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Add wcpncpy(3).

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This commit is contained in:
Jonas 'Sortie' Termansen 2014-05-28 20:13:36 +02:00
parent c9b17d5490
commit 34935845b4
3 changed files with 39 additions and 1 deletions
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1
libc/Makefile
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@ -243,6 +243,7 @@ wchar/mbsinit.o \
wchar/mbsnrtowcs.o \
wchar/mbsrtowcs.o \
wchar/wcpcpy.o \
wchar/wcpncpy.o \
wchar/wcrtomb.o \
wchar/wcscat.o \
wchar/wcschrnul.o \

2
libc/include/wchar.h
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@ -198,7 +198,7 @@ int wcwidth(wchar_t);
size_t mbsnrtowcs(wchar_t* __restrict, const char** __restrict, size_t, size_t, mbstate_t* __restrict);
/* TODO: FILE* open_wmemstream(wchar_t**, size_t*); */
wchar_t* wcpcpy(wchar_t* __restrict, const wchar_t* __restrict);
/* TODO: wchar_t* wcpncpy(wchar_t* __restrict, const wchar_t* __restrict, size_t); */
wchar_t* wcpncpy(wchar_t* __restrict, const wchar_t* __restrict, size_t);
/* TODO: 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); */

37
libc/wchar/wcpncpy.cpp Normal file
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@ -0,0 +1,37 @@
/*******************************************************************************
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/wcpncpy.cpp
Copies a string into a fixed size buffer and returns last byte.
*******************************************************************************/
#include <wchar.h>
extern "C"
wchar_t* wcpncpy(wchar_t* restrict dest, const wchar_t* restrict src, size_t n)
{
size_t i;
for ( i = 0; i < n && src[i] != L'\0'; i++ )
dest[i] = src[i];
wchar_t* ret = dest + i;
for ( ; i < n; i++ )
dest[i] = L'\0';
return ret;
}