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rpmio/fts.h

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00001 /*
00002  * Copyright (c) 1989, 1993
00003  *      The Regents of the University of California.  All rights reserved.
00004  *
00005  * Redistribution and use in source and binary forms, with or without
00006  * modification, are permitted provided that the following conditions
00007  * are met:
00008  * 1. Redistributions of source code must retain the above copyright
00009  *    notice, this list of conditions and the following disclaimer.
00010  * 2. Redistributions in binary form must reproduce the above copyright
00011  *    notice, this list of conditions and the following disclaimer in the
00012  *    documentation and/or other materials provided with the distribution.
00013  * 4. Neither the name of the University nor the names of its contributors
00014  *    may be used to endorse or promote products derived from this software
00015  *    without specific prior written permission.
00016  *
00017  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
00018  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
00019  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
00020  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
00021  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
00022  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
00023  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
00024  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
00025  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
00026  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
00027  * SUCH DAMAGE.
00028  *
00029  *      @(#)fts.h       8.3 (Berkeley) 8/14/94
00030  */
00031 
00032 #ifndef _FTS_H
00033 #define _FTS_H 1
00034 
00035 #if defined(__GLIBC__)
00036 #include <features.h>
00037 #else
00038 #   define __THROW
00039 #if defined(hpux) || defined(__hpux)
00040 # define        _INCLUDE_POSIX_SOURCE
00041 # define        _LARGEFILE64_SOURCE
00042 #endif
00043 #endif
00044 
00045 #include <sys/types.h>
00046 #include <sys/stat.h>
00047 #include <dirent.h>
00048 
00049 typedef struct {
00050 /*@owned@*/ /*@relnull@*/
00051         struct _ftsent *fts_cur;        
00052 /*@owned@*/ /*@null@*/
00053         struct _ftsent *fts_child;      
00054 /*@owned@*/ /*@null@*/
00055         struct _ftsent **fts_array;     
00056         dev_t fts_dev;                  
00057 /*@owned@*/ /*@relnull@*/
00058         char *fts_path;                 
00059         int fts_rfd;                    
00060         int fts_pathlen;                
00061         int fts_nitems;                 
00062 /*@null@*/
00063         int (*fts_compar) (const void *, const void *)
00064                 /*@*/;                  
00066         DIR * (*fts_opendir) (const char * path)
00067                 /*@globals fileSystem @*/
00068                 /*@modifies fileSystem @*/;
00069         struct dirent * (*fts_readdir) (DIR * dir)
00070                 /*@globals fileSystem @*/
00071                 /*@modifies *dir, fileSystem @*/;
00072         int (*fts_closedir) (/*@only@*/ DIR * dir)
00073                 /*@globals fileSystem @*/
00074                 /*@modifies *dir, fileSystem @*/;
00075         int (*fts_stat) (const char * path, /*@out@*/ struct stat * st)
00076                 /*@globals fileSystem @*/
00077                 /*@modifies *st, fileSystem @*/;
00078         int (*fts_lstat) (const char * path, /*@out@*/ struct stat * st)
00079                 /*@globals fileSystem @*/
00080                 /*@modifies *st, fileSystem @*/;
00081 
00082 #define FTS_COMFOLLOW   0x0001          /* follow command line symlinks */
00083 #define FTS_LOGICAL     0x0002          /* logical walk */
00084 #define FTS_NOCHDIR     0x0004          /* don't change directories */
00085 #define FTS_NOSTAT      0x0008          /* don't get stat info */
00086 #define FTS_PHYSICAL    0x0010          /* physical walk */
00087 #define FTS_SEEDOT      0x0020          /* return dot and dot-dot */
00088 #define FTS_XDEV        0x0040          /* don't cross devices */
00089 #define FTS_WHITEOUT    0x0080          /* return whiteout information */
00090 #define FTS_OPTIONMASK  0x00ff          /* valid user option mask */
00091 
00092 #define FTS_NAMEONLY    0x0100          /* (private) child names only */
00093 #define FTS_STOP        0x0200          /* (private) unrecoverable error */
00094         int fts_options;                
00095 } FTS;
00096 
00097 typedef struct _ftsent {
00098 /*@dependent@*/
00099         struct _ftsent *fts_cycle;      
00100 /*@dependent@*/ /*@relnull@*/
00101         struct _ftsent *fts_parent;     
00102 /*@dependent@*/ /*@null@*/
00103         struct _ftsent *fts_link;       
00104         long fts_number;                
00105 /*@null@*/
00106         void *fts_pointer;              
00107 /*@dependent@*/
00108         char *fts_accpath;              
00109 /*@dependent@*/
00110         char *fts_path;                 
00111         int fts_errno;                  
00112         int fts_symfd;                  
00113         u_short fts_pathlen;            
00114         u_short fts_namelen;            
00116         ino_t fts_ino;                  
00117         dev_t fts_dev;                  
00118         nlink_t fts_nlink;              
00120 #define FTS_ROOTPARENTLEVEL     -1
00121 #define FTS_ROOTLEVEL            0
00122         short fts_level;                
00124 #define FTS_D            1              /* preorder directory */
00125 #define FTS_DC           2              /* directory that causes cycles */
00126 #define FTS_DEFAULT      3              /* none of the above */
00127 #define FTS_DNR          4              /* unreadable directory */
00128 #define FTS_DOT          5              /* dot or dot-dot */
00129 #define FTS_DP           6              /* postorder directory */
00130 #define FTS_ERR          7              /* error; errno is set */
00131 #define FTS_F            8              /* regular file */
00132 #define FTS_INIT         9              /* initialized only */
00133 #define FTS_NS          10              /* stat(2) failed */
00134 #define FTS_NSOK        11              /* no stat(2) requested */
00135 #define FTS_SL          12              /* symbolic link */
00136 #define FTS_SLNONE      13              /* symbolic link without target */
00137 #define FTS_W           14              /* whiteout object */
00138         u_short fts_info;               
00140 #define FTS_DONTCHDIR    0x01           /* don't chdir .. to the parent */
00141 #define FTS_SYMFOLLOW    0x02           /* followed a symlink to get here */
00142         u_short fts_flags;              
00144 #define FTS_AGAIN        1              /* read node again */
00145 #define FTS_FOLLOW       2              /* follow symbolic link */
00146 #define FTS_NOINSTR      3              /* no instructions */
00147 #define FTS_SKIP         4              /* discard node */
00148         u_short fts_instr;              
00150 /*@dependent@*/
00151         struct stat *fts_statp;         
00152         char fts_name[1];               
00153 } FTSENT;
00154 
00155 #ifdef __cplusplus
00156 extern "C" {
00157 #endif
00158 
00165 /*@dependent@*/ /*@null@*/
00166 FTSENT  *Fts_children (FTS * sp, int instr) __THROW
00167         /*@globals fileSystem, internalState @*/
00168         /*@modifies *sp, fileSystem, internalState @*/;
00169 
00175 int      Fts_close (/*@only@*/ /*@null@*/ FTS * sp) __THROW
00176         /*@globals fileSystem, internalState @*/
00177         /*@modifies *sp, fileSystem, internalState @*/;
00178 
00186 /*@only@*/ /*@null@*/
00187 FTS     *Fts_open (char * const * argv, int options,
00188                    /*@null@*/
00189                    int (*compar) (const FTSENT **, const FTSENT **)) __THROW
00190         /*@*/;
00191 
00197 /*@null@*/
00198 FTSENT  *Fts_read (/*@null@*/ FTS * sp) __THROW
00199         /*@globals fileSystem, internalState @*/
00200         /*@modifies *sp, fileSystem, internalState @*/;
00201 
00209 int      Fts_set (FTS * sp, FTSENT * p, int instr) __THROW
00210         /*@modifies *p @*/;
00211 
00212 #ifdef __cplusplus      
00213 }
00214 #endif
00215 
00216 #endif /* fts.h */

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