1 files changed, 43 insertions, 0 deletions
diff --git a/contrib/sendmail/libsm/xleni.c b/contrib/sendmail/libsm/xleni.c
new file mode 100644
index 000000000000..3d0b9d94d24e
--- /dev/null
+++ b/contrib/sendmail/libsm/xleni.c
@@ -0,0 +1,43 @@
+/*
+ * Copyright (c) 2020 Proofpoint, Inc. and its suppliers.
+ *	All rights reserved.
+ *
+ * By using this file, you agree to the terms and conditions set
+ * forth in the LICENSE file which can be found at the top level of
+ * the sendmail distribution.
+ *
+ */
+
+#include <sm/gen.h>
+#include <sm/sendmail.h>
+#include <sm/ixlen.h>
+
+#if _FFR_8BITENVADDR
+/*
+**  XLENI -- determine the 'i'internal length of a string in e'x'ternal format
+**
+**	Parameters:
+**		str -- string [x]
+**
+**	Returns:
+**		'i'internal length of a string in e'x'ternal format
+*/
+
+int
+xleni(str)
+	const char *str;
+{
+	char c;
+	int idx, ilen;
+
+	if (NULL == str)
+		return -1;
+	for (ilen = 0, idx = 0; (c = str[idx]) != '\0'; ilen++, idx++)
+	{
+		if (SM_MM_QUOTE(c))
+			ilen++;
+	}
+
+	return ilen;
+}
+#endif /* _FFR_8BITENVADDR */