1#include "util.h"
2#include "../debug.h"
3
4
5/*
6 * Default error logging functions
7 */
8static int perf_stdio__error(const char *format, va_list args)
9{
10	fprintf(stderr, "Error:\n");
11	vfprintf(stderr, format, args);
12	return 0;
13}
14
15static int perf_stdio__warning(const char *format, va_list args)
16{
17	fprintf(stderr, "Warning:\n");
18	vfprintf(stderr, format, args);
19	return 0;
20}
21
22static struct perf_error_ops default_eops =
23{
24	.error		= perf_stdio__error,
25	.warning	= perf_stdio__warning,
26};
27
28static struct perf_error_ops *perf_eops = &default_eops;
29
30
31int ui__error(const char *format, ...)
32{
33	int ret;
34	va_list args;
35
36	va_start(args, format);
37	ret = perf_eops->error(format, args);
38	va_end(args);
39
40	return ret;
41}
42
43int ui__warning(const char *format, ...)
44{
45	int ret;
46	va_list args;
47
48	va_start(args, format);
49	ret = perf_eops->warning(format, args);
50	va_end(args);
51
52	return ret;
53}
54
55/**
56 * perf_error__register - Register error logging functions
57 * @eops: The pointer to error logging function struct
58 *
59 * Register UI-specific error logging functions. Before calling this,
60 * other logging functions should be unregistered, if any.
61 */
62int perf_error__register(struct perf_error_ops *eops)
63{
64	if (perf_eops != &default_eops)
65		return -1;
66
67	perf_eops = eops;
68	return 0;
69}
70
71/**
72 * perf_error__unregister - Unregister error logging functions
73 * @eops: The pointer to error logging function struct
74 *
75 * Unregister already registered error logging functions.
76 */
77int perf_error__unregister(struct perf_error_ops *eops)
78{
79	if (perf_eops != eops)
80		return -1;
81
82	perf_eops = &default_eops;
83	return 0;
84}
85