-
Notifications
You must be signed in to change notification settings - Fork 140
/
portable-endian.h
377 lines (288 loc) · 9 KB
/
portable-endian.h
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
// "License": Public Domain
// I, Mathias Panzenbck, place this file hereby into the public domain. Use it at your own risk for whatever you like.
// In case there are jurisdictions that don't support putting things in the public domain you can also consider it to
// be "dual licensed" under the BSD, MIT and Apache licenses, if you want to. This code is trivial anyway. Consider it
// an example on how to get the endian conversion functions on different platforms.
#ifndef PORTABLE_ENDIAN_H__
#define PORTABLE_ENDIAN_H__
#if (defined(_WIN16) || defined(_WIN32) || defined(_WIN64)) && !defined(__WINDOWS__) && !defined(_XBOX)
#define __WINDOWS__
#endif
#if defined(__PS2__) || defined(PICO_PLATFORM)
#ifndef _LITTLE_ENDIAN
#define _LITTLE_ENDIAN LITTLE_ENDIAN
#endif
#if defined(_EE) || defined(PICO_PLATFORM)
#include <machine/endian.h>
#ifdef PICO_PLATFORM
#include "lwip/def.h"
#endif
#endif
#define be16toh(x) PP_NTOHS(x)
#define htobe16(x) PP_HTONS(x)
#define htole16(x) (x)
#define le16toh(x) (x)
#define be32toh(x) PP_NTOHL(x)
#define htobe32(x) PP_HTONL(x)
#define htole32(x) (x)
#define le32toh(x) (x)
#define htobe64(x) be64toh(x)
#define htole64(x) (x)
#define le64toh(x) (x)
#elif defined(__DREAMCAST__)
#include <machine/endian.h>
#define be16toh(x) __builtin_bswap16(x)
#define htobe16(x) __builtin_bswap16(x)
#define htole16(x) (x)
#define le16toh(x) (x)
#define be32toh(x) __builtin_bswap32(x)
#define htobe32(x) __builtin_bswap32(x)
#define htole32(x) (x)
#define le32toh(x) (x)
#define be64toh(x) __builtin_bswap64(x)
#define htobe64(x) __builtin_bswap64(x)
#define htole64(x) (x)
#define le64toh(x) (x)
#elif defined(__linux__) || defined(__CYGWIN__) || defined(ESP_PLATFORM) || defined(__NetBSD__) || defined(__FreeBSD__) || defined(__DragonFly__) || defined(__OpenBSD__)
#if defined(__linux__) || defined(__CYGWIN__) || defined(PS4_PLATFORM) || defined(ESP_PLATFORM)
#include <endian.h>
/* Include byteswap.h on linux since it might not be automatically included in some cases (e.g. alpine / musl) */
#if defined(__linux__)
#include <byteswap.h>
#endif
#else
#include <sys/endian.h>
#endif
/* These 4 #defines may be needed with older esp-idf environments */
#ifndef _LITTLE_ENDIAN
#define _LITTLE_ENDIAN LITTLE_ENDIAN
#endif
#ifndef __bswap16
#define __bswap16 __bswap_16
#endif
#ifndef __bswap32
#define __bswap32 __bswap_32
#endif
#ifndef __bswap64
#define __bswap64 __bswap_64
#endif
#ifndef be16toh
#define be16toh(x) betoh16(x)
#endif
#ifndef le16toh
#define le16toh(x) letoh16(x)
#endif
#ifndef be32toh
#define be32toh(x) betoh32(x)
#endif
#ifndef le32toh
#define le32toh(x) letoh32(x)
#endif
#ifndef be64toh
#define be64toh(x) betoh64(x)
#endif
#ifndef le64toh
#define le64toh(x) letoh64(x)
#endif
#elif defined(__APPLE__)
#include <libkern/OSByteOrder.h>
#define htobe16(x) OSSwapHostToBigInt16(x)
#define htole16(x) OSSwapHostToLittleInt16(x)
#define be16toh(x) OSSwapBigToHostInt16(x)
#define le16toh(x) OSSwapLittleToHostInt16(x)
#define htobe32(x) OSSwapHostToBigInt32(x)
#define htole32(x) OSSwapHostToLittleInt32(x)
#define be32toh(x) OSSwapBigToHostInt32(x)
#define le32toh(x) OSSwapLittleToHostInt32(x)
#define htobe64(x) OSSwapHostToBigInt64(x)
#define htole64(x) OSSwapHostToLittleInt64(x)
#define be64toh(x) OSSwapBigToHostInt64(x)
#define le64toh(x) OSSwapLittleToHostInt64(x)
#define __BYTE_ORDER BYTE_ORDER
#define __BIG_ENDIAN BIG_ENDIAN
#define __LITTLE_ENDIAN LITTLE_ENDIAN
#define __PDP_ENDIAN PDP_ENDIAN
#elif defined(PS3_PPU_PLATFORM)
#define htobe16(x) (x)
#define htole16(x) __builtin_bswap16(x)
#define be16toh(x) (x)
#define le16toh(x) __builtin_bswap16(x)
#define htobe32(x) (x)
#define htole32(x) __builtin_bswap32(x)
#define be32toh(x) (x)
#define le32toh(x) __builtin_bswap32(x)
#define htobe64(x) (x)
#define htole64(x) __builtin_bswap64(x)
#define be64toh(x) (x)
#define le64toh(x) __builtin_bswap64(x)
#elif defined(__SWITCH__) || defined(__N3DS__) || defined(__WII__) || defined(__GC__) || defined(__WIIU__) || defined(__NDS__)
#include <machine/endian.h>
#define htobe16(x) __bswap16(x)
#define htole16(x) (x)
#define be16toh(x) __bswap16(x)
#define le16toh(x) (x)
#define htobe32(x) __bswap32(x)
#define htole32(x) (x)
#define be32toh(x) __bswap32(x)
#define le32toh(x) (x)
#define htobe64(x) __bswap64(x)
#define htole64(x) (x)
#define be64toh(x) __bswap64(x)
#define le64toh(x) (x)
#elif defined(__WINDOWS__) || defined(_XBOX)
#ifdef _XBOX
#include <xtl.h>
#else
#include <windows.h>
#endif
#if defined(_MSC_VER)
#include <stdlib.h>
#define htobe16(x) _byteswap_ushort(x)
#define htole16(x) (x)
#define be16toh(x) _byteswap_ushort(x)
#define le16toh(x) (x)
#define htobe32(x) _byteswap_ulong(x)
#define htole32(x) (x)
#define be32toh(x) _byteswap_ulong(x)
#define le32toh(x) (x)
#define htobe64(x) _byteswap_uint64(x)
#define htole64(x) (x)
#define be64toh(x) _byteswap_uint64(x)
#define le64toh(x) (x)
#ifndef __BYTE_ORDER
#define __BYTE_ORDER BYTE_ORDER
#endif
#ifndef __BIG_ENDIAN
#define __BIG_ENDIAN BIG_ENDIAN
#endif
#ifndef __LITTLE_ENDIAN
#define __LITTLE_ENDIAN LITTLE_ENDIAN
#endif
#ifndef __PDP_ENDIAN
#define __PDP_ENDIAN PDP_ENDIAN
#endif
#elif defined(__GNUC__) || defined(__clang__)
#define htobe16(x) __builtin_bswap16(x)
#define htole16(x) (x)
#define be16toh(x) __builtin_bswap16(x)
#define le16toh(x) (x)
#define htobe32(x) __builtin_bswap32(x)
#define htole32(x) (x)
#define be32toh(x) __builtin_bswap32(x)
#define le32toh(x) (x)
#define htobe64(x) __builtin_bswap64(x)
#define htole64(x) (x)
#define be64toh(x) __builtin_bswap64(x)
#define le64toh(x) (x)
#else
#error platform not supported
#endif
#elif defined(__amigaos4__) || defined(__AMIGA__)
#if defined(__NEWLIB__)
#include <machine/endian.h>
#ifndef __bswap16
#define __bswap16(x) __builtin_bswap16(x)
#endif
#ifndef __bswap32
#define __bswap32(x) __builtin_bswap32(x)
#endif
#ifndef __bswap64
#define __bswap64(x) __builtin_bswap64(x)
#endif
#define htobe16(x) (x)
#define htole16(x) __bswap16(x)
#define be16toh(x) (x)
#define le16toh(x) __bswap16(x)
#define htobe32(x) (x)
#define htole32(x) __bswap32(x)
#define be32toh(x) (x)
#define le32toh(x) __bswap32(x)
#define htobe64(x) (x)
#define htole64(x) __bswap64(x)
#define be64toh(x) (x)
#define le64toh(x) __bswap64(x)
#elif defined(__GNUC__)
#define htobe16(x) (x)
#define htole16(x) __builtin_bswap16(x)
#define be16toh(x) (x)
#define le16toh(x) __builtin_bswap16(x)
#define htobe32(x) (x)
#define htole32(x) __builtin_bswap32(x)
#define be32toh(x) (x)
#define le32toh(x) __builtin_bswap32(x)
#define htobe64(x) (x)
#define htole64(x) __builtin_bswap64(x)
#define be64toh(x) (x)
#define le64toh(x) __builtin_bswap64(x)
#else
#error platform not supported
#endif
#elif defined(__AROS__)
#include <endian.h>
#if defined(__GNUC__) && (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR >= 8))
#define __bswap16(x) __builtin_bswap16(x)
#define __bswap32(x) __builtin_bswap32(x)
#define __bswap64(x) __builtin_bswap64(x)
#else
#define __bswap16(x) ((((uint16_t)(x) & 0xFF00) >> 8) | \
(((uint16_t)(x) & 0x00FF) << 8))
#define __bswap32(x) ((((uint32_t)(x) & 0xFF000000) >> 24) | \
(((uint32_t)(x) & 0x00FF0000) >> 8) | \
(((uint32_t)(x) & 0x0000FF00) << 8) | \
(((uint32_t)(x) & 0x000000FF) << 24))
#define __bswap64(x) ((((uint64_t)(x) & 0xFF00000000000000) >> 56) | \
(((uint64_t)(x) & 0x00FF000000000000) >> 40) | \
(((uint64_t)(x) & 0x0000FF0000000000) >> 24) | \
(((uint64_t)(x) & 0x000000FF00000000) >> 8) | \
(((uint64_t)(x) & 0x00000000FF000000) << 8) | \
(((uint64_t)(x) & 0x0000000000FF0000) << 24) | \
(((uint64_t)(x) & 0x000000000000FF00) << 40) | \
(((uint64_t)(x) & 0x00000000000000FF) << 56))
#endif
#if _BYTE_ORDER == _LITTLE_ENDIAN
#define htobe16(x) __bswap16(x)
#define htole16(x) (x)
#define be16toh(x) __bswap16(x)
#define le16toh(x) (x)
#define htobe32(x) __bswap32(x)
#define htole32(x) (x)
#define be32toh(x) __bswap32(x)
#define le32toh(x) (x)
#define htobe64(x) __bswap64(x)
#define htole64(x) (x)
#define be64toh(x) __bswap64(x)
#define le64toh(x) (x)
#else
#define htobe16(x) (x)
#define htole16(x) __bswap16(x)
#define be16toh(x) (x)
#define le16toh(x) __bswap16(x)
#define htobe32(x) (x)
#define htole32(x) __bswap32(x)
#define be32toh(x) (x)
#define le32toh(x) __bswap32(x)
#define htobe64(x) (x)
#define htole64(x) __bswap64(x)
#define be64toh(x) (x)
#define le64toh(x) __bswap64(x)
#endif
#elif defined(__GNUC__) || defined(__clang__)
#ifdef __vita__
#include <machine/endian.h>
#endif
#define htobe16(x) __builtin_bswap16(x)
#define htole16(x) (x)
#define be16toh(x) __builtin_bswap16(x)
#define le16toh(x) (x)
#define htobe32(x) __builtin_bswap32(x)
#define htole32(x) (x)
#define be32toh(x) __builtin_bswap32(x)
#define le32toh(x) (x)
#define htobe64(x) __builtin_bswap64(x)
#define htole64(x) (x)
#define be64toh(x) __builtin_bswap64(x)
#define le64toh(x) (x)
#else
#error platform not supported
#endif
#endif