build.rs - mozsearch

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/* -*- Mode: rust; rust-indent-offset: 4 -*- */

extern crate bindgen;

use bindgen::callbacks::*;

use bindgen::*;

use std::env;

use std::path::PathBuf;

#[derive(Debug)]

struct PKCS11TypesParseCallbacks;

impl ParseCallbacks for PKCS11TypesParseCallbacks {

    fn int_macro(&self, name: &str, _value: i64) -> Option<IntKind> {

        if name == "CK_TRUE" || name == "CK_FALSE" {

            Some(IntKind::U8)

        } else {

            Some(IntKind::ULong)

fn main() {

    println!("cargo:rerun-if-changed=wrapper.h");

    let bindings = Builder::default()

        .header("wrapper.h")

        .allowlist_function("C_GetFunctionList")

        .allowlist_type("CK_RSA_PKCS_PSS_PARAMS")

        .allowlist_type("CK_OBJECT_CLASS")

        .allowlist_type("CK_KEY_TYPE")

        .allowlist_type("CK_C_INITIALIZE_ARGS_PTR")

        .allowlist_var("CK_TRUE")

        .allowlist_var("CK_FALSE")

        .allowlist_var("CK_UNAVAILABLE_INFORMATION")

        .allowlist_var("CK_EFFECTIVELY_INFINITE")

        .allowlist_var("CK_INVALID_HANDLE")

        .allowlist_var("CKP_PUBLIC_CERTIFICATES_TOKEN")

        .allowlist_var("CKA_.*")

        .allowlist_var("CKC_.*")

        .allowlist_var("CKD_.*")

        .allowlist_var("CKF_.*")

        .allowlist_var("CKK_.*")

        .allowlist_var("CKM_.*")

        .allowlist_var("CKO_.*")

        .allowlist_var("CKR_.*")

        .derive_default(true)

        .parse_callbacks(Box::new(PKCS11TypesParseCallbacks))

        .generate()

        .expect("Unable to generate bindings");

    let out_path = PathBuf::from(env::var("OUT_DIR").expect("OUT_DIR should be set in env"));

    bindings

        .write_to_file(out_path.join("bindings.rs"))

        .expect("Couldn't write bindings!");