X-Git-Url: https://git.exim.org/exim.git/blobdiff_plain/e5a9dba621b4301bfbe2bc05576ddc5ec752b1b5..ade4247855998c3d344382b9bb2a13ff0c5a8921:/src/src/exim.h

diff --git a/src/src/exim.h b/src/src/exim.h
index 9bc15cecb..476473395 100644
--- a/src/src/exim.h
+++ b/src/src/exim.h
@@ -1,4 +1,4 @@
-/* $Cambridge: exim/src/src/exim.h,v 1.12 2005/05/10 10:19:11 ph10 Exp $ */
+/* $Cambridge: exim/src/src/exim.h,v 1.16 2005/06/27 10:52:20 ph10 Exp $ */
 
 /*************************************************
 *     Exim - an Internet mail transport agent    *
@@ -49,6 +49,7 @@ making unique names. */
 
 #include <ctype.h>
 #include <locale.h>
+#include <math.h>
 #include <signal.h>
 #include <stdarg.h>
 #include <stddef.h>
@@ -92,7 +93,9 @@ making unique names. */
 #include <sys/file.h>
 #include <dirent.h>
 #include <netdb.h>
+#ifndef NO_POLL_H
 #include <poll.h>
+#endif
 #include <pwd.h>
 #include <grp.h>
 #include <syslog.h>
@@ -218,23 +221,19 @@ or a macro with entries f_frsize and f_bsize. */
 #include <fcntl.h>
 
 /* There's a shambles in IRIX6 - it defines EX_OK in unistd.h which conflicts
-with the definition in sysexits.h. Arrange to preserve it, even though at
-present Exim doesn't actually use it. */
+with the definition in sysexits.h. Exim does not actually use this macro, so we
+just undefine it. It would be nice to be able to re-instate the definition from
+sysexits.h if there is no definition in unistd.h, but I do not think there is a
+way to do this in C because macro definitions are not scanned for other macros
+at definition time. [The code here used to assume they were, until I was
+disabused of the notion. Luckily, since EX_OK is not used, it didn't matter.] */
 
 #ifdef EX_OK
-#define SAVE_EX_OK EX_OK
 #undef EX_OK
 #endif
 
 #include <unistd.h>
 
-#ifdef SAVE_EX_OK
-#ifdef EX_OK
-#undef EX_OK
-#endif
-#define EX_OK SAVE_EX_OK
-#endif
-
 #include <utime.h>
 #ifndef NO_NET_IF_H
 #include <net/if.h>
@@ -280,6 +279,31 @@ header files. I don't suppose they have T_SRV either. */
 #define T_SRV 33
 #endif
 
+/* It seems that some versions of arpa/nameser.h don't define *any* of the
+T_xxx macros, which seem to be non-standard nowadays. Just to be on the safe
+side, put in definitions for all the ones that Exim uses. */
+
+#ifndef T_A
+#define T_A 1
+#endif
+
+#ifndef T_CNAME
+#define T_CNAME 5
+#endif
+
+#ifndef T_MX
+#define T_MX 15
+#endif
+
+#ifndef T_NS
+#define T_NS 2
+#endif
+
+#ifndef T_PTR
+#define T_PTR 12
+#endif
+
+
 /* We define a few private types for special DNS lookups:
 
  . T_ZNS gets the nameservers of the enclosing zone of a domain