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Add wcsncpy(3).

This commit is contained in:
Jonas 'Sortie' Termansen 2013-03-24 00:45:23 +01:00
parent 3ec03badf3
commit 7734074ba7
3 changed files with 37 additions and 1 deletions

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@ -137,6 +137,7 @@ wcscmp.o \
wcscpy.o \
wcslen.o \
wcsncat.o \
wcsncpy.o \
wctomb.o \
wctype.o \

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@ -70,6 +70,7 @@ int wcscmp(const wchar_t*, const wchar_t*);
wchar_t* wcscpy(wchar_t* restrict, const wchar_t* restrict);
size_t wcslen(const wchar_t*);
wchar_t* wcsncat(wchar_t* restrict, const wchar_t* restrict, size_t);
wchar_t* wcsncpy(wchar_t* restrict, const wchar_t* restrict, size_t);
/* TODO: These are not implemented in sortix libc yet. */
#if defined(__SORTIX_SHOW_UNIMPLEMENTED)
@ -110,7 +111,6 @@ size_t wcsxfrm(wchar_t* restrict, const wchar_t* restrict, size_t);
unsigned long long wcstoull(const wchar_t* restrict, wchar_t** restrict, int);
unsigned long wcstoul(const wchar_t* restrict, wchar_t** restrict, int);
wchar_t* fgetws(wchar_t* restrict, int, FILE* restrict);
wchar_t* wcsncpy(wchar_t* restrict, const wchar_t* restrict, size_t);
wchar_t* wcspbrk(const wchar_t*, const wchar_t*);
wchar_t* wcsrchr(const wchar_t*, wchar_t);
wchar_t* wcsstr(const wchar_t* restrict, const wchar_t* restrict);

35
libc/wcsncpy.cpp Normal file
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@ -0,0 +1,35 @@
/*******************************************************************************
Copyright(C) Jonas 'Sortie' Termansen 2011, 2012, 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/>.
wcsncpy.cpp
Copies a string into a fixed size buffer and returns dest.
*******************************************************************************/
#include <wchar.h>
extern "C" wchar_t* wcsncpy(wchar_t* dest, const wchar_t* src, size_t n)
{
size_t i;
for ( i = 0; i < n && src[i] != L'\0'; i++ )
dest[i] = src[i];
for ( ; i < n; i++ )
dest[i] = L'\0';
return dest;
}