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mdbx: more fix copy_asis() regression for case destination is a pipe.
2026-08-07 mdbx-tests: fix `copy` testcase for case when destination is already exists. 2026-08-07 mdbx-ci: increase the timeout on SourceCraft to 30 minutes. 2026-08-07 mdbx-make: add more duration limits to avoid CI timeouts. 2026-08-07 mdbx: more fix `copy_asis()` regression for case destination is a pipe. 2026-08-07 mdbx: add `MDBX_EEXIST` error code.
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‎VERSION.json‎

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{ "git_describe": "v0.14.2-543-ga4d2e4ab", "git_timestamp": "2026-08-07T16:04:08+03:00", "git_tree": "5fc4a75ee7d37cfc66492dcf2808c8c95cda0081", "git_commit": "a4d2e4ab9f27971742bd4c8e2963f533d5bc10d7", "semver": "0.14.2.543" }
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{ "git_describe": "v0.14.2-548-gee87b0d4", "git_timestamp": "2026-08-08T00:27:39+03:00", "git_tree": "52f1ff3ffcf5369904ac36d39a5696974089c546", "git_commit": "ee87b0d44604c2f79e87e497ec34cd528048dd18", "semver": "0.14.2.548" }

‎config.h.in‎

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/* This file is part of the libmdbx amalgamated source code (v0.14.2-543-ga4d2e4ab at 2026-08-07T16:04:08+03:00),
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/* This file is part of the libmdbx amalgamated source code (v0.14.2-548-gee87b0d4 at 2026-08-08T00:27:39+03:00),
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* it is the template for libmdbx's config.h
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******************************************************************************/
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‎mdbx-internals.h‎

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/* This file is part of the libmdbx amalgamated source code (v0.14.2-543-ga4d2e4ab at 2026-08-07T16:04:08+03:00).
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/* This file is part of the libmdbx amalgamated source code (v0.14.2-548-gee87b0d4 at 2026-08-08T00:27:39+03:00).
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*
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* libmdbx (aka MDBX) is an extremely fast, compact, powerful, embeddedable, transactional key-value storage engine with
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* open-source code. MDBX has a specific set of properties and capabilities, focused on creating unique lightweight
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#define xMDBX_ALLOY 1 /* alloyed build */
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#define MDBX_BUILD_SOURCERY 0f1f0893ddabe241f2f4d3a68cbba625fa11d87919a66f8177d4bb05f686ba93_v0_14_2_543_ga4d2e4ab
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#define MDBX_BUILD_SOURCERY d5b7db14f7dd4cf9258d39c07b7494d8497f089ab807375fa295548a28140ef6_v0_14_2_548_gee87b0d4
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#define LIBMDBX_INTERNALS
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#define MDBX_DEPRECATED

‎mdbx.c‎

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/* This file is part of the libmdbx amalgamated source code (v0.14.2-543-ga4d2e4ab at 2026-08-07T16:04:08+03:00).
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/* This file is part of the libmdbx amalgamated source code (v0.14.2-548-gee87b0d4 at 2026-08-08T00:27:39+03:00).
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*
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* libmdbx (aka MDBX) is an extremely fast, compact, powerful, embeddedable, transactional key-value storage engine with
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* open-source code. MDBX has a specific set of properties and capabilities, focused on creating unique lightweight
@@ -5539,12 +5539,10 @@ __cold static int copy_asis(MDBX_env *env, MDBX_txn *txn, mdbx_filehandle_t fd,
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}
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jitter4testing(false);
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size_t offset = meta_bytes;
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if (dest_is_pipe) {
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rc = osal_write(fd, buffer, meta_bytes);
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if (unlikely(rc != MDBX_SUCCESS))
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return rc;
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offset = 0;
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}
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#if MDBX_USE_COPYFILERANGE
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/* Copy the data */
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const size_t whole_size = pgno_ceil2os_bytes(env, txn->geo.end_pgno);
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const size_t used_size = pgno2bytes(env, txn->geo.first_unallocated);
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size_t offset = meta_bytes;
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while (rc == MDBX_SUCCESS && offset < used_size) {
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if (flags & MDBX_CP_THROTTLE_MVCC) {
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rc = mdbx_txn_unpark(txn, false);
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0,
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14,
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2,
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543,
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548,
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"", /* pre-release suffix of SemVer
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0.14.2.543 */
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{"2026-08-07T16:04:08+03:00", "5fc4a75ee7d37cfc66492dcf2808c8c95cda0081", "a4d2e4ab9f27971742bd4c8e2963f533d5bc10d7", "v0.14.2-543-ga4d2e4ab"},
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0.14.2.548 */
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{"2026-08-08T00:27:39+03:00", "52f1ff3ffcf5369904ac36d39a5696974089c546", "ee87b0d44604c2f79e87e497ec34cd528048dd18", "v0.14.2-548-gee87b0d4"},
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sourcery};
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__dll_export

‎mdbx.c++‎

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/* This file is part of the libmdbx amalgamated source code (v0.14.2-543-ga4d2e4ab at 2026-08-07T16:04:08+03:00).
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/* This file is part of the libmdbx amalgamated source code (v0.14.2-548-gee87b0d4 at 2026-08-08T00:27:39+03:00).
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*
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* libmdbx (aka MDBX) is an extremely fast, compact, powerful, embeddedable, transactional key-value storage engine with
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* open-source code. MDBX has a specific set of properties and capabilities, focused on creating unique lightweight

‎mdbx.h‎

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/** This file is part of the libmdbx amalgamated source code (v0.14.2-543-ga4d2e4ab at 2026-08-07T16:04:08+03:00).
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/** This file is part of the libmdbx amalgamated source code (v0.14.2-548-gee87b0d4 at 2026-08-08T00:27:39+03:00).
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\file mdbx.h
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\brief The libmdbx C API header file.
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MDBX_EIO = ERROR_WRITE_FAULT,
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MDBX_EPERM = ERROR_INVALID_FUNCTION,
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MDBX_EINTR = ERROR_CANCELLED,
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MDBX_EEXIST = ERROR_FILE_EXISTS,
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MDBX_ENOFILE = ERROR_FILE_NOT_FOUND,
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MDBX_EREMOTE = ERROR_REMOTE_STORAGE_MEDIA_ERROR,
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MDBX_EDEADLK = ERROR_POSSIBLE_DEADLOCK
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MDBX_EIO = EIO,
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MDBX_EPERM = EPERM,
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MDBX_EINTR = EINTR,
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MDBX_EEXIST = EEXIST,
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MDBX_ENOFILE = ENOENT,
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#if defined(EREMOTEIO) || defined(DOXYGEN)
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/** Cannot use the database on a network file system or when exporting it via NFS. */

‎mdbx.h++‎

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/// This file is part of the libmdbx amalgamated source code (v0.14.2-543-ga4d2e4ab at 2026-08-07T16:04:08+03:00).
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/// This file is part of the libmdbx amalgamated source code (v0.14.2-548-gee87b0d4 at 2026-08-08T00:27:39+03:00).
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/// \file mdbx.h++
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/// \brief The libmdbx C++ API header file.
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///

‎mdbx_chk.c‎

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/* This file is part of the libmdbx amalgamated source code (v0.14.2-543-ga4d2e4ab at 2026-08-07T16:04:08+03:00).
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/* This file is part of the libmdbx amalgamated source code (v0.14.2-548-gee87b0d4 at 2026-08-08T00:27:39+03:00).
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*
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* libmdbx (aka MDBX) is an extremely fast, compact, powerful, embeddedable, transactional key-value storage engine with
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* open-source code. MDBX has a specific set of properties and capabilities, focused on creating unique lightweight

‎mdbx_copy.c‎

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/* This file is part of the libmdbx amalgamated source code (v0.14.2-543-ga4d2e4ab at 2026-08-07T16:04:08+03:00).
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/* This file is part of the libmdbx amalgamated source code (v0.14.2-548-gee87b0d4 at 2026-08-08T00:27:39+03:00).
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*
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* libmdbx (aka MDBX) is an extremely fast, compact, powerful, embeddedable, transactional key-value storage engine with
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* open-source code. MDBX has a specific set of properties and capabilities, focused on creating unique lightweight

‎mdbx_defrag.c‎

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/* This file is part of the libmdbx amalgamated source code (v0.14.2-543-ga4d2e4ab at 2026-08-07T16:04:08+03:00).
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/* This file is part of the libmdbx amalgamated source code (v0.14.2-548-gee87b0d4 at 2026-08-08T00:27:39+03:00).
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*
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* libmdbx (aka MDBX) is an extremely fast, compact, powerful, embeddedable, transactional key-value storage engine with
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* open-source code. MDBX has a specific set of properties and capabilities, focused on creating unique lightweight

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