shithub: libvpx

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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

--- 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);