From 4f6d63ce05974551285850b6a1dc0c72dcd83e83 Mon Sep 17 00:00:00 2001
From: Peter Hutterer <peter.hutterer@who-t.net>
Date: Tue, 25 Aug 2015 10:35:24 +1000
Subject: [PATCH] Add a strncpy_safe() utility function

Does strncpy, but guarantees that the string is null-terminated.

Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
---
 src/libratbag-util.h | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/src/libratbag-util.h b/src/libratbag-util.h
index 93897c60..ad9640b0 100644
--- a/src/libratbag-util.h
+++ b/src/libratbag-util.h
@@ -25,6 +25,7 @@
 #define LIBRATBAG_UTIL_H
 
 #include <stdlib.h>
+#include <string.h>
 #include <unistd.h>
 #include <libudev.h>
 
@@ -78,6 +79,14 @@ int list_empty(const struct list *list);
 #define streq(s1, s2) (strcmp((s1), (s2)) == 0)
 #define strneq(s1, s2, n) (strncmp((s1), (s2), (n)) == 0)
 
+static inline char*
+strncpy_safe(char *dest, const char *src, size_t n)
+{
+	strncpy(dest, src, n);
+	dest[n - 1] = '\0';
+	return dest;
+}
+
 #define LIBRATBAG_EXPORT __attribute__ ((visibility("default")))
 
 static inline void *