• Home
  • Line#
  • Scopes#
  • Navigate#
  • Raw
  • Download
1 #include "util.h"
2 #include "../debug.h"
3 
4 
5 /*
6  * Default error logging functions
7  */
perf_stdio__error(const char * format,va_list args)8 static 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 
perf_stdio__warning(const char * format,va_list args)15 static 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 
22 static struct perf_error_ops default_eops =
23 {
24 	.error		= perf_stdio__error,
25 	.warning	= perf_stdio__warning,
26 };
27 
28 static struct perf_error_ops *perf_eops = &default_eops;
29 
30 
ui__error(const char * format,...)31 int 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 
ui__warning(const char * format,...)43 int 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  */
perf_error__register(struct perf_error_ops * eops)62 int 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  */
perf_error__unregister(struct perf_error_ops * eops)77 int 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