fuse_log.c

/*
  FUSE: Filesystem in Userspace
  Copyright (C) 2019  Red Hat, Inc.
 
  Logging API.
 
  This program can be distributed under the terms of the GNU LGPLv2.
  See the file COPYING.LIB
*/
 
#include "fuse_log.h"
 
#include <stdarg.h>
#include <stdio.h>
 
static void default_log_func(
                __attribute__(( unused )) enum fuse_log_level level,
                const char *fmt, va_list ap)
{
        vfprintf(stderr, fmt, ap);
}
 
static fuse_log_func_t log_func = default_log_func;
 
void fuse_set_log_func(fuse_log_func_t func)
{
        if (!func)
                func = default_log_func;
 
        log_func = func;
}
 
void fuse_log(enum fuse_log_level level, const char *fmt, ...)
{
        va_list ap;
 
        va_start(ap, fmt);
        log_func(level, fmt, ap);
        va_end(ap);
}