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split.h

00001 /*
00002  * The Sleuth Kit
00003  *
00004  * $Date: 2007/04/19 19:01:35 $
00005  *
00006  * Brian Carrier [carrier@sleuthkit.org]
00007  * Copyright (c) 2005 Brian Carrier.  All rights reserved 
00008  */
00009 
00010 #ifndef _SPLIT_H
00011 #define _SPLIT_H
00012 
00013 #ifdef __cplusplus
00014 extern "C" {
00015 #endif
00016 
00017     extern TSK_IMG_INFO *split_open(int, const TSK_TCHAR **,
00018         TSK_IMG_INFO *);
00019 
00020 #define SPLIT_CACHE     15
00021 
00022     typedef struct {
00023 #ifdef TSK_WIN32
00024         HANDLE fd;
00025 #else
00026         int fd;
00027 #endif
00028         int image;
00029         OFF_T seek_pos;
00030     } IMG_SPLIT_CACHE;
00031 
00032     typedef struct IMG_SPLIT_INFO IMG_SPLIT_INFO;
00033 
00034     struct IMG_SPLIT_INFO {
00035         TSK_IMG_INFO img_info;
00036         int num_img;
00037         const TSK_TCHAR **images;
00038         OFF_T *max_off;
00039         int *cptr;              /* exists for each image - points to entry in cache */
00040         IMG_SPLIT_CACHE cache[SPLIT_CACHE];     /* small number of fds for open images */
00041         int next_slot;
00042     };
00043 
00044 #ifdef __cplusplus
00045 }
00046 #endif
00047 #endif

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