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ICU-4084 Improve doOpenChoice performance

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X-SVN-Rev: 16468
This commit is contained in:
George Rhoten 2004-10-13 05:41:18 +00:00
parent e6d6d3715b
commit 5f2505021e
1 changed files with 8 additions and 6 deletions
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14
icu4c/source/common/ucmndata.c
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@ -106,6 +106,7 @@ offsetTOCLookupFn(const UDataMemory *pData,
const char *base=(const char *)pData->toc;
uint32_t start, limit, number, lastNumber;
int32_t strResult;
const UDataOffsetTOCEntry *entry;
/* perform a binary search for the data in the common data's table of contents */
#if defined (UDATA_DEBUG_DUMP)
@ -118,6 +119,7 @@ offsetTOCLookupFn(const UDataMemory *pData,
start=0;
limit=toc->count; /* number of names in this table of contents */
lastNumber=limit;
entry=toc->entry;
if (limit == 0) { /* Stub common data library used during build is empty. */
return NULL;
}
@ -127,7 +129,7 @@ offsetTOCLookupFn(const UDataMemory *pData,
break; /* We haven't moved, and it wasn't found. */
}
lastNumber = number;
strResult = uprv_strcmp(tocEntryName, &base[toc->entry[number].nameOffset]);
strResult = uprv_strcmp(tocEntryName, base+entry[number].nameOffset);
if(strResult<0) {
limit=number;
} else if (strResult>0) {
@ -136,15 +138,15 @@ offsetTOCLookupFn(const UDataMemory *pData,
else {
/* found it */
#ifdef UDATA_DEBUG
/* fprintf(stderr, "Found: %p\n",(base+toc[2*start+1])); */
fprintf(stderr, "%s: Found.\n", tocEntryName);
#endif
if((number+1)<toc->count) {
*pLength=(int32_t)(toc->entry[number+1].dataOffset-toc->entry[number].dataOffset);
entry += number; /* Alias the entry to the current entry. */
if((number+1) < toc->count) {
*pLength = (int32_t)(entry[1].dataOffset - entry->dataOffset);
} else {
*pLength=-1;
*pLength = -1;
}
return (const DataHeader *)&base[toc->entry[number].dataOffset];
return (const DataHeader *)(base+entry->dataOffset);
}
}
#ifdef UDATA_DEBUG