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add some UUID support

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This commit is contained in:
Dustin J. Mitchell 2022-01-23 19:45:39 +00:00
parent e590dc7c98
commit 46e08bc040
8 changed files with 136 additions and 1 deletions
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21
lib/taskchampion.h
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@ -8,8 +8,15 @@
/// for querying and modifying that data.
struct Replica;
/// Uuid is used as a task identifier. Uuids do not contain any pointers and need not be freed.
struct Uuid {
uint8_t _0[16];
};
extern "C" {
extern const uintptr_t TC_UUID_STRING_BYTES;
/// Create a new Replica.
///
/// If path is NULL, then an in-memory replica is created. Otherwise, path is the path to the
@ -34,4 +41,18 @@ const char *tc_replica_error(Replica *rep);
/// Free a Replica.
void tc_replica_free(Replica *rep);
/// Create a new, randomly-generated UUID.
Uuid tc_uuid_new_v4();
/// Create a new UUID with the nil value.
Uuid tc_uuid_nil();
/// Write the string representation of a Uuid into the given buffer, which must be
/// at least TC_UUID_STRING_BYTES long. No NUL terminator is added.
void tc_uuid_to_str(Uuid uuid, char *out);
/// Parse the given value as a UUID. The value must be exactly TC_UUID_STRING_BYTES long. Returns
/// false on failure.
bool tc_uuid_from_str(const char *val, Uuid *out);
} // extern "C"