[PATCH 30/41] perf tools: Add option macro OPT_CALLBACK_OPTARG

From: Adrian Hunter
Date: Mon Jul 14 2014 - 06:06:28 EST


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@xxxxxxxxx>
---
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 d8dac8a..b59ba85 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[].
--
1.8.3.2

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