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Add wmemchr(3).

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This commit is contained in:
Jonas 'Sortie' Termansen 2013-09-16 15:05:52 +02:00
parent f32e1c7951
commit 3c3bb32431
3 changed files with 35 additions and 1 deletions
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1
libc/Makefile
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@ -199,6 +199,7 @@ wchar/wcstol.o \
wchar/wcstoull.o \
wchar/wcstoul.o \
wchar/wcsxfrm.o \
wchar/wmemchr.o \
wchar/wmemcmp.o \
wctype/wctype.o \

2
libc/include/wchar.h
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@ -87,6 +87,7 @@ 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);
wchar_t* wmemchr(const wchar_t*, wchar_t, size_t);
int wmemcmp(const wchar_t*, const wchar_t*, size_t);
/* TODO: These are not implemented in sortix libc yet. */
@ -115,7 +116,6 @@ 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);
wchar_t* fgetws(wchar_t* __restrict, int, FILE* __restrict);
wchar_t* wmemchr(const wchar_t*, wchar_t, size_t);
wchar_t* wmemcpy(wchar_t* __restrict, const wchar_t* __restrict, size_t);
wchar_t* wmemmove(wchar_t*, const wchar_t*, size_t);
wchar_t* wmemset(wchar_t*, wchar_t, size_t);

33
libc/wchar/wmemchr.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/wmemchr.cpp
Scans memory for a wide character.
*******************************************************************************/
#include <wchar.h>
extern "C" wchar_t* wmemchr(const wchar_t* s, wchar_t c, size_t n)
{
for ( size_t i = 0; i < n; i++ )
if ( s[i] == c )
return (wchar_t*) s + i;
return NULL;
}