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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-15 19:44:05 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-15 19:44:05 +0000 |
commit | d318611dd6f23fcfedd50e9b9e24620b102ba96a (patch) | |
tree | 8b9eef82ca40fdd5a8deeabf07572074c236095d /lib/uniwidth.in.h | |
parent | Initial commit. (diff) | |
download | groff-f22bf21391d2b916c7303c565592ae6e99efbb58.tar.xz groff-f22bf21391d2b916c7303c565592ae6e99efbb58.zip |
Adding upstream version 1.23.0.upstream/1.23.0upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'lib/uniwidth.in.h')
-rw-r--r-- | lib/uniwidth.in.h | 72 |
1 files changed, 72 insertions, 0 deletions
diff --git a/lib/uniwidth.in.h b/lib/uniwidth.in.h new file mode 100644 index 0000000..66829e4 --- /dev/null +++ b/lib/uniwidth.in.h @@ -0,0 +1,72 @@ +/* Display width functions. + Copyright (C) 2001-2002, 2005, 2007, 2009-2023 Free Software Foundation, + Inc. + + This file 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 2.1 of the + License, or (at your option) any later version. + + This file 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 <https://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 */ |