rust/bssl-sys/src/lib.rs

#![no_std]

// unnecessary_transmutes, needed to work around a Rust bug, is not available in
// older Rusts. Stable lacks any way to condition code on Rust version, so the
// workaroud for a Rust bug below needs this additional Rust workaround.
#![allow(unknown_lints)]

#![allow(non_upper_case_globals)]
#![allow(non_camel_case_types)]
#![allow(non_snake_case)]

// Work around https://github.com/rust-lang/rust-bindgen/issues/2807
#![allow(unnecessary_transmutes)]

use core::ffi::c_ulong;

// Wrap the bindgen output in a module and re-export it, so we can override it
// as needed.
mod bindgen {
    #[cfg(not(bindgen_rs_file))]
    include!(concat!(env!("OUT_DIR"), "/bindgen.rs"));
    // Some static build systems (e.g. bazel) do not support the `OUT_DIR`
    // configuration used by Cargo. They can specify a complete path to the
    // generated bindings as an environment variable.
    #[cfg(bindgen_rs_file)]
    include!(env!("BINDGEN_RS_FILE"));
}
pub use bindgen::*;

// bindgen does not handle C constants correctly. See
// https://github.com/rust-lang/rust-bindgen/issues/923. Work around this bug by
// redefining some constants with the correct type. Once the bindgen bug has
// been fixed, remove this.
pub const ASN1_STRFLGS_ESC_2253: c_ulong = bindgen::ASN1_STRFLGS_ESC_2253 as c_ulong;
pub const ASN1_STRFLGS_ESC_CTRL: c_ulong = bindgen::ASN1_STRFLGS_ESC_CTRL as c_ulong;
pub const ASN1_STRFLGS_ESC_MSB: c_ulong = bindgen::ASN1_STRFLGS_ESC_MSB as c_ulong;
pub const ASN1_STRFLGS_ESC_QUOTE: c_ulong = bindgen::ASN1_STRFLGS_ESC_QUOTE as c_ulong;
pub const ASN1_STRFLGS_UTF8_CONVERT: c_ulong = bindgen::ASN1_STRFLGS_UTF8_CONVERT as c_ulong;
pub const ASN1_STRFLGS_IGNORE_TYPE: c_ulong = bindgen::ASN1_STRFLGS_IGNORE_TYPE as c_ulong;
pub const ASN1_STRFLGS_SHOW_TYPE: c_ulong = bindgen::ASN1_STRFLGS_SHOW_TYPE as c_ulong;
pub const ASN1_STRFLGS_DUMP_ALL: c_ulong = bindgen::ASN1_STRFLGS_DUMP_ALL as c_ulong;
pub const ASN1_STRFLGS_DUMP_UNKNOWN: c_ulong = bindgen::ASN1_STRFLGS_DUMP_UNKNOWN as c_ulong;
pub const ASN1_STRFLGS_DUMP_DER: c_ulong = bindgen::ASN1_STRFLGS_DUMP_DER as c_ulong;
pub const ASN1_STRFLGS_RFC2253: c_ulong = bindgen::ASN1_STRFLGS_RFC2253 as c_ulong;
pub const XN_FLAG_COMPAT: c_ulong = bindgen::XN_FLAG_COMPAT as c_ulong;
pub const XN_FLAG_SEP_MASK: c_ulong = bindgen::XN_FLAG_SEP_MASK as c_ulong;
pub const XN_FLAG_SEP_COMMA_PLUS: c_ulong = bindgen::XN_FLAG_SEP_COMMA_PLUS as c_ulong;
pub const XN_FLAG_SEP_CPLUS_SPC: c_ulong = bindgen::XN_FLAG_SEP_CPLUS_SPC as c_ulong;
pub const XN_FLAG_SEP_SPLUS_SPC: c_ulong = bindgen::XN_FLAG_SEP_SPLUS_SPC as c_ulong;
pub const XN_FLAG_SEP_MULTILINE: c_ulong = bindgen::XN_FLAG_SEP_MULTILINE as c_ulong;
pub const XN_FLAG_DN_REV: c_ulong = bindgen::XN_FLAG_DN_REV as c_ulong;
pub const XN_FLAG_FN_MASK: c_ulong = bindgen::XN_FLAG_FN_MASK as c_ulong;
pub const XN_FLAG_FN_SN: c_ulong = bindgen::XN_FLAG_FN_SN as c_ulong;
pub const XN_FLAG_SPC_EQ: c_ulong = bindgen::XN_FLAG_SPC_EQ as c_ulong;
pub const XN_FLAG_DUMP_UNKNOWN_FIELDS: c_ulong = bindgen::XN_FLAG_DUMP_UNKNOWN_FIELDS as c_ulong;
pub const XN_FLAG_RFC2253: c_ulong = bindgen::XN_FLAG_RFC2253 as c_ulong;
pub const XN_FLAG_ONELINE: c_ulong = bindgen::XN_FLAG_ONELINE as c_ulong;

// TODO(crbug.com/boringssl/596): Remove these wrappers.
#[cfg(unsupported_inline_wrappers)]
pub use { ERR_GET_LIB_RUST as ERR_GET_LIB,
          ERR_GET_REASON_RUST as ERR_GET_REASON,
          ERR_GET_FUNC_RUST as ERR_GET_FUNC,
          CBS_init_RUST as CBS_init,
          CBS_len_RUST as CBS_len };

pub fn init() {
    // This function does nothing.
    // TODO(davidben): Remove rust-openssl's dependency on this and remove this.
}