src/dirbuf.h
author Tero Marttila <terom@fixme.fi>
Fri, 26 Sep 2008 20:39:51 +0300
changeset 7 3a603d755bcb
child 26 61668c57f4bb
permissions -rw-r--r--
split off the dirbuf stuff into its own module
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#ifndef DIRBUF_H
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#define DIRBUF_H
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/*
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 * Simple dirent building
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 */
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#include "evfuse.h"
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/*
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 * Holds the dir entries
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 */ 
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struct dirbuf {
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    char *buf;
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    size_t len;
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    size_t off;
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};
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/*
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 * Initialize a dirbuf for a request. The dirbuf will be filled with at most req_size bytes of dir entries.
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 */
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int dirbuf_init (struct dirbuf *buf, size_t req_size);
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/*
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 * Add an dir entry to the dirbuf. The dirbuf should not be full.
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 *
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 * Offsets are followed:
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 *  req_off     - the offset of the first dirent to include
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 *  ent_off     - the offset of this dirent
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 *  next_off    - the offset of the next dirent
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 *
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 * Only the S_IFMT bits of ent_mode are relevant.
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 *
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 * Returns 0 if the ent was added or skipped, -1 on error, 1 if the dirbuf is full (no more ents should be added).
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 */
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int dirbuf_add (fuse_req_t req, off_t req_off, struct dirbuf *buf, off_t ent_off, off_t next_off, const char *ent_name, fuse_ino_t ent_ino, mode_t ent_mode);
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/*
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 * Attempt to send the readdir reply, free the buf, and return the error code from fuse_reply_buf
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 */
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int dirbuf_done (fuse_req_t req, struct dirbuf *buf);
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#endif /* DIRBUF_H */