qse/qse/lib/cmn/str_chr.c

122 lines
2.4 KiB
C

/*
* $Id: str_chr.c 443 2011-04-25 14:56:05Z hyunghwan.chung $
*
Copyright 2006-2011 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_mbschr (const qse_mchar_t* str, qse_mcint_t c)
{
while (*str != QSE_MT('\0'))
{
if (*str == c) return (qse_mchar_t*)str;
str++;
}
return QSE_NULL;
}
qse_mchar_t* qse_mbsxchr (const qse_mchar_t* str, qse_size_t len, qse_mcint_t c)
{
const qse_mchar_t* end = str + len;
while (str < end)
{
if (*str == c) return (qse_mchar_t*)str;
str++;
}
return QSE_NULL;
}
qse_mchar_t* qse_mbsrchr (const qse_mchar_t* str, qse_mcint_t c)
{
const qse_mchar_t* end = str;
while (*end != QSE_MT('\0')) end++;
while (end > str)
{
if (*--end == c) return (qse_mchar_t*)end;
}
return QSE_NULL;
}
qse_mchar_t* qse_mbsxrchr (const qse_mchar_t* str, qse_size_t len, qse_mcint_t c)
{
const qse_mchar_t* end = str + len;
while (end > str)
{
if (*--end == c) return (qse_mchar_t*)end;
}
return QSE_NULL;
}
qse_wchar_t* qse_wcschr (const qse_wchar_t* str, qse_wcint_t c)
{
while (*str != QSE_WT('\0'))
{
if (*str == c) return (qse_wchar_t*)str;
str++;
}
return QSE_NULL;
}
qse_wchar_t* qse_wcsxchr (const qse_wchar_t* str, qse_size_t len, qse_wcint_t c)
{
const qse_wchar_t* end = str + len;
while (str < end)
{
if (*str == c) return (qse_wchar_t*)str;
str++;
}
return QSE_NULL;
}
qse_wchar_t* qse_wcsrchr (const qse_wchar_t* str, qse_wcint_t c)
{
const qse_wchar_t* end = str;
while (*end != QSE_MT('\0')) end++;
while (end > str)
{
if (*--end == c) return (qse_wchar_t*)end;
}
return QSE_NULL;
}
qse_wchar_t* qse_wcsxrchr (const qse_wchar_t* str, qse_size_t len, qse_wcint_t c)
{
const qse_wchar_t* end = str + len;
while (end > str)
{
if (*--end == c) return (qse_wchar_t*)end;
}
return QSE_NULL;
}