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perf tools: Add option macro OPT_CALLBACK_OPTARG
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@intel.com> Cc: David Ahern <dsahern@gmail.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Namhyung Kim <namhyung@gmail.com> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Stephane Eranian <eranian@google.com> Link: http://lkml.kernel.org/r/1405332185-4050-31-git-send-email-adrian.hunter@intel.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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@ -98,6 +98,7 @@ struct option {
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parse_opt_cb *callback;
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intptr_t defval;
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bool *set;
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void *data;
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};
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#define check_vtype(v, type) ( BUILD_BUG_ON_ZERO(!__builtin_types_compatible_p(typeof(v), type)) + v )
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@ -131,6 +132,10 @@ struct option {
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{ .type = OPTION_CALLBACK, .short_name = (s), .long_name = (l),\
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.value = (v), (a), .help = (h), .callback = (f), .defval = (intptr_t)d,\
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.flags = PARSE_OPT_LASTARG_DEFAULT | PARSE_OPT_NOARG}
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#define OPT_CALLBACK_OPTARG(s, l, v, d, a, h, f) \
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{ .type = OPTION_CALLBACK, .short_name = (s), .long_name = (l), \
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.value = (v), (a), .help = (h), .callback = (f), \
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.flags = PARSE_OPT_OPTARG, .data = (d) }
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/* parse_options() will filter out the processed options and leave the
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* non-option argments in argv[].
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