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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
use std::ffi::CString;
use std::os::raw::c_char;
pub use nimbus as cirrus;
pub use nimbus_fml as fml;
#[no_mangle]
pub extern "C" fn cirrus_megazord_get_version() -> *const c_char {
VERSION_PTR.0
}
// This is set by gradle, but wouldn't be set otherwise. If it is unset,
// we'll return null from this function, which will cause the megazord
// version checker to throw. Separated as a constant to make it clear that
// this is a thing determined at compile time.
static VERSION: Option<&str> = option_env!("MEGAZORD_VERSION");
// For now it's tricky for this string to get freed, so just allocate one and save its pointer.
lazy_static::lazy_static! {
static ref VERSION_PTR: StaticCStringPtr = StaticCStringPtr(
VERSION.and_then(|s| CString::new(s).ok())
.map_or(std::ptr::null(), |cs| cs.into_raw()));
}
// Wrapper that lets us keep a raw pointer in a lazy_static
#[repr(transparent)]
#[derive(Copy, Clone)]
struct StaticCStringPtr(*const c_char);
unsafe impl Send for StaticCStringPtr {}
unsafe impl Sync for StaticCStringPtr {}