Commit 6efb8779 authored Feb 07, 2017 by Ting-Yuan Huang

liblog: fix an undefined-behavor in __write_to_log_daemon()

The behavior of passing NULL to c-string functions is undefined.

Test: passed clang-tidy checks
Bug: none

Change-Id: Ie7bcc43cd19bc4a1c314381af3929eae0a6154b9

parent 8eb237ad

liblog/logger_write.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -343,7 +343,7 @@ static int __write_to_log_daemon(log_id_t log_id, struct iovec *vec, size_t nr)
		}
		}
		/* tag must be nul terminated */
		if (strnlen(tag, len) >= len) {
		if (tag && strnlen(tag, len) >= len) {
		tag = NULL;
		}