1
0
Fork 0
mirror of https://gitlab.com/sortix/sortix.git synced 2023-02-13 20:55:38 -05:00
sortix--sortix/libc/wchar/wcscspn.cpp

49 lines
1.5 KiB
C++
Raw Normal View History

2013-03-23 19:54:34 -04:00
/*******************************************************************************
Copyright(C) Jonas 'Sortie' Termansen 2011, 2012, 2013.
This file is part of the Sortix C Library.
The Sortix C Library 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.
The Sortix C Library 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 the Sortix C Library. If not, see <http://www.gnu.org/licenses/>.
wchar/wcscspn.cpp
2013-03-23 19:54:34 -04:00
Search a string for a set of characters.
*******************************************************************************/
#include <wchar.h>
extern "C" size_t wcscspn(const wchar_t* str, const wchar_t* reject)
{
size_t reject_length = 0;
while ( reject[reject_length] )
reject_length++;
2013-03-23 19:54:34 -04:00
for ( size_t result = 0; true; result++ )
{
wchar_t c = str[result];
if ( !c )
return result;
2013-03-23 19:54:34 -04:00
bool matches = false;
for ( size_t i = 0; i < reject_length; i++ )
2013-03-23 19:54:34 -04:00
{
if ( str[result] != reject[i] )
continue;
2013-03-23 19:54:34 -04:00
matches = true;
break;
}
if ( matches )
return result;
2013-03-23 19:54:34 -04:00
}
}