X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=lib%2Flibrte_kvargs%2Frte_kvargs.h;h=fc041956edb67caf5c9598f8153743deb5d9c250;hb=c115fd000c32feda84cc9e47dc8e1420d01da4c2;hp=ef4efabfb50ea6227259d05d6d11941a0299e320;hpb=a8b97e3a1db0a9366d58811411b904e4fef8160f;p=dpdk.git

diff --git a/lib/librte_kvargs/rte_kvargs.h b/lib/librte_kvargs/rte_kvargs.h
index ef4efabfb5..fc041956ed 100644
--- a/lib/librte_kvargs/rte_kvargs.h
+++ b/lib/librte_kvargs/rte_kvargs.h
@@ -1,35 +1,6 @@
-/*-
- *   BSD LICENSE
- *
- *   Copyright(c) 2010-2013 Intel Corporation. All rights reserved.
- *   Copyright(c) 2014 6WIND S.A.
- *   All rights reserved.
- *
- *   Redistribution and use in source and binary forms, with or without
- *   modification, are permitted provided that the following conditions
- *   are met:
- *
- *     * Redistributions of source code must retain the above copyright
- *       notice, this list of conditions and the following disclaimer.
- *     * Redistributions in binary form must reproduce the above copyright
- *       notice, this list of conditions and the following disclaimer in
- *       the documentation and/or other materials provided with the
- *       distribution.
- *     * Neither the name of Intel Corporation nor the names of its
- *       contributors may be used to endorse or promote products derived
- *       from this software without specific prior written permission.
- *
- *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- *   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- *   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- *   OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- *   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- *   LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- *   DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- *   THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- *   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2010-2013 Intel Corporation.
+ * Copyright(c) 2014 6WIND S.A.
  */
 
 #ifndef _RTE_KVARGS_H_
@@ -54,6 +25,8 @@
 extern "C" {
 #endif
 
+#include <rte_compat.h>
+
 /** Maximum number of key/value associations */
 #define RTE_KVARGS_MAX 32
 
@@ -97,7 +70,38 @@ struct rte_kvargs {
  *   - A pointer to an allocated rte_kvargs structure on success
  *   - NULL on error
  */
-struct rte_kvargs *rte_kvargs_parse(const char *args, const char *valid_keys[]);
+struct rte_kvargs *rte_kvargs_parse(const char *args,
+		const char *const valid_keys[]);
+
+/**
+ * Allocate a rte_kvargs and store key/value associations from a string.
+ * This version will consider any byte from valid_ends as a possible
+ * terminating character, and will not parse beyond any of their occurrence.
+ *
+ * The function allocates and fills an rte_kvargs structure from a given
+ * string whose format is key1=value1,key2=value2,...
+ *
+ * The structure can be freed with rte_kvargs_free().
+ *
+ * @param args
+ *   The input string containing the key/value associations
+ *
+ * @param valid_keys
+ *   A list of valid keys (table of const char *, the last must be NULL).
+ *   This argument is ignored if NULL
+ *
+ * @param valid_ends
+ *   Acceptable terminating characters.
+ *   If NULL, the behavior is the same as ``rte_kvargs_parse``.
+ *
+ * @return
+ *   - A pointer to an allocated rte_kvargs structure on success
+ *   - NULL on error
+ */
+__rte_experimental
+struct rte_kvargs *rte_kvargs_parse_delim(const char *args,
+		const char *const valid_keys[],
+		const char *valid_ends);
 
 /**
  * Free a rte_kvargs structure
@@ -115,7 +119,8 @@ 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
@@ -148,6 +153,32 @@ int rte_kvargs_process(const struct rte_kvargs *kvlist,
 unsigned rte_kvargs_count(const struct rte_kvargs *kvlist,
 	const char *key_match);
 
+/**
+ * Generic kvarg handler for string comparison.
+ *
+ * This function can be used for a generic string comparison processing
+ * on a list of kvargs.
+ *
+ * @param key
+ *   kvarg pair key.
+ *
+ * @param value
+ *   kvarg pair value.
+ *
+ * @param opaque
+ *   Opaque pointer to a string.
+ *
+ * @return
+ *   0 if the strings match.
+ *   !0 otherwise or on error.
+ *
+ *   Unless strcmp, comparison ordering is not kept.
+ *   In order for rte_kvargs_process to stop processing on match error,
+ *   a negative value is returned even if strcmp had returned a positive one.
+ */
+__rte_experimental
+int rte_kvargs_strcmp(const char *key, const char *value, void *opaque);
+
 #ifdef __cplusplus
 }
 #endif