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sortix--sortix/libc/wchar/wcsncmp.cpp
Jonas 'Sortie' Termansen 2db8bc088d Add wcsncmp(3).
2013-12-17 14:30:41 +01:00

39 lines
1.3 KiB
C++

/*******************************************************************************
Copyright(C) Jonas 'Sortie' Termansen 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/wcsncmp.cpp
Compares a prefix of two wide strings.
*******************************************************************************/
#include <wchar.h>
extern "C" int wcsncmp(const wchar_t* a, const wchar_t* b, size_t n)
{
for ( size_t i = 0; i < n; i++ )
{
if ( a[i] == L'\0' && b[i] == L'\0' )
return 0;
if ( a[i] < b[i] )
return -1;
if ( a[i] > b[i] )
return 1;
}
return 0;
}