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2b778ceb | 1 | /* Copyright (C) 1991-2021 Free Software Foundation, Inc. |
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2 | This file is part of the GNU C Library. |
3 | ||
4 | The GNU C Library is free software; you can redistribute it and/or | |
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5 | modify it under the terms of the GNU Lesser General Public |
6 | License as published by the Free Software Foundation; either | |
7 | version 2.1 of the License, or (at your option) any later version. | |
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8 | |
9 | The GNU C Library is distributed in the hope that it will be useful, | |
10 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
41bdb6e2 | 12 | Lesser General Public License for more details. |
7cc27f44 | 13 | |
41bdb6e2 | 14 | You should have received a copy of the GNU Lesser General Public |
59ba27a6 | 15 | License along with the GNU C Library; if not, see |
5a82c748 | 16 | <https://www.gnu.org/licenses/>. */ |
28f540f4 | 17 | |
28f540f4 | 18 | #include <stdlib.h> |
9f097308 | 19 | #include <string.h> |
6dbe2837 | 20 | #include <wchar.h> |
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21 | |
22 | ||
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23 | /* Convert the string of multibyte characters in S to `wchar_t's in |
24 | PWCS, writing no more than N. Return the number written, | |
01780188 | 25 | or (size_t) -1 if an invalid multibyte character is encountered. */ |
28f540f4 | 26 | size_t |
6dbe2837 | 27 | mbstowcs (wchar_t *pwcs, const char *s, size_t n) |
28f540f4 | 28 | { |
9f097308 | 29 | mbstate_t state; |
28f540f4 | 30 | |
9f097308 | 31 | memset (&state, '\0', sizeof state); |
28f540f4 | 32 | /* Return how many we wrote (or maybe an error). */ |
9f097308 | 33 | return __mbsrtowcs (pwcs, &s, n, &state); |
28f540f4 | 34 | } |