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lib:util: Add (PULL|PUSH)_(BE|LE)_I(8|16|32|64) byterarray macros

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The only difference is that the pull macros do the correct casting of
the integer in the end.

Signed-off-by: Andreas Schneider <asn@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>

Autobuild-User(master): Andrew Bartlett <abartlet@samba.org>
Autobuild-Date(master): Fri Feb 21 03:35:58 UTC 2020 on sn-devel-184
This commit is contained in:
Andreas Schneider 2020-02-04 17:47:51 +01:00 committed by Andrew Bartlett
parent a84c24e71d
commit a2692b6494
1 changed files with 32 additions and 0 deletions
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32
lib/util/bytearray.h
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@ -34,28 +34,44 @@
*/
#define PULL_LE_U8(data, pos) \
(_DATA_BYTE_CONST(data, pos))
#define PULL_LE_I8(data, pos) \
(int8_t)PULL_LE_U8(data, pos)
#define PULL_LE_U16(data, pos) \
((uint16_t)PULL_LE_U8(data, pos) | ((uint16_t)(PULL_LE_U8(data, (pos) + 1))) << 8)
#define PULL_LE_I16(data, pos) \
(int16_t)PULL_LE_U16(data, pos)
#define PULL_LE_U32(data, pos) \
((uint32_t)(PULL_LE_U16(data, pos) | ((uint32_t)PULL_LE_U16(data, (pos) + 2)) << 16))
#define PULL_LE_I32(data, pos) \
(int32_t)PULL_LE_U32(data, pos)
#define PULL_LE_U64(data, pos) \
((uint64_t)(PULL_LE_U32(data, pos) | ((uint64_t)PULL_LE_U32(data, (pos) + 4)) << 32))
#define PULL_LE_I64(data, pos) \
(int64_t)PULL_LE_U64(data, pos)
#define PUSH_LE_U8(data, pos, val) \
(_DATA_BYTE(data, pos) = ((uint8_t)(val)))
#define PUSH_LE_I8(data, pos, val) \
PUSH_LE_U8(data, pos, val)
#define PUSH_LE_U16(data, pos, val) \
(PUSH_LE_U8((data), (pos), (uint8_t)((uint16_t)(val) & 0xff)), PUSH_LE_U8((data), (pos) + 1, (uint8_t)((uint16_t)(val) >> 8)))
#define PUSH_LE_I16(data, pos, val) \
PUSH_LE_U16(data, pos, val)
#define PUSH_LE_U32(data, pos, val) \
(PUSH_LE_U16((data), (pos), (uint16_t)((uint32_t)(val) & 0xffff)), PUSH_LE_U16((data), (pos) + 2, (uint16_t)((uint32_t)(val) >> 16)))
#define PUSH_LE_I32(data, pos, val) \
PUSH_LE_U32(data, pos, val)
#define PUSH_LE_U64(data, pos, val) \
(PUSH_LE_U32((data), (pos), (uint32_t)((uint64_t)(val) & 0xffffffff)), PUSH_LE_U32((data), (pos) + 4, (uint32_t)((uint64_t)(val) >> 32)))
#define PUSH_LE_I64(data, pos, val) \
PUSH_LE_U64(data, pos, val)
@ -65,28 +81,44 @@
*/
#define PULL_BE_U8(data, pos) \
(_DATA_BYTE_CONST(data, pos))
#define PULL_BE_I8(data, pos) \
(int8_t)PULL_BE_U8(data, pos)
#define PULL_BE_U16(data, pos) \
((((uint16_t)(PULL_BE_U8(data, pos))) << 8) | (uint16_t)PULL_BE_U8(data, (pos) + 1))
#define PULL_BE_I16(data, pos) \
(int16_t)PULL_BE_U16(data, pos)
#define PULL_BE_U32(data, pos) \
((((uint32_t)PULL_BE_U16(data, pos)) << 16) | (uint32_t)(PULL_BE_U16(data, (pos) + 2)))
#define PULL_BE_I32(data, pos) \
(int32_t)PULL_BE_U32(data, pos)
#define PULL_BE_U64(data, pos) \
((((uint64_t)PULL_BE_U32(data, pos)) << 32) | (uint64_t)(PULL_BE_U32(data, (pos) + 4)))
#define PULL_BE_I64(data, pos) \
(int64_t)PULL_BE_U64(data, pos)
#define PUSH_BE_U8(data, pos, val) \
(_DATA_BYTE(data, pos) = ((uint8_t)(val)))
#define PUSH_BE_I8(data, pos, val) \
PUSH_BE_U8(data, pos, val)
#define PUSH_BE_U16(data, pos, val) \
(PUSH_BE_U8((data), (pos), (uint8_t)(((uint16_t)(val)) >> 8)), PUSH_BE_U8((data), (pos) + 1, (uint8_t)((val) & 0xff)))
#define PUSH_BE_I16(data, pos, val) \
PUSH_BE_U16(data, pos, val)
#define PUSH_BE_U32(data, pos, val) \
(PUSH_BE_U16((data), (pos), (uint16_t)(((uint32_t)(val)) >> 16)), PUSH_BE_U16((data), (pos) + 2, (uint16_t)((val) & 0xffff)))
#define PUSH_BE_I32(data, pos, val) \
PUSH_BE_U32(data, pos, val)
#define PUSH_BE_U64(data, pos, val) \
(PUSH_BE_U32((data), (pos), (uint32_t)(((uint64_t)(val)) >> 32)), PUSH_BE_U32((data), (pos) + 4, (uint32_t)((val) & 0xffffffff)))
#define PUSH_BE_I64(data, pos, val) \
PUSH_BE_U64(data, pos, val)
#endif /* _BYTEARRAY_H */