| /* |
| Copyright 2020 Google LLC |
| |
| Use of this source code is governed by a BSD-style |
| license that can be found in the LICENSE file or at |
| https://developers.google.com/open-source/licenses/bsd |
| */ |
| |
| #ifndef REFTABLE_ERROR_H |
| #define REFTABLE_ERROR_H |
| |
| /* |
| * Errors in reftable calls are signaled with negative integer return values. 0 |
| * means success. |
| */ |
| enum reftable_error { |
| /* Unexpected file system behavior */ |
| REFTABLE_IO_ERROR = -2, |
| |
| /* Format inconsistency on reading data */ |
| REFTABLE_FORMAT_ERROR = -3, |
| |
| /* File does not exist. Returned from block_source_from_file(), because |
| * it needs special handling in stack. |
| */ |
| REFTABLE_NOT_EXIST_ERROR = -4, |
| |
| /* Trying to access locked data. */ |
| REFTABLE_LOCK_ERROR = -5, |
| |
| /* Misuse of the API: |
| * - on writing a record with NULL refname. |
| * - on writing a reftable_ref_record outside the table limits |
| * - on writing a ref or log record before the stack's |
| * next_update_inde*x |
| * - on writing a log record with multiline message with |
| * exact_log_message unset |
| * - on reading a reftable_ref_record from log iterator, or vice versa. |
| * |
| * When a call misuses the API, the internal state of the library is |
| * kept unchanged. |
| */ |
| REFTABLE_API_ERROR = -6, |
| |
| /* Decompression error */ |
| REFTABLE_ZLIB_ERROR = -7, |
| |
| /* Wrote a table without blocks. */ |
| REFTABLE_EMPTY_TABLE_ERROR = -8, |
| |
| /* Invalid ref name. */ |
| REFTABLE_REFNAME_ERROR = -10, |
| |
| /* Entry does not fit. This can happen when writing outsize reflog |
| messages. */ |
| REFTABLE_ENTRY_TOO_BIG_ERROR = -11, |
| |
| /* Trying to write out-of-date data. */ |
| REFTABLE_OUTDATED_ERROR = -12, |
| }; |
| |
| /* convert the numeric error code to a string. The string should not be |
| * deallocated. */ |
| const char *reftable_error_str(int err); |
| |
| #endif |