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authorEvan Green <evgreen@chromium.org>2019-09-23 13:23:09 -0700
committerCommit Bot <commit-bot@chromium.org>2019-10-05 00:47:53 +0000
commit44c473cdeae53aba84fc2ababeaeb7d022ea4dd7 (patch)
tree21e6b57ad698970f64c0e38cbf79cbd8e2f39e73 /chip/stm32
parent7200037dfc674977bffc3d58a15547d97f3ef681 (diff)
downloadchrome-ec-44c473cdeae53aba84fc2ababeaeb7d022ea4dd7.tar.gz
printf: Enable compile-time format checking
Add annotations to allow the compiler to check printf-style format strings in the EC. BUG=chromium:984041 TEST=make -j buildall BRANCH=None Change-Id: Ic39f37f8362372de7d289becea684d9da535599a Signed-off-by: Evan Green <evgreen@chromium.org> Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/1733101 Reviewed-by: Jack Rosenthal <jrosenth@chromium.org> Reviewed-by: Daisuke Nojiri <dnojiri@chromium.org>
Diffstat (limited to 'chip/stm32')
-rw-r--r--chip/stm32/debug_printf.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/chip/stm32/debug_printf.h b/chip/stm32/debug_printf.h
index 8738bc66cd..6091cfc7fc 100644
--- a/chip/stm32/debug_printf.h
+++ b/chip/stm32/debug_printf.h
@@ -8,6 +8,7 @@
#define __CROS_EC_DEBUG_H
#ifdef CONFIG_DEBUG_PRINTF
+__attribute__((__format__(__printf__, 1, 2)))
void debug_printf(const char *format, ...);
#else
#define debug_printf(...)