An upcoming commit will add a caller.
Signed-off-by: Ben Pfaff <b...@nicira.com>
---
lib/smap.c | 12 ++++++++++++
lib/smap.h | 3 ++-
2 files changed, 14 insertions(+), 1 deletions(-)
diff --git a/lib/smap.c b/lib/smap.c
index e612ac7..ff78598 100644
--- a/lib/smap.c
+++ b/lib/smap.c
@@ -125,6 +125,18 @@ smap_remove_node(struct smap *smap, struct smap_node *node)
free(node);
}
+/* Deletes 'node' from 'sh'. Neither the node's key nor its value is freed;
+ * instead, ownership is transferred to the caller. Returns the node's key. */
+char *
+smap_steal(struct smap *smap, struct smap_node *node)
+{
+ char *key = node->key;
+
+ hmap_remove(&smap->map, &node->node);
+ free(node);
+ return key;
+}
+
/* Removes all key-value pairs from 'smap'. */
void
smap_clear(struct smap *smap)
diff --git a/lib/smap.h b/lib/smap.h
index 8510a37..13eec1c 100644
--- a/lib/smap.h
+++ b/lib/smap.h
@@ -48,7 +48,8 @@ void smap_add_format(struct smap *, const char *key, const
char *, ...)
void smap_replace(struct smap *, const char *, const char *);
void smap_remove(struct smap *, const char *);
-void smap_remove_node(struct smap *smap, struct smap_node *);
+void smap_remove_node(struct smap *, struct smap_node *);
+char *smap_steal(struct smap *, struct smap_node *);
void smap_clear(struct smap *);
const char *smap_get(const struct smap *, const char *);
--
1.7.2.5
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