]>
Commit | Line | Data |
---|---|---|
30fdf114 | 1 | /** @file\r |
97fa0ee9 | 2 | Common basic Library Functions\r |
30fdf114 | 3 | \r |
3710ec21 | 4 | Copyright (c) 2004 - 2018, Intel Corporation. All rights reserved.<BR>\r |
2e351cbe | 5 | SPDX-License-Identifier: BSD-2-Clause-Patent\r |
30fdf114 | 6 | \r |
30fdf114 LG |
7 | **/\r |
8 | \r | |
9 | #include <stdio.h>\r | |
10 | #include <string.h>\r | |
11 | #include <stdlib.h>\r | |
12 | #include <ctype.h>\r | |
1be2ed90 HC |
13 | #ifdef __GNUC__\r |
14 | #include <unistd.h>\r | |
15 | #else\r | |
16 | #include <direct.h>\r | |
17 | #endif\r | |
30fdf114 LG |
18 | #include "CommonLib.h"\r |
19 | #include "EfiUtilityMsgs.h"\r | |
20 | \r | |
7dbc50bd YZ |
21 | #define SAFE_STRING_CONSTRAINT_CHECK(Expression, Status) \\r |
22 | do { \\r | |
23 | ASSERT (Expression); \\r | |
24 | if (!(Expression)) { \\r | |
25 | return Status; \\r | |
26 | } \\r | |
27 | } while (FALSE)\r | |
28 | \r | |
30fdf114 LG |
29 | VOID\r |
30 | PeiZeroMem (\r | |
31 | IN VOID *Buffer,\r | |
32 | IN UINTN Size\r | |
33 | )\r | |
34 | /*++\r | |
35 | \r | |
36 | Routine Description:\r | |
37 | \r | |
38 | Set Buffer to zero for Size bytes.\r | |
39 | \r | |
40 | Arguments:\r | |
41 | \r | |
42 | Buffer - Memory to set.\r | |
43 | \r | |
44 | Size - Number of bytes to set\r | |
45 | \r | |
46 | Returns:\r | |
47 | \r | |
48 | None\r | |
49 | \r | |
50 | --*/\r | |
51 | {\r | |
52 | INT8 *Ptr;\r | |
53 | \r | |
54 | Ptr = Buffer;\r | |
55 | while (Size--) {\r | |
56 | *(Ptr++) = 0;\r | |
57 | }\r | |
58 | }\r | |
59 | \r | |
60 | VOID\r | |
61 | PeiCopyMem (\r | |
62 | IN VOID *Destination,\r | |
63 | IN VOID *Source,\r | |
64 | IN UINTN Length\r | |
65 | )\r | |
66 | /*++\r | |
67 | \r | |
68 | Routine Description:\r | |
69 | \r | |
70 | Copy Length bytes from Source to Destination.\r | |
71 | \r | |
72 | Arguments:\r | |
73 | \r | |
74 | Destination - Target of copy\r | |
75 | \r | |
76 | Source - Place to copy from\r | |
77 | \r | |
78 | Length - Number of bytes to copy\r | |
79 | \r | |
80 | Returns:\r | |
81 | \r | |
82 | None\r | |
83 | \r | |
84 | --*/\r | |
85 | {\r | |
86 | CHAR8 *Destination8;\r | |
87 | CHAR8 *Source8;\r | |
88 | \r | |
89 | Destination8 = Destination;\r | |
90 | Source8 = Source;\r | |
91 | while (Length--) {\r | |
92 | *(Destination8++) = *(Source8++);\r | |
93 | }\r | |
94 | }\r | |
95 | \r | |
96 | VOID\r | |
97 | ZeroMem (\r | |
98 | IN VOID *Buffer,\r | |
99 | IN UINTN Size\r | |
100 | )\r | |
101 | {\r | |
102 | PeiZeroMem (Buffer, Size);\r | |
103 | }\r | |
104 | \r | |
105 | VOID\r | |
106 | CopyMem (\r | |
107 | IN VOID *Destination,\r | |
108 | IN VOID *Source,\r | |
109 | IN UINTN Length\r | |
110 | )\r | |
111 | {\r | |
112 | PeiCopyMem (Destination, Source, Length);\r | |
113 | }\r | |
114 | \r | |
115 | INTN\r | |
116 | CompareGuid (\r | |
117 | IN EFI_GUID *Guid1,\r | |
118 | IN EFI_GUID *Guid2\r | |
119 | )\r | |
120 | /*++\r | |
121 | \r | |
122 | Routine Description:\r | |
123 | \r | |
124 | Compares to GUIDs\r | |
125 | \r | |
126 | Arguments:\r | |
127 | \r | |
128 | Guid1 - guid to compare\r | |
129 | Guid2 - guid to compare\r | |
130 | \r | |
131 | Returns:\r | |
132 | = 0 if Guid1 == Guid2\r | |
f7496d71 | 133 | != 0 if Guid1 != Guid2\r |
30fdf114 LG |
134 | \r |
135 | --*/\r | |
136 | {\r | |
137 | INT32 *g1;\r | |
138 | INT32 *g2;\r | |
139 | INT32 r;\r | |
140 | \r | |
141 | //\r | |
142 | // Compare 32 bits at a time\r | |
143 | //\r | |
144 | g1 = (INT32 *) Guid1;\r | |
145 | g2 = (INT32 *) Guid2;\r | |
146 | \r | |
147 | r = g1[0] - g2[0];\r | |
148 | r |= g1[1] - g2[1];\r | |
149 | r |= g1[2] - g2[2];\r | |
150 | r |= g1[3] - g2[3];\r | |
151 | \r | |
152 | return r;\r | |
153 | }\r | |
154 | \r | |
155 | \r | |
156 | EFI_STATUS\r | |
157 | GetFileImage (\r | |
158 | IN CHAR8 *InputFileName,\r | |
159 | OUT CHAR8 **InputFileImage,\r | |
160 | OUT UINT32 *BytesRead\r | |
161 | )\r | |
162 | /*++\r | |
163 | \r | |
164 | Routine Description:\r | |
165 | \r | |
f7496d71 | 166 | This function opens a file and reads it into a memory buffer. The function\r |
30fdf114 LG |
167 | will allocate the memory buffer and returns the size of the buffer.\r |
168 | \r | |
169 | Arguments:\r | |
170 | \r | |
171 | InputFileName The name of the file to read.\r | |
172 | InputFileImage A pointer to the memory buffer.\r | |
173 | BytesRead The size of the memory buffer.\r | |
174 | \r | |
175 | Returns:\r | |
176 | \r | |
177 | EFI_SUCCESS The function completed successfully.\r | |
178 | EFI_INVALID_PARAMETER One of the input parameters was invalid.\r | |
179 | EFI_ABORTED An error occurred.\r | |
180 | EFI_OUT_OF_RESOURCES No resource to complete operations.\r | |
181 | \r | |
182 | --*/\r | |
183 | {\r | |
184 | FILE *InputFile;\r | |
185 | UINT32 FileSize;\r | |
186 | \r | |
187 | //\r | |
188 | // Verify input parameters.\r | |
189 | //\r | |
190 | if (InputFileName == NULL || strlen (InputFileName) == 0 || InputFileImage == NULL) {\r | |
191 | return EFI_INVALID_PARAMETER;\r | |
192 | }\r | |
193 | //\r | |
194 | // Open the file and copy contents into a memory buffer.\r | |
195 | //\r | |
196 | //\r | |
197 | // Open the file\r | |
198 | //\r | |
1be2ed90 | 199 | InputFile = fopen (LongFilePath (InputFileName), "rb");\r |
30fdf114 LG |
200 | if (InputFile == NULL) {\r |
201 | Error (NULL, 0, 0001, "Error opening the input file", InputFileName);\r | |
202 | return EFI_ABORTED;\r | |
203 | }\r | |
204 | //\r | |
205 | // Go to the end so that we can determine the file size\r | |
206 | //\r | |
207 | if (fseek (InputFile, 0, SEEK_END)) {\r | |
208 | Error (NULL, 0, 0004, "Error reading the input file", InputFileName);\r | |
209 | fclose (InputFile);\r | |
210 | return EFI_ABORTED;\r | |
211 | }\r | |
212 | //\r | |
213 | // Get the file size\r | |
214 | //\r | |
215 | FileSize = ftell (InputFile);\r | |
216 | if (FileSize == -1) {\r | |
217 | Error (NULL, 0, 0003, "Error parsing the input file", InputFileName);\r | |
218 | fclose (InputFile);\r | |
219 | return EFI_ABORTED;\r | |
220 | }\r | |
221 | //\r | |
222 | // Allocate a buffer\r | |
223 | //\r | |
224 | *InputFileImage = malloc (FileSize);\r | |
225 | if (*InputFileImage == NULL) {\r | |
226 | fclose (InputFile);\r | |
227 | return EFI_OUT_OF_RESOURCES;\r | |
228 | }\r | |
229 | //\r | |
230 | // Reset to the beginning of the file\r | |
231 | //\r | |
232 | if (fseek (InputFile, 0, SEEK_SET)) {\r | |
233 | Error (NULL, 0, 0004, "Error reading the input file", InputFileName);\r | |
234 | fclose (InputFile);\r | |
235 | free (*InputFileImage);\r | |
236 | *InputFileImage = NULL;\r | |
237 | return EFI_ABORTED;\r | |
238 | }\r | |
239 | //\r | |
240 | // Read all of the file contents.\r | |
241 | //\r | |
242 | *BytesRead = fread (*InputFileImage, sizeof (UINT8), FileSize, InputFile);\r | |
243 | if (*BytesRead != sizeof (UINT8) * FileSize) {\r | |
244 | Error (NULL, 0, 0004, "Error reading the input file", InputFileName);\r | |
245 | fclose (InputFile);\r | |
246 | free (*InputFileImage);\r | |
247 | *InputFileImage = NULL;\r | |
248 | return EFI_ABORTED;\r | |
249 | }\r | |
250 | //\r | |
251 | // Close the file\r | |
252 | //\r | |
253 | fclose (InputFile);\r | |
254 | \r | |
255 | return EFI_SUCCESS;\r | |
256 | }\r | |
257 | \r | |
258 | EFI_STATUS\r | |
259 | PutFileImage (\r | |
260 | IN CHAR8 *OutputFileName,\r | |
261 | IN CHAR8 *OutputFileImage,\r | |
262 | IN UINT32 BytesToWrite\r | |
263 | )\r | |
264 | /*++\r | |
265 | \r | |
266 | Routine Description:\r | |
267 | \r | |
268 | This function opens a file and writes OutputFileImage into the file.\r | |
269 | \r | |
270 | Arguments:\r | |
271 | \r | |
272 | OutputFileName The name of the file to write.\r | |
273 | OutputFileImage A pointer to the memory buffer.\r | |
274 | BytesToWrite The size of the memory buffer.\r | |
275 | \r | |
276 | Returns:\r | |
277 | \r | |
278 | EFI_SUCCESS The function completed successfully.\r | |
279 | EFI_INVALID_PARAMETER One of the input parameters was invalid.\r | |
280 | EFI_ABORTED An error occurred.\r | |
281 | EFI_OUT_OF_RESOURCES No resource to complete operations.\r | |
282 | \r | |
283 | --*/\r | |
284 | {\r | |
285 | FILE *OutputFile;\r | |
286 | UINT32 BytesWrote;\r | |
287 | \r | |
288 | //\r | |
289 | // Verify input parameters.\r | |
290 | //\r | |
291 | if (OutputFileName == NULL || strlen (OutputFileName) == 0 || OutputFileImage == NULL) {\r | |
292 | return EFI_INVALID_PARAMETER;\r | |
293 | }\r | |
294 | //\r | |
295 | // Open the file and copy contents into a memory buffer.\r | |
296 | //\r | |
297 | //\r | |
298 | // Open the file\r | |
299 | //\r | |
1be2ed90 | 300 | OutputFile = fopen (LongFilePath (OutputFileName), "wb");\r |
30fdf114 LG |
301 | if (OutputFile == NULL) {\r |
302 | Error (NULL, 0, 0001, "Error opening the output file", OutputFileName);\r | |
303 | return EFI_ABORTED;\r | |
304 | }\r | |
305 | \r | |
306 | //\r | |
307 | // Write all of the file contents.\r | |
308 | //\r | |
309 | BytesWrote = fwrite (OutputFileImage, sizeof (UINT8), BytesToWrite, OutputFile);\r | |
310 | if (BytesWrote != sizeof (UINT8) * BytesToWrite) {\r | |
311 | Error (NULL, 0, 0002, "Error writing the output file", OutputFileName);\r | |
312 | fclose (OutputFile);\r | |
313 | return EFI_ABORTED;\r | |
314 | }\r | |
315 | //\r | |
316 | // Close the file\r | |
317 | //\r | |
318 | fclose (OutputFile);\r | |
319 | \r | |
320 | return EFI_SUCCESS;\r | |
321 | }\r | |
322 | \r | |
323 | UINT8\r | |
324 | CalculateChecksum8 (\r | |
325 | IN UINT8 *Buffer,\r | |
326 | IN UINTN Size\r | |
327 | )\r | |
328 | /*++\r | |
f7496d71 | 329 | \r |
30fdf114 LG |
330 | Routine Description:\r |
331 | \r | |
332 | This function calculates the value needed for a valid UINT8 checksum\r | |
333 | \r | |
334 | Arguments:\r | |
335 | \r | |
336 | Buffer Pointer to buffer containing byte data of component.\r | |
337 | Size Size of the buffer\r | |
338 | \r | |
339 | Returns:\r | |
340 | \r | |
341 | The 8 bit checksum value needed.\r | |
342 | \r | |
343 | --*/\r | |
344 | {\r | |
345 | return (UINT8) (0x100 - CalculateSum8 (Buffer, Size));\r | |
346 | }\r | |
347 | \r | |
348 | UINT8\r | |
349 | CalculateSum8 (\r | |
350 | IN UINT8 *Buffer,\r | |
351 | IN UINTN Size\r | |
352 | )\r | |
353 | /*++\r | |
f7496d71 | 354 | \r |
30fdf114 LG |
355 | Routine Description::\r |
356 | \r | |
357 | This function calculates the UINT8 sum for the requested region.\r | |
358 | \r | |
359 | Arguments:\r | |
360 | \r | |
361 | Buffer Pointer to buffer containing byte data of component.\r | |
362 | Size Size of the buffer\r | |
363 | \r | |
364 | Returns:\r | |
365 | \r | |
366 | The 8 bit checksum value needed.\r | |
367 | \r | |
368 | --*/\r | |
369 | {\r | |
370 | UINTN Index;\r | |
371 | UINT8 Sum;\r | |
372 | \r | |
373 | Sum = 0;\r | |
374 | \r | |
375 | //\r | |
376 | // Perform the byte sum for buffer\r | |
377 | //\r | |
378 | for (Index = 0; Index < Size; Index++) {\r | |
379 | Sum = (UINT8) (Sum + Buffer[Index]);\r | |
380 | }\r | |
381 | \r | |
382 | return Sum;\r | |
383 | }\r | |
384 | \r | |
385 | UINT16\r | |
386 | CalculateChecksum16 (\r | |
387 | IN UINT16 *Buffer,\r | |
388 | IN UINTN Size\r | |
389 | )\r | |
390 | /*++\r | |
f7496d71 | 391 | \r |
30fdf114 LG |
392 | Routine Description::\r |
393 | \r | |
394 | This function calculates the value needed for a valid UINT16 checksum\r | |
395 | \r | |
396 | Arguments:\r | |
397 | \r | |
398 | Buffer Pointer to buffer containing byte data of component.\r | |
399 | Size Size of the buffer\r | |
400 | \r | |
401 | Returns:\r | |
402 | \r | |
403 | The 16 bit checksum value needed.\r | |
404 | \r | |
405 | --*/\r | |
406 | {\r | |
407 | return (UINT16) (0x10000 - CalculateSum16 (Buffer, Size));\r | |
408 | }\r | |
409 | \r | |
410 | UINT16\r | |
411 | CalculateSum16 (\r | |
412 | IN UINT16 *Buffer,\r | |
413 | IN UINTN Size\r | |
414 | )\r | |
415 | /*++\r | |
f7496d71 | 416 | \r |
30fdf114 LG |
417 | Routine Description:\r |
418 | \r | |
419 | This function calculates the UINT16 sum for the requested region.\r | |
420 | \r | |
421 | Arguments:\r | |
422 | \r | |
423 | Buffer Pointer to buffer containing byte data of component.\r | |
424 | Size Size of the buffer\r | |
425 | \r | |
426 | Returns:\r | |
427 | \r | |
428 | The 16 bit checksum\r | |
429 | \r | |
430 | --*/\r | |
431 | {\r | |
432 | UINTN Index;\r | |
433 | UINT16 Sum;\r | |
434 | \r | |
435 | Sum = 0;\r | |
436 | \r | |
437 | //\r | |
438 | // Perform the word sum for buffer\r | |
439 | //\r | |
440 | for (Index = 0; Index < Size; Index++) {\r | |
441 | Sum = (UINT16) (Sum + Buffer[Index]);\r | |
442 | }\r | |
443 | \r | |
444 | return (UINT16) Sum;\r | |
445 | }\r | |
446 | \r | |
447 | EFI_STATUS\r | |
448 | PrintGuid (\r | |
449 | IN EFI_GUID *Guid\r | |
450 | )\r | |
451 | /*++\r | |
452 | \r | |
453 | Routine Description:\r | |
454 | \r | |
455 | This function prints a GUID to STDOUT.\r | |
456 | \r | |
457 | Arguments:\r | |
458 | \r | |
459 | Guid Pointer to a GUID to print.\r | |
460 | \r | |
461 | Returns:\r | |
462 | \r | |
463 | EFI_SUCCESS The GUID was printed.\r | |
464 | EFI_INVALID_PARAMETER The input was NULL.\r | |
465 | \r | |
466 | --*/\r | |
467 | {\r | |
468 | if (Guid == NULL) {\r | |
469 | Error (NULL, 0, 2000, "Invalid parameter", "PrintGuidToBuffer() called with a NULL value");\r | |
470 | return EFI_INVALID_PARAMETER;\r | |
471 | }\r | |
472 | \r | |
473 | printf (\r | |
474 | "%08x-%04x-%04x-%02x%02x-%02x%02x%02x%02x%02x%02x\n",\r | |
fd171542 | 475 | (unsigned) Guid->Data1,\r |
30fdf114 LG |
476 | Guid->Data2,\r |
477 | Guid->Data3,\r | |
478 | Guid->Data4[0],\r | |
479 | Guid->Data4[1],\r | |
480 | Guid->Data4[2],\r | |
481 | Guid->Data4[3],\r | |
482 | Guid->Data4[4],\r | |
483 | Guid->Data4[5],\r | |
484 | Guid->Data4[6],\r | |
485 | Guid->Data4[7]\r | |
486 | );\r | |
487 | return EFI_SUCCESS;\r | |
488 | }\r | |
489 | \r | |
490 | EFI_STATUS\r | |
491 | PrintGuidToBuffer (\r | |
492 | IN EFI_GUID *Guid,\r | |
493 | IN OUT UINT8 *Buffer,\r | |
494 | IN UINT32 BufferLen,\r | |
495 | IN BOOLEAN Uppercase\r | |
496 | )\r | |
497 | /*++\r | |
498 | \r | |
499 | Routine Description:\r | |
500 | \r | |
501 | This function prints a GUID to a buffer\r | |
502 | \r | |
503 | Arguments:\r | |
504 | \r | |
505 | Guid - Pointer to a GUID to print.\r | |
506 | Buffer - Pointer to a user-provided buffer to print to\r | |
507 | BufferLen - Size of the Buffer\r | |
508 | Uppercase - If use upper case.\r | |
509 | \r | |
510 | Returns:\r | |
511 | \r | |
512 | EFI_SUCCESS The GUID was printed.\r | |
513 | EFI_INVALID_PARAMETER The input was NULL.\r | |
514 | EFI_BUFFER_TOO_SMALL The input buffer was not big enough\r | |
f7496d71 | 515 | \r |
30fdf114 LG |
516 | --*/\r |
517 | {\r | |
518 | if (Guid == NULL) {\r | |
519 | Error (NULL, 0, 2000, "Invalid parameter", "PrintGuidToBuffer() called with a NULL value");\r | |
520 | return EFI_INVALID_PARAMETER;\r | |
521 | }\r | |
522 | \r | |
523 | if (BufferLen < PRINTED_GUID_BUFFER_SIZE) {\r | |
524 | Error (NULL, 0, 2000, "Invalid parameter", "PrintGuidToBuffer() called with invalid buffer size");\r | |
525 | return EFI_BUFFER_TOO_SMALL;\r | |
526 | }\r | |
527 | \r | |
528 | if (Uppercase) {\r | |
529 | sprintf (\r | |
530 | (CHAR8 *)Buffer,\r | |
531 | "%08X-%04X-%04X-%02X%02X-%02X%02X%02X%02X%02X%02X",\r | |
fd171542 | 532 | (unsigned) Guid->Data1,\r |
30fdf114 LG |
533 | Guid->Data2,\r |
534 | Guid->Data3,\r | |
535 | Guid->Data4[0],\r | |
536 | Guid->Data4[1],\r | |
537 | Guid->Data4[2],\r | |
538 | Guid->Data4[3],\r | |
539 | Guid->Data4[4],\r | |
540 | Guid->Data4[5],\r | |
541 | Guid->Data4[6],\r | |
542 | Guid->Data4[7]\r | |
543 | );\r | |
544 | } else {\r | |
545 | sprintf (\r | |
546 | (CHAR8 *)Buffer,\r | |
547 | "%08x-%04x-%04x-%02x%02x-%02x%02x%02x%02x%02x%02x",\r | |
fd171542 | 548 | (unsigned) Guid->Data1,\r |
30fdf114 LG |
549 | Guid->Data2,\r |
550 | Guid->Data3,\r | |
551 | Guid->Data4[0],\r | |
552 | Guid->Data4[1],\r | |
553 | Guid->Data4[2],\r | |
554 | Guid->Data4[3],\r | |
555 | Guid->Data4[4],\r | |
556 | Guid->Data4[5],\r | |
557 | Guid->Data4[6],\r | |
558 | Guid->Data4[7]\r | |
559 | );\r | |
560 | }\r | |
561 | \r | |
562 | return EFI_SUCCESS;\r | |
563 | }\r | |
564 | \r | |
565 | #ifdef __GNUC__\r | |
566 | \r | |
567 | size_t _filelength(int fd)\r | |
568 | {\r | |
569 | struct stat stat_buf;\r | |
570 | fstat(fd, &stat_buf);\r | |
571 | return stat_buf.st_size;\r | |
572 | }\r | |
573 | \r | |
574 | #ifndef __CYGWIN__\r | |
575 | char *strlwr(char *s)\r | |
576 | {\r | |
577 | char *p = s;\r | |
578 | for(;*s;s++) {\r | |
579 | *s = tolower(*s);\r | |
580 | }\r | |
581 | return p;\r | |
582 | }\r | |
583 | #endif\r | |
584 | #endif\r | |
1be2ed90 HC |
585 | \r |
586 | #define WINDOWS_EXTENSION_PATH "\\\\?\\"\r | |
587 | #define WINDOWS_UNC_EXTENSION_PATH "\\\\?\\UNC"\r | |
588 | \r | |
589 | //\r | |
f7496d71 | 590 | // Global data to store full file path. It is not required to be free.\r |
1be2ed90 HC |
591 | //\r |
592 | CHAR8 mCommonLibFullPath[MAX_LONG_FILE_PATH];\r | |
593 | \r | |
594 | CHAR8 *\r | |
595 | LongFilePath (\r | |
596 | IN CHAR8 *FileName\r | |
597 | )\r | |
598 | /*++\r | |
599 | \r | |
600 | Routine Description:\r | |
f7496d71 | 601 | Convert FileName to the long file path, which can support larger than 260 length.\r |
1be2ed90 HC |
602 | \r |
603 | Arguments:\r | |
f7496d71 | 604 | FileName - FileName.\r |
1be2ed90 HC |
605 | \r |
606 | Returns:\r | |
607 | LongFilePath A pointer to the converted long file path.\r | |
f7496d71 | 608 | \r |
1be2ed90 HC |
609 | --*/\r |
610 | {\r | |
611 | #ifdef __GNUC__\r | |
612 | //\r | |
f7496d71 LG |
613 | // __GNUC__ may not be good way to differentiate unix and windows. Need more investigation here.\r |
614 | // unix has no limitation on file path. Just return FileName.\r | |
1be2ed90 HC |
615 | //\r |
616 | return FileName;\r | |
617 | #else\r | |
618 | CHAR8 *RootPath;\r | |
619 | CHAR8 *PathPointer;\r | |
620 | CHAR8 *NextPointer;\r | |
f7496d71 | 621 | \r |
1be2ed90 | 622 | PathPointer = (CHAR8 *) FileName;\r |
f7496d71 | 623 | \r |
1be2ed90 HC |
624 | if (FileName != NULL) {\r |
625 | //\r | |
f7496d71 | 626 | // Add the extension string first to support long file path.\r |
1be2ed90 HC |
627 | //\r |
628 | mCommonLibFullPath[0] = 0;\r | |
629 | strcpy (mCommonLibFullPath, WINDOWS_EXTENSION_PATH);\r | |
630 | \r | |
631 | if (strlen (FileName) > 1 && FileName[0] == '\\' && FileName[1] == '\\') {\r | |
632 | //\r | |
633 | // network path like \\server\share to \\?\UNC\server\share\r | |
634 | //\r | |
635 | strcpy (mCommonLibFullPath, WINDOWS_UNC_EXTENSION_PATH);\r | |
636 | FileName ++;\r | |
637 | } else if (strlen (FileName) < 3 || FileName[1] != ':' || (FileName[2] != '\\' && FileName[2] != '/')) {\r | |
638 | //\r | |
f7496d71 | 639 | // Relative file path. Convert it to absolute path.\r |
1be2ed90 HC |
640 | //\r |
641 | RootPath = getcwd (NULL, 0);\r | |
642 | if (RootPath != NULL) {\r | |
938cf4b9 HW |
643 | if (strlen (mCommonLibFullPath) + strlen (RootPath) > MAX_LONG_FILE_PATH - 1) {\r |
644 | Error (NULL, 0, 2000, "Invalid parameter", "RootPath is too long!");\r | |
645 | free (RootPath);\r | |
646 | return NULL;\r | |
647 | }\r | |
648 | strncat (mCommonLibFullPath, RootPath, MAX_LONG_FILE_PATH - strlen (mCommonLibFullPath) - 1);\r | |
1be2ed90 | 649 | if (FileName[0] != '\\' && FileName[0] != '/') {\r |
938cf4b9 HW |
650 | if (strlen (mCommonLibFullPath) + 1 > MAX_LONG_FILE_PATH - 1) {\r |
651 | Error (NULL, 0, 2000, "Invalid parameter", "RootPath is too long!");\r | |
652 | free (RootPath);\r | |
653 | return NULL;\r | |
654 | }\r | |
1be2ed90 HC |
655 | //\r |
656 | // Attach directory separator\r | |
657 | //\r | |
938cf4b9 | 658 | strncat (mCommonLibFullPath, "\\", MAX_LONG_FILE_PATH - strlen (mCommonLibFullPath) - 1);\r |
1be2ed90 HC |
659 | }\r |
660 | free (RootPath);\r | |
661 | }\r | |
662 | }\r | |
663 | \r | |
664 | //\r | |
665 | // Construct the full file path\r | |
666 | //\r | |
b3520abd HW |
667 | if (strlen (mCommonLibFullPath) + strlen (FileName) > MAX_LONG_FILE_PATH - 1) {\r |
668 | Error (NULL, 0, 2000, "Invalid parameter", "FileName %s is too long!", FileName);\r | |
669 | return NULL;\r | |
670 | }\r | |
671 | strncat (mCommonLibFullPath, FileName, MAX_LONG_FILE_PATH - strlen (mCommonLibFullPath) - 1);\r | |
f7496d71 | 672 | \r |
1be2ed90 HC |
673 | //\r |
674 | // Convert directory separator '/' to '\\'\r | |
675 | //\r | |
676 | PathPointer = (CHAR8 *) mCommonLibFullPath;\r | |
677 | do {\r | |
678 | if (*PathPointer == '/') {\r | |
679 | *PathPointer = '\\';\r | |
680 | }\r | |
681 | } while (*PathPointer ++ != '\0');\r | |
f7496d71 | 682 | \r |
51b8553f HC |
683 | //\r |
684 | // Convert ":\\\\" to ":\\", because it doesn't work with WINDOWS_EXTENSION_PATH.\r | |
685 | //\r | |
686 | if ((PathPointer = strstr (mCommonLibFullPath, ":\\\\")) != NULL) {\r | |
687 | *(PathPointer + 2) = '\0';\r | |
938cf4b9 | 688 | strncat (mCommonLibFullPath, PathPointer + 3, MAX_LONG_FILE_PATH - strlen (mCommonLibFullPath) - 1);\r |
51b8553f | 689 | }\r |
f7496d71 | 690 | \r |
e878891e LG |
691 | //\r |
692 | // Convert ".\\" to "", because it doesn't work with WINDOWS_EXTENSION_PATH.\r | |
693 | //\r | |
694 | while ((PathPointer = strstr (mCommonLibFullPath, ".\\")) != NULL) {\r | |
695 | *PathPointer = '\0';\r | |
938cf4b9 | 696 | strncat (mCommonLibFullPath, PathPointer + 2, MAX_LONG_FILE_PATH - strlen (mCommonLibFullPath) - 1);\r |
e878891e | 697 | }\r |
f7496d71 | 698 | \r |
1be2ed90 HC |
699 | //\r |
700 | // Convert "\\.\\" to "\\", because it doesn't work with WINDOWS_EXTENSION_PATH.\r | |
701 | //\r | |
702 | while ((PathPointer = strstr (mCommonLibFullPath, "\\.\\")) != NULL) {\r | |
703 | *PathPointer = '\0';\r | |
938cf4b9 | 704 | strncat (mCommonLibFullPath, PathPointer + 2, MAX_LONG_FILE_PATH - strlen (mCommonLibFullPath) - 1);\r |
1be2ed90 | 705 | }\r |
e878891e | 706 | \r |
1be2ed90 HC |
707 | //\r |
708 | // Convert "\\..\\" to last directory, because it doesn't work with WINDOWS_EXTENSION_PATH.\r | |
709 | //\r | |
710 | while ((PathPointer = strstr (mCommonLibFullPath, "\\..\\")) != NULL) {\r | |
711 | NextPointer = PathPointer + 3;\r | |
712 | do {\r | |
713 | PathPointer --;\r | |
714 | } while (PathPointer > mCommonLibFullPath && *PathPointer != ':' && *PathPointer != '\\');\r | |
715 | \r | |
716 | if (*PathPointer == '\\') {\r | |
717 | //\r | |
718 | // Skip one directory\r | |
719 | //\r | |
720 | *PathPointer = '\0';\r | |
938cf4b9 | 721 | strncat (mCommonLibFullPath, NextPointer, MAX_LONG_FILE_PATH - strlen (mCommonLibFullPath) - 1);\r |
1be2ed90 HC |
722 | } else {\r |
723 | //\r | |
724 | // No directory is found. Just break.\r | |
725 | //\r | |
726 | break;\r | |
727 | }\r | |
728 | }\r | |
f7496d71 | 729 | \r |
1be2ed90 HC |
730 | PathPointer = mCommonLibFullPath;\r |
731 | }\r | |
f7496d71 | 732 | \r |
1be2ed90 HC |
733 | return PathPointer;\r |
734 | #endif\r | |
735 | }\r | |
7dbc50bd YZ |
736 | \r |
737 | CHAR16\r | |
738 | InternalCharToUpper (\r | |
739 | CHAR16 Char\r | |
740 | )\r | |
741 | {\r | |
742 | if (Char >= L'a' && Char <= L'z') {\r | |
743 | return (CHAR16) (Char - (L'a' - L'A'));\r | |
744 | }\r | |
745 | \r | |
746 | return Char;\r | |
747 | }\r | |
748 | \r | |
749 | UINTN\r | |
750 | StrnLenS (\r | |
751 | CONST CHAR16 *String,\r | |
752 | UINTN MaxSize\r | |
753 | )\r | |
754 | {\r | |
755 | UINTN Length;\r | |
756 | \r | |
757 | ASSERT (((UINTN) String & BIT0) == 0);\r | |
758 | \r | |
759 | //\r | |
760 | // If String is a null pointer or MaxSize is 0, then the StrnLenS function returns zero.\r | |
761 | //\r | |
762 | if ((String == NULL) || (MaxSize == 0)) {\r | |
763 | return 0;\r | |
764 | }\r | |
765 | \r | |
766 | Length = 0;\r | |
767 | while (String[Length] != 0) {\r | |
768 | if (Length >= MaxSize - 1) {\r | |
769 | return MaxSize;\r | |
770 | }\r | |
771 | Length++;\r | |
772 | }\r | |
773 | return Length;\r | |
774 | }\r | |
775 | \r | |
776 | \r | |
777 | VOID *\r | |
778 | InternalAllocatePool (\r | |
779 | UINTN AllocationSize\r | |
780 | )\r | |
781 | {\r | |
782 | VOID * Memory;\r | |
783 | \r | |
784 | Memory = malloc(AllocationSize);\r | |
785 | ASSERT(Memory != NULL);\r | |
786 | return Memory;\r | |
787 | }\r | |
788 | \r | |
789 | \r | |
790 | VOID *\r | |
791 | InternalReallocatePool (\r | |
792 | UINTN OldSize,\r | |
793 | UINTN NewSize,\r | |
794 | VOID *OldBuffer OPTIONAL\r | |
795 | )\r | |
796 | {\r | |
797 | VOID *NewBuffer;\r | |
798 | \r | |
799 | NewBuffer = AllocateZeroPool (NewSize);\r | |
800 | if (NewBuffer != NULL && OldBuffer != NULL) {\r | |
801 | memcpy (NewBuffer, OldBuffer, MIN (OldSize, NewSize));\r | |
802 | free(OldBuffer);\r | |
803 | }\r | |
804 | return NewBuffer;\r | |
805 | }\r | |
806 | \r | |
807 | VOID *\r | |
808 | ReallocatePool (\r | |
809 | UINTN OldSize,\r | |
810 | UINTN NewSize,\r | |
811 | VOID *OldBuffer OPTIONAL\r | |
812 | )\r | |
813 | {\r | |
814 | return InternalReallocatePool (OldSize, NewSize, OldBuffer);\r | |
815 | }\r | |
816 | \r | |
817 | /**\r | |
818 | Returns the length of a Null-terminated Unicode string.\r | |
819 | \r | |
820 | This function returns the number of Unicode characters in the Null-terminated\r | |
821 | Unicode string specified by String.\r | |
822 | \r | |
823 | If String is NULL, then ASSERT().\r | |
824 | If String is not aligned on a 16-bit boundary, then ASSERT().\r | |
825 | If PcdMaximumUnicodeStringLength is not zero, and String contains more than\r | |
826 | PcdMaximumUnicodeStringLength Unicode characters, not including the\r | |
827 | Null-terminator, then ASSERT().\r | |
828 | \r | |
829 | @param String A pointer to a Null-terminated Unicode string.\r | |
830 | \r | |
831 | @return The length of String.\r | |
832 | \r | |
833 | **/\r | |
834 | UINTN\r | |
835 | StrLen (\r | |
836 | CONST CHAR16 *String\r | |
837 | )\r | |
838 | {\r | |
839 | UINTN Length;\r | |
840 | \r | |
841 | ASSERT (String != NULL);\r | |
842 | ASSERT (((UINTN) String & BIT0) == 0);\r | |
843 | \r | |
844 | for (Length = 0; *String != L'\0'; String++, Length++) {\r | |
845 | //\r | |
846 | // If PcdMaximumUnicodeStringLength is not zero,\r | |
847 | // length should not more than PcdMaximumUnicodeStringLength\r | |
848 | //\r | |
849 | }\r | |
850 | return Length;\r | |
851 | }\r | |
852 | \r | |
853 | BOOLEAN\r | |
854 | InternalSafeStringIsOverlap (\r | |
855 | IN VOID *Base1,\r | |
856 | IN UINTN Size1,\r | |
857 | IN VOID *Base2,\r | |
858 | IN UINTN Size2\r | |
859 | )\r | |
860 | {\r | |
861 | if ((((UINTN)Base1 >= (UINTN)Base2) && ((UINTN)Base1 < (UINTN)Base2 + Size2)) ||\r | |
862 | (((UINTN)Base2 >= (UINTN)Base1) && ((UINTN)Base2 < (UINTN)Base1 + Size1))) {\r | |
863 | return TRUE;\r | |
864 | }\r | |
865 | return FALSE;\r | |
866 | }\r | |
867 | \r | |
868 | BOOLEAN\r | |
869 | InternalSafeStringNoStrOverlap (\r | |
870 | IN CHAR16 *Str1,\r | |
871 | IN UINTN Size1,\r | |
872 | IN CHAR16 *Str2,\r | |
873 | IN UINTN Size2\r | |
874 | )\r | |
875 | {\r | |
876 | return !InternalSafeStringIsOverlap (Str1, Size1 * sizeof(CHAR16), Str2, Size2 * sizeof(CHAR16));\r | |
877 | }\r | |
878 | \r | |
7dbc50bd YZ |
879 | /**\r |
880 | Convert a Null-terminated Unicode decimal string to a value of type UINT64.\r | |
881 | \r | |
882 | This function outputs a value of type UINT64 by interpreting the contents of\r | |
883 | the Unicode string specified by String as a decimal number. The format of the\r | |
884 | input Unicode string String is:\r | |
885 | \r | |
886 | [spaces] [decimal digits].\r | |
887 | \r | |
888 | The valid decimal digit character is in the range [0-9]. The function will\r | |
889 | ignore the pad space, which includes spaces or tab characters, before\r | |
890 | [decimal digits]. The running zero in the beginning of [decimal digits] will\r | |
891 | be ignored. Then, the function stops at the first character that is a not a\r | |
892 | valid decimal character or a Null-terminator, whichever one comes first.\r | |
893 | \r | |
894 | If String is NULL, then ASSERT().\r | |
895 | If Data is NULL, then ASSERT().\r | |
896 | If String is not aligned in a 16-bit boundary, then ASSERT().\r | |
897 | If PcdMaximumUnicodeStringLength is not zero, and String contains more than\r | |
898 | PcdMaximumUnicodeStringLength Unicode characters, not including the\r | |
899 | Null-terminator, then ASSERT().\r | |
900 | \r | |
901 | If String has no valid decimal digits in the above format, then 0 is stored\r | |
902 | at the location pointed to by Data.\r | |
903 | If the number represented by String exceeds the range defined by UINT64, then\r | |
904 | MAX_UINT64 is stored at the location pointed to by Data.\r | |
905 | \r | |
906 | If EndPointer is not NULL, a pointer to the character that stopped the scan\r | |
907 | is stored at the location pointed to by EndPointer. If String has no valid\r | |
908 | decimal digits right after the optional pad spaces, the value of String is\r | |
909 | stored at the location pointed to by EndPointer.\r | |
910 | \r | |
911 | @param String Pointer to a Null-terminated Unicode string.\r | |
912 | @param EndPointer Pointer to character that stops scan.\r | |
913 | @param Data Pointer to the converted value.\r | |
914 | \r | |
915 | @retval RETURN_SUCCESS Value is translated from String.\r | |
916 | @retval RETURN_INVALID_PARAMETER If String is NULL.\r | |
917 | If Data is NULL.\r | |
918 | If PcdMaximumUnicodeStringLength is not\r | |
919 | zero, and String contains more than\r | |
920 | PcdMaximumUnicodeStringLength Unicode\r | |
921 | characters, not including the\r | |
922 | Null-terminator.\r | |
923 | @retval RETURN_UNSUPPORTED If the number represented by String exceeds\r | |
924 | the range defined by UINT64.\r | |
925 | \r | |
926 | **/\r | |
927 | RETURN_STATUS\r | |
928 | StrDecimalToUint64S (\r | |
929 | CONST CHAR16 *String,\r | |
930 | CHAR16 **EndPointer, OPTIONAL\r | |
931 | UINT64 *Data\r | |
932 | )\r | |
933 | {\r | |
934 | ASSERT (((UINTN) String & BIT0) == 0);\r | |
935 | \r | |
936 | //\r | |
937 | // 1. Neither String nor Data shall be a null pointer.\r | |
938 | //\r | |
939 | SAFE_STRING_CONSTRAINT_CHECK ((String != NULL), RETURN_INVALID_PARAMETER);\r | |
940 | SAFE_STRING_CONSTRAINT_CHECK ((Data != NULL), RETURN_INVALID_PARAMETER);\r | |
941 | \r | |
942 | //\r | |
943 | // 2. The length of String shall not be greater than RSIZE_MAX.\r | |
944 | //\r | |
945 | if (RSIZE_MAX != 0) {\r | |
946 | SAFE_STRING_CONSTRAINT_CHECK ((StrnLenS (String, RSIZE_MAX + 1) <= RSIZE_MAX), RETURN_INVALID_PARAMETER);\r | |
947 | }\r | |
948 | \r | |
949 | if (EndPointer != NULL) {\r | |
950 | *EndPointer = (CHAR16 *) String;\r | |
951 | }\r | |
952 | \r | |
953 | //\r | |
954 | // Ignore the pad spaces (space or tab)\r | |
955 | //\r | |
956 | while ((*String == L' ') || (*String == L'\t')) {\r | |
957 | String++;\r | |
958 | }\r | |
959 | \r | |
960 | //\r | |
961 | // Ignore leading Zeros after the spaces\r | |
962 | //\r | |
963 | while (*String == L'0') {\r | |
964 | String++;\r | |
965 | }\r | |
966 | \r | |
967 | *Data = 0;\r | |
968 | \r | |
969 | while (InternalIsDecimalDigitCharacter (*String)) {\r | |
970 | //\r | |
971 | // If the number represented by String overflows according to the range\r | |
972 | // defined by UINT64, then MAX_UINT64 is stored in *Data and\r | |
973 | // RETURN_UNSUPPORTED is returned.\r | |
974 | //\r | |
975 | if (*Data > ((MAX_UINT64 - (*String - L'0'))/10)) {\r | |
976 | *Data = MAX_UINT64;\r | |
977 | if (EndPointer != NULL) {\r | |
978 | *EndPointer = (CHAR16 *) String;\r | |
979 | }\r | |
980 | return RETURN_UNSUPPORTED;\r | |
981 | }\r | |
982 | \r | |
983 | *Data = (*Data) * 10 + (*String - L'0');\r | |
984 | String++;\r | |
985 | }\r | |
986 | \r | |
987 | if (EndPointer != NULL) {\r | |
988 | *EndPointer = (CHAR16 *) String;\r | |
989 | }\r | |
990 | return RETURN_SUCCESS;\r | |
991 | }\r | |
992 | \r | |
993 | /**\r | |
994 | Convert a Null-terminated Unicode hexadecimal string to a value of type\r | |
98a9519f | 995 | UINT64.\r |
7dbc50bd | 996 | \r |
98a9519f | 997 | This function outputs a value of type UINT64 by interpreting the contents of\r |
7dbc50bd YZ |
998 | the Unicode string specified by String as a hexadecimal number. The format of\r |
999 | the input Unicode string String is:\r | |
1000 | \r | |
1001 | [spaces][zeros][x][hexadecimal digits].\r | |
1002 | \r | |
1003 | The valid hexadecimal digit character is in the range [0-9], [a-f] and [A-F].\r | |
1004 | The prefix "0x" is optional. Both "x" and "X" is allowed in "0x" prefix.\r | |
1005 | If "x" appears in the input string, it must be prefixed with at least one 0.\r | |
1006 | The function will ignore the pad space, which includes spaces or tab\r | |
1007 | characters, before [zeros], [x] or [hexadecimal digit]. The running zero\r | |
1008 | before [x] or [hexadecimal digit] will be ignored. Then, the decoding starts\r | |
1009 | after [x] or the first valid hexadecimal digit. Then, the function stops at\r | |
1010 | the first character that is a not a valid hexadecimal character or NULL,\r | |
1011 | whichever one comes first.\r | |
1012 | \r | |
1013 | If String is NULL, then ASSERT().\r | |
1014 | If Data is NULL, then ASSERT().\r | |
1015 | If String is not aligned in a 16-bit boundary, then ASSERT().\r | |
1016 | If PcdMaximumUnicodeStringLength is not zero, and String contains more than\r | |
1017 | PcdMaximumUnicodeStringLength Unicode characters, not including the\r | |
1018 | Null-terminator, then ASSERT().\r | |
1019 | \r | |
1020 | If String has no valid hexadecimal digits in the above format, then 0 is\r | |
1021 | stored at the location pointed to by Data.\r | |
98a9519f AB |
1022 | If the number represented by String exceeds the range defined by UINT64, then\r |
1023 | MAX_UINT64 is stored at the location pointed to by Data.\r | |
7dbc50bd YZ |
1024 | \r |
1025 | If EndPointer is not NULL, a pointer to the character that stopped the scan\r | |
1026 | is stored at the location pointed to by EndPointer. If String has no valid\r | |
1027 | hexadecimal digits right after the optional pad spaces, the value of String\r | |
1028 | is stored at the location pointed to by EndPointer.\r | |
1029 | \r | |
1030 | @param String Pointer to a Null-terminated Unicode string.\r | |
1031 | @param EndPointer Pointer to character that stops scan.\r | |
1032 | @param Data Pointer to the converted value.\r | |
1033 | \r | |
1034 | @retval RETURN_SUCCESS Value is translated from String.\r | |
1035 | @retval RETURN_INVALID_PARAMETER If String is NULL.\r | |
1036 | If Data is NULL.\r | |
1037 | If PcdMaximumUnicodeStringLength is not\r | |
1038 | zero, and String contains more than\r | |
1039 | PcdMaximumUnicodeStringLength Unicode\r | |
1040 | characters, not including the\r | |
1041 | Null-terminator.\r | |
1042 | @retval RETURN_UNSUPPORTED If the number represented by String exceeds\r | |
98a9519f | 1043 | the range defined by UINT64.\r |
7dbc50bd YZ |
1044 | \r |
1045 | **/\r | |
1046 | RETURN_STATUS\r | |
7dbc50bd YZ |
1047 | StrHexToUint64S (\r |
1048 | CONST CHAR16 *String,\r | |
1049 | CHAR16 **EndPointer, OPTIONAL\r | |
1050 | UINT64 *Data\r | |
1051 | )\r | |
1052 | {\r | |
1053 | ASSERT (((UINTN) String & BIT0) == 0);\r | |
1054 | \r | |
1055 | //\r | |
1056 | // 1. Neither String nor Data shall be a null pointer.\r | |
1057 | //\r | |
1058 | SAFE_STRING_CONSTRAINT_CHECK ((String != NULL), RETURN_INVALID_PARAMETER);\r | |
1059 | SAFE_STRING_CONSTRAINT_CHECK ((Data != NULL), RETURN_INVALID_PARAMETER);\r | |
1060 | \r | |
1061 | //\r | |
1062 | // 2. The length of String shall not be greater than RSIZE_MAX.\r | |
1063 | //\r | |
1064 | if (RSIZE_MAX != 0) {\r | |
1065 | SAFE_STRING_CONSTRAINT_CHECK ((StrnLenS (String, RSIZE_MAX + 1) <= RSIZE_MAX), RETURN_INVALID_PARAMETER);\r | |
1066 | }\r | |
1067 | \r | |
1068 | if (EndPointer != NULL) {\r | |
1069 | *EndPointer = (CHAR16 *) String;\r | |
1070 | }\r | |
1071 | \r | |
1072 | //\r | |
1073 | // Ignore the pad spaces (space or tab)\r | |
1074 | //\r | |
1075 | while ((*String == L' ') || (*String == L'\t')) {\r | |
1076 | String++;\r | |
1077 | }\r | |
1078 | \r | |
1079 | //\r | |
1080 | // Ignore leading Zeros after the spaces\r | |
1081 | //\r | |
1082 | while (*String == L'0') {\r | |
1083 | String++;\r | |
1084 | }\r | |
1085 | \r | |
1086 | if (InternalCharToUpper (*String) == L'X') {\r | |
1087 | if (*(String - 1) != L'0') {\r | |
1088 | *Data = 0;\r | |
1089 | return RETURN_SUCCESS;\r | |
1090 | }\r | |
1091 | //\r | |
1092 | // Skip the 'X'\r | |
1093 | //\r | |
1094 | String++;\r | |
1095 | }\r | |
1096 | \r | |
1097 | *Data = 0;\r | |
1098 | \r | |
1099 | while (InternalIsHexaDecimalDigitCharacter (*String)) {\r | |
1100 | //\r | |
1101 | // If the number represented by String overflows according to the range\r | |
1102 | // defined by UINT64, then MAX_UINT64 is stored in *Data and\r | |
1103 | // RETURN_UNSUPPORTED is returned.\r | |
1104 | //\r | |
1105 | if (*Data > ((MAX_UINT64 - InternalHexCharToUintn (*String))>>4)) {\r | |
1106 | *Data = MAX_UINT64;\r | |
1107 | if (EndPointer != NULL) {\r | |
1108 | *EndPointer = (CHAR16 *) String;\r | |
1109 | }\r | |
1110 | return RETURN_UNSUPPORTED;\r | |
1111 | }\r | |
1112 | \r | |
1113 | *Data = ((*Data) << 4) + InternalHexCharToUintn (*String);\r | |
1114 | String++;\r | |
1115 | }\r | |
1116 | \r | |
1117 | if (EndPointer != NULL) {\r | |
1118 | *EndPointer = (CHAR16 *) String;\r | |
1119 | }\r | |
1120 | return RETURN_SUCCESS;\r | |
1121 | }\r | |
1122 | \r | |
1123 | UINT64\r | |
1124 | StrDecimalToUint64 (\r | |
1125 | CONST CHAR16 *String\r | |
1126 | )\r | |
1127 | {\r | |
1128 | UINT64 Result;\r | |
1129 | \r | |
1130 | StrDecimalToUint64S (String, (CHAR16 **) NULL, &Result);\r | |
1131 | return Result;\r | |
1132 | }\r | |
1133 | \r | |
1134 | \r | |
1135 | UINT64\r | |
1136 | StrHexToUint64 (\r | |
1137 | CONST CHAR16 *String\r | |
1138 | )\r | |
1139 | {\r | |
1140 | UINT64 Result;\r | |
1141 | \r | |
1142 | StrHexToUint64S (String, (CHAR16 **) NULL, &Result);\r | |
1143 | return Result;\r | |
1144 | }\r | |
1145 | \r | |
7dbc50bd YZ |
1146 | UINTN\r |
1147 | StrSize (\r | |
1148 | CONST CHAR16 *String\r | |
1149 | )\r | |
1150 | {\r | |
1151 | return (StrLen (String) + 1) * sizeof (*String);\r | |
1152 | }\r | |
1153 | \r | |
1154 | \r | |
1155 | UINT64\r | |
1156 | ReadUnaligned64 (\r | |
1157 | CONST UINT64 *Buffer\r | |
1158 | )\r | |
1159 | {\r | |
1160 | ASSERT (Buffer != NULL);\r | |
1161 | \r | |
1162 | return *Buffer;\r | |
1163 | }\r | |
1164 | \r | |
1165 | UINT64\r | |
1166 | WriteUnaligned64 (\r | |
1167 | UINT64 *Buffer,\r | |
1168 | UINT64 Value\r | |
1169 | )\r | |
1170 | {\r | |
1171 | ASSERT (Buffer != NULL);\r | |
1172 | \r | |
1173 | return *Buffer = Value;\r | |
1174 | }\r | |
1175 | \r | |
1176 | \r | |
1177 | EFI_GUID *\r | |
1178 | CopyGuid (\r | |
1179 | EFI_GUID *DestinationGuid,\r | |
1180 | CONST EFI_GUID *SourceGuid\r | |
1181 | )\r | |
1182 | {\r | |
1183 | WriteUnaligned64 (\r | |
1184 | (UINT64*)DestinationGuid,\r | |
1185 | ReadUnaligned64 ((CONST UINT64*)SourceGuid)\r | |
1186 | );\r | |
1187 | WriteUnaligned64 (\r | |
1188 | (UINT64*)DestinationGuid + 1,\r | |
1189 | ReadUnaligned64 ((CONST UINT64*)SourceGuid + 1)\r | |
1190 | );\r | |
1191 | return DestinationGuid;\r | |
1192 | }\r | |
1193 | \r | |
1194 | UINT16\r | |
1195 | SwapBytes16 (\r | |
1196 | UINT16 Value\r | |
1197 | )\r | |
1198 | {\r | |
1199 | return (UINT16) ((Value<< 8) | (Value>> 8));\r | |
1200 | }\r | |
1201 | \r | |
1202 | \r | |
1203 | UINT32\r | |
1204 | SwapBytes32 (\r | |
1205 | UINT32 Value\r | |
1206 | )\r | |
1207 | {\r | |
1208 | UINT32 LowerBytes;\r | |
1209 | UINT32 HigherBytes;\r | |
1210 | \r | |
1211 | LowerBytes = (UINT32) SwapBytes16 ((UINT16) Value);\r | |
1212 | HigherBytes = (UINT32) SwapBytes16 ((UINT16) (Value >> 16));\r | |
1213 | return (LowerBytes << 16 | HigherBytes);\r | |
1214 | }\r | |
1215 | \r | |
1216 | BOOLEAN\r | |
1217 | InternalIsDecimalDigitCharacter (\r | |
1218 | CHAR16 Char\r | |
1219 | )\r | |
1220 | {\r | |
1221 | return (BOOLEAN) (Char >= L'0' && Char <= L'9');\r | |
1222 | }\r | |
1223 | \r | |
1224 | VOID *\r | |
1225 | InternalAllocateCopyPool (\r | |
1226 | UINTN AllocationSize,\r | |
1227 | CONST VOID *Buffer\r | |
1228 | )\r | |
1229 | {\r | |
1230 | VOID *Memory;\r | |
1231 | \r | |
1232 | ASSERT (Buffer != NULL);\r | |
7dbc50bd YZ |
1233 | \r |
1234 | Memory = malloc (AllocationSize);\r | |
1235 | if (Memory != NULL) {\r | |
1236 | Memory = memcpy (Memory, Buffer, AllocationSize);\r | |
1237 | }\r | |
1238 | return Memory;\r | |
1239 | }\r | |
1240 | \r | |
1241 | BOOLEAN\r | |
1242 | InternalIsHexaDecimalDigitCharacter (\r | |
1243 | CHAR16 Char\r | |
1244 | )\r | |
1245 | {\r | |
1246 | \r | |
1247 | return (BOOLEAN) (InternalIsDecimalDigitCharacter (Char) ||\r | |
1248 | (Char >= L'A' && Char <= L'F') ||\r | |
1249 | (Char >= L'a' && Char <= L'f'));\r | |
1250 | }\r | |
1251 | \r | |
1252 | UINTN\r | |
1253 | InternalHexCharToUintn (\r | |
1254 | CHAR16 Char\r | |
1255 | )\r | |
1256 | {\r | |
1257 | if (InternalIsDecimalDigitCharacter (Char)) {\r | |
1258 | return Char - L'0';\r | |
1259 | }\r | |
1260 | \r | |
1261 | return (10 + InternalCharToUpper (Char) - L'A');\r | |
1262 | }\r | |
1263 | \r | |
1264 | \r | |
1265 | /**\r | |
1266 | Convert a Null-terminated Unicode hexadecimal string to a byte array.\r | |
1267 | \r | |
1268 | This function outputs a byte array by interpreting the contents of\r | |
1269 | the Unicode string specified by String in hexadecimal format. The format of\r | |
1270 | the input Unicode string String is:\r | |
1271 | \r | |
1272 | [XX]*\r | |
1273 | \r | |
1274 | X is a hexadecimal digit character in the range [0-9], [a-f] and [A-F].\r | |
1275 | The function decodes every two hexadecimal digit characters as one byte. The\r | |
1276 | decoding stops after Length of characters and outputs Buffer containing\r | |
1277 | (Length / 2) bytes.\r | |
1278 | \r | |
1279 | If String is not aligned in a 16-bit boundary, then ASSERT().\r | |
1280 | \r | |
1281 | If String is NULL, then ASSERT().\r | |
1282 | \r | |
1283 | If Buffer is NULL, then ASSERT().\r | |
1284 | \r | |
1285 | If Length is not multiple of 2, then ASSERT().\r | |
1286 | \r | |
1287 | If PcdMaximumUnicodeStringLength is not zero and Length is greater than\r | |
1288 | PcdMaximumUnicodeStringLength, then ASSERT().\r | |
1289 | \r | |
1290 | If MaxBufferSize is less than (Length / 2), then ASSERT().\r | |
1291 | \r | |
1292 | @param String Pointer to a Null-terminated Unicode string.\r | |
1293 | @param Length The number of Unicode characters to decode.\r | |
1294 | @param Buffer Pointer to the converted bytes array.\r | |
1295 | @param MaxBufferSize The maximum size of Buffer.\r | |
1296 | \r | |
1297 | @retval RETURN_SUCCESS Buffer is translated from String.\r | |
1298 | @retval RETURN_INVALID_PARAMETER If String is NULL.\r | |
1299 | If Data is NULL.\r | |
1300 | If Length is not multiple of 2.\r | |
1301 | If PcdMaximumUnicodeStringLength is not zero,\r | |
1302 | and Length is greater than\r | |
1303 | PcdMaximumUnicodeStringLength.\r | |
1304 | @retval RETURN_UNSUPPORTED If Length of characters from String contain\r | |
1305 | a character that is not valid hexadecimal\r | |
1306 | digit characters, or a Null-terminator.\r | |
1307 | @retval RETURN_BUFFER_TOO_SMALL If MaxBufferSize is less than (Length / 2).\r | |
1308 | **/\r | |
1309 | RETURN_STATUS\r | |
1310 | StrHexToBytes (\r | |
1311 | CONST CHAR16 *String,\r | |
1312 | UINTN Length,\r | |
1313 | UINT8 *Buffer,\r | |
1314 | UINTN MaxBufferSize\r | |
1315 | )\r | |
1316 | {\r | |
1317 | UINTN Index;\r | |
1318 | \r | |
1319 | ASSERT (((UINTN) String & BIT0) == 0);\r | |
1320 | \r | |
1321 | //\r | |
1322 | // 1. None of String or Buffer shall be a null pointer.\r | |
1323 | //\r | |
1324 | SAFE_STRING_CONSTRAINT_CHECK ((String != NULL), RETURN_INVALID_PARAMETER);\r | |
1325 | SAFE_STRING_CONSTRAINT_CHECK ((Buffer != NULL), RETURN_INVALID_PARAMETER);\r | |
1326 | \r | |
1327 | //\r | |
1328 | // 2. Length shall not be greater than RSIZE_MAX.\r | |
1329 | //\r | |
1330 | if (RSIZE_MAX != 0) {\r | |
1331 | SAFE_STRING_CONSTRAINT_CHECK ((Length <= RSIZE_MAX), RETURN_INVALID_PARAMETER);\r | |
1332 | }\r | |
1333 | \r | |
1334 | //\r | |
1335 | // 3. Length shall not be odd.\r | |
1336 | //\r | |
1337 | SAFE_STRING_CONSTRAINT_CHECK (((Length & BIT0) == 0), RETURN_INVALID_PARAMETER);\r | |
1338 | \r | |
1339 | //\r | |
1340 | // 4. MaxBufferSize shall equal to or greater than Length / 2.\r | |
1341 | //\r | |
1342 | SAFE_STRING_CONSTRAINT_CHECK ((MaxBufferSize >= Length / 2), RETURN_BUFFER_TOO_SMALL);\r | |
1343 | \r | |
1344 | //\r | |
1345 | // 5. String shall not contains invalid hexadecimal digits.\r | |
1346 | //\r | |
1347 | for (Index = 0; Index < Length; Index++) {\r | |
1348 | if (!InternalIsHexaDecimalDigitCharacter (String[Index])) {\r | |
1349 | break;\r | |
1350 | }\r | |
1351 | }\r | |
1352 | if (Index != Length) {\r | |
1353 | return RETURN_UNSUPPORTED;\r | |
1354 | }\r | |
1355 | \r | |
1356 | //\r | |
1357 | // Convert the hex string to bytes.\r | |
1358 | //\r | |
1359 | for(Index = 0; Index < Length; Index++) {\r | |
1360 | \r | |
1361 | //\r | |
1362 | // For even characters, write the upper nibble for each buffer byte,\r | |
1363 | // and for even characters, the lower nibble.\r | |
1364 | //\r | |
1365 | if ((Index & BIT0) == 0) {\r | |
1366 | Buffer[Index / 2] = (UINT8) InternalHexCharToUintn (String[Index]) << 4;\r | |
1367 | } else {\r | |
1368 | Buffer[Index / 2] |= (UINT8) InternalHexCharToUintn (String[Index]);\r | |
1369 | }\r | |
1370 | }\r | |
1371 | return RETURN_SUCCESS;\r | |
1372 | }\r | |
1373 | \r | |
1374 | /**\r | |
1375 | Convert a Null-terminated Unicode GUID string to a value of type\r | |
1376 | EFI_GUID.\r | |
1377 | \r | |
1378 | This function outputs a GUID value by interpreting the contents of\r | |
1379 | the Unicode string specified by String. The format of the input\r | |
1380 | Unicode string String consists of 36 characters, as follows:\r | |
1381 | \r | |
1382 | aabbccdd-eeff-gghh-iijj-kkllmmnnoopp\r | |
1383 | \r | |
1384 | The pairs aa - pp are two characters in the range [0-9], [a-f] and\r | |
1385 | [A-F], with each pair representing a single byte hexadecimal value.\r | |
1386 | \r | |
1387 | The mapping between String and the EFI_GUID structure is as follows:\r | |
1388 | aa Data1[24:31]\r | |
1389 | bb Data1[16:23]\r | |
1390 | cc Data1[8:15]\r | |
1391 | dd Data1[0:7]\r | |
1392 | ee Data2[8:15]\r | |
1393 | ff Data2[0:7]\r | |
1394 | gg Data3[8:15]\r | |
1395 | hh Data3[0:7]\r | |
1396 | ii Data4[0:7]\r | |
1397 | jj Data4[8:15]\r | |
1398 | kk Data4[16:23]\r | |
1399 | ll Data4[24:31]\r | |
1400 | mm Data4[32:39]\r | |
1401 | nn Data4[40:47]\r | |
1402 | oo Data4[48:55]\r | |
1403 | pp Data4[56:63]\r | |
1404 | \r | |
1405 | If String is NULL, then ASSERT().\r | |
1406 | If Guid is NULL, then ASSERT().\r | |
1407 | If String is not aligned in a 16-bit boundary, then ASSERT().\r | |
1408 | \r | |
1409 | @param String Pointer to a Null-terminated Unicode string.\r | |
1410 | @param Guid Pointer to the converted GUID.\r | |
1411 | \r | |
1412 | @retval RETURN_SUCCESS Guid is translated from String.\r | |
1413 | @retval RETURN_INVALID_PARAMETER If String is NULL.\r | |
1414 | If Data is NULL.\r | |
1415 | @retval RETURN_UNSUPPORTED If String is not as the above format.\r | |
1416 | \r | |
1417 | **/\r | |
1418 | RETURN_STATUS\r | |
1419 | StrToGuid (\r | |
1420 | CONST CHAR16 *String,\r | |
1421 | EFI_GUID *Guid\r | |
1422 | )\r | |
1423 | {\r | |
1424 | RETURN_STATUS Status;\r | |
1425 | EFI_GUID LocalGuid;\r | |
1426 | \r | |
1427 | ASSERT (((UINTN) String & BIT0) == 0);\r | |
1428 | \r | |
1429 | //\r | |
1430 | // 1. None of String or Guid shall be a null pointer.\r | |
1431 | //\r | |
1432 | SAFE_STRING_CONSTRAINT_CHECK ((String != NULL), RETURN_INVALID_PARAMETER);\r | |
1433 | SAFE_STRING_CONSTRAINT_CHECK ((Guid != NULL), RETURN_INVALID_PARAMETER);\r | |
1434 | \r | |
1435 | //\r | |
1436 | // Get aabbccdd in big-endian.\r | |
1437 | //\r | |
1438 | Status = StrHexToBytes (String, 2 * sizeof (LocalGuid.Data1), (UINT8 *) &LocalGuid.Data1, sizeof (LocalGuid.Data1));\r | |
1439 | if (RETURN_ERROR (Status) || String[2 * sizeof (LocalGuid.Data1)] != L'-') {\r | |
1440 | return RETURN_UNSUPPORTED;\r | |
1441 | }\r | |
1442 | //\r | |
1443 | // Convert big-endian to little-endian.\r | |
1444 | //\r | |
1445 | LocalGuid.Data1 = SwapBytes32 (LocalGuid.Data1);\r | |
1446 | String += 2 * sizeof (LocalGuid.Data1) + 1;\r | |
1447 | \r | |
1448 | //\r | |
1449 | // Get eeff in big-endian.\r | |
1450 | //\r | |
1451 | Status = StrHexToBytes (String, 2 * sizeof (LocalGuid.Data2), (UINT8 *) &LocalGuid.Data2, sizeof (LocalGuid.Data2));\r | |
1452 | if (RETURN_ERROR (Status) || String[2 * sizeof (LocalGuid.Data2)] != L'-') {\r | |
1453 | return RETURN_UNSUPPORTED;\r | |
1454 | }\r | |
1455 | //\r | |
1456 | // Convert big-endian to little-endian.\r | |
1457 | //\r | |
1458 | LocalGuid.Data2 = SwapBytes16 (LocalGuid.Data2);\r | |
1459 | String += 2 * sizeof (LocalGuid.Data2) + 1;\r | |
1460 | \r | |
1461 | //\r | |
1462 | // Get gghh in big-endian.\r | |
1463 | //\r | |
1464 | Status = StrHexToBytes (String, 2 * sizeof (LocalGuid.Data3), (UINT8 *) &LocalGuid.Data3, sizeof (LocalGuid.Data3));\r | |
1465 | if (RETURN_ERROR (Status) || String[2 * sizeof (LocalGuid.Data3)] != L'-') {\r | |
1466 | return RETURN_UNSUPPORTED;\r | |
1467 | }\r | |
1468 | //\r | |
1469 | // Convert big-endian to little-endian.\r | |
1470 | //\r | |
1471 | LocalGuid.Data3 = SwapBytes16 (LocalGuid.Data3);\r | |
1472 | String += 2 * sizeof (LocalGuid.Data3) + 1;\r | |
1473 | \r | |
1474 | //\r | |
1475 | // Get iijj.\r | |
1476 | //\r | |
1477 | Status = StrHexToBytes (String, 2 * 2, &LocalGuid.Data4[0], 2);\r | |
1478 | if (RETURN_ERROR (Status) || String[2 * 2] != L'-') {\r | |
1479 | return RETURN_UNSUPPORTED;\r | |
1480 | }\r | |
1481 | String += 2 * 2 + 1;\r | |
1482 | \r | |
1483 | //\r | |
1484 | // Get kkllmmnnoopp.\r | |
1485 | //\r | |
1486 | Status = StrHexToBytes (String, 2 * 6, &LocalGuid.Data4[2], 6);\r | |
1487 | if (RETURN_ERROR (Status)) {\r | |
1488 | return RETURN_UNSUPPORTED;\r | |
1489 | }\r | |
1490 | \r | |
1491 | CopyGuid (Guid, &LocalGuid);\r | |
1492 | return RETURN_SUCCESS;\r | |
1493 | }\r | |
1494 | \r | |
1495 | /**\r | |
1496 | Compares up to a specified length the contents of two Null-terminated Unicode strings,\r | |
1497 | and returns the difference between the first mismatched Unicode characters.\r | |
1498 | \r | |
1499 | This function compares the Null-terminated Unicode string FirstString to the\r | |
1500 | Null-terminated Unicode string SecondString. At most, Length Unicode\r | |
1501 | characters will be compared. If Length is 0, then 0 is returned. If\r | |
1502 | FirstString is identical to SecondString, then 0 is returned. Otherwise, the\r | |
1503 | value returned is the first mismatched Unicode character in SecondString\r | |
1504 | subtracted from the first mismatched Unicode character in FirstString.\r | |
1505 | \r | |
1506 | If Length > 0 and FirstString is NULL, then ASSERT().\r | |
1507 | If Length > 0 and FirstString is not aligned on a 16-bit boundary, then ASSERT().\r | |
1508 | If Length > 0 and SecondString is NULL, then ASSERT().\r | |
1509 | If Length > 0 and SecondString is not aligned on a 16-bit boundary, then ASSERT().\r | |
1510 | If PcdMaximumUnicodeStringLength is not zero, and Length is greater than\r | |
1511 | PcdMaximumUnicodeStringLength, then ASSERT().\r | |
1512 | If PcdMaximumUnicodeStringLength is not zero, and FirstString contains more than\r | |
1513 | PcdMaximumUnicodeStringLength Unicode characters, not including the Null-terminator,\r | |
1514 | then ASSERT().\r | |
1515 | If PcdMaximumUnicodeStringLength is not zero, and SecondString contains more than\r | |
1516 | PcdMaximumUnicodeStringLength Unicode characters, not including the Null-terminator,\r | |
1517 | then ASSERT().\r | |
1518 | \r | |
1519 | @param FirstString A pointer to a Null-terminated Unicode string.\r | |
1520 | @param SecondString A pointer to a Null-terminated Unicode string.\r | |
1521 | @param Length The maximum number of Unicode characters to compare.\r | |
1522 | \r | |
1523 | @retval 0 FirstString is identical to SecondString.\r | |
1524 | @return others FirstString is not identical to SecondString.\r | |
1525 | \r | |
1526 | **/\r | |
1527 | INTN\r | |
1528 | StrnCmp (\r | |
1529 | CONST CHAR16 *FirstString,\r | |
1530 | CONST CHAR16 *SecondString,\r | |
1531 | UINTN Length\r | |
1532 | )\r | |
1533 | {\r | |
1534 | if (Length == 0) {\r | |
1535 | return 0;\r | |
1536 | }\r | |
1537 | \r | |
1538 | //\r | |
1539 | // ASSERT both strings are less long than PcdMaximumUnicodeStringLength.\r | |
1540 | // Length tests are performed inside StrLen().\r | |
1541 | //\r | |
1542 | ASSERT (StrSize (FirstString) != 0);\r | |
1543 | ASSERT (StrSize (SecondString) != 0);\r | |
1544 | \r | |
1545 | while ((*FirstString != L'\0') &&\r | |
1546 | (*SecondString != L'\0') &&\r | |
1547 | (*FirstString == *SecondString) &&\r | |
1548 | (Length > 1)) {\r | |
1549 | FirstString++;\r | |
1550 | SecondString++;\r | |
1551 | Length--;\r | |
1552 | }\r | |
1553 | \r | |
1554 | return *FirstString - *SecondString;\r | |
1555 | }\r | |
1556 | \r | |
1557 | VOID *\r | |
1558 | AllocateCopyPool (\r | |
1559 | UINTN AllocationSize,\r | |
1560 | CONST VOID *Buffer\r | |
1561 | )\r | |
1562 | {\r | |
1563 | return InternalAllocateCopyPool (AllocationSize, Buffer);\r | |
1564 | }\r | |
1565 | \r | |
1566 | INTN\r | |
1567 | StrCmp (\r | |
1568 | CONST CHAR16 *FirstString,\r | |
1569 | CONST CHAR16 *SecondString\r | |
1570 | )\r | |
1571 | {\r | |
1572 | //\r | |
1573 | // ASSERT both strings are less long than PcdMaximumUnicodeStringLength\r | |
1574 | //\r | |
1575 | ASSERT (StrSize (FirstString) != 0);\r | |
1576 | ASSERT (StrSize (SecondString) != 0);\r | |
1577 | \r | |
1578 | while ((*FirstString != L'\0') && (*FirstString == *SecondString)) {\r | |
1579 | FirstString++;\r | |
1580 | SecondString++;\r | |
1581 | }\r | |
1582 | return *FirstString - *SecondString;\r | |
1583 | }\r | |
1584 | \r | |
1585 | UINT64\r | |
1586 | SwapBytes64 (\r | |
1587 | UINT64 Value\r | |
1588 | )\r | |
1589 | {\r | |
1590 | return InternalMathSwapBytes64 (Value);\r | |
1591 | }\r | |
1592 | \r | |
1593 | UINT64\r | |
1594 | InternalMathSwapBytes64 (\r | |
1595 | UINT64 Operand\r | |
1596 | )\r | |
1597 | {\r | |
1598 | UINT64 LowerBytes;\r | |
1599 | UINT64 HigherBytes;\r | |
1600 | \r | |
1601 | LowerBytes = (UINT64) SwapBytes32 ((UINT32) Operand);\r | |
1602 | HigherBytes = (UINT64) SwapBytes32 ((UINT32) (Operand >> 32));\r | |
1603 | \r | |
1604 | return (LowerBytes << 32 | HigherBytes);\r | |
1605 | }\r | |
1606 | \r | |
1607 | RETURN_STATUS\r | |
1608 | StrToIpv4Address (\r | |
1609 | CONST CHAR16 *String,\r | |
1610 | CHAR16 **EndPointer,\r | |
1611 | EFI_IPv4_ADDRESS *Address,\r | |
1612 | UINT8 *PrefixLength\r | |
1613 | )\r | |
1614 | {\r | |
1615 | RETURN_STATUS Status;\r | |
1616 | UINTN AddressIndex;\r | |
93afbd15 | 1617 | UINT64 Uint64;\r |
7dbc50bd YZ |
1618 | EFI_IPv4_ADDRESS LocalAddress;\r |
1619 | UINT8 LocalPrefixLength;\r | |
1620 | CHAR16 *Pointer;\r | |
1621 | \r | |
1622 | LocalPrefixLength = MAX_UINT8;\r | |
1623 | LocalAddress.Addr[0] = 0;\r | |
1624 | \r | |
1625 | ASSERT (((UINTN) String & BIT0) == 0);\r | |
1626 | \r | |
1627 | //\r | |
1628 | // 1. None of String or Guid shall be a null pointer.\r | |
1629 | //\r | |
1630 | SAFE_STRING_CONSTRAINT_CHECK ((String != NULL), RETURN_INVALID_PARAMETER);\r | |
1631 | SAFE_STRING_CONSTRAINT_CHECK ((Address != NULL), RETURN_INVALID_PARAMETER);\r | |
1632 | \r | |
1633 | for (Pointer = (CHAR16 *) String, AddressIndex = 0; AddressIndex < ARRAY_SIZE (Address->Addr) + 1;) {\r | |
1634 | if (!InternalIsDecimalDigitCharacter (*Pointer)) {\r | |
1635 | //\r | |
1636 | // D or P contains invalid characters.\r | |
1637 | //\r | |
1638 | break;\r | |
1639 | }\r | |
1640 | \r | |
1641 | //\r | |
1642 | // Get D or P.\r | |
1643 | //\r | |
93afbd15 | 1644 | Status = StrDecimalToUint64S ((CONST CHAR16 *) Pointer, &Pointer, &Uint64);\r |
7dbc50bd YZ |
1645 | if (RETURN_ERROR (Status)) {\r |
1646 | return RETURN_UNSUPPORTED;\r | |
1647 | }\r | |
1648 | if (AddressIndex == ARRAY_SIZE (Address->Addr)) {\r | |
1649 | //\r | |
1650 | // It's P.\r | |
1651 | //\r | |
93afbd15 | 1652 | if (Uint64 > 32) {\r |
7dbc50bd YZ |
1653 | return RETURN_UNSUPPORTED;\r |
1654 | }\r | |
93afbd15 | 1655 | LocalPrefixLength = (UINT8) Uint64;\r |
7dbc50bd YZ |
1656 | } else {\r |
1657 | //\r | |
1658 | // It's D.\r | |
1659 | //\r | |
93afbd15 | 1660 | if (Uint64 > MAX_UINT8) {\r |
7dbc50bd YZ |
1661 | return RETURN_UNSUPPORTED;\r |
1662 | }\r | |
93afbd15 | 1663 | LocalAddress.Addr[AddressIndex] = (UINT8) Uint64;\r |
7dbc50bd YZ |
1664 | AddressIndex++;\r |
1665 | }\r | |
1666 | \r | |
1667 | //\r | |
1668 | // Check the '.' or '/', depending on the AddressIndex.\r | |
1669 | //\r | |
1670 | if (AddressIndex == ARRAY_SIZE (Address->Addr)) {\r | |
1671 | if (*Pointer == L'/') {\r | |
1672 | //\r | |
1673 | // '/P' is in the String.\r | |
1674 | // Skip "/" and get P in next loop.\r | |
1675 | //\r | |
1676 | Pointer++;\r | |
1677 | } else {\r | |
1678 | //\r | |
1679 | // '/P' is not in the String.\r | |
1680 | //\r | |
1681 | break;\r | |
1682 | }\r | |
1683 | } else if (AddressIndex < ARRAY_SIZE (Address->Addr)) {\r | |
1684 | if (*Pointer == L'.') {\r | |
1685 | //\r | |
1686 | // D should be followed by '.'\r | |
1687 | //\r | |
1688 | Pointer++;\r | |
1689 | } else {\r | |
1690 | return RETURN_UNSUPPORTED;\r | |
1691 | }\r | |
1692 | }\r | |
1693 | }\r | |
1694 | \r | |
1695 | if (AddressIndex < ARRAY_SIZE (Address->Addr)) {\r | |
1696 | return RETURN_UNSUPPORTED;\r | |
1697 | }\r | |
1698 | \r | |
1699 | memcpy (Address, &LocalAddress, sizeof (*Address));\r | |
1700 | if (PrefixLength != NULL) {\r | |
1701 | *PrefixLength = LocalPrefixLength;\r | |
1702 | }\r | |
1703 | if (EndPointer != NULL) {\r | |
1704 | *EndPointer = Pointer;\r | |
1705 | }\r | |
1706 | \r | |
1707 | return RETURN_SUCCESS;\r | |
1708 | }\r | |
1709 | \r | |
1710 | RETURN_STATUS\r | |
1711 | StrToIpv6Address (\r | |
1712 | CONST CHAR16 *String,\r | |
1713 | CHAR16 **EndPointer,\r | |
1714 | EFI_IPv6_ADDRESS *Address,\r | |
1715 | UINT8 *PrefixLength\r | |
1716 | )\r | |
1717 | {\r | |
1718 | RETURN_STATUS Status;\r | |
1719 | UINTN AddressIndex;\r | |
93afbd15 | 1720 | UINT64 Uint64;\r |
7dbc50bd YZ |
1721 | EFI_IPv6_ADDRESS LocalAddress;\r |
1722 | UINT8 LocalPrefixLength;\r | |
1723 | CONST CHAR16 *Pointer;\r | |
1724 | CHAR16 *End;\r | |
1725 | UINTN CompressStart;\r | |
1726 | BOOLEAN ExpectPrefix;\r | |
1727 | \r | |
1728 | LocalPrefixLength = MAX_UINT8;\r | |
1729 | CompressStart = ARRAY_SIZE (Address->Addr);\r | |
1730 | ExpectPrefix = FALSE;\r | |
1731 | \r | |
1732 | ASSERT (((UINTN) String & BIT0) == 0);\r | |
1733 | \r | |
1734 | //\r | |
1735 | // 1. None of String or Guid shall be a null pointer.\r | |
1736 | //\r | |
1737 | SAFE_STRING_CONSTRAINT_CHECK ((String != NULL), RETURN_INVALID_PARAMETER);\r | |
1738 | SAFE_STRING_CONSTRAINT_CHECK ((Address != NULL), RETURN_INVALID_PARAMETER);\r | |
1739 | \r | |
1740 | for (Pointer = String, AddressIndex = 0; AddressIndex < ARRAY_SIZE (Address->Addr) + 1;) {\r | |
1741 | if (!InternalIsHexaDecimalDigitCharacter (*Pointer)) {\r | |
1742 | if (*Pointer != L':') {\r | |
1743 | //\r | |
1744 | // ":" or "/" should be followed by digit characters.\r | |
1745 | //\r | |
1746 | return RETURN_UNSUPPORTED;\r | |
1747 | }\r | |
1748 | \r | |
1749 | //\r | |
1750 | // Meet second ":" after previous ":" or "/"\r | |
1751 | // or meet first ":" in the beginning of String.\r | |
1752 | //\r | |
1753 | if (ExpectPrefix) {\r | |
1754 | //\r | |
1755 | // ":" shall not be after "/"\r | |
1756 | //\r | |
1757 | return RETURN_UNSUPPORTED;\r | |
1758 | }\r | |
1759 | \r | |
1760 | if (CompressStart != ARRAY_SIZE (Address->Addr) || AddressIndex == ARRAY_SIZE (Address->Addr)) {\r | |
1761 | //\r | |
1762 | // "::" can only appear once.\r | |
1763 | // "::" can only appear when address is not full length.\r | |
1764 | //\r | |
1765 | return RETURN_UNSUPPORTED;\r | |
1766 | } else {\r | |
1767 | //\r | |
1768 | // Remember the start of zero compressing.\r | |
1769 | //\r | |
1770 | CompressStart = AddressIndex;\r | |
1771 | Pointer++;\r | |
1772 | \r | |
1773 | if (CompressStart == 0) {\r | |
1774 | if (*Pointer != L':') {\r | |
1775 | //\r | |
1776 | // Single ":" shall not be in the beginning of String.\r | |
1777 | //\r | |
1778 | return RETURN_UNSUPPORTED;\r | |
1779 | }\r | |
1780 | Pointer++;\r | |
1781 | }\r | |
1782 | }\r | |
1783 | }\r | |
1784 | \r | |
1785 | if (!InternalIsHexaDecimalDigitCharacter (*Pointer)) {\r | |
1786 | if (*Pointer == L'/') {\r | |
1787 | //\r | |
1788 | // Might be optional "/P" after "::".\r | |
1789 | //\r | |
1790 | if (CompressStart != AddressIndex) {\r | |
1791 | return RETURN_UNSUPPORTED;\r | |
1792 | }\r | |
1793 | } else {\r | |
1794 | break;\r | |
1795 | }\r | |
1796 | } else {\r | |
1797 | if (!ExpectPrefix) {\r | |
1798 | //\r | |
1799 | // Get X.\r | |
1800 | //\r | |
93afbd15 | 1801 | Status = StrHexToUint64S (Pointer, &End, &Uint64);\r |
7dbc50bd YZ |
1802 | if (RETURN_ERROR (Status) || End - Pointer > 4) {\r |
1803 | //\r | |
1804 | // Number of hexadecimal digit characters is no more than 4.\r | |
1805 | //\r | |
1806 | return RETURN_UNSUPPORTED;\r | |
1807 | }\r | |
1808 | Pointer = End;\r | |
1809 | //\r | |
93afbd15 | 1810 | // Uint64 won't exceed MAX_UINT16 if number of hexadecimal digit characters is no more than 4.\r |
7dbc50bd YZ |
1811 | //\r |
1812 | ASSERT (AddressIndex + 1 < ARRAY_SIZE (Address->Addr));\r | |
93afbd15 AB |
1813 | LocalAddress.Addr[AddressIndex] = (UINT8) ((UINT16) Uint64 >> 8);\r |
1814 | LocalAddress.Addr[AddressIndex + 1] = (UINT8) Uint64;\r | |
7dbc50bd YZ |
1815 | AddressIndex += 2;\r |
1816 | } else {\r | |
1817 | //\r | |
1818 | // Get P, then exit the loop.\r | |
1819 | //\r | |
93afbd15 AB |
1820 | Status = StrDecimalToUint64S (Pointer, &End, &Uint64);\r |
1821 | if (RETURN_ERROR (Status) || End == Pointer || Uint64 > 128) {\r | |
7dbc50bd YZ |
1822 | //\r |
1823 | // Prefix length should not exceed 128.\r | |
1824 | //\r | |
1825 | return RETURN_UNSUPPORTED;\r | |
1826 | }\r | |
93afbd15 | 1827 | LocalPrefixLength = (UINT8) Uint64;\r |
7dbc50bd YZ |
1828 | Pointer = End;\r |
1829 | break;\r | |
1830 | }\r | |
1831 | }\r | |
1832 | \r | |
1833 | //\r | |
1834 | // Skip ':' or "/"\r | |
1835 | //\r | |
1836 | if (*Pointer == L'/') {\r | |
1837 | ExpectPrefix = TRUE;\r | |
1838 | } else if (*Pointer == L':') {\r | |
1839 | if (AddressIndex == ARRAY_SIZE (Address->Addr)) {\r | |
1840 | //\r | |
1841 | // Meet additional ":" after all 8 16-bit address\r | |
1842 | //\r | |
1843 | break;\r | |
1844 | }\r | |
1845 | } else {\r | |
1846 | //\r | |
1847 | // Meet other character that is not "/" or ":" after all 8 16-bit address\r | |
1848 | //\r | |
1849 | break;\r | |
1850 | }\r | |
1851 | Pointer++;\r | |
1852 | }\r | |
1853 | \r | |
1854 | if ((AddressIndex == ARRAY_SIZE (Address->Addr) && CompressStart != ARRAY_SIZE (Address->Addr)) ||\r | |
1855 | (AddressIndex != ARRAY_SIZE (Address->Addr) && CompressStart == ARRAY_SIZE (Address->Addr))\r | |
1856 | ) {\r | |
1857 | //\r | |
1858 | // Full length of address shall not have compressing zeros.\r | |
1859 | // Non-full length of address shall have compressing zeros.\r | |
1860 | //\r | |
1861 | return RETURN_UNSUPPORTED;\r | |
1862 | }\r | |
1863 | memcpy (&Address->Addr[0], &LocalAddress.Addr[0], CompressStart);\r | |
7dbc50bd | 1864 | if (AddressIndex > CompressStart) {\r |
3710ec21 | 1865 | memset (&Address->Addr[CompressStart], 0, ARRAY_SIZE (Address->Addr) - AddressIndex);\r |
7dbc50bd YZ |
1866 | memcpy (\r |
1867 | &Address->Addr[CompressStart + ARRAY_SIZE (Address->Addr) - AddressIndex],\r | |
1868 | &LocalAddress.Addr[CompressStart],\r | |
1869 | AddressIndex - CompressStart\r | |
1870 | );\r | |
1871 | }\r | |
1872 | \r | |
1873 | if (PrefixLength != NULL) {\r | |
1874 | *PrefixLength = LocalPrefixLength;\r | |
1875 | }\r | |
1876 | if (EndPointer != NULL) {\r | |
1877 | *EndPointer = (CHAR16 *) Pointer;\r | |
1878 | }\r | |
1879 | \r | |
1880 | return RETURN_SUCCESS;\r | |
1881 | }\r | |
1882 | \r | |
1883 | \r | |
1884 | RETURN_STATUS\r | |
1885 | UnicodeStrToAsciiStrS (\r | |
1886 | CONST CHAR16 *Source,\r | |
1887 | CHAR8 *Destination,\r | |
1888 | UINTN DestMax\r | |
1889 | )\r | |
1890 | {\r | |
1891 | UINTN SourceLen;\r | |
1892 | \r | |
1893 | ASSERT (((UINTN) Source & BIT0) == 0);\r | |
1894 | \r | |
1895 | //\r | |
1896 | // 1. Neither Destination nor Source shall be a null pointer.\r | |
1897 | //\r | |
1898 | SAFE_STRING_CONSTRAINT_CHECK ((Destination != NULL), RETURN_INVALID_PARAMETER);\r | |
1899 | SAFE_STRING_CONSTRAINT_CHECK ((Source != NULL), RETURN_INVALID_PARAMETER);\r | |
1900 | \r | |
1901 | //\r | |
1902 | // 2. DestMax shall not be greater than ASCII_RSIZE_MAX or RSIZE_MAX.\r | |
1903 | //\r | |
1904 | if (ASCII_RSIZE_MAX != 0) {\r | |
1905 | SAFE_STRING_CONSTRAINT_CHECK ((DestMax <= ASCII_RSIZE_MAX), RETURN_INVALID_PARAMETER);\r | |
1906 | }\r | |
1907 | if (RSIZE_MAX != 0) {\r | |
1908 | SAFE_STRING_CONSTRAINT_CHECK ((DestMax <= RSIZE_MAX), RETURN_INVALID_PARAMETER);\r | |
1909 | }\r | |
1910 | \r | |
1911 | //\r | |
1912 | // 3. DestMax shall not equal zero.\r | |
1913 | //\r | |
1914 | SAFE_STRING_CONSTRAINT_CHECK ((DestMax != 0), RETURN_INVALID_PARAMETER);\r | |
1915 | \r | |
1916 | //\r | |
1917 | // 4. DestMax shall be greater than StrnLenS (Source, DestMax).\r | |
1918 | //\r | |
1919 | SourceLen = StrnLenS (Source, DestMax);\r | |
1920 | SAFE_STRING_CONSTRAINT_CHECK ((DestMax > SourceLen), RETURN_BUFFER_TOO_SMALL);\r | |
1921 | \r | |
1922 | //\r | |
1923 | // 5. Copying shall not take place between objects that overlap.\r | |
1924 | //\r | |
1925 | SAFE_STRING_CONSTRAINT_CHECK (!InternalSafeStringIsOverlap (Destination, DestMax, (VOID *)Source, (SourceLen + 1) * sizeof(CHAR16)), RETURN_ACCESS_DENIED);\r | |
1926 | \r | |
1927 | //\r | |
1928 | // convert string\r | |
1929 | //\r | |
1930 | while (*Source != '\0') {\r | |
1931 | //\r | |
1932 | // If any Unicode characters in Source contain\r | |
1933 | // non-zero value in the upper 8 bits, then ASSERT().\r | |
1934 | //\r | |
1935 | ASSERT (*Source < 0x100);\r | |
1936 | *(Destination++) = (CHAR8) *(Source++);\r | |
1937 | }\r | |
1938 | *Destination = '\0';\r | |
1939 | \r | |
1940 | return RETURN_SUCCESS;\r | |
1941 | }\r | |
1942 | \r | |
1943 | RETURN_STATUS\r | |
1944 | StrCpyS (\r | |
1945 | CHAR16 *Destination,\r | |
1946 | UINTN DestMax,\r | |
1947 | CONST CHAR16 *Source\r | |
1948 | )\r | |
1949 | {\r | |
1950 | UINTN SourceLen;\r | |
1951 | \r | |
1952 | ASSERT (((UINTN) Destination & BIT0) == 0);\r | |
1953 | ASSERT (((UINTN) Source & BIT0) == 0);\r | |
1954 | \r | |
1955 | //\r | |
1956 | // 1. Neither Destination nor Source shall be a null pointer.\r | |
1957 | //\r | |
1958 | SAFE_STRING_CONSTRAINT_CHECK ((Destination != NULL), RETURN_INVALID_PARAMETER);\r | |
1959 | SAFE_STRING_CONSTRAINT_CHECK ((Source != NULL), RETURN_INVALID_PARAMETER);\r | |
1960 | \r | |
1961 | //\r | |
1962 | // 2. DestMax shall not be greater than RSIZE_MAX.\r | |
1963 | //\r | |
1964 | if (RSIZE_MAX != 0) {\r | |
1965 | SAFE_STRING_CONSTRAINT_CHECK ((DestMax <= RSIZE_MAX), RETURN_INVALID_PARAMETER);\r | |
1966 | }\r | |
1967 | \r | |
1968 | //\r | |
1969 | // 3. DestMax shall not equal zero.\r | |
1970 | //\r | |
1971 | SAFE_STRING_CONSTRAINT_CHECK ((DestMax != 0), RETURN_INVALID_PARAMETER);\r | |
1972 | \r | |
1973 | //\r | |
1974 | // 4. DestMax shall be greater than StrnLenS(Source, DestMax).\r | |
1975 | //\r | |
1976 | SourceLen = StrnLenS (Source, DestMax);\r | |
1977 | SAFE_STRING_CONSTRAINT_CHECK ((DestMax > SourceLen), RETURN_BUFFER_TOO_SMALL);\r | |
1978 | \r | |
1979 | //\r | |
1980 | // 5. Copying shall not take place between objects that overlap.\r | |
1981 | //\r | |
1982 | SAFE_STRING_CONSTRAINT_CHECK (InternalSafeStringNoStrOverlap (Destination, DestMax, (CHAR16 *)Source, SourceLen + 1), RETURN_ACCESS_DENIED);\r | |
1983 | \r | |
1984 | //\r | |
1985 | // The StrCpyS function copies the string pointed to by Source (including the terminating\r | |
1986 | // null character) into the array pointed to by Destination.\r | |
1987 | //\r | |
1988 | while (*Source != 0) {\r | |
1989 | *(Destination++) = *(Source++);\r | |
1990 | }\r | |
1991 | *Destination = 0;\r | |
1992 | \r | |
1993 | return RETURN_SUCCESS;\r | |
1994 | }\r | |
1995 | \r | |
1996 | VOID *\r | |
1997 | AllocateZeroPool (\r | |
1998 | UINTN AllocationSize\r | |
1999 | )\r | |
2000 | {\r | |
2001 | VOID * Memory;\r | |
2002 | Memory = malloc(AllocationSize);\r | |
2003 | ASSERT (Memory != NULL);\r | |
2004 | if (Memory == NULL) {\r | |
2005 | fprintf(stderr, "Not memory for malloc\n");\r | |
2006 | }\r | |
2007 | memset(Memory, 0, AllocationSize);\r | |
2008 | return Memory;\r | |
2009 | }\r | |
2010 | \r | |
2011 | VOID *\r | |
2012 | AllocatePool (\r | |
2013 | UINTN AllocationSize\r | |
2014 | )\r | |
2015 | {\r | |
2016 | return InternalAllocatePool (AllocationSize);\r | |
2017 | }\r | |
2018 | \r | |
2019 | UINT16\r | |
2020 | WriteUnaligned16 (\r | |
2021 | UINT16 *Buffer,\r | |
2022 | UINT16 Value\r | |
2023 | )\r | |
2024 | {\r | |
2025 | ASSERT (Buffer != NULL);\r | |
2026 | \r | |
2027 | return *Buffer = Value;\r | |
2028 | }\r | |
2029 | \r | |
2030 | UINT16\r | |
2031 | ReadUnaligned16 (\r | |
2032 | CONST UINT16 *Buffer\r | |
2033 | )\r | |
2034 | {\r | |
2035 | ASSERT (Buffer != NULL);\r | |
2036 | \r | |
2037 | return *Buffer;\r | |
2038 | }\r | |
2039 | /**\r | |
2040 | Return whether the integer string is a hex string.\r | |
2041 | \r | |
2042 | @param Str The integer string\r | |
2043 | \r | |
2044 | @retval TRUE Hex string\r | |
2045 | @retval FALSE Decimal string\r | |
2046 | \r | |
2047 | **/\r | |
2048 | BOOLEAN\r | |
2049 | IsHexStr (\r | |
2050 | CHAR16 *Str\r | |
2051 | )\r | |
2052 | {\r | |
2053 | //\r | |
fb0b35e0 | 2054 | // skip preceding white space\r |
7dbc50bd YZ |
2055 | //\r |
2056 | while ((*Str != 0) && *Str == L' ') {\r | |
2057 | Str ++;\r | |
2058 | }\r | |
2059 | //\r | |
fb0b35e0 | 2060 | // skip preceding zeros\r |
7dbc50bd YZ |
2061 | //\r |
2062 | while ((*Str != 0) && *Str == L'0') {\r | |
2063 | Str ++;\r | |
2064 | }\r | |
2065 | \r | |
2066 | return (BOOLEAN) (*Str == L'x' || *Str == L'X');\r | |
2067 | }\r | |
2068 | \r | |
2069 | /**\r | |
2070 | \r | |
2071 | Convert integer string to uint.\r | |
2072 | \r | |
2073 | @param Str The integer string. If leading with "0x" or "0X", it's hexadecimal.\r | |
2074 | \r | |
2075 | @return A UINTN value represented by Str\r | |
2076 | \r | |
2077 | **/\r | |
2078 | UINTN\r | |
2079 | Strtoi (\r | |
2080 | CHAR16 *Str\r | |
2081 | )\r | |
2082 | {\r | |
2083 | if (IsHexStr (Str)) {\r | |
76e5f493 | 2084 | return (UINTN)StrHexToUint64 (Str);\r |
7dbc50bd | 2085 | } else {\r |
76e5f493 | 2086 | return (UINTN)StrDecimalToUint64 (Str);\r |
7dbc50bd YZ |
2087 | }\r |
2088 | }\r | |
2089 | \r | |
2090 | /**\r | |
2091 | \r | |
2092 | Convert integer string to 64 bit data.\r | |
2093 | \r | |
2094 | @param Str The integer string. If leading with "0x" or "0X", it's hexadecimal.\r | |
2095 | @param Data A pointer to the UINT64 value represented by Str\r | |
2096 | \r | |
2097 | **/\r | |
2098 | VOID\r | |
2099 | Strtoi64 (\r | |
2100 | CHAR16 *Str,\r | |
2101 | UINT64 *Data\r | |
2102 | )\r | |
2103 | {\r | |
2104 | if (IsHexStr (Str)) {\r | |
2105 | *Data = StrHexToUint64 (Str);\r | |
2106 | } else {\r | |
2107 | *Data = StrDecimalToUint64 (Str);\r | |
2108 | }\r | |
2109 | }\r | |
2110 | \r | |
2111 | /**\r | |
2112 | Converts a Unicode string to ASCII string.\r | |
2113 | \r | |
2114 | @param Str The equivalent Unicode string\r | |
2115 | @param AsciiStr On input, it points to destination ASCII string buffer; on output, it points\r | |
2116 | to the next ASCII string next to it\r | |
2117 | \r | |
2118 | **/\r | |
2119 | VOID\r | |
2120 | StrToAscii (\r | |
2121 | CHAR16 *Str,\r | |
2122 | CHAR8 **AsciiStr\r | |
2123 | )\r | |
2124 | {\r | |
2125 | CHAR8 *Dest;\r | |
2126 | \r | |
2127 | Dest = *AsciiStr;\r | |
2128 | while (!IS_NULL (*Str)) {\r | |
2129 | *(Dest++) = (CHAR8) *(Str++);\r | |
2130 | }\r | |
2131 | *Dest = 0;\r | |
2132 | \r | |
2133 | //\r | |
2134 | // Return the string next to it\r | |
2135 | //\r | |
2136 | *AsciiStr = Dest + 1;\r | |
2137 | }\r | |
2138 | \r | |
2139 | /**\r | |
2140 | Gets current sub-string from a string list, before return\r | |
2141 | the list header is moved to next sub-string. The sub-string is separated\r | |
2142 | by the specified character. For example, the separator is ',', the string\r | |
2143 | list is "2,0,3", it returns "2", the remain list move to "0,3"\r | |
2144 | \r | |
2145 | @param List A string list separated by the specified separator\r | |
2146 | @param Separator The separator character\r | |
2147 | \r | |
2148 | @return A pointer to the current sub-string\r | |
2149 | \r | |
2150 | **/\r | |
2151 | CHAR16 *\r | |
2152 | SplitStr (\r | |
2153 | CHAR16 **List,\r | |
2154 | CHAR16 Separator\r | |
2155 | )\r | |
2156 | {\r | |
2157 | CHAR16 *Str;\r | |
2158 | CHAR16 *ReturnStr;\r | |
2159 | \r | |
2160 | Str = *List;\r | |
2161 | ReturnStr = Str;\r | |
2162 | \r | |
2163 | if (IS_NULL (*Str)) {\r | |
2164 | return ReturnStr;\r | |
2165 | }\r | |
2166 | \r | |
2167 | //\r | |
2168 | // Find first occurrence of the separator\r | |
2169 | //\r | |
2170 | while (!IS_NULL (*Str)) {\r | |
2171 | if (*Str == Separator) {\r | |
2172 | break;\r | |
2173 | }\r | |
2174 | Str++;\r | |
2175 | }\r | |
2176 | \r | |
2177 | if (*Str == Separator) {\r | |
2178 | //\r | |
2179 | // Find a sub-string, terminate it\r | |
2180 | //\r | |
2181 | *Str = L'\0';\r | |
2182 | Str++;\r | |
2183 | }\r | |
2184 | \r | |
2185 | //\r | |
2186 | // Move to next sub-string\r | |
2187 | //\r | |
2188 | *List = Str;\r | |
2189 | return ReturnStr;\r | |
2190 | }\r | |
2191 | \r |