freebsd-dev/lib/libc/locale/frune.c
Tim J. Robbins cf651e6b5c Implement fgetrune(), fungetrune() and fputrune() as wrappers around
fgetwc(), ungetwc() and fputwc().
2003-10-31 10:55:19 +00:00

84 lines
2.9 KiB
C

/*-
* Copyright (c) 2003 Tim J. Robbins. All rights reserved.
* Copyright (c) 1993
* The Regents of the University of California. All rights reserved.
*
* This code is derived from software contributed to Berkeley by
* Paul Borman at Krystal Technologies.
*
* 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.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS 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.
*/
/* f*rune() are obsolete in FreeBSD 6 -- use ANSI functions instead. */
#define OBSOLETE_IN_6
#if defined(LIBC_SCCS) && !defined(lint)
static char sccsid[] = "@(#)frune.c 8.1 (Berkeley) 6/4/93";
#endif /* LIBC_SCCS and not lint */
#include <sys/param.h>
__FBSDID("$FreeBSD$");
#include <limits.h>
#include <rune.h>
#include <stddef.h>
#include <stdio.h>
#include <wchar.h>
__warn_references(fgetrune, "warning: fgetrune() is deprecated. See fgetrune(3).");
long
fgetrune(fp)
FILE *fp;
{
wint_t ch;
if ((ch = fgetwc(fp)) == WEOF)
return (feof(fp) ? EOF : _INVALID_RUNE);
return ((long)ch);
}
__warn_references(fungetrune, "warning: fungetrune() is deprecated. See fungetrune(3).");
int
fungetrune(r, fp)
rune_t r;
FILE* fp;
{
return (ungetwc((wint_t)r, fp) == WEOF ? EOF : 0);
}
__warn_references(fputrune, "warning: fputrune() is deprecated. See fputrune(3).");
int
fputrune(r, fp)
rune_t r;
FILE *fp;
{
return (fputwc((wchar_t)r, fp) == WEOF ? EOF : 0);
}