doc: whitespace changes in licenses

[dpdk.git] / lib / librte_cmdline / cmdline_parse_portlist.c

diff --git a/lib/librte_cmdline/cmdline_parse_portlist.c b/lib/librte_cmdline/cmdline_parse_portlist.c
index 9fa619d..6989d8d 100644 (file)
--- a/lib/librte_cmdline/cmdline_parse_portlist.c
+++ b/lib/librte_cmdline/cmdline_parse_portlist.c
@@ -1,35 +1,34 @@
 /*-
  *   BSD LICENSE
  * 
- *   Copyright(c) 2010-2012 Intel Corporation. All rights reserved.
+ *   Copyright(c) 2010-2013 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 
+ *   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 
+ *     * 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 
+ *     * 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 
+ *     * 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 
+ *   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.
- * 
  */
 
 /*
@@ -136,11 +135,13 @@ cmdline_parse_portlist(__attribute__((unused)) cmdline_parse_token_hdr_t *tk,
 {
        unsigned int token_len = 0;
        char portlist_str[PORTLIST_TOKEN_SIZE+1];
-       cmdline_portlist_t *pl = res;
+       cmdline_portlist_t *pl;
 
-       if (! *buf)
+       if (!buf || ! *buf)
                return (-1);
 
+       pl = res;
+
        while (!cmdline_isendoftoken(buf[token_len]) &&
            (token_len < PORTLIST_TOKEN_SIZE))
                token_len++;
@@ -148,24 +149,26 @@ cmdline_parse_portlist(__attribute__((unused)) cmdline_parse_token_hdr_t *tk,
        if (token_len >= PORTLIST_TOKEN_SIZE)
                return (-1);
 
-       if (pl == NULL)
-               return (token_len);
-
        rte_snprintf(portlist_str, token_len+1, "%s", buf);
 
-       pl->map = 0;
-       if (strcmp("all", portlist_str) == 0)
-               pl->map = UINT32_MAX;
-       else if (parse_ports(pl, portlist_str) != 0)
-               return (-1);
+       if (pl) {
+               pl->map = 0;
+               if (strcmp("all", portlist_str) == 0)
+                       pl->map = UINT32_MAX;
+               else if (parse_ports(pl, portlist_str) != 0)
+                       return (-1);
+       }
 
        return token_len;
 }
 
-int cmdline_get_help_portlist(cmdline_parse_token_hdr_t *tk, char *dstbuf,
-                           unsigned int size)
+int
+cmdline_get_help_portlist(__attribute__((unused)) cmdline_parse_token_hdr_t *tk,
+               char *dstbuf, unsigned int size)
 {
-       (void)tk;
-       rte_snprintf(dstbuf, size, "range of ports as 3,4-6,8-19,20");
+       int ret;
+       ret = rte_snprintf(dstbuf, size, "range of ports as 3,4-6,8-19,20");
+       if (ret < 0)
+               return -1;
        return 0;
 }