1/* SPDX-License-Identifier: LGPL-2.1 */
 2/*
 3 * Copyright (C) 2010 Red Hat Inc, Steven Rostedt <srostedt@redhat.com>
 4 *
 5 */
 6#ifndef __UTIL_H
 7#define __UTIL_H
 8
 9#include <ctype.h>
10
11/* Can be overridden */
12void warning(const char *fmt, ...);
13void pr_stat(const char *fmt, ...);
14void vpr_stat(const char *fmt, va_list ap);
15
16/* Always available */
17void __warning(const char *fmt, ...);
18void __pr_stat(const char *fmt, ...);
19
20void __vwarning(const char *fmt, ...);
21void __vpr_stat(const char *fmt, ...);
22
23#define min(x, y) ({				\
24	typeof(x) _min1 = (x);			\
25	typeof(y) _min2 = (y);			\
26	(void) (&_min1 == &_min2);		\
27	_min1 < _min2 ? _min1 : _min2; })
28
29static inline char *strim(char *string)
30{
31	char *ret;
32
33	if (!string)
34		return NULL;
35	while (*string) {
36		if (!isspace(*string))
37			break;
38		string++;
39	}
40	ret = string;
41
42	string = ret + strlen(ret) - 1;
43	while (string > ret) {
44		if (!isspace(*string))
45			break;
46		string--;
47	}
48	string[1] = 0;
49
50	return ret;
51}
52
53static inline int has_text(const char *text)
54{
55	if (!text)
56		return 0;
57
58	while (*text) {
59		if (!isspace(*text))
60			return 1;
61		text++;
62	}
63
64	return 0;
65}
66
67#endif