tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
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, write to the Free Software
17 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
20 */
21#ifndef __UTIL_H
22#define __UTIL_H
23
24#include <ctype.h>
25
26/* Can be overridden */
27void die(const char *fmt, ...);
28void *malloc_or_die(unsigned int size);
29void warning(const char *fmt, ...);
30void pr_stat(const char *fmt, ...);
31void vpr_stat(const char *fmt, va_list ap);
32
33/* Always available */
34void __die(const char *fmt, ...);
35void __warning(const char *fmt, ...);
36void __pr_stat(const char *fmt, ...);
37
38void __vdie(const char *fmt, ...);
39void __vwarning(const char *fmt, ...);
40void __vpr_stat(const char *fmt, ...);
41
42#define min(x, y) ({ \
43 typeof(x) _min1 = (x); \
44 typeof(y) _min2 = (y); \
45 (void) (&_min1 == &_min2); \
46 _min1 < _min2 ? _min1 : _min2; })
47
48static inline char *strim(char *string)
49{
50 char *ret;
51
52 if (!string)
53 return NULL;
54 while (*string) {
55 if (!isspace(*string))
56 break;
57 string++;
58 }
59 ret = string;
60
61 string = ret + strlen(ret) - 1;
62 while (string > ret) {
63 if (!isspace(*string))
64 break;
65 string--;
66 }
67 string[1] = 0;
68
69 return ret;
70}
71
72static inline int has_text(const char *text)
73{
74 if (!text)
75 return 0;
76
77 while (*text) {
78 if (!isspace(*text))
79 return 1;
80 text++;
81 }
82
83 return 0;
84}
85
86#endif