Add wcstombs(3).
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3 changed files with 41 additions and 2 deletions
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@ -145,6 +145,7 @@ wcsrchr.o \
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wcsrtombs.o \
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wcsrtombs.o \
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wcsspn.o \
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wcsspn.o \
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wcstok.o \
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wcstok.o \
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wcstombs.o \
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wctomb.o \
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wctomb.o \
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wctype.o \
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wctype.o \
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@ -1,6 +1,6 @@
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/*******************************************************************************
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/*******************************************************************************
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Copyright(C) Jonas 'Sortie' Termansen 2011, 2012.
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Copyright(C) Jonas 'Sortie' Termansen 2011, 2012, 2013.
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This file is part of the Sortix C Library.
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This file is part of the Sortix C Library.
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@ -100,6 +100,7 @@ unsigned long long strtoull(const char* restrict, char** restrict, int);
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long long strtoll(const char* restrict, char** restrict, int);
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long long strtoll(const char* restrict, char** restrict, int);
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int system(const char*);
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int system(const char*);
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int unsetenv(const char*);
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int unsetenv(const char*);
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size_t wcstombs(char* restrict, const wchar_t *restrict, size_t);
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int wctomb(char*, wchar_t);
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int wctomb(char*, wchar_t);
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#if defined(_SORTIX_SOURCE) || defined(_WANT_SORTIX_ENV)
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#if defined(_SORTIX_SOURCE) || defined(_WANT_SORTIX_ENV)
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@ -149,7 +150,6 @@ double strtod(const char* restrict, char** restrict);
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float strtof(const char* restrict, char** restrict);
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float strtof(const char* restrict, char** restrict);
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long double strtold(const char* restrict, char** restrict);
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long double strtold(const char* restrict, char** restrict);
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int unlockpt(int);
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int unlockpt(int);
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size_t wcstombs(char* restrict, const wchar_t *restrict, size_t);
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#if __POSIX_OBSOLETE <= 200801
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#if __POSIX_OBSOLETE <= 200801
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int rand_r(unsigned *);
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int rand_r(unsigned *);
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38
libc/wcstombs.cpp
Normal file
38
libc/wcstombs.cpp
Normal file
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@ -0,0 +1,38 @@
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/*******************************************************************************
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Copyright(C) Jonas 'Sortie' Termansen 2013.
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This file is part of the Sortix C Library.
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The Sortix C Library is free software: you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation, either version 3 of the License, or (at your
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option) any later version.
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The Sortix C Library is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
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License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with the Sortix C Library. If not, see <http://www.gnu.org/licenses/>.
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wcstombs.cpp
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Convert a wide-character string to multibyte string.
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*******************************************************************************/
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#include <stdlib.h>
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#include <wchar.h>
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extern "C" size_t wcstombs(char* dst, const wchar_t* src, size_t n)
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{
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// Reset the secret conversion state variable in wcsrtombs that is used when
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// ps is NULL by successfully converting the empty string. As always, this
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// is not multithread secure. For some reason, the standards don't mandate
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// that the conversion state is reset when wcsrtombs is called with ps=NULL,
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// which arguably is a feature - but this function is supposed to do it.
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const wchar_t* empty_string = L"";
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wcsrtombs(NULL, &empty_string, 0, NULL);
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return wcsrtombs(dst, &src, n, NULL);
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}
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