Add needed functions to glibc-compat for pkg

ports/glibc-compat/include/fts.h

+/*
+ * 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.
+ * 3. 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
+ * $FreeBSD: release/10.1.0/include/fts.h 250887 2013-05-21 21:20:10Z ed $
+ */
+
+#ifndef  _FTS_H_
+#define  _FTS_H_
+
+#include <sys/types.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 */
+  size_t fts_pathlen;    /* sizeof(path) */
+  size_t fts_nitems;    /* elements in the sort array */
+  int (*fts_compar)    /* compare function */
+      (const struct _ftsent * const *, const struct _ftsent * const *);
+
+#define  FTS_COMFOLLOW  0x001    /* follow command line symlinks */
+#define  FTS_LOGICAL  0x002    /* logical walk */
+#define  FTS_NOCHDIR  0x004    /* don't change directories */
+#define  FTS_NOSTAT  0x008    /* don't get stat info */
+#define  FTS_PHYSICAL  0x010    /* physical walk */
+#define  FTS_SEEDOT  0x020    /* return dot and dot-dot */
+#define  FTS_XDEV  0x040    /* don't cross devices */
+#define  FTS_WHITEOUT  0x080    /* return whiteout information */
+#define  FTS_OPTIONMASK  0x0ff    /* valid user option mask */
+
+#define  FTS_NAMEONLY  0x100    /* (private) child names only */
+#define  FTS_STOP  0x200    /* (private) unrecoverable error */
+  int fts_options;    /* fts_open options, global flags */
+  void *fts_clientptr;    /* thunk for sort function */
+} 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 long fts_number;    /* local numeric value */
+#define  fts_bignum  fts_number  /* XXX non-std, should go away */
+  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 */
+  size_t fts_pathlen;    /* strlen(fts_path) */
+  size_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
+  long 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 */
+  int fts_info;      /* user status for FTSENT structure */
+
+#define  FTS_DONTCHDIR   0x01    /* don't chdir .. to the parent */
+#define  FTS_SYMFOLLOW   0x02    /* followed a symlink to get here */
+#define  FTS_ISW     0x04    /* this is a whiteout object */
+  unsigned 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 */
+  int fts_instr;      /* fts_set() instructions */
+
+  struct stat *fts_statp;    /* stat(2) information */
+  char *fts_name;      /* file name */
+  FTS *fts_fts;      /* back pointer to main FTS */
+} FTSENT;
+
+#include <sys/cdefs.h>
+
+__BEGIN_DECLS
+FTSENT  *fts_children(FTS *, int);
+int   fts_close(FTS *);
+void  *fts_get_clientptr(FTS *);
+#define   fts_get_clientptr(fts)  ((fts)->fts_clientptr)
+FTS  *fts_get_stream(FTSENT *);
+#define   fts_get_stream(ftsent)  ((ftsent)->fts_fts)
+FTS  *fts_open(char * const *, int,
+      int (*)(const FTSENT * const *, const FTSENT * const *));
+FTSENT  *fts_read(FTS *);
+int   fts_set(FTS *, FTSENT *, int);
+void   fts_set_clientptr(FTS *, void *);
+__END_DECLS
+
+#endif /* !_FTS_H_ */