* Exim - an Internet mail transport agent *
*************************************************/
-/* Copyright (c) University of Cambridge 1995 - 2015 */
+/* Copyright (c) University of Cambridge 1995 - 2018 */
/* See the file NOTICE for conditions of use and distribution. */
the arguments of printf-like functions. This is done by a macro. */
#if defined(__GNUC__) || defined(__clang__)
-# define PRINTF_FUNCTION(A,B) __attribute__((format(printf,A,B)))
-# define ARG_UNUSED __attribute__((__unused__))
+# define PRINTF_FUNCTION(A,B) __attribute__((format(printf,A,B)))
+# define ARG_UNUSED __attribute__((__unused__))
+# define WARN_UNUSED_RESULT __attribute__((__warn_unused_result__))
#else
# define PRINTF_FUNCTION(A,B)
# define ARG_UNUSED /**/
+# define WARN_UNUSED_RESULT /**/
#endif
#ifdef WANT_DEEPER_PRINTF_CHECKS
#define Uatol(s) atol(CCS(s))
#define Uchdir(s) chdir(CCS(s))
#define Uchmod(s,n) chmod(CCS(s),n)
-#define Uchown(s,n,m) chown(CCS(s),n,m)
#define Ufgets(b,n,f) fgets(CS(b),n,f)
#define Ufopen(s,t) fopen(CCS(s),CCS(t))
#define Ulink(s,t) link(CCS(s),CCS(t))