kolibrios/contrib/other/udcli/libudis86/input.h

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/* -----------------------------------------------------------------------------
* input.h
*
* Copyright (c) 2006, Vivek Mohan <vivek@sig9.com>
* All rights reserved. See LICENSE
* -----------------------------------------------------------------------------
*/
#ifndef UD_INPUT_H
#define UD_INPUT_H
#include "types.h"
uint8_t inp_next(struct ud*);
uint8_t inp_peek(struct ud*);
uint8_t inp_uint8(struct ud*);
uint16_t inp_uint16(struct ud*);
uint32_t inp_uint32(struct ud*);
uint64_t inp_uint64(struct ud*);
void inp_move(struct ud*, size_t);
void inp_back(struct ud*);
/* inp_init() - Initializes the input system. */
#define inp_init(u) \
do { \
u->inp_curr = 0; \
u->inp_fill = 0; \
u->inp_ctr = 0; \
u->inp_end = 0; \
} while (0)
/* inp_start() - Should be called before each de-code operation. */
#define inp_start(u) u->inp_ctr = 0
/* inp_back() - Resets the current pointer to its position before the current
* instruction disassembly was started.
*/
#define inp_reset(u) \
do { \
u->inp_curr -= u->inp_ctr; \
u->inp_ctr = 0; \
} while (0)
/* inp_sess() - Returns the pointer to current session. */
#define inp_sess(u) (u->inp_sess)
/* inp_cur() - Returns the current input byte. */
#define inp_curr(u) ((u)->inp_cache[(u)->inp_curr])
#endif