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mdbx: add const for bsearch functions.

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Change-Id: Ie63eafa145bc8a63ae56b2693aaaf69bd21893aa
This commit is contained in:
Leonid Yuriev
2020-12-11 21:17:44 +03:00
parent ef7814c018
commit 1314b29557
1 changed files with 11 additions and 11 deletions
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22
src/core.c
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@@ -2564,14 +2564,14 @@ static int lcklist_detach_locked(MDBX_env *env) {
* LY: Binary search */
#define SEARCH_IMPL(NAME, TYPE_LIST, TYPE_ARG, CMP) \
static __always_inline TYPE_LIST *NAME(TYPE_LIST *first, unsigned length, \
const TYPE_ARG item) { \
TYPE_LIST *const begin = first, *const end = begin + length; \
static __always_inline const TYPE_LIST *NAME( \
const TYPE_LIST *first, unsigned length, const TYPE_ARG item) { \
const TYPE_LIST *const begin = first, *const end = begin + length; \
\
while (length > 3) { \
const unsigned whole = length; \
length >>= 1; \
TYPE_LIST *const middle = first + length; \
const TYPE_LIST *const middle = first + length; \
if (CMP(*middle, item)) { \
first = middle + 1; \
length = whole - length - 1; \
@@ -2601,9 +2601,9 @@ static int lcklist_detach_locked(MDBX_env *env) {
} \
\
if (mdbx_audit_enabled()) { \
for (TYPE_LIST *scan = begin; scan < first; ++scan) \
for (const TYPE_LIST *scan = begin; scan < first; ++scan) \
assert(CMP(*scan, item)); \
for (TYPE_LIST *scan = first; scan < end; ++scan) \
for (const TYPE_LIST *scan = first; scan < end; ++scan) \
assert(!CMP(*scan, item)); \
(void)begin, (void)end; \
} \
@@ -2859,11 +2859,11 @@ static __hot void mdbx_pnl_sort(MDBX_PNL pnl) {
* Returns The index of the first item greater than or equal to pgno. */
SEARCH_IMPL(pgno_bsearch, pgno_t, pgno_t, MDBX_PNL_ORDERED)
static __hot unsigned mdbx_pnl_search(MDBX_PNL pnl, pgno_t id) {
static __hot unsigned mdbx_pnl_search(const MDBX_PNL pnl, pgno_t id) {
assert(mdbx_pnl_check4assert(pnl, MAX_PAGENO + 1));
pgno_t *begin = MDBX_PNL_BEGIN(pnl);
pgno_t *it = pgno_bsearch(begin, MDBX_PNL_SIZE(pnl), id);
pgno_t *end = begin + MDBX_PNL_SIZE(pnl);
const pgno_t *begin = MDBX_PNL_BEGIN(pnl);
const pgno_t *it = pgno_bsearch(begin, MDBX_PNL_SIZE(pnl), id);
const pgno_t *end = begin + MDBX_PNL_SIZE(pnl);
assert(it >= begin && it <= end);
if (it != begin)
assert(MDBX_PNL_ORDERED(it[-1], id));
@@ -2872,7 +2872,7 @@ static __hot unsigned mdbx_pnl_search(MDBX_PNL pnl, pgno_t id) {
return (unsigned)(it - begin + 1);
}
static __hot unsigned mdbx_pnl_exist(MDBX_PNL pnl, pgno_t id) {
static __hot unsigned mdbx_pnl_exist(const MDBX_PNL pnl, pgno_t id) {
unsigned n = mdbx_pnl_search(pnl, id);
return (n <= MDBX_PNL_SIZE(pnl) && pnl[n] == id) ? n : 0;
}