/src/hbfa-fl/HBFA/UefiHostTestPkg/Library/UefiDevicePathLibHost/UefiDevicePathLib.c

Source (jump to first uncovered line)
/** @file
  Device Path services. The thing to remember is device paths are built out of
  nodes. The device path is terminated by an end node that is length
  sizeof(EFI_DEVICE_PATH_PROTOCOL). That would be why there is sizeof(EFI_DEVICE_PATH_PROTOCOL)
  all over this file.

  The only place where multi-instance device paths are supported is in
  environment varibles. Multi-instance device paths should never be placed
  on a Handle.

  Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR>
  SPDX-License-Identifier: BSD-2-Clause-Patent

**/


#include "UefiDevicePathLib.h"

/**
  Returns the size of a device path in bytes.

  This function returns the size, in bytes, of the device path data structure
  specified by DevicePath including the end of device path node.
  If DevicePath is NULL or invalid, then 0 is returned.

  @param  DevicePath  A pointer to a device path data structure.

  @retval 0           If DevicePath is NULL or invalid.
  @retval Others      The size of a device path in bytes.

**/
UINTN
EFIAPI
GetDevicePathSize (
  IN CONST EFI_DEVICE_PATH_PROTOCOL  *DevicePath
  )
{
  return UefiDevicePathLibGetDevicePathSize (DevicePath);
}

/**
  Creates a new copy of an existing device path.

  This function allocates space for a new copy of the device path specified by DevicePath.
  If DevicePath is NULL, then NULL is returned.  If the memory is successfully
  allocated, then the contents of DevicePath are copied to the newly allocated
  buffer, and a pointer to that buffer is returned.  Otherwise, NULL is returned.
  The memory for the new device path is allocated from EFI boot services memory.
  It is the responsibility of the caller to free the memory allocated.

  @param  DevicePath    A pointer to a device path data structure.

  @retval NULL          DevicePath is NULL or invalid.
  @retval Others        A pointer to the duplicated device path.

**/
EFI_DEVICE_PATH_PROTOCOL *
EFIAPI
DuplicateDevicePath (
  IN CONST EFI_DEVICE_PATH_PROTOCOL  *DevicePath
  )
{
  return UefiDevicePathLibDuplicateDevicePath (DevicePath);
}

/**
  Creates a new device path by appending a second device path to a first device path.

  This function creates a new device path by appending a copy of SecondDevicePath
  to a copy of FirstDevicePath in a newly allocated buffer.  Only the end-of-device-path
  device node from SecondDevicePath is retained. The newly created device path is
  returned. If FirstDevicePath is NULL, then it is ignored, and a duplicate of
  SecondDevicePath is returned.  If SecondDevicePath is NULL, then it is ignored,
  and a duplicate of FirstDevicePath is returned. If both FirstDevicePath and
  SecondDevicePath are NULL, then a copy of an end-of-device-path is returned.

  If there is not enough memory for the newly allocated buffer, then NULL is returned.
  The memory for the new device path is allocated from EFI boot services memory.
  It is the responsibility of the caller to free the memory allocated.

  @param  FirstDevicePath            A pointer to a device path data structure.
  @param  SecondDevicePath           A pointer to a device path data structure.

  @retval NULL      If there is not enough memory for the newly allocated buffer.
  @retval NULL      If FirstDevicePath or SecondDevicePath is invalid.
  @retval Others    A pointer to the new device path if success.
                    Or a copy an end-of-device-path if both FirstDevicePath and SecondDevicePath are NULL.

**/
EFI_DEVICE_PATH_PROTOCOL *
EFIAPI
AppendDevicePath (
  IN CONST EFI_DEVICE_PATH_PROTOCOL  *FirstDevicePath,  OPTIONAL
  IN CONST EFI_DEVICE_PATH_PROTOCOL  *SecondDevicePath  OPTIONAL
  )
{
  return UefiDevicePathLibAppendDevicePath (FirstDevicePath, SecondDevicePath);
}

/**
  Creates a new path by appending the device node to the device path.

  This function creates a new device path by appending a copy of the device node
  specified by DevicePathNode to a copy of the device path specified by DevicePath
  in an allocated buffer. The end-of-device-path device node is moved after the
  end of the appended device node.
  If DevicePathNode is NULL then a copy of DevicePath is returned.
  If DevicePath is NULL then a copy of DevicePathNode, followed by an end-of-device
  path device node is returned.
  If both DevicePathNode and DevicePath are NULL then a copy of an end-of-device-path
  device node is returned.
  If there is not enough memory to allocate space for the new device path, then
  NULL is returned.
  The memory is allocated from EFI boot services memory. It is the responsibility
  of the caller to free the memory allocated.

  @param  DevicePath                 A pointer to a device path data structure.
  @param  DevicePathNode             A pointer to a single device path node.

  @retval NULL      If there is not enough memory for the new device path.
  @retval Others    A pointer to the new device path if success.
                    A copy of DevicePathNode followed by an end-of-device-path node
                    if both FirstDevicePath and SecondDevicePath are NULL.
                    A copy of an end-of-device-path node if both FirstDevicePath
                    and SecondDevicePath are NULL.

**/
EFI_DEVICE_PATH_PROTOCOL *
EFIAPI
AppendDevicePathNode (
  IN CONST EFI_DEVICE_PATH_PROTOCOL  *DevicePath,     OPTIONAL
  IN CONST EFI_DEVICE_PATH_PROTOCOL  *DevicePathNode  OPTIONAL
  )
{
  return UefiDevicePathLibAppendDevicePathNode (DevicePath, DevicePathNode);
}

/**
  Creates a new device path by appending the specified device path instance to the specified device
  path.

  This function creates a new device path by appending a copy of the device path
  instance specified by DevicePathInstance to a copy of the device path specified
  by DevicePath in a allocated buffer.
  The end-of-device-path device node is moved after the end of the appended device
  path instance and a new end-of-device-path-instance node is inserted between.
  If DevicePath is NULL, then a copy if DevicePathInstance is returned.
  If DevicePathInstance is NULL, then NULL is returned.
  If DevicePath or DevicePathInstance is invalid, then NULL is returned.
  If there is not enough memory to allocate space for the new device path, then
  NULL is returned.
  The memory is allocated from EFI boot services memory. It is the responsibility
  of the caller to free the memory allocated.

  @param  DevicePath                 A pointer to a device path data structure.
  @param  DevicePathInstance         A pointer to a device path instance.

  @return A pointer to the new device path.

**/
EFI_DEVICE_PATH_PROTOCOL *
EFIAPI
AppendDevicePathInstance (
  IN CONST EFI_DEVICE_PATH_PROTOCOL  *DevicePath,        OPTIONAL
  IN CONST EFI_DEVICE_PATH_PROTOCOL  *DevicePathInstance OPTIONAL
  )
{
  return UefiDevicePathLibAppendDevicePathInstance (DevicePath, DevicePathInstance);
}

/**
  Creates a copy of the current device path instance and returns a pointer to the next device path
  instance.

  This function creates a copy of the current device path instance. It also updates
  DevicePath to point to the next device path instance in the device path (or NULL
  if no more) and updates Size to hold the size of the device path instance copy.
  If DevicePath is NULL, then NULL is returned.
  If DevicePath points to a invalid device path, then NULL is returned.
  If there is not enough memory to allocate space for the new device path, then
  NULL is returned.
  The memory is allocated from EFI boot services memory. It is the responsibility
  of the caller to free the memory allocated.
  If Size is NULL, then ASSERT().

  @param  DevicePath                 On input, this holds the pointer to the current
                                     device path instance. On output, this holds
                                     the pointer to the next device path instance
                                     or NULL if there are no more device path
                                     instances in the device path pointer to a
                                     device path data structure.
  @param  Size                       On output, this holds the size of the device
                                     path instance, in bytes or zero, if DevicePath
                                     is NULL.

  @return A pointer to the current device path instance.

**/
EFI_DEVICE_PATH_PROTOCOL *
EFIAPI
GetNextDevicePathInstance (
  IN OUT EFI_DEVICE_PATH_PROTOCOL    **DevicePath,
  OUT UINTN                          *Size
  )
{
  return UefiDevicePathLibGetNextDevicePathInstance (DevicePath, Size);
}

/**
  Creates a device node.

  This function creates a new device node in a newly allocated buffer of size
  NodeLength and initializes the device path node header with NodeType and NodeSubType.
  The new device path node is returned.
  If NodeLength is smaller than a device path header, then NULL is returned.
  If there is not enough memory to allocate space for the new device path, then
  NULL is returned.
  The memory is allocated from EFI boot services memory. It is the responsibility
  of the caller to free the memory allocated.

  @param  NodeType                   The device node type for the new device node.
  @param  NodeSubType                The device node sub-type for the new device node.
  @param  NodeLength                 The length of the new device node.

  @return The new device path.

**/
EFI_DEVICE_PATH_PROTOCOL *
EFIAPI
CreateDeviceNode (
  IN UINT8                           NodeType,
  IN UINT8                           NodeSubType,
  IN UINT16                          NodeLength
  )
{
  return UefiDevicePathLibCreateDeviceNode (NodeType, NodeSubType, NodeLength);
}

/**
  Determines if a device path is single or multi-instance.

  This function returns TRUE if the device path specified by DevicePath is
  multi-instance.
  Otherwise, FALSE is returned.
  If DevicePath is NULL or invalid, then FALSE is returned.

  @param  DevicePath                 A pointer to a device path data structure.

  @retval  TRUE                      DevicePath is multi-instance.
  @retval  FALSE                     DevicePath is not multi-instance, or DevicePath
                                     is NULL or invalid.

**/
BOOLEAN
EFIAPI
IsDevicePathMultiInstance (
  IN CONST EFI_DEVICE_PATH_PROTOCOL  *DevicePath
  )
{
  return UefiDevicePathLibIsDevicePathMultiInstance (DevicePath);
}

/**
  Converts a device node to its string representation.

  @param DeviceNode        A Pointer to the device node to be converted.
  @param DisplayOnly       If DisplayOnly is TRUE, then the shorter text representation
                           of the display node is used, where applicable. If DisplayOnly
                           is FALSE, then the longer text representation of the display node
                           is used.
  @param AllowShortcuts    If AllowShortcuts is TRUE, then the shortcut forms of text
                           representation for a device node can be used, where applicable.

  @return A pointer to the allocated text representation of the device node or NULL if DeviceNode
          is NULL or there was insufficient memory.

**/
CHAR16 *
EFIAPI
ConvertDeviceNodeToText (
  IN CONST EFI_DEVICE_PATH_PROTOCOL  *DeviceNode,
  IN BOOLEAN                         DisplayOnly,
  IN BOOLEAN                         AllowShortcuts
  )
{
  return NULL;
}

/**
  Converts a device path to its text representation.

  @param DevicePath      A Pointer to the device to be converted.
  @param DisplayOnly     If DisplayOnly is TRUE, then the shorter text representation
                         of the display node is used, where applicable. If DisplayOnly
                         is FALSE, then the longer text representation of the display node
                         is used.
  @param AllowShortcuts  If AllowShortcuts is TRUE, then the shortcut forms of text
                         representation for a device node can be used, where applicable.

  @return A pointer to the allocated text representation of the device path or
          NULL if DeviceNode is NULL or there was insufficient memory.

**/
CHAR16 *
EFIAPI
ConvertDevicePathToText (
  IN CONST EFI_DEVICE_PATH_PROTOCOL   *DevicePath,
  IN BOOLEAN                          DisplayOnly,
  IN BOOLEAN                          AllowShortcuts
  )
{
  return NULL;
}

/**
  Convert text to the binary representation of a device node.

  @param TextDeviceNode  TextDeviceNode points to the text representation of a device
                         node. Conversion starts with the first character and continues
                         until the first non-device node character.

  @return A pointer to the EFI device node or NULL if TextDeviceNode is NULL or there was
          insufficient memory or text unsupported.

**/
EFI_DEVICE_PATH_PROTOCOL *
EFIAPI
ConvertTextToDeviceNode (
  IN CONST CHAR16 *TextDeviceNode
  )
{
  return NULL;
}

/**
  Convert text to the binary representation of a device path.


  @param TextDevicePath  TextDevicePath points to the text representation of a device
                         path. Conversion starts with the first character and continues
                         until the first non-device node character.

  @return A pointer to the allocated device path or NULL if TextDeviceNode is NULL or
          there was insufficient memory.

**/
EFI_DEVICE_PATH_PROTOCOL *
EFIAPI
ConvertTextToDevicePath (
  IN CONST CHAR16 *TextDevicePath
  )
{
  return NULL;
}

Coverage Report

Created: 2024-10-17 06:29

Line	Count	Source (jump to first uncovered line)
1		/** @file
2		Device Path services. The thing to remember is device paths are built out of
3		nodes. The device path is terminated by an end node that is length
4		sizeof(EFI_DEVICE_PATH_PROTOCOL). That would be why there is sizeof(EFI_DEVICE_PATH_PROTOCOL)
5		all over this file.
6
7		The only place where multi-instance device paths are supported is in
8		environment varibles. Multi-instance device paths should never be placed
9		on a Handle.
10
11		Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR>
12		SPDX-License-Identifier: BSD-2-Clause-Patent
13
14		**/
15
16
17		#include "UefiDevicePathLib.h"
18
19		/**
20		Returns the size of a device path in bytes.
21
22		This function returns the size, in bytes, of the device path data structure
23		specified by DevicePath including the end of device path node.
24		If DevicePath is NULL or invalid, then 0 is returned.
25
26		@param DevicePath A pointer to a device path data structure.
27
28		@retval 0 If DevicePath is NULL or invalid.
29		@retval Others The size of a device path in bytes.
30
31		**/
32		UINTN
33		EFIAPI
34		GetDevicePathSize (
35		IN CONST EFI_DEVICE_PATH_PROTOCOL *DevicePath
36		)
37	0	{
38	0	return UefiDevicePathLibGetDevicePathSize (DevicePath);
39	0	}
40
41		/**
42		Creates a new copy of an existing device path.
43
44		This function allocates space for a new copy of the device path specified by DevicePath.
45		If DevicePath is NULL, then NULL is returned. If the memory is successfully
46		allocated, then the contents of DevicePath are copied to the newly allocated
47		buffer, and a pointer to that buffer is returned. Otherwise, NULL is returned.
48		The memory for the new device path is allocated from EFI boot services memory.
49		It is the responsibility of the caller to free the memory allocated.
50
51		@param DevicePath A pointer to a device path data structure.
52
53		@retval NULL DevicePath is NULL or invalid.
54		@retval Others A pointer to the duplicated device path.
55
56		**/
57		EFI_DEVICE_PATH_PROTOCOL *
58		EFIAPI
59		DuplicateDevicePath (
60		IN CONST EFI_DEVICE_PATH_PROTOCOL *DevicePath
61		)
62	0	{
63	0	return UefiDevicePathLibDuplicateDevicePath (DevicePath);
64	0	}
65
66		/**
67		Creates a new device path by appending a second device path to a first device path.
68
69		This function creates a new device path by appending a copy of SecondDevicePath
70		to a copy of FirstDevicePath in a newly allocated buffer. Only the end-of-device-path
71		device node from SecondDevicePath is retained. The newly created device path is
72		returned. If FirstDevicePath is NULL, then it is ignored, and a duplicate of
73		SecondDevicePath is returned. If SecondDevicePath is NULL, then it is ignored,
74		and a duplicate of FirstDevicePath is returned. If both FirstDevicePath and
75		SecondDevicePath are NULL, then a copy of an end-of-device-path is returned.
76
77		If there is not enough memory for the newly allocated buffer, then NULL is returned.
78		The memory for the new device path is allocated from EFI boot services memory.
79		It is the responsibility of the caller to free the memory allocated.
80
81		@param FirstDevicePath A pointer to a device path data structure.
82		@param SecondDevicePath A pointer to a device path data structure.
83
84		@retval NULL If there is not enough memory for the newly allocated buffer.
85		@retval NULL If FirstDevicePath or SecondDevicePath is invalid.
86		@retval Others A pointer to the new device path if success.
87		Or a copy an end-of-device-path if both FirstDevicePath and SecondDevicePath are NULL.
88
89		**/
90		EFI_DEVICE_PATH_PROTOCOL *
91		EFIAPI
92		AppendDevicePath (
93		IN CONST EFI_DEVICE_PATH_PROTOCOL *FirstDevicePath, OPTIONAL
94		IN CONST EFI_DEVICE_PATH_PROTOCOL *SecondDevicePath OPTIONAL
95		)
96	0	{
97	0	return UefiDevicePathLibAppendDevicePath (FirstDevicePath, SecondDevicePath);
98	0	}
99
100		/**
101		Creates a new path by appending the device node to the device path.
102
103		This function creates a new device path by appending a copy of the device node
104		specified by DevicePathNode to a copy of the device path specified by DevicePath
105		in an allocated buffer. The end-of-device-path device node is moved after the
106		end of the appended device node.
107		If DevicePathNode is NULL then a copy of DevicePath is returned.
108		If DevicePath is NULL then a copy of DevicePathNode, followed by an end-of-device
109		path device node is returned.
110		If both DevicePathNode and DevicePath are NULL then a copy of an end-of-device-path
111		device node is returned.
112		If there is not enough memory to allocate space for the new device path, then
113		NULL is returned.
114		The memory is allocated from EFI boot services memory. It is the responsibility
115		of the caller to free the memory allocated.
116
117		@param DevicePath A pointer to a device path data structure.
118		@param DevicePathNode A pointer to a single device path node.
119
120		@retval NULL If there is not enough memory for the new device path.
121		@retval Others A pointer to the new device path if success.
122		A copy of DevicePathNode followed by an end-of-device-path node
123		if both FirstDevicePath and SecondDevicePath are NULL.
124		A copy of an end-of-device-path node if both FirstDevicePath
125		and SecondDevicePath are NULL.
126
127		**/
128		EFI_DEVICE_PATH_PROTOCOL *
129		EFIAPI
130		AppendDevicePathNode (
131		IN CONST EFI_DEVICE_PATH_PROTOCOL *DevicePath, OPTIONAL
132		IN CONST EFI_DEVICE_PATH_PROTOCOL *DevicePathNode OPTIONAL
133		)
134	0	{
135	0	return UefiDevicePathLibAppendDevicePathNode (DevicePath, DevicePathNode);
136	0	}
137
138		/**
139		Creates a new device path by appending the specified device path instance to the specified device
140		path.
141
142		This function creates a new device path by appending a copy of the device path
143		instance specified by DevicePathInstance to a copy of the device path specified
144		by DevicePath in a allocated buffer.
145		The end-of-device-path device node is moved after the end of the appended device
146		path instance and a new end-of-device-path-instance node is inserted between.
147		If DevicePath is NULL, then a copy if DevicePathInstance is returned.
148		If DevicePathInstance is NULL, then NULL is returned.
149		If DevicePath or DevicePathInstance is invalid, then NULL is returned.
150		If there is not enough memory to allocate space for the new device path, then
151		NULL is returned.
152		The memory is allocated from EFI boot services memory. It is the responsibility
153		of the caller to free the memory allocated.
154
155		@param DevicePath A pointer to a device path data structure.
156		@param DevicePathInstance A pointer to a device path instance.
157
158		@return A pointer to the new device path.
159
160		**/
161		EFI_DEVICE_PATH_PROTOCOL *
162		EFIAPI
163		AppendDevicePathInstance (
164		IN CONST EFI_DEVICE_PATH_PROTOCOL *DevicePath, OPTIONAL
165		IN CONST EFI_DEVICE_PATH_PROTOCOL *DevicePathInstance OPTIONAL
166		)
167	0	{
168	0	return UefiDevicePathLibAppendDevicePathInstance (DevicePath, DevicePathInstance);
169	0	}
170
171		/**
172		Creates a copy of the current device path instance and returns a pointer to the next device path
173		instance.
174
175		This function creates a copy of the current device path instance. It also updates
176		DevicePath to point to the next device path instance in the device path (or NULL
177		if no more) and updates Size to hold the size of the device path instance copy.
178		If DevicePath is NULL, then NULL is returned.
179		If DevicePath points to a invalid device path, then NULL is returned.
180		If there is not enough memory to allocate space for the new device path, then
181		NULL is returned.
182		The memory is allocated from EFI boot services memory. It is the responsibility
183		of the caller to free the memory allocated.
184		If Size is NULL, then ASSERT().
185
186		@param DevicePath On input, this holds the pointer to the current
187		device path instance. On output, this holds
188		the pointer to the next device path instance
189		or NULL if there are no more device path
190		instances in the device path pointer to a
191		device path data structure.
192		@param Size On output, this holds the size of the device
193		path instance, in bytes or zero, if DevicePath
194		is NULL.
195
196		@return A pointer to the current device path instance.
197
198		**/
199		EFI_DEVICE_PATH_PROTOCOL *
200		EFIAPI
201		GetNextDevicePathInstance (
202		IN OUT EFI_DEVICE_PATH_PROTOCOL **DevicePath,
203		OUT UINTN *Size
204		)
205	0	{
206	0	return UefiDevicePathLibGetNextDevicePathInstance (DevicePath, Size);
207	0	}
208
209		/**
210		Creates a device node.
211
212		This function creates a new device node in a newly allocated buffer of size
213		NodeLength and initializes the device path node header with NodeType and NodeSubType.
214		The new device path node is returned.
215		If NodeLength is smaller than a device path header, then NULL is returned.
216		If there is not enough memory to allocate space for the new device path, then
217		NULL is returned.
218		The memory is allocated from EFI boot services memory. It is the responsibility
219		of the caller to free the memory allocated.
220
221		@param NodeType The device node type for the new device node.
222		@param NodeSubType The device node sub-type for the new device node.
223		@param NodeLength The length of the new device node.
224
225		@return The new device path.
226
227		**/
228		EFI_DEVICE_PATH_PROTOCOL *
229		EFIAPI
230		CreateDeviceNode (
231		IN UINT8 NodeType,
232		IN UINT8 NodeSubType,
233		IN UINT16 NodeLength
234		)
235	0	{
236	0	return UefiDevicePathLibCreateDeviceNode (NodeType, NodeSubType, NodeLength);
237	0	}
238
239		/**
240		Determines if a device path is single or multi-instance.
241
242		This function returns TRUE if the device path specified by DevicePath is
243		multi-instance.
244		Otherwise, FALSE is returned.
245		If DevicePath is NULL or invalid, then FALSE is returned.
246
247		@param DevicePath A pointer to a device path data structure.
248
249		@retval TRUE DevicePath is multi-instance.
250		@retval FALSE DevicePath is not multi-instance, or DevicePath
251		is NULL or invalid.
252
253		**/
254		BOOLEAN
255		EFIAPI
256		IsDevicePathMultiInstance (
257		IN CONST EFI_DEVICE_PATH_PROTOCOL *DevicePath
258		)
259	0	{
260	0	return UefiDevicePathLibIsDevicePathMultiInstance (DevicePath);
261	0	}
262
263		/**
264		Converts a device node to its string representation.
265
266		@param DeviceNode A Pointer to the device node to be converted.
267		@param DisplayOnly If DisplayOnly is TRUE, then the shorter text representation
268		of the display node is used, where applicable. If DisplayOnly
269		is FALSE, then the longer text representation of the display node
270		is used.
271		@param AllowShortcuts If AllowShortcuts is TRUE, then the shortcut forms of text
272		representation for a device node can be used, where applicable.
273
274		@return A pointer to the allocated text representation of the device node or NULL if DeviceNode
275		is NULL or there was insufficient memory.
276
277		**/
278		CHAR16 *
279		EFIAPI
280		ConvertDeviceNodeToText (
281		IN CONST EFI_DEVICE_PATH_PROTOCOL *DeviceNode,
282		IN BOOLEAN DisplayOnly,
283		IN BOOLEAN AllowShortcuts
284		)
285	0	{
286	0	return NULL;
287	0	}
288
289		/**
290		Converts a device path to its text representation.
291
292		@param DevicePath A Pointer to the device to be converted.
293		@param DisplayOnly If DisplayOnly is TRUE, then the shorter text representation
294		of the display node is used, where applicable. If DisplayOnly
295		is FALSE, then the longer text representation of the display node
296		is used.
297		@param AllowShortcuts If AllowShortcuts is TRUE, then the shortcut forms of text
298		representation for a device node can be used, where applicable.
299
300		@return A pointer to the allocated text representation of the device path or
301		NULL if DeviceNode is NULL or there was insufficient memory.
302
303		**/
304		CHAR16 *
305		EFIAPI
306		ConvertDevicePathToText (
307		IN CONST EFI_DEVICE_PATH_PROTOCOL *DevicePath,
308		IN BOOLEAN DisplayOnly,
309		IN BOOLEAN AllowShortcuts
310		)
311	0	{
312	0	return NULL;
313	0	}
314
315		/**
316		Convert text to the binary representation of a device node.
317
318		@param TextDeviceNode TextDeviceNode points to the text representation of a device
319		node. Conversion starts with the first character and continues
320		until the first non-device node character.
321
322		@return A pointer to the EFI device node or NULL if TextDeviceNode is NULL or there was
323		insufficient memory or text unsupported.
324
325		**/
326		EFI_DEVICE_PATH_PROTOCOL *
327		EFIAPI
328		ConvertTextToDeviceNode (
329		IN CONST CHAR16 *TextDeviceNode
330		)
331	0	{
332	0	return NULL;
333	0	}
334
335		/**
336		Convert text to the binary representation of a device path.
337
338
339		@param TextDevicePath TextDevicePath points to the text representation of a device
340		path. Conversion starts with the first character and continues
341		until the first non-device node character.
342
343		@return A pointer to the allocated device path or NULL if TextDeviceNode is NULL or
344		there was insufficient memory.
345
346		**/
347		EFI_DEVICE_PATH_PROTOCOL *
348		EFIAPI
349		ConvertTextToDevicePath (
350		IN CONST CHAR16 *TextDevicePath
351		)
352	0	{
353	0	return NULL;
354	0	}