Since PuTTY depends on lots of features of System 7, have it bale out if

it finds itself running on anything older.  This is better than killing the
whole system with an umimplemented trap.

git-svn-id: svn://svn.tartarus.org/sgt/putty@2300 cda61777-01e9-0310-a592-d414129be87e

diff --git a/mac/mac.c b/mac/mac.c
index f931faf..5083cdd 100644 (file)
--- a/mac/mac.c
+++ b/mac/mac.c
@@ -1,4 +1,4 @@
-/* $Id: mac.c,v 1.5 2002/12/06 00:09:34 ben Exp $ */
+/* $Id: mac.c,v 1.6 2002/12/10 01:11:40 ben Exp $ */
 /*
  * Copyright (c) 1999 Ben Harris
  * All rights reserved.
@@ -117,6 +117,11 @@ static void mac_startup(void) {
     InitDialogs(nil);
     cold = 0;
     
+    /* Get base system version (only used if there's no better selector) */
+    if (Gestalt(gestaltSystemVersion, &mac_gestalts.sysvers) != noErr ||
+       (mac_gestalts.sysvers & 0xffff) < 0x700)
+       fatalbox("PuTTY requires System 7 or newer");
+    mac_gestalts.sysvers &= 0xffff;
     /* Find out if we've got Color Quickdraw */
     if (Gestalt(gestaltQuickdrawVersion, &mac_gestalts.qdvers) != noErr)
        mac_gestalts.qdvers = gestaltOriginalQD;

diff --git a/mac/mac.h b/mac/mac.h
index 8554021..2e4c267 100644 (file)
--- a/mac/mac.h
+++ b/mac/mac.h
@@ -12,6 +12,7 @@
 #include <Palettes.h>
 
 struct mac_gestalts {
+    long sysvers;
     long qdvers;
     long apprvers;
     long cntlattr;