xref: /linux/tools/perf/ui/helpline.h (revision 0526b56cbc3c489642bd6a5fe4b718dea7ef0ee8)
1 /* SPDX-License-Identifier: GPL-2.0 */
2 #ifndef _PERF_UI_HELPLINE_H_
3 #define _PERF_UI_HELPLINE_H_ 1
4 
5 #include <stdio.h>
6 #include <stdarg.h>
7 
8 struct ui_helpline {
9 	void (*pop)(void);
10 	void (*push)(const char *msg);
11 	int  (*show)(const char *fmt, va_list ap);
12 };
13 
14 extern struct ui_helpline *helpline_fns;
15 
16 void ui_helpline__init(void);
17 
18 void ui_helpline__pop(void);
19 void ui_helpline__push(const char *msg);
20 void ui_helpline__vpush(const char *fmt, va_list ap);
21 void ui_helpline__fpush(const char *fmt, ...);
22 void ui_helpline__puts(const char *msg);
23 void ui_helpline__printf(const char *fmt, ...);
24 int  ui_helpline__vshow(const char *fmt, va_list ap);
25 
26 extern char ui_helpline__current[512];
27 extern char ui_helpline__last_msg[];
28 
29 #endif /* _PERF_UI_HELPLINE_H_ */
30