Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]


Groups > linux.kernel > #1318629

Re: [PATCH v1 1/1] lib/vsprintf: define special_hex_number_unsigned_long()

From Andrew Morton <akpm@linux-foundation.org>
Newsgroups linux.kernel
Subject Re: [PATCH v1 1/1] lib/vsprintf: define special_hex_number_unsigned_long()
Date 2016-01-27 05:50 +0100
Message-ID <qVqdk-6wg-5@gated-at.bofh.it> (permalink)
References <qQPm2-71u-13@gated-at.bofh.it>
Organization linux.* mail to news gateway

Show all headers | View raw


On Thu, 14 Jan 2016 14:34:49 +0200 Andy Shevchenko <andriy.shevchenko@linux.intel.com> wrote:

> Define a macro for convenient use with values of unsigned long type.
> 
> The value in symbol_string() is type of unsigned long. Use it instead of void *
> when getting sizeof() of it.
> 
> ...
>
> --- a/lib/vsprintf.c
> +++ b/lib/vsprintf.c
> @@ -529,6 +529,9 @@ char *special_hex_number(char *buf, char *end, unsigned long long num, int size)
>  	return number(buf, end, num, spec);
>  }
>  
> +#define special_hex_number_unsigned_long(buf, end, n) \
> +	special_hex_number(buf, end, (unsigned long)n, sizeof(unsigned long))
> +
>  static void move_right(char *buf, char *end, unsigned len, unsigned spaces)
>  {
>  	size_t size;
> @@ -684,7 +687,7 @@ char *symbol_string(char *buf, char *end, void *ptr,
>  
>  	return string(buf, end, sym, spec);
>  #else
> -	return special_hex_number(buf, end, value, sizeof(void *));
> +	return special_hex_number_unsigned_long(buf, end, value);
>  #endif
>  }
>  
> @@ -1446,7 +1449,7 @@ char *clock(char *buf, char *end, struct clk *clk, struct printf_spec spec,
>  #ifdef CONFIG_COMMON_CLK
>  		return string(buf, end, __clk_get_name(clk), spec);
>  #else
> -		return special_hex_number(buf, end, (unsigned long)clk, sizeof(unsigned long));
> +		return special_hex_number_unsigned_long(buf, end, clk);
>  #endif
>  	}
>  }

I'm not sure this is worth the effort.

Back to linux.kernel | Previous | Next — Next in thread | Find similar | Unroll thread


Thread

Re: [PATCH v1 1/1] lib/vsprintf: define  special_hex_number_unsigned_long() Andrew Morton <akpm@linux-foundation.org> - 2016-01-27 05:50 +0100
  Re: [PATCH v1 1/1] lib/vsprintf: define  special_hex_number_unsigned_long() Andy Shevchenko <andriy.shevchenko@linux.intel.com> - 2016-01-27 13:20 +0100

csiph-web