added protection against using both --cat and --stack

diff --git a/src/swfcombine.c b/src/swfcombine.c
index 13ff224..8981b1d 100644 (file)
--- a/src/swfcombine.c
+++ b/src/swfcombine.c
@@ -1125,6 +1125,11 @@ int main(int argn, char *argv[])
        msg("<error> Can't combine --cat and --merge");
        exit(1);
     }
        msg("<error> Can't combine --cat and --merge");
        exit(1);
     }

+    
+    if(config.stack && config.cat) {
+       msg("<error> Can't combine --cat and --stack");
+       exit(1);
+    }

 
     if(config.stack) {
        if(config.overlay) {
 
     if(config.stack) {
        if(config.overlay) {