1/*
 2 * Copyright (C) 2010 Red Hat Inc, Steven Rostedt <srostedt@redhat.com>
 3 *
 4 * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 5 * This program is free software; you can redistribute it and/or
 6 * modify it under the terms of the GNU Lesser General Public
 7 * License as published by the Free Software Foundation;
 8 * version 2.1 of the License (not later!)
 9 *
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
13 * GNU Lesser General Public License for more details.
14 *
15 * You should have received a copy of the GNU Lesser General Public
16 * License along with this program; if not,  see <http://www.gnu.org/licenses>
17 *
18 * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
19 */
20#ifndef __UTIL_H
21#define __UTIL_H
22
23#include <ctype.h>
24
25/* Can be overridden */
26void warning(const char *fmt, ...);
27void pr_stat(const char *fmt, ...);
28void vpr_stat(const char *fmt, va_list ap);
29
30/* Always available */
31void __warning(const char *fmt, ...);
32void __pr_stat(const char *fmt, ...);
33
34void __vwarning(const char *fmt, ...);
35void __vpr_stat(const char *fmt, ...);
36
37#define min(x, y) ({				\
38	typeof(x) _min1 = (x);			\
39	typeof(y) _min2 = (y);			\
40	(void) (&_min1 == &_min2);		\
41	_min1 < _min2 ? _min1 : _min2; })
42
43static inline char *strim(char *string)
44{
45	char *ret;
46
47	if (!string)
48		return NULL;
49	while (*string) {
50		if (!isspace(*string))
51			break;
52		string++;
53	}
54	ret = string;
55
56	string = ret + strlen(ret) - 1;
57	while (string > ret) {
58		if (!isspace(*string))
59			break;
60		string--;
61	}
62	string[1] = 0;
63
64	return ret;
65}
66
67static inline int has_text(const char *text)
68{
69	if (!text)
70		return 0;
71
72	while (*text) {
73		if (!isspace(*text))
74			return 1;
75		text++;
76	}
77
78	return 0;
79}
80
81#endif