Yann Collet | 977f1f3 | 2016-01-21 15:38:47 +0100 | [diff] [blame^] | 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 | - Source repository : https://github.com/Cyan4973/zstd |
| 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) |
| 39 | extern "C" { |
| 40 | #endif |
| 41 | |
| 42 | |
| 43 | /* ***************************************** |
| 44 | * Includes |
| 45 | ******************************************/ |
| 46 | #include <stddef.h> /* size_t, ptrdiff_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 | * Error Codes |
| 66 | ******************************************/ |
| 67 | #define PREFIX(name) ZSTD_error_##name |
| 68 | |
| 69 | #ifdef ERROR |
| 70 | # undef ERROR /* reported already defined on VS 2015 by Rich Geldreich */ |
| 71 | #endif |
| 72 | #define ERROR(name) (size_t)-PREFIX(name) |
| 73 | |
| 74 | ERR_STATIC unsigned ERR_isError(size_t code) { return (code > ERROR(maxCode)); } |
| 75 | |
| 76 | |
| 77 | /* ***************************************** |
| 78 | * Error Strings |
| 79 | ******************************************/ |
| 80 | |
| 81 | ERR_STATIC const char* ERR_getErrorName(size_t code) |
| 82 | { |
| 83 | static const char* codeError = "Unspecified error code"; |
| 84 | switch( (size_t)-code ) |
| 85 | { |
| 86 | case ZSTD_error_No_Error: return "No error detected"; |
| 87 | case ZSTD_error_GENERIC: return "Error (generic)"; |
| 88 | case ZSTD_error_prefix_unknown: return "Unknown frame descriptor"; |
| 89 | case ZSTD_error_frameParameter_unsupported: return "Unsupported frame parameter"; |
| 90 | case ZSTD_error_frameParameter_unsupportedBy32bitsImplementation: return "Frame parameter unsupported in 32-bits mode"; |
| 91 | case ZSTD_error_init_missing: return "Context should be init first"; |
| 92 | case ZSTD_error_memory_allocation: return "Allocation error : not enough memory"; |
| 93 | case ZSTD_error_dstSize_tooSmall: return "Destination buffer is too small"; |
| 94 | case ZSTD_error_srcSize_wrong: return "Src size incorrect"; |
| 95 | case ZSTD_error_corruption_detected: return "Corrupted block detected"; |
| 96 | case ZSTD_error_tableLog_tooLarge: return "tableLog requires too much memory"; |
| 97 | case ZSTD_error_maxSymbolValue_tooLarge: return "Unsupported max possible Symbol Value : too large"; |
| 98 | case ZSTD_error_maxSymbolValue_tooSmall: return "Specified maxSymbolValue is too small"; |
| 99 | case ZSTD_error_maxCode: |
| 100 | default: return codeError; |
| 101 | } |
| 102 | } |
| 103 | |
| 104 | |
| 105 | #if defined (__cplusplus) |
| 106 | } |
| 107 | #endif |
| 108 | |
| 109 | #endif /* ERROR_H_MODULE */ |