include/atalk/directory.h

Go to the documentation of this file.

/*
 * Copyright (c) 1990,1991 Regents of The University of Michigan.
 * All Rights Reserved.
 *
 * Permission to use, copy, modify, and distribute this software and
 * its documentation for any purpose and without fee is hereby granted,
 * provided that the above copyright notice appears in all copies and
 * that both that copyright notice and this permission notice appear
 * in supporting documentation, and that the name of The University
 * of Michigan not be used in advertising or publicity pertaining to
 * distribution of the software without specific, written prior
 * permission. This software is supplied as is without expressed or
 * implied warranties of any kind.
 *
 *  Research Systems Unix Group
 *  The University of Michigan
 *  c/o Mike Clark
 *  535 W. William Street
 *  Ann Arbor, Michigan
 *  +1-313-763-0525
 *  [email protected]
 */
 
#ifndef ATALK_DIRECTORY_H
#define ATALK_DIRECTORY_H 1
 
#include <arpa/inet.h>
#include <dirent.h>
#include <stdint.h>
#include <sys/types.h>
 
#include <bstrlib.h>
 
#include <atalk/cnid.h>
#include <atalk/queue.h>
#include <atalk/unicode.h>
 
/* setgid directories */
#ifndef DIRBITS
#  define DIRBITS S_ISGID
#endif /* DIRBITS */
 
/* reserved directory id's */
#define DIRDID_ROOT_PARENT    htonl(1)  
#define DIRDID_ROOT           htonl(2)  
 
/* struct dir.d_flags */
#define DIRF_FSMASK    (3<<0)
#define DIRF_NOFS      (0<<0)
#define DIRF_UFS       (1<<1)
#define DIRF_ISFILE    (1<<3) 
#define DIRF_OFFCNT    (1<<4) 
#define DIRF_CNID      (1<<5) 
#define DIRF_UNVALIDATED (1<<6)
 
struct dir {
    bstring     d_fullpath;          
    /* be careful here! if d_m_name == d_u_name, d_u_name
     * will just point to the same storage as d_m_name !! */
    bstring     d_m_name;            
    bstring     d_u_name;            
    ucs2_t      *d_m_name_ucs2;      
    qnode_t     *qidx_node;          
    time_t      d_ctime;             
    int         d_flags;             
    cnid_t      d_pdid;              
    cnid_t      d_did;               
    uint32_t    d_offcnt;            
    uint16_t    d_vid;               
    uint32_t    d_rights_cache;      
    /* Stuff used in the dircache */
    time_t      dcache_ctime;        
    ino_t       dcache_ino;          
};
 
struct path {
    int         m_type;             
    char        *m_name;            
    char        *u_name;            
    cnid_t      id;                 
    struct dir  *d_dir;
    int         st_valid;           
    int         st_errno;
    struct stat st;
};
 
static inline int path_isadir(struct path *o_path)
{
    return o_path->d_dir != NULL;
#if 0
    return o_path->m_name == '\0' || /* we are in a it */
           !o_path->st_valid ||      /* in cache but we can't chdir in it */
           /* not in cache and can't chdir */
           (!o_path->st_errno && S_ISDIR(o_path->st.st_mode));
#endif
}
 
/* directory.c */
extern struct dir rootParent;
 
#endif /* ATALK_DIRECTORY_H */