Imported Upstream version 16.04

[deb_dpdk.git] / lib / librte_eal / common / eal_common_string_fns.c

diff --git a/lib/librte_eal/common/eal_common_string_fns.c b/lib/librte_eal/common/eal_common_string_fns.c
new file mode 100644 (file)
index 0000000..125a3e2
--- /dev/null
+++ b/lib/librte_eal/common/eal_common_string_fns.c
@@ -0,0 +1,69 @@
+/*-
+ *   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.
+ */
+
+#include <string.h>
+#include <stdio.h>
+#include <stdarg.h>
+#include <errno.h>
+
+#include <rte_string_fns.h>
+
+/* split string into tokens */
+int
+rte_strsplit(char *string, int stringlen,
+            char **tokens, int maxtokens, char delim)
+{
+       int i, tok = 0;
+       int tokstart = 1; /* first token is right at start of string */
+
+       if (string == NULL || tokens == NULL)
+               goto einval_error;
+
+       for (i = 0; i < stringlen; i++) {
+               if (string[i] == '\0' || tok >= maxtokens)
+                       break;
+               if (tokstart) {
+                       tokstart = 0;
+                       tokens[tok++] = &string[i];
+               }
+               if (string[i] == delim) {
+                       string[i] = '\0';
+                       tokstart = 1;
+               }
+       }
+       return tok;
+
+einval_error:
+       errno = EINVAL;
+       return -1;
+}