Method stack_alloc

src/data.rs:69–80

(&'a mut self, data_len: usize, align: usize)

    }

    fn stack_alloc<'a>(&'a mut self, data_len: usize, align: usize) -> Result<&'a mut [u8]> {
        if data_len + align > self.stack_ptr {
            bail!("Out of stack space for file virtualization, use passive segments by decreasing the passive cutoff instead");
        }
        let mut new_stack_ptr = self.stack_ptr - data_len;
        if new_stack_ptr % align != 0 {
            let padding = align - (self.stack_ptr % align);
            new_stack_ptr -= padding;
        }
        self.stack_ptr = new_stack_ptr;
        Ok(&mut self.bytes[new_stack_ptr..new_stack_ptr + data_len])
    }

    pub fn stack_bytes(&mut self, bytes: &[u8]) -> Result<u32> {
        self.stack_alloc(bytes.len(), 1)?.copy_from_slice(bytes);