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authorGravatar Salvatore Cro <salvatore.cro at st.com>2011-04-20 12:49:25 +0200
committerGravatar Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>2011-04-20 12:50:38 +0200
commita4aa01c128b04c7174d57a28f61656f966d2bd6c (patch)
tree2783135b8c0322cbce4d502c7394bedcecfcbbbf /include
parent3a411b5d8a6c6311778e22280706047cd1a8c8d4 (diff)
downloaduClibc-a4aa01c128b04c7174d57a28f61656f966d2bd6c.tar.gz
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Added fts support for traversing UNIX file hierarchies.
It is required by libdwfl in elfutils package. Signed-off-by: Salvatore Cro <salvatore.cro at st.com> Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
Diffstat (limited to 'include')
-rw-r--r--include/fts.h131
1 files changed, 131 insertions, 0 deletions
diff --git a/include/fts.h b/include/fts.h
new file mode 100644
index 000000000..0a070ba8d
--- /dev/null
+++ b/include/fts.h
@@ -0,0 +1,131 @@
+/*
+ * 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 <features.h>
+#include <sys/types.h>
+
+/* The fts interface is incompatible with the LFS interface which
+ transparently uses the 64-bit file access functions. */
+#ifdef __USE_FILE_OFFSET64
+# error "<fts.h> cannot be used with -D_FILE_OFFSET_BITS==64"
+#endif
+
+
+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 */
+
+#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 */
+ u_short fts_pathlen; /* strlen(fts_path) */
+ u_short 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 */
+ u_short 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 */
+ u_short 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 */
+ u_short fts_instr; /* fts_set() instructions */
+
+ struct stat *fts_statp; /* stat(2) information */
+ char fts_name[1]; /* file name */
+} FTSENT;
+
+__BEGIN_DECLS
+FTSENT *fts_children (FTS *, int);
+int fts_close (FTS *);
+FTS *fts_open (char * const *, int,
+ int (*)(const FTSENT **, const FTSENT **));
+FTSENT *fts_read (FTS *);
+int fts_set (FTS *, FTSENT *, int) __THROW;
+__END_DECLS
+
+#endif /* fts.h */