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perf ui/helpline: Introduce ui_helpline__vshow()

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The ui_helpline__vshow() will be used for pr_* functions.

Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Pekka Enberg <penberg@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Steven Rostedt <rostedt@goodmis.org>
Link: http://lkml.kernel.org/r/1352911664-24620-3-git-send-email-namhyung@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Namhyung Kim
2012-11-15 01:47:41 +09:00
committed by Arnaldo Carvalho de Melo
parent 752914208a
commit b56e53312d
5 changed files with 43 additions and 49 deletions
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12
tools/perf/ui/helpline.c
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@@ -16,9 +16,16 @@ static void nop_helpline__push(const char *msg __maybe_unused)
{
}
static int nop_helpline__show(const char *fmt __maybe_unused,
va_list ap __maybe_unused)
{
return 0;
}
static struct ui_helpline default_helpline_fns = {
.pop = nop_helpline__pop,
.push = nop_helpline__push,
.show = nop_helpline__show,
};
struct ui_helpline *helpline_fns = &default_helpline_fns;
@@ -59,3 +66,8 @@ void ui_helpline__puts(const char *msg)
ui_helpline__pop();
ui_helpline__push(msg);
}
int ui_helpline__vshow(const char *fmt, va_list ap)
{
return helpline_fns->show(fmt, ap);
}