From 29c099fe567f9396cbf30f9298fe3c8657097d8b Mon Sep 17 00:00:00 2001
From: "Markus F.X.J. Oberhumer" <markus@oberhumer.com>
Date: Wed, 22 Nov 2006 19:29:07 +0100
Subject: [PATCH] Disallow --exact with --overlay=strip.

---
 src/main.cpp | 22 ++++++++++++----------
 1 file changed, 12 insertions(+), 10 deletions(-)

diff --git a/src/main.cpp b/src/main.cpp
index 8d0619ca..ab944301 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -237,12 +237,24 @@ void check_options(int i, int argc)
 {
     assert(i <= argc);
 
+    if (opt->cmd != CMD_COMPRESS)
+    {
+        // invalidate compression options
+        opt->method = 0;
+        opt->level = 0;
+        opt->exact = 0;
+        opt->small = 0;
+        opt->crp.reset();
+    }
+
     // set default overlay action
     if (!(opt->cmd == CMD_COMPRESS || opt->cmd == CMD_DECOMPRESS))
         opt->overlay = opt->COPY_OVERLAY;
     else if (opt->overlay < 0)
         opt->overlay = opt->COPY_OVERLAY;
 
+    check_not_both(opt->exact, opt->overlay == opt->STRIP_OVERLAY, "--exact", "--overlay=strip");
+
     // set default backup option
     if (opt->backup < 0)
         opt->backup = 0;
@@ -1421,16 +1433,6 @@ int __acc_cdecl_main main(int argc, char *argv[])
         break;
     }
 
-    if (opt->cmd != CMD_COMPRESS)
-    {
-        // invalidate compression options
-        opt->method = 0;
-        opt->level = 0;
-        opt->exact = 0;
-        opt->small = 0;
-        opt->crp.reset();
-    }
-
     /* check options */
     if (argc == 1)
         e_help();