fxe_unicode_short_name_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 | FX_CALLER_CHECKING_EXTERNS | ||
| 33 | |||
| 34 | /**************************************************************************/ | ||
| 35 | /* */ | ||
| 36 | /* FUNCTION RELEASE */ | ||
| 37 | /* */ | ||
| 38 | /* _fxe_unicode_short_name_get_extended PORTABLE C */ | ||
| 39 | /* 6.1 */ | ||
| 40 | /* AUTHOR */ | ||
| 41 | /* */ | ||
| 42 | /* William E. Lamie, Microsoft Corporation */ | ||
| 43 | /* */ | ||
| 44 | /* DESCRIPTION */ | ||
| 45 | /* */ | ||
| 46 | /* This function checks for errors in the Unicode short name get */ | ||
| 47 | /* service. */ | ||
| 48 | /* */ | ||
| 49 | /* INPUT */ | ||
| 50 | /* */ | ||
| 51 | /* media_ptr Pointer to media */ | ||
| 52 | /* source_unicode_name Pointer to unicode name */ | ||
| 53 | /* source_unicode_length Length of unicode name */ | ||
| 54 | /* destination_short_name Pointer to destination name */ | ||
| 55 | /* short_name_buffer_length Buffer length of short name */ | ||
| 56 | /* */ | ||
| 57 | /* OUTPUT */ | ||
| 58 | /* */ | ||
| 59 | /* Completion Status */ | ||
| 60 | /* */ | ||
| 61 | /* CALLS */ | ||
| 62 | /* */ | ||
| 63 | /* _fx_unicode_short_name_get_extended Actual unicode short name get */ | ||
| 64 | /* service */ | ||
| 65 | /* */ | ||
| 66 | /* CALLED BY */ | ||
| 67 | /* */ | ||
| 68 | /* Application Code */ | ||
| 69 | /* */ | ||
| 70 | /**************************************************************************/ | ||
| 71 | 5552 | UINT _fxe_unicode_short_name_get_extended(FX_MEDIA *media_ptr, UCHAR *source_unicode_name, ULONG source_unicode_length, | |
| 72 | CHAR *destination_short_name, ULONG short_name_buffer_length) | ||
| 73 | { | ||
| 74 | |||
| 75 | UINT status, i; | ||
| 76 | |||
| 77 | |||
| 78 | /* Check for a NULL media or name pointers. */ | ||
| 79 |
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5552 | if ((media_ptr == FX_NULL) || (source_unicode_name == FX_NULL) || (source_unicode_length == 0) || (destination_short_name == FX_NULL)) |
| 80 | { | ||
| 81 | 2760 | return(FX_PTR_ERROR); | |
| 82 | } | ||
| 83 | |||
| 84 | /* Check for zero length buffer. */ | ||
| 85 |
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2792 | if (short_name_buffer_length == 0) |
| 86 | { | ||
| 87 | 690 | return(FX_BUFFER_ERROR); | |
| 88 | } | ||
| 89 | |||
| 90 | /* Check for a valid caller. */ | ||
| 91 |
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2086 | FX_CALLER_CHECKING_CODE |
| 92 | |||
| 93 | /* Check unicode zero in source_unicode_name */ | ||
| 94 |
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280 | for (i = 0; i < (source_unicode_length << 1); i += 2) |
| 95 | { | ||
| 96 |
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256 | if ((source_unicode_name[i] == 0) && (source_unicode_name[i + 1] == 0)) |
| 97 | { | ||
| 98 | 8 | return(FX_INVALID_NAME); | |
| 99 | } | ||
| 100 | } | ||
| 101 | |||
| 102 | /* Call actual Unicode short name get service. */ | ||
| 103 | 24 | status = _fx_unicode_short_name_get_extended(media_ptr, source_unicode_name, source_unicode_length, destination_short_name, short_name_buffer_length); | |
| 104 | |||
| 105 | /* Return status to the caller. */ | ||
| 106 | 24 | return(status); | |
| 107 | } | ||
| 108 | |||
| 109 |