Mercurial > dovecot > core-2.2
view src/lib/bsearch-insert-pos.c @ 10582:615eef3139c2 HEAD
Updated copyright notices to include year 2010.
author | Timo Sirainen <tss@iki.fi> |
---|---|
date | Mon, 25 Jan 2010 01:19:08 +0200 |
parents | 5ab09480d6b4 |
children | 447bce266022 |
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/* Copyright (c) 2005-2010 Dovecot authors, see the included COPYING file */ #include "lib.h" #include "array.h" #include "bsearch-insert-pos.h" bool bsearch_insert_pos(const void *key, const void *base, unsigned int nmemb, size_t size, int (*cmp)(const void *, const void *), unsigned int *idx_r) { const void *p; unsigned int idx, left_idx, right_idx; int ret; idx = 0; left_idx = 0; right_idx = nmemb; while (left_idx < right_idx) { idx = (left_idx + right_idx) / 2; p = CONST_PTR_OFFSET(base, idx * size); ret = cmp(key, p); if (ret > 0) left_idx = idx+1; else if (ret < 0) right_idx = idx; else { *idx_r = idx; return TRUE; } } if (left_idx > idx) idx++; *idx_r = idx; return FALSE; } bool array_bsearch_insert_pos_i(const struct array *array, const void *key, int (*cmp)(const void *, const void *), unsigned int *idx_r) { return bsearch_insert_pos(key, array->buffer->data, array_count_i(array), array->element_size, cmp, idx_r); }