diff options
Diffstat (limited to 'lib/libc/stdio/fgetws.c')
-rw-r--r-- | lib/libc/stdio/fgetws.c | 100 |
1 files changed, 0 insertions, 100 deletions
diff --git a/lib/libc/stdio/fgetws.c b/lib/libc/stdio/fgetws.c deleted file mode 100644 index 550843d..0000000 --- a/lib/libc/stdio/fgetws.c +++ /dev/null @@ -1,100 +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. - */ - -#include <sys/cdefs.h> -__FBSDID("$FreeBSD$"); - -#include "namespace.h" -#include <errno.h> -#include <stdio.h> -#include <string.h> -#include <wchar.h> -#include "un-namespace.h" -#include "libc_private.h" -#include "local.h" -#include "mblocal.h" - -wchar_t * -fgetws(wchar_t * __restrict ws, int n, FILE * __restrict 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(fp)) - /* EOF */ - goto error; - wsp = ws; - do { - src = fp->_p; - nl = memchr(fp->_p, '\n', fp->_r); - nconv = __mbsnrtowcs(wsp, &src, - nl != NULL ? (nl - fp->_p + 1) : fp->_r, - n - 1, &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(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); -} |