From c46e6a5940c50058e00c0c5f9123fd82e338d29a Mon Sep 17 00:00:00 2001 From: Dimitry Andric Date: Mon, 8 May 2017 17:12:57 +0000 Subject: Vendor import of llvm trunk r302418: https://llvm.org/svn/llvm-project/llvm/trunk@302418 --- lib/Support/Unix/Path.inc | 9 +++++---- 1 file changed, 5 insertions(+), 4 deletions(-) (limited to 'lib/Support/Unix/Path.inc') diff --git a/lib/Support/Unix/Path.inc b/lib/Support/Unix/Path.inc index 93f8982196b3c..fa28ba1b6ab6a 100644 --- a/lib/Support/Unix/Path.inc +++ b/lib/Support/Unix/Path.inc @@ -421,14 +421,15 @@ std::error_code resize_file(int FD, uint64_t Size) { #if defined(HAVE_POSIX_FALLOCATE) // If we have posix_fallocate use it. Unlike ftruncate it always allocates // space, so we get an error if the disk is full. - if (int Err = ::posix_fallocate(FD, 0, Size)) - return std::error_code(Err, std::generic_category()); -#else + if (int Err = ::posix_fallocate(FD, 0, Size)) { + if (Err != EOPNOTSUPP) + return std::error_code(Err, std::generic_category()); + } +#endif // Use ftruncate as a fallback. It may or may not allocate space. At least on // OS X with HFS+ it does. if (::ftruncate(FD, Size) == -1) return std::error_code(errno, std::generic_category()); -#endif return std::error_code(); } -- cgit v1.2.3