65 lines
1.4 KiB
C
65 lines
1.4 KiB
C
/*
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* $Id: str_rev.c 443 2011-04-25 14:56:05Z hyunghwan.chung $
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*
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Copyright 2006-2011 Chung, Hyung-Hwan.
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This file is part of QSE.
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QSE is free software: you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as
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published by the Free Software Foundation, either version 3 of
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the License, or (at your option) any later version.
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QSE is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with QSE. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <qse/cmn/str.h>
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qse_size_t qse_mbsrev (qse_mchar_t* str)
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{
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return qse_mbsxrev (str, qse_mbslen(str));
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}
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qse_size_t qse_mbsxrev (qse_mchar_t* str, qse_size_t len)
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{
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qse_mchar_t ch;
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qse_mchar_t* start = str;
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qse_mchar_t* end = str + len - 1;
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while (start < end)
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{
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ch = *start;
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*start++ = *end;
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*end-- = ch;
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}
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return len;
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}
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qse_size_t qse_wcsrev (qse_wchar_t* str)
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{
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return qse_wcsxrev (str, qse_wcslen(str));
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}
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qse_size_t qse_wcsxrev (qse_wchar_t* str, qse_size_t len)
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{
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qse_wchar_t ch;
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qse_wchar_t* start = str;
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qse_wchar_t* end = str + len - 1;
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while (start < end)
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{
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ch = *start;
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*start++ = *end;
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*end-- = ch;
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}
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return len;
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}
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