nortti
/
sortix-mirror
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

Add wcsncmp(3).

This commit is contained in:
Jonas 'Sortie' Termansen 2013-09-16 00:06:27 +02:00
parent adb3bf543f
commit 2db8bc088d
3 changed files with 41 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
libc/Makefile
View File

@ -186,6 +186,7 @@ wchar/wcscpy.o \
wchar/wcscspn.o \
wchar/wcslen.o \
wchar/wcsncat.o \
wchar/wcsncmp.o \
wchar/wcsncpy.o \
wchar/wcsrchr.o \
wchar/wcsrtombs.o \

2
libc/include/wchar.h
View File

@ -74,6 +74,7 @@ wchar_t* wcscpy(wchar_t* __restrict, const wchar_t* __restrict);
size_t wcscspn(const wchar_t*, const wchar_t*);
size_t wcslen(const wchar_t*);
wchar_t* wcsncat(wchar_t* __restrict, const wchar_t* __restrict, size_t);
int wcsncmp(const wchar_t*, const wchar_t*, size_t);
wchar_t* wcsncpy(wchar_t* __restrict, const wchar_t* __restrict, size_t);
wchar_t* wcsrchr(const wchar_t*, wchar_t);
size_t wcsrtombs(char* __restrict, const wchar_t** __restrict, size_t, mbstate_t* __restrict);
@ -103,7 +104,6 @@ int vswprintf(wchar_t* __restrict, size_t, const wchar_t* __restrict, va_list);
int vswscanf(const wchar_t* __restrict, const wchar_t* __restrict, va_list);
int vwprintf(const wchar_t* __restrict, va_list);
int vwscanf(const wchar_t* __restrict, va_list);
int wcsncmp(const wchar_t*, const wchar_t*, size_t);
int wcswidth(const wchar_t*, size_t);
int wctob(wint_t);
int wcwidth(wchar_t);

39
libc/wchar/wcsncmp.cpp Normal file
View File

@ -0,0 +1,39 @@
/*******************************************************************************
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;
}