ISAR/libmdbx
3
0
Fork 0
mirror of https://github.com/isar/libmdbx.git synced 2025-11-06 19:08:56 +08:00
Code Issues Packages Projects Releases Wiki Activity

mdbx: extract internal check_key().

Browse Source
This commit is contained in:
Леонид Юрьев (Leonid Yuriev)
2025-09-04 20:13:30 +03:00
parent d7e3c2a0fc
commit 222d8f13f8
2 changed files with 40 additions and 32 deletions
Download Patch File Download Diff File Expand all files Collapse all files

32
src/cogs.h
View File

@@ -236,6 +236,38 @@ MDBX_NOTHROW_PURE_FUNCTION static inline pgno_t largechunk_npages(const MDBX_env
return bytes2pgno(env, PAGEHDRSZ - 1 + bytes) + 1;
}
typedef struct alignkey {
MDBX_val key;
uint64_t intbuf;
} alignkey_t;
static inline int check_key(const MDBX_cursor *mc, const MDBX_val *key, alignkey_t *alignkey) {
/* coverity[logical_vs_bitwise] */
if (unlikely(key->iov_len < mc->clc->k.lmin ||
(key->iov_len > mc->clc->k.lmax &&
(mc->clc->k.lmin == mc->clc->k.lmax || MDBX_DEBUG || MDBX_FORCE_ASSERTIONS)))) {
cASSERT(mc, !"Invalid key-size");
return MDBX_BAD_VALSIZE;
}
alignkey->key = *key;
if (mc->tree->flags & MDBX_INTEGERKEY) {
if (alignkey->key.iov_len == 8) {
if (unlikely(7 & (uintptr_t)alignkey->key.iov_base))
/* copy instead of return error to avoid break compatibility */
alignkey->key.iov_base = bcopy_8(&alignkey->intbuf, alignkey->key.iov_base);
} else if (alignkey->key.iov_len == 4) {
if (unlikely(3 & (uintptr_t)alignkey->key.iov_base))
/* copy instead of return error to avoid break compatibility */
alignkey->key.iov_base = bcopy_4(&alignkey->intbuf, alignkey->key.iov_base);
} else {
cASSERT(mc, !"key-size is invalid for MDBX_INTEGERKEY");
return MDBX_BAD_VALSIZE;
}
}
return MDBX_SUCCESS;
}
MDBX_NOTHROW_PURE_FUNCTION static inline MDBX_val get_key(const node_t *node) {
MDBX_val key;
key.iov_len = node_ks(node);