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/*
* This file is part of the sn package.
* Distribution of sn is covered by the GNU GPL. See file COPYING.
* Copyright 1998-2000 Harold Tay.
* Copyright 2000- Patrik Rdman.
*/
#ifndef ARTFILE_H
#define ARTFILE_H
/*
* This is the structure of an article file. The ?len fields refer to
* the total length of the entity (head or body), including leading
* \0 and trailing \0. These \0's are just a simple check to see if
* the entity is valid.
* When an article is returned, the ?len fields in struct article are
* decremented by 2, so it refers to the real length.
*/
/*
* struct info is sometimes used to refer to a mmap()ed file, then
* VOLATILE really is volatile. Other times its used to refer to just
* some memory buffer. Then VOLATILE is not volatile.
*/
#ifndef VOLATILE
#define VOLATILE volatile
#endif
struct info {
VOLATILE int hoffset; /* Offset from the START of the FILE */
VOLATILE int hlen; /* Total length of the buffer,
including leading and trailing '\0' */
VOLATILE int boffset;
VOLATILE int blen;
};
/* Each article file begins with this header. */
#define FILE_MAGIC 0xface0
struct file {
int magic;
struct info info[ARTSPERFILE];
};
struct fileobj {
char *path;
char *map;
int size;
};
#endif
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