[Buildroot] [PATCH 1/1] support/kconfig: fix compiler warnings

[Peter Korsgaard]

>>>>> "Arnout" == Arnout Vandecappelle <arnout at mind.be> writes:

 > On 22/09/2021 16:08, Edgar Bonet wrote:
 >> Compiling on Ubuntu 20.04 generates this:
 >> 
 >> ./util.c: In function ‘file_write_dep’
 >> ./util.c:54:18: warning: ‘..config.tmp’ directive writing 12 bytes
 >> into a region of size between 1 and 4097 [-Wformat-overflow=]
 >> 54 |  sprintf(buf, "%s..config.tmp", dir);
 >> |                  ^~~~~~~~~~~~
 >> ./util.c:54:2: note: ‘sprintf’ output between 13 and 4109 bytes into a destination of size 4097
 >> 54 |  sprintf(buf, "%s..config.tmp", dir);
 >> |  ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 >> 
 >> and similar warnings on confdata.c, lines 778, 989, 995, 1000, 1007,
 >> 1040, 1046 and 1054. Avoid the warnings by enlarging the destination
 >> buffer of fprintf().
 >> 
 >> Signed-off-by: Edgar Bonet <bonet at grenoble.cnrs.fr>
 >> ---
 >> support/kconfig/confdata.c | 4 ++--
 >> support/kconfig/util.c     | 2 +-
 >> 2 files changed, 3 insertions(+), 3 deletions(-)

 >  Normally, when we make changes to the kconfig sources, we want to
 > keep track of that with patches in support/kconfig/patches. This
 > allows us to track upstream without loosing the modifications we make.

 >  However, in this case, upstream has already heavily modified those
 > files, and fixed the issues. So we there's no need to keep it as
 > patches.

 >  Therefore, applied to master, with an updated commit message that
 > explains the above, thanks.

Committed to 2021.02.x, 2021.05.x and 2021.08.x, thanks.

Maybe it is time to resync out kconfig copy?

-- 
Bye, Peter Korsgaard