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 #include "../util/cache.h" 9 10 struct ui_helpline { 11 void (*pop)(void); 12 void (*push)(const char *msg); 13 int (*show)(const char *fmt, va_list ap); 14 }; 15 16 extern struct ui_helpline *helpline_fns; 17 18 void ui_helpline__init(void); 19 20 void ui_helpline__pop(void); 21 void ui_helpline__push(const char *msg); 22 void ui_helpline__vpush(const char *fmt, va_list ap); 23 void ui_helpline__fpush(const char *fmt, ...); 24 void ui_helpline__puts(const char *msg); 25 void ui_helpline__printf(const char *fmt, ...); 26 int ui_helpline__vshow(const char *fmt, va_list ap); 27 28 extern char ui_helpline__current[512]; 29 extern char ui_helpline__last_msg[]; 30 31 #endif /* _PERF_UI_HELPLINE_H_ */ 32