| 1 | /* Copyright (C) 1996-2020 Free Software Foundation, Inc. | 
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| 2 | This file is part of the GNU C Library. | 
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| 3 | Contributed by Ulrich Drepper <drepper@gnu.ai.mit.edu>, 1996. | 
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| 4 |  | 
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| 5 | The GNU C Library is free software; you can redistribute it and/or | 
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| 6 | modify it under the terms of the GNU Lesser General Public | 
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| 7 | License as published by the Free Software Foundation; either | 
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| 8 | version 2.1 of the License, or (at your option) any later version. | 
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| 9 |  | 
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| 10 | The GNU C Library is distributed in the hope that it will be useful, | 
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| 11 | but WITHOUT ANY WARRANTY; without even the implied warranty of | 
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| 12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU | 
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| 13 | Lesser General Public License for more details. | 
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| 14 |  | 
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| 15 | You should have received a copy of the GNU Lesser General Public | 
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| 16 | License along with the GNU C Library; if not, see | 
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| 17 | <https://www.gnu.org/licenses/>.  */ | 
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| 18 |  | 
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| 19 | #include <string.h> | 
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| 20 | #include <wchar.h> | 
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| 21 |  | 
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| 22 | #undef mbsinit | 
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| 23 | #undef __mbsinit | 
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| 24 |  | 
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| 25 | /* In GNU libc the conversion functions only can convert between the | 
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| 26 | fixed wide character representation and the multibyte | 
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| 27 | representation of the same character set.  Since we use ISO 10646 | 
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| 28 | in UCS4 encoding for wide characters the best solution for | 
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| 29 | multibyte characters is the UTF8 encoding.  I.e., the only state | 
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| 30 | information is a counter of the processed bytes so far and the | 
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| 31 | value collected so far.  Especially, we don't have different shift | 
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| 32 | states.  */ | 
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| 33 | int | 
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| 34 | __mbsinit (const mbstate_t *ps) | 
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| 35 | { | 
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| 36 | return ps == NULL || ps->__count == 0; | 
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| 37 | } | 
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| 38 | weak_alias (__mbsinit, mbsinit) | 
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| 39 |  | 
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