From 28ef1abc10cfbc2c3d2747c008eb2300858d0426 Mon Sep 17 00:00:00 2001 From: Lorry Tar Creator Date: Fri, 22 Apr 2016 04:38:07 +0000 Subject: grep-2.25 --- lib/uniwidth.in.h | 72 +++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 72 insertions(+) create mode 100644 lib/uniwidth.in.h (limited to 'lib/uniwidth.in.h') diff --git a/lib/uniwidth.in.h b/lib/uniwidth.in.h new file mode 100644 index 0000000..0ab6d25 --- /dev/null +++ b/lib/uniwidth.in.h @@ -0,0 +1,72 @@ +/* Display width functions. + Copyright (C) 2001-2002, 2005, 2007, 2009-2016 Free Software Foundation, + Inc. + + This program is free software: you can redistribute it and/or modify it + under the terms of the GNU 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 + General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program. If not, see . */ + +#ifndef _UNIWIDTH_H +#define _UNIWIDTH_H + +#include "unitypes.h" + +/* Get size_t. */ +#include + +/* 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 */ -- cgit v1.2.1