Francois Gouget : msi/tests: Ok_() takes printf-style arguments.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: a80b183af74194a06af3281ee272590a7134b7f1
URL:    https://gitlab.winehq.org/wine/wine/-/commit/a80b183af74194a06af3281ee272590...

Author: Francois Gouget <fgouget(a)codeweavers.com>
Date:   Fri Apr 21 13:13:59 2023 +0200

msi/tests: Ok_() takes printf-style arguments.

This lets the compiler check that the format and argument sizes match.

---

 dlls/msi/tests/custom.c | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/dlls/msi/tests/custom.c b/dlls/msi/tests/custom.c
index 6c73687b3c5..5b81deb2c94 100644
--- a/dlls/msi/tests/custom.c
+++ b/dlls/msi/tests/custom.c
@@ -32,9 +32,15 @@
 #include <msiquery.h>
 #include <msidefs.h>
 
+#if defined(__MINGW32__) || (!defined(__WINE_USE_MSVCRT) && (defined(__GNUC__) || defined(__clang__)))
+#define __WINE_PRINTF_ATTR(fmt,args) __attribute__((format (printf,fmt,args)))
+#else
+#define __WINE_PRINTF_ATTR(fmt,args)
+#endif
+
 static int todo_level, todo_do_loop;
 
-static void WINAPIV ok_(MSIHANDLE hinst, int todo, const char *file, int line, int condition, const char *msg, ...)
+static void WINAPIV  __WINE_PRINTF_ATTR(6,7) ok_(MSIHANDLE hinst, int todo, const char *file, int line, int condition, const char *msg, ...)
 {
     static char buffer[2000];
     MSIHANDLE record;