Annotation of kernel/bsd/include/fts.h, revision 1.1.1.1

1.1       root        1: /*
                      2:  * Copyright (c) 1999 Apple Computer, Inc. All rights reserved.
                      3:  *
                      4:  * @APPLE_LICENSE_HEADER_START@
                      5:  * 
                      6:  * Portions Copyright (c) 1999 Apple Computer, Inc.  All Rights
                      7:  * Reserved.  This file contains Original Code and/or Modifications of
                      8:  * Original Code as defined in and that are subject to the Apple Public
                      9:  * Source License Version 1.1 (the "License").  You may not use this file
                     10:  * except in compliance with the License.  Please obtain a copy of the
                     11:  * License at http://www.apple.com/publicsource and read it before using
                     12:  * this file.
                     13:  * 
                     14:  * The Original Code and all software distributed under the License are
                     15:  * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
                     16:  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
                     17:  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
                     18:  * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
                     19:  * License for the specific language governing rights and limitations
                     20:  * under the License.
                     21:  * 
                     22:  * @APPLE_LICENSE_HEADER_END@
                     23:  */
                     24: 
                     25: /*
                     26:  * Copyright (c) 1989, 1993
                     27:  *     The Regents of the University of California.  All rights reserved.
                     28:  *
                     29:  * Redistribution and use in source and binary forms, with or without
                     30:  * modification, are permitted provided that the following conditions
                     31:  * are met:
                     32:  * 1. Redistributions of source code must retain the above copyright
                     33:  *    notice, this list of conditions and the following disclaimer.
                     34:  * 2. Redistributions in binary form must reproduce the above copyright
                     35:  *    notice, this list of conditions and the following disclaimer in the
                     36:  *    documentation and/or other materials provided with the distribution.
                     37:  * 3. All advertising materials mentioning features or use of this software
                     38:  *    must display the following acknowledgement:
                     39:  *     This product includes software developed by the University of
                     40:  *     California, Berkeley and its contributors.
                     41:  * 4. Neither the name of the University nor the names of its contributors
                     42:  *    may be used to endorse or promote products derived from this software
                     43:  *    without specific prior written permission.
                     44:  *
                     45:  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
                     46:  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
                     47:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
                     48:  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
                     49:  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
                     50:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
                     51:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
                     52:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
                     53:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
                     54:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
                     55:  * SUCH DAMAGE.
                     56:  *
                     57:  *     @(#)fts.h       8.3 (Berkeley) 8/14/94
                     58:  */
                     59: 
                     60: #ifndef        _FTS_H_
                     61: #define        _FTS_H_
                     62: 
                     63: typedef struct {
                     64:        struct _ftsent *fts_cur;        /* current node */
                     65:        struct _ftsent *fts_child;      /* linked list of children */
                     66:        struct _ftsent **fts_array;     /* sort array */
                     67:        dev_t fts_dev;                  /* starting device # */
                     68:        char *fts_path;                 /* path for this descent */
                     69:        int fts_rfd;                    /* fd for root */
                     70:        int fts_pathlen;                /* sizeof(path) */
                     71:        int fts_nitems;                 /* elements in the sort array */
                     72:        int (*fts_compar)();            /* compare function */
                     73: 
                     74: #define        FTS_COMFOLLOW   0x001           /* follow command line symlinks */
                     75: #define        FTS_LOGICAL     0x002           /* logical walk */
                     76: #define        FTS_NOCHDIR     0x004           /* don't change directories */
                     77: #define        FTS_NOSTAT      0x008           /* don't get stat info */
                     78: #define        FTS_PHYSICAL    0x010           /* physical walk */
                     79: #define        FTS_SEEDOT      0x020           /* return dot and dot-dot */
                     80: #define        FTS_XDEV        0x040           /* don't cross devices */
                     81: #define        FTS_WHITEOUT    0x080           /* return whiteout information */
                     82: #define        FTS_OPTIONMASK  0x0ff           /* valid user option mask */
                     83: 
                     84: #define        FTS_NAMEONLY    0x100           /* (private) child names only */
                     85: #define        FTS_STOP        0x200           /* (private) unrecoverable error */
                     86:        int fts_options;                /* fts_open options, global flags */
                     87: } FTS;
                     88: 
                     89: typedef struct _ftsent {
                     90:        struct _ftsent *fts_cycle;      /* cycle node */
                     91:        struct _ftsent *fts_parent;     /* parent directory */
                     92:        struct _ftsent *fts_link;       /* next file in directory */
                     93:        long fts_number;                /* local numeric value */
                     94:        void *fts_pointer;              /* local address value */
                     95:        char *fts_accpath;              /* access path */
                     96:        char *fts_path;                 /* root path */
                     97:        int fts_errno;                  /* errno for this node */
                     98:        int fts_symfd;                  /* fd for symlink */
                     99:        u_short fts_pathlen;            /* strlen(fts_path) */
                    100:        u_short fts_namelen;            /* strlen(fts_name) */
                    101: 
                    102:        ino_t fts_ino;                  /* inode */
                    103:        dev_t fts_dev;                  /* device */
                    104:        nlink_t fts_nlink;              /* link count */
                    105: 
                    106: #define        FTS_ROOTPARENTLEVEL     -1
                    107: #define        FTS_ROOTLEVEL            0
                    108:        short fts_level;                /* depth (-1 to N) */
                    109: 
                    110: #define        FTS_D            1              /* preorder directory */
                    111: #define        FTS_DC           2              /* directory that causes cycles */
                    112: #define        FTS_DEFAULT      3              /* none of the above */
                    113: #define        FTS_DNR          4              /* unreadable directory */
                    114: #define        FTS_DOT          5              /* dot or dot-dot */
                    115: #define        FTS_DP           6              /* postorder directory */
                    116: #define        FTS_ERR          7              /* error; errno is set */
                    117: #define        FTS_F            8              /* regular file */
                    118: #define        FTS_INIT         9              /* initialized only */
                    119: #define        FTS_NS          10              /* stat(2) failed */
                    120: #define        FTS_NSOK        11              /* no stat(2) requested */
                    121: #define        FTS_SL          12              /* symbolic link */
                    122: #define        FTS_SLNONE      13              /* symbolic link without target */
                    123: #define        FTS_W           14              /* whiteout object */
                    124:        u_short fts_info;               /* user flags for FTSENT structure */
                    125: 
                    126: #define        FTS_DONTCHDIR    0x01           /* don't chdir .. to the parent */
                    127: #define        FTS_SYMFOLLOW    0x02           /* followed a symlink to get here */
                    128: #define        FTS_ISW          0x04           /* this is a whiteout object */
                    129:        u_short fts_flags;              /* private flags for FTSENT structure */
                    130: 
                    131: #define        FTS_AGAIN        1              /* read node again */
                    132: #define        FTS_FOLLOW       2              /* follow symbolic link */
                    133: #define        FTS_NOINSTR      3              /* no instructions */
                    134: #define        FTS_SKIP         4              /* discard node */
                    135:        u_short fts_instr;              /* fts_set() instructions */
                    136: 
                    137:        struct stat *fts_statp;         /* stat(2) information */
                    138:        char fts_name[1];               /* file name */
                    139: } FTSENT;
                    140: 
                    141: #include <sys/cdefs.h>
                    142: 
                    143: __BEGIN_DECLS
                    144: FTSENT *fts_children __P((FTS *, int));
                    145: int     fts_close __P((FTS *));
                    146: FTS    *fts_open __P((char * const *, int,
                    147:            int (*)(const FTSENT **, const FTSENT **)));
                    148: FTSENT *fts_read __P((FTS *));
                    149: int     fts_set __P((FTS *, FTSENT *, int));
                    150: __END_DECLS
                    151: 
                    152: #endif /* !_FTS_H_ */

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