Tizen 2.0 Releasesubmit/tizen_2.0/20130215.192417accepted/tizen_2.0/20130215.204927tizen_2.0

1 files changed, 1160 insertions, 0 deletions

diff --git a/misc/glob.c b/misc/glob.c
new file mode 100644
index 0000000..3bebe9e
--- /dev/null
+++ b/misc/glob.c
@@ -0,0 +1,1160 @@
+
+/* Copyright (C) 1991,92,93,94,95,96,97,98,99 Free Software Foundation, Inc.
+
+   This library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public License as
+   published by the Free Software Foundation; either version 2 of the
+   License, or (at your option) any later version.
+
+   This library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with this library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
+/* AIX requires this to be the first thing in the file.  */
+#if defined _AIX && !defined __GNUC__
+ #pragma alloca
+#endif
+
+
+# include "system.h"
+
+# include <stdlib.h>
+# include <string.h>
+# include <pwd.h>
+# include <assert.h>
+# include <sys/stat.h>		/* S_ISDIR */
+
+#define	__alloca	alloca
+#define	__stat		stat
+#define	NAMLEN(_d)	NLENGTH(_d)
+
+#if (defined POSIX || defined WINDOWS32) && !defined __GNU_LIBRARY__
+/* Posix does not require that the d_ino field be present, and some
+   systems do not provide it. */
+# define REAL_DIR_ENTRY(dp) 1
+#else
+# define REAL_DIR_ENTRY(dp) (dp->d_ino != 0)
+#endif /* POSIX */
+
+#include <errno.h>
+#ifndef __set_errno
+# define __set_errno(val) errno = (val)
+#endif
+
+/* Outcomment the following line for production quality code.  */
+/* #define NDEBUG 1 */
+
+#define GLOB_INTERFACE_VERSION 1
+
+static inline const char *next_brace_sub __P ((const char *begin));
+static int glob_in_dir __P ((const char *pattern, const char *directory,
+			     int flags,
+			     int (*errfunc) (const char *, int),
+			     glob_t *pglob));
+static int prefix_array __P ((const char *prefix, char **array, size_t n));
+static int collated_compare __P ((const __ptr_t, const __ptr_t));
+
+
+/* Find the end of the sub-pattern in a brace expression.  We define
+   this as an inline function if the compiler permits.  */
+static inline const char *
+next_brace_sub (const char *begin)
+{
+  unsigned int depth = 0;
+  const char *cp = begin;
+
+  while (1)
+    {
+      if (depth == 0)
+	{
+	  if (*cp != ',' && *cp != '}' && *cp != '\0')
+	    {
+	      if (*cp == '{')
+		++depth;
+	      ++cp;
+	      continue;
+	    }
+	}
+      else
+	{
+	  while (*cp != '\0' && (*cp != '}' || depth > 0))
+	    {
+	      if (*cp == '}')
+		--depth;
+	      ++cp;
+	    }
+	  if (*cp == '\0')
+	    /* An incorrectly terminated brace expression.  */
+	    return NULL;
+
+	  continue;
+	}
+      break;
+    }
+
+  return cp;
+}
+
+static int __glob_pattern_p (const char *pattern, int quote);
+
+/* Do glob searching for PATTERN, placing results in PGLOB.
+   The bits defined above may be set in FLAGS.
+   If a directory cannot be opened or read and ERRFUNC is not nil,
+   it is called with the pathname that caused the error, and the
+   `errno' value from the failing call; if it returns non-zero
+   `glob' returns GLOB_ABORTED; if it returns zero, the error is ignored.
+   If memory cannot be allocated for PGLOB, GLOB_NOSPACE is returned.
+   Otherwise, `glob' returns zero.  */
+int
+glob (const char *pattern, int flags,
+	int (*errfunc) __P ((const char *, int)), glob_t *pglob)
+{
+  const char *filename;
+  const char *dirname;
+  size_t dirlen;
+  int status;
+  int oldcount;
+
+  if (pattern == NULL || pglob == NULL || (flags & ~__GLOB_FLAGS) != 0)
+    {
+      __set_errno (EINVAL);
+      return -1;
+    }
+
+  if (flags & GLOB_BRACE)
+    {
+      const char *begin = strchr (pattern, '{');
+      if (begin != NULL)
+	{
+	  /* Allocate working buffer large enough for our work.  Note that
+	    we have at least an opening and closing brace.  */
+	  int firstc;
+	  char *alt_start;
+	  const char *p;
+	  const char *next;
+	  const char *rest;
+	  size_t rest_len;
+#ifdef __GNUC__
+	  char onealt[strlen (pattern) - 1];
+#else
+	  char *onealt = (char *) xmalloc (strlen (pattern) - 1);
+	  if (onealt == NULL)
+	    {
+	      if (!(flags & GLOB_APPEND))
+		globfree (pglob);
+	      return GLOB_NOSPACE;
+	    }
+#endif
+
+	  /* We know the prefix for all sub-patterns.  */
+#ifdef HAVE_MEMPCPY
+	  alt_start = mempcpy (onealt, pattern, begin - pattern);
+#else
+	  memcpy (onealt, pattern, begin - pattern);
+	  alt_start = &onealt[begin - pattern];
+#endif
+
+	  /* Find the first sub-pattern and at the same time find the
+	     rest after the closing brace.  */
+	  next = next_brace_sub (begin + 1);
+	  if (next == NULL)
+	    {
+	      /* It is an illegal expression.  */
+#ifndef __GNUC__
+	      free (onealt);
+#endif
+	      return glob (pattern, flags & ~GLOB_BRACE, errfunc, pglob);
+	    }
+
+	  /* Now find the end of the whole brace expression.  */
+	  rest = next;
+	  while (*rest != '}')
+	    {
+	      rest = next_brace_sub (rest + 1);
+	      if (rest == NULL)
+		{
+		  /* It is an illegal expression.  */
+#ifndef __GNUC__
+		  free (onealt);
+#endif
+		  return glob (pattern, flags & ~GLOB_BRACE, errfunc, pglob);
+		}
+	    }
+	  /* Please note that we now can be sure the brace expression
+	     is well-formed.  */
+	  rest_len = strlen (++rest) + 1;
+
+	  /* We have a brace expression.  BEGIN points to the opening {,
+	     NEXT points past the terminator of the first element, and END
+	     points past the final }.  We will accumulate result names from
+	     recursive runs for each brace alternative in the buffer using
+	     GLOB_APPEND.  */
+
+	  if (!(flags & GLOB_APPEND))
+	    {
+	      /* This call is to set a new vector, so clear out the
+		 vector so we can append to it.  */
+	      pglob->gl_pathc = 0;
+	      pglob->gl_pathv = NULL;
+	    }
+	  firstc = pglob->gl_pathc;
+
+	  p = begin + 1;
+	  while (1)
+	    {
+	      int result;
+
+	      /* Construct the new glob expression.  */
+#ifdef HAVE_MEMPCPY
+	      mempcpy (mempcpy (alt_start, p, next - p), rest, rest_len);
+#else
+	      memcpy (alt_start, p, next - p);
+	      memcpy (&alt_start[next - p], rest, rest_len);
+#endif
+
+	      result = glob (onealt,
+			     ((flags & ~(GLOB_NOCHECK|GLOB_NOMAGIC))
+			      | GLOB_APPEND), errfunc, pglob);
+
+	      /* If we got an error, return it.  */
+	      if (result && result != GLOB_NOMATCH)
+		{
+#ifndef __GNUC__
+		  free (onealt);
+#endif
+		  if (!(flags & GLOB_APPEND))
+		    globfree (pglob);
+		  return result;
+		}
+
+	      if (*next == '}')
+		/* We saw the last entry.  */
+		break;
+
+	      p = next + 1;
+	      next = next_brace_sub (p);
+	      assert (next != NULL);
+	    }
+
+#ifndef __GNUC__
+	  free (onealt);
+#endif
+
+	  if (pglob->gl_pathc != firstc)
+	    /* We found some entries.  */
+	    return 0;
+	  else if (!(flags & (GLOB_NOCHECK|GLOB_NOMAGIC)))
+	    return GLOB_NOMATCH;
+	}
+    }
+
+  /* Find the filename.  */
+  filename = strrchr (pattern, '/');
+#if defined __MSDOS__ || defined WINDOWS32
+  /* The case of "d:pattern".  Since `:' is not allowed in
+     file names, we can safely assume that wherever it
+     happens in pattern, it signals the filename part.  This
+     is so we could some day support patterns like "[a-z]:foo".  */
+  if (filename == NULL)
+    filename = strchr (pattern, ':');
+#endif /* __MSDOS__ || WINDOWS32 */
+  if (filename == NULL)
+    {
+      /* This can mean two things: a simple name or "~name".  The latter
+	 case is nothing but a notation for a directory.  */
+      if ((flags & (GLOB_TILDE|GLOB_TILDE_CHECK)) && pattern[0] == '~')
+	{
+	  dirname = pattern;
+	  dirlen = strlen (pattern);
+
+	  /* Set FILENAME to NULL as a special flag.  This is ugly but
+	     other solutions would require much more code.  We test for
+	     this special case below.  */
+	  filename = NULL;
+	}
+      else
+	{
+	  filename = pattern;
+#ifdef _AMIGA
+	  dirname = "";
+#else
+	  dirname = ".";
+#endif
+	  dirlen = 0;
+	}
+    }
+  else if (filename == pattern)
+    {
+      /* "/pattern".  */
+      dirname = "/";
+      dirlen = 1;
+      ++filename;
+    }
+  else
+    {
+      char *newp;
+      dirlen = filename - pattern;
+#if defined __MSDOS__ || defined WINDOWS32
+      if (*filename == ':'
+	  || (filename > pattern + 1 && filename[-1] == ':'))
+	{
+	  char *drive_spec;
+
+	  ++dirlen;
+	  drive_spec = (char *) __alloca (dirlen + 1);
+#ifdef HAVE_MEMPCPY
+	  *((char *) mempcpy (drive_spec, pattern, dirlen)) = '\0';
+#else
+	  memcpy (drive_spec, pattern, dirlen);
+	  drive_spec[dirlen] = '\0';
+#endif
+	  /* For now, disallow wildcards in the drive spec, to
+	     prevent infinite recursion in glob.  */
+	  if (__glob_pattern_p (drive_spec, !(flags & GLOB_NOESCAPE)))
+	    return GLOB_NOMATCH;
+	  /* If this is "d:pattern", we need to copy `:' to DIRNAME
+	     as well.  If it's "d:/pattern", don't remove the slash
+	     from "d:/", since "d:" and "d:/" are not the same.*/
+	}
+#endif
+      newp = (char *) __alloca (dirlen + 1);
+#ifdef HAVE_MEMPCPY
+      *((char *) mempcpy (newp, pattern, dirlen)) = '\0';
+#else
+      memcpy (newp, pattern, dirlen);
+      newp[dirlen] = '\0';
+#endif
+      dirname = newp;
+      ++filename;
+
+      if (filename[0] == '\0'
+#if defined __MSDOS__ || defined WINDOWS32
+          && dirname[dirlen - 1] != ':'
+	  && (dirlen < 3 || dirname[dirlen - 2] != ':'
+	      || dirname[dirlen - 1] != '/')
+#endif
+	  && dirlen > 1)
+	/* "pattern/".  Expand "pattern", appending slashes.  */
+	{
+	  int val = glob (dirname, flags | GLOB_MARK, errfunc, pglob);
+	  if (val == 0)
+	    pglob->gl_flags = ((pglob->gl_flags & ~GLOB_MARK)
+			       | (flags & GLOB_MARK));
+	  return val;
+	}
+    }
+
+  if (!(flags & GLOB_APPEND))
+    {
+      pglob->gl_pathc = 0;
+      pglob->gl_pathv = NULL;
+    }
+
+  oldcount = pglob->gl_pathc;
+
+#ifndef VMS
+  if ((flags & (GLOB_TILDE|GLOB_TILDE_CHECK)) && dirname[0] == '~')
+    {
+      if (dirname[1] == '\0' || dirname[1] == '/')
+	{
+	  /* Look up home directory.  */
+	  const char *home_dir = getenv ("HOME");
+# ifdef _AMIGA
+	  if (home_dir == NULL || home_dir[0] == '\0')
+	    home_dir = "SYS:";
+# else
+#  ifdef WINDOWS32
+	  if (home_dir == NULL || home_dir[0] == '\0')
+            home_dir = "c:/users/default"; /* poor default */
+#  else
+	  if (home_dir == NULL || home_dir[0] == '\0')
+	    {
+	      int success;
+	      char *name;
+#   if defined HAVE_GETLOGIN_R || defined _LIBC
+	      size_t buflen = sysconf (_SC_LOGIN_NAME_MAX) + 1;
+
+	      if (buflen == 0)
+		/* `sysconf' does not support _SC_LOGIN_NAME_MAX.  Try
+		   a moderate value.  */
+		buflen = 20;
+	      name = (char *) __alloca (buflen);
+
+	      success = getlogin_r (name, buflen) >= 0;
+#   else
+	      success = (name = getlogin ()) != NULL;
+#   endif
+	      if (success)
+		{
+		  struct passwd *p;
+#   if defined HAVE_GETPWNAM_R || defined _LIBC
+		  size_t pwbuflen = sysconf (_SC_GETPW_R_SIZE_MAX);
+		  char *pwtmpbuf;
+		  struct passwd pwbuf;
+		  int save = errno;
+
+		  if (pwbuflen == -1)
+		    /* `sysconf' does not support _SC_GETPW_R_SIZE_MAX.
+		       Try a moderate value.  */
+		    pwbuflen = 1024;
+		  pwtmpbuf = (char *) __alloca (pwbuflen);
+
+		  while (getpwnam_r (name, &pwbuf, pwtmpbuf, pwbuflen, &p)
+			 != 0)
+		    {
+		      if (errno != ERANGE)
+			{
+			  p = NULL;
+			  break;
+			}
+		      pwbuflen *= 2;
+		      pwtmpbuf = (char *) __alloca (pwbuflen);
+		      __set_errno (save);
+		    }
+#   else
+		  p = getpwnam (name);
+#   endif
+		  if (p != NULL)
+		    home_dir = p->pw_dir;
+		}
+	    }
+	  if (home_dir == NULL || home_dir[0] == '\0')
+	    {
+	      if (flags & GLOB_TILDE_CHECK)
+		return GLOB_NOMATCH;
+	      else
+		home_dir = "~"; /* No luck.  */
+	    }
+#  endif /* WINDOWS32 */
+# endif
+	  /* Now construct the full directory.  */
+	  if (dirname[1] == '\0')
+	    dirname = home_dir;
+	  else
+	    {
+	      char *newp;
+	      size_t home_len = strlen (home_dir);
+	      newp = (char *) __alloca (home_len + dirlen);
+# ifdef HAVE_MEMPCPY
+	      mempcpy (mempcpy (newp, home_dir, home_len),
+		       &dirname[1], dirlen);
+# else
+	      memcpy (newp, home_dir, home_len);
+	      memcpy (&newp[home_len], &dirname[1], dirlen);
+# endif
+	      dirname = newp;
+	    }
+	}
+# if !defined _AMIGA && !defined WINDOWS32
+      else
+	{
+	  char *end_name = strchr (dirname, '/');
+	  const char *user_name;
+	  const char *home_dir;
+
+	  if (end_name == NULL)
+	    user_name = dirname + 1;
+	  else
+	    {
+	      char *newp;
+	      newp = (char *) __alloca (end_name - dirname);
+# ifdef HAVE_MEMPCPY
+	      *((char *) mempcpy (newp, dirname + 1, end_name - dirname))
+		= '\0';
+# else
+	      memcpy (newp, dirname + 1, end_name - dirname);
+	      newp[end_name - dirname - 1] = '\0';
+# endif
+	      user_name = newp;
+	    }
+
+	  /* Look up specific user's home directory.  */
+	  {
+	    struct passwd *p;
+#  if defined HAVE_GETPWNAM_R || defined _LIBC
+	    size_t buflen = sysconf (_SC_GETPW_R_SIZE_MAX);
+	    char *pwtmpbuf;
+	    struct passwd pwbuf;
+	    int save = errno;
+
+	    if (buflen == -1)
+	      /* `sysconf' does not support _SC_GETPW_R_SIZE_MAX.  Try a
+		 moderate value.  */
+	      buflen = 1024;
+	    pwtmpbuf = (char *) __alloca (buflen);
+
+	    while (getpwnam_r (user_name, &pwbuf, pwtmpbuf, buflen, &p) != 0)
+	      {
+		if (errno != ERANGE)
+		  {
+		    p = NULL;
+		    break;
+		  }
+		buflen *= 2;
+		pwtmpbuf = __alloca (buflen);
+		__set_errno (save);
+	      }
+#  else
+	    p = getpwnam (user_name);
+#  endif
+	    if (p != NULL)
+	      home_dir = p->pw_dir;
+	    else
+	      home_dir = NULL;
+	  }
+	  /* If we found a home directory use this.  */
+	  if (home_dir != NULL)
+	    {
+	      char *newp;
+	      size_t home_len = strlen (home_dir);
+	      size_t rest_len = end_name == NULL ? 0 : strlen (end_name);
+	      newp = (char *) __alloca (home_len + rest_len + 1);
+#  ifdef HAVE_MEMPCPY
+	      *((char *) mempcpy (mempcpy (newp, home_dir, home_len),
+				  end_name, rest_len)) = '\0';
+#  else
+	      memcpy (newp, home_dir, home_len);
+	      memcpy (&newp[home_len], end_name, rest_len);
+	      newp[home_len + rest_len] = '\0';
+#  endif
+	      dirname = newp;
+	    }
+	  else
+	    if (flags & GLOB_TILDE_CHECK)
+	      /* We have to regard it as an error if we cannot find the
+		 home directory.  */
+	      return GLOB_NOMATCH;
+	}
+# endif	/* Not Amiga && not WINDOWS32.  */
+    }
+#endif	/* Not VMS.  */
+
+  /* Now test whether we looked for "~" or "~NAME".  In this case we
+     can give the answer now.  */
+  if (filename == NULL)
+    {
+      struct stat st;
+
+      /* Return the directory if we don't check for error or if it exists.  */
+      if ((flags & GLOB_NOCHECK)
+	  || (((flags & GLOB_ALTDIRFUNC)
+	       ? (*pglob->gl_stat) (dirname, &st)
+	       : __stat (dirname, &st)) == 0
+	      && S_ISDIR (st.st_mode)))
+	{
+	  pglob->gl_pathv
+	    = (char **) xrealloc (pglob->gl_pathv,
+				 (pglob->gl_pathc +
+				  ((flags & GLOB_DOOFFS) ?
+				   pglob->gl_offs : 0) +
+				  1 + 1) *
+				 sizeof (char *));
+	  if (pglob->gl_pathv == NULL)
+	    return GLOB_NOSPACE;
+
+	  if (flags & GLOB_DOOFFS)
+	    while (pglob->gl_pathc < pglob->gl_offs)
+	      pglob->gl_pathv[pglob->gl_pathc++] = NULL;
+
+#if defined HAVE_STRDUP || defined _LIBC
+	  pglob->gl_pathv[pglob->gl_pathc] = xstrdup (dirname);
+#else
+	  {
+	    size_t len = strlen (dirname) + 1;
+	    char *dircopy = xmalloc (len);
+	    if (dircopy != NULL)
+	      pglob->gl_pathv[pglob->gl_pathc] = memcpy (dircopy, dirname,
+							 len);
+	  }
+#endif
+	  if (pglob->gl_pathv[pglob->gl_pathc] == NULL)
+	    {
+	      free (pglob->gl_pathv);
+	      return GLOB_NOSPACE;
+	    }
+	  pglob->gl_pathv[++pglob->gl_pathc] = NULL;
+	  pglob->gl_flags = flags;
+
+	  return 0;
+	}
+
+      /* Not found.  */
+      return GLOB_NOMATCH;
+    }
+
+  if (__glob_pattern_p (dirname, !(flags & GLOB_NOESCAPE)))
+    {
+      /* The directory name contains metacharacters, so we
+	 have to glob for the directory, and then glob for
+	 the pattern in each directory found.  */
+      glob_t dirs;
+      register int i;
+
+      if ((flags & GLOB_ALTDIRFUNC) != 0)
+	{
+	  /* Use the alternative access functions also in the recursive
+	     call.  */
+	  dirs.gl_opendir = pglob->gl_opendir;
+	  dirs.gl_readdir = pglob->gl_readdir;
+	  dirs.gl_closedir = pglob->gl_closedir;
+	  dirs.gl_stat = pglob->gl_stat;
+	  dirs.gl_lstat = pglob->gl_lstat;
+	}
+
+      status = glob (dirname,
+		     ((flags & (GLOB_ERR | GLOB_NOCHECK | GLOB_NOESCAPE
+				| GLOB_ALTDIRFUNC))
+		      | GLOB_NOSORT | GLOB_ONLYDIR),
+		     errfunc, &dirs);
+      if (status != 0)
+	return status;
+
+      /* We have successfully globbed the preceding directory name.
+	 For each name we found, call glob_in_dir on it and FILENAME,
+	 appending the results to PGLOB.  */
+      for (i = 0; i < dirs.gl_pathc; ++i)
+	{
+	  int old_pathc;
+
+#ifdef	SHELL
+	  {
+	    /* Make globbing interruptible in the bash shell. */
+	    extern int interrupt_state;
+
+	    if (interrupt_state)
+	      {
+		globfree (&dirs);
+		globfree (&files);
+		return GLOB_ABORTED;
+	      }
+	  }
+#endif /* SHELL.  */
+
+	  old_pathc = pglob->gl_pathc;
+	  status = glob_in_dir (filename, dirs.gl_pathv[i],
+				((flags | GLOB_APPEND)
+				 & ~(GLOB_NOCHECK | GLOB_ERR)),
+				errfunc, pglob);
+	  if (status == GLOB_NOMATCH)
+	    /* No matches in this directory.  Try the next.  */
+	    continue;
+
+	  if (status != 0)
+	    {
+	      globfree (&dirs);
+	      globfree (pglob);
+	      return status;
+	    }
+
+	  /* Stick the directory on the front of each name.  */
+	  if (prefix_array (dirs.gl_pathv[i],
+			    &pglob->gl_pathv[old_pathc],
+			    pglob->gl_pathc - old_pathc))
+	    {
+	      globfree (&dirs);
+	      globfree (pglob);
+	      return GLOB_NOSPACE;
+	    }
+	}
+
+      flags |= GLOB_MAGCHAR;
+
+      /* We have ignored the GLOB_NOCHECK flag in the `glob_in_dir' calls.
+	 But if we have not found any matching entry and thie GLOB_NOCHECK
+	 flag was set we must return the list consisting of the disrectory
+	 names followed by the filename.  */
+      if (pglob->gl_pathc == oldcount)
+	{
+	  /* No matches.  */
+	  if (flags & GLOB_NOCHECK)
+	    {
+	      size_t filename_len = strlen (filename) + 1;
+	      char **new_pathv;
+	      struct stat st;
+
+	      /* This is an pessimistic guess about the size.  */
+	      pglob->gl_pathv
+		= (char **) xrealloc (pglob->gl_pathv,
+				     (pglob->gl_pathc +
+				      ((flags & GLOB_DOOFFS) ?
+				       pglob->gl_offs : 0) +
+				      dirs.gl_pathc + 1) *
+				     sizeof (char *));
+	      if (pglob->gl_pathv == NULL)
+		{
+		  globfree (&dirs);
+		  return GLOB_NOSPACE;
+		}
+
+	      if (flags & GLOB_DOOFFS)
+		while (pglob->gl_pathc < pglob->gl_offs)
+		  pglob->gl_pathv[pglob->gl_pathc++] = NULL;
+
+	      for (i = 0; i < dirs.gl_pathc; ++i)
+		{
+		  const char *dir = dirs.gl_pathv[i];
+		  size_t dir_len = strlen (dir);
+
+		  /* First check whether this really is a directory.  */
+		  if (((flags & GLOB_ALTDIRFUNC)
+		       ? (*pglob->gl_stat) (dir, &st) : __stat (dir, &st)) != 0
+		      || !S_ISDIR (st.st_mode))
+		    /* No directory, ignore this entry.  */
+		    continue;
+
+		  pglob->gl_pathv[pglob->gl_pathc] = xmalloc (dir_len + 1
+							     + filename_len);
+		  if (pglob->gl_pathv[pglob->gl_pathc] == NULL)
+		    {
+		      globfree (&dirs);
+		      globfree (pglob);
+		      return GLOB_NOSPACE;
+		    }
+
+#ifdef HAVE_MEMPCPY
+		  mempcpy (mempcpy (mempcpy (pglob->gl_pathv[pglob->gl_pathc],
+					     dir, dir_len),
+				    "/", 1),
+			   filename, filename_len);
+#else
+		  memcpy (pglob->gl_pathv[pglob->gl_pathc], dir, dir_len);
+		  pglob->gl_pathv[pglob->gl_pathc][dir_len] = '/';
+		  memcpy (&pglob->gl_pathv[pglob->gl_pathc][dir_len + 1],
+			  filename, filename_len);
+#endif
+		  ++pglob->gl_pathc;
+		}
+
+	      pglob->gl_pathv[pglob->gl_pathc] = NULL;
+	      pglob->gl_flags = flags;
+
+	      /* Now we know how large the gl_pathv vector must be.  */
+	      new_pathv = (char **) xrealloc (pglob->gl_pathv,
+					     ((pglob->gl_pathc + 1)
+					      * sizeof (char *)));
+	      if (new_pathv != NULL)
+		pglob->gl_pathv = new_pathv;
+	    }
+	  else
+	    return GLOB_NOMATCH;
+	}
+
+      globfree (&dirs);
+    }
+  else
+    {
+      status = glob_in_dir (filename, dirname, flags, errfunc, pglob);
+      if (status != 0)
+	return status;
+
+      if (dirlen > 0)
+	{
+	  /* Stick the directory on the front of each name.  */
+	  int ignore = oldcount;
+
+	  if ((flags & GLOB_DOOFFS) && ignore < pglob->gl_offs)
+	    ignore = pglob->gl_offs;
+
+	  if (prefix_array (dirname,
+			    &pglob->gl_pathv[ignore],
+			    pglob->gl_pathc - ignore))
+	    {
+	      globfree (pglob);
+	      return GLOB_NOSPACE;
+	    }
+	}
+    }
+
+  if (flags & GLOB_MARK)
+    {
+      /* Append slashes to directory names.  */
+      int i;
+      struct stat st;
+      for (i = oldcount; i < pglob->gl_pathc; ++i)
+	if (((flags & GLOB_ALTDIRFUNC)
+	     ? (*pglob->gl_stat) (pglob->gl_pathv[i], &st)
+	     : __stat (pglob->gl_pathv[i], &st)) == 0
+	    && S_ISDIR (st.st_mode))
+	  {
+ 	    size_t len = strlen (pglob->gl_pathv[i]) + 2;
+	    char *new = xrealloc (pglob->gl_pathv[i], len);
+ 	    if (new == NULL)
+	      {
+		globfree (pglob);
+		return GLOB_NOSPACE;
+	      }
+	    strcpy (&new[len - 2], "/");
+	    pglob->gl_pathv[i] = new;
+	  }
+    }
+
+  if (!(flags & GLOB_NOSORT))
+    {
+      /* Sort the vector.  */
+      int non_sort = oldcount;
+
+      if ((flags & GLOB_DOOFFS) && pglob->gl_offs > oldcount)
+	non_sort = pglob->gl_offs;
+
+      qsort ((__ptr_t) &pglob->gl_pathv[non_sort],
+	     pglob->gl_pathc - non_sort,
+	     sizeof (char *), collated_compare);
+    }
+
+  return 0;
+}
+
+
+/* Free storage allocated in PGLOB by a previous `glob' call.  */
+void
+globfree (glob_t *pglob)
+{
+  if (pglob->gl_pathv != NULL)
+    {
+      register int i;
+      for (i = 0; i < pglob->gl_pathc; ++i)
+	if (pglob->gl_pathv[i] != NULL)
+	  free ((__ptr_t) pglob->gl_pathv[i]);
+      free ((__ptr_t) pglob->gl_pathv);
+    }
+}
+
+
+/* Do a collated comparison of A and B.  */
+static int
+collated_compare (const __ptr_t a, const __ptr_t b)
+{
+  const char *const s1 = *(const char *const * const) a;
+  const char *const s2 = *(const char *const * const) b;
+
+  if (s1 == s2)
+    return 0;
+  if (s1 == NULL)
+    return 1;
+  if (s2 == NULL)
+    return -1;
+  return strcoll (s1, s2);
+}
+
+
+/* Prepend DIRNAME to each of N members of ARRAY, replacing ARRAY's
+   elements in place.  Return nonzero if out of memory, zero if successful.
+   A slash is inserted between DIRNAME and each elt of ARRAY,
+   unless DIRNAME is just "/".  Each old element of ARRAY is freed.  */
+static int
+prefix_array (const char *dirname, char **array, size_t n)
+{
+  register size_t i;
+  size_t dirlen = strlen (dirname);
+#if defined __MSDOS__ || defined WINDOWS32
+  int sep_char = '/';
+# define DIRSEP_CHAR sep_char
+#else
+# define DIRSEP_CHAR '/'
+#endif
+
+  if (dirlen == 1 && dirname[0] == '/')
+    /* DIRNAME is just "/", so normal prepending would get us "//foo".
+       We want "/foo" instead, so don't prepend any chars from DIRNAME.  */
+    dirlen = 0;
+#if defined __MSDOS__ || defined WINDOWS32
+  else if (dirlen > 1)
+    {
+      if (dirname[dirlen - 1] == '/')
+	/* DIRNAME is "d:/".  Don't prepend the slash from DIRNAME.  */
+	--dirlen;
+      else if (dirname[dirlen - 1] == ':')
+	{
+	  /* DIRNAME is "d:".  Use `:' instead of `/'.  */
+	  --dirlen;
+	  sep_char = ':';
+	}
+    }
+#endif
+
+  for (i = 0; i < n; ++i)
+    {
+      size_t eltlen = strlen (array[i]) + 1;
+      char *new = (char *) xmalloc (dirlen + 1 + eltlen);
+      if (new == NULL)
+	{
+	  while (i > 0)
+	    free ((__ptr_t) array[--i]);
+	  return 1;
+	}
+
+#ifdef HAVE_MEMPCPY
+      {
+	char *endp = (char *) mempcpy (new, dirname, dirlen);
+	*endp++ = DIRSEP_CHAR;
+	mempcpy (endp, array[i], eltlen);
+      }
+#else
+      memcpy (new, dirname, dirlen);
+      new[dirlen] = DIRSEP_CHAR;
+      memcpy (&new[dirlen + 1], array[i], eltlen);
+#endif
+      free ((__ptr_t) array[i]);
+      array[i] = new;
+    }
+
+  return 0;
+}
+
+
+/* We must not compile this function twice.  */
+#if !defined _LIBC || !defined NO_GLOB_PATTERN_P
+/* Return nonzero if PATTERN contains any metacharacters.
+   Metacharacters can be quoted with backslashes if QUOTE is nonzero.  */
+static int
+__glob_pattern_p (const char *pattern, int quote)
+{
+  register const char *p;
+  int open = 0;
+
+  for (p = pattern; *p != '\0'; ++p)
+    switch (*p)
+      {
+      case '?':
+      case '*':
+	return 1;
+
+      case '\\':
+	if (quote && p[1] != '\0')
+	  ++p;
+	break;
+
+      case '[':
+	open = 1;
+	break;
+
+      case ']':
+	if (open)
+	  return 1;
+	break;
+      }
+
+  return 0;
+}
+# ifdef _LIBC
+weak_alias (__glob_pattern_p, glob_pattern_p)
+# endif
+#endif
+
+
+/* Like `glob', but PATTERN is a final pathname component,
+   and matches are searched for in DIRECTORY.
+   The GLOB_NOSORT bit in FLAGS is ignored.  No sorting is ever done.
+   The GLOB_APPEND flag is assumed to be set (always appends).  */
+static int
+glob_in_dir (const char *pattern, const char *directory, int flags,
+		int (*errfunc) __P ((const char *, int)), glob_t *pglob)
+{
+  __ptr_t stream = NULL;
+
+  struct globlink
+    {
+      struct globlink *next;
+      char *name;
+    };
+  struct globlink *names = NULL;
+  size_t nfound;
+  int meta;
+  int save;
+
+  meta = __glob_pattern_p (pattern, !(flags & GLOB_NOESCAPE));
+  if (meta == 0)
+    {
+      if (flags & (GLOB_NOCHECK|GLOB_NOMAGIC))
+	/* We need not do any tests.  The PATTERN contains no meta
+	   characters and we must not return an error therefore the
+	   result will always contain exactly one name.  */
+	flags |= GLOB_NOCHECK;
+      else
+	{
+	  /* Since we use the normal file functions we can also use stat()
+	     to verify the file is there.  */
+	  struct stat st;
+	  size_t patlen = strlen (pattern);
+	  size_t dirlen = strlen (directory);
+	  char *fullname = (char *) __alloca (dirlen + 1 + patlen + 1);
+
+# ifdef HAVE_MEMPCPY
+	  mempcpy (mempcpy (mempcpy (fullname, directory, dirlen),
+			    "/", 1),
+		   pattern, patlen + 1);
+# else
+	  memcpy (fullname, directory, dirlen);
+	  fullname[dirlen] = '/';
+	  memcpy (&fullname[dirlen + 1], pattern, patlen + 1);
+# endif
+	  if (((flags & GLOB_ALTDIRFUNC)
+	       ? (*pglob->gl_stat) (fullname, &st)
+	       : __stat (fullname, &st)) == 0)
+	    /* We found this file to be existing.  Now tell the rest
+	       of the function to copy this name into the result.  */
+	    flags |= GLOB_NOCHECK;
+	}
+
+      nfound = 0;
+    }
+  else
+    {
+      if (pattern[0] == '\0')
+	{
+	  /* This is a special case for matching directories like in
+	     "*a/".  */
+	  names = (struct globlink *) __alloca (sizeof (struct globlink));
+	  names->name = (char *) xmalloc (1);
+	  if (names->name == NULL)
+	    goto memory_error;
+	  names->name[0] = '\0';
+	  names->next = NULL;
+	  nfound = 1;
+	  meta = 0;
+	}
+      else
+	{
+	  stream = ((flags & GLOB_ALTDIRFUNC)
+		    ? (*pglob->gl_opendir) (directory)
+		    : (__ptr_t) opendir (directory));
+	  if (stream == NULL)
+	    {
+	      if (errno != ENOTDIR
+		  && ((errfunc != NULL && (*errfunc) (directory, errno))
+		      || (flags & GLOB_ERR)))
+		return GLOB_ABORTED;
+	      nfound = 0;
+	      meta = 0;
+	    }
+	  else
+	    {
+	      int fnm_flags = ((!(flags & GLOB_PERIOD) ? FNM_PERIOD : 0)
+			       | ((flags & GLOB_NOESCAPE) ? FNM_NOESCAPE : 0)
+#if defined _AMIGA || defined VMS
+				   | FNM_CASEFOLD
+#endif
+				   );
+	      nfound = 0;
+	      flags |= GLOB_MAGCHAR;
+
+	      while (1)
+		{
+		  const char *name;
+		  size_t len;
+		  struct dirent *d = ((flags & GLOB_ALTDIRFUNC)
+				      ? (*pglob->gl_readdir) (stream)
+				      : readdir ((DIR *) stream));
+		  if (d == NULL)
+		    break;
+		  if (! REAL_DIR_ENTRY (d))
+		    continue;
+
+#ifdef HAVE_STRUCT_DIRENT_D_TYPE
+		  /* If we shall match only directories use the information
+		     provided by the dirent call if possible.  */
+		  if ((flags & GLOB_ONLYDIR)
+		      && d->d_type != DT_UNKNOWN && d->d_type != DT_DIR)
+		    continue;
+#endif
+
+		  name = d->d_name;
+
+		  if (fnmatch (pattern, name, fnm_flags) == 0)
+		    {
+		      struct globlink *new = (struct globlink *)
+			__alloca (sizeof (struct globlink));
+		      len = NAMLEN (d);
+		      new->name = (char *) xmalloc (len + 1);
+		      if (new->name == NULL)
+			goto memory_error;
+#ifdef HAVE_MEMPCPY
+		      *((char *) mempcpy ((__ptr_t) new->name, name, len))
+			= '\0';
+#else
+		      memcpy ((__ptr_t) new->name, name, len);
+		      new->name[len] = '\0';
+#endif
+		      new->next = names;
+		      names = new;
+		      ++nfound;
+		    }
+		}
+	    }
+	}
+    }
+
+  if (nfound == 0 && (flags & GLOB_NOCHECK))
+    {
+      size_t len = strlen (pattern);
+      nfound = 1;
+      names = (struct globlink *) __alloca (sizeof (struct globlink));
+      names->next = NULL;
+      names->name = (char *) xmalloc (len + 1);
+      if (names->name == NULL)
+	goto memory_error;
+#ifdef HAVE_MEMPCPY
+      *((char *) mempcpy (names->name, pattern, len)) = '\0';
+#else
+      memcpy (names->name, pattern, len);
+      names->name[len] = '\0';
+#endif
+    }
+
+  if (nfound != 0)
+    {
+      pglob->gl_pathv
+	= (char **) xrealloc (pglob->gl_pathv,
+			     (pglob->gl_pathc +
+			      ((flags & GLOB_DOOFFS) ? pglob->gl_offs : 0) +
+			      nfound + 1) *
+			     sizeof (char *));
+      if (pglob->gl_pathv == NULL)
+	goto memory_error;
+
+      if (flags & GLOB_DOOFFS)
+	while (pglob->gl_pathc < pglob->gl_offs)
+	  pglob->gl_pathv[pglob->gl_pathc++] = NULL;
+
+      for (; names != NULL; names = names->next)
+	pglob->gl_pathv[pglob->gl_pathc++] = names->name;
+      pglob->gl_pathv[pglob->gl_pathc] = NULL;
+
+      pglob->gl_flags = flags;
+    }
+
+  save = errno;
+  if (stream != NULL)
+    {
+      if (flags & GLOB_ALTDIRFUNC)
+	(*pglob->gl_closedir) (stream);
+      else
+	closedir ((DIR *) stream);
+    }
+  __set_errno (save);
+
+  return nfound == 0 ? GLOB_NOMATCH : 0;
+
+ memory_error:
+  {
+    int save = errno;
+    if (flags & GLOB_ALTDIRFUNC)
+      (*pglob->gl_closedir) (stream);
+    else
+      closedir ((DIR *) stream);
+    __set_errno (save);
+  }
+  while (names != NULL)
+    {
+      if (names->name != NULL)
+	free ((__ptr_t) names->name);
+      names = names->next;
+    }
+  return GLOB_NOSPACE;
+}