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fix effect example

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This commit is contained in:
Folkert 2020-12-14 14:12:39 +01:00
parent bcf4b4246f
commit 7785f1b66a
1 changed files with 11 additions and 2 deletions
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13
examples/effect/thing/platform-dir/src/lib.rs
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@ -14,10 +14,18 @@ extern "C" {
fn roc_main_size() -> i64;
#[link_name = "roc__mainForHost_1_Fx_caller"]
fn call_Fx(function_pointer: *const u8, closure_data: *const u8, output: *mut u8) -> ();
fn call_Fx(
flags: &(),
function_pointer: *const u8,
closure_data: *const u8,
output: *mut u8,
) -> ();
#[link_name = "roc__mainForHost_1_Fx_size"]
fn size_Fx() -> i64;
#[link_name = "roc__mainForHost_1_Fx_result_size"]
fn size_Fx_result() -> i64;
}
#[no_mangle]
@ -48,13 +56,14 @@ pub fn roc_fx_getLine() -> RocStr {
}
unsafe fn call_the_closure(function_pointer: *const u8, closure_data_ptr: *const u8) -> i64 {
let size = size_Fx() as usize;
let size = size_Fx_result() as usize;
alloca::with_stack_bytes(size, |buffer| {
let buffer: *mut std::ffi::c_void = buffer;
let buffer: *mut u8 = buffer as *mut u8;
call_Fx(
&(),
function_pointer,
closure_data_ptr as *const u8,
buffer as *mut u8,