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mdbx: рефакторинг проверок с выносом в cursor_check_multiple() (backport).

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Леонид Юрьев (Leonid Yuriev)
2025-03-20 01:52:21 +03:00
parent 7ed769e9c6
commit 9653c8f45b
4 changed files with 34 additions and 15 deletions
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18
src/api-cursor.c
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@@ -711,22 +711,10 @@ int mdbx_cursor_put(MDBX_cursor *mc, const MDBX_val *key, MDBX_val *data, MDBX_p
if (unlikely(rc != MDBX_SUCCESS))
return LOG_IFERR(rc);
/* Check this first so counter will always be zero on any early failures. */
if (unlikely(flags & MDBX_MULTIPLE)) {
if (unlikely(flags & MDBX_RESERVE))
return LOG_IFERR(MDBX_EINVAL);
if (unlikely(!(mc->tree->flags & MDBX_DUPFIXED)))
return LOG_IFERR(MDBX_INCOMPATIBLE);
const size_t dcount = data[1].iov_len;
if (unlikely(dcount < 2 || data->iov_len == 0))
return LOG_IFERR(MDBX_BAD_VALSIZE);
if (unlikely(mc->tree->dupfix_size != data->iov_len) && mc->tree->dupfix_size)
return LOG_IFERR(MDBX_BAD_VALSIZE);
if (unlikely(dcount > MAX_MAPSIZE / 2 / (BRANCH_NODE_MAX(MDBX_MAX_PAGESIZE) - NODESIZE))) {
/* checking for multiplication overflow */
if (unlikely(dcount > MAX_MAPSIZE / 2 / data->iov_len))
return LOG_IFERR(MDBX_TOO_LARGE);
}
rc = cursor_check_multiple(mc, key, data, flags);
if (unlikely(rc != MDBX_SUCCESS))
return LOG_IFERR(rc);
}
if (flags & MDBX_RESERVE) {