mbuf: add a copy routine

[dpdk.git] / app / test / test_string_fns.c

diff --git a/app/test/test_string_fns.c b/app/test/test_string_fns.c
index 39e6a9d..5e105d2 100644 (file)
--- a/app/test/test_string_fns.c
+++ b/app/test/test_string_fns.c
@@ -1,34 +1,5 @@
-/*-
- *   BSD LICENSE
- *
- *   Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
- *   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) 2010-2014 Intel Corporation
  */
 
 #include <stdio.h>
@@ -158,16 +129,57 @@ test_rte_strsplit(void)
        return 0;
 }
 
+static int
+test_rte_strlcat(void)
+{
+       /* only run actual unit tests if we have system-provided strlcat */
+#if defined(__BSD_VISIBLE) || defined(RTE_USE_LIBBSD)
+#define BUF_LEN 32
+       const char dst[BUF_LEN] = "Test string";
+       const char src[] = " appended";
+       char bsd_dst[BUF_LEN];
+       char rte_dst[BUF_LEN];
+       size_t i, bsd_ret, rte_ret;
+
+       LOG("dst = '%s', strlen(dst) = %zu\n", dst, strlen(dst));
+       LOG("src = '%s', strlen(src) = %zu\n", src, strlen(src));
+       LOG("---\n");
+
+       for (i = 0; i < BUF_LEN; i++) {
+               /* initialize destination buffers */
+               memcpy(bsd_dst, dst, BUF_LEN);
+               memcpy(rte_dst, dst, BUF_LEN);
+               /* compare implementations */
+               bsd_ret = strlcat(bsd_dst, src, i);
+               rte_ret = rte_strlcat(rte_dst, src, i);
+               if (bsd_ret != rte_ret) {
+                       LOG("Incorrect retval for buf length = %zu\n", i);
+                       LOG("BSD: '%zu', rte: '%zu'\n", bsd_ret, rte_ret);
+                       return -1;
+               }
+               if (memcmp(bsd_dst, rte_dst, BUF_LEN) != 0) {
+                       LOG("Resulting buffers don't match\n");
+                       LOG("BSD: '%s', rte: '%s'\n", bsd_dst, rte_dst);
+                       return -1;
+               }
+               LOG("buffer size = %zu: dst = '%s', ret = %zu\n",
+                       i, rte_dst, rte_ret);
+       }
+       LOG("Checked %zu combinations\n", i);
+#undef BUF_LEN
+#endif /* defined(__BSD_VISIBLE) || defined(RTE_USE_LIBBSD) */
+
+       return 0;
+}
+
 static int
 test_string_fns(void)
 {
        if (test_rte_strsplit() < 0)
                return -1;
+       if (test_rte_strlcat() < 0)
+               return -1;
        return 0;
 }
 
-static struct test_command string_cmd = {
-       .command = "string_autotest",
-       .callback = test_string_fns,
-};
-REGISTER_TEST_COMMAND(string_cmd);
+REGISTER_TEST_COMMAND(string_autotest, test_string_fns);