src/xdgmimeint.h

   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__ */