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/*
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,
/* Dir/file conflict. */
REFTABLE_NAME_CONFLICT = -9,
/* 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/* Trying to write out-of-date data.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
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