/* * The Sleuth Kit * * Brian Carrier [carrier <at> sleuthkit [dot] org] * Copyright (c) 2003-2008 Brian Carrier.  All rights reserved  * * Copyright (c) 2002 Brian Carrier, @stake Inc.  All rights reserved * * This software is distributed under the Common Public License 1.0 * */#include "tsk_base_i.h"/** \file tsk_endian.c * Contains the routines to read data in different endian orderings.  *//* A temporary data structure with an endian field */typedef struct {    uint8_t endian;} tmp_ds;/** \internal * Analyze an array of bytes and compare it to a target value to * determine which byte order the array is stored in.  * * @param flag Pointer to location where proper endian flag should be stored. * @param x Pointer to array of bytes to analyze. * @param val Target value to compare to * @returns 1 if match cannot be made, 0 if it can.  */uint8_ttsk_guess_end_u16(TSK_ENDIAN_ENUM * flag, uint8_t * x, uint16_t val){    /* try little */    if (tsk_getu16(TSK_LIT_ENDIAN, x) == val) {        *flag = TSK_LIT_ENDIAN;        return 0;    }    /* ok, big now */    if (tsk_getu16(TSK_BIG_ENDIAN, x) == val) {        *flag = TSK_BIG_ENDIAN;        return 0;    }    /* didn't find it */    return 1;}/** \internal * same idea as tsk_guess_end_u16 except that val is a 32-bit value ** @param flag Pointer to location where proper endian flag should be stored.* @param x Pointer to array of bytes to analyze.* @param val Target value to compare to* @returns 1 if match cannot be made, 0 if it can.  */uint8_ttsk_guess_end_u32(TSK_ENDIAN_ENUM * flag, uint8_t * x, uint32_t val){    /* try little */    if (tsk_getu32(TSK_LIT_ENDIAN, x) == val) {        *flag = TSK_LIT_ENDIAN;        return 0;    }    /* ok, big now */    if (tsk_getu32(TSK_BIG_ENDIAN, x) == val) {        *flag = TSK_BIG_ENDIAN;        return 0;    }    return 1;}