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mdbx: fix mdbx_dbi_open_ex(MDBX_CREATE) for rdonly txn.

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Fix https://github.com/leo-yuriev/libmdbx/issues/19

Change-Id: I3ae1ab3188482fd8c31de51d62e34591082cd60a
This commit is contained in:
Leo Yuriev 2017-09-07 09:09:44 +03:00
parent 26dab6dee0
commit 5b23d7e452
1 changed files with 6 additions and 0 deletions
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6
src/mdbx.c
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@ -8118,6 +8118,8 @@ static void mdbx_cursor_copy(const MDBX_cursor *csrc, MDBX_cursor *cdst);
/* Perform act while tracking temporary cursor mn */
#define WITH_CURSOR_TRACKING(mn, act) \
do { \
mdbx_cassert(&(mn), \
mn.mc_txn->mt_cursors != NULL /* must be not rdonly txt */); \
MDBX_cursor mc_dummy, *tracked, \
**tp = &(mn).mc_txn->mt_cursors[mn.mc_dbi]; \
if ((mn).mc_flags & C_SUB) { \
@ -10080,6 +10082,10 @@ int mdbx_dbi_open_ex(MDBX_txn *txn, const char *table_name, unsigned user_flags,
return MDBX_INCOMPATIBLE;
}
if (rc != MDBX_SUCCESS &&
unlikely(txn->mt_flags & (MDBX_TXN_RDONLY | MDBX_TXN_BLOCKED)))
return (txn->mt_flags & MDBX_TXN_RDONLY) ? MDBX_EACCESS : MDBX_BAD_TXN;
/* Done here so we cannot fail after creating a new DB */
char *namedup = mdbx_strdup(table_name);
if (unlikely(!namedup))