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Annotation of XNU/bsd/include/fts.h, revision 1.1

1.1     ! root        1: /*
        !             2:  * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
        !             3:  *
        !             4:  * @APPLE_LICENSE_HEADER_START@
        !             5:  * 
        !             6:  * The contents of this file constitute Original Code as defined in and
        !             7:  * are subject to the Apple Public Source License Version 1.1 (the
        !             8:  * "License").  You may not use this file except in compliance with the
        !             9:  * License.  Please obtain a copy of the License at
        !            10:  * http://www.apple.com/publicsource and read it before using this file.
        !            11:  * 
        !            12:  * This Original Code and all software distributed under the License are
        !            13:  * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
        !            14:  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
        !            15:  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
        !            16:  * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
        !            17:  * License for the specific language governing rights and limitations
        !            18:  * under the License.
        !            19:  * 
        !            20:  * @APPLE_LICENSE_HEADER_END@
        !            21:  */
        !            22: /*
        !            23:  * Copyright (c) 1989, 1993
        !            24:  *     The Regents of the University of California.  All rights reserved.
        !            25:  *
        !            26:  * Redistribution and use in source and binary forms, with or without
        !            27:  * modification, are permitted provided that the following conditions
        !            28:  * are met:
        !            29:  * 1. Redistributions of source code must retain the above copyright
        !            30:  *    notice, this list of conditions and the following disclaimer.
        !            31:  * 2. Redistributions in binary form must reproduce the above copyright
        !            32:  *    notice, this list of conditions and the following disclaimer in the
        !            33:  *    documentation and/or other materials provided with the distribution.
        !            34:  * 3. All advertising materials mentioning features or use of this software
        !            35:  *    must display the following acknowledgement:
        !            36:  *     This product includes software developed by the University of
        !            37:  *     California, Berkeley and its contributors.
        !            38:  * 4. Neither the name of the University nor the names of its contributors
        !            39:  *    may be used to endorse or promote products derived from this software
        !            40:  *    without specific prior written permission.
        !            41:  *
        !            42:  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
        !            43:  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
        !            44:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
        !            45:  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
        !            46:  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
        !            47:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
        !            48:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
        !            49:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
        !            50:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
        !            51:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
        !            52:  * SUCH DAMAGE.
        !            53:  *
        !            54:  *     @(#)fts.h       8.3 (Berkeley) 8/14/94
        !            55:  */
        !            56: 
        !            57: #ifndef        _FTS_H_
        !            58: #define        _FTS_H_
        !            59: 
        !            60: typedef struct {
        !            61:        struct _ftsent *fts_cur;        /* current node */
        !            62:        struct _ftsent *fts_child;      /* linked list of children */
        !            63:        struct _ftsent **fts_array;     /* sort array */
        !            64:        dev_t fts_dev;                  /* starting device # */
        !            65:        char *fts_path;                 /* path for this descent */
        !            66:        int fts_rfd;                    /* fd for root */
        !            67:        int fts_pathlen;                /* sizeof(path) */
        !            68:        int fts_nitems;                 /* elements in the sort array */
        !            69:        int (*fts_compar)();            /* compare function */
        !            70: 
        !            71: #define        FTS_COMFOLLOW   0x001           /* follow command line symlinks */
        !            72: #define        FTS_LOGICAL     0x002           /* logical walk */
        !            73: #define        FTS_NOCHDIR     0x004           /* don't change directories */
        !            74: #define        FTS_NOSTAT      0x008           /* don't get stat info */
        !            75: #define        FTS_PHYSICAL    0x010           /* physical walk */
        !            76: #define        FTS_SEEDOT      0x020           /* return dot and dot-dot */
        !            77: #define        FTS_XDEV        0x040           /* don't cross devices */
        !            78: #define        FTS_WHITEOUT    0x080           /* return whiteout information */
        !            79: #define        FTS_OPTIONMASK  0x0ff           /* valid user option mask */
        !            80: 
        !            81: #define        FTS_NAMEONLY    0x100           /* (private) child names only */
        !            82: #define        FTS_STOP        0x200           /* (private) unrecoverable error */
        !            83:        int fts_options;                /* fts_open options, global flags */
        !            84: } FTS;
        !            85: 
        !            86: typedef struct _ftsent {
        !            87:        struct _ftsent *fts_cycle;      /* cycle node */
        !            88:        struct _ftsent *fts_parent;     /* parent directory */
        !            89:        struct _ftsent *fts_link;       /* next file in directory */
        !            90:        long fts_number;                /* local numeric value */
        !            91:        void *fts_pointer;              /* local address value */
        !            92:        char *fts_accpath;              /* access path */
        !            93:        char *fts_path;                 /* root path */
        !            94:        int fts_errno;                  /* errno for this node */
        !            95:        int fts_symfd;                  /* fd for symlink */
        !            96:        u_short fts_pathlen;            /* strlen(fts_path) */
        !            97:        u_short fts_namelen;            /* strlen(fts_name) */
        !            98: 
        !            99:        ino_t fts_ino;                  /* inode */
        !           100:        dev_t fts_dev;                  /* device */
        !           101:        nlink_t fts_nlink;              /* link count */
        !           102: 
        !           103: #define        FTS_ROOTPARENTLEVEL     -1
        !           104: #define        FTS_ROOTLEVEL            0
        !           105:        short fts_level;                /* depth (-1 to N) */
        !           106: 
        !           107: #define        FTS_D            1              /* preorder directory */
        !           108: #define        FTS_DC           2              /* directory that causes cycles */
        !           109: #define        FTS_DEFAULT      3              /* none of the above */
        !           110: #define        FTS_DNR          4              /* unreadable directory */
        !           111: #define        FTS_DOT          5              /* dot or dot-dot */
        !           112: #define        FTS_DP           6              /* postorder directory */
        !           113: #define        FTS_ERR          7              /* error; errno is set */
        !           114: #define        FTS_F            8              /* regular file */
        !           115: #define        FTS_INIT         9              /* initialized only */
        !           116: #define        FTS_NS          10              /* stat(2) failed */
        !           117: #define        FTS_NSOK        11              /* no stat(2) requested */
        !           118: #define        FTS_SL          12              /* symbolic link */
        !           119: #define        FTS_SLNONE      13              /* symbolic link without target */
        !           120: #define        FTS_W           14              /* whiteout object */
        !           121:        u_short fts_info;               /* user flags for FTSENT structure */
        !           122: 
        !           123: #define        FTS_DONTCHDIR    0x01           /* don't chdir .. to the parent */
        !           124: #define        FTS_SYMFOLLOW    0x02           /* followed a symlink to get here */
        !           125: #define        FTS_ISW          0x04           /* this is a whiteout object */
        !           126:        u_short fts_flags;              /* private flags for FTSENT structure */
        !           127: 
        !           128: #define        FTS_AGAIN        1              /* read node again */
        !           129: #define        FTS_FOLLOW       2              /* follow symbolic link */
        !           130: #define        FTS_NOINSTR      3              /* no instructions */
        !           131: #define        FTS_SKIP         4              /* discard node */
        !           132:        u_short fts_instr;              /* fts_set() instructions */
        !           133: 
        !           134:        struct stat *fts_statp;         /* stat(2) information */
        !           135:        char fts_name[1];               /* file name */
        !           136: } FTSENT;
        !           137: 
        !           138: #include <sys/cdefs.h>
        !           139: 
        !           140: __BEGIN_DECLS
        !           141: FTSENT *fts_children __P((FTS *, int));
        !           142: int     fts_close __P((FTS *));
        !           143: FTS    *fts_open __P((char * const *, int,
        !           144:            int (*)(const FTSENT **, const FTSENT **)));
        !           145: FTSENT *fts_read __P((FTS *));
        !           146: int     fts_set __P((FTS *, FTSENT *, int));
        !           147: __END_DECLS
        !           148: 
        !           149: #endif /* !_FTS_H_ */

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