source: abuse/trunk/src/imlib/include/system.h @ 17

Last change on this file since 17 was 17, checked in by Sam Hocevar, 17 years ago
  • absolute shitloads of 64 bit fixes.
File size: 1.5 KB
Line 
1#ifndef __SYS__
2#define __SYS__
3
4
5#ifdef WORDS_BIGENDIAN
6  #define BIG_ENDIANS
7#else
8  #define LITTLE_ENDIANS
9#endif
10
11
12#if defined( __WATCOMC__ )
13  // they didn't include this def in their math include
14  #ifndef M_PI
15    #define M_PI 3.141592654
16  #endif
17  // so stuff can find proper file ops
18  #include <io.h>
19#elif defined( __POWERPC__ )
20  // they didn't include this def in their math include
21  #ifndef M_PI
22    #define M_PI 3.141592654
23  #endif
24        #include <unistd.h>
25#else
26  // so apps can find unlink
27  #include <unistd.h>
28  #include <stdint.h>
29#endif
30
31
32#define uint16_swap(x) (((((uint16_t) (x)))<<8)|((((uint16_t) (x)))>>8))
33#define uint32_swap(x) \
34   ((( ((uint32_t)(x)) )>>24)|((( ((uint32_t)(x)) )&0x00ff0000)>>8)| \
35   ((( ((uint32_t)(x)) )&0x0000ff00)<<8)|(( ((uint32_t)(x)) )<<24))
36
37#if defined BIG_ENDIANS
38#define LONG int32_t
39#define uint16_to_intel(x) uint16_swap(x)
40#define uint16_to_local(x) uint16_to_intel(x)
41#define big_uint32_to_local(x) (x)
42#define big_uint16_to_local(x) (x)
43#define uint32_to_intel(x) uint32_swap(x)
44#define uint32_to_local(x) uint32_to_intel(x)
45#else
46#define LONG int32_t
47#define uint16_to_intel(x) (x)
48#define uint16_to_local(x) (x)
49#define uint32_to_local(x) (x)
50#define uint32_to_intel(x) (x)
51#define big_uint32_to_local(x) uint32_swap(x)
52#define big_uint16_to_local(x) uint16_swap(x)
53#endif
54
55#define bltl(x) big_uint32_to_local(x)
56#define bstl(x) big_uint16_to_local(x)
57#define lltl(x) uint32_to_intel(x)
58#define lstl(x) uint16_to_intel(x)
59
60#endif
61
62
63
64
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