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/*
* This file is part of the flashrom project.
*
* Copyright (C) 2022 The Chromium OS Authors
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
#include <stdarg.h>
#include <stdlib.h>
#include <stdio.h>
#include "libflashrom.h"
void log_rust(enum flashrom_log_level level, const char *format);
// LOG_LEVEL = 0 (ERROR) means no messages are printed.
enum flashrom_log_level current_level = 0;
static int log_c(enum flashrom_log_level level, const char *format, va_list ap)
{
static char *buf = NULL;
static int len = 0;
if (level >= current_level) {
return 0;
}
va_list ap2;
va_copy(ap2, ap);
// when buf is NULL, len is zero and this will not write to buf
int req_len = vsnprintf(buf, len, format, ap2);
va_end(ap2);
if (req_len > len) {
char *new_buf = realloc(buf, req_len + 1);
if (!new_buf) {
return 0;
}
buf = new_buf;
len = req_len + 1;
req_len = vsnprintf(buf, len, format, ap);
}
if (req_len > 0) {
log_rust(level, buf);
}
return req_len;
}
void set_log_callback()
{
flashrom_set_log_callback(log_c);
}
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