diff options
author | Russell Bryant <rbryant@redhat.com> | 2015-07-31 13:14:40 -0400 |
---|---|---|
committer | Ben Pfaff <blp@nicira.com> | 2015-07-31 15:26:31 -0700 |
commit | 7962b7f0168ef7d041ff820d66553b30b15b106f (patch) | |
tree | f8aa858c26cf8c8cda6b61e32b66398615c7e67e /lib | |
parent | 29bae5412ea3c6a1e20d79afd25c11b968dffa05 (diff) | |
download | openvswitch-7962b7f0168ef7d041ff820d66553b30b15b106f.tar.gz |
smap: Add smap_equal().
Add a method to determine of two smaps are equal (have the exact same
set of key-value pairs).
Suggested-by: Ben Pfaff <blp@nicira.com>
Signed-off-by: Russell Bryant <rbryant@redhat.com>
Signed-off-by: Ben Pfaff <blp@nicira.com>
Diffstat (limited to 'lib')
-rw-r--r-- | lib/smap.c | 20 | ||||
-rw-r--r-- | lib/smap.h | 2 |
2 files changed, 22 insertions, 0 deletions
diff --git a/lib/smap.c b/lib/smap.c index 7fe3ce41c..8865a8898 100644 --- a/lib/smap.c +++ b/lib/smap.c @@ -302,6 +302,26 @@ smap_to_json(const struct smap *smap) } return json; } + +/* Returns true if the two maps are equal, meaning that they have the same set + * of key-value pairs. + */ +bool +smap_equal(const struct smap *smap1, const struct smap *smap2) +{ + if (smap_count(smap1) != smap_count(smap2)) { + return false; + } + + const struct smap_node *node; + SMAP_FOR_EACH (node, smap1) { + const char *value2 = smap_get(smap2, node->key); + if (!value2 || strcmp(node->value, value2)) { + return false; + } + } + return true; +} /* Private Helpers. */ diff --git a/lib/smap.h b/lib/smap.h index caf3efcac..cac387899 100644 --- a/lib/smap.h +++ b/lib/smap.h @@ -67,4 +67,6 @@ const struct smap_node **smap_sort(const struct smap *); void smap_from_json(struct smap *, const struct json *); struct json *smap_to_json(const struct smap *); +bool smap_equal(const struct smap *, const struct smap *); + #endif /* smap.h */ |