Fix CVE-2016-1531

[exim.git] / src / src / mytypes.h

diff --git a/src/src/mytypes.h b/src/src/mytypes.h
index d9912c4fffd9c3b684e3e67556c71d49fb620966..964abf820d92a3009208dc0e2a00aca231f86117 100644 (file)
--- a/src/src/mytypes.h
+++ b/src/src/mytypes.h
@@ -1,10 +1,8 @@
-/* $Cambridge: exim/src/src/mytypes.h,v 1.5 2008/09/29 11:41:07 nm4 Exp $ */
-
 /*************************************************
 *     Exim - an Internet mail transport agent    *
 *************************************************/
 
-/* Copyright (c) University of Cambridge 1995 - 2007 */
+/* Copyright (c) University of Cambridge 1995 - 2012 */
 /* See the file NOTICE for conditions of use and distribution. */
 
 
@@ -15,19 +13,34 @@ local_scan.h includes it and exim.h includes them both (to get this earlier). */
 #ifndef MYTYPES_H
 #define MYTYPES_H
 
-
+#ifndef FALSE
 #define FALSE         0
+#endif
+
+#ifndef TRUE
 #define TRUE          1
+#endif
+
+#ifndef TRUE_UNSET
 #define TRUE_UNSET    2
+#endif
 
 
 /* If gcc is being used to compile Exim, we can use its facility for checking
 the arguments of printf-like functions. This is done by a macro. */
 
-#ifdef __GNUC__
+#if defined(__GNUC__) || defined(__clang__)
 #define PRINTF_FUNCTION(A,B)  __attribute__((format(printf,A,B)))
+#define ARG_UNUSED  __attribute__((__unused__))
 #else
 #define PRINTF_FUNCTION(A,B)
+#define ARG_UNUSED  /**/
+#endif
+
+#ifdef WANT_DEEPER_PRINTF_CHECKS
+#define ALMOST_PRINTF(A, B) PRINTF_FUNCTION(A, B)
+#else
+#define ALMOST_PRINTF(A, B)
 #endif
 
 
@@ -35,8 +48,10 @@ the arguments of printf-like functions. This is done by a macro. */
 the standard header files, so we use "uschar". Solaris has u_char in
 sys/types.h. This is just a typing convenience, of course. */
 
-typedef int BOOL;
 typedef unsigned char uschar;
+typedef int BOOL;
+/* We also have SIGNAL_BOOL, which requires signal.h be included, so is defined
+elsewhere */
 
 
 /* These macros save typing for the casting that is needed to cope with the