linux-kernel - [PATCH v0 22/71] perf tools: Add option macro OPT_CALLBACK

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Message-Id: <1386765443-26966-23-git-send-email-alexander.shishkin@linux.intel.com>
Date:	Wed, 11 Dec 2013 14:36:34 +0200
From:	Alexander Shishkin <alexander.shishkin@...ux.intel.com>
To:	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Arnaldo Carvalho de Melo <acme@...stprotocols.net>
Cc:	Ingo Molnar <mingo@...hat.com>, linux-kernel@...r.kernel.org,
	David Ahern <dsahern@...il.com>,
	Frederic Weisbecker <fweisbec@...il.com>,
	Jiri Olsa <jolsa@...hat.com>, Mike Galbraith <efault@....de>,
	Namhyung Kim <namhyung@...il.com>,
	Paul Mackerras <paulus@...ba.org>,
	Stephane Eranian <eranian@...gle.com>,
	Andi Kleen <ak@...ux.intel.com>,
	Adrian Hunter <adrian.hunter@...el.com>
Subject: [PATCH v0 22/71] perf tools: Add option macro OPT_CALLBACK_OPTARG

From: Adrian Hunter <adrian.hunter@...el.com>

Add an option macro that is the same as
OPT_CALLBACK except that the argument is
optional and it is possible to associate
additional data with it.

Signed-off-by: Adrian Hunter <adrian.hunter@...el.com>
---
 tools/perf/util/parse-options.h | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/tools/perf/util/parse-options.h b/tools/perf/util/parse-options.h
index cbf0149..aec0afb 100644
--- a/tools/perf/util/parse-options.h
+++ b/tools/perf/util/parse-options.h
@@ -98,6 +98,7 @@ struct option {
 	parse_opt_cb *callback;
 	intptr_t defval;
 	bool *set;
+	void *data;
 };
 
 #define check_vtype(v, type) ( BUILD_BUG_ON_ZERO(!__builtin_types_compatible_p(typeof(v), type)) + v )
@@ -131,6 +132,10 @@ struct option {
 	{ .type = OPTION_CALLBACK, .short_name = (s), .long_name = (l),\
 	.value = (v), (a), .help = (h), .callback = (f), .defval = (intptr_t)d,\
 	.flags = PARSE_OPT_LASTARG_DEFAULT | PARSE_OPT_NOARG}
+#define OPT_CALLBACK_OPTARG(s, l, v, d, a, h, f) \
+	{ .type = OPTION_CALLBACK, .short_name = (s), .long_name = (l), \
+	  .value = (v), (a), .help = (h), .callback = (f), \
+	  .flags = PARSE_OPT_OPTARG, .data = (d) }
 
 /* parse_options() will filter out the processed options and leave the
  * non-option argments in argv[].
-- 
1.8.5.1

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