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kconfig: mconf,nconf: remove unneeded '\0' termination after snprintf()

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snprintf() always terminates the destination buffer with '\0' even if
the buffer is not long enough. (In this case, the last element of the
buffer becomes '\0'.)

The explicit termination is unneeded.

Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
This commit is contained in:
Masahiro Yamada 2021-04-11 04:45:30 +09:00
parent f02aa48dde
commit 68876c38c4
2 changed files with 6 additions and 17 deletions
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11
scripts/kconfig/mconf.c
View file

@ -299,17 +299,12 @@ static char filename[PATH_MAX+1];
static void set_config_filename(const char *config_filename)
{
static char menu_backtitle[PATH_MAX+128];
int size;
size = snprintf(menu_backtitle, sizeof(menu_backtitle),
"%s - %s", config_filename, rootmenu.prompt->text);
if (size >= sizeof(menu_backtitle))
menu_backtitle[sizeof(menu_backtitle)-1] = '\0';
snprintf(menu_backtitle, sizeof(menu_backtitle), "%s - %s",
config_filename, rootmenu.prompt->text);
set_dialog_backtitle(menu_backtitle);
size = snprintf(filename, sizeof(filename), "%s", config_filename);
if (size >= sizeof(filename))
filename[sizeof(filename)-1] = '\0';
snprintf(filename, sizeof(filename), "%s", config_filename);
}
struct subtitle_part {

12
scripts/kconfig/nconf.c
View file

@ -633,16 +633,10 @@ static char filename[PATH_MAX+1];
static char menu_backtitle[PATH_MAX+128];
static const char *set_config_filename(const char *config_filename)
{
int size;
snprintf(menu_backtitle, sizeof(menu_backtitle), "%s - %s",
config_filename, rootmenu.prompt->text);
size = snprintf(menu_backtitle, sizeof(menu_backtitle),
"%s - %s", config_filename, rootmenu.prompt->text);
if (size >= sizeof(menu_backtitle))
menu_backtitle[sizeof(menu_backtitle)-1] = '\0';
size = snprintf(filename, sizeof(filename), "%s", config_filename);
if (size >= sizeof(filename))
filename[sizeof(filename)-1] = '\0';
snprintf(filename, sizeof(filename), "%s", config_filename);
return menu_backtitle;
}