1 files changed, 91 insertions, 0 deletions
diff --git a/src/libstrongswan/utils/utils/string.c b/src/libstrongswan/utils/utils/string.c
new file mode 100644
index 000000000..14087e765
--- /dev/null
+++ b/src/libstrongswan/utils/utils/string.c
@@ -0,0 +1,91 @@
+/*
+ * Copyright (C) 2008-2014 Tobias Brunner
+ * Copyright (C) 2005-2008 Martin Willi
+ * Hochschule fuer Technik Rapperswil
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.  See <http://www.fsf.org/copyleft/gpl.txt>.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * for more details.
+ */
+
+#include <utils/utils.h>
+
+/**
+ * Described in header.
+ */
+char* translate(char *str, const char *from, const char *to)
+{
+	char *pos = str;
+	if (strlen(from) != strlen(to))
+	{
+		return str;
+	}
+	while (pos && *pos)
+	{
+		char *match;
+		if ((match = strchr(from, *pos)) != NULL)
+		{
+			*pos = to[match - from];
+		}
+		pos++;
+	}
+	return str;
+}
+
+/**
+ * Described in header.
+ */
+char* strreplace(const char *str, const char *search, const char *replace)
+{
+	size_t len, slen, rlen, count = 0;
+	char *res, *pos, *found, *dst;
+
+	if (!str || !*str || !search || !*search || !replace)
+	{
+		return (char*)str;
+	}
+	slen = strlen(search);
+	rlen = strlen(replace);
+	if (slen != rlen)
+	{
+		for (pos = (char*)str; (pos = strstr(pos, search)); pos += slen)
+		{
+			found = pos;
+			count++;
+		}
+		if (!count)
+		{
+			return (char*)str;
+		}
+		len = (found - str) + strlen(found) + count * (rlen - slen);
+	}
+	else
+	{
+		len = strlen(str);
+	}
+	found = strstr(str, search);
+	if (!found)
+	{
+		return (char*)str;
+	}
+	dst = res = malloc(len + 1);
+	pos = (char*)str;
+	do
+	{
+		len = found - pos;
+		memcpy(dst, pos, len);
+		dst += len;
+		memcpy(dst, replace, rlen);
+		dst += rlen;
+		pos = found + slen;
+	}
+	while ((found = strstr(pos, search)));
+	strcpy(dst, pos);
+	return res;
+}