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try using roc_alloc and roc_dealloc (aka malloc and free) for buffers in false

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This commit is contained in:
Brendan Hansknecht 2023-03-13 14:53:20 -07:00
parent d88894c365
commit dc1a7dcd12
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GPG Key ID: 0EA784685083E75B
1 changed files with 10 additions and 23 deletions
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33
examples/cli/false-interpreter/platform/src/lib.rs
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@ -1,6 +1,5 @@
#![allow(non_snake_case)]
use core::alloc::Layout;
use core::ffi::c_void;
use core::mem::MaybeUninit;
use libc;
@ -109,11 +108,9 @@ pub extern "C" fn rust_main() -> i32 {
let arg = RocStr::from(arg.as_str());
let size = unsafe { roc_main_size() } as usize;
let layout = Layout::array::<u8>(size).unwrap();
unsafe {
// TODO allocate on the stack if it's under a certain size
let buffer = std::alloc::alloc(layout);
let buffer = roc_alloc(size, 1) as *mut u8;
roc_main(buffer, &arg);
@ -123,7 +120,7 @@ pub extern "C" fn rust_main() -> i32 {
let result = call_the_closure(buffer);
std::alloc::dealloc(buffer, layout);
roc_dealloc(buffer as _, 1);
result
};
@ -134,26 +131,16 @@ pub extern "C" fn rust_main() -> i32 {
unsafe fn call_the_closure(closure_data_ptr: *const u8) -> i64 {
let size = size_Fx_result() as usize;
if size == 0 {
call_Fx(
// This flags pointer will never get dereferenced
MaybeUninit::uninit().as_ptr(),
closure_data_ptr as *const u8,
std::ptr::null_mut(),
);
} else {
let layout = Layout::array::<u8>(size).unwrap();
let buffer = std::alloc::alloc(layout) as *mut u8;
let buffer = roc_alloc(size, 1) as *mut u8;
call_Fx(
// This flags pointer will never get dereferenced
MaybeUninit::uninit().as_ptr(),
closure_data_ptr as *const u8,
buffer as *mut u8,
);
call_Fx(
// This flags pointer will never get dereferenced
MaybeUninit::uninit().as_ptr(),
closure_data_ptr as *const u8,
buffer as *mut u8,
);
std::alloc::dealloc(buffer, layout);
}
roc_dealloc(buffer as _, 1);
0
}