LibC+Utilities: Add gnu::format attributes

Without these attributes present on these custom formatting functions, Clang would warn use about nonliteral format strings. As an added bonus, we now get type checking on these.
Author: https://github.com/BertalanD Commit: 98260c5862 Pull-request: https://github.com/SerenityOS/serenity/pull/8470 Reviewed-by: https://github.com/Dexesttp Reviewed-by: https://github.com/Hendiadyoin1 Reviewed-by: https://github.com/alimpfard Reviewed-by: https://github.com/gunnarbeutner ✅
2025-09-03 08:08:43 +00:00 · 2021-07-06 06:29:49 +02:00 · 2021-07-06 06:29:49 +02:00 · 98260c5862 · 2024-07-18 10:05:48 +09:00
commit 98260c5862
parent e8e628de57
2 changed files with 2 additions and 2 deletions
--- a/Userland/Utilities/test.cpp
+++ b/Userland/Utilities/test.cpp
@ -16,7 +16,7 @@

 bool g_there_was_an_error = false;

-[[noreturn]] static void fatal_error(const char* format, ...)
+[[noreturn, gnu::format(printf, 1, 2)]] static void fatal_error(const char* format, ...)
 {
    fputs("\033[31m", stderr);