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Diffstat (limited to 'src/microhttpd/mhd_bithelpers.h')
-rw-r--r--src/microhttpd/mhd_bithelpers.h107
1 files changed, 87 insertions, 20 deletions
diff --git a/src/microhttpd/mhd_bithelpers.h b/src/microhttpd/mhd_bithelpers.h
index d4a47ce4..bf20293f 100644
--- a/src/microhttpd/mhd_bithelpers.h
+++ b/src/microhttpd/mhd_bithelpers.h
@@ -29,32 +29,99 @@
29#include "mhd_byteorder.h" 29#include "mhd_byteorder.h"
30#include <stdint.h> 30#include <stdint.h>
31 31
32 32/* _MHD_PUT_64BIT_LE (addr, value64)
33 * put native-endian 64-bit value64 to addr
34 * in little-endian mode.
35 */
33#if _MHD_BYTE_ORDER == _MHD_LITTLE_ENDIAN 36#if _MHD_BYTE_ORDER == _MHD_LITTLE_ENDIAN
34#define _MHD_PUT_64BIT_LE(addr, value64) \ 37#define _MHD_PUT_64BIT_LE(addr, value64) \
35 ((*(uint64_t*)(addr)) = (uint64_t)(value64)) 38 ((*(uint64_t*)(addr)) = (uint64_t)(value64))
36#else /* _MHD_BYTE_ORDER != _MHD_LITTLE_ENDIAN */ 39#else /* _MHD_BYTE_ORDER != _MHD_LITTLE_ENDIAN */
37#define _MHD_PUT_64BIT_LE(addr, value64) do { \ 40#define _MHD_PUT_64BIT_LE(addr, value64) do { \
38 (uint8_t*(addr))[7] = (uint8_t)((value64) >> 56); \ 41 ((uint8_t*)(addr))[0] = (uint8_t)((uint64_t)(value64)); \
39 (uint8_t*(addr))[6] = (uint8_t)((value64) >> 48); \ 42 ((uint8_t*)(addr))[1] = (uint8_t)(((uint64_t)(value64)) >> 8); \
40 (uint8_t*(addr))[5] = (uint8_t)((value64) >> 40); \ 43 ((uint8_t*)(addr))[2] = (uint8_t)(((uint64_t)(value64)) >> 16); \
41 (uint8_t*(addr))[4] = (uint8_t)((value64) >> 32); \ 44 ((uint8_t*)(addr))[3] = (uint8_t)(((uint64_t)(value64)) >> 24); \
42 (uint8_t*(addr))[3] = (uint8_t)((value64) >> 24); \ 45 ((uint8_t*)(addr))[4] = (uint8_t)(((uint64_t)(value64)) >> 32); \
43 (uint8_t*(addr))[2] = (uint8_t)((value64) >> 16); \ 46 ((uint8_t*)(addr))[5] = (uint8_t)(((uint64_t)(value64)) >> 40); \
44 (uint8_t*(addr))[1] = (uint8_t)((value64) >> 8); \ 47 ((uint8_t*)(addr))[6] = (uint8_t)(((uint64_t)(value64)) >> 48); \
45 (uint8_t*(addr))[0] = (uint8_t)((value64)); } while (0) 48 ((uint8_t*)(addr))[7] = (uint8_t)(((uint64_t)(value64)) >> 56); \
49 } while (0)
46#endif /* _MHD_BYTE_ORDER != _MHD_LITTLE_ENDIAN */ 50#endif /* _MHD_BYTE_ORDER != _MHD_LITTLE_ENDIAN */
47 51
52/* _MHD_PUT_32BIT_LE (addr, value32)
53 * put native-endian 32-bit value32 to addr
54 * in little-endian mode.
55 */
48#if _MHD_BYTE_ORDER == _MHD_LITTLE_ENDIAN 56#if _MHD_BYTE_ORDER == _MHD_LITTLE_ENDIAN
49#define _MHD_PUT_32BIT_LE(addr, value32) \ 57#define _MHD_PUT_32BIT_LE(addr, value32) \
50 ((*(uint32_t*)(addr)) = (uint32_t)(value32)) 58 ((*(uint32_t*)(addr)) = (uint32_t)(value32))
51#else /* _MHD_BYTE_ORDER != _MHD_LITTLE_ENDIAN */ 59#else /* _MHD_BYTE_ORDER != _MHD_LITTLE_ENDIAN */
52 60#define _MHD_PUT_32BIT_LE(addr, value32) do { \
53#define _MHD_PUT_32BIT_LE(addr, value32) do { \ 61 ((uint8_t*)(addr))[0] = (uint8_t)((uint32_t)(value32)); \
54 (uint8_t*(addr))[3] = (uint8_t)((value32) >> 24); \ 62 ((uint8_t*)(addr))[1] = (uint8_t)(((uint32_t)(value32)) >> 8); \
55 (uint8_t*(addr))[2] = (uint8_t)((value32) >> 16); \ 63 ((uint8_t*)(addr))[2] = (uint8_t)(((uint32_t)(value32)) >> 16); \
56 (uint8_t*(addr))[1] = (uint8_t)((value32) >> 8); \ 64 ((uint8_t*)(addr))[3] = (uint8_t)(((uint32_t)(value32)) >> 24); \
57 (uint8_t*(addr))[0] = (uint8_t)((value32)); } while (0) 65 } while (0)
58#endif /* _MHD_BYTE_ORDER != _MHD_LITTLE_ENDIAN */ 66#endif /* _MHD_BYTE_ORDER != _MHD_LITTLE_ENDIAN */
59 67
68
69/* _MHD_PUT_64BIT_BE (addr, value64)
70 * put native-endian 64-bit value64 to addr
71 * in big-endian mode.
72 */
73#if _MHD_BYTE_ORDER == _MHD_BIG_ENDIAN
74#define _MHD_PUT_64BIT_BE(addr, value64) \
75 ((*(uint64_t*)(addr)) = (uint64_t)(value64))
76#else /* _MHD_BYTE_ORDER != _MHD_BIG_ENDIAN */
77#define _MHD_PUT_64BIT_BE(addr, value64) do { \
78 ((uint8_t*)(addr))[7] = (uint8_t)((uint64_t)(value64)); \
79 ((uint8_t*)(addr))[6] = (uint8_t)(((uint64_t)(value64)) >> 8); \
80 ((uint8_t*)(addr))[5] = (uint8_t)(((uint64_t)(value64)) >> 16); \
81 ((uint8_t*)(addr))[4] = (uint8_t)(((uint64_t)(value64)) >> 24); \
82 ((uint8_t*)(addr))[3] = (uint8_t)(((uint64_t)(value64)) >> 32); \
83 ((uint8_t*)(addr))[2] = (uint8_t)(((uint64_t)(value64)) >> 40); \
84 ((uint8_t*)(addr))[1] = (uint8_t)(((uint64_t)(value64)) >> 48); \
85 ((uint8_t*)(addr))[0] = (uint8_t)(((uint64_t)(value64)) >> 56); \
86 } while (0)
87#endif /* _MHD_BYTE_ORDER != _MHD_BIG_ENDIAN */
88
89/* _MHD_PUT_32BIT_BE (addr, value32)
90 * put native-endian 32-bit value32 to addr
91 * in big-endian mode.
92 */
93#if _MHD_BYTE_ORDER == _MHD_BIG_ENDIAN
94#define _MHD_PUT_32BIT_BE(addr, value32) \
95 ((*(uint32_t*)(addr)) = (uint32_t)(value32))
96#else /* _MHD_BYTE_ORDER != _MHD_BIG_ENDIAN */
97#define _MHD_PUT_32BIT_BE(addr, value32) do { \
98 ((uint8_t*)(addr))[3] = (uint8_t)((uint32_t)(value32)); \
99 ((uint8_t*)(addr))[2] = (uint8_t)(((uint32_t)(value32)) >> 8); \
100 ((uint8_t*)(addr))[1] = (uint8_t)(((uint32_t)(value32)) >> 16); \
101 ((uint8_t*)(addr))[0] = (uint8_t)(((uint32_t)(value32)) >> 24); \
102 } while (0)
103#endif /* _MHD_BYTE_ORDER != _MHD_BIG_ENDIAN */
104
105/* _MHD_GET_32BIT_BE (addr)
106 * get big-endian 32-bit value storied at addr
107 * and return it in native-endian mode.
108 */
109#if _MHD_BYTE_ORDER == _MHD_BIG_ENDIAN
110#define _MHD_GET_32BIT_BE(addr) \
111 (*(uint32_t*)(addr))
112#else /* _MHD_BYTE_ORDER != _MHD_BIG_ENDIAN */
113#define _MHD_GET_32BIT_BE(addr) \
114 ( (((uint32_t)(((uint8_t*)addr)[0])) << 24) | \
115 (((uint32_t)(((uint8_t*)addr)[1])) << 16) | \
116 (((uint32_t)(((uint8_t*)addr)[2])) << 8) | \
117 ((uint32_t) (((uint8_t*)addr)[3])) )
118#endif /* _MHD_BYTE_ORDER != _MHD_BIG_ENDIAN */
119
120/**
121 * Rotate right 32-bit value by number of bits.
122 * bits parameter must be more than zero and must be less than 32.
123 * Defined in form which modern compiler could optimize.
124 */
125#define _MHD_ROTR32(value32, bits) ((value32) >> (bits) | (value32) << (32 - bits))
126
60#endif /* ! MHD_BITHELPERS_H */ 127#endif /* ! MHD_BITHELPERS_H */
generated by cgit v1.2.3 (git 2.39.1) at 2024-06-12 15:59:53 +0000