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https://github.com/netwide-assembler/nasm.git
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78 lines
2.9 KiB
C
78 lines
2.9 KiB
C
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/* ----------------------------------------------------------------------- *
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*
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* Copyright 1996-2016 The NASM Authors - All Rights Reserved
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* See the file AUTHORS included with the NASM distribution for
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* the specific copyright holders.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following
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* conditions are met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following
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* disclaimer in the documentation and/or other materials provided
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* with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
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* CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
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* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
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* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* ----------------------------------------------------------------------- */
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/*
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* nasmlib.c library routines for the Netwide Assembler
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*/
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#include "compiler.h"
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#include <string.h>
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#include "nasmlib.h"
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/*
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* Binary search.
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*/
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int bsi(const char *string, const char **array, int size)
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{
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int i = -1, j = size; /* always, i < index < j */
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while (j - i >= 2) {
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int k = (i + j) / 2;
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int l = strcmp(string, array[k]);
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if (l < 0) /* it's in the first half */
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j = k;
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else if (l > 0) /* it's in the second half */
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i = k;
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else /* we've got it :) */
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return k;
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}
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return -1; /* we haven't got it :( */
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}
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int bsii(const char *string, const char **array, int size)
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{
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int i = -1, j = size; /* always, i < index < j */
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while (j - i >= 2) {
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int k = (i + j) / 2;
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int l = nasm_stricmp(string, array[k]);
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if (l < 0) /* it's in the first half */
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j = k;
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else if (l > 0) /* it's in the second half */
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i = k;
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else /* we've got it :) */
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return k;
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}
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return -1; /* we haven't got it :( */
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}
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