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-rw-r--r--payloads/libpayload/Makefile.inc2
-rw-r--r--payloads/libpayload/curses/PDCurses/pdcurses/scanw.c2
-rw-r--r--payloads/libpayload/libc/printf.c3
3 files changed, 5 insertions, 2 deletions
diff --git a/payloads/libpayload/Makefile.inc b/payloads/libpayload/Makefile.inc
index 1fa07f9a7a..f0aaa2727f 100644
--- a/payloads/libpayload/Makefile.inc
+++ b/payloads/libpayload/Makefile.inc
@@ -63,7 +63,7 @@ CFLAGS += $(EXTRA_CFLAGS) $(INCLUDES) -Os -pipe -nostdinc -ggdb3
CFLAGS += -nostdlib -fno-builtin -ffreestanding -fomit-frame-pointer
CFLAGS += -ffunction-sections -fdata-sections
CFLAGS += -Wall -Wundef -Wstrict-prototypes -Wmissing-prototypes
-CFLAGS += -Wwrite-strings -Wredundant-decls -Wno-trigraphs
+CFLAGS += -Wwrite-strings -Wredundant-decls -Wno-trigraphs -Wimplicit-fallthrough
CFLAGS += -Wstrict-aliasing -Wshadow -Werror
$(obj)/libpayload-config.h: $(KCONFIG_AUTOHEADER)
diff --git a/payloads/libpayload/curses/PDCurses/pdcurses/scanw.c b/payloads/libpayload/curses/PDCurses/pdcurses/scanw.c
index 47f205052b..d1fd908dab 100644
--- a/payloads/libpayload/curses/PDCurses/pdcurses/scanw.c
+++ b/payloads/libpayload/curses/PDCurses/pdcurses/scanw.c
@@ -274,7 +274,7 @@ static int _pdc_vsscanf(const char *buf, const char *fmt, va_list arg_ptr)
NEXT(c);
goto string;
}
- /* no break */
+ /* fall through */
default:
if (fmt[1] == '-' && fmt[2]
&& f < (unsigned char)fmt[2])
diff --git a/payloads/libpayload/libc/printf.c b/payloads/libpayload/libc/printf.c
index cb623aa51a..3896f01b86 100644
--- a/payloads/libpayload/libc/printf.c
+++ b/payloads/libpayload/libc/printf.c
@@ -585,6 +585,7 @@ static int printf_core(const char *fmt, struct printf_spec *ps, va_list ap)
/* Integer values */
case 'P': /* pointer */
flags |= __PRINTF_FLAG_BIGCHARS;
+ /* fall through */
case 'p':
flags |= __PRINTF_FLAG_PREFIX;
base = 16;
@@ -599,10 +600,12 @@ static int printf_core(const char *fmt, struct printf_spec *ps, va_list ap)
case 'd':
case 'i':
flags |= __PRINTF_FLAG_SIGNED;
+ break;
case 'u':
break;
case 'X':
flags |= __PRINTF_FLAG_BIGCHARS;
+ /* fall through */
case 'x':
base = 16;
break;