source: thirdparty/blosc/internal-complibs/zstd-0.7.4/common/error_private.h @ 8ebc79b

Revision 8ebc79b, 5.0 KB checked in by Hal Finkel <hfinkel@…>, 8 years ago (diff)

Add the other internal compression libraries from blocs

  • Property mode set to 100644
Line 
1/* ******************************************************************
2   Error codes and messages
3   Copyright (C) 2013-2016, Yann Collet
4
5   BSD 2-Clause License (http://www.opensource.org/licenses/bsd-license.php)
6
7   Redistribution and use in source and binary forms, with or without
8   modification, are permitted provided that the following conditions are
9   met:
10
11       * Redistributions of source code must retain the above copyright
12   notice, this list of conditions and the following disclaimer.
13       * Redistributions in binary form must reproduce the above
14   copyright notice, this list of conditions and the following disclaimer
15   in the documentation and/or other materials provided with the
16   distribution.
17
18   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
19   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
20   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
21   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
22   OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
23   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
24   LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
25   DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
26   THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
27   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
28   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29
30   You can contact the author at :
31   - Homepage : http://www.zstd.net
32****************************************************************** */
33/* Note : this module is expected to remain private, do not expose it */
34
35#ifndef ERROR_H_MODULE
36#define ERROR_H_MODULE
37
38#if defined (__cplusplus)
39extern "C" {
40#endif
41
42
43/* ****************************************
44*  Dependencies
45******************************************/
46#include <stddef.h>        /* size_t */
47#include "error_public.h"  /* enum list */
48
49
50/* ****************************************
51*  Compiler-specific
52******************************************/
53#if defined(__GNUC__)
54#  define ERR_STATIC static __attribute__((unused))
55#elif defined (__cplusplus) || (defined (__STDC_VERSION__) && (__STDC_VERSION__ >= 199901L) /* C99 */)
56#  define ERR_STATIC static inline
57#elif defined(_MSC_VER)
58#  define ERR_STATIC static __inline
59#else
60#  define ERR_STATIC static  /* this version may generate warnings for unused static functions; disable the relevant warning */
61#endif
62
63
64/*-****************************************
65*  Customization (error_public.h)
66******************************************/
67typedef ZSTD_ErrorCode ERR_enum;
68#define PREFIX(name) ZSTD_error_##name
69
70
71/*-****************************************
72*  Error codes handling
73******************************************/
74#ifdef ERROR
75#  undef ERROR   /* reported already defined on VS 2015 (Rich Geldreich) */
76#endif
77#define ERROR(name) ((size_t)-PREFIX(name))
78
79ERR_STATIC unsigned ERR_isError(size_t code) { return (code > ERROR(maxCode)); }
80
81ERR_STATIC ERR_enum ERR_getErrorCode(size_t code) { if (!ERR_isError(code)) return (ERR_enum)0; return (ERR_enum) (0-code); }
82
83
84/*-****************************************
85*  Error Strings
86******************************************/
87
88ERR_STATIC const char* ERR_getErrorString(ERR_enum code)
89{
90    static const char* notErrorCode = "Unspecified error code";
91    switch( code )
92    {
93    case PREFIX(no_error): return "No error detected";
94    case PREFIX(GENERIC)return "Error (generic)";
95    case PREFIX(prefix_unknown): return "Unknown frame descriptor";
96    case PREFIX(frameParameter_unsupported): return "Unsupported frame parameter";
97    case PREFIX(frameParameter_unsupportedBy32bits): return "Frame parameter unsupported in 32-bits mode";
98    case PREFIX(compressionParameter_unsupported): return "Compression parameter is out of bound";
99    case PREFIX(init_missing): return "Context should be init first";
100    case PREFIX(memory_allocation): return "Allocation error : not enough memory";
101    case PREFIX(stage_wrong): return "Operation not authorized at current processing stage";
102    case PREFIX(dstSize_tooSmall): return "Destination buffer is too small";
103    case PREFIX(srcSize_wrong): return "Src size incorrect";
104    case PREFIX(corruption_detected): return "Corrupted block detected";
105    case PREFIX(checksum_wrong): return "Restored data doesn't match checksum";
106    case PREFIX(tableLog_tooLarge): return "tableLog requires too much memory : unsupported";
107    case PREFIX(maxSymbolValue_tooLarge): return "Unsupported max Symbol Value : too large";
108    case PREFIX(maxSymbolValue_tooSmall): return "Specified maxSymbolValue is too small";
109    case PREFIX(dictionary_corrupted): return "Dictionary is corrupted";
110    case PREFIX(dictionary_wrong): return "Dictionary mismatch";
111    case PREFIX(maxCode):
112    default: return notErrorCode;
113    }
114}
115
116ERR_STATIC const char* ERR_getErrorName(size_t code)
117{
118    return ERR_getErrorString(ERR_getErrorCode(code));
119}
120
121#if defined (__cplusplus)
122}
123#endif
124
125#endif /* ERROR_H_MODULE */
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