From 9e41edbc48b85663236009cba2391df165dd1ee4 Mon Sep 17 00:00:00 2001
From: Jeff Armstrong <jeffrey.armstrong@approximatrix.com>
Date: Wed, 5 Apr 2017 08:24:53 -0400
Subject: Initial import

---
 util.c | 49 +++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 49 insertions(+)
 create mode 100755 util.c

(limited to 'util.c')

diff --git a/util.c b/util.c
new file mode 100755
index 0000000..34c1e89
--- /dev/null
+++ b/util.c
@@ -0,0 +1,49 @@
+/*       Rainbow Image Utilities
+ *       Copyright © 2008 Jeffrey Armstrong <jeff@rainbow-100.com>
+ *       http://jeff.rainbow-100.com/
+ *
+ *       This program is free software: you can redistribute it and/or modify
+ *       it under the terms of the GNU General Public License as published by
+ *       the Free Software Foundation, either version 3 of the License, or
+ *       (at your option) any later version.
+ *       
+ *       This program is distributed in the hope that it will be useful
+ *       but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *       MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *       GNU General Public License for more details.
+ *       
+ *       You should have received a copy of the GNU General Public License
+ *       along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "rbfloppy.h"
+
+/* Small utility to check if the command line arguments contain a /L
+ * switch.  If so, the arguments are all shifted so that the /L is
+ * effectively removed from the list
+ */
+void check_logical(int argc, char *argv[])
+{
+int i,j;
+
+        for(i=1; i<argc; i++) {
+                if(strlen(argv[i]) == 2) {
+
+                        /* This is a really ugly, long-winded way to
+                         * check for the switch... 
+                         */
+                        if((argv[i][0] == '/' || argv[i][0] == '-') &&
+                           (argv[i][1] == 'L' || argv[i][1] == 'l')) {
+                            set_mode(MODE_LOGICAL);
+                            break;
+                        }
+                }
+        }
+        
+        /* If the argument was found, shift everyone to "remove" it */
+        if(i < argc && i != argc-1) {
+                for(j=i;j<argc-1;j++) {
+                        argv[j] = argv[j+1];
+                }
+        }
+}
-- 
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