1 files changed, 65 insertions, 0 deletions
diff --git a/include/olm/error.h b/include/olm/error.h
new file mode 100644
index 0000000..9d44a94
--- /dev/null
+++ b/include/olm/error.h
@@ -0,0 +1,65 @@
+/* Copyright 2015-2016 OpenMarket Ltd
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#ifndef OLM_ERROR_H_
+#define OLM_ERROR_H_
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+enum OlmErrorCode {
+    OLM_SUCCESS = 0, /*!< There wasn't an error */
+    OLM_NOT_ENOUGH_RANDOM = 1,  /*!< Not enough entropy was supplied */
+    OLM_OUTPUT_BUFFER_TOO_SMALL = 2, /*!< Supplied output buffer is too small */
+    OLM_BAD_MESSAGE_VERSION = 3,  /*!< The message version is unsupported */
+    OLM_BAD_MESSAGE_FORMAT = 4, /*!< The message couldn't be decoded */
+    OLM_BAD_MESSAGE_MAC = 5, /*!< The message couldn't be decrypted */
+    OLM_BAD_MESSAGE_KEY_ID = 6, /*!< The message references an unknown key id */
+    OLM_INVALID_BASE64 = 7, /*!< The input base64 was invalid */
+    OLM_BAD_ACCOUNT_KEY = 8, /*!< The supplied account key is invalid */
+    OLM_UNKNOWN_PICKLE_VERSION = 9, /*!< The pickled object is too new */
+    OLM_CORRUPTED_PICKLE = 10, /*!< The pickled object couldn't be decoded */
+
+    OLM_BAD_SESSION_KEY = 11,  /*!< Attempt to initialise an inbound group
+                                 session from an invalid session key */
+    OLM_UNKNOWN_MESSAGE_INDEX = 12,  /*!< Attempt to decode a message whose
+                                      * index is earlier than our earliest
+                                      * known session key.
+                                      */
+
+    /**
+     * Attempt to unpickle an account which uses pickle version 1 (which did
+     * not save enough space for the Ed25519 key; the key should be considered
+     * compromised. We don't let the user reload the account.
+     */
+    OLM_BAD_LEGACY_ACCOUNT_PICKLE = 13,
+
+    /**
+     * Received message had a bad signature
+     */
+    OLM_BAD_SIGNATURE = 14,
+
+    /* remember to update the list of string constants in error.c when updating
+     * this list. */
+};
+
+/** get a string representation of the given error code. */
+const char * _olm_error_to_string(enum OlmErrorCode error);
+
+#ifdef __cplusplus
+} // extern "C"
+#endif
+
+#endif /* OLM_ERROR_H_ */