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    /*
     * debug.c - for debug prints to stderr
     *
     * Copyright (C) 2020 iopsys Software Solutions AB. All rights reserved.
     *
     * This program is free software; you can redistribute it and/or
     * modify it under the terms of the GNU General Public License
     * version 2 as published by the Free Software Foundation.
     *
     * 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.
     *
     * You should have received a copy of the GNU General Public License
     * along with this program; if not, write to the Free Software
     * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
     * 02110-1301 USA
     */
    #include <stdio.h>
    #include <stdlib.h>
    #include <stdarg.h>
    
    #include <easy/easy.h>
    
    void LIBEASY_API log_stderr(int level, const char *fmt, ...)
    {
    	va_list args;
    	int iop_debug;
    	char *e = getenv("LIBWIFI_DEBUG_LEVEL");
    
    	iop_debug = e ? atoi(e) : -1;
    	if (iop_debug < level)
    		return;
    
    	va_start(args, fmt);
    	vfprintf(stderr, fmt, args);	/* Flawfinder: ignore */
    	va_end(args);
    }