openpgp-ffi: Add functions to instantiate UserIDs

  - Add pgp_user_id_new to instantiate from a c string.

  - Add pgp_user_id_from_raw to instantiate from a not-NUL-terminated
    buffer.

2 files changed, 35 insertions, 0 deletions

diff --git a/openpgp-ffi/include/sequoia/openpgp.h b/openpgp-ffi/include/sequoia/openpgp.h
index ac8117d3..f504c037 100644
--- a/openpgp-ffi/include/sequoia/openpgp.h
+++ b/openpgp-ffi/include/sequoia/openpgp.h
@@ -962,6 +962,16 @@ int pgp_key_public_key_bits(pgp_key_t key);
 pgp_key_pair_t pgp_key_into_key_pair (pgp_error_t *errp, pgp_key_t key);
 
 /*/
+/// Create a new User ID with the value `value`.
+/*/
+pgp_packet_t pgp_user_id_new (const char *value);
+
+/*/
+/// Create a new User ID with the value `value`.
+/*/
+pgp_packet_t pgp_user_id_from_raw (const char *value, size_t len);
+
+/*/
 /// Returns the value of the User ID Packet.
 ///
 /// The returned pointer is valid until `uid` is deallocated.  If
diff --git a/openpgp-ffi/src/packet/userid.rs b/openpgp-ffi/src/packet/userid.rs
index ba34cb0c..0db8824c 100644
--- a/openpgp-ffi/src/packet/userid.rs
+++ b/openpgp-ffi/src/packet/userid.rs
@@ -10,6 +10,31 @@ use error::Status;
 use super::Packet;
 
 use RefRaw;
+use MoveIntoRaw;
+
+/// Create a new User ID with the value `value`.
+///
+/// `value` need not be valid UTF-8, but it must be NUL terminated.
+#[::sequoia_ffi_macros::extern_fn] #[no_mangle]
+pub extern "system" fn pgp_user_id_new(value: *const c_char)
+    -> *mut Packet
+{
+    let value : &[u8] = ffi_param_cstr!(value).to_bytes();
+    let packet : openpgp::Packet = openpgp::packet::UserID::from(value).into();
+    packet.move_into_raw()
+}
+
+/// Create a new User ID with the value `value`.
+///
+/// `value` need not be valid UTF-8.
+#[::sequoia_ffi_macros::extern_fn] #[no_mangle]
+pub extern "system" fn pgp_user_id_from_raw(value: *const uint8_t, len: size_t)
+    -> *mut Packet
+{
+    let value : &[u8] = unsafe { std::slice::from_raw_parts(value, len) };
+    let packet : openpgp::Packet = openpgp::packet::UserID::from(value).into();
+    packet.move_into_raw()
+}
 
 /// Returns the value of the User ID Packet.
 ///