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Add wcsxfrm(3).

This commit is contained in:
Jonas 'Sortie' Termansen 2013-09-16 00:14:06 +02:00
parent 2db8bc088d
commit b944052a2e
3 changed files with 35 additions and 1 deletions
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1
libc/Makefile
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@ -196,6 +196,7 @@ wchar/wcstoll.o \
wchar/wcstol.o \
wchar/wcstoull.o \
wchar/wcstoul.o \
wchar/wcsxfrm.o \
wchar/wmemcmp.o \
wctype/wctype.o \

2
libc/include/wchar.h
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@ -84,6 +84,7 @@ long long wcstoll(const wchar_t* __restrict, wchar_t** __restrict, int);
long wcstol(const wchar_t* __restrict, wchar_t** __restrict, int);
unsigned long long wcstoull(const wchar_t* __restrict, wchar_t** __restrict, int);
unsigned long wcstoul(const wchar_t* __restrict, wchar_t** __restrict, int);
size_t wcsxfrm(wchar_t* __restrict, const wchar_t* __restrict, size_t);
int wmemcmp(const wchar_t*, const wchar_t*, size_t);
/* TODO: These are not implemented in sortix libc yet. */
@ -111,7 +112,6 @@ int wprintf(const wchar_t* __restrict, ...);
int wscanf(const wchar_t* __restrict, ...);
long double wcstold(const wchar_t* __restrict, wchar_t** __restrict);
size_t wcsftime(wchar_t* __restrict, size_t, const wchar_t* __restrict, const struct tm* __restrict);
size_t wcsxfrm(wchar_t* __restrict, const wchar_t* __restrict, size_t);
wchar_t* fgetws(wchar_t* __restrict, int, FILE* __restrict);
wchar_t* wcspbrk(const wchar_t*, const wchar_t*);
wchar_t* wcsstr(const wchar_t* __restrict, const wchar_t* __restrict);

33
libc/wchar/wcsxfrm.cpp Normal file
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@ -0,0 +1,33 @@
/*******************************************************************************
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/wcsxfrm.cpp
Transform a string such that the result of wcscmp is the same as wcscoll.
*******************************************************************************/
#include <wchar.h>
extern "C"
size_t wcsxfrm(wchar_t* restrict dest, const wchar_t* restrict src, size_t n)
{
size_t srclen = wcslen(src);
wcsncpy(dest, src, n);
return srclen;
}