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21 lines
514 B
Rust
21 lines
514 B
Rust
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pub fn bytes_sum<T>(p: &T) -> u8 {
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use core::mem::size_of_val;
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let len = size_of_val(p);
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let p = p as *const T as *const u8;
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(0..len).map(|i| unsafe { &*p.offset(i as isize) })
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.fold(0, |a, &b| a.overflowing_add(b).0)
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}
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///
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pub trait Checkable {
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fn check(&self) -> bool;
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}
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/// Scan memory to find the struct
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pub unsafe fn find_in_memory<T: Checkable>
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(begin: usize, len: usize, step: usize) -> Option<usize> {
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(begin .. begin + len).step_by(step)
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.find(|&addr| { (&*(addr as *const T)).check() })
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}
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