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| author | Evan Green <evgreen@chromium.org> | 2019-09-23 13:23:09 -0700 |
|---|---|---|
| committer | Commit Bot <commit-bot@chromium.org> | 2019-10-05 00:47:53 +0000 |
| commit | 44c473cdeae53aba84fc2ababeaeb7d022ea4dd7 (patch) | |
| tree | 21e6b57ad698970f64c0e38cbf79cbd8e2f39e73 /include/printf.h | |
| parent | 7200037dfc674977bffc3d58a15547d97f3ef681 (diff) | |
| download | chrome-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 'include/printf.h')
| -rw-r--r-- | include/printf.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/include/printf.h b/include/printf.h index ccd477cfbd..60baba629d 100644 --- a/include/printf.h +++ b/include/printf.h @@ -86,6 +86,7 @@ __stdlib_compat int vfnprintf(int (*addchar)(void *context, int c), * @param format Format string * @return EC_SUCCESS, or EC_ERROR_OVERFLOW if the output was truncated. */ +__attribute__((__format__(__printf__, 3, 4))) __stdlib_compat int snprintf(char *str, int size, const char *format, ...); /** |