91 lines
		
	
	
		
			1.7 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			91 lines
		
	
	
		
			1.7 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| // SPDX-License-Identifier: GPL-2.0
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| #include "util.h"
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| #include "../util/debug.h"
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| #include <stdio.h>
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| 
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| /*
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|  * Default error logging functions
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|  */
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| static int perf_stdio__error(const char *format, va_list args)
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| {
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| 	fprintf(stderr, "Error:\n");
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| 	vfprintf(stderr, format, args);
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| 	return 0;
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| }
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| 
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| static int perf_stdio__warning(const char *format, va_list args)
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| {
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| 	if (quiet)
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| 		return 0;
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| 
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| 	fprintf(stderr, "Warning:\n");
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| 	vfprintf(stderr, format, args);
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| 	return 0;
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| }
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| 
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| static struct perf_error_ops default_eops =
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| {
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| 	.error		= perf_stdio__error,
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| 	.warning	= perf_stdio__warning,
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| };
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| 
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| static struct perf_error_ops *perf_eops = &default_eops;
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| 
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| 
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| int ui__error(const char *format, ...)
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| {
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| 	int ret;
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| 	va_list args;
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| 
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| 	va_start(args, format);
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| 	ret = perf_eops->error(format, args);
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| 	va_end(args);
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| 
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| 	return ret;
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| }
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| 
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| int ui__warning(const char *format, ...)
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| {
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| 	int ret;
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| 	va_list args;
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| 	if (quiet)
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| 		return 0;
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| 
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| 	va_start(args, format);
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| 	ret = perf_eops->warning(format, args);
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| 	va_end(args);
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| 
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| 	return ret;
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| }
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| 
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| /**
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|  * perf_error__register - Register error logging functions
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|  * @eops: The pointer to error logging function struct
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|  *
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|  * Register UI-specific error logging functions. Before calling this,
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|  * other logging functions should be unregistered, if any.
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|  */
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| int perf_error__register(struct perf_error_ops *eops)
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| {
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| 	if (perf_eops != &default_eops)
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| 		return -1;
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| 
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| 	perf_eops = eops;
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| 	return 0;
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| }
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| 
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| /**
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|  * perf_error__unregister - Unregister error logging functions
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|  * @eops: The pointer to error logging function struct
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|  *
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|  * Unregister already registered error logging functions.
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|  */
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| int perf_error__unregister(struct perf_error_ops *eops)
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| {
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| 	if (perf_eops != eops)
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| 		return -1;
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| 
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| 	perf_eops = &default_eops;
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| 	return 0;
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| }
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