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Add wcscasecmp(3).

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This commit is contained in:
Jonas 'Sortie' Termansen 2014-05-28 20:49:27 +02:00
parent 34935845b4
commit 8ed26bb26e
3 changed files with 43 additions and 1 deletions
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1
libc/Makefile
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@ -245,6 +245,7 @@ wchar/mbsrtowcs.o \
wchar/wcpcpy.o \
wchar/wcpncpy.o \
wchar/wcrtomb.o \
wchar/wcscasecmp.o \
wchar/wcscat.o \
wchar/wcschrnul.o \
wchar/wcschr.o \

2
libc/include/wchar.h
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@ -199,7 +199,7 @@ size_t mbsnrtowcs(wchar_t* __restrict, const char** __restrict, size_t, size_t,
/* TODO: FILE* open_wmemstream(wchar_t**, size_t*); */
wchar_t* wcpcpy(wchar_t* __restrict, const wchar_t* __restrict);
wchar_t* wcpncpy(wchar_t* __restrict, const wchar_t* __restrict, size_t);
/* TODO: int wcscasecmp(const wchar_t*, const wchar_t*); */
int wcscasecmp(const wchar_t*, const wchar_t*);
/* TODO: int wcscasecmp_l(const wchar_t*, const wchar_t*, locale_t); */
/* TODO: int wcscoll_l(const wchar_t*, const wchar_t*, locale_t); */
/* TODO: wchar_t* wcsdup(const wchar_t*); */

41
libc/wchar/wcscasecmp.cpp Normal file
View file

@ -0,0 +1,41 @@
/*******************************************************************************
Copyright(C) Jonas 'Sortie' Termansen 2014.
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/wcscasecmp.cpp
Compares two strings ignoring case.
*******************************************************************************/
#include <wchar.h>
#include <wctype.h>
extern "C"
int wcscasecmp(const wchar_t* a, const wchar_t* b)
{
while ( true )
{
wchar_t ac = towlower(*a++), bc = towlower(*b++);
if ( ac == L'\0' && bc == L'\0' )
return 0;
if ( ac < bc )
return -1;
if ( ac > bc )
return 1;
}
}