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mdbx: allow devel-signatures (for Miranga-NG).
Binary format of v0.1.x and v0.2.x is frozed. This commit allows to open DBs created early by devel-versions of libmdbx. It seems to be required for Miranda-NG users, but no one else. Change-Id: Icf1d0477dcc3d212e03c87ab8c5255c3382425e5
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@ -476,8 +476,10 @@ typedef struct MDBX_lockinfo {
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(uint16_t)(MDBX_LOCKINFO_WHOLE_SIZE + MDBX_CACHELINE_SIZE - 1))
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#define MDBX_DATA_MAGIC ((MDBX_MAGIC << 8) + MDBX_DATA_VERSION)
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#define MDBX_DATA_MAGIC_DEVEL ((MDBX_MAGIC << 8) + 255)
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#define MDBX_LOCK_MAGIC ((MDBX_MAGIC << 8) + MDBX_LOCK_VERSION)
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#define MDBX_LOCK_MAGIC_DEVEL ((MDBX_MAGIC << 8) + 255)
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#ifndef MDBX_ASSUME_MALLOC_OVERHEAD
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#define MDBX_ASSUME_MALLOC_OVERHEAD (sizeof(void *) * 2u)
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@ -4928,7 +4928,8 @@ static int __cold mdbx_read_header(MDBX_env *env, MDBX_meta *meta,
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mdbx_info("meta[%u] was updated, re-read it", meta_number);
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}
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if (page.mp_meta.mm_magic_and_version != MDBX_DATA_MAGIC) {
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if (page.mp_meta.mm_magic_and_version != MDBX_DATA_MAGIC &&
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page.mp_meta.mm_magic_and_version != MDBX_DATA_MAGIC_DEVEL) {
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mdbx_error("meta[%u] has invalid magic/version %" PRIx64, meta_number,
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page.mp_meta.mm_magic_and_version);
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return ((page.mp_meta.mm_magic_and_version >> 8) != MDBX_MAGIC)
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@ -6298,7 +6299,8 @@ static int __cold mdbx_setup_lck(MDBX_env *env, char *lck_pathname,
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env->me_lck->mti_magic_and_version = MDBX_LOCK_MAGIC;
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env->me_lck->mti_os_and_format = MDBX_LOCK_FORMAT;
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} else {
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if (env->me_lck->mti_magic_and_version != MDBX_LOCK_MAGIC) {
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if (env->me_lck->mti_magic_and_version != MDBX_LOCK_MAGIC &&
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env->me_lck->mti_magic_and_version != MDBX_LOCK_MAGIC_DEVEL) {
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mdbx_error("lock region has invalid magic/version");
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return ((env->me_lck->mti_magic_and_version >> 8) != MDBX_MAGIC)
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? MDBX_INVALID
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