Moved removeFile() and getUniqueFilename() into FileUtilities.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@7691 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Support/FileUtilities.cpp b/lib/Support/FileUtilities.cpp
index 35bdf1e..9f9ef30 100644
--- a/lib/Support/FileUtilities.cpp
+++ b/lib/Support/FileUtilities.cpp
@@ -54,3 +54,38 @@
std::remove(New.c_str());
}
}
+
+/// removeFile - Delete the specified file
+///
+void removeFile(const std::string &Filename) {
+ std::remove(Filename.c_str());
+}
+
+/// getUniqueFilename - Return a filename with the specified prefix. If the
+/// file does not exist yet, return it, otherwise add a suffix to make it
+/// unique.
+///
+std::string getUniqueFilename(const std::string &FilenameBase) {
+ if (!std::ifstream(FilenameBase.c_str()))
+ return FilenameBase; // Couldn't open the file? Use it!
+
+ // Create a pattern for mkstemp...
+ char *FNBuffer = new char[FilenameBase.size()+8];
+ strcpy(FNBuffer, FilenameBase.c_str());
+ strcpy(FNBuffer+FilenameBase.size(), "-XXXXXX");
+
+ // Agree on a temporary file name to use....
+ int TempFD;
+ if ((TempFD = mkstemp(FNBuffer)) == -1) {
+ std::cerr << "bugpoint: ERROR: Cannot create temporary file in the current "
+ << " directory!\n";
+ exit(1);
+ }
+
+ // We don't need to hold the temp file descriptor... we will trust that noone
+ // will overwrite/delete the file while we are working on it...
+ close(TempFD);
+ std::string Result(FNBuffer);
+ delete[] FNBuffer;
+ return Result;
+}