1 files changed, 91 insertions, 0 deletions
diff --git a/contrib/sendmail/libsmutil/strl.c b/contrib/sendmail/libsmutil/strl.c
new file mode 100644
index 0000000..b0a7662
--- /dev/null
+++ b/contrib/sendmail/libsmutil/strl.c
@@ -0,0 +1,91 @@
+/*
+ * Copyright (c) 1999 Sendmail, 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.
+ *
+ */
+
+#ifndef lint
+static char id[] = "@(#)$Id: strl.c,v 8.5.14.1 2000/05/12 20:46:17 ca Exp $";
+#endif /* ! lint */
+
+#include <sendmail.h>
+
+#if !HASSTRL
+/*
+**  strlcpy -- copy string obeying length and '\0' terminate it
+**
+**		terminates with '\0' if len > 0
+**
+**	Parameters:
+**		dst -- "destination" string.
+**		src -- "from" string.
+**		len -- length of space available in "destination" string.
+**
+**	Returns:
+**		total length of the string tried to create (=strlen(src))
+**		if this is greater than len then an overflow would have
+**		occurred.
+*/
+
+size_t
+strlcpy(dst, src, len)
+	register char *dst;
+	register const char *src;
+	size_t len;
+{
+	register size_t i;
+
+	if (len-- <= 0)
+		return strlen(src);
+	for (i = 0; i < len && (dst[i] = src[i]) != 0; i++)
+		continue;
+	dst[i] = '\0';
+	if (src[i] == '\0')
+		return i;
+	else
+		return i + strlen(src + i);
+}
+/*
+**  strlcat -- catenate strings obeying length and '\0' terminate it
+**
+**		strlcat will append at most len - strlen(dst) - 1 chars.
+**		terminates with '\0' if len > 0
+**
+**	Parameters:
+**		dst -- "destination" string.
+**		src -- "from" string.
+**		len -- max. length of "destination" string.
+**
+**	Returns:
+**		total length of the string tried to create
+**		(= initial length of dst + length of src)
+**		if this is greater than len then an overflow would have
+**		occurred.
+*/
+
+size_t
+strlcat(dst, src, len)
+	register char *dst;
+	register const char *src;
+	size_t len;
+{
+	register size_t i, j, o;
+
+	o = strlen(dst);
+	if (len < o + 1)
+		return o + strlen(src);
+	len -= o + 1;
+	for (i = 0, j = o; i < len && (dst[j] = src[i]) != 0; i++, j++)
+		continue;
+	dst[j] = '\0';
+	if (src[i] == '\0')
+		return j;
+	else
+		return j + strlen(src + i);
+}
+
+#endif /* !HASSTRL */