diff options
author | Panu Matilainen <pmatilai@redhat.com> | 2010-10-01 11:22:13 +0300 |
---|---|---|
committer | Panu Matilainen <pmatilai@redhat.com> | 2010-10-01 11:22:13 +0300 |
commit | 84747fb22e9ba75cc7c6aa2ad980ed3897f86772 (patch) | |
tree | ec88f9b633d440a1055d03038107fbf4906eb8b5 /misc/fts.h | |
parent | ecf7ce8b2b061a7b0b2cfa27183e7f64e8e3336b (diff) | |
download | rpm-84747fb22e9ba75cc7c6aa2ad980ed3897f86772.tar.gz rpm-84747fb22e9ba75cc7c6aa2ad980ed3897f86772.tar.bz2 rpm-84747fb22e9ba75cc7c6aa2ad980ed3897f86772.zip |
Stuff fts into a convenience library in misc/
- This is not really native rpm code but a copy of (glibc?) FTS
implementation, with slight modification to avoid symbol name
collisions. Stick it where the sun don't shine, we'd eventually
like to get rid of such bundled external code.
Diffstat (limited to 'misc/fts.h')
-rw-r--r-- | misc/fts.h | 209 |
1 files changed, 209 insertions, 0 deletions
diff --git a/misc/fts.h b/misc/fts.h new file mode 100644 index 000000000..47c650e7c --- /dev/null +++ b/misc/fts.h @@ -0,0 +1,209 @@ +/* + * Copyright (c) 1989, 1993 + * The Regents of the University of California. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * @(#)fts.h 8.3 (Berkeley) 8/14/94 + */ + +#ifndef _FTS_H +#define _FTS_H 1 + +#include <rpm/rpmutil.h> + +#if defined(__GLIBC__) +#include <features.h> +#else + +# define __THROW +#ifdef __cplusplus +# define __BEGIN_DECLS extern "C" { +# define __END_DECLS } +#else +# define __BEGIN_DECLS +# define __END_DECLS +#endif + +#if defined(hpux) +# define _D_EXACT_NAMLEN(d) ((d)->d_namlen) +# define _INCLUDE_POSIX_SOURCE +# define _LARGEFILE64_SOURCE +#endif + +#if defined(sun) +# define _D_EXACT_NAMLEN(d) ((d)->d_reclen) +#endif + +#if defined(__APPLE__) +# define _D_EXACT_NAMLEN(d) (strlen((d)->d_name)) +#endif + +#endif + +#include <sys/types.h> +#include <sys/stat.h> +#include <stdint.h> +#include <dirent.h> + +typedef struct { + struct _ftsent *fts_cur; /*!< current node */ + struct _ftsent *fts_child; /*!< linked list of children */ + struct _ftsent **fts_array; /*!< sort array */ + dev_t fts_dev; /*!< starting device # */ + char *fts_path; /*!< path for this descent */ + int fts_rfd; /*!< fd for root */ + int fts_pathlen; /*!< sizeof(path) */ + int fts_nitems; /*!< elements in the sort array */ + int (*fts_compar) (const void *, const void *); /*!< compare fn */ + + DIR * (*fts_opendir) (const char * path); + struct dirent * (*fts_readdir) (DIR * dir); + int (*fts_closedir) (DIR * dir); + int (*fts_stat) (const char * path, struct stat * st); + int (*fts_lstat) (const char * path, struct stat * st); + +#define FTS_COMFOLLOW 0x0001 /* follow command line symlinks */ +#define FTS_LOGICAL 0x0002 /* logical walk */ +#define FTS_NOCHDIR 0x0004 /* don't change directories */ +#define FTS_NOSTAT 0x0008 /* don't get stat info */ +#define FTS_PHYSICAL 0x0010 /* physical walk */ +#define FTS_SEEDOT 0x0020 /* return dot and dot-dot */ +#define FTS_XDEV 0x0040 /* don't cross devices */ +#define FTS_WHITEOUT 0x0080 /* return whiteout information */ +#define FTS_OPTIONMASK 0x00ff /* valid user option mask */ + +#define FTS_NAMEONLY 0x0100 /* (private) child names only */ +#define FTS_STOP 0x0200 /* (private) unrecoverable error */ + int fts_options; /*!< fts_open options, global flags */ +} FTS; + +typedef struct _ftsent { + struct _ftsent *fts_cycle; /*!< cycle node */ + struct _ftsent *fts_parent; /*!< parent directory */ + struct _ftsent *fts_link; /*!< next file in directory */ + long fts_number; /*!< local numeric value */ + void *fts_pointer; /*!< local address value */ + char *fts_accpath; /*!< access path */ + char *fts_path; /*!< root path */ + int fts_errno; /*!< errno for this node */ + int fts_symfd; /*!< fd for symlink */ + uint16_t fts_pathlen; /*!< strlen(fts_path) */ + uint16_t fts_namelen; /*!< strlen(fts_name) */ + + ino_t fts_ino; /*!< inode */ + dev_t fts_dev; /*!< device */ + nlink_t fts_nlink; /*!< link count */ + +#define FTS_ROOTPARENTLEVEL -1 +#define FTS_ROOTLEVEL 0 + short fts_level; /*!< depth (-1 to N) */ + +#define FTS_D 1 /* preorder directory */ +#define FTS_DC 2 /* directory that causes cycles */ +#define FTS_DEFAULT 3 /* none of the above */ +#define FTS_DNR 4 /* unreadable directory */ +#define FTS_DOT 5 /* dot or dot-dot */ +#define FTS_DP 6 /* postorder directory */ +#define FTS_ERR 7 /* error; errno is set */ +#define FTS_F 8 /* regular file */ +#define FTS_INIT 9 /* initialized only */ +#define FTS_NS 10 /* stat(2) failed */ +#define FTS_NSOK 11 /* no stat(2) requested */ +#define FTS_SL 12 /* symbolic link */ +#define FTS_SLNONE 13 /* symbolic link without target */ +#define FTS_W 14 /* whiteout object */ + uint16_t fts_info; /*!< user flags for FTSENT structure */ + +#define FTS_DONTCHDIR 0x01 /* don't chdir .. to the parent */ +#define FTS_SYMFOLLOW 0x02 /* followed a symlink to get here */ + uint16_t fts_flags; /*!< private flags for FTSENT structure */ + +#define FTS_AGAIN 1 /* read node again */ +#define FTS_FOLLOW 2 /* follow symbolic link */ +#define FTS_NOINSTR 3 /* no instructions */ +#define FTS_SKIP 4 /* discard node */ + uint16_t fts_instr; /*!< fts_set() instructions */ + + struct stat *fts_statp; /*!< stat(2) information */ + char fts_name[1]; /*!< file name */ +} FTSENT; + +__BEGIN_DECLS + +/** + * Return list of children of the current node. + * @param sp file hierarchy state + * @param instr + * @return file set member + */ +RPM_GNUC_INTERNAL +FTSENT *Fts_children (FTS * sp, int instr) __THROW +; + +/** + * Destroy a file hierarchy traversal handle. + * @param sp file hierarchy state + * @return 0 on sucess, -1 on error + */ +RPM_GNUC_INTERNAL +int Fts_close (FTS * sp) __THROW +; + +/** + * Create a handle for file hierarchy traversal. + * @param argv paths that compose a logical file hierarchy + * @param options traversal options + * @param compar traversal ordering (or NULL) + * @return file hierarchy state (or NULL on error) + */ +RPM_GNUC_INTERNAL +FTS *Fts_open (char * const * argv, int options, + int (*compar) (const FTSENT **, const FTSENT **)) __THROW + ; + +/** + * Return next node in the file hierarchy traversal. + * @param sp file hierarchy state + * @return file set member + */ +RPM_GNUC_INTERNAL +FTSENT *Fts_read (FTS * sp) __THROW +; + +/** + * Modify the traversal for a file set member. + * @param sp file hierarchy state + * @param p file set member + * @param instr new disposition for file set member + * @return 0 on sucess, -1 on error + */ +RPM_GNUC_INTERNAL +int Fts_set (FTS * sp, FTSENT * p, int instr) __THROW +; + +__END_DECLS + +#endif /* fts.h */ |