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mdbx: backport - check comparator for MDBX_GET_BOTH and MDBX_GET_BOTH_RANGE.

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Leonid Yuriev 2018-08-24 04:00:59 +03:00
parent 34300150a1
commit 6d438605dd
1 changed files with 3 additions and 1 deletions
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4
src/mdbx.c
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@ -7130,9 +7130,11 @@ set1:
MDBX_val olddata; MDBX_val olddata;
if (unlikely((rc = mdbx_node_read(mc, leaf, &olddata)) != MDBX_SUCCESS)) if (unlikely((rc = mdbx_node_read(mc, leaf, &olddata)) != MDBX_SUCCESS))
return rc; return rc;
if (unlikely(mc->mc_dbx->md_dcmp == NULL))
return MDBX_EINVAL;
rc = mc->mc_dbx->md_dcmp(data, &olddata); rc = mc->mc_dbx->md_dcmp(data, &olddata);
if (rc) { if (rc) {
if (op == MDBX_GET_BOTH || rc > 0) if (op != MDBX_GET_BOTH_RANGE || rc > 0)
return MDBX_NOTFOUND; return MDBX_NOTFOUND;
rc = 0; rc = 0;
} }