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Added : ZSTD_getErrorString(), to get error string from error enum (#168)

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This commit is contained in:
Yann Collet
2016-05-10 17:47:11 +02:00
parent b3a9938d0c
commit c75e4c25e8
3 changed files with 15 additions and 6 deletions
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lib/common/error_private.h
+8 -4
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@@ -78,17 +78,17 @@ typedef ZSTD_ErrorCode ERR_enum;
ERR_STATIC unsigned ERR_isError(size_t code) { return (code > ERROR(maxCode)); }
ERR_STATIC ERR_enum ERR_getError(size_t code) { if (!ERR_isError(code)) return (ERR_enum)0; return (ERR_enum) (0-code); }
ERR_STATIC ERR_enum ERR_getErrorCode(size_t code) { if (!ERR_isError(code)) return (ERR_enum)0; return (ERR_enum) (0-code); }
/*-****************************************
* Error Strings
******************************************/
ERR_STATIC const char* ERR_getErrorName(size_t code)
ERR_STATIC const char* ERR_getErrorString(ERR_enum code)
{
static const char* notErrorCode = "Unspecified error code";
switch( ERR_getError(code) )
switch( code )
{
case PREFIX(no_error): return "No error detected";
case PREFIX(GENERIC): return "Error (generic)";
@@ -107,10 +107,14 @@ ERR_STATIC const char* ERR_getErrorName(size_t code)
case PREFIX(maxSymbolValue_tooSmall): return "Specified maxSymbolValue is too small";
case PREFIX(dictionary_corrupted): return "Dictionary is corrupted";
case PREFIX(maxCode):
default: return notErrorCode; /* impossible, due to ERR_getError() */
default: return notErrorCode;
}
}
ERR_STATIC const char* ERR_getErrorName(size_t code)
{
return ERR_getErrorString(ERR_getErrorCode(code));
}
#if defined (__cplusplus)
}