1*4882a593Smuzhiyun // SPDX-License-Identifier: GPL-2.0
2*4882a593Smuzhiyun #include "util.h"
3*4882a593Smuzhiyun #include "../util/debug.h"
4*4882a593Smuzhiyun #include <stdio.h>
5*4882a593Smuzhiyun
6*4882a593Smuzhiyun /*
7*4882a593Smuzhiyun * Default error logging functions
8*4882a593Smuzhiyun */
perf_stdio__error(const char * format,va_list args)9*4882a593Smuzhiyun static int perf_stdio__error(const char *format, va_list args)
10*4882a593Smuzhiyun {
11*4882a593Smuzhiyun fprintf(stderr, "Error:\n");
12*4882a593Smuzhiyun vfprintf(stderr, format, args);
13*4882a593Smuzhiyun return 0;
14*4882a593Smuzhiyun }
15*4882a593Smuzhiyun
perf_stdio__warning(const char * format,va_list args)16*4882a593Smuzhiyun static int perf_stdio__warning(const char *format, va_list args)
17*4882a593Smuzhiyun {
18*4882a593Smuzhiyun fprintf(stderr, "Warning:\n");
19*4882a593Smuzhiyun vfprintf(stderr, format, args);
20*4882a593Smuzhiyun return 0;
21*4882a593Smuzhiyun }
22*4882a593Smuzhiyun
23*4882a593Smuzhiyun static struct perf_error_ops default_eops =
24*4882a593Smuzhiyun {
25*4882a593Smuzhiyun .error = perf_stdio__error,
26*4882a593Smuzhiyun .warning = perf_stdio__warning,
27*4882a593Smuzhiyun };
28*4882a593Smuzhiyun
29*4882a593Smuzhiyun static struct perf_error_ops *perf_eops = &default_eops;
30*4882a593Smuzhiyun
31*4882a593Smuzhiyun
ui__error(const char * format,...)32*4882a593Smuzhiyun int ui__error(const char *format, ...)
33*4882a593Smuzhiyun {
34*4882a593Smuzhiyun int ret;
35*4882a593Smuzhiyun va_list args;
36*4882a593Smuzhiyun
37*4882a593Smuzhiyun va_start(args, format);
38*4882a593Smuzhiyun ret = perf_eops->error(format, args);
39*4882a593Smuzhiyun va_end(args);
40*4882a593Smuzhiyun
41*4882a593Smuzhiyun return ret;
42*4882a593Smuzhiyun }
43*4882a593Smuzhiyun
ui__warning(const char * format,...)44*4882a593Smuzhiyun int ui__warning(const char *format, ...)
45*4882a593Smuzhiyun {
46*4882a593Smuzhiyun int ret;
47*4882a593Smuzhiyun va_list args;
48*4882a593Smuzhiyun
49*4882a593Smuzhiyun va_start(args, format);
50*4882a593Smuzhiyun ret = perf_eops->warning(format, args);
51*4882a593Smuzhiyun va_end(args);
52*4882a593Smuzhiyun
53*4882a593Smuzhiyun return ret;
54*4882a593Smuzhiyun }
55*4882a593Smuzhiyun
56*4882a593Smuzhiyun /**
57*4882a593Smuzhiyun * perf_error__register - Register error logging functions
58*4882a593Smuzhiyun * @eops: The pointer to error logging function struct
59*4882a593Smuzhiyun *
60*4882a593Smuzhiyun * Register UI-specific error logging functions. Before calling this,
61*4882a593Smuzhiyun * other logging functions should be unregistered, if any.
62*4882a593Smuzhiyun */
perf_error__register(struct perf_error_ops * eops)63*4882a593Smuzhiyun int perf_error__register(struct perf_error_ops *eops)
64*4882a593Smuzhiyun {
65*4882a593Smuzhiyun if (perf_eops != &default_eops)
66*4882a593Smuzhiyun return -1;
67*4882a593Smuzhiyun
68*4882a593Smuzhiyun perf_eops = eops;
69*4882a593Smuzhiyun return 0;
70*4882a593Smuzhiyun }
71*4882a593Smuzhiyun
72*4882a593Smuzhiyun /**
73*4882a593Smuzhiyun * perf_error__unregister - Unregister error logging functions
74*4882a593Smuzhiyun * @eops: The pointer to error logging function struct
75*4882a593Smuzhiyun *
76*4882a593Smuzhiyun * Unregister already registered error logging functions.
77*4882a593Smuzhiyun */
perf_error__unregister(struct perf_error_ops * eops)78*4882a593Smuzhiyun int perf_error__unregister(struct perf_error_ops *eops)
79*4882a593Smuzhiyun {
80*4882a593Smuzhiyun if (perf_eops != eops)
81*4882a593Smuzhiyun return -1;
82*4882a593Smuzhiyun
83*4882a593Smuzhiyun perf_eops = &default_eops;
84*4882a593Smuzhiyun return 0;
85*4882a593Smuzhiyun }
86