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mdbx: add ptr2page().

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Леонид Юрьев (Leonid Yuriev)
2025-09-04 01:37:37 +03:00
parent 9f2352681c
commit 3615b87b4b
1 changed files with 7 additions and 0 deletions
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7
src/cogs.h
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@@ -254,6 +254,13 @@ MDBX_NOTHROW_PURE_FUNCTION static inline const page_t *payload2page(const void *
return container_of(data, page_t, entries); return container_of(data, page_t, entries);
} }
MDBX_NOTHROW_PURE_FUNCTION static inline const page_t *ptr2page(const MDBX_env *env, const void *ptr) {
eASSERT(env,
ptr_dist(ptr, env->dxb_mmap.base) >= 0 && (size_t)ptr_dist(ptr, env->dxb_mmap.base) < env->dxb_mmap.limit);
const uintptr_t mask = env->ps - 1;
return (page_t *)((uintptr_t)ptr & ~mask);
}
MDBX_NOTHROW_PURE_FUNCTION static inline meta_t *page_meta(page_t *mp) { return (meta_t *)page2payload(mp); } MDBX_NOTHROW_PURE_FUNCTION static inline meta_t *page_meta(page_t *mp) { return (meta_t *)page2payload(mp); }
MDBX_NOTHROW_PURE_FUNCTION static inline size_t page_numkeys(const page_t *mp) { MDBX_NOTHROW_PURE_FUNCTION static inline size_t page_numkeys(const page_t *mp) {