c_[v]stpeprintf(): Use [[gnu::format(printf(...))]] attributeHEADmain

Signed-off-by: Alejandro Colomar <alx@kernel.org>

1 files changed, 2 insertions, 0 deletions

diff --git a/include/c/str/cpy/stp/stpe/stpeprintf.h b/include/c/str/cpy/stp/stpe/stpeprintf.h
index c46119c..bd419c2 100644
--- a/include/c/str/cpy/stp/stpe/stpeprintf.h
+++ b/include/c/str/cpy/stp/stpe/stpeprintf.h
@@ -15,8 +15,10 @@
 
 
 #pragma clang assume_nonnull begin
+[[gnu::format(printf, 3, 4)]]
 inline char *c_nullable c_stpeprintf(char *c_nullable dst, char *end,
     const char *restrict fmt, ...);
+[[gnu::format(printf, 3, 0)]]
 inline char *c_nullable c_vstpeprintf(char *c_nullable dst, char *end,
     const char *restrict fmt, va_list ap);