Noratrieb/awwoc
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nora 2022-08-20 18:45:24 +02:00
parent 6c94456b17
commit 728a4db2b9
1 changed files with 20 additions and 15 deletions
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35
src/lib.rs
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@ -51,20 +51,7 @@ unsafe impl GlobalAlloc for Awwoc {
unsafe fn dealloc(&self, ptr: *mut u8, _layout: std::alloc::Layout) {
let mut root = lock(&BLOCK);
let mut option_block = root.first_block;
while let Some(block) = option_block {
let block_ptr = block.as_ptr();
if (*block_ptr).start == ptr {
let free = mem::replace(&mut root.next_free_block, Some(block));
(*block_ptr).next_free_block = free;
return;
}
option_block = (*block_ptr).next;
}
abort("invalid pointer passed to dealloc\n");
root.dealloc(ptr);
}
}
@ -137,7 +124,6 @@ impl RootNode {
}
}
}
None
}
@ -204,6 +190,25 @@ impl RootNode {
Some(new_data_ptr)
}
unsafe fn dealloc(&mut self, ptr: *mut u8) {
let mut root = lock(&BLOCK);
let mut option_block = root.first_block;
while let Some(block) = option_block {
let block_ptr = block.as_ptr();
if (*block_ptr).start == ptr {
let free = mem::replace(&mut root.next_free_block, Some(block));
(*block_ptr).next_free_block = free;
return;
}
option_block = (*block_ptr).next;
}
abort("invalid pointer passed to dealloc\n");
}
}
// SAFETY: I guess