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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 8323 | maxcodehac | 1 | /* ----------------------------------------------------------------------------- |
| 2 | * input.h |
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| 3 | * |
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| 4 | * Copyright (c) 2006, Vivek Mohan |
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| 5 | * All rights reserved. See LICENSE |
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| 6 | * ----------------------------------------------------------------------------- |
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| 7 | */ |
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| 8 | #ifndef UD_INPUT_H |
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| 9 | #define UD_INPUT_H |
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| 10 | |||
| 11 | #include "types.h" |
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| 12 | |||
| 13 | uint8_t inp_next(struct ud*); |
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| 14 | uint8_t inp_peek(struct ud*); |
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| 15 | uint8_t inp_uint8(struct ud*); |
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| 16 | uint16_t inp_uint16(struct ud*); |
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| 17 | uint32_t inp_uint32(struct ud*); |
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| 18 | uint64_t inp_uint64(struct ud*); |
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| 19 | void inp_move(struct ud*, size_t); |
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| 20 | void inp_back(struct ud*); |
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| 21 | |||
| 22 | /* inp_init() - Initializes the input system. */ |
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| 23 | #define inp_init(u) \ |
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| 24 | do { \ |
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| 25 | u->inp_curr = 0; \ |
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| 26 | u->inp_fill = 0; \ |
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| 27 | u->inp_ctr = 0; \ |
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| 28 | u->inp_end = 0; \ |
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| 29 | } while (0) |
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| 30 | |||
| 31 | /* inp_start() - Should be called before each de-code operation. */ |
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| 32 | #define inp_start(u) u->inp_ctr = 0 |
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| 33 | |||
| 34 | /* inp_back() - Resets the current pointer to its position before the current |
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| 35 | * instruction disassembly was started. |
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| 36 | */ |
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| 37 | #define inp_reset(u) \ |
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| 38 | do { \ |
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| 39 | u->inp_curr -= u->inp_ctr; \ |
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| 40 | u->inp_ctr = 0; \ |
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| 41 | } while (0) |
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| 42 | |||
| 43 | /* inp_sess() - Returns the pointer to current session. */ |
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| 44 | #define inp_sess(u) (u->inp_sess) |
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| 45 | |||
| 46 | /* inp_cur() - Returns the current input byte. */ |
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| 47 | #define inp_curr(u) ((u)->inp_cache[(u)->inp_curr]) |
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| 48 | |||
| 49 | #endif |