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Source at commit 296 created 12 years 10 months ago.
By ifabio, add i386 folder
1/*␊
2 * Copyright (c) 1999-2008 Apple Computer, Inc. All rights reserved.␊
3 *␊
4 * @APPLE_LICENSE_HEADER_START@␊
5 * ␊
6 * This file contains Original Code and/or Modifications of Original Code␊
7 * as defined in and that are subject to the Apple Public Source License␊
8 * Version 2.0 (the 'License'). You may not use this file except in␊
9 * compliance with the License. Please obtain a copy of the License at␊
10 * http://www.opensource.apple.com/apsl/ and read it before using this␊
11 * file.␊
12 * ␊
13 * The Original Code and all software distributed under the License are␊
14 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER␊
15 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,␊
16 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,␊
17 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.␊
18 * Please see the License for the specific language governing rights and␊
19 * limitations under the License.␊
20 * ␊
21 * @APPLE_LICENSE_HEADER_END@␊
22 */␊
23/*␊
24 * Copyright (c) 1992 NeXT Computer, Inc.␊
25 *␊
26 * Byte ordering conversion.␊
27 *␊
28 */␊
29␊
30#ifndef␉_ARCHITECTURE_BYTE_ORDER_H_␊
31#define _ARCHITECTURE_BYTE_ORDER_H_␊
32␊
33/*␊
34 * Please note that the byte ordering functions in this file are deprecated.␊
35 * A replacement API exists in libkern/OSByteOrder.h␊
36 */␊
37␊
38#include <libkern/OSByteOrder.h>␊
39␊
40typedef unsigned long NXSwappedFloat;␊
41typedef unsigned long long NXSwappedDouble;␊
42␊
43static __inline__ __attribute__((deprecated))␊
44unsigned short ␊
45NXSwapShort(␊
46 unsigned short inv␊
47)␊
48{␊
49 return (unsigned short)OSSwapInt16((uint16_t)inv);␊
50}␊
51␊
52static __inline__ __attribute__((deprecated))␊
53unsigned int␊
54NXSwapInt(␊
55 unsigned int inv␊
56)␊
57{␊
58 return (unsigned int)OSSwapInt32((uint32_t)inv);␊
59}␊
60␊
61static __inline__ __attribute__((deprecated))␊
62unsigned long␊
63NXSwapLong(␊
64 unsigned long inv␊
65)␊
66{␊
67 return (unsigned long)OSSwapInt32((uint32_t)inv);␊
68}␊
69␊
70static __inline__ __attribute__((deprecated))␊
71unsigned long long␊
72NXSwapLongLong(␊
73 unsigned long long inv␊
74)␊
75{␊
76 return (unsigned long long)OSSwapInt64((uint64_t)inv);␊
77}␊
78␊
79static __inline__ __attribute__((deprecated))␊
80NXSwappedFloat␊
81NXConvertHostFloatToSwapped(float x)␊
82{␊
83 union fconv {␊
84 float number;␊
85 NXSwappedFloat sf;␊
86 } u;␊
87 u.number = x;␊
88 return u.sf;␊
89}␊
90␊
91static __inline__ __attribute__((deprecated))␊
92float␊
93NXConvertSwappedFloatToHost(NXSwappedFloat x)␊
94{␊
95 union fconv {␊
96 float number;␊
97 NXSwappedFloat sf;␊
98 } u;␊
99 u.sf = x;␊
100 return u.number;␊
101}␊
102␊
103static __inline__ __attribute__((deprecated))␊
104NXSwappedDouble␊
105NXConvertHostDoubleToSwapped(double x)␊
106{␊
107 union dconv {␊
108 double number;␊
109 NXSwappedDouble sd;␊
110 } u;␊
111 u.number = x;␊
112 return u.sd;␊
113}␊
114␊
115static __inline__ __attribute__((deprecated))␊
116double␊
117NXConvertSwappedDoubleToHost(NXSwappedDouble x)␊
118{␊
119 union dconv {␊
120 double number;␊
121 NXSwappedDouble sd;␊
122 } u;␊
123 u.sd = x;␊
124 return u.number;␊
125}␊
126␊
127static __inline__ __attribute__((deprecated))␊
128NXSwappedFloat␊
129NXSwapFloat(NXSwappedFloat x)␊
130{ ␊
131 return (NXSwappedFloat)OSSwapInt32((uint32_t)x); ␊
132}␊
133␊
134static __inline__ __attribute__((deprecated))␊
135NXSwappedDouble ␊
136NXSwapDouble(NXSwappedDouble x)␊
137{ ␊
138 return (NXSwappedDouble)OSSwapInt64((uint64_t)x);␊
139}␊
140␊
141/*␊
142 * Identify the byte order␊
143 * of the current host.␊
144 */␊
145␊
146enum NXByteOrder {␊
147 NX_UnknownByteOrder,␊
148 NX_LittleEndian,␊
149 NX_BigEndian␊
150};␊
151␊
152static __inline__␊
153enum NXByteOrder␊
154NXHostByteOrder(void)␊
155{␊
156#if defined(__LITTLE_ENDIAN__)␊
157 return NX_LittleEndian;␊
158#elif defined(__BIG_ENDIAN__)␊
159 return NX_BigEndian;␊
160#else␊
161 return NX_UnknownByteOrder;␊
162#endif␊
163}␊
164␊
165static __inline__ __attribute__((deprecated))␊
166unsigned short␊
167NXSwapBigShortToHost(␊
168 unsigned short␉x␊
169)␊
170{␊
171 return (unsigned short)OSSwapBigToHostInt16((uint16_t)x);␊
172}␊
173␊
174static __inline__ __attribute__((deprecated))␊
175unsigned int␊
176NXSwapBigIntToHost(␊
177 unsigned int␉x␊
178)␊
179{␊
180 return (unsigned int)OSSwapBigToHostInt32((uint32_t)x);␊
181}␊
182␊
183static __inline__ __attribute__((deprecated))␊
184unsigned long␊
185NXSwapBigLongToHost(␊
186 unsigned long␉x␊
187)␊
188{␊
189 return (unsigned long)OSSwapBigToHostInt32((uint32_t)x);␊
190}␊
191␊
192static __inline__ __attribute__((deprecated))␊
193unsigned long long␊
194NXSwapBigLongLongToHost(␊
195 unsigned long long␉x␊
196)␊
197{␊
198 return (unsigned long long)OSSwapBigToHostInt64((uint64_t)x);␊
199}␊
200␊
201static __inline__ __attribute__((deprecated))␊
202double␊
203NXSwapBigDoubleToHost(␊
204 NXSwappedDouble␉x␊
205)␊
206{␊
207 return NXConvertSwappedDoubleToHost((NXSwappedDouble)OSSwapBigToHostInt64((uint64_t)x));␊
208}␊
209␊
210static __inline__ __attribute__((deprecated))␊
211float␊
212NXSwapBigFloatToHost(␊
213 NXSwappedFloat␉x␊
214)␊
215{␊
216 return NXConvertSwappedFloatToHost((NXSwappedFloat)OSSwapBigToHostInt32((uint32_t)x));␊
217}␊
218␊
219static __inline__ __attribute__((deprecated))␊
220unsigned short␊
221NXSwapHostShortToBig(␊
222 unsigned short␉x␊
223)␊
224{␊
225 return (unsigned short)OSSwapHostToBigInt16((uint16_t)x);␊
226}␊
227␊
228static __inline__ __attribute__((deprecated))␊
229unsigned int␊
230NXSwapHostIntToBig(␊
231 unsigned int␉x␊
232)␊
233{␊
234 return (unsigned int)OSSwapHostToBigInt32((uint32_t)x);␊
235}␊
236␊
237static __inline__ __attribute__((deprecated))␊
238unsigned long␊
239NXSwapHostLongToBig(␊
240 unsigned long␉x␊
241)␊
242{␊
243 return (unsigned long)OSSwapHostToBigInt32((uint32_t)x);␊
244}␊
245␊
246static __inline__ __attribute__((deprecated))␊
247unsigned long long␊
248NXSwapHostLongLongToBig(␊
249 unsigned long long␉x␊
250)␊
251{␊
252 return (unsigned long long)OSSwapHostToBigInt64((uint64_t)x);␊
253}␊
254␊
255static __inline__ __attribute__((deprecated))␊
256NXSwappedDouble␊
257NXSwapHostDoubleToBig(␊
258 double␉x␊
259)␊
260{␊
261 return (NXSwappedDouble)OSSwapHostToBigInt64((uint64_t)NXConvertHostDoubleToSwapped(x));␊
262}␊
263␊
264static __inline__ __attribute__((deprecated))␊
265NXSwappedFloat␊
266NXSwapHostFloatToBig(␊
267 float␉x␊
268)␊
269{␊
270 return (NXSwappedFloat)OSSwapHostToBigInt32((uint32_t)NXConvertHostFloatToSwapped(x));␊
271}␊
272␊
273static __inline__ __attribute__((deprecated))␊
274unsigned short␊
275NXSwapLittleShortToHost(␊
276 unsigned short␉x␊
277)␊
278{␊
279 return (unsigned short)OSSwapLittleToHostInt16((uint16_t)x);␊
280}␊
281␊
282static __inline__ __attribute__((deprecated))␊
283unsigned int␊
284NXSwapLittleIntToHost(␊
285 unsigned int␉x␊
286)␊
287{␊
288 return (unsigned int)OSSwapLittleToHostInt32((uint32_t)x);␊
289}␊
290␊
291static __inline__ __attribute__((deprecated))␊
292unsigned long␊
293NXSwapLittleLongToHost(␊
294 unsigned long␉x␊
295)␊
296{␊
297 return (unsigned long)OSSwapLittleToHostInt32((uint32_t)x);␊
298}␊
299␊
300static __inline__ __attribute__((deprecated))␊
301unsigned long long␊
302NXSwapLittleLongLongToHost(␊
303 unsigned long long␉x␊
304)␊
305{␊
306 return (unsigned long long)OSSwapLittleToHostInt64((uint64_t)x);␊
307}␊
308␊
309static __inline__ __attribute__((deprecated))␊
310double␊
311NXSwapLittleDoubleToHost(␊
312 NXSwappedDouble␉x␊
313)␊
314{␊
315 return NXConvertSwappedDoubleToHost((NXSwappedDouble)OSSwapLittleToHostInt64((uint64_t)x));␊
316}␊
317␊
318static __inline__ __attribute__((deprecated))␊
319float␊
320NXSwapLittleFloatToHost(␊
321 NXSwappedFloat␉x␊
322)␊
323{␊
324 return NXConvertSwappedFloatToHost((NXSwappedFloat)OSSwapLittleToHostInt32((uint32_t)x));␊
325}␊
326␊
327static __inline__ __attribute__((deprecated))␊
328unsigned short␊
329NXSwapHostShortToLittle(␊
330 unsigned short␉x␊
331)␊
332{␊
333 return (unsigned short)OSSwapHostToLittleInt16((uint16_t)x);␊
334}␊
335␊
336static __inline__ __attribute__((deprecated))␊
337unsigned int␊
338NXSwapHostIntToLittle(␊
339 unsigned int␉x␊
340)␊
341{␊
342 return (unsigned int)OSSwapHostToLittleInt32((uint32_t)x);␊
343}␊
344␊
345static __inline__ __attribute__((deprecated))␊
346unsigned long␊
347NXSwapHostLongToLittle(␊
348 unsigned long␉x␊
349)␊
350{␊
351 return (unsigned long)OSSwapHostToLittleInt32((uint32_t)x);␊
352}␊
353␊
354static __inline__ __attribute__((deprecated))␊
355unsigned long long␊
356NXSwapHostLongLongToLittle(␊
357 unsigned long long␉x␊
358)␊
359{␊
360 return (unsigned long long)OSSwapHostToLittleInt64((uint64_t)x);␊
361}␊
362␊
363static __inline__ __attribute__((deprecated))␊
364NXSwappedDouble␊
365NXSwapHostDoubleToLittle(␊
366 double␉x␊
367)␊
368{␊
369 return (NXSwappedDouble)OSSwapHostToLittleInt64((uint64_t)NXConvertHostDoubleToSwapped(x));␊
370}␊
371␊
372static __inline__ __attribute__((deprecated))␊
373NXSwappedFloat␊
374NXSwapHostFloatToLittle(␊
375 float␉x␊
376)␊
377{␊
378 return (NXSwappedFloat)OSSwapHostToLittleInt32((uint32_t)NXConvertHostFloatToSwapped(x));␊
379}␊
380␊
381#endif␉/* _ARCHITECTURE_BYTE_ORDER_H_ */␊
382

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