+/*
+ * lttng_strncpy returns 0 on success, or nonzero on failure.
+ * It checks that the @src string fits into @dst_len before performing
+ * the copy. On failure, no copy has been performed.
+ *
+ * dst_len includes the string's trailing NULL.
+ */
+static inline
+int lttng_strncpy(char *dst, const char *src, size_t dst_len)
+{
+ if (lttng_strnlen(src, dst_len) == dst_len) {
+ /* Fail since copying would result in truncation. */
+ return -1;
+ }
+ strncpy(dst, src, dst_len);
+ /*
+ * Be extra careful and put final \0 at the end after strncpy(),
+ * even though we checked the length before. This makes Coverity
+ * happy.
+ */
+ dst[dst_len - 1] = '\0';
+ return 0;
+}
+