C++ (Cpp) sanity_file_name示例

示例#1

文件： misc.c 项目： 020gzh/linux

void __snd_printk(unsigned int level, const char *path, int line,
		  const char *format, ...)
{
	va_list args;
#ifdef CONFIG_SND_VERBOSE_PRINTK
	int kern_level;
	struct va_format vaf;
	char verbose_fmt[] = KERN_DEFAULT "ALSA %s:%d %pV";
#endif

#ifdef CONFIG_SND_DEBUG
	if (debug < level)
		return;
#endif

	va_start(args, format);
#ifdef CONFIG_SND_VERBOSE_PRINTK
	vaf.fmt = format;
	vaf.va = &args;

	kern_level = printk_get_level(format);
	if (kern_level) {
		const char *end_of_header = printk_skip_level(format);
		memcpy(verbose_fmt, format, end_of_header - format);
		vaf.fmt = end_of_header;
	} else if (level)
		memcpy(verbose_fmt, KERN_DEBUG, sizeof(KERN_DEBUG) - 1);
	printk(verbose_fmt, sanity_file_name(path), line, &vaf);

#else
	vprintk(format, args);
#endif
	va_end(args);
}

示例#2

void __snd_printk(unsigned int level, const char *path, int line,
		  const char *format, ...)
{
	va_list args;
#ifdef CONFIG_SND_VERBOSE_PRINTK
	struct va_format vaf;
	char verbose_fmt[] = KERN_DEFAULT "ALSA %s:%d %pV";
#endif

#ifdef CONFIG_SND_DEBUG	
	if (debug < level)
		return;
#endif

	va_start(args, format);
#ifdef CONFIG_SND_VERBOSE_PRINTK
	vaf.fmt = format;
	vaf.va = &args;
	if (format[0] == '<' && format[2] == '>') {
		memcpy(verbose_fmt, format, 3);
		vaf.fmt = format + 3;
	} else if (level)
		memcpy(verbose_fmt, KERN_DEBUG, 3);
	printk(verbose_fmt, sanity_file_name(path), line, &vaf);
#else
	vprintk(format, args);
#endif
	va_end(args);
}

示例#3

/* print file and line with a certain printk prefix */
static int print_snd_pfx(unsigned int level, const char *path, int line,
			 const char *format)
{
	const char *file = sanity_file_name(path);
	char tmp[] = "<0>";
	const char *pfx = level ? KERN_DEBUG : KERN_DEFAULT;
	int ret = 0;

	if (format[0] == '<' && format[2] == '>') {
		tmp[1] = format[1];
		pfx = tmp;
		ret = 1;
	}
	printk("%sALSA %s:%d: ", pfx, file, line);
	return ret;
}