nortti
/
sortix-mirror
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

Add mbstowcs(3).

This commit is contained in:
Jonas 'Sortie' Termansen 2013-03-24 01:27:48 +01:00
parent 9c336562a7
commit 9e242e9cd7
3 changed files with 40 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
libc/Makefile
View File

@ -80,6 +80,7 @@ localtime.o \
localtime_r.o \
mbrtowc.o \
mbsrtowcs.o \
mbstowcs.o \
mbtowc.o \
memccpy.o \
memchr.o \

2
libc/include/stdlib.h
View File

@ -81,6 +81,7 @@ ldiv_t ldiv(long, long);
long long llabs(long long);
lldiv_t lldiv(long long, long long);
void* malloc(size_t);
size_t mbstowcs(wchar_t* restrict, const char* restrict, size_t);
int mbtowc(wchar_t *restrict, const char* restrict, size_t);
#if !defined(_SORTIX_SOURCE)
char* mktemp(char* templ);
@ -131,7 +132,6 @@ char* l64a(long);
void lcong48(unsigned short [7]);
long lrand48(void);
int mblen(const char*, size_t);
size_t mbstowcs(wchar_t *restrict, const char* restrict, size_t);
char* mkdtemp(char*);
int mkstemp(char*);
long mrand48(void);

38
libc/mbstowcs.cpp Normal file
View File

@ -0,0 +1,38 @@
/*******************************************************************************
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/>.
mbstowcs.cpp
Convert a multibyte string to a wide-character string.
*******************************************************************************/
#include <stdlib.h>
#include <wchar.h>
extern "C" size_t mbstowcs(wchar_t* dst, const char* src, size_t n)
{
// Reset the secret conversion state variable in mbsrtowcs that is used when
// ps is NULL by successfully converting the empty string. As always, this
// is not multithread secure. For some reason, the standards don't mandate
// that the conversion state is reset when mbsrtowcs is called with ps=NULL,
// which arguably is a feature - but this function is supposed to do it.
const char* empty_string = "";
mbsrtowcs(NULL, &empty_string, 0, NULL);
return mbsrtowcs(dst, &src, n, NULL);
}