xref: /linux/tools/perf/ui/helpline.h (revision 976e3645923bdd2fe7893aae33fd7a21098bfb28)
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