[U-Boot] [PATCH 02/31] environment, netconsole: reducing packages when printing environment variables

Heiko Schocher hs at denx.de
Wed Jan 28 11:27:48 CET 2009


Hello Stefan,

Stefan Roese wrote:
> On Wednesday 28 January 2009, Heiko Schocher wrote:
>> Actual, do_printenv () uses putc () to print the Environment-
>> variables. If using netconsole, this will result in a lot of
>> packages with single characters in it. With the new config
>> option CONFIG_ENV_BUFFER_PRINT do_printenv () uses now puts ()
>> to print a complete Environmentvariable, so the number of
>> packages when using netconsole are reduced.
> 
> Wouldn't it make sense to use this new code (in the CONFIG_ENV_BUFFER_PRINT 
> sections) unconditionally instead of the old version? The source would look 
> nicer and the resulting image probably smaller.

I' ll aggree with you. Is this is ok for all?

> Some nitpicking comments below.
> 
>> Signed-off-by: Heiko Schocher <hs at denx.de>
>> ---
>>  common/cmd_nvedit.c      |    8 ++++++++
>>  include/configs/mgcoge.h |    1 +
>>  include/configs/mgsuvd.h |    1 +
>>  3 files changed, 10 insertions(+), 0 deletions(-)
>>
>> diff --git a/common/cmd_nvedit.c b/common/cmd_nvedit.c
>> index 85025da..8f6310a 100644
>> --- a/common/cmd_nvedit.c
>> +++ b/common/cmd_nvedit.c
>> @@ -89,8 +89,12 @@ int do_printenv (cmd_tbl_t *cmdtp, int flag, int argc,
>> char *argv[]) for (i=0; env_get_char(i) != '\0'; i=nxt+1) {
>>  			for (nxt=i; env_get_char(nxt) != '\0'; ++nxt)
>>  				;
>> +#if defined(CONFIG_ENV_BUFFER_PRINT)
>> +			puts ((char *)( env_get_addr(nxt) + 1));
> 
> Please stick with one coding-style rule, either "func ()" or "func()". Since 
> this file already uses the "func()" style I suggest to use this version.

OK.

>> +#else
>>  			for (k=i; k<nxt; ++k)
>>  				putc(env_get_char(k));
>> +#endif
>>  			putc  ('\n');
> 
> Why not fold this "putc()" into the puts() above (replace it with printf)?

I make it in a printf (Think there was no reason for not doing it so)

thanks
bye
Heiko
-- 
DENX Software Engineering GmbH,     MD: Wolfgang Denk & Detlev Zundel
HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany


More information about the U-Boot mailing list