41 lines
1 KiB
Rust
41 lines
1 KiB
Rust
use automerge as am;
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use crate::change_hashes::AMchangeHashes;
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/// \struct AMsyncHave
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/// \installed_headerfile
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/// \brief A summary of the changes that the sender of a synchronization
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/// message already has.
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#[derive(Clone, Eq, PartialEq)]
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pub struct AMsyncHave(*const am::sync::Have);
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impl AMsyncHave {
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pub fn new(have: &am::sync::Have) -> Self {
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Self(have)
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}
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}
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impl AsRef<am::sync::Have> for AMsyncHave {
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fn as_ref(&self) -> &am::sync::Have {
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unsafe { &*self.0 }
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}
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}
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/// \memberof AMsyncHave
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/// \brief Gets the heads of the sender.
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///
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/// \param[in] sync_have A pointer to an `AMsyncHave` struct.
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/// \return An `AMchangeHashes` struct.
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/// \pre \p sync_have `!= NULL`.
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/// \internal
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///
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/// # Safety
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/// sync_have must be a valid pointer to an AMsyncHave
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#[no_mangle]
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pub unsafe extern "C" fn AMsyncHaveLastSync(sync_have: *const AMsyncHave) -> AMchangeHashes {
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if let Some(sync_have) = sync_have.as_ref() {
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AMchangeHashes::new(&sync_have.as_ref().last_sync)
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} else {
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Default::default()
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}
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}
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