1 /* -*- mode: C; c-file-style: "gnu" -*- */
2 /* xdgmimeint.h: Internal defines and functions.
4 * More info can be found at http://www.freedesktop.org/standards/
6 * Copyright (C) 2003 Red Hat, Inc.
7 * Copyright (C) 2003 Jonathan Blandford <jrb@alum.mit.edu>
9 * SPDX-License-Identifier: LGPL-2.1-or-later or AFL-2.0
12 #ifndef __XDG_MIME_INT_H__
13 #define __XDG_MIME_INT_H__
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;
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)
42 #define SWAP_BE16_TO_LE16(val) (xdg_uint16_t)(((xdg_uint16_t)(val) << 8)|((xdg_uint16_t)(val) >> 8))
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))
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)])
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);
62 #endif /* __XDG_MIME_INT_H__ */