perf ui helpline: Provide a printf variant

To print some values, like in the annotation code with invalid jump
offsets.

Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Wang Nan <wangnan0@huawei.com>
Link: http://lkml.kernel.org/n/tip-1vk0g5twas2ioswn1mmvnvwq@git.kernel.orgSigned-off-by: default avatarArnaldo Carvalho de Melo <acme@redhat.com>
parent 2471cece
...@@ -72,3 +72,13 @@ int ui_helpline__vshow(const char *fmt, va_list ap) ...@@ -72,3 +72,13 @@ int ui_helpline__vshow(const char *fmt, va_list ap)
{ {
return helpline_fns->show(fmt, ap); return helpline_fns->show(fmt, ap);
} }
void ui_helpline__printf(const char *fmt, ...)
{
va_list ap;
ui_helpline__pop();
va_start(ap, fmt);
ui_helpline__vpush(fmt, ap);
va_end(ap);
}
...@@ -21,6 +21,7 @@ void ui_helpline__push(const char *msg); ...@@ -21,6 +21,7 @@ void ui_helpline__push(const char *msg);
void ui_helpline__vpush(const char *fmt, va_list ap); void ui_helpline__vpush(const char *fmt, va_list ap);
void ui_helpline__fpush(const char *fmt, ...); void ui_helpline__fpush(const char *fmt, ...);
void ui_helpline__puts(const char *msg); void ui_helpline__puts(const char *msg);
void ui_helpline__printf(const char *fmt, ...);
int ui_helpline__vshow(const char *fmt, va_list ap); int ui_helpline__vshow(const char *fmt, va_list ap);
extern char ui_helpline__current[512]; extern char ui_helpline__current[512];
......
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