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authorMiles Bader <miles@gnu.org>1996-10-08 21:22:28 +0000
committerMiles Bader <miles@gnu.org>1996-10-08 21:22:28 +0000
commit31d02bc7e518eb6df222c534e1b31f5eba4355f8 (patch)
treee40edb828831f77e0b823fc36e7887fdf4151d93 /libstore
parent5529fb929f609cade1f4f07923547cd4fcd6823d (diff)
(store_set_child_flags, store_clear_child_flags):
New funcs.
Diffstat (limited to 'libstore')
-rw-r--r--libstore/kids.c50
1 files changed, 49 insertions, 1 deletions
diff --git a/libstore/kids.c b/libstore/kids.c
index a7e57cc9..a1c4d424 100644
--- a/libstore/kids.c
+++ b/libstore/kids.c
@@ -45,7 +45,7 @@ store_set_children (struct store *store,
return 0;
}
-
+
/* Calls the allocate_encoding method in each child store of STORE,
propagating any errors. If any child does not hae such a method,
EOPNOTSUPP is returned. */
@@ -101,3 +101,51 @@ store_decode_children (struct store_enc *enc, int num_children,
store_free (children[i]);
return err;
}
+
+/* Set FLAGS in all children of STORE, and if successfull, add FLAGS to
+ STORE's flags. */
+error_t
+store_set_child_flags (struct store *store, int flags)
+{
+ int i;
+ error_t err = 0;
+ int old_child_flags[store->num_children];
+
+ for (i = 0; i < store->num_children && !err; i++)
+ {
+ old_child_flags[i] = store->children[i]->flags;
+ err = store_set_flags (store->children[i], flags);
+ }
+
+ if (err)
+ while (i > 0)
+ store_clear_flags (store->children[--i], flags & ~old_child_flags[i]);
+ else
+ store->flags |= flags;
+
+ return err;
+}
+
+/* Clear FLAGS in all children of STORE, and if successfull, remove FLAGS from
+ STORE's flags. */
+error_t
+store_clear_child_flags (struct store *store, int flags)
+{
+ int i;
+ error_t err = 0;
+ int old_child_flags[store->num_children];
+
+ for (i = 0; i < store->num_children && !err; i++)
+ {
+ old_child_flags[i] = store->children[i]->flags;
+ err = store_clear_flags (store->children[i], flags);
+ }
+
+ if (err)
+ while (i > 0)
+ store_set_flags (store->children[--i], flags & ~old_child_flags[i]);
+ else
+ store->flags &= ~flags;
+
+ return err;
+}