From: Jonathan Wakely <jwakely@redhat.com>
Date: Wed, 24 Feb 2021 22:25:31 +0000 (+0000)
Subject: libstdc++: Fix order of arguments to sprintf [PR 99261]
X-Git-Tag: basepoints/gcc-12~878
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=94bfe81afedb6dbba877ee7c9f047375366f8996;p=thirdparty%2Fgcc.git

libstdc++: Fix order of arguments to sprintf [PR 99261]

libstdc++-v3/ChangeLog:

	PR libstdc++/99261
	* src/c++17/floating_to_chars.cc (sprintf_ld): Add extra args
	before value to be printed.
---

diff --git a/libstdc++-v3/src/c++17/floating_to_chars.cc b/libstdc++-v3/src/c++17/floating_to_chars.cc
index f1512017aa3c..611747bb99e2 100644
--- a/libstdc++-v3/src/c++17/floating_to_chars.cc
+++ b/libstdc++-v3/src/c++17/floating_to_chars.cc
@@ -870,10 +870,10 @@ namespace
 
 #ifdef _GLIBCXX_LONG_DOUBLE_ALT128_COMPAT
     if constexpr (is_same_v<T, __ieee128>)
-      len = __sprintfieee128(buffer, format_string, value, args...);
+      len = __sprintfieee128(buffer, format_string, args..., value);
     else
 #endif
-    len = sprintf(buffer, format_string, value, args...);
+    len = sprintf(buffer, format_string, args..., value);
 
 #if _GLIBCXX_USE_C99_FENV_TR1 && defined(FE_TONEAREST)
     if (saved_rounding_mode != FE_TONEAREST)