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fix macOS build

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asrael 2026-01-31 11:22:47 -06:00
parent 359657e174
commit 0c0aa792c1
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GPG key ID: 2786557804DFAE24
5 changed files with 107 additions and 9 deletions
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24
pxl8d/src/allocator.rs
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@ -2,7 +2,7 @@ use core::alloc::{GlobalAlloc, Layout};
pub struct Allocator;
#[cfg(unix)]
#[cfg(all(unix, not(target_os = "macos")))]
unsafe impl GlobalAlloc for Allocator {
unsafe fn alloc(&self, layout: Layout) -> *mut u8 {
unsafe { libc::memalign(layout.align(), layout.size()) as *mut u8 }
@ -17,6 +17,28 @@ unsafe impl GlobalAlloc for Allocator {
}
}
#[cfg(target_os = "macos")]
unsafe impl GlobalAlloc for Allocator {
unsafe fn alloc(&self, layout: Layout) -> *mut u8 {
let mut ptr: *mut libc::c_void = core::ptr::null_mut();
let align = layout.align().max(8);
let size = layout.size();
let result = unsafe { libc::posix_memalign(&mut ptr, align, size) };
if result != 0 {
return core::ptr::null_mut();
}
ptr as *mut u8
}
unsafe fn dealloc(&self, ptr: *mut u8, _layout: Layout) {
unsafe { libc::free(ptr as *mut libc::c_void) }
}
unsafe fn realloc(&self, ptr: *mut u8, _layout: Layout, new_size: usize) -> *mut u8 {
unsafe { libc::realloc(ptr as *mut libc::c_void, new_size) as *mut u8 }
}
}
#[cfg(windows)]
unsafe impl GlobalAlloc for Allocator {
unsafe fn alloc(&self, layout: Layout) -> *mut u8 {