eal: revert C++ app build fix

[dpdk.git] / lib / librte_kvargs / rte_kvargs.h

diff --git a/lib/librte_kvargs/rte_kvargs.h b/lib/librte_kvargs/rte_kvargs.h
index 98b8a7c..ae9ae79 100644 (file)
--- a/lib/librte_kvargs/rte_kvargs.h
+++ b/lib/librte_kvargs/rte_kvargs.h
@@ -40,7 +40,7 @@
  * RTE Argument parsing
  *
  * This module can be used to parse arguments whose format is
- * key1=value1;key2=value2;key3=value3;...
+ * key1=value1,key2=value2,key3=value3,...
  *
  * The same key can appear several times with the same or a different
  * value. Indeed, the arguments are stored as a list of key/values
@@ -58,13 +58,13 @@ extern "C" {
 #define RTE_KVARGS_MAX 32
 
 /** separator character used between each pair */
-#define RTE_KVARGS_PAIRS_DELIM ";"
+#define RTE_KVARGS_PAIRS_DELIM ","
 
 /** separator character used between key and value */
 #define RTE_KVARGS_KV_DELIM    "="
 
 /** Type of callback function used by rte_kvargs_process() */
-typedef int (*arg_handler_t)(const char *value, void *opaque);
+typedef int (*arg_handler_t)(const char *key, const char *value, void *opaque);
 
 /** A key/value association */
 struct rte_kvargs_pair {
@@ -83,7 +83,7 @@ struct rte_kvargs {
  * Allocate a rte_kvargs and store key/value associations from a string
  *
  * The function allocates and fills a rte_kvargs structure from a given
- * string whose format is key1=value1;key2=value2;...
+ * string whose format is key1=value1,key2=value2,...
  *
  * The structure can be freed with rte_kvargs_free().
  *
@@ -115,12 +115,14 @@ void rte_kvargs_free(struct rte_kvargs *kvlist);
  *
  * For each key/value association that matches the given key, calls the
  * handler function with the for a given arg_name passing the value on the
- * dictionary for that key and a given extra argument.
+ * dictionary for that key and a given extra argument. If *kvlist* is NULL
+ * function does nothing.
  *
  * @param kvlist
  *   The rte_kvargs structure
  * @param key_match
- *   The key on which the handler should be called
+ *   The key on which the handler should be called, or NULL to process handler
+ *   on all associations
  * @param handler
  *   The function to call for each matching key
  * @param opaque_arg
@@ -139,7 +141,7 @@ int rte_kvargs_process(const struct rte_kvargs *kvlist,
  * @param kvlist
  *   The rte_kvargs structure
  * @param key_match
- *   The key that should match
+ *   The key that should match, or NULL to count all associations
 
  * @return
  *   The number of entries