kc3-lang/gnulib/lib/uniwidth.in.h

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• Hash : 7b089321
  Author :
  Date : 2025-01-01T09:24:36
  

  maint: run 'make update-copyright'
  

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• lib/uniwidth.in.h

• /* Display width functions.
     Copyright (C) 2001-2002, 2005, 2007, 2009-2025 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 */
  

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