--- libelwix/src/elwix.c	2015/06/25 17:53:50	1.7
+++ libelwix/src/elwix.c	2016/05/18 12:47:42	1.8
@@ -3,7 +3,7 @@
 *  by Michael Pounov <misho@elwix.org>
 *
 * $Author: misho $
-* $Id: elwix.c,v 1.7 2015/06/25 17:53:50 misho Exp $
+* $Id: elwix.c,v 1.8 2016/05/18 12:47:42 misho Exp $
 *
 **************************************************************************
 The ELWIX and AITNET software is distributed under the following
@@ -208,3 +208,71 @@ elwix_byteOrder()
 
 	return *(char*) &x;
 }
+
+#ifndef strlcpy
+/*
+ * Copy src to string dst of size siz.  At most siz-1 characters
+ * will be copied.  Always NUL terminates (unless siz == 0).
+ * Returns strlen(src); if retval >= siz, truncation occurred.
+ */
+size_t
+strlcpy(char *dst, const char *src, size_t siz)
+{
+	char *d = dst;
+	const char *s = src;
+	register size_t n = siz;
+
+	/* Copy as many bytes as will fit */
+	if (n)
+		while (--n)
+			if ((*d++ = *s++) == '\0')
+				break;
+
+	/* Not enough room in dst, add NUL and traverse rest of src */
+	if (!n) {
+		if (siz)
+			*d = '\0';	/* NUL-terminate dst */
+		while (*s++);
+	}
+
+	return (s - src - 1);	/* count does not include NUL */
+}
+#endif
+
+#ifndef strlcat
+/*
+ * Appends src to string dst of size siz (unlike strncat, siz is the
+ * full size of dst, not space left).  At most siz-1 characters
+ * will be copied.  Always NUL terminates (unless siz <= strlen(dst)).
+ * Returns strlen(src) + MIN(siz, strlen(initial dst)).
+ * If retval >= siz, truncation occurred.
+ */
+size_t
+strlcat(char *dst, const char *src, size_t siz)
+{
+	char *d = dst;
+	const char *s = src;
+	register size_t n = siz;
+	size_t dlen;
+
+	/* Find the end of dst and adjust bytes left but don't go past end */
+	while (n-- && *d != '\0')
+		d++;
+
+	dlen = d - dst;
+	n = siz - dlen;
+	if (!n)
+		return (dlen + strlen(s));
+
+	while (*s != '\0') {
+		if (n != 1) {
+			*d++ = *s;
+			n--;
+		}
+		s++;
+	}
+	*d = '\0';
+
+	return (dlen + (s - src));	/* count does not include NUL */
+}
+#endif