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63 lines
1.9 KiB
63 lines
1.9 KiB
/*
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* Copyright (C) 2009 Sourcefire, Inc.
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*
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* Authors: aCaB <acab@clamav.net>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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* MA 02110-1301, USA.
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*/
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#ifndef __FMAP_H
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#define __FMAP_H
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#ifdef HAVE_UNISTD_H
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#include <unistd.h>
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#endif
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#include <time.h>
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#include "cltypes.h"
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typedef struct {
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int fd;
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unsigned short dumb;
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unsigned short dont_cache_flag;
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time_t mtime;
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size_t offset;
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size_t len;
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unsigned int pages;
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unsigned int hdrsz;
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unsigned int pgsz;
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unsigned int paged;
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#ifdef _WIN32
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HANDLE fh;
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HANDLE mh;
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void *data;
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#endif
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uint32_t placeholder_for_bitmap;
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} fmap_t;
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fmap_t *fmap(int fd, off_t offset, size_t len);
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fmap_t *fmap_check_empty(int fd, off_t offset, size_t len, int *empty);
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void funmap(fmap_t *m);
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void *fmap_need_off(fmap_t *m, size_t at, size_t len);
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void *fmap_need_off_once(fmap_t *m, size_t at, size_t len);
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void *fmap_need_ptr(fmap_t *m, void *ptr, size_t len);
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void *fmap_need_ptr_once(fmap_t *m, void *ptr, size_t len);
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void fmap_unneed_off(fmap_t *m, size_t at, size_t len);
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void fmap_unneed_ptr(fmap_t *m, void *ptr, size_t len);
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int fmap_readn(fmap_t *m, void *dst, size_t at, size_t len);
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void *fmap_need_str(fmap_t *m, void *ptr, size_t len_hint);
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void *fmap_need_offstr(fmap_t *m, size_t at, size_t len_hint);
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void *fmap_gets(fmap_t *m, char *dst, size_t *at, size_t max_len);
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#endif
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