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Add wcsdup(3).

This commit is contained in:
Jonas 'Sortie' Termansen 2014-05-28 20:53:57 +02:00
parent 8ed26bb26e
commit 01b7754c29
3 changed files with 38 additions and 1 deletions
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1
libc/Makefile
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@ -253,6 +253,7 @@ wchar/wcscmp.o \
wchar/wcscoll.o \
wchar/wcscpy.o \
wchar/wcscspn.o \
wchar/wcsdup.o \
wchar/wcsftime.o \
wchar/wcslen.o \
wchar/wcsncat.o \

2
libc/include/wchar.h
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@ -202,7 +202,7 @@ wchar_t* wcpncpy(wchar_t* __restrict, const wchar_t* __restrict, size_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*); */
wchar_t* wcsdup(const wchar_t*);
/* TODO: int wcsncasecmp(const wchar_t*, const wchar_t *, size_t); */
/* TODO: int wcsncasecmp_l(const wchar_t*, const wchar_t *, size_t, locale_t); */
/* TODO: size_t wcsnlen(const wchar_t*, size_t); */

36
libc/wchar/wcsdup.cpp Normal file
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@ -0,0 +1,36 @@
/*******************************************************************************
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/wcsdup.cpp
Creates a copy of a string.
*******************************************************************************/
#include <stdlib.h>
#include <wchar.h>
extern "C" wchar_t* wcsdup(const wchar_t* input)
{
size_t input_length = wcslen(input);
wchar_t* result = (wchar_t*) malloc(sizeof(wchar_t) * (input_length + 1));
if ( !result )
return NULL;
wmemcpy(result, input, input_length + 1);
return result;
}