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perf tools: Add option macro OPT_BOOLEAN_SET

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OPT_BOOLEAN_SET records whether a boolean option was set by the user.

That information can be used to change the default value for the option
after the options have been parsed.

Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Namhyung Kim <namhyung@gmail.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/r/1384768557-23331-4-git-send-email-adrian.hunter@intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Adrian Hunter 2013-11-18 11:55:56 +02:00 committed by Arnaldo Carvalho de Melo
parent 4bc437964e
commit 167faf32b0
2 changed files with 10 additions and 0 deletions
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2
tools/perf/util/parse-options.c
View File

@ -78,6 +78,8 @@ static int get_value(struct parse_opt_ctx_t *p,
case OPTION_BOOLEAN:
*(bool *)opt->value = unset ? false : true;
if (opt->set)
*(bool *)opt->set = true;
return 0;
case OPTION_INCR:

8
tools/perf/util/parse-options.h
View File

@ -82,6 +82,9 @@ typedef int parse_opt_cb(const struct option *, const char *arg, int unset);
* OPTION_{BIT,SET_UINT,SET_PTR} store the {mask,integer,pointer} to put in
* the value when met.
* CALLBACKS can use it like they want.
*
* `set`::
* whether an option was set by the user
*/
struct option {
enum parse_opt_type type;
@ -94,6 +97,7 @@ struct option {
int flags;
parse_opt_cb *callback;
intptr_t defval;
bool *set;
};
#define check_vtype(v, type) ( BUILD_BUG_ON_ZERO(!__builtin_types_compatible_p(typeof(v), type)) + v )
@ -103,6 +107,10 @@ struct option {
#define OPT_GROUP(h) { .type = OPTION_GROUP, .help = (h) }
#define OPT_BIT(s, l, v, h, b) { .type = OPTION_BIT, .short_name = (s), .long_name = (l), .value = check_vtype(v, int *), .help = (h), .defval = (b) }
#define OPT_BOOLEAN(s, l, v, h) { .type = OPTION_BOOLEAN, .short_name = (s), .long_name = (l), .value = check_vtype(v, bool *), .help = (h) }
#define OPT_BOOLEAN_SET(s, l, v, os, h) \
{ .type = OPTION_BOOLEAN, .short_name = (s), .long_name = (l), \
.value = check_vtype(v, bool *), .help = (h), \
.set = check_vtype(os, bool *)}
#define OPT_INCR(s, l, v, h) { .type = OPTION_INCR, .short_name = (s), .long_name = (l), .value = check_vtype(v, int *), .help = (h) }
#define OPT_SET_UINT(s, l, v, h, i) { .type = OPTION_SET_UINT, .short_name = (s), .long_name = (l), .value = check_vtype(v, unsigned int *), .help = (h), .defval = (i) }
#define OPT_SET_PTR(s, l, v, h, p) { .type = OPTION_SET_PTR, .short_name = (s), .long_name = (l), .value = (v), .help = (h), .defval = (p) }