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#include <stdio.h>
21#include <stdlib.h>
22#include <string.h>
23#include <stdarg.h>
24#include <errno.h>
25
26#define __weak __attribute__((weak))
27
28void __vdie(const char *fmt, va_list ap)
29{
30	int ret = errno;
31
32	if (errno)
33		perror("trace-cmd");
34	else
35		ret = -1;
36
37	fprintf(stderr, "  ");
38	vfprintf(stderr, fmt, ap);
39
40	fprintf(stderr, "\n");
41	exit(ret);
42}
43
44void __die(const char *fmt, ...)
45{
46	va_list ap;
47
48	va_start(ap, fmt);
49	__vdie(fmt, ap);
50	va_end(ap);
51}
52
53void __weak die(const char *fmt, ...)
54{
55	va_list ap;
56
57	va_start(ap, fmt);
58	__vdie(fmt, ap);
59	va_end(ap);
60}
61
62void __vwarning(const char *fmt, va_list ap)
63{
64	if (errno)
65		perror("trace-cmd");
66	errno = 0;
67
68	fprintf(stderr, "  ");
69	vfprintf(stderr, fmt, ap);
70
71	fprintf(stderr, "\n");
72}
73
74void __warning(const char *fmt, ...)
75{
76	va_list ap;
77
78	va_start(ap, fmt);
79	__vwarning(fmt, ap);
80	va_end(ap);
81}
82
83void __weak warning(const char *fmt, ...)
84{
85	va_list ap;
86
87	va_start(ap, fmt);
88	__vwarning(fmt, ap);
89	va_end(ap);
90}
91
92void __vpr_stat(const char *fmt, va_list ap)
93{
94	vprintf(fmt, ap);
95	printf("\n");
96}
97
98void __pr_stat(const char *fmt, ...)
99{
100	va_list ap;
101
102	va_start(ap, fmt);
103	__vpr_stat(fmt, ap);
104	va_end(ap);
105}
106
107void __weak vpr_stat(const char *fmt, va_list ap)
108{
109	__vpr_stat(fmt, ap);
110}
111
112void __weak pr_stat(const char *fmt, ...)
113{
114	va_list ap;
115
116	va_start(ap, fmt);
117	__vpr_stat(fmt, ap);
118	va_end(ap);
119}
120
121void __weak *malloc_or_die(unsigned int size)
122{
123	void *data;
124
125	data = malloc(size);
126	if (!data)
127		die("malloc");
128	return data;
129}
130