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https://github.com/facebook/zstd.git
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126 lines
5.0 KiB
C
126 lines
5.0 KiB
C
/* ******************************************************************
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Error codes and messages
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Copyright (C) 2013-2016, Yann Collet
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BSD 2-Clause License (http://www.opensource.org/licenses/bsd-license.php)
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions are
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met:
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* Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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* Redistributions in binary form must reproduce the above
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copyright notice, this list of conditions and the following disclaimer
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in the documentation and/or other materials provided with the
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distribution.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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You can contact the author at :
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- Homepage : http://www.zstd.net
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****************************************************************** */
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/* Note : this module is expected to remain private, do not expose it */
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#ifndef ERROR_H_MODULE
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#define ERROR_H_MODULE
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#if defined (__cplusplus)
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extern "C" {
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#endif
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/* ****************************************
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* Dependencies
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******************************************/
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#include <stddef.h> /* size_t */
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#include "error_public.h" /* enum list */
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/* ****************************************
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* Compiler-specific
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******************************************/
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#if defined(__GNUC__)
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# define ERR_STATIC static __attribute__((unused))
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#elif defined (__cplusplus) || (defined (__STDC_VERSION__) && (__STDC_VERSION__ >= 199901L) /* C99 */)
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# define ERR_STATIC static inline
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#elif defined(_MSC_VER)
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# define ERR_STATIC static __inline
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#else
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# define ERR_STATIC static /* this version may generate warnings for unused static functions; disable the relevant warning */
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#endif
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/*-****************************************
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* Customization (error_public.h)
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******************************************/
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typedef ZSTD_ErrorCode ERR_enum;
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#define PREFIX(name) ZSTD_error_##name
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/*-****************************************
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* Error codes handling
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******************************************/
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#ifdef ERROR
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# undef ERROR /* reported already defined on VS 2015 (Rich Geldreich) */
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#endif
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#define ERROR(name) ((size_t)-PREFIX(name))
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ERR_STATIC unsigned ERR_isError(size_t code) { return (code > ERROR(maxCode)); }
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ERR_STATIC ERR_enum ERR_getErrorCode(size_t code) { if (!ERR_isError(code)) return (ERR_enum)0; return (ERR_enum) (0-code); }
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/*-****************************************
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* Error Strings
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******************************************/
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ERR_STATIC const char* ERR_getErrorString(ERR_enum code)
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{
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static const char* notErrorCode = "Unspecified error code";
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switch( code )
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{
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case PREFIX(no_error): return "No error detected";
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case PREFIX(GENERIC): return "Error (generic)";
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case PREFIX(prefix_unknown): return "Unknown frame descriptor";
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case PREFIX(frameParameter_unsupported): return "Unsupported frame parameter";
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case PREFIX(frameParameter_unsupportedBy32bits): return "Frame parameter unsupported in 32-bits mode";
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case PREFIX(compressionParameter_unsupported): return "Compression parameter is out of bound";
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case PREFIX(init_missing): return "Context should be init first";
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case PREFIX(memory_allocation): return "Allocation error : not enough memory";
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case PREFIX(stage_wrong): return "Operation not authorized at current processing stage";
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case PREFIX(dstSize_tooSmall): return "Destination buffer is too small";
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case PREFIX(srcSize_wrong): return "Src size incorrect";
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case PREFIX(corruption_detected): return "Corrupted block detected";
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case PREFIX(checksum_wrong): return "Restored data doesn't match checksum";
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case PREFIX(tableLog_tooLarge): return "tableLog requires too much memory : unsupported";
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case PREFIX(maxSymbolValue_tooLarge): return "Unsupported max Symbol Value : too large";
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case PREFIX(maxSymbolValue_tooSmall): return "Specified maxSymbolValue is too small";
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case PREFIX(dictionary_corrupted): return "Dictionary is corrupted";
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case PREFIX(dictionary_wrong): return "Dictionary mismatch";
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case PREFIX(maxCode):
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default: return notErrorCode;
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}
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}
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ERR_STATIC const char* ERR_getErrorName(size_t code)
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{
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return ERR_getErrorString(ERR_getErrorCode(code));
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}
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#if defined (__cplusplus)
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}
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#endif
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#endif /* ERROR_H_MODULE */
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