kvargs: new function to get from key and value

[dpdk.git] / lib / kvargs / rte_kvargs.c

diff --git a/lib/kvargs/rte_kvargs.c b/lib/kvargs/rte_kvargs.c
index 38e9d5c..20abb23 100644 (file)
--- a/lib/kvargs/rte_kvargs.c
+++ b/lib/kvargs/rte_kvargs.c
@@ -204,21 +204,34 @@ rte_kvargs_free(struct rte_kvargs *kvlist)
        free(kvlist);
 }
 
-/* Lookup a value in an rte_kvargs list by its key. */
+/* Lookup a value in an rte_kvargs list by its key and value. */
 const char *
-rte_kvargs_get(const struct rte_kvargs *kvlist, const char *key)
+rte_kvargs_get_with_value(const struct rte_kvargs *kvlist, const char *key,
+                         const char *value)
 {
        unsigned int i;
 
-       if (kvlist == NULL || key == NULL)
+       if (kvlist == NULL)
                return NULL;
        for (i = 0; i < kvlist->count; ++i) {
-               if (strcmp(kvlist->pairs[i].key, key) == 0)
-                       return kvlist->pairs[i].value;
+               if (key != NULL && strcmp(kvlist->pairs[i].key, key) != 0)
+                       continue;
+               if (value != NULL && strcmp(kvlist->pairs[i].value, value) != 0)
+                       continue;
+               return kvlist->pairs[i].value;
        }
        return NULL;
 }
 
+/* Lookup a value in an rte_kvargs list by its key. */
+const char *
+rte_kvargs_get(const struct rte_kvargs *kvlist, const char *key)
+{
+       if (kvlist == NULL || key == NULL)
+               return NULL;
+       return rte_kvargs_get_with_value(kvlist, key, NULL);
+}
+
 /*
  * Parse the arguments "key=value,key=value,..." string and return
  * an allocated structure that contains a key/value list. Also