From a45db08b92bac87d83890767c2216a8cbdf0a3f7 Mon Sep 17 00:00:00 2001
From: "A. Wilcox" <AWilcox@Wilcox-Tech.com>
Date: Wed, 8 Feb 2017 04:14:26 +0000
Subject: string: Add __strcat_chk and __strncpy_chk

---
 string.c | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/string.c b/string.c
index e50716a..9a1cb60 100644
--- a/string.c
+++ b/string.c
@@ -26,6 +26,22 @@ char *__strncat_chk(char *dest, const char *src, size_t n, size_t destlen)
 	return strncat(dest, src, n);
 }
 
+/* "Checked" strcat */
+char *__strcat_chk(char *dest, const char *src, size_t destlen)
+{
+	return strncat(dest, src, destlen - 1);
+}
+
+/* "Checked" strncpy */
+char *__strncpy_chk(char *dest, const char *src, size_t n, size_t destlen)
+{
+	assert(dest != NULL);
+	assert(src != NULL);
+	assert(strlen(src) < destlen);
+
+	return strncpy(dest, src, n);
+}
+
 /* "Checked" strcpy */
 char *__strcpy_chk(char *dest, const char *src, size_t destlen)
 {
-- 
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