C++ (Cpp) JGetTempDirectory Examples

Example #1

File: jFileUtil_UNIX.cpp Project: mta1309/mulberry-lib-jx

JError
JCreateTempFile
	(
	const JCharacter*	path,
	const JCharacter*	prefix,
	JString*			fullName
	)
{
	JString p;
	if (!JStringEmpty(path))
		{
		p = path;
		}
	else if (!JGetTempDirectory(&p))
		{
		return JDirEntryDoesNotExist("/tmp");
		}

	if (!JStringEmpty(prefix))
		{
		p = JCombinePathAndName(p, prefix);
		}
	else
		{
		p = JCombinePathAndName(p, "temp_file_");
		}

	p      += "XXXXXX";
	char* s = p.AllocateCString();

	jclear_errno();
	int fd = mkstemp(s);
	if (fd != -1)
		{
		close(fd);
		*fullName = s;
		delete [] s;
		return JNoError();
		}

	fullName->Clear();
	delete [] s;

	// EINVAL counts as unexpected

	const int err = jerrno();
	if (err == EEXIST)
		{
		return JAccessDenied(p);
		}
	else
		{
		return JUnexpectedError(err);
		}
}

Example #2

File: jDirUtil.cpp Project: mbert/mulberry-lib-jx

JString
JGetUniqueDirEntryName
	(
	const JCharacter*	path,
	const JCharacter*	namePrefix,
	const JCharacter*	nameSuffix,
	const JIndex		startIndex
	)
{
	assert( !JStringEmpty(namePrefix) );

	JString fullPath;
	if (JStringEmpty(path))
		{
		if (!JGetTempDirectory(&fullPath))
			{
			fullPath = JGetCurrentDirectory();
			}
		}
	else
		{
		const JBoolean ok = JConvertToAbsolutePath(path, NULL, &fullPath);
		assert( ok );
		}
	assert( JDirectoryExists(fullPath) );

	const JString prefix = JCombinePathAndName(fullPath, namePrefix);

	JString name;
	for (JIndex i=startIndex; i<=kJIndexMax; i++)
		{
		name = prefix;
		if (i > 1)
			{
			name += JString(i, JString::kBase10);
			}
		if (!JStringEmpty(nameSuffix))
			{
			name += nameSuffix;
			}
		if (!JNameUsed(name))
			{
			break;
			}
		}
	return name;
}

Example #3

File: jDirUtil_UNIX.cpp Project: mta1309/mulberry-lib-jx

JError
JCreateTempDirectory
	(
	const JCharacter*	path,
	const JCharacter*	prefix,
	JString*			fullName
	)
{
	JString p;
	if (!JStringEmpty(path))
		{
		p = path;
		}
	else if (!JGetTempDirectory(&p))
		{
		return JDirEntryDoesNotExist("/tmp");
		}

	if (!JStringEmpty(prefix))
		{
		p = JCombinePathAndName(p, prefix);
		}
	else
		{
		p = JCombinePathAndName(p, "temp_dir_");
		}

	p      += "XXXXXX";
	char* s = p.AllocateCString();

	jclear_errno();
	char* d = mkdtemp(s);
	if (d != NULL)
		{
		*fullName = s;
		JAppendDirSeparator(fullName);
		delete [] s;
		return JNoError();
		}

	fullName->Clear();
	delete [] s;

	// EINVAL counts as unexpected

	const int err = jerrno();
	if (err == EEXIST)
		{
		return JDirEntryAlreadyExists(p);
		}
	else if (err == EFAULT)
		{
		return JSegFault();
		}
	else if (err == EACCES)
		{
		return JAccessDenied(p);
		}
	else if (err == ENAMETOOLONG)
		{
		return JNameTooLong();
		}
	else if (err == ENOENT)
		{
		return JBadPath(p);
		}
	else if (err == ENOTDIR)
		{
		return JComponentNotDirectory(p);
		}
	else if (err == ENOMEM)
		{
		return JNoKernelMemory();
		}
	else if (err == EROFS)
		{
		return JFileSystemReadOnly();
		}
	else if (err == ELOOP)
		{
		return JPathContainsLoop(p);
		}
	else if (err == ENOSPC)
		{
		return JFileSystemFull();
		}
	else
		{
		return JUnexpectedError(err);
		}
}

Example #4

File: jGlobals.cpp Project: raorn/jx_application_framework

void
JInitCore
	(
	JAssertBase*			ah,

	const JCharacter*		appSignature,
	const JCharacter**		defaultStringData,

	JUserNotification*		un,
	JChooseSaveFile*		csf,
	JCreateProgressDisplay*	cpg,

	JGetCurrentFontManager*	gcfm,
	JGetCurrentColormap*	gcc,

	const JCharacter*		defaultFontName,
	const JCharacter*		greekFontName,
	const JCharacter*		monospaceFontName
	)
{
	// assert handler

	if (ah != NULL)
		{
		theAssertHandler = ah;
		}
	// NULL is valid in this case -- see JGetAssertHandler()

	// socket library (mainly Windows)

	ACE_OS::socket_init();

	// signal handler

	JThisProcess::Initialize();

	// initialize write-once/read-many static data for thread safety

	JString s;
	JGetTempDirectory(&s);

	// string manager

	JStringManager* stringMgr = JGetStringManager();	// create it
	if (defaultStringData != NULL)
		{
		stringMgr->Register(appSignature, defaultStringData);
		}

	// user notification

	if (un != NULL)
		{
		theUserNotification = un;
		}
	else
		{
		theUserNotification = new JTextUserNotification;
		assert( theUserNotification != NULL );
		}

	// choose/save file

	if (csf != NULL)
		{
		theChooseSaveFile = csf;
		}
	else
		{
		theChooseSaveFile = new JTextChooseSaveFile;
		assert( theChooseSaveFile != NULL );
		}

	// progress display factory

	if (cpg != NULL)
		{
		theCreatePG = cpg;
		}
	else
		{
		theCreatePG = new JCreateTextPG;
		assert( theCreatePG != NULL );
		}

	// font manager

	if (gcfm != NULL)
		{
		theGetCurrFontMgr = gcfm;
		}

	// colormap

	if (gcc != NULL)
		{
		theGetCurrColormap = gcc;
		}

	// default font name

	if (!JStringEmpty(defaultFontName))
		{
		theDefaultFontName = new JString(defaultFontName);
		assert( theDefaultFontName != NULL );
		}

	// greek font name

	if (!JStringEmpty(greekFontName))
		{
		theGreekFontName = new JString(greekFontName);
		assert( theGreekFontName != NULL );
		}

	// monospace font name

	if (!JStringEmpty(monospaceFontName))
		{
		theMonospaceFontName = new JString(monospaceFontName);
		assert( theMonospaceFontName != NULL );
		}

	// remember to clean up

	atexit(JDeleteGlobals);
}