207 lines
6.7 KiB
C
207 lines
6.7 KiB
C
/*
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* Copyright (c) 1989, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* @(#)fts.h 8.3 (Berkeley) 8/14/94
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*/
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#ifndef _FTS_H
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#define _FTS_H 1
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#include <rpm/rpmutil.h>
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#if defined(__GLIBC__)
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#include <features.h>
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#else
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# define __THROW
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#if !defined(_LARGEFILE64_SOURCE)
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# define _LARGEFILE64_SOURCE
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#endif
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#if !defined(_D_EXACT_NAMLEN)
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# define _D_EXACT_NAMLEN(d) (strlen((d)->d_name))
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#endif
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#if defined(hpux)
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# if !defined(_INCLUDE_POSIX_SOURCE)
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# define _INCLUDE_POSIX_SOURCE
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# endif
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#endif
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#endif
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <stdint.h>
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#include <dirent.h>
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typedef struct {
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struct _ftsent *fts_cur; /*!< current node */
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struct _ftsent *fts_child; /*!< linked list of children */
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struct _ftsent **fts_array; /*!< sort array */
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dev_t fts_dev; /*!< starting device # */
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char *fts_path; /*!< path for this descent */
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int fts_rfd; /*!< fd for root */
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int fts_pathlen; /*!< sizeof(path) */
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int fts_nitems; /*!< elements in the sort array */
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int (*fts_compar) (const void *, const void *); /*!< compare fn */
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DIR * (*fts_opendir) (const char * path);
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struct dirent * (*fts_readdir) (DIR * dir);
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int (*fts_closedir) (DIR * dir);
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int (*fts_stat) (const char * path, struct stat * st);
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int (*fts_lstat) (const char * path, struct stat * st);
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#define FTS_COMFOLLOW 0x0001 /* follow command line symlinks */
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#define FTS_LOGICAL 0x0002 /* logical walk */
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#define FTS_NOCHDIR 0x0004 /* don't change directories */
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#define FTS_NOSTAT 0x0008 /* don't get stat info */
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#define FTS_PHYSICAL 0x0010 /* physical walk */
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#define FTS_SEEDOT 0x0020 /* return dot and dot-dot */
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#define FTS_XDEV 0x0040 /* don't cross devices */
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#define FTS_WHITEOUT 0x0080 /* return whiteout information */
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#define FTS_OPTIONMASK 0x00ff /* valid user option mask */
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#define FTS_NAMEONLY 0x0100 /* (private) child names only */
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#define FTS_STOP 0x0200 /* (private) unrecoverable error */
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int fts_options; /*!< fts_open options, global flags */
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} FTS;
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typedef struct _ftsent {
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struct _ftsent *fts_cycle; /*!< cycle node */
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struct _ftsent *fts_parent; /*!< parent directory */
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struct _ftsent *fts_link; /*!< next file in directory */
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long fts_number; /*!< local numeric value */
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void *fts_pointer; /*!< local address value */
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char *fts_accpath; /*!< access path */
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char *fts_path; /*!< root path */
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int fts_errno; /*!< errno for this node */
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int fts_symfd; /*!< fd for symlink */
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uint16_t fts_pathlen; /*!< strlen(fts_path) */
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uint16_t fts_namelen; /*!< strlen(fts_name) */
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ino_t fts_ino; /*!< inode */
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dev_t fts_dev; /*!< device */
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nlink_t fts_nlink; /*!< link count */
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#define FTS_ROOTPARENTLEVEL -1
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#define FTS_ROOTLEVEL 0
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short fts_level; /*!< depth (-1 to N) */
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#define FTS_D 1 /* preorder directory */
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#define FTS_DC 2 /* directory that causes cycles */
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#define FTS_DEFAULT 3 /* none of the above */
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#define FTS_DNR 4 /* unreadable directory */
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#define FTS_DOT 5 /* dot or dot-dot */
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#define FTS_DP 6 /* postorder directory */
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#define FTS_ERR 7 /* error; errno is set */
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#define FTS_F 8 /* regular file */
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#define FTS_INIT 9 /* initialized only */
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#define FTS_NS 10 /* stat(2) failed */
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#define FTS_NSOK 11 /* no stat(2) requested */
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#define FTS_SL 12 /* symbolic link */
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#define FTS_SLNONE 13 /* symbolic link without target */
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#define FTS_W 14 /* whiteout object */
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uint16_t fts_info; /*!< user flags for FTSENT structure */
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#define FTS_DONTCHDIR 0x01 /* don't chdir .. to the parent */
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#define FTS_SYMFOLLOW 0x02 /* followed a symlink to get here */
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uint16_t fts_flags; /*!< private flags for FTSENT structure */
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#define FTS_AGAIN 1 /* read node again */
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#define FTS_FOLLOW 2 /* follow symbolic link */
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#define FTS_NOINSTR 3 /* no instructions */
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#define FTS_SKIP 4 /* discard node */
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uint16_t fts_instr; /*!< fts_set() instructions */
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struct stat *fts_statp; /*!< stat(2) information */
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char fts_name[1]; /*!< file name */
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} FTSENT;
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#ifdef __cplusplus
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extern "C" {
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#endif
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/**
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* Return list of children of the current node.
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* @param sp file hierarchy state
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* @param instr
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* @return file set member
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*/
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RPM_GNUC_INTERNAL
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FTSENT *Fts_children (FTS * sp, int instr) __THROW
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;
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/**
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* Destroy a file hierarchy traversal handle.
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* @param sp file hierarchy state
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* @return 0 on success, -1 on error
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*/
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RPM_GNUC_INTERNAL
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int Fts_close (FTS * sp) __THROW
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;
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/**
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* Create a handle for file hierarchy traversal.
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* @param argv paths that compose a logical file hierarchy
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* @param options traversal options
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* @param compar traversal ordering (or NULL)
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* @return file hierarchy state (or NULL on error)
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*/
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RPM_GNUC_INTERNAL
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FTS *Fts_open (char * const * argv, int options,
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int (*compar) (const FTSENT **, const FTSENT **)) __THROW
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;
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/**
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* Return next node in the file hierarchy traversal.
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* @param sp file hierarchy state
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* @return file set member
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*/
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RPM_GNUC_INTERNAL
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FTSENT *Fts_read (FTS * sp) __THROW
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;
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/**
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* Modify the traversal for a file set member.
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* @param sp file hierarchy state
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* @param p file set member
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* @param instr new disposition for file set member
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* @return 0 on success, -1 on error
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*/
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RPM_GNUC_INTERNAL
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int Fts_set (FTS * sp, FTSENT * p, int instr) __THROW
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;
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#ifdef __cplusplus
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}
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#endif
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#endif /* fts.h */
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