Re: [PATCH 1/5] dmesg: factor out str_to_loglevel()

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On 23-06-12, Sascha Hauer wrote:
> dmesg open codes functionality to convert a string to a loglevel.
> Make a separate function from it which will be useful in the next
> patch.
> While at it remove the BAREBOX_LOG_PRINT_* defines and use MSG_*
> defines directly.
> 
> Signed-off-by: Sascha Hauer <s.hauer@xxxxxxxxxxxxxx>

Reviewed-by: Marco Felsch <m.felsch@xxxxxxxxxxxxxx>

> ---
>  commands/dmesg.c       | 47 ++++++++++++++++++++++++++----------------
>  include/linux/printk.h | 10 ---------
>  2 files changed, 29 insertions(+), 28 deletions(-)
> 
> diff --git a/commands/dmesg.c b/commands/dmesg.c
> index 15ad449639..339910bb76 100644
> --- a/commands/dmesg.c
> +++ b/commands/dmesg.c
> @@ -11,6 +11,30 @@
>  #include <getopt.h>
>  #include <clock.h>
>  
> +static int str_to_loglevel(const char *str)
> +{
> +	if (!strcmp(str, "vdebug"))
> +		return MSG_VDEBUG;
> +	if (!strcmp(str, "debug"))
> +		return MSG_DEBUG;
> +	if (!strcmp(str, "info"))
> +		return MSG_INFO;
> +	if (!strcmp(str, "notice"))
> +		return MSG_NOTICE;
> +	if (!strcmp(str, "warn"))
> +		return MSG_WARNING;
> +	if (!strcmp(str, "err"))
> +		return MSG_ERR;
> +	if (!strcmp(str, "crit"))
> +		return MSG_CRIT;
> +	if (!strcmp(str, "alert"))
> +		return MSG_ALERT;
> +	if (!strcmp(str, "emerg"))
> +		return MSG_EMERG;
> +
> +	return -EINVAL;
> +}
> +
>  static unsigned dmesg_get_levels(const char *__args)
>  {
>  	char *args = xstrdup(__args);
> @@ -18,28 +42,15 @@ static unsigned dmesg_get_levels(const char *__args)
>  	unsigned flags = 0;
>  
>  	while (1) {
> +		int level;
> +
>  		str = strsep(&levels, ",");
>  		if (!str)
>  			break;
>  
> -		if(!strcmp(str, "vdebug"))
> -			flags |= BAREBOX_LOG_PRINT_VDEBUG;
> -		else if(!strcmp(str, "debug"))
> -			flags |= BAREBOX_LOG_PRINT_DEBUG;
> -		else if(!strcmp(str, "info"))
> -			flags |= BAREBOX_LOG_PRINT_INFO;
> -		else if(!strcmp(str, "notice"))
> -			flags |= BAREBOX_LOG_PRINT_NOTICE;
> -		else if(!strcmp(str, "warn"))
> -			flags |= BAREBOX_LOG_PRINT_WARNING;
> -		else if(!strcmp(str, "err"))
> -			flags |= BAREBOX_LOG_PRINT_ERR;
> -		else if(!strcmp(str, "crit"))
> -			flags |= BAREBOX_LOG_PRINT_CRIT;
> -		else if(!strcmp(str, "alert"))
> -			flags |= BAREBOX_LOG_PRINT_ALERT;
> -		else if(!strcmp(str, "emerg"))
> -			flags |= BAREBOX_LOG_PRINT_EMERG;
> +		level = str_to_loglevel(str);
> +		if (level >= 0)
> +			flags |= BIT(level);
>  	}
>  
>  	free(args);
> diff --git a/include/linux/printk.h b/include/linux/printk.h
> index 42c29e04dd..057b355aa1 100644
> --- a/include/linux/printk.h
> +++ b/include/linux/printk.h
> @@ -159,16 +159,6 @@ extern void log_clean(unsigned int limit);
>  #define BAREBOX_LOG_DIFF_TIME		BIT(1)
>  #define BAREBOX_LOG_PRINT_TIME		BIT(0)
>  
> -#define BAREBOX_LOG_PRINT_VDEBUG	BIT(8)
> -#define BAREBOX_LOG_PRINT_DEBUG		BIT(7)
> -#define BAREBOX_LOG_PRINT_INFO		BIT(6)
> -#define BAREBOX_LOG_PRINT_NOTICE	BIT(5)
> -#define BAREBOX_LOG_PRINT_WARNING	BIT(4)
> -#define BAREBOX_LOG_PRINT_ERR		BIT(3)
> -#define BAREBOX_LOG_PRINT_CRIT		BIT(2)
> -#define BAREBOX_LOG_PRINT_ALERT		BIT(1)
> -#define BAREBOX_LOG_PRINT_EMERG		BIT(0)
> -
>  int log_writefile(const char *filepath);
>  void log_print(unsigned flags, unsigned levels);
>  
> -- 
> 2.39.2
> 
> 
> 




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