Make FileOutputBuffer fail early if you pass a directory.
Previously, it created a temporary directory and then failed when
FileOutputBuffer tried to rename that file to the destination file
(which is actually a directory name).
Differential Revision: https://reviews.llvm.org/D30912
llvm-svn: 297679
diff --git a/llvm/lib/Support/FileOutputBuffer.cpp b/llvm/lib/Support/FileOutputBuffer.cpp
index 57e5a8d..731740d 100644
--- a/llvm/lib/Support/FileOutputBuffer.cpp
+++ b/llvm/lib/Support/FileOutputBuffer.cpp
@@ -57,6 +57,8 @@
// FIXME: In posix, you use the access() call to check this.
}
break;
+ case sys::fs::file_type::directory_file:
+ return errc::is_a_directory;
default:
if (EC)
return EC;