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3d1b0c7331
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@7691 91177308-0d34-0410-b5e6-96231b3b80d8
40 lines
1.4 KiB
C++
40 lines
1.4 KiB
C++
//===- Support/FileUtilities.h - File System Utilities ----------*- C++ -*-===//
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//
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// This file defines a family of utility functions which are useful for doing
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// various things with files.
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//
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//===----------------------------------------------------------------------===//
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#ifndef SUPPORT_FILEUTILITIES_H
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#define SUPPORT_FILEUTILITIES_H
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#include <string>
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/// DiffFiles - Compare the two files specified, returning true if they are
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/// different or if there is a file error. If you specify a string to fill in
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/// for the error option, it will set the string to an error message if an error
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/// occurs, allowing the caller to distinguish between a failed diff and a file
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/// system error.
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///
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bool DiffFiles(const std::string &FileA, const std::string &FileB,
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std::string *Error = 0);
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/// MoveFileOverIfUpdated - If the file specified by New is different than Old,
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/// or if Old does not exist, move the New file over the Old file. Otherwise,
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/// remove the New file.
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///
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void MoveFileOverIfUpdated(const std::string &New, const std::string &Old);
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/// removeFile - Delete the specified file
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///
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void removeFile(const std::string &Filename);
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/// getUniqueFilename - Return a filename with the specified prefix. If the
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/// file does not exist yet, return it, otherwise add a suffix to make it
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/// unique.
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///
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std::string getUniqueFilename(const std::string &FilenameBase);
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#endif
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