diff options
| author | Luis Araneda | 2018-07-05 16:55:31 -0400 |
|---|---|---|
| committer | Masahiro Yamada | 2018-07-25 08:47:52 +0900 |
| commit | 0dc4addb9111a1587ba9c08594a0f087905a572a (patch) | |
| tree | a8fac3d067bdfbb284f49a8274e80d0aad942a73 /scripts/kconfig | |
| parent | 323a73adc9a1bf2de43fe03bdd9c3038ce7c2784 (diff) | |
kconfig: Avoid format overflow warning from GCC 8.1
cherry-pick kernel commit 2ae89c7 (2018-06-05)
to avoid warnings when compiling with GCC 8.1
In file included from scripts/kconfig/zconf.tab.c:2486:
scripts/kconfig/confdata.c: In function ‘conf_write’:
scripts/kconfig/confdata.c:771:22: warning: ‘%s’ directive writing likely 7 or more bytes into a region of size between 1 and 4097 [-Wformat-overflow=]
sprintf(newname, "%s%s", dirname, basename);
^~
scripts/kconfig/confdata.c:771:19: note: assuming directive output of 7 bytes
sprintf(newname, "%s%s", dirname, basename);
^~~~~~
scripts/kconfig/confdata.c:771:2: note: ‘sprintf’ output 1 or more bytes (assuming 4104) into a destination of size 4097
sprintf(newname, "%s%s", dirname, basename);
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
scripts/kconfig/confdata.c:774:23: warning: ‘.tmpconfig.’ directive writing 11 bytes into a region of size between 1 and 4097 [-Wformat-overflow=]
sprintf(tmpname, "%s.tmpconfig.%d", dirname, (int)getpid());
^~~~~~~~~~~
scripts/kconfig/confdata.c:774:3: note: ‘sprintf’ output between 13 and 4119 bytes into a destination of size 4097
sprintf(tmpname, "%s.tmpconfig.%d", dirname, (int)getpid());
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Signed-off-by: Luis Araneda <luaraneda@gmail.com>
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Diffstat (limited to 'scripts/kconfig')
| -rw-r--r-- | scripts/kconfig/confdata.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/scripts/kconfig/confdata.c b/scripts/kconfig/confdata.c index e4cbb87d760..a04bb26304f 100644 --- a/scripts/kconfig/confdata.c +++ b/scripts/kconfig/confdata.c @@ -743,7 +743,7 @@ int conf_write(const char *name) struct menu *menu; const char *basename; const char *str; - char dirname[PATH_MAX+1], tmpname[PATH_MAX+1], newname[PATH_MAX+1]; + char dirname[PATH_MAX+1], tmpname[PATH_MAX+22], newname[PATH_MAX+8]; char *env; dirname[0] = 0; |