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gex-core/utils/error.h

85 lines
2.5 KiB

7 years ago
/**
* @file error.h
* @brief collection of known errors and accessor for the friendly string
*
* DAPLink Interface Firmware
* Copyright (c) 2009-2016, ARM Limited, All Rights Reserved
* SPDX-License-Identifier: Apache-2.0
*
* 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 ERROR_H
#define ERROR_H
#ifdef __cplusplus
}
#endif
// fields: name, msg. If msg is NULL, name as string will be used instead.
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#define X_ERROR_CODES \
/* Shared errors */ \
X(SUCCESS, NULL) /* operation succeeded / unit loaded. Must be 0 */ \
X(FAILURE, NULL) /* generic error */ \
X(INTERNAL_ERROR, NULL) /* a bug */ \
X(LOADING, NULL) /* unit is loading */ \
X(UNKNOWN_COMMAND, NULL) \
X(BAD_COUNT, NULL) \
X(MALFORMED_COMMAND, NULL) \
X(NOT_APPLICABLE, NULL) \
X(HW_TIMEOUT, NULL) \
X(NO_SUCH_UNIT, NULL) \
X(PROTOCOL_BREACH, NULL) /* eating with the wrong spoon */ \
X(BAD_UNIT_TYPE, NULL) \
X(NOT_IMPLEMENTED, NULL) \
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\
/* VFS user errors (those are meant to be shown to user) */ \
X(ERROR_DURING_TRANSFER, "Error during transfer") \
X(TRANSFER_TIMEOUT, "Transfer timed out") \
X(OOO_SECTOR, "File sent out of order by PC") \
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\
/* File stream errors/status */ \
X(SUCCESS_DONE, NULL) \
X(SUCCESS_DONE_OR_CONTINUE, NULL) \
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\
/* Unit loading */ \
X(BAD_CONFIG, "Configuration error") \
X(BAD_KEY, "Unexpected config key") \
X(BAD_VALUE, "Bad config value") \
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X(OUT_OF_MEM, "Not enough RAM") \
X(RESOURCE_NOT_AVAILABLE, NULL)
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// Keep in sync with the list error_message
typedef enum {
#define X(name, text) E_##name,
X_ERROR_CODES
#undef X
ERROR_COUNT
} error_t;
const char *error_get_message(error_t error) __attribute__((pure));
const char *error_get_name(error_t error) __attribute__((pure));
/** Check return value and return it if not E_SUCCESS */
#define TRY(call) do { \
error_t _rv; \
_rv = call; \
if (E_SUCCESS != _rv) return _rv; \
} while (0)
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#ifdef __cplusplus
}
#endif
#endif