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use a simple constant

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This commit is contained in:
Dustin J. Mitchell 2022-01-28 03:51:58 +00:00
parent b3cbec1af3
commit 82459e699c
2 changed files with 9 additions and 6 deletions
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7
lib/src/uuid.rs
View file

@ -33,10 +33,9 @@ pub extern "C" fn tc_uuid_nil() -> TCUuid {
Uuid::nil().into()
}
/// Length, in bytes, of a C string containing a TCUuid.
// TODO: why not a const?
#[no_mangle]
pub static TC_UUID_STRING_BYTES: usize = ::uuid::adapter::Hyphenated::LENGTH;
// NOTE: this must be a simple constant so that cbindgen can evaluate it
/// Length, in bytes, of the string representation of a UUID (without NUL terminator)
pub const TC_UUID_STRING_BYTES: usize = 36;
/// Write the string representation of a TCUuid into the given buffer, which must be
/// at least TC_UUID_STRING_BYTES long. No NUL terminator is added.

8
lib/taskchampion.h
View file

@ -1,5 +1,11 @@
#include <stdbool.h>
#include <stdint.h>
#define TC_UUID_STRING_BYTES 36
/**
* Length, in bytes, of the string representation of a UUID (without NUL terminator)
*/
#define TC_UUID_STRING_BYTES 36
/**
* A result combines a boolean success value with
@ -74,8 +80,6 @@ typedef struct TCUuid {
extern "C" {
#endif // __cplusplus
extern const size_t TC_UUID_STRING_BYTES;
/**
* Create a new TCReplica with an in-memory database. The contents of the database will be
* lost when it is freed.