1  /* -*- mode: C; c-file-style: "gnu" -*- */
       2  /* xdgmimeint.h: Internal defines and functions.
       3   *
       4   * More info can be found at http://www.freedesktop.org/standards/
       5   *
       6   * Copyright (C) 2003  Red Hat, Inc.
       7   * Copyright (C) 2003  Jonathan Blandford <jrb@alum.mit.edu>
       8   *
       9   * SPDX-License-Identifier: LGPL-2.1-or-later or AFL-2.0
      10   */
      11  
      12  #ifndef __XDG_MIME_INT_H__
      13  #define __XDG_MIME_INT_H__
      14  
      15  #include "xdgmime.h"
      16  
      17  
      18  #ifndef	FALSE
      19  #define	FALSE (0)
      20  #endif
      21  
      22  #ifndef	TRUE
      23  #define	TRUE (!FALSE)
      24  #endif
      25  
      26  /* FIXME: Needs to be configure check */
      27  typedef unsigned int   xdg_unichar_t;
      28  typedef unsigned char  xdg_uchar8_t;
      29  typedef unsigned short xdg_uint16_t;
      30  typedef unsigned int   xdg_uint32_t;
      31  
      32  #ifdef XDG_PREFIX
      33  #define _xdg_utf8_skip       XDG_RESERVED_ENTRY(utf8_skip)
      34  #define _xdg_utf8_to_ucs4    XDG_RESERVED_ENTRY(utf8_to_ucs4)
      35  #define _xdg_ucs4_to_lower   XDG_RESERVED_ENTRY(ucs4_to_lower)
      36  #define _xdg_utf8_validate   XDG_RESERVED_ENTRY(utf8_validate)
      37  #define _xdg_get_base_name   XDG_RESERVED_ENTRY(get_base_name)
      38  #define _xdg_convert_to_ucs4 XDG_RESERVED_ENTRY(convert_to_ucs4)
      39  #define _xdg_reverse_ucs4    XDG_RESERVED_ENTRY(reverse_ucs4)
      40  #endif
      41  
      42  #define SWAP_BE16_TO_LE16(val) (xdg_uint16_t)(((xdg_uint16_t)(val) << 8)|((xdg_uint16_t)(val) >> 8))
      43  
      44  #define SWAP_BE32_TO_LE32(val) (xdg_uint32_t)((((xdg_uint32_t)(val) & 0xFF000000U) >> 24) |	\
      45  					      (((xdg_uint32_t)(val) & 0x00FF0000U) >> 8) |	\
      46  					      (((xdg_uint32_t)(val) & 0x0000FF00U) << 8) |	\
      47  					      (((xdg_uint32_t)(val) & 0x000000FFU) << 24))
      48  /* UTF-8 utils
      49   */
      50  extern const char *const _xdg_utf8_skip;
      51  #define _xdg_utf8_next_char(p) (char *)((p) + _xdg_utf8_skip[*(unsigned char *)(p)])
      52  #define _xdg_utf8_char_size(p) (int) (_xdg_utf8_skip[*(unsigned char *)(p)])
      53  
      54  xdg_unichar_t  _xdg_utf8_to_ucs4  (const char    *source);
      55  xdg_unichar_t  _xdg_ucs4_to_lower (xdg_unichar_t  source);
      56  int            _xdg_utf8_validate (const char    *source);
      57  xdg_unichar_t *_xdg_convert_to_ucs4 (const char *source, int *len);
      58  void           _xdg_reverse_ucs4 (xdg_unichar_t *source, int len);
      59  const char    *_xdg_get_base_name (const char    *file_name);
      60  const char    *_xdg_binary_or_text_fallback(const void *data, size_t len);
      61  
      62  #endif /* __XDG_MIME_INT_H__ */