mdbx: изменение лицензии и реструктуризация исходного кода.

2025-11-07 07:18:56 +08:00 · 2024-05-19 22:07:58 +03:00
parent e9f5c0c308
commit 3de3d425a1
139 changed files with 34551 additions and 33907 deletions
--- a/src/essentials.h
+++ b/src/essentials.h
@@ -0,0 +1,136 @@
+/// \copyright SPDX-License-Identifier: Apache-2.0
+/// \author Леонид Юрьев aka Leonid Yuriev <leo@yuriev.ru> \date 2015-2024
+
+#pragma once
+
+#define LIBMDBX_INTERNALS
+#define MDBX_DEPRECATED
+
+#ifdef MDBX_CONFIG_H
+#include MDBX_CONFIG_H
+#endif
+
+#include "preface.h"
+
+#ifdef xMDBX_ALLOY
+/* Amalgamated build */
+#define MDBX_INTERNAL static
+#else
+/* Non-amalgamated build */
+#define MDBX_INTERNAL
+#endif /* xMDBX_ALLOY */
+
+#include "../mdbx.h"
+
+/*----------------------------------------------------------------------------*/
+/* Basic constants and types */
+
+typedef struct iov_ctx iov_ctx_t;
+#include "osal.h"
+
+#if UINTPTR_MAX > 0xffffFFFFul || ULONG_MAX > 0xffffFFFFul || defined(_WIN64)
+#define MDBX_WORDBITS 64
+#else
+#define MDBX_WORDBITS 32
+#endif /* MDBX_WORDBITS */
+
+#include "options.h"
+
+#include "atomics-types.h"
+
+#include "layout-dxb.h"
+#include "layout-lck.h"
+
+#define MIN_MAPSIZE (MDBX_MIN_PAGESIZE * MIN_PAGENO)
+#if defined(_WIN32) || defined(_WIN64)
+#define MAX_MAPSIZE32 UINT32_C(0x38000000)
+#else
+#define MAX_MAPSIZE32 UINT32_C(0x7f000000)
+#endif
+#define MAX_MAPSIZE64 ((MAX_PAGENO + 1) * (uint64_t)MDBX_MAX_PAGESIZE)
+
+#if MDBX_WORDBITS >= 64
+#define MAX_MAPSIZE MAX_MAPSIZE64
+#define PAGELIST_LIMIT ((size_t)MAX_PAGENO)
+#else
+#define MAX_MAPSIZE MAX_MAPSIZE32
+#define PAGELIST_LIMIT (MAX_MAPSIZE32 / MDBX_MIN_PAGESIZE)
+#endif /* MDBX_WORDBITS */
+
+#define MDBX_GOLD_RATIO_DBL 1.6180339887498948482
+#define MEGABYTE ((size_t)1 << 20)
+
+/*----------------------------------------------------------------------------*/
+
+union logger_union {
+  void *ptr;
+  MDBX_debug_func *fmt;
+  MDBX_debug_func_nofmt *nofmt;
+};
+
+struct libmdbx_globals {
+  bin128_t bootid;
+  unsigned sys_pagesize, sys_allocation_granularity;
+  uint8_t sys_pagesize_ln2;
+  uint8_t runtime_flags;
+  uint8_t loglevel;
+#if defined(_WIN32) || defined(_WIN64)
+  bool running_under_Wine;
+#elif defined(__linux__) || defined(__gnu_linux__)
+  bool running_on_WSL1 /* Windows Subsystem 1 for Linux */;
+  uint32_t linux_kernel_version;
+#endif /* Linux */
+  union logger_union logger;
+  osal_fastmutex_t debug_lock;
+  size_t logger_buffer_size;
+  char *logger_buffer;
+};
+
+#ifdef __cplusplus
+extern "C" {
+#endif /* __cplusplus */
+
+extern struct libmdbx_globals globals;
+#if defined(_WIN32) || defined(_WIN64)
+extern struct libmdbx_imports imports;
+#endif /* Windows */
+
+#include "logging_and_debug.h"
+
+#include "utils.h"
+
+#include "pnl.h"
+
+#ifdef __cplusplus
+}
+#endif /* __cplusplus */
+
+#define mdbx_sourcery_anchor XCONCAT(mdbx_sourcery_, MDBX_BUILD_SOURCERY)
+#if defined(xMDBX_TOOLS)
+extern LIBMDBX_API const char *const mdbx_sourcery_anchor;
+#endif
+
+#define MDBX_IS_ERROR(rc)                                                      \
+  ((rc) != MDBX_RESULT_TRUE && (rc) != MDBX_RESULT_FALSE)
+
+/*----------------------------------------------------------------------------*/
+
+MDBX_MAYBE_UNUSED MDBX_NOTHROW_CONST_FUNCTION static inline pgno_t
+int64pgno(int64_t i64) {
+  if (likely(i64 >= (int64_t)MIN_PAGENO && i64 <= (int64_t)MAX_PAGENO + 1))
+    return (pgno_t)i64;
+  return (i64 < (int64_t)MIN_PAGENO) ? MIN_PAGENO : MAX_PAGENO;
+}
+
+MDBX_MAYBE_UNUSED MDBX_NOTHROW_CONST_FUNCTION static inline pgno_t
+pgno_add(size_t base, size_t augend) {
+  assert(base <= MAX_PAGENO + 1 && augend < MAX_PAGENO);
+  return int64pgno((int64_t)base + (int64_t)augend);
+}
+
+MDBX_MAYBE_UNUSED MDBX_NOTHROW_CONST_FUNCTION static inline pgno_t
+pgno_sub(size_t base, size_t subtrahend) {
+  assert(base >= MIN_PAGENO && base <= MAX_PAGENO + 1 &&
+         subtrahend < MAX_PAGENO);
+  return int64pgno((int64_t)base - (int64_t)subtrahend);
+}