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Add wcslen(3).

This commit is contained in:
Jonas 'Sortie' Termansen 2013-03-24 00:29:31 +01:00
parent 8f1e1018c7
commit 93eda97b84
3 changed files with 35 additions and 1 deletions
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1
libc/Makefile
View File

@ -131,6 +131,7 @@ vfscanf.o \
vsscanf.o \
wcrtomb.o \
wcscpy.o \
wcslen.o \
wctomb.o \
wctype.o \

2
libc/include/wchar.h
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@ -64,6 +64,7 @@ struct tm;
size_t wcrtomb(char* restrict, wchar_t, mbstate_t* restrict);
size_t mbrtowc(wchar_t* restrict, const char* restrict, size_t, mbstate_t* restrict);
wchar_t* wcscpy(wchar_t* restrict, const wchar_t* restrict);
size_t wcslen(const wchar_t*);
/* TODO: These are not implemented in sortix libc yet. */
#if defined(__SORTIX_SHOW_UNIMPLEMENTED)
@ -99,7 +100,6 @@ size_t mbrlen(const char* restrict, size_t, mbstate_t* restrict);
size_t mbsrtowcs(wchar_t* restrict, const char** restrict, size_t, mbstate_t* restrict);
size_t wcscspn(const wchar_t*, const wchar_t*);
size_t wcsftime(wchar_t* restrict, size_t, const wchar_t* restrict, const struct tm* restrict);
size_t wcslen(const wchar_t*);
size_t wcsrtombs(char* restrict, const wchar_t** restrict, size_t, mbstate_t* restrict);
size_t wcsspn(const wchar_t*, const wchar_t*);
size_t wcsxfrm(wchar_t* restrict, const wchar_t* restrict, size_t);

33
libc/wcslen.cpp Normal file
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@ -0,0 +1,33 @@
/*******************************************************************************
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/>.
wcslen.cpp
Returns the length of a string.
*******************************************************************************/
#include <string.h>
extern "C" size_t wcslen(const wchar_t* str)
{
size_t ret = 0;
while ( str[ret] )
ret++;
return ret;
}