/usr/include/apreq2/apreq_error.h is in libapreq2-dev 2.13-4ubuntu2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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** Licensed to the Apache Software Foundation (ASF) under one or more
** contributor license agreements. See the NOTICE file distributed with
** this work for additional information regarding copyright ownership.
** The ASF licenses this file to You 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 APREQ_ERROR_H
#define APREQ_ERROR_H
#include "apr_errno.h"
#include "apreq.h"
#ifdef __cplusplus
extern "C" {
#endif
/**
* apreq's wrapper around apr_strerror();
* recognizes APREQ_ERROR_* status codes.
*/
APREQ_DECLARE(char *)
apreq_strerror(apr_status_t s, char *buf, apr_size_t bufsize);
/**
* @file apreq_error.h
* @brief Error status codes.
* @ingroup libapreq2
*
* Define the APREQ_ error codes.
*/
#ifndef APR_EBADARG
/**
* Bad Arguments return value
* @see APR_BADARG
*/
#define APR_EBADARG APR_BADARG /* XXX: don't use APR_BADARG */
#endif
/** Internal apreq error. */
#define APREQ_ERROR_GENERAL APR_OS_START_USERERR
/** Attempted to perform unsafe action with tainted data. */
#define APREQ_ERROR_TAINTED (APREQ_ERROR_GENERAL + 1)
/** Parsing interrupted. */
#define APREQ_ERROR_INTERRUPT (APREQ_ERROR_GENERAL + 2)
/** Invalid input data. */
#define APREQ_ERROR_BADDATA (APREQ_ERROR_GENERAL + 10)
/** Invalid character. */
#define APREQ_ERROR_BADCHAR (APREQ_ERROR_BADDATA + 1)
/** Invalid byte sequence. */
#define APREQ_ERROR_BADSEQ (APREQ_ERROR_BADDATA + 2)
/** Invalid attribute. */
#define APREQ_ERROR_BADATTR (APREQ_ERROR_BADDATA + 3)
/** Invalid header. */
#define APREQ_ERROR_BADHEADER (APREQ_ERROR_BADDATA + 4)
/** Invalid utf8 encoding. */
#define APREQ_ERROR_BADUTF8 (APREQ_ERROR_BADDATA + 5)
/** Missing input data. */
#define APREQ_ERROR_NODATA (APREQ_ERROR_GENERAL + 20)
/** Missing required token. */
#define APREQ_ERROR_NOTOKEN (APREQ_ERROR_NODATA + 1)
/** Missing attribute. */
#define APREQ_ERROR_NOATTR (APREQ_ERROR_NODATA + 2)
/** Missing header. */
#define APREQ_ERROR_NOHEADER (APREQ_ERROR_NODATA + 3)
/** Missing parser. */
#define APREQ_ERROR_NOPARSER (APREQ_ERROR_NODATA + 4)
/** Conflicting information. */
#define APREQ_ERROR_MISMATCH (APREQ_ERROR_GENERAL + 30)
/** Exceeds configured maximum limit. */
#define APREQ_ERROR_OVERLIMIT (APREQ_ERROR_MISMATCH + 1)
/** Below configured minimum limit. */
#define APREQ_ERROR_UNDERLIMIT (APREQ_ERROR_MISMATCH + 2)
/** Setting already configured. */
#define APREQ_ERROR_NOTEMPTY (APREQ_ERROR_MISMATCH + 3)
#ifdef __cplusplus
}
#endif
#endif /* APREQ_ERROR_H */
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