98 lines
2.4 KiB
C
98 lines
2.4 KiB
C
/*
|
|
* $Id$
|
|
*
|
|
Copyright 2006-2012 Chung, Hyung-Hwan.
|
|
This file is part of QSE.
|
|
|
|
QSE is free software: you can redistribute it and/or modify
|
|
it under the terms of the GNU Lesser General Public License as
|
|
published by the Free Software Foundation, either version 3 of
|
|
the License, or (at your option) any later version.
|
|
|
|
QSE is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
GNU Lesser General Public License for more details.
|
|
|
|
You should have received a copy of the GNU Lesser General Public
|
|
License along with QSE. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
#include <qse/cmn/str.h>
|
|
|
|
qse_mchar_t* qse_mbsend (const qse_mchar_t* str, const qse_mchar_t* sub)
|
|
{
|
|
return qse_mbsxnend (str, qse_mbslen(str), sub, qse_mbslen(sub));
|
|
}
|
|
|
|
qse_mchar_t* qse_mbsxend (
|
|
const qse_mchar_t* str, qse_size_t len, const qse_mchar_t* sub)
|
|
{
|
|
return qse_mbsxnend (str, len, sub, qse_mbslen(sub));
|
|
}
|
|
|
|
qse_mchar_t* qse_mbsnend (
|
|
const qse_mchar_t* str, const qse_mchar_t* sub, qse_size_t len)
|
|
{
|
|
return qse_mbsxnend (str, qse_mbslen(str), sub, len);
|
|
}
|
|
|
|
qse_mchar_t* qse_mbsxnend (
|
|
const qse_mchar_t* str, qse_size_t len1,
|
|
const qse_mchar_t* sub, qse_size_t len2)
|
|
{
|
|
const qse_mchar_t* end1, * end2;
|
|
|
|
if (len2 > len1) return QSE_NULL;
|
|
|
|
end1 = str + len1;
|
|
end2 = sub + len2;
|
|
|
|
while (end2 > sub)
|
|
{
|
|
if (end1 <= str) return QSE_NULL;
|
|
if (*(--end1) != *(--end2)) return QSE_NULL;
|
|
}
|
|
|
|
/* returns the pointer to the match start */
|
|
return (qse_mchar_t*)end1;
|
|
}
|
|
|
|
qse_wchar_t* qse_wcsend (const qse_wchar_t* str, const qse_wchar_t* sub)
|
|
{
|
|
return qse_wcsxnend (str, qse_wcslen(str), sub, qse_wcslen(sub));
|
|
}
|
|
|
|
qse_wchar_t* qse_wcsxend (
|
|
const qse_wchar_t* str, qse_size_t len, const qse_wchar_t* sub)
|
|
{
|
|
return qse_wcsxnend (str, len, sub, qse_wcslen(sub));
|
|
}
|
|
|
|
qse_wchar_t* qse_wcsnend (
|
|
const qse_wchar_t* str, const qse_wchar_t* sub, qse_size_t len)
|
|
{
|
|
return qse_wcsxnend (str, qse_wcslen(str), sub, len);
|
|
}
|
|
|
|
qse_wchar_t* qse_wcsxnend (
|
|
const qse_wchar_t* str, qse_size_t len1,
|
|
const qse_wchar_t* sub, qse_size_t len2)
|
|
{
|
|
const qse_wchar_t* end1, * end2;
|
|
|
|
if (len2 > len1) return QSE_NULL;
|
|
|
|
end1 = str + len1;
|
|
end2 = sub + len2;
|
|
|
|
while (end2 > sub)
|
|
{
|
|
if (end1 <= str) return QSE_NULL;
|
|
if (*(--end1) != *(--end2)) return QSE_NULL;
|
|
}
|
|
|
|
/* returns the pointer to the match start */
|
|
return (qse_wchar_t*)end1;
|
|
}
|