1 /*- 2 * Copyright (c) 2017 Netflix, Inc. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 7 * 1. Redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer. 9 * 2. Redistributions in binary form must reproduce the above copyright 10 * notice, this list of conditions and the following disclaimer in the 11 * documentation and/or other materials provided with the distribution. 12 * 13 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 14 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 16 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 17 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 18 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 19 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 20 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 21 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 22 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 23 * SUCH DAMAGE. 24 */ 25 26 /* 27 * Taken from MdePkg/Library/UefiDevicePathLib/UefiDevicePathLib.h 28 */ 29 30 /** @file 31 Definition for Device Path library. 32 33 Copyright (c) 2013 - 2018, Intel Corporation. All rights reserved.<BR> 34 SPDX-License-Identifier: BSD-2-Clause-Patent 35 36 **/ 37 38 #ifndef _UEFI_DEVICE_PATH_LIB_H_ 39 #define _UEFI_DEVICE_PATH_LIB_H_ 40 #include <Uefi.h> 41 #include <Protocol/DevicePathUtilities.h> 42 #include <Protocol/DebugPort.h> 43 #include <Protocol/DevicePathToText.h> 44 #include <Protocol/DevicePathFromText.h> 45 #include <Guid/PcAnsi.h> 46 #include <Library/DebugLib.h> 47 #include <Library/PrintLib.h> 48 #include <Library/BaseLib.h> 49 #include <Library/BaseMemoryLib.h> 50 #include <Library/MemoryAllocationLib.h> 51 #include <Library/UefiBootServicesTableLib.h> 52 #include <Library/DevicePathLib.h> 53 #include <Library/PcdLib.h> 54 #include <IndustryStandard/Bluetooth.h> 55 56 #define IS_COMMA(a) ((a) == ',') 57 #define IS_HYPHEN(a) ((a) == '-') 58 #define IS_DOT(a) ((a) == '.') 59 #define IS_LEFT_PARENTH(a) ((a) == '(') 60 #define IS_RIGHT_PARENTH(a) ((a) == ')') 61 #define IS_SLASH(a) ((a) == '/') 62 #define IS_NULL(a) ((a) == '\0') 63 64 // 65 // Private Data structure 66 // 67 typedef struct { 68 char *Str; 69 UINTN Count; 70 UINTN Capacity; 71 } POOL_PRINT; 72 73 typedef 74 EFI_DEVICE_PATH_PROTOCOL * 75 (*DEVICE_PATH_FROM_TEXT) ( 76 IN char *Str 77 ); 78 79 typedef 80 VOID 81 (*DEVICE_PATH_TO_TEXT) ( 82 IN OUT POOL_PRINT *Str, 83 IN VOID *DevicePath, 84 IN BOOLEAN DisplayOnly, 85 IN BOOLEAN AllowShortcuts 86 ); 87 88 typedef struct { 89 UINT8 Type; 90 UINT8 SubType; 91 DEVICE_PATH_TO_TEXT Function; 92 } DEVICE_PATH_TO_TEXT_TABLE; 93 94 typedef struct { 95 UINT8 Type; 96 const char *Text; 97 } DEVICE_PATH_TO_TEXT_GENERIC_TABLE; 98 99 typedef struct { 100 const char *DevicePathNodeText; 101 DEVICE_PATH_FROM_TEXT Function; 102 } DEVICE_PATH_FROM_TEXT_TABLE; 103 104 typedef struct { 105 BOOLEAN ClassExist; 106 UINT8 Class; 107 BOOLEAN SubClassExist; 108 UINT8 SubClass; 109 } USB_CLASS_TEXT; 110 111 #define USB_CLASS_AUDIO 1 112 #define USB_CLASS_CDCCONTROL 2 113 #define USB_CLASS_HID 3 114 #define USB_CLASS_IMAGE 6 115 #define USB_CLASS_PRINTER 7 116 #define USB_CLASS_MASS_STORAGE 8 117 #define USB_CLASS_HUB 9 118 #define USB_CLASS_CDCDATA 10 119 #define USB_CLASS_SMART_CARD 11 120 #define USB_CLASS_VIDEO 14 121 #define USB_CLASS_DIAGNOSTIC 220 122 #define USB_CLASS_WIRELESS 224 123 124 #define USB_CLASS_RESERVE 254 125 #define USB_SUBCLASS_FW_UPDATE 1 126 #define USB_SUBCLASS_IRDA_BRIDGE 2 127 #define USB_SUBCLASS_TEST 3 128 129 #define RFC_1700_UDP_PROTOCOL 17 130 #define RFC_1700_TCP_PROTOCOL 6 131 132 #pragma pack(1) 133 134 typedef struct { 135 EFI_DEVICE_PATH_PROTOCOL Header; 136 EFI_GUID Guid; 137 UINT8 VendorDefinedData[1]; 138 } VENDOR_DEFINED_HARDWARE_DEVICE_PATH; 139 140 typedef struct { 141 EFI_DEVICE_PATH_PROTOCOL Header; 142 EFI_GUID Guid; 143 UINT8 VendorDefinedData[1]; 144 } VENDOR_DEFINED_MESSAGING_DEVICE_PATH; 145 146 typedef struct { 147 EFI_DEVICE_PATH_PROTOCOL Header; 148 EFI_GUID Guid; 149 UINT8 VendorDefinedData[1]; 150 } VENDOR_DEFINED_MEDIA_DEVICE_PATH; 151 152 typedef struct { 153 EFI_DEVICE_PATH_PROTOCOL Header; 154 UINT32 Hid; 155 UINT32 Uid; 156 UINT32 Cid; 157 CHAR8 HidUidCidStr[3]; 158 } ACPI_EXTENDED_HID_DEVICE_PATH_WITH_STR; 159 160 typedef struct { 161 EFI_DEVICE_PATH_PROTOCOL Header; 162 UINT16 NetworkProtocol; 163 UINT16 LoginOption; 164 UINT64 Lun; 165 UINT16 TargetPortalGroupTag; 166 CHAR8 TargetName[1]; 167 } ISCSI_DEVICE_PATH_WITH_NAME; 168 169 typedef struct { 170 EFI_DEVICE_PATH_PROTOCOL Header; 171 EFI_GUID Guid; 172 UINT8 VendorDefinedData[1]; 173 } VENDOR_DEVICE_PATH_WITH_DATA; 174 175 #pragma pack() 176 177 #ifdef FreeBSD /* Remove these on FreeBSD */ 178 179 /** 180 Returns the size of a device path in bytes. 181 182 This function returns the size, in bytes, of the device path data structure 183 specified by DevicePath including the end of device path node. 184 If DevicePath is NULL or invalid, then 0 is returned. 185 186 @param DevicePath A pointer to a device path data structure. 187 188 @retval 0 If DevicePath is NULL or invalid. 189 @retval Others The size of a device path in bytes. 190 191 **/ 192 UINTN 193 EFIAPI 194 UefiDevicePathLibGetDevicePathSize ( 195 IN CONST EFI_DEVICE_PATH_PROTOCOL *DevicePath 196 ); 197 198 /** 199 Creates a new copy of an existing device path. 200 201 This function allocates space for a new copy of the device path specified by DevicePath. 202 If DevicePath is NULL, then NULL is returned. If the memory is successfully 203 allocated, then the contents of DevicePath are copied to the newly allocated 204 buffer, and a pointer to that buffer is returned. Otherwise, NULL is returned. 205 The memory for the new device path is allocated from EFI boot services memory. 206 It is the responsibility of the caller to free the memory allocated. 207 208 @param DevicePath A pointer to a device path data structure. 209 210 @retval NULL DevicePath is NULL or invalid. 211 @retval Others A pointer to the duplicated device path. 212 213 **/ 214 EFI_DEVICE_PATH_PROTOCOL * 215 EFIAPI 216 UefiDevicePathLibDuplicateDevicePath ( 217 IN CONST EFI_DEVICE_PATH_PROTOCOL *DevicePath 218 ); 219 220 /** 221 Creates a new device path by appending a second device path to a first device path. 222 223 This function creates a new device path by appending a copy of SecondDevicePath 224 to a copy of FirstDevicePath in a newly allocated buffer. Only the end-of-device-path 225 device node from SecondDevicePath is retained. The newly created device path is 226 returned. If FirstDevicePath is NULL, then it is ignored, and a duplicate of 227 SecondDevicePath is returned. If SecondDevicePath is NULL, then it is ignored, 228 and a duplicate of FirstDevicePath is returned. If both FirstDevicePath and 229 SecondDevicePath are NULL, then a copy of an end-of-device-path is returned. 230 231 If there is not enough memory for the newly allocated buffer, then NULL is returned. 232 The memory for the new device path is allocated from EFI boot services memory. 233 It is the responsibility of the caller to free the memory allocated. 234 235 @param FirstDevicePath A pointer to a device path data structure. 236 @param SecondDevicePath A pointer to a device path data structure. 237 238 @retval NULL If there is not enough memory for the newly allocated buffer. 239 @retval NULL If FirstDevicePath or SecondDevicePath is invalid. 240 @retval Others A pointer to the new device path if success. 241 Or a copy an end-of-device-path if both FirstDevicePath and SecondDevicePath are NULL. 242 243 **/ 244 EFI_DEVICE_PATH_PROTOCOL * 245 EFIAPI 246 UefiDevicePathLibAppendDevicePath ( 247 IN CONST EFI_DEVICE_PATH_PROTOCOL *FirstDevicePath OPTIONAL, 248 IN CONST EFI_DEVICE_PATH_PROTOCOL *SecondDevicePath OPTIONAL 249 ); 250 251 /** 252 Creates a new path by appending the device node to the device path. 253 254 This function creates a new device path by appending a copy of the device node 255 specified by DevicePathNode to a copy of the device path specified by DevicePath 256 in an allocated buffer. The end-of-device-path device node is moved after the 257 end of the appended device node. 258 If DevicePathNode is NULL then a copy of DevicePath is returned. 259 If DevicePath is NULL then a copy of DevicePathNode, followed by an end-of-device 260 path device node is returned. 261 If both DevicePathNode and DevicePath are NULL then a copy of an end-of-device-path 262 device node is returned. 263 If there is not enough memory to allocate space for the new device path, then 264 NULL is returned. 265 The memory is allocated from EFI boot services memory. It is the responsibility 266 of the caller to free the memory allocated. 267 268 @param DevicePath A pointer to a device path data structure. 269 @param DevicePathNode A pointer to a single device path node. 270 271 @retval NULL If there is not enough memory for the new device path. 272 @retval Others A pointer to the new device path if success. 273 A copy of DevicePathNode followed by an end-of-device-path node 274 if both FirstDevicePath and SecondDevicePath are NULL. 275 A copy of an end-of-device-path node if both FirstDevicePath 276 and SecondDevicePath are NULL. 277 278 **/ 279 EFI_DEVICE_PATH_PROTOCOL * 280 EFIAPI 281 UefiDevicePathLibAppendDevicePathNode ( 282 IN CONST EFI_DEVICE_PATH_PROTOCOL *DevicePath OPTIONAL, 283 IN CONST EFI_DEVICE_PATH_PROTOCOL *DevicePathNode OPTIONAL 284 ); 285 286 /** 287 Creates a new device path by appending the specified device path instance to the specified device 288 path. 289 290 This function creates a new device path by appending a copy of the device path 291 instance specified by DevicePathInstance to a copy of the device path specified 292 by DevicePath in a allocated buffer. 293 The end-of-device-path device node is moved after the end of the appended device 294 path instance and a new end-of-device-path-instance node is inserted between. 295 If DevicePath is NULL, then a copy if DevicePathInstance is returned. 296 If DevicePathInstance is NULL, then NULL is returned. 297 If DevicePath or DevicePathInstance is invalid, then NULL is returned. 298 If there is not enough memory to allocate space for the new device path, then 299 NULL is returned. 300 The memory is allocated from EFI boot services memory. It is the responsibility 301 of the caller to free the memory allocated. 302 303 @param DevicePath A pointer to a device path data structure. 304 @param DevicePathInstance A pointer to a device path instance. 305 306 @return A pointer to the new device path. 307 308 **/ 309 EFI_DEVICE_PATH_PROTOCOL * 310 EFIAPI 311 UefiDevicePathLibAppendDevicePathInstance ( 312 IN CONST EFI_DEVICE_PATH_PROTOCOL *DevicePath OPTIONAL, 313 IN CONST EFI_DEVICE_PATH_PROTOCOL *DevicePathInstance OPTIONAL 314 ); 315 316 /** 317 Creates a copy of the current device path instance and returns a pointer to the next device path 318 instance. 319 320 This function creates a copy of the current device path instance. It also updates 321 DevicePath to point to the next device path instance in the device path (or NULL 322 if no more) and updates Size to hold the size of the device path instance copy. 323 If DevicePath is NULL, then NULL is returned. 324 If DevicePath points to a invalid device path, then NULL is returned. 325 If there is not enough memory to allocate space for the new device path, then 326 NULL is returned. 327 The memory is allocated from EFI boot services memory. It is the responsibility 328 of the caller to free the memory allocated. 329 If Size is NULL, then ASSERT(). 330 331 @param DevicePath On input, this holds the pointer to the current 332 device path instance. On output, this holds 333 the pointer to the next device path instance 334 or NULL if there are no more device path 335 instances in the device path pointer to a 336 device path data structure. 337 @param Size On output, this holds the size of the device 338 path instance, in bytes or zero, if DevicePath 339 is NULL. 340 341 @return A pointer to the current device path instance. 342 343 **/ 344 EFI_DEVICE_PATH_PROTOCOL * 345 EFIAPI 346 UefiDevicePathLibGetNextDevicePathInstance ( 347 IN OUT EFI_DEVICE_PATH_PROTOCOL **DevicePath, 348 OUT UINTN *Size 349 ); 350 351 /** 352 Creates a device node. 353 354 This function creates a new device node in a newly allocated buffer of size 355 NodeLength and initializes the device path node header with NodeType and NodeSubType. 356 The new device path node is returned. 357 If NodeLength is smaller than a device path header, then NULL is returned. 358 If there is not enough memory to allocate space for the new device path, then 359 NULL is returned. 360 The memory is allocated from EFI boot services memory. It is the responsibility 361 of the caller to free the memory allocated. 362 363 @param NodeType The device node type for the new device node. 364 @param NodeSubType The device node sub-type for the new device node. 365 @param NodeLength The length of the new device node. 366 367 @return The new device path. 368 369 **/ 370 EFI_DEVICE_PATH_PROTOCOL * 371 EFIAPI 372 UefiDevicePathLibCreateDeviceNode ( 373 IN UINT8 NodeType, 374 IN UINT8 NodeSubType, 375 IN UINT16 NodeLength 376 ); 377 378 /** 379 Determines if a device path is single or multi-instance. 380 381 This function returns TRUE if the device path specified by DevicePath is 382 multi-instance. 383 Otherwise, FALSE is returned. 384 If DevicePath is NULL or invalid, then FALSE is returned. 385 386 @param DevicePath A pointer to a device path data structure. 387 388 @retval TRUE DevicePath is multi-instance. 389 @retval FALSE DevicePath is not multi-instance, or DevicePath 390 is NULL or invalid. 391 392 **/ 393 BOOLEAN 394 EFIAPI 395 UefiDevicePathLibIsDevicePathMultiInstance ( 396 IN CONST EFI_DEVICE_PATH_PROTOCOL *DevicePath 397 ); 398 399 /** 400 Converts a device path to its text representation. 401 402 @param DevicePath A Pointer to the device to be converted. 403 @param DisplayOnly If DisplayOnly is TRUE, then the shorter text representation 404 of the display node is used, where applicable. If DisplayOnly 405 is FALSE, then the longer text representation of the display node 406 is used. 407 @param AllowShortcuts If AllowShortcuts is TRUE, then the shortcut forms of text 408 representation for a device node can be used, where applicable. 409 410 @return A pointer to the allocated text representation of the device path or 411 NULL if DeviceNode is NULL or there was insufficient memory. 412 413 **/ 414 CHAR16 * 415 EFIAPI 416 UefiDevicePathLibConvertDevicePathToText ( 417 IN CONST EFI_DEVICE_PATH_PROTOCOL *DevicePath, 418 IN BOOLEAN DisplayOnly, 419 IN BOOLEAN AllowShortcuts 420 ); 421 422 /** 423 Converts a device node to its string representation. 424 425 @param DeviceNode A Pointer to the device node to be converted. 426 @param DisplayOnly If DisplayOnly is TRUE, then the shorter text representation 427 of the display node is used, where applicable. If DisplayOnly 428 is FALSE, then the longer text representation of the display node 429 is used. 430 @param AllowShortcuts If AllowShortcuts is TRUE, then the shortcut forms of text 431 representation for a device node can be used, where applicable. 432 433 @return A pointer to the allocated text representation of the device node or NULL if DeviceNode 434 is NULL or there was insufficient memory. 435 436 **/ 437 CHAR16 * 438 EFIAPI 439 UefiDevicePathLibConvertDeviceNodeToText ( 440 IN CONST EFI_DEVICE_PATH_PROTOCOL *DeviceNode, 441 IN BOOLEAN DisplayOnly, 442 IN BOOLEAN AllowShortcuts 443 ); 444 445 /** 446 Convert text to the binary representation of a device node. 447 448 @param TextDeviceNode TextDeviceNode points to the text representation of a device 449 node. Conversion starts with the first character and continues 450 until the first non-device node character. 451 452 @return A pointer to the EFI device node or NULL if TextDeviceNode is NULL or there was 453 insufficient memory or text unsupported. 454 455 **/ 456 EFI_DEVICE_PATH_PROTOCOL * 457 EFIAPI 458 UefiDevicePathLibConvertTextToDeviceNode ( 459 IN CONST CHAR16 *TextDeviceNode 460 ); 461 462 /** 463 Convert text to the binary representation of a device path. 464 465 466 @param TextDevicePath TextDevicePath points to the text representation of a device 467 path. Conversion starts with the first character and continues 468 until the first non-device node character. 469 470 @return A pointer to the allocated device path or NULL if TextDeviceNode is NULL or 471 there was insufficient memory. 472 473 **/ 474 EFI_DEVICE_PATH_PROTOCOL * 475 EFIAPI 476 UefiDevicePathLibConvertTextToDevicePath ( 477 IN CONST CHAR16 *TextDevicePath 478 ); 479 #else 480 481 /* 482 * Small FreeBSD shim layer. Fast and lose hacks to make this code work with FreeBSD. 483 */ 484 485 #include <ctype.h> 486 487 #define _PCD_GET_MODE_32_PcdMaximumDevicePathNodeCount 1000 488 #define MAX_UINTN UINTPTR_MAX 489 490 #define AllocatePool(x) malloc(x) 491 #define AllocateZeroPool(x) calloc(1,x) 492 #define AsciiStrLen(s) strlen(s) 493 #define CopyGuid(dst, src) memcpy(dst, src, sizeof(uuid_t)) 494 #define CopyMem(d, s, l) memcpy(d, s, l) 495 #define FreePool(x) free(x) 496 #define LShiftU64(x, s) ((x) << s) 497 #define ReadUnaligned64(x) le64dec(x) 498 #define ReallocatePool(old, new, ptr) realloc(ptr, new) 499 /* 500 * Quirky StrCmp returns 0 if equal, 1 if not. This is what the code 501 * expects, though that expectation is likely a bug (it casts the 502 * return value. EDK2's StrCmp returns values just like C's strcmp, 503 * but the parse code casts this to an UINTN, which is bogus. This 504 * definition papers over that bogusness to do the right thing. If 505 * iSCSI protocol string processing is ever fixed, we can remove this 506 * bletcherous kludge. 507 */ 508 #define StrCmp(a, b) (strcmp(a, b) != 0) 509 #define StrCpyS(d, l, s) strcpy(d, s) 510 #define StrHexToUint64(x) strtoll(x, NULL, 16) 511 #define StrHexToUintn(x) strtoll(x, NULL, 16) 512 #define StrLen(x) strlen(x) 513 #define StrSize(x) (strlen(x) + 1) 514 #define StrnCatS(d, l, s, len) strncat(d, s, len) 515 #define StrnCmp(a, b, n) strncmp(a, b, n) 516 #define StrnLenS(str, max) strlen(str) 517 #define Strtoi(x) strtol(x, NULL, 0) 518 #define Strtoi64(x, y) *(long long *)y = strtoll(x, NULL, 0) 519 #define SwapBytes64(u64) bswap64(u64) 520 #define UnicodeStrToAsciiStrS(src, dest, len) strlcpy(dest, src, len) 521 #define ZeroMem(p,l) memset(p, 0, l) 522 523 #undef ASSERT 524 #define ASSERT(x) 525 526 /* 527 * Define AllocateCopyPool and others so that we "forget" about the 528 * previous non-static deifnition since we want these to be static 529 * inlines. 530 */ 531 #define AllocateCopyPool AllocateCopyPoolFreeBSD 532 #define CompareGuid CompareGuidFreeBSD 533 #define StrHexToBytes StrHexToBytesFreeBSD 534 #define StrToGuid StrToGuidFreeBSD 535 #define WriteUnaligned64 WriteUnaligned64FreeBSD 536 537 static inline void * 538 AllocateCopyPool(size_t l, const void *p) 539 { 540 void *rv; 541 542 rv = malloc(l); 543 if (rv == NULL) 544 return NULL; 545 memcpy(rv, p, l); 546 return (rv); 547 } 548 549 static inline BOOLEAN 550 CompareGuid (const GUID *g1, const GUID *g2) 551 { 552 uint32_t ignored_status; 553 554 return (uuid_compare((const uuid_t *)g1, (const uuid_t *)g2, 555 &ignored_status) == 0); 556 } 557 558 static inline int 559 StrHexToBytes(const char *str, size_t len, uint8_t *buf, size_t buflen) 560 { 561 size_t i; 562 char hex[3]; 563 564 /* 565 * Sanity check preconditions. 566 */ 567 if (buflen != len / 2 || (len % 2) == 1) 568 return 1; 569 for (i = 0; i < len; i += 2) { 570 if (!isxdigit(str[i]) || !isxdigit(str[i + 1])) 571 return 1; 572 hex[0] = str[i]; 573 hex[1] = str[i + 1]; 574 hex[2] = '\0'; 575 buf[i / 2] = strtol(hex, NULL, 16); 576 } 577 return 0; 578 } 579 580 static inline void 581 StrToGuid(const char *str, GUID *guid) 582 { 583 uint32_t status; 584 585 uuid_from_string(str, (uuid_t *)guid, &status); 586 } 587 588 static inline void 589 WriteUnaligned64(void *ptr, uint64_t val) 590 { 591 memcpy(ptr, &val, sizeof(val)); 592 } 593 594 /* 595 * Hack to allow converting %g to %s in printfs. Hack because 596 * it's single entry, uses a static buffer, etc. Sufficient for 597 * the day for this file though. IF you ever have to convert 598 * two %g's in one format, punt. Did I mention this was super lame. 599 * Not to mention it's name.... Also, the error GUID is horrific. 600 */ 601 static inline const char * 602 guid_str(const GUID *g) 603 { 604 static char buf[36 + 1]; 605 char *str = NULL; 606 int32_t ignored_status; 607 608 uuid_to_string((const uuid_t *)g, &str, &ignored_status); 609 if (str != NULL) 610 strlcpy(buf, str, sizeof(buf)); 611 else 612 strlcpy(buf, "groot-cannot-decode-guid-groot-smash", 613 sizeof(buf)); /* ^^^^^^^ 36 characters ^^^^^^^ */ 614 free(str); 615 return buf; 616 } 617 #define G(x) guid_str((const GUID *)(const void *)x) 618 #endif 619 620 #undef GLOBAL_REMOVE_IF_UNREFERENCED 621 #define GLOBAL_REMOVE_IF_UNREFERENCED static 622 623 #endif 624