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Annotation of embedaddon/libiconv/srclib/uniwidth.h, revision 1.1.1.1

1.1       misho       1: /* Display width functions.
                      2:    Copyright (C) 2001-2002, 2005, 2007 Free Software Foundation, Inc.
                      3: 
                      4:    This program is free software: you can redistribute it and/or modify it
                      5:    under the terms of the GNU General Public License as published
                      6:    by the Free Software Foundation; either version 3 of the License, or
                      7:    (at your option) any later version.
                      8: 
                      9:    This program is distributed in the hope that it will be useful,
                     10:    but WITHOUT ANY WARRANTY; without even the implied warranty of
                     11:    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
                     12:    Lesser General Public License for more details.
                     13: 
                     14:    You should have received a copy of the GNU General Public License
                     15:    along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
                     16: 
                     17: #ifndef _UNIWIDTH_H
                     18: #define _UNIWIDTH_H
                     19: 
                     20: #include "unitypes.h"
                     21: 
                     22: /* Get size_t.  */
                     23: #include <stddef.h>
                     24: 
                     25: /* Get locale_charset() declaration.  */
                     26: #include "localcharset.h"
                     27: 
                     28: #ifdef __cplusplus
                     29: extern "C" {
                     30: #endif
                     31: 
                     32: 
                     33: /* Display width.  */
                     34: 
                     35: /* These functions are locale dependent.  The encoding argument identifies
                     36:    the encoding (e.g. "ISO-8859-2" for Polish).  */
                     37: 
                     38: /* Determine number of column positions required for UC.  */
                     39: extern int
                     40:        uc_width (ucs4_t uc, const char *encoding);
                     41: 
                     42: /* Determine number of column positions required for first N units
                     43:    (or fewer if S ends before this) in S.  */
                     44: extern int
                     45:        u8_width (const uint8_t *s, size_t n, const char *encoding);
                     46: extern int
                     47:        u16_width (const uint16_t *s, size_t n, const char *encoding);
                     48: extern int
                     49:        u32_width (const uint32_t *s, size_t n, const char *encoding);
                     50: 
                     51: /* Determine number of column positions required for S.  */
                     52: extern int
                     53:        u8_strwidth (const uint8_t *s, const char *encoding);
                     54: extern int
                     55:        u16_strwidth (const uint16_t *s, const char *encoding);
                     56: extern int
                     57:        u32_strwidth (const uint32_t *s, const char *encoding);
                     58: 
                     59: 
                     60: #ifdef __cplusplus
                     61: }
                     62: #endif
                     63: 
                     64: #endif /* _UNIWIDTH_H */