From 3031d571ef8751d45161e50ba35331c91d4a8284 Mon Sep 17 00:00:00 2001
From: Daniel Foster <daniel@amesite.me>
Date: Sat, 23 Nov 2024 17:58:58 +1000
Subject: [PATCH] lib: use __attribute__((format))

see HEAD~2 for details
---
 lib/status.c  | 1 +
 lib/vanilla.c | 5 +++++
 2 files changed, 6 insertions(+)

diff --git a/lib/status.c b/lib/status.c
index f63bc07..e2efdc9 100644
--- a/lib/status.c
+++ b/lib/status.c
@@ -19,6 +19,7 @@ void print_status(int errno)
     vanilla_log("%s", VANILLA_STATUS_STRINGS[-errno]);
 }
 
+__attribute__((format(printf, 1, 2)))
 void print_info(const char *errstr, ...)
 {
     va_list args;
diff --git a/lib/vanilla.c b/lib/vanilla.c
index d0d676a..159a5dd 100644
--- a/lib/vanilla.c
+++ b/lib/vanilla.c
@@ -113,12 +113,15 @@ void vanilla_set_touch(int x, int y)
     set_touch_state(x, y);
 }
 
+__attribute__((format(printf, 1, 0)))
 void default_logger(const char *format, va_list args)
 {
     vprintf(format, args);
 }
 
 void (*custom_logger)(const char *, va_list) = default_logger;
+
+__attribute__((format(printf, 1, 2)))
 void vanilla_log(const char *format, ...)
 {
     va_list va;
@@ -132,6 +135,7 @@ void vanilla_log(const char *format, ...)
     va_end(va);
 }
 
+__attribute__((format(printf, 1, 2)))
 void vanilla_log_no_newline(const char *format, ...)
 {
     va_list va;
@@ -142,6 +146,7 @@ void vanilla_log_no_newline(const char *format, ...)
     va_end(va);
 }
 
+__attribute__((format(printf, 1, 0)))
 void vanilla_log_no_newline_va(const char *format, va_list args)
 {
     if (custom_logger) {