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698be2d8 CB |
1 | /* Convert unibyte character to wide character. |
2 | Copyright (C) 2008, 2010-2020 Free Software Foundation, Inc. | |
3 | Written by Bruno Haible <bruno@clisp.org>, 2008. | |
4 | ||
5 | This program is free software: you can redistribute it and/or modify | |
6 | it under the terms of the GNU General Public License as published by | |
7 | the Free Software Foundation; either version 3 of the License, or | |
8 | (at your option) any later version. | |
9 | ||
10 | This program is distributed in the hope that it will be useful, | |
11 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
13 | GNU General Public License for more details. | |
14 | ||
15 | You should have received a copy of the GNU General Public License | |
16 | along with this program. If not, see <https://www.gnu.org/licenses/>. */ | |
17 | ||
18 | #include <config.h> | |
19 | ||
20 | /* Specification. */ | |
21 | #include <wchar.h> | |
22 | ||
23 | #include <stdio.h> | |
24 | #include <stdlib.h> | |
25 | ||
26 | wint_t | |
27 | btowc (int c) | |
28 | { | |
29 | if (c != EOF) | |
30 | { | |
31 | char buf[1]; | |
32 | wchar_t wc; | |
33 | ||
34 | buf[0] = c; | |
35 | if (mbtowc (&wc, buf, 1) >= 0) | |
36 | return wc; | |
37 | } | |
38 | return WEOF; | |
39 | } |