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72 lines
2.1 KiB
72 lines
2.1 KiB
/* Display width functions. |
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Copyright (C) 2001-2002, 2005, 2007, 2009-2017 Free Software Foundation, |
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Inc. |
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This program is free software: you can redistribute it and/or modify it |
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under the terms of the GNU General Public License as published |
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by the Free Software Foundation; either version 3 of the License, or |
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(at your option) any later version. |
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This program is distributed in the hope that it will be useful, |
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but WITHOUT ANY WARRANTY; without even the implied warranty of |
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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General Public License for more details. |
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You should have received a copy of the GNU General Public License |
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along with this program. If not, see <http://www.gnu.org/licenses/>. */ |
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#ifndef _UNIWIDTH_H |
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#define _UNIWIDTH_H |
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#include "unitypes.h" |
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/* Get size_t. */ |
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#include <stddef.h> |
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/* Get locale_charset() declaration. */ |
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#include "localcharset.h" |
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#ifdef __cplusplus |
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extern "C" { |
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#endif |
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/* Display width. */ |
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/* These functions are locale dependent. The encoding argument identifies |
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the encoding (e.g. "ISO-8859-2" for Polish). */ |
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/* Determine number of column positions required for UC. */ |
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extern int |
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uc_width (ucs4_t uc, const char *encoding) |
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_UC_ATTRIBUTE_PURE; |
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/* Determine number of column positions required for first N units |
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(or fewer if S ends before this) in S. */ |
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extern int |
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u8_width (const uint8_t *s, size_t n, const char *encoding) |
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_UC_ATTRIBUTE_PURE; |
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extern int |
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u16_width (const uint16_t *s, size_t n, const char *encoding) |
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_UC_ATTRIBUTE_PURE; |
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extern int |
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u32_width (const uint32_t *s, size_t n, const char *encoding) |
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_UC_ATTRIBUTE_PURE; |
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/* Determine number of column positions required for S. */ |
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extern int |
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u8_strwidth (const uint8_t *s, const char *encoding) |
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_UC_ATTRIBUTE_PURE; |
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extern int |
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u16_strwidth (const uint16_t *s, const char *encoding) |
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_UC_ATTRIBUTE_PURE; |
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extern int |
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u32_strwidth (const uint32_t *s, const char *encoding) |
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_UC_ATTRIBUTE_PURE; |
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#ifdef __cplusplus |
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} |
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#endif |
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#endif /* _UNIWIDTH_H */
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