annotate lib/wctob.c @ 13303:522a26cf44a2

wctob: Fix for weird platforms.
author Bruno Haible <bruno@clisp.org>
date Mon, 03 May 2010 10:07:34 +0200
parents c2cbabec01dd
children 97fc9a21a8fb
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1 /* Convert wide character to unibyte character.
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2 Copyright (C) 2008, 2010 Free Software Foundation, Inc.
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3 Written by Bruno Haible <bruno@clisp.org>, 2008.
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4
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5 This program is free software: you can redistribute it and/or modify
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6 it under the terms of the GNU General Public License as published by
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7 the Free Software Foundation; either version 3 of the License, or
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8 (at your option) any later version.
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9
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10 This program 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
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13 GNU 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 General Public License
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16 along with this program. If not, see <http://www.gnu.org/licenses/>. */
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17
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18 #include <config.h>
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19
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20 /* Specification. */
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21 #include <wchar.h>
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22
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23 #include <stdio.h>
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24 #include <stdlib.h>
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25
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26 int
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27 wctob (wint_t wc)
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28 {
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29 char buf[64];
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30
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31 if (!(MB_CUR_MAX <= sizeof (buf)))
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32 abort ();
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33 /* Handle the case where WEOF is a value that does not fit in a wchar_t. */
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34 if (wc == (wchar_t)wc)
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35 if (wctomb (buf, (wchar_t)wc) == 1)
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36 return (unsigned char) buf[0];
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37 return EOF;
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38 }