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Add a higher level createTemporaryFile function.

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This function is inspired by clang's Driver::GetTemporaryPath. It hides the
pattern used for uniquing and requires simple file names that are always
placed in the system temporary directory.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@185716 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Rafael Espindola
2013-07-05 19:56:49 +00:00
parent fe3b2995aa
commit e11874f6c5
2 changed files with 50 additions and 0 deletions
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16
include/llvm/Support/FileSystem.h
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@@ -575,6 +575,22 @@ error_code unique_file(const Twine &model, int &result_fd,
error_code unique_file(const Twine &Model, SmallVectorImpl<char> &ResultPath,
bool MakeAbsolute = true);
/// @brief Create a file in the system temporary directory.
///
/// The filename is of the form prefix-random_chars.suffix. Since the directory
/// is not know to the caller, Prefix and Suffix cannot have path separators.
/// The files are created with mode 0600.
///
/// This should be used for things like a temporary .s that is removed after
/// running the assembler.
error_code createTemporaryFile(const Twine &Prefix, StringRef Suffix,
int &ResultFD,
SmallVectorImpl<char> &ResultPath);
/// @brief Simpler version for clients that don't want an open file.
error_code createTemporaryFile(const Twine &Prefix, StringRef Suffix,
SmallVectorImpl<char> &ResultPath);
error_code createUniqueDirectory(const Twine &Prefix,
SmallVectorImpl<char> &ResultPath);