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Diffstat (limited to 'newlib/libc/stdio/fgetws.c')
| -rw-r--r-- | newlib/libc/stdio/fgetws.c | 161 |
1 files changed, 0 insertions, 161 deletions
diff --git a/newlib/libc/stdio/fgetws.c b/newlib/libc/stdio/fgetws.c deleted file mode 100644 index 30e8ebbf2..000000000 --- a/newlib/libc/stdio/fgetws.c +++ /dev/null @@ -1,161 +0,0 @@ -/*- - * Copyright (c) 2002-2004 Tim J. Robbins. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - */ - -/* -FUNCTION -<<fgetws>>---get wide character string from a file or stream - -INDEX - fgetws -INDEX - _fgetws_r - -ANSI_SYNOPSIS - #include <wchar.h> - wchar_t *fgetws(wchar_t *<[ws]>, int <[n]>, FILE *<[fp]>); - - #include <wchar.h> - wchar_t *_fgetws_r(struct _reent *<[ptr]>, wchar_t *<[ws]>, int <[n]>, FILE *<[fp]>); - -TRAD_SYNOPSIS - #include <wchar.h> - wchar_t *fgetws(<[ws]>,<[n]>,<[fp]>) - wchar_t *<[ws]>; - int <[n]>; - FILE *<[fp]>; - - #include <wchar.h> - wchar_t *_fgetws_r(<[ptr]>, <[ws]>,<[n]>,<[fp]>) - struct _reent *<[ptr]>; - wchar_t *<[ws]>; - int <[n]>; - FILE *<[fp]>; - -DESCRIPTION -Reads at most <[n-1]> wide characters from <[fp]> until a newline -is found. The wide characters including to the newline are stored -in <[ws]>. The buffer is terminated with a 0. - -The <<_fgetws_r>> function is simply the reentrant version of -<<fgetws>> and is passed an additional reentrancy structure -pointer: <[ptr]>. - -RETURNS -<<fgetws>> returns the buffer passed to it, with the data -filled in. If end of file occurs with some data already -accumulated, the data is returned with no other indication. If -no data are read, NULL is returned instead. - -PORTABILITY -C99, POSIX.1-2001 -*/ - -#include <_ansi.h> -#include <reent.h> -#include <errno.h> -#include <stdio.h> -#include <string.h> -#include <wchar.h> -#include "local.h" - -wchar_t * -_DEFUN(_fgetws_r, (ptr, ws, n, fp), - struct _reent *ptr _AND - wchar_t * ws _AND - int n _AND - FILE * fp) -{ - wchar_t *wsp; - size_t nconv; - const char *src; - unsigned char *nl; - - _flockfile (fp); - ORIENT (fp, 1); - - if (n <= 0) - { - errno = EINVAL; - goto error; - } - - if (fp->_r <= 0 && __srefill_r (ptr, fp)) - /* EOF */ - goto error; - wsp = ws; - do - { - src = fp->_p; - nl = memchr (fp->_p, '\n', fp->_r); - nconv = _mbsrtowcs_r (ptr, wsp, &src, - nl != NULL ? (nl - fp->_p + 1) : fp->_r, - &fp->_mbstate); - if (nconv == (size_t) -1) - /* Conversion error */ - goto error; - if (src == NULL) - { - /* - * We hit a null byte. Increment the character count, - * since mbsnrtowcs()'s return value doesn't include - * the terminating null, then resume conversion - * after the null. - */ - nconv++; - src = memchr (fp->_p, '\0', fp->_r); - src++; - } - fp->_r -= (unsigned char *) src - fp->_p; - fp->_p = (unsigned char *) src; - n -= nconv; - wsp += nconv; - } - while (wsp[-1] != L'\n' && n > 1 && (fp->_r > 0 - || __srefill_r (ptr, fp) == 0)); - if (wsp == ws) - /* EOF */ - goto error; - if (!mbsinit (&fp->_mbstate)) - /* Incomplete character */ - goto error; - *wsp++ = L'\0'; - _funlockfile (fp); - return ws; - -error: - _funlockfile (fp); - return NULL; -} - -wchar_t * -_DEFUN(fgetws, (ws, n, fp), - wchar_t *ws _AND - int n _AND - FILE *fp) -{ - CHECK_INIT (_REENT, fp); - return _fgetws_r (_REENT, ws, n, fp); -} |