From 499e74c3cd21f77f72d45a56e25024685c9b7764 Mon Sep 17 00:00:00 2001 From: Yaron Keren Date: Thu, 4 Dec 2014 21:36:38 +0000 Subject: [PATCH] Silence warning: variable 'buffer' set but not used. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@223389 91177308-0d34-0410-b5e6-96231b3b80d8 --- lib/Support/Errno.cpp | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-) diff --git a/lib/Support/Errno.cpp b/lib/Support/Errno.cpp index 1eefa3e6f8d..3ba2a1277d0 100644 --- a/lib/Support/Errno.cpp +++ b/lib/Support/Errno.cpp @@ -35,12 +35,14 @@ std::string StrError() { #endif // HAVE_ERRNO_H std::string StrError(int errnum) { - const int MaxErrStrLen = 2000; - char buffer[MaxErrStrLen]; - buffer[0] = '\0'; std::string str; if (errnum == 0) return str; +#if defined(HAVE_STRERROR_R) || HAVE_DECL_STRERROR_S + const int MaxErrStrLen = 2000; + char buffer[MaxErrStrLen]; + buffer[0] = '\0'; +#endif #ifdef HAVE_STRERROR_R // strerror_r is thread-safe. -- 2.34.1