glibc/wcsmbs/wcswidth.c
Roland McGrath 93a470c71a Tue May 7 10:51:52 1996 Roland McGrath <roland@delasyd.gnu.ai.mit.edu>
* wcsmbs/wcwidth.c, wcsmbs/wcswidth.c: Fixed typos.

	* sysdeps/unix/sysv/linux/sys/mman.h: Fixed typo.

	* sysdeps/stub/sched_getp.c: Add missing #include <sys/types.h>.
	* sysdeps/stub/sched_sets.c: Likewise.
	* sysdeps/stub/sched_setp.c: Likewise.
	* sysdeps/stub/sched_rr_gi.c: Likewise.
	* sysdeps/stub/sched_gets.c: Likewise.

	* hurd/hurdsig.c: Use struct hurd_signal_detail.
	* hurd/hurd/fd.h (_hurd_fd_error): Likewise.
	* sysdeps/mach/hurd/sysd-stdio.c (fd_fail): Likewise.
1996-05-07 14:57:38 +00:00

40 lines
1.2 KiB
C

/* Copyright (C) 1996 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@gnu.ai.mit.edu>, 1996.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public License as
published by the Free Software Foundation; either version 2 of the
License, or (at your option) any later version.
The GNU 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with the GNU C Library; see the file COPYING.LIB. If
not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
#include "wcwidth.h"
/* Determine number of column positions required for first N wide
characters (or fewer if S ends before this) in S. */
int
wcswidth (const wchar_t *s, size_t n)
{
int result = 0;
while (n > 0 && *s != L'\0')
{
int now = internal_wcwidth (*s);
if (now == -1)
return -1;
result += now;
++s;
}
return result;
}