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 */
26 void warning(const char *fmt, ...);
27 void pr_stat(const char *fmt, ...);
28 void vpr_stat(const char *fmt, va_list ap);
29
30 /* Always available */
31 void __warning(const char *fmt, ...);
32 void __pr_stat(const char *fmt, ...);
33
34 void __vwarning(const char *fmt, ...);
35 void __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
strim(char * string)43 static 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
has_text(const char * text)67 static 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
82