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