xref: /aosp_15_r20/external/libtraceevent/include/traceevent/event-utils.h (revision 436bf2bcd5202612ffffe471bbcc1f277cc8d28e)

/* SPDX-License-Identifier: LGPL-2.1 */
/*
 * Copyright (C) 2010 Red Hat Inc, Steven Rostedt <[email protected]>
 *
 */
#ifndef __TEP_EVENT_UTIL_H
#define __TEP_EVENT_UTIL_H

#include <ctype.h>
#include <stdarg.h>
#include <stdbool.h>

#include "event-parse.h"

void tep_warning(const char *fmt, ...);
void tep_info(const char *fmt, ...);

/* Can be overridden */
int tep_vprint(const char *name, enum tep_loglevel level,
	       bool print_err, const char *fmt, va_list ap);

/* The actual call of tep_vprint() for overrides to use */
int __tep_vprint(const char *name, enum tep_loglevel level,
		 bool print_err, const char *fmt, va_list ap);


#define __deprecated(msg) __attribute__((deprecated("msg")))

/* For backward compatibilty, do not use */
int tep_vwarning(const char *name, const char *fmt, va_list ap) __deprecated(Use tep_vprint instead);
void pr_stat(const char *fmt, ...) __deprecated(Use tep_info instead);
void vpr_stat(const char *fmt, va_list ap) __deprecated(Use tep_vprint instead);
void __pr_stat(const char *fmt, ...) __deprecated(Use tep_info instead);;
void __vpr_stat(const char *fmt, va_list ap) __deprecated(Use tep_vprint instead);;

#define min(x, y) ({				\
	typeof(x) _min1 = (x);			\
	typeof(y) _min2 = (y);			\
	(void) (&_min1 == &_min2);		\
	_min1 < _min2 ? _min1 : _min2; })

static inline char *strim(char *string)
{
	char *ret;

	if (!string)
		return NULL;
	while (*string) {
		if (!isspace(*string))
			break;
		string++;
	}
	ret = string;

	string = ret + strlen(ret) - 1;
	while (string > ret) {
		if (!isspace(*string))
			break;
		string--;
	}
	string[1] = 0;

	return ret;
}

static inline int has_text(const char *text)
{
	if (!text)
		return 0;

	while (*text) {
		if (!isspace(*text))
			return 1;
		text++;
	}

	return 0;
}

#endif