commit dea6193d093df79a191350fedf52577d2e269804
author John Koleszar <jkoleszar@google.com> Thu Oct 21 16:53:52 2010 -0400
committer John Koleszar <jkoleszar@google.com> Mon Oct 25 22:20:32 2010 -0400
tree 6404e1c64c0e6978973307bedbe7b0e7ad3a7415
parent 28f177cd3aa72e2ca61e38ac9e8cf99a8bcfca4d

usage: fix horizontal alignment of options

When showing the command usage information for vpxenc and vpxdec,
options with both a short and long version that do not take an
argument were not properly aligned.

Change-Id: I8d65b5ab85bcb5a5dc8bc0d4b293b5189d56dedb

args.c

diff --git a/args.c b/args.c
index 5365e91..7829290 100644
--- a/args.c
+++ b/args.c
@@ -120,9 +120,13 @@
         char *long_val = def->has_val ? "=<arg>" : "";
 
         if (def->short_name && def->long_name)
-            snprintf(option_text, 37, "-%s%s, --%s%s",
-                     def->short_name, short_val,
+        {
+            char *comma = def->has_val ? "," : ",      ";
+
+            snprintf(option_text, 37, "-%s%s%s --%s%6s",
+                     def->short_name, short_val, comma,
                      def->long_name, long_val);
+        }
         else if (def->short_name)
             snprintf(option_text, 37, "-%s%s",
                      def->short_name, short_val);