From 566cab9427e5d6ce8bdff82d911ec76662ca7927 Mon Sep 17 00:00:00 2001
From: "Eric S. Raymond" <esr@thyrsus.com>
Date: Tue, 10 Jun 1997 21:32:47 +0000
Subject: Guarantee that we can deduce a 32-bit type.

svn path=/trunk/; revision=1079
---
 acconfig.h   |  5 +++++
 configure.in |  4 ++++
 imap.c       | 12 ++++++++++--
 3 files changed, 19 insertions(+), 2 deletions(-)

diff --git a/acconfig.h b/acconfig.h
index 21a38dfa..d416b9a7 100644
--- a/acconfig.h
+++ b/acconfig.h
@@ -41,6 +41,11 @@
 /* Define if you have atexit */
 #undef HAVE_ATEXIT
 
+/* Define to help us deduce a 32-bit type (required for Kerberos) */
+#undef SIZEOF_INT
+#undef SIZEOF_SHORT
+#undef SIZEOF_LONG
+
 
 /* Leave that blank line there!!  Autoheader needs it.
    If you're adding to this file, keep in mind:
diff --git a/configure.in b/configure.in
index 46e6214c..4398fa4c 100644
--- a/configure.in
+++ b/configure.in
@@ -127,6 +127,10 @@ AC_TRY_LINK([#include <signal.h>
   [AC_DEFINE(SYS_SIGLIST_DECLARED) AC_MSG_RESULT(yes)],
   AC_MSG_RESULT(no))
 
+AC_CHECK_SIZEOF(short)
+AC_CHECK_SIZEOF(int)
+AC_CHECK_SIZEOF(long)
+
 AC_OUTPUT(Makefile, [
 # Makefile uses this timestamp file to know when to remake Makefile,
 # build.sh, and glob/Makefile.
diff --git a/imap.c b/imap.c
index a593039f..276cf46d 100644
--- a/imap.c
+++ b/imap.c
@@ -95,7 +95,15 @@ int imap_ok (int sock,  char *argbuf)
 }
 
 #ifdef KERBEROS_V4
-#include <sys/types.h>
+#if SIZEOF_INT = 4
+typedef	int32	int;
+#elif SIZEOF_SHORT = 4
+typedef	int32	short;
+#elif SIZEOF_LONG = 4
+typedef	int32	long;
+#else
+#error Cannot deduce a 32-bit-type
+#endif
 
 static int do_rfc1731(int sock, struct query *ctl, char *buf)
 /* authenticate as per RFC1731 -- note 32-bit integer requirement here */
@@ -103,7 +111,7 @@ static int do_rfc1731(int sock, struct query *ctl, char *buf)
     int result = 0, len;
     char buf1[4096], buf2[4096];
     union {
-      u_int32_t cint;
+      int32 cint;
       char cstr[4];
     } challenge1, challenge2;
     char srvinst[INST_SZ];
-- 
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