1 files changed, 143 insertions, 0 deletions
diff --git a/src/roms/SLOF/clients/net-snk/app/netapps/args.c b/src/roms/SLOF/clients/net-snk/app/netapps/args.c
new file mode 100644
index 0000000..52215e6
--- /dev/null
+++ b/src/roms/SLOF/clients/net-snk/app/netapps/args.c
@@ -0,0 +1,143 @@
+/******************************************************************************
+ * Copyright (c) 2004, 2008 IBM Corporation
+ * All rights reserved.
+ * This program and the accompanying materials
+ * are made available under the terms of the BSD License
+ * which accompanies this distribution, and is available at
+ * http://www.opensource.org/licenses/bsd-license.php
+ *
+ * Contributors:
+ *     IBM Corporation - initial implementation
+ *****************************************************************************/
+
+#include <stdint.h>
+#include <ctype.h>
+#include <stdlib.h>
+#include <string.h>
+#include "args.h"
+
+/**
+ * Returns pointer of the n'th argument within a string.
+ *
+ * @param  arg_str    string with arguments, separated with ','
+ * @param  index      index of the requested arguments within arg_str
+ * @return            pointer of argument[index] on success
+ *                    NULL if index is out of range
+ */
+const char *
+get_arg_ptr(const char *arg_str, unsigned int index)
+{
+	unsigned int i;
+
+	for (i = 0; i < index; ++i) {
+		for (; *arg_str != ',' && *arg_str != 0; ++arg_str);
+		if (*arg_str == 0)
+			return 0;
+		++arg_str;
+	}
+	return arg_str;
+}
+
+/**
+ * Returns number of arguments within a string.
+ *
+ * @param  arg_str    string with arguments, separated with ','
+ * @return            number of arguments
+ */
+unsigned int
+get_args_count(const char *arg_str)
+{
+	unsigned int count = 1;
+
+	while ((arg_str = get_arg_ptr(arg_str, 1)) != 0)
+		++count;
+	return count;
+}
+
+/**
+ * Returns the length of the first argument.
+ *
+ * @param  arg_str    string with arguments, separated with ','
+ * @return            length of first argument
+ */
+unsigned int
+get_arg_length(const char *arg_str)
+{
+	unsigned int i;
+
+	for (i = 0; *arg_str != ',' && *arg_str != 0; ++i)
+		++arg_str;
+	return i;
+}
+
+/**
+ * Copy the n'th argument within a string into a buffer in respect
+ * to a limited buffer size
+ *
+ * @param  arg_str    string with arguments, separated with ','
+ * @param  index      index of the requested arguments within arg_str
+ * @param  buffer     pointer to the buffer
+ * @param  length     size of the buffer
+ * @return            pointer of buffer on success
+ *                    NULL if index is out of range.
+ */
+char *
+argncpy(const char *arg_str, unsigned int index, char *buffer,
+	unsigned int length)
+{
+	const char *ptr = get_arg_ptr(arg_str, index);
+	unsigned int len;
+
+	if (!ptr)
+		return 0;
+	len = get_arg_length(ptr);
+	if (!strncpy(buffer, ptr, length))
+		return 0;
+	buffer[len] = 0;
+	return buffer;
+}
+
+/**
+ * Converts "255.255.255.255" -> char[4] = { 0xff, 0xff, 0xff, 0xff }
+ *
+ * @param  str        string to be converted
+ * @param  ip         in case of SUCCESS - 32-bit long IP
+                      in case of FAULT - zero
+ * @return            TRUE - IP converted successfully;
+ *                    FALSE - error condition occurs (e.g. bad format)
+ */
+int
+strtoip(const char *str, char ip[4])
+{
+	char octet[10];
+	int res;
+	unsigned int i = 0, len;
+
+	while (*str != 0) {
+		if (i > 3 || !isdigit(*str))
+			return 0;
+		if (strstr(str, ".") != NULL) {
+			len = (int16_t) (strstr(str, ".") - str);
+			if (len >= 10)
+				return 0;
+			strncpy(octet, str, len);
+			octet[len] = 0;
+			str += len;
+		} else {
+			strncpy(octet, str, 9);
+			octet[9] = 0;
+			str += strlen(octet);
+		}
+		res = strtol(octet, NULL, 10);
+		if ((res > 255) || (res < 0))
+			return 0;
+		ip[i] = (char) res;
+		i++;
+		if (*str == '.')
+			str++;
+	}
+
+	if (i != 4)
+		return 0;
+	return -1;
+}