Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
tjh.dev
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, 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 die(const char *fmt, ...);
27void *malloc_or_die(unsigned int size);
28void warning(const char *fmt, ...);
29void pr_stat(const char *fmt, ...);
30void vpr_stat(const char *fmt, va_list ap);
31
32/* Always available */
33void __die(const char *fmt, ...);
34void __warning(const char *fmt, ...);
35void __pr_stat(const char *fmt, ...);
36
37void __vdie(const char *fmt, ...);
38void __vwarning(const char *fmt, ...);
39void __vpr_stat(const char *fmt, ...);
40
41#define min(x, y) ({ \
42 typeof(x) _min1 = (x); \
43 typeof(y) _min2 = (y); \
44 (void) (&_min1 == &_min2); \
45 _min1 < _min2 ? _min1 : _min2; })
46
47static inline char *strim(char *string)
48{
49 char *ret;
50
51 if (!string)
52 return NULL;
53 while (*string) {
54 if (!isspace(*string))
55 break;
56 string++;
57 }
58 ret = string;
59
60 string = ret + strlen(ret) - 1;
61 while (string > ret) {
62 if (!isspace(*string))
63 break;
64 string--;
65 }
66 string[1] = 0;
67
68 return ret;
69}
70
71static inline int has_text(const char *text)
72{
73 if (!text)
74 return 0;
75
76 while (*text) {
77 if (!isspace(*text))
78 return 1;
79 text++;
80 }
81
82 return 0;
83}
84
85#endif