30 lines · c
1/* SPDX-License-Identifier: GPL-2.0 */2#ifndef _PERF_UI_HELPLINE_H_3#define _PERF_UI_HELPLINE_H_ 14 5#include <stdio.h>6#include <stdarg.h>7 8struct ui_helpline {9 void (*pop)(void);10 void (*push)(const char *msg);11 int (*show)(const char *fmt, va_list ap);12};13 14extern struct ui_helpline *helpline_fns;15 16void ui_helpline__init(void);17 18void ui_helpline__pop(void);19void ui_helpline__push(const char *msg);20void ui_helpline__vpush(const char *fmt, va_list ap);21void ui_helpline__fpush(const char *fmt, ...);22void ui_helpline__puts(const char *msg);23void ui_helpline__printf(const char *fmt, ...);24int ui_helpline__vshow(const char *fmt, va_list ap);25 26extern char ui_helpline__current[512];27extern char ui_helpline__last_msg[];28 29#endif /* _PERF_UI_HELPLINE_H_ */30