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1e448dec21
transcript, dalek-ff-group, ed449, and ciphersuite are all usable with no_std alone. The rest additionally require alloc. Part of #279.
17 lines
431 B
Rust
17 lines
431 B
Rust
use std_shims::io::{self, Write};
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const VARINT_CONTINUATION_MASK: u8 = 0b1000_0000;
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pub(crate) fn write_varint<W: Write>(varint: &u64, w: &mut W) -> io::Result<()> {
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let mut varint = *varint;
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while {
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let mut b = u8::try_from(varint & u64::from(!VARINT_CONTINUATION_MASK)).unwrap();
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varint >>= 7;
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if varint != 0 {
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b |= VARINT_CONTINUATION_MASK;
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}
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w.write_all(&[b])?;
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varint != 0
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} {}
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Ok(())
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}
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