13 use core::alloc::Layout;
40         layout: Layout,  in realloc()  argument
41         old_layout: Layout,  in realloc()  argument
55         if layout.size() == 0 {  in realloc()
60                 crate::alloc::dangling_from_layout(layout),  in realloc()
80         let layout = layout.align_to(min_align).map_err(|_| AllocError)?;  in realloc()  localVariable
81         let layout = layout.pad_to_align();  in realloc()  localVariable
85         let dst = unsafe { libc_aligned_alloc(layout.align(), layout.size()) } as *mut u8;  in realloc()
90             // guarantee that `dst` points to memory of at least `layout.size()` bytes.  in realloc()
91             unsafe { dst.as_ptr().write_bytes(0, layout.size()) };  in realloc()
103                     cmp::min(layout.size(), old_layout.size()),  in realloc()
111         Ok(NonNull::slice_from_raw_parts(dst, layout.size()))  in realloc()