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usage: fix horizontal alignment of options
author
John Koleszar
<jkoleszar@google.com>
Thu, 21 Oct 2010 20:53:52 +0000
(16:53 -0400)
committer
John Koleszar
<jkoleszar@google.com>
Tue, 26 Oct 2010 02:20:32 +0000
(22:20 -0400)
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
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diff --git
a/args.c
b/args.c
index
5365e91
..
7829290
100644
(file)
--- a/
args.c
+++ b/
args.c
@@
-120,9
+120,13
@@
void arg_show_usage(FILE *fp, const struct arg_def *const *defs)
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);