From cecd32f648cdf315ee19c0cf7c8c7cb9fb5d6ee6 Mon Sep 17 00:00:00 2001
From: Lennart Poettering <lennart@poettering.net>
Date: Mon, 24 Sep 2012 23:42:29 +0200
Subject: [PATCH] macro: increase VA_FORMAT_ADVANCE type array and hit assert
 when it is reached

---
 src/shared/macro.h | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/src/shared/macro.h b/src/shared/macro.h
index 0dd210afa..dbdf5b3fb 100644
--- a/src/shared/macro.h
+++ b/src/shared/macro.h
@@ -193,10 +193,12 @@ static inline size_t IOVEC_INCREMENT(struct iovec *i, unsigned n, size_t k) {
 #define _cleanup_closedir_ __attribute__((cleanup(closedirp)))
 #define _cleanup_umask_ __attribute__((cleanup(umaskp)))
 
-#define VA_FORMAT_ADVANCE(format, ap) do {                              \
-        int _argtypes[64];                                              \
+#define VA_FORMAT_ADVANCE(format, ap)                                   \
+do {                                                                    \
+        int _argtypes[128];                                             \
         size_t _i, _k;                                                  \
         _k = parse_printf_format((format), ELEMENTSOF(_argtypes), _argtypes); \
+        assert(_k < ELEMENTSOF(_argtypes));                             \
         for (_i = 0; _i < _k; _i++) {                                   \
                 if (_argtypes[_i] & PA_FLAG_PTR)  {                     \
                         (void) va_arg(ap, void*);                       \
-- 
2.30.2