30 lines
840 B
Plaintext
30 lines
840 B
Plaintext
c :: import "@ffi/c"
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Allocator :: struct {
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context ?*mut anyopaque
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alloc @func(context ?*mut anyopaque, size usize, alignment usize) ?*mut u8
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free @func(context ?*mut anyopaque, memory ?*mut u8, size usize, alignment usize) void
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}
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heap Allocator :: Allocator {
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context = none,
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alloc = heap_alloc,
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free = heap_free,
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}
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heap_alloc func(context ?*mut anyopaque, size usize, alignment usize) ?*mut u8 {
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return ptr_cast(u8, c.malloc(size))
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}
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heap_free func(context ?*mut anyopaque, memory ?*mut u8, size usize, alignment usize) void {
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c.free(memory)
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}
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alloc func(allocator Allocator, size usize, alignment usize) ?*mut u8 {
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return allocator.alloc(allocator.context, size, alignment)
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}
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free func(allocator Allocator, memory ?*mut u8, size usize, alignment usize) void {
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allocator.free(allocator.context, memory, size, alignment)
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}
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