createTemporaryFile semantics where it doesn't create a fully unique name
if the basename doesn't exist. This functionality is now optionally
provided by the boolean reuse_current parameter to createTemporaryFile and
makeUnique. The default values differ because of the way these functions
are used in LLVM.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@18961
91177308-0d34-0410-b5e6-
96231b3b80d8
/// already unique.
/// @throws std::string if an unrecoverable error occurs.
/// @brief Make the current path name unique in the file system.
- void makeUnique();
+ void makeUnique( bool reuse_current = true );
/// This method attempts to create a directory in the file system with the
/// same name as the Path object. The \p create_parents parameter controls
/// the newly generated temporary file name is unique in the file system.
/// @throws std::string if there is an error
/// @brief Create a unique temporary file
- bool createTemporaryFile();
+ bool createTemporaryFile(bool reuse_current = false);
/// This method attempts to destroy the directory named by the last in
/// the Path name. If \p remove_contents is false, an attempt will be
}
bool
-Path::createTemporaryFile() {
+Path::createTemporaryFile(bool reuse_current) {
// Make sure we're dealing with a file
if (!isFile())
return false;
// Make this into a unique file name
- makeUnique();
+ makeUnique( reuse_current );
// create the file
int outFile = ::open(path.c_str(), O_WRONLY|O_CREAT|O_TRUNC, 0666);
}
void
-Path::makeUnique() {
- if (!exists())
+Path::makeUnique(bool reuse_current) {
+ if (reuse_current && !exists())
return; // File doesn't exist already, just use it!
// Append an XXXXXX pattern to the end of the file for use with mkstemp,
}
bool
-Path::createTemporaryFile() {
+Path::createTemporaryFile(bool reuse_current) {
// Make sure we're dealing with a file
if (!isFile())
return false;
// Make this into a unique file name
- makeUnique();
+ makeUnique( reuse_current );
// create the file
int outFile = ::open(path.c_str(), O_WRONLY|O_CREAT|O_TRUNC, 0666);
}
void
-Path::makeUnique() {
- if (!exists())
+Path::makeUnique(bool reuse_current) {
+ if (reuse_current && !exists())
return; // File doesn't exist already, just use it!
// Append an XXXXXX pattern to the end of the file for use with mkstemp,
}
void
-Path::makeUnique() {
- if (!exists())
+Path::makeUnique( bool reuse_current ) {
+ if (reuse_current && !exists())
return; // File doesn't exist already, just use it!
Path dir (*this);
path = newName;
}
+bool
+Path::createTemporaryFile(bool reuse_current) {
+ // Make sure we're dealing with a file
+ if (!isFile())
+ return false;
+
+ // Make this into a unique file name
+ makeUnique( reuse_current );
+}
+
}
}
}
void
-Path::makeUnique() {
- if (!exists())
+Path::makeUnique( bool reuse_current ) {
+ if (reuse_current && !exists())
return; // File doesn't exist already, just use it!
Path dir (*this);
path = newName;
}
+bool
+Path::createTemporaryFile(bool reuse_current) {
+ // Make sure we're dealing with a file
+ if (!isFile())
+ return false;
+
+ // Make this into a unique file name
+ makeUnique( reuse_current );
+}
+
}
}