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minor refactor : more accurate variable scope

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This commit is contained in:
Yann Collet 2016-05-12 14:27:00 +02:00
parent b19d5d76ec
commit 16871680e3
1 changed files with 15 additions and 14 deletions
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29
lib/common/fse_decompress.c
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@ -110,7 +110,6 @@ void FSE_freeDTable (FSE_DTable* dt)
size_t FSE_buildDTable(FSE_DTable* dt, const short* normalizedCounter, unsigned maxSymbolValue, unsigned tableLog) size_t FSE_buildDTable(FSE_DTable* dt, const short* normalizedCounter, unsigned maxSymbolValue, unsigned tableLog)
{ {
FSE_DTableHeader DTableH;
void* const tdPtr = dt+1; /* because *dt is unsigned, 32-bits aligned on 32-bits */ void* const tdPtr = dt+1; /* because *dt is unsigned, 32-bits aligned on 32-bits */
FSE_DECODE_TYPE* const tableDecode = (FSE_DECODE_TYPE*) (tdPtr); FSE_DECODE_TYPE* const tableDecode = (FSE_DECODE_TYPE*) (tdPtr);
U16 symbolNext[FSE_MAX_SYMBOL_VALUE+1]; U16 symbolNext[FSE_MAX_SYMBOL_VALUE+1];
@ -124,19 +123,21 @@ size_t FSE_buildDTable(FSE_DTable* dt, const short* normalizedCounter, unsigned
if (tableLog > FSE_MAX_TABLELOG) return ERROR(tableLog_tooLarge); if (tableLog > FSE_MAX_TABLELOG) return ERROR(tableLog_tooLarge);
/* Init, lay down lowprob symbols */ /* Init, lay down lowprob symbols */
DTableH.tableLog = (U16)tableLog; { FSE_DTableHeader DTableH;
DTableH.fastMode = 1; DTableH.tableLog = (U16)tableLog;
{ S16 const largeLimit= (S16)(1 << (tableLog-1)); DTableH.fastMode = 1;
U32 s; { S16 const largeLimit= (S16)(1 << (tableLog-1));
for (s=0; s<maxSV1; s++) { U32 s;
if (normalizedCounter[s]==-1) { for (s=0; s<maxSV1; s++) {
tableDecode[highThreshold--].symbol = (FSE_FUNCTION_TYPE)s; if (normalizedCounter[s]==-1) {
symbolNext[s] = 1; tableDecode[highThreshold--].symbol = (FSE_FUNCTION_TYPE)s;
} else { symbolNext[s] = 1;
if (normalizedCounter[s] >= largeLimit) DTableH.fastMode=0; } else {
symbolNext[s] = normalizedCounter[s]; if (normalizedCounter[s] >= largeLimit) DTableH.fastMode=0;
} } } symbolNext[s] = normalizedCounter[s];
memcpy(dt, &DTableH, sizeof(DTableH)); } } }
memcpy(dt, &DTableH, sizeof(DTableH));
}
/* Spread symbols */ /* Spread symbols */
{ U32 const tableMask = tableSize-1; { U32 const tableMask = tableSize-1;