 Dec 2015 08:11:04 -0500
parents 14b3f5ea78ae
children
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/*
 * This file is part of MXE.
 * See index.html for further information.
 */

#include <stdio.h>
#include <ffi.h>

int main(int argc, char *argv[])
{
    ffi_cif cif;
    ffi_type *args[1];
    void *values[1];
    char *s;
    int rc;

    (void)argc;
    (void)argv;

    args[0] = &ffi_type_pointer;
    values[0] = &s;

    if (ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 1,
                           &ffi_type_uint, args) == FFI_OK)
    {
        s = "Hello World!";
        ffi_call(&cif, FFI_FN(puts), &rc, values);
        s = "Goodbye!";
        ffi_call(&cif, FFI_FN(puts), &rc, values);
    }

    return 0;
}