+
−/* Display width functions.
+
−   Copyright (C) 2001-2002, 2005, 2007, 2009-2013 Free Software Foundation,
+
−   Inc.
+
−
+
−   This program is free software: you can redistribute it and/or modify it
+
−   under the terms of the GNU Lesser General Public License as published
+
−   by the Free Software Foundation; either version 3 of the License, or
+
−   (at your option) any later version.
+
−
+
−   This program 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
+
−   Lesser General Public License for more details.
+
−
+
−   You should have received a copy of the GNU Lesser General Public License
+
−   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
+
−
+
−#ifndef _UNIWIDTH_H
+
−#define _UNIWIDTH_H
+
−
+
−#include "unitypes.h"
+
−
+
−/* Get size_t.  */
+
−#include <stddef.h>
+
−
+
−/* Get locale_charset() declaration.  */
+
−#include "localcharset.h"
+
−
+
−#ifdef __cplusplus
+
−extern "C" {
+
−#endif
+
−
+
−
+
−/* Display width.  */
+
−
+
−/* These functions are locale dependent.  The encoding argument identifies
+
−   the encoding (e.g. "ISO-8859-2" for Polish).  */
+
−
+
−/* Determine number of column positions required for UC.  */
+
−extern int
+
−       uc_width (ucs4_t uc, const char *encoding)
+
−       _UC_ATTRIBUTE_PURE;
+
−
+
−/* Determine number of column positions required for first N units
+
−   (or fewer if S ends before this) in S.  */
+
−extern int
+
−       u8_width (const uint8_t *s, size_t n, const char *encoding)
+
−       _UC_ATTRIBUTE_PURE;
+
−extern int
+
−       u16_width (const uint16_t *s, size_t n, const char *encoding)
+
−       _UC_ATTRIBUTE_PURE;
+
−extern int
+
−       u32_width (const uint32_t *s, size_t n, const char *encoding)
+
−       _UC_ATTRIBUTE_PURE;
+
−
+
−/* Determine number of column positions required for S.  */
+
−extern int
+
−       u8_strwidth (const uint8_t *s, const char *encoding)
+
−       _UC_ATTRIBUTE_PURE;
+
−extern int
+
−       u16_strwidth (const uint16_t *s, const char *encoding)
+
−       _UC_ATTRIBUTE_PURE;
+
−extern int
+
−       u32_strwidth (const uint32_t *s, const char *encoding)
+
−       _UC_ATTRIBUTE_PURE;
+
−
+
−
+
−#ifdef __cplusplus
+
−}
+
−#endif
+
−
+
−#endif /* _UNIWIDTH_H */