73 lines
2 KiB
C
73 lines
2 KiB
C
/*
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* Copyright (c) 1991-1994 Sony Corporation
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*
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* Permission is hereby granted, free of charge, to any person obtaining
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* a copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sublicense, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice shall be
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* included in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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* IN NO EVENT SHALL SONY CORPORATION BE LIABLE FOR ANY CLAIM,
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* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
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* OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR
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* THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*
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* Except as contained in this notice, the name of Sony Corporation
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* shall not be used in advertising or otherwise to promote the sale, use
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* or other dealings in this Software without prior written authorization
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* from Sony Corporation.
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*
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*/
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/*
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* $SonyRCSfile: srchidx.c,v $
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* $SonyRevision: 1.1 $
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* $SonyDate: 1994/06/03 08:02:29 $
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*/
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#include "sj_kcnv.h"
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#include "sj_kanakan.h"
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TypeDicSeg
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srchidx(TypeDicSeg low, int len) {
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TypeDicSeg high;
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TypeDicSeg mid;
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int cmp;
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u_char* target;
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if((high = curdict->segunit - 1) < 1) return 0;
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if(low == (TypeDicSeg)-1) low = 0;
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while(low <= high) {
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mid = (low + high) >> 1;
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target = get_idxptr(mid);
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cmp = istrcmp(cnvstart, target, len, sstrlen(target));
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if(cmp == OVER) {
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high = mid - 1;
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}
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else if(cmp != MATCH) {
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low = mid + 1;
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}
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else {
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return mid;
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}
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}
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return (cmp == OVER && mid != DICSEGBASE) ? mid - 1 : mid;
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}
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