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Merge remote-tracking branch 'origin/mdb.RE/0.9'

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This commit is contained in:
Quanah Gibson-Mount 2015-05-04 11:36:27 -05:00
commit a6ea07dd63
1 changed files with 19 additions and 14 deletions
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33
libraries/liblmdb/mdb.c
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@ -5752,15 +5752,21 @@ set1:
return rc;
}
} else if (op == MDB_GET_BOTH || op == MDB_GET_BOTH_RANGE) {
MDB_val d2;
if ((rc = mdb_node_read(mc->mc_txn, leaf, &d2)) != MDB_SUCCESS)
MDB_val olddata;
MDB_cmp_func *dcmp;
if ((rc = mdb_node_read(mc->mc_txn, leaf, &olddata)) != MDB_SUCCESS)
return rc;
rc = mc->mc_dbx->md_dcmp(data, &d2);
dcmp = mc->mc_dbx->md_dcmp;
#if UINT_MAX < SIZE_MAX
if (dcmp == mdb_cmp_int && olddata.mv_size == sizeof(size_t))
dcmp = mdb_cmp_clong;
#endif
rc = dcmp(data, &olddata);
if (rc) {
if (op == MDB_GET_BOTH || rc > 0)
return MDB_NOTFOUND;
rc = 0;
*data = d2;
*data = olddata;
}
} else {
@ -6270,16 +6276,17 @@ more:
/* Was a single item before, must convert now */
if (!F_ISSET(leaf->mn_flags, F_DUPDATA)) {
MDB_cmp_func *dcmp;
/* Just overwrite the current item */
if (flags == MDB_CURRENT)
goto current;
dcmp = mc->mc_dbx->md_dcmp;
#if UINT_MAX < SIZE_MAX
if (mc->mc_dbx->md_dcmp == mdb_cmp_int && olddata.mv_size == sizeof(size_t))
mc->mc_dbx->md_dcmp = mdb_cmp_clong;
if (dcmp == mdb_cmp_int && olddata.mv_size == sizeof(size_t))
dcmp = mdb_cmp_clong;
#endif
/* does data match? */
if (!mc->mc_dbx->md_dcmp(data, &olddata)) {
if (!dcmp(data, &olddata)) {
if (flags & MDB_NODUPDATA)
return MDB_KEYEXIST;
/* overwrite it */
@ -7076,15 +7083,13 @@ mdb_xcursor_init1(MDB_cursor *mc, MDB_node *node)
mx->mx_db.md_flags |= MDB_INTEGERKEY;
}
}
#if UINT_MAX < SIZE_MAX
if (mc->mc_dbx->md_dcmp == mdb_cmp_int && mx->mx_db.md_pad == sizeof(size_t)) {
mc->mc_dbx->md_dcmp = mdb_cmp_clong;
mx->mx_dbx.md_cmp = mdb_cmp_clong;
}
#endif
DPRINTF(("Sub-db -%u root page %"Z"u", mx->mx_cursor.mc_dbi,
mx->mx_db.md_root));
mx->mx_dbflag = DB_VALID|DB_DIRTY; /* DB_DIRTY guides mdb_cursor_touch */
#if UINT_MAX < SIZE_MAX
if (mx->mx_dbx.md_cmp == mdb_cmp_int && mx->mx_db.md_pad == sizeof(size_t))
mx->mx_dbx.md_cmp = mdb_cmp_clong;
#endif
}
/** Initialize a cursor for a given transaction and database. */