fx_unicode_length_get_extended.c
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|---|---|---|---|
| 1 | /*************************************************************************** | ||
| 2 | * Copyright (c) 2024 Microsoft Corporation | ||
| 3 | * Copyright (c) 2026-present Eclipse ThreadX contributors | ||
| 4 | * | ||
| 5 | * This program and the accompanying materials are made available under the | ||
| 6 | * terms of the MIT License which is available at | ||
| 7 | * https://opensource.org/licenses/MIT. | ||
| 8 | * | ||
| 9 | * SPDX-License-Identifier: MIT | ||
| 10 | **************************************************************************/ | ||
| 11 | |||
| 12 | |||
| 13 | /**************************************************************************/ | ||
| 14 | /**************************************************************************/ | ||
| 15 | /** */ | ||
| 16 | /** FileX Component */ | ||
| 17 | /** */ | ||
| 18 | /** Unicode */ | ||
| 19 | /** */ | ||
| 20 | /**************************************************************************/ | ||
| 21 | /**************************************************************************/ | ||
| 22 | |||
| 23 | #define FX_SOURCE_CODE | ||
| 24 | |||
| 25 | |||
| 26 | /* Include necessary system files. */ | ||
| 27 | |||
| 28 | #include "fx_api.h" | ||
| 29 | #include "fx_unicode.h" | ||
| 30 | |||
| 31 | |||
| 32 | /**************************************************************************/ | ||
| 33 | /* */ | ||
| 34 | /* FUNCTION RELEASE */ | ||
| 35 | /* */ | ||
| 36 | /* _fx_unicode_length_get_extended PORTABLE C */ | ||
| 37 | /* 6.1 */ | ||
| 38 | /* AUTHOR */ | ||
| 39 | /* */ | ||
| 40 | /* William E. Lamie, Microsoft Corporation */ | ||
| 41 | /* */ | ||
| 42 | /* DESCRIPTION */ | ||
| 43 | /* */ | ||
| 44 | /* This function returns the length of the supplied unicode name. */ | ||
| 45 | /* */ | ||
| 46 | /* INPUT */ | ||
| 47 | /* */ | ||
| 48 | /* unicode_name Pointer to unicode name */ | ||
| 49 | /* buffer_length Buffer length for unicode name*/ | ||
| 50 | /* */ | ||
| 51 | /* OUTPUT */ | ||
| 52 | /* */ | ||
| 53 | /* length */ | ||
| 54 | /* */ | ||
| 55 | /* CALLS */ | ||
| 56 | /* */ | ||
| 57 | /* None */ | ||
| 58 | /* */ | ||
| 59 | /* CALLED BY */ | ||
| 60 | /* */ | ||
| 61 | /* Application Code */ | ||
| 62 | /* */ | ||
| 63 | /**************************************************************************/ | ||
| 64 | 5316 | ULONG _fx_unicode_length_get_extended(UCHAR *unicode_name, UINT buffer_length) | |
| 65 | { | ||
| 66 | |||
| 67 | ULONG i; | ||
| 68 | ULONG length; | ||
| 69 | |||
| 70 | |||
| 71 | 5316 | i = 0; | |
| 72 | 5316 | length = 0; | |
| 73 |
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37334 | while (i < buffer_length) |
| 74 | { | ||
| 75 | |||
| 76 | /* See if we are at the end of the unicode string... This assumes that there is a NULL at the end of the string. */ | ||
| 77 |
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37321 | if ((unicode_name[i] == 0) && (unicode_name[i + 1] == 0)) |
| 78 | { | ||
| 79 | 5303 | break; | |
| 80 | } | ||
| 81 | |||
| 82 | /* Increment index. */ | ||
| 83 | 32018 | i = i + 2; | |
| 84 | |||
| 85 | /* Increment the length. */ | ||
| 86 | 32018 | length++; | |
| 87 | } | ||
| 88 | |||
| 89 | /* If trace is enabled, insert this event into the trace buffer. */ | ||
| 90 | FX_TRACE_IN_LINE_INSERT(FX_TRACE_UNICODE_LENGTH_GET, unicode_name, length, 0, 0, FX_TRACE_FILE_EVENTS, 0, 0) | ||
| 91 | |||
| 92 | /* Return length. */ | ||
| 93 | 5316 | return(length); | |
| 94 | } | ||
| 95 | |||
| 96 |