diff options
Diffstat (limited to 'contrib/btree_gist/btree_utils_var.h')
| -rw-r--r-- | contrib/btree_gist/btree_utils_var.h | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/contrib/btree_gist/btree_utils_var.h b/contrib/btree_gist/btree_utils_var.h index 9302d41ced6..75ad33d24fc 100644 --- a/contrib/btree_gist/btree_utils_var.h +++ b/contrib/btree_gist/btree_utils_var.h @@ -41,7 +41,17 @@ typedef struct GBT_VARKEY *(*f_l2n) (GBT_VARKEY *, FmgrInfo *flinfo); /* convert leaf to node */ } gbtree_vinfo; - +/* + * Free ptr1 in case its a copy of ptr2. + * + * This is adapted from varlena's PG_FREE_IF_COPY, though doesn't require + * fcinfo access. + */ +#define GBT_FREE_IF_COPY(ptr1, ptr2) \ + do { \ + if ((Pointer) (ptr1) != DatumGetPointer(ptr2)) \ + pfree(ptr1); \ + } while (0) extern GBT_VARKEY_R gbt_var_key_readable(const GBT_VARKEY *k); |