tsiry-sandratraina.com
A modern Music Player Daemon based on Rockbox open source high quality audio player
libadwaita
audio
rust
zig
deno
mpris
rockbox
mpd
1/* Emacs style mode select -*- C++ -*-
2 *-----------------------------------------------------------------------------
3 *
4 *
5 * PrBoom a Doom port merged with LxDoom and LSDLDoom
6 * based on BOOM, a modified and improved DOOM engine
7 * Copyright (C) 1999 by
8 * id Software, Chi Hoang, Lee Killough, Jim Flynn, Rand Phares, Ty Halderman
9 * Copyright (C) 1999-2000 by
10 * Jess Haas, Nicolas Kalkhof, Colin Phipps, Florian Schulze
11 *
12 * This program is free software; you can redistribute it and/or
13 * modify it under the terms of the GNU General Public License
14 * as published by the Free Software Foundation; either version 2
15 * of the License, or (at your option) any later version.
16 *
17 * This program is distributed in the hope that it will be useful,
18 * but WITHOUT ANY WARRANTY; without even the implied warranty of
19 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
20 * GNU General Public License for more details.
21 *
22 * You should have received a copy of the GNU General Public License
23 * along with this program; if not, write to the Free Software
24 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
25 * 02111-1307, USA.
26 *
27 * DESCRIPTION:
28 * Endianess handling, swapping 16bit and 32bit.
29 *
30 *-----------------------------------------------------------------------------*/
31
32
33#ifndef __M_SWAP__
34#define __M_SWAP__
35
36#ifdef __GNUG__
37#pragma interface
38#endif
39
40#include "plugin.h"
41
42/* Endianess handling. */
43
44/* cph - First the macros to do the actual byte swapping */
45
46/* leban
47 * rather than continue the confusing tradition of redefining the
48 * stardard macro, we now present the doom_ntoh and doom_hton macros....
49 * might as well use the xdoom macros.
50 */
51
52#ifndef doom_swap_l
53#define doom_swap_l(x) \
54 ((long int)((((unsigned long int)(x) & 0x000000ffU) << 24) | \
55 (((unsigned long int)(x) & 0x0000ff00U) << 8) | \
56 (((unsigned long int)(x) & 0x00ff0000U) >> 8) | \
57 (((unsigned long int)(x) & 0xff000000U) >> 24)))
58#endif
59
60#ifndef doom_swap_s
61#define doom_swap_s(x) \
62 ((short int)((((unsigned short int)(x) & 0x00ff) << 8) | \
63 (((unsigned short int)(x) & 0xff00) >> 8)))
64#endif
65
66/* Macros are named doom_XtoYT, where
67 * X is thing to convert from, Y is thing to convert to, chosen from
68 * n for network, h for host (i.e our machine's), w for WAD (Doom data files)
69 * and T is the type, l or s for long or short
70 *
71 * CPhipps - all WADs and network packets will be little endian for now
72 * Use separate macros so network could be converted to big-endian later.
73 */
74
75#ifndef ROCKBOX_LITTLE_ENDIAN
76
77#define doom_wtohl(x) doom_swap_l(x)
78#define doom_htowl(x) doom_swap_l(x)
79#define doom_wtohs(x) doom_swap_s(x)
80#define doom_htows(x) doom_swap_s(x)
81
82#define doom_ntohl(x) doom_swap_l(x)
83#define doom_htonl(x) doom_swap_l(x)
84#define doom_ntohs(x) doom_swap_s(x)
85#define doom_htons(x) doom_swap_s(x)
86
87#else
88
89#define doom_wtohl(x) (long int)(x)
90#define doom_htowl(x) (long int)(x)
91#define doom_wtohs(x) (short int)(x)
92#define doom_htows(x) (short int)(x)
93
94#define doom_ntohl(x) (long int)(x)
95#define doom_htonl(x) (long int)(x)
96#define doom_ntohs(x) (short int)(x)
97#define doom_htons(x) (short int)(x)
98
99#endif
100
101/* CPhipps - Boom's old LONG and SHORT endianness macros are for WAD stuff */
102
103#define LONG(x) doom_wtohl(x)
104#define SHORT(x) doom_htows(x)
105
106#endif