Orange Pi5 kernel

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