Method write_all

crates/tinywasm/src/store/memory/paged.rs:191–209

(&mut self, addr: usize, src: &[u8])

    #[inline(always)]
    fn write_all(&mut self, addr: usize, src: &[u8]) -> Option<()> {
        let end = self.checked_end(addr, src.len())?;
        let mut pos = addr;
        let mut src_offset = 0;

        while pos < end {
            let chunk_idx = pos >> self.chunk_shift;
            let chunk_offset = pos & self.chunk_mask;
            let copy_len = min(self.chunk_size - chunk_offset, end - pos);

            let chunk = self.chunk_mut(chunk_idx).ok()?;
            chunk[chunk_offset..chunk_offset + copy_len].copy_from_slice(&src[src_offset..src_offset + copy_len]);

            pos += copy_len;
            src_offset += copy_len;
        }

        Some(())
    }

    #[inline(always)]
    fn fill(&mut self, addr: usize, len: usize, val: u8) -> Option<()> {