util.c

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// SPDX-License-Identifier: GPL-2.0
#include "util.h"
#include "../debug.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;
}

int perf_error__register(struct perf_error_ops *eops)
{
    if (perf_eops != &default_eops)
        return -1;

    perf_eops = eops;
    return 0;
}

int perf_error__unregister(struct perf_error_ops *eops)
{
    if (perf_eops != eops)
        return -1;

    perf_eops = &default_eops;
    return 0;
}