Adding upstream version 5.1.upstream/5.1upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 1554 insertions, 0 deletions

diff --git a/lib/glob/glob.c b/lib/glob/glob.c
new file mode 100644
index 0000000..eb6277f
--- /dev/null
+++ b/lib/glob/glob.c
@@ -0,0 +1,1554 @@
+/* glob.c -- file-name wildcard pattern matching for Bash.
+
+   Copyright (C) 1985-2020 Free Software Foundation, Inc.
+
+   This file is part of GNU Bash, the Bourne-Again SHell.
+   
+   Bash is free software: you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation, either version 3 of the License, or
+   (at your option) any later version.
+
+   Bash 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 General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with Bash.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+/* To whomever it may concern: I have never seen the code which most
+   Unix programs use to perform this function.  I wrote this from scratch
+   based on specifications for the pattern matching.  --RMS.  */
+
+#include <config.h>
+
+#if !defined (__GNUC__) && !defined (HAVE_ALLOCA_H) && defined (_AIX)
+  #pragma alloca
+#endif /* _AIX && RISC6000 && !__GNUC__ */
+
+#include "bashtypes.h"
+
+#if defined (HAVE_UNISTD_H)
+#  include <unistd.h>
+#endif
+
+#include "bashansi.h"
+#include "posixdir.h"
+#include "posixstat.h"
+#include "shmbutil.h"
+#include "xmalloc.h"
+
+#include "filecntl.h"
+#if !defined (F_OK)
+#  define F_OK 0
+#endif
+
+#include "stdc.h"
+#include "memalloc.h"
+
+#include <signal.h>
+
+#include "shell.h"
+#include "general.h"
+
+#include "glob.h"
+#include "strmatch.h"
+
+#if !defined (HAVE_BCOPY) && !defined (bcopy)
+#  define bcopy(s, d, n) ((void) memcpy ((d), (s), (n)))
+#endif /* !HAVE_BCOPY && !bcopy */
+
+#if !defined (NULL)
+#  if defined (__STDC__)
+#    define NULL ((void *) 0)
+#  else
+#    define NULL 0x0
+#  endif /* __STDC__ */
+#endif /* !NULL */
+
+#if !defined (FREE)
+#  define FREE(x)	if (x) free (x)
+#endif
+
+/* Don't try to alloca() more than this much memory for `struct globval'
+   in glob_vector() */
+#ifndef ALLOCA_MAX
+#  define ALLOCA_MAX	100000
+#endif
+
+struct globval
+  {
+    struct globval *next;
+    char *name;
+  };
+
+extern void throw_to_top_level PARAMS((void));
+extern int sh_eaccess PARAMS((const char *, int));
+extern char *sh_makepath PARAMS((const char *, const char *, int));
+extern int signal_is_pending PARAMS((int));
+extern void run_pending_traps PARAMS((void));
+
+extern int extended_glob;
+
+/* Global variable which controls whether or not * matches .*.
+   Non-zero means don't match .*.  */
+int noglob_dot_filenames = 1;
+
+/* Global variable which controls whether or not filename globbing
+   is done without regard to case. */
+int glob_ignore_case = 0;
+
+/* Global variable controlling whether globbing ever returns . or ..
+   regardless of the pattern. If set to 1, no glob pattern will ever
+   match `.' or `..'. Disabled by default. */
+int glob_always_skip_dot_and_dotdot = 0;
+
+/* Global variable to return to signify an error in globbing. */
+char *glob_error_return;
+
+static struct globval finddirs_error_return;
+
+/* Some forward declarations. */
+static int skipname PARAMS((char *, char *, int));
+#if HANDLE_MULTIBYTE
+static int mbskipname PARAMS((char *, char *, int));
+#endif
+void udequote_pathname PARAMS((char *));
+#if HANDLE_MULTIBYTE
+void wcdequote_pathname PARAMS((wchar_t *));
+static void wdequote_pathname PARAMS((char *));
+#else
+#  define dequote_pathname udequote_pathname
+#endif
+static void dequote_pathname PARAMS((char *));
+static int glob_testdir PARAMS((char *, int));
+static char **glob_dir_to_array PARAMS((char *, char **, int));
+
+/* Make sure these names continue to agree with what's in smatch.c */
+extern char *glob_patscan PARAMS((char *, char *, int));
+extern wchar_t *glob_patscan_wc PARAMS((wchar_t *, wchar_t *, int));
+
+/* And this from gmisc.c/gm_loop.c */
+extern int wextglob_pattern_p PARAMS((wchar_t *));
+
+extern char *glob_dirscan PARAMS((char *, int));
+
+/* Compile `glob_loop.c' for single-byte characters. */
+#define GCHAR	unsigned char
+#define CHAR	char
+#define INT	int
+#define L(CS)	CS
+#define INTERNAL_GLOB_PATTERN_P internal_glob_pattern_p
+#include "glob_loop.c"
+
+/* Compile `glob_loop.c' again for multibyte characters. */
+#if HANDLE_MULTIBYTE
+
+#define GCHAR	wchar_t
+#define CHAR	wchar_t
+#define INT	wint_t
+#define L(CS)	L##CS
+#define INTERNAL_GLOB_PATTERN_P internal_glob_wpattern_p
+#include "glob_loop.c"
+
+#endif /* HANDLE_MULTIBYTE */
+
+/* And now a function that calls either the single-byte or multibyte version
+   of internal_glob_pattern_p. */
+int
+glob_pattern_p (pattern)
+     const char *pattern;
+{
+#if HANDLE_MULTIBYTE
+  size_t n;
+  wchar_t *wpattern;
+  int r;
+
+  if (MB_CUR_MAX == 1 || mbsmbchar (pattern) == 0)
+    return (internal_glob_pattern_p ((unsigned char *)pattern));
+
+  /* Convert strings to wide chars, and call the multibyte version. */
+  n = xdupmbstowcs (&wpattern, NULL, pattern);
+  if (n == (size_t)-1)
+    /* Oops.  Invalid multibyte sequence.  Try it as single-byte sequence. */
+    return (internal_glob_pattern_p ((unsigned char *)pattern));
+
+  r = internal_glob_wpattern_p (wpattern);
+  free (wpattern);
+
+  return r;
+#else
+  return (internal_glob_pattern_p ((unsigned char *)pattern));
+#endif
+}
+
+#if EXTENDED_GLOB
+/* Return 1 if all subpatterns in the extended globbing pattern PAT indicate
+   that the name should be skipped.  XXX - doesn't handle pattern negation,
+   not sure if it should */
+static int
+extglob_skipname (pat, dname, flags)
+     char *pat, *dname;
+     int flags;
+{
+  char *pp, *pe, *t, *se;
+  int n, r, negate, wild, nullpat;
+
+  negate = *pat == '!';
+  wild = *pat == '*' || *pat == '?';
+  pp = pat + 2;
+  se = pp + strlen (pp) - 1;		/* end of string */
+  pe = glob_patscan (pp, se, 0);	/* end of extglob pattern (( */
+  /* we should check for invalid extglob pattern here */
+  if (pe == 0)
+    return 0;
+
+  /* if pe != se we have more of the pattern at the end of the extglob
+     pattern. Check the easy case first ( */
+  if (pe == se && *pe == ')' && (t = strchr (pp, '|')) == 0)
+    {
+      *pe = '\0';
+#if defined (HANDLE_MULTIBYTE)
+      r = mbskipname (pp, dname, flags);
+#else
+      r = skipname (pp, dname, flags);	/*(*/
+#endif
+      *pe = ')';
+      if (wild && pe[1])	/* if we can match zero instances, check further */
+        return (skipname (pe+1, dname, flags));
+      return r;
+    }
+
+  /* Is the extglob pattern between the parens the null pattern?  The null
+     pattern can match nothing, so should we check any remaining portion of
+     the pattern? */
+  nullpat = pe >= (pat + 2) && pe[-2] == '(' && pe[-1] == ')';
+
+  /* check every subpattern */
+  while (t = glob_patscan (pp, pe, '|'))
+    {
+      n = t[-1];	/* ( */
+      if (extglob_pattern_p (pp) && n == ')')
+	t[-1] = n;	/* no-op for now */
+      else
+	t[-1] = '\0';
+#if defined (HANDLE_MULTIBYTE)
+      r = mbskipname (pp, dname, flags);
+#else
+      r = skipname (pp, dname, flags);
+#endif
+      t[-1] = n;
+      if (r == 0)	/* if any pattern says not skip, we don't skip */
+        return r;
+      pp = t;
+    }	/*(*/
+
+  /* glob_patscan might find end of string */
+  if (pp == se)
+    return r;
+
+  /* but if it doesn't then we didn't match a leading dot */
+  if (wild && *pe)	/* if we can match zero instances, check further */
+    return (skipname (pe, dname, flags));
+  return 1;
+}
+#endif
+
+/* Return 1 if DNAME should be skipped according to PAT.  Mostly concerned
+   with matching leading `.'. */
+static int
+skipname (pat, dname, flags)
+     char *pat;
+     char *dname;
+     int flags;
+{
+#if EXTENDED_GLOB
+  if (extglob_pattern_p (pat))		/* XXX */
+    return (extglob_skipname (pat, dname, flags));
+#endif
+
+  if (glob_always_skip_dot_and_dotdot && DOT_OR_DOTDOT (dname))
+    return 1;
+
+  /* If a leading dot need not be explicitly matched, and the pattern
+     doesn't start with a `.', don't match `.' or `..' */
+  if (noglob_dot_filenames == 0 && pat[0] != '.' &&
+	(pat[0] != '\\' || pat[1] != '.') &&
+	DOT_OR_DOTDOT (dname))
+    return 1;
+
+  /* If a dot must be explicitly matched, check to see if they do. */
+  else if (noglob_dot_filenames && dname[0] == '.' && pat[0] != '.' &&
+	(pat[0] != '\\' || pat[1] != '.'))
+    return 1;
+
+  return 0;
+}
+
+#if HANDLE_MULTIBYTE
+
+static int
+wskipname (pat, dname, flags)
+     wchar_t *pat, *dname;
+     int flags;
+{
+  if (glob_always_skip_dot_and_dotdot && WDOT_OR_DOTDOT (dname))
+    return 1;
+
+  /* If a leading dot need not be explicitly matched, and the
+     pattern doesn't start with a `.', don't match `.' or `..' */
+  if (noglob_dot_filenames == 0 && pat[0] != L'.' &&
+	(pat[0] != L'\\' || pat[1] != L'.') &&
+	WDOT_OR_DOTDOT (dname))
+    return 1;
+
+  /* If a leading dot must be explicitly matched, check to see if the
+     pattern and dirname both have one. */
+ else if (noglob_dot_filenames && dname[0] == L'.' &&
+	pat[0] != L'.' &&
+	   (pat[0] != L'\\' || pat[1] != L'.'))
+    return 1;
+
+  return 0;
+}
+
+static int
+wextglob_skipname (pat, dname, flags)
+     wchar_t *pat, *dname;
+     int flags;
+{
+#if EXTENDED_GLOB
+  wchar_t *pp, *pe, *t, n, *se;
+  int r, negate, wild, nullpat;
+
+  negate = *pat == L'!';
+  wild = *pat == L'*' || *pat == L'?';
+  pp = pat + 2;
+  se = pp + wcslen (pp) - 1;	/*(*/
+  pe = glob_patscan_wc (pp, se, 0);
+
+  if (pe == se && *pe == ')' && (t = wcschr (pp, L'|')) == 0)
+    {
+      *pe = L'\0';
+      r = wskipname (pp, dname, flags); /*(*/
+      *pe = L')';
+      if (wild && pe[1] != L'\0')
+        return (wskipname (pe+1, dname, flags));
+      return r;
+    }
+
+  /* Is the extglob pattern between the parens the null pattern?  The null
+     pattern can match nothing, so should we check any remaining portion of
+     the pattern? */
+  nullpat = pe >= (pat + 2) && pe[-2] == L'(' && pe[-1] == L')';
+
+  /* check every subpattern */
+  while (t = glob_patscan_wc (pp, pe, '|'))
+    {
+      n = t[-1];	/* ( */
+      if (wextglob_pattern_p (pp) && n == L')')
+	t[-1] = n;	/* no-op for now */
+      else
+	t[-1] = L'\0';
+      r = wskipname (pp, dname, flags);
+      t[-1] = n;
+      if (r == 0)
+	return 0;
+      pp = t;
+    }
+
+  if (pp == pe)		/* glob_patscan_wc might find end of pattern */
+    return r;
+
+  /* but if it doesn't then we didn't match a leading dot */
+  if (wild && *pe != L'\0')
+    return (wskipname (pe, dname, flags));
+  return 1;
+#else
+  return (wskipname (pat, dname, flags));
+#endif
+}
+
+/* Return 1 if DNAME should be skipped according to PAT.  Handles multibyte
+   characters in PAT and DNAME.  Mostly concerned with matching leading `.'. */
+static int
+mbskipname (pat, dname, flags)
+     char *pat, *dname;
+     int flags;
+{
+  int ret, ext;
+  wchar_t *pat_wc, *dn_wc;
+  size_t pat_n, dn_n;
+
+  if (mbsmbchar (dname) == 0 && mbsmbchar (pat) == 0)
+    return (skipname (pat, dname, flags));
+
+  ext = 0;
+#if EXTENDED_GLOB
+  ext = extglob_pattern_p (pat);
+#endif
+
+  pat_wc = dn_wc = (wchar_t *)NULL;
+
+  pat_n = xdupmbstowcs (&pat_wc, NULL, pat);
+  if (pat_n != (size_t)-1)
+    dn_n = xdupmbstowcs (&dn_wc, NULL, dname);
+
+  ret = 0;
+  if (pat_n != (size_t)-1 && dn_n !=(size_t)-1)
+    ret = ext ? wextglob_skipname (pat_wc, dn_wc, flags) : wskipname (pat_wc, dn_wc, flags);
+  else
+    ret = skipname (pat, dname, flags);
+
+  FREE (pat_wc);
+  FREE (dn_wc);
+
+  return ret;
+}
+#endif /* HANDLE_MULTIBYTE */
+
+/* Remove backslashes quoting characters in PATHNAME by modifying PATHNAME. */
+void
+udequote_pathname (pathname)
+     char *pathname;
+{
+  register int i, j;
+
+  for (i = j = 0; pathname && pathname[i]; )
+    {
+      if (pathname[i] == '\\')
+	i++;
+
+      pathname[j++] = pathname[i++];
+
+      if (pathname[i - 1] == 0)
+	break;
+    }
+  if (pathname)
+    pathname[j] = '\0';
+}
+
+#if HANDLE_MULTIBYTE
+/* Remove backslashes quoting characters in PATHNAME by modifying PATHNAME. */
+void
+wcdequote_pathname (wpathname)
+     wchar_t *wpathname;
+{
+  int i, j;
+
+  for (i = j = 0; wpathname && wpathname[i]; )
+    {
+      if (wpathname[i] == L'\\')
+	i++;
+
+      wpathname[j++] = wpathname[i++];
+
+      if (wpathname[i - 1] == L'\0')
+	break;
+    }
+  if (wpathname)
+    wpathname[j] = L'\0';
+}
+
+static void
+wdequote_pathname (pathname)
+     char *pathname;
+{
+  mbstate_t ps;
+  size_t len, n;
+  wchar_t *wpathname;
+  int i, j;
+  wchar_t *orig_wpathname;
+
+  if (mbsmbchar (pathname) == 0)
+    {
+      udequote_pathname (pathname);
+      return;
+    }
+
+  len = strlen (pathname);
+  /* Convert the strings into wide characters.  */
+  n = xdupmbstowcs (&wpathname, NULL, pathname);
+  if (n == (size_t) -1)
+    {
+      /* Something wrong.  Fall back to single-byte */
+      udequote_pathname (pathname);
+      return;
+    }
+  orig_wpathname = wpathname;
+
+  wcdequote_pathname (wpathname);
+
+  /* Convert the wide character string into unibyte character set. */
+  memset (&ps, '\0', sizeof(mbstate_t));
+  n = wcsrtombs(pathname, (const wchar_t **)&wpathname, len, &ps);
+  if (n == (size_t)-1 || (wpathname && *wpathname != 0))	/* what? now you tell me? */
+    {
+      wpathname = orig_wpathname;
+      memset (&ps, '\0', sizeof(mbstate_t));
+      n = xwcsrtombs (pathname, (const wchar_t **)&wpathname, len, &ps);
+    }
+  pathname[len] = '\0';
+
+  /* Can't just free wpathname here; wcsrtombs changes it in many cases. */
+  free (orig_wpathname);
+}
+
+static void
+dequote_pathname (pathname)
+     char *pathname;
+{
+  if (MB_CUR_MAX > 1)
+    wdequote_pathname (pathname);
+  else
+    udequote_pathname (pathname);
+}
+#endif /* HANDLE_MULTIBYTE */
+
+/* Test whether NAME exists. */
+
+#if defined (HAVE_LSTAT)
+#  define GLOB_TESTNAME(name)  (lstat (name, &finfo))
+#else /* !HAVE_LSTAT */
+#  if !defined (AFS)
+#    define GLOB_TESTNAME(name)  (sh_eaccess (name, F_OK))
+#  else /* AFS */
+#    define GLOB_TESTNAME(name)  (access (name, F_OK))
+#  endif /* AFS */
+#endif /* !HAVE_LSTAT */
+
+/* Return 0 if DIR is a directory, -2 if DIR is a symlink,  -1 otherwise. */
+static int
+glob_testdir (dir, flags)
+     char *dir;
+     int flags;
+{
+  struct stat finfo;
+  int r;
+
+/*itrace("glob_testdir: testing %s" flags = %d, dir, flags);*/
+#if defined (HAVE_LSTAT)
+  r = (flags & GX_ALLDIRS) ? lstat (dir, &finfo) : stat (dir, &finfo);
+#else
+  r = stat (dir, &finfo);
+#endif
+  if (r < 0)
+    return (-1);
+
+#if defined (S_ISLNK)
+  if (S_ISLNK (finfo.st_mode))
+    return (-2);
+#endif
+
+  if (S_ISDIR (finfo.st_mode) == 0)
+    return (-1);
+
+  return (0);
+}
+
+/* Recursively scan SDIR for directories matching PAT (PAT is always `**').
+   FLAGS is simply passed down to the recursive call to glob_vector.  Returns
+   a list of matching directory names.  EP, if non-null, is set to the last
+   element of the returned list.  NP, if non-null, is set to the number of
+   directories in the returned list.  These two variables exist for the
+   convenience of the caller (always glob_vector). */
+static struct globval *
+finddirs (pat, sdir, flags, ep, np)
+     char *pat;
+     char *sdir;
+     int flags;
+     struct globval **ep;
+     int *np;
+{
+  char **r, *n;
+  int ndirs;
+  struct globval *ret, *e, *g;
+
+/*itrace("finddirs: pat = `%s' sdir = `%s' flags = 0x%x", pat, sdir, flags);*/
+  e = ret = 0;
+  r = glob_vector (pat, sdir, flags);
+  if (r == 0 || r[0] == 0)
+    {
+      if (np)
+	*np = 0;
+      if (ep)
+        *ep = 0;
+      if (r && r != &glob_error_return)
+	free (r);
+      return (struct globval *)0;
+    }
+  for (ndirs = 0; r[ndirs] != 0; ndirs++)
+    {
+      g = (struct globval *) malloc (sizeof (struct globval));
+      if (g == 0)
+	{
+	  while (ret)		/* free list built so far */
+	    {
+	      g = ret->next;
+	      free (ret);
+	      ret = g;
+	    }
+
+	  free (r);
+	  if (np)
+	    *np = 0;
+	  if (ep)
+	    *ep = 0;
+	  return (&finddirs_error_return);
+	}
+      if (e == 0)
+	e = g;
+
+      g->next = ret;
+      ret = g;
+
+      g->name = r[ndirs];
+    }
+
+  free (r);
+  if (ep)
+    *ep = e;
+  if (np)
+    *np = ndirs;
+
+  return ret;
+}
+     	
+/* Return a vector of names of files in directory DIR
+   whose names match glob pattern PAT.
+   The names are not in any particular order.
+   Wildcards at the beginning of PAT do not match an initial period.
+
+   The vector is terminated by an element that is a null pointer.
+
+   To free the space allocated, first free the vector's elements,
+   then free the vector.
+
+   Return 0 if cannot get enough memory to hold the pointer
+   and the names.
+
+   Return -1 if cannot access directory DIR.
+   Look in errno for more information.  */
+
+char **
+glob_vector (pat, dir, flags)
+     char *pat;
+     char *dir;
+     int flags;
+{
+  DIR *d;
+  register struct dirent *dp;
+  struct globval *lastlink, *e, *dirlist;
+  register struct globval *nextlink;
+  register char *nextname, *npat, *subdir;
+  unsigned int count;
+  int lose, skip, ndirs, isdir, sdlen, add_current, patlen;
+  register char **name_vector;
+  register unsigned int i;
+  int mflags;		/* Flags passed to strmatch (). */
+  int pflags;		/* flags passed to sh_makepath () */
+  int hasglob;		/* return value from glob_pattern_p */
+  int nalloca;
+  struct globval *firstmalloc, *tmplink;
+  char *convfn;
+
+  lastlink = 0;
+  count = lose = skip = add_current = 0;
+
+  firstmalloc = 0;
+  nalloca = 0;
+
+  name_vector = NULL;
+
+/*itrace("glob_vector: pat = `%s' dir = `%s' flags = 0x%x", pat, dir, flags);*/
+  /* If PAT is empty, skip the loop, but return one (empty) filename. */
+  if (pat == 0 || *pat == '\0')
+    {
+      if (glob_testdir (dir, 0) < 0)
+	return ((char **) &glob_error_return);
+
+      nextlink = (struct globval *)alloca (sizeof (struct globval));
+      if (nextlink == NULL)
+	return ((char **) NULL);
+
+      nextlink->next = (struct globval *)0;
+      nextname = (char *) malloc (1);
+      if (nextname == 0)
+	lose = 1;
+      else
+	{
+	  lastlink = nextlink;
+	  nextlink->name = nextname;
+	  nextname[0] = '\0';
+	  count = 1;
+	}
+
+      skip = 1;
+    }
+
+  patlen = (pat && *pat) ? strlen (pat) : 0;
+
+  /* If the filename pattern (PAT) does not contain any globbing characters,
+     or contains a pattern with only backslash escapes (hasglob == 2),
+     we can dispense with reading the directory, and just see if there is
+     a filename `DIR/PAT'.  If there is, and we can access it, just make the
+     vector to return and bail immediately. */
+  hasglob = 0;
+  if (skip == 0 && ((hasglob = glob_pattern_p (pat)) == 0 || hasglob == 2))
+    {
+      int dirlen;
+      struct stat finfo;
+
+      if (glob_testdir (dir, 0) < 0)
+	return ((char **) &glob_error_return);
+
+      dirlen = strlen (dir);
+      nextname = (char *)malloc (dirlen + patlen + 2);
+      npat = (char *)malloc (patlen + 1);
+      if (nextname == 0 || npat == 0)
+	{
+	  FREE (nextname);
+	  FREE (npat);
+	  lose = 1;
+	}
+      else
+	{
+	  strcpy (npat, pat);
+	  dequote_pathname (npat);
+
+	  strcpy (nextname, dir);
+	  nextname[dirlen++] = '/';
+	  strcpy (nextname + dirlen, npat);
+
+	  if (GLOB_TESTNAME (nextname) >= 0)
+	    {
+	      free (nextname);
+	      nextlink = (struct globval *)alloca (sizeof (struct globval));
+	      if (nextlink)
+		{
+		  nextlink->next = (struct globval *)0;
+		  lastlink = nextlink;
+		  nextlink->name = npat;
+		  count = 1;
+		}
+	      else
+		{
+		  free (npat);
+		  lose = 1;
+		}
+	    }
+	  else
+	    {
+	      free (nextname);
+	      free (npat);
+	    }
+	}
+
+      skip = 1;
+    }
+
+  if (skip == 0)
+    {
+      /* Open the directory, punting immediately if we cannot.  If opendir
+	 is not robust (i.e., it opens non-directories successfully), test
+	 that DIR is a directory and punt if it's not. */
+#if defined (OPENDIR_NOT_ROBUST)
+      if (glob_testdir (dir, 0) < 0)
+	return ((char **) &glob_error_return);
+#endif
+
+      d = opendir (dir);
+      if (d == NULL)
+	return ((char **) &glob_error_return);
+
+      /* Compute the flags that will be passed to strmatch().  We don't
+	 need to do this every time through the loop. */
+      mflags = (noglob_dot_filenames ? FNM_PERIOD : 0) | FNM_PATHNAME;
+
+#ifdef FNM_CASEFOLD
+      if (glob_ignore_case)
+	mflags |= FNM_CASEFOLD;
+#endif
+
+      if (extended_glob)
+	mflags |= FNM_EXTMATCH;
+
+      add_current = ((flags & (GX_ALLDIRS|GX_ADDCURDIR)) == (GX_ALLDIRS|GX_ADDCURDIR));
+
+      /* Scan the directory, finding all names that match.
+	 For each name that matches, allocate a struct globval
+	 on the stack and store the name in it.
+	 Chain those structs together; lastlink is the front of the chain.  */
+      while (1)
+	{
+	  /* Make globbing interruptible in the shell. */
+	  if (interrupt_state || terminating_signal)
+	    {
+	      lose = 1;
+	      break;
+	    }
+	  else if (signal_is_pending (SIGINT))	/* XXX - make SIGINT traps responsive */
+	    {
+	      lose = 1;
+	      break;
+	    }
+
+	  dp = readdir (d);
+	  if (dp == NULL)
+	    break;
+
+	  /* If this directory entry is not to be used, try again. */
+	  if (REAL_DIR_ENTRY (dp) == 0)
+	    continue;
+
+#if 0
+	  if (dp->d_name == 0 || *dp->d_name == 0)
+	    continue;
+#endif
+
+#if HANDLE_MULTIBYTE
+	  if (MB_CUR_MAX > 1 && mbskipname (pat, dp->d_name, flags))
+	    continue;
+	  else
+#endif
+	  if (skipname (pat, dp->d_name, flags))
+	    continue;
+
+	  /* If we're only interested in directories, don't bother with files */
+	  if (flags & (GX_MATCHDIRS|GX_ALLDIRS))
+	    {
+	      pflags = (flags & GX_ALLDIRS) ? MP_RMDOT : 0;
+	      if (flags & GX_NULLDIR)
+		pflags |= MP_IGNDOT;
+	      subdir = sh_makepath (dir, dp->d_name, pflags);
+	      isdir = glob_testdir (subdir, flags);
+	      if (isdir < 0 && (flags & GX_MATCHDIRS))
+		{
+		  free (subdir);
+		  continue;
+		}
+	    }
+
+	  if (flags & GX_ALLDIRS)
+	    {
+	      if (isdir == 0)
+		{
+		  dirlist = finddirs (pat, subdir, (flags & ~GX_ADDCURDIR), &e, &ndirs);
+		  if (dirlist == &finddirs_error_return)
+		    {
+		      free (subdir);
+		      lose = 1;
+		      break;
+		    }
+		  if (ndirs)		/* add recursive directories to list */
+		    {
+		      if (firstmalloc == 0)
+		        firstmalloc = e;
+		      e->next = lastlink;
+		      lastlink = dirlist;
+		      count += ndirs;
+		    }
+		}
+
+	      /* XXX - should we even add this if it's not a directory? */
+	      nextlink = (struct globval *) malloc (sizeof (struct globval));
+	      if (firstmalloc == 0)
+		firstmalloc = nextlink;
+	      sdlen = strlen (subdir);
+	      nextname = (char *) malloc (sdlen + 1);
+	      if (nextlink == 0 || nextname == 0)
+		{
+		  FREE (nextlink);
+		  FREE (nextname);
+		  free (subdir);
+		  lose = 1;
+		  break;
+		}
+	      nextlink->next = lastlink;
+	      lastlink = nextlink;
+	      nextlink->name = nextname;
+	      bcopy (subdir, nextname, sdlen + 1);
+	      free (subdir);
+	      ++count;
+	      continue;
+	    }
+	  else if (flags & GX_MATCHDIRS)
+	    free (subdir);
+
+	  convfn = fnx_fromfs (dp->d_name, D_NAMLEN (dp));
+	  if (strmatch (pat, convfn, mflags) != FNM_NOMATCH)
+	    {
+	      if (nalloca < ALLOCA_MAX)
+		{
+		  nextlink = (struct globval *) alloca (sizeof (struct globval));
+		  nalloca += sizeof (struct globval);
+		}
+	      else
+		{
+		  nextlink = (struct globval *) malloc (sizeof (struct globval));
+		  if (firstmalloc == 0)
+		    firstmalloc = nextlink;
+		}
+
+	      nextname = (char *) malloc (D_NAMLEN (dp) + 1);
+	      if (nextlink == 0 || nextname == 0)
+		{
+		  FREE (nextlink);
+		  FREE (nextname);
+		  lose = 1;
+		  break;
+		}
+	      nextlink->next = lastlink;
+	      lastlink = nextlink;
+	      nextlink->name = nextname;
+	      bcopy (dp->d_name, nextname, D_NAMLEN (dp) + 1);
+	      ++count;
+	    }
+	}
+
+      (void) closedir (d);
+    }
+
+  /* compat: if GX_ADDCURDIR, add the passed directory also.  Add an empty
+     directory name as a placeholder if GX_NULLDIR (in which case the passed
+     directory name is "."). */
+  if (add_current)
+    {
+      sdlen = strlen (dir);
+      nextname = (char *)malloc (sdlen + 1);
+      nextlink = (struct globval *) malloc (sizeof (struct globval));
+      if (nextlink == 0 || nextname == 0)
+	{
+	  FREE (nextlink);
+	  FREE (nextname);
+	  lose = 1;
+	}
+      else
+	{
+	  nextlink->name = nextname;
+	  nextlink->next = lastlink;
+	  lastlink = nextlink;
+	  if (flags & GX_NULLDIR)
+	    nextname[0] = '\0';
+	  else
+	    bcopy (dir, nextname, sdlen + 1);
+	  ++count;
+	}
+    }
+
+  if (lose == 0)
+    {
+      name_vector = (char **) malloc ((count + 1) * sizeof (char *));
+      lose |= name_vector == NULL;
+    }
+
+  /* Have we run out of memory?	 */
+  if (lose)
+    {
+      tmplink = 0;
+
+      /* Here free the strings we have got.  */
+      while (lastlink)
+	{
+	  /* Since we build the list in reverse order, the first N entries
+	     will be allocated with malloc, if firstmalloc is set, from
+	     lastlink to firstmalloc. */
+	  if (firstmalloc)
+	    {
+	      if (lastlink == firstmalloc)
+		firstmalloc = 0;
+	      tmplink = lastlink;
+	    }
+	  else
+	    tmplink = 0;
+	  free (lastlink->name);
+	  lastlink = lastlink->next;
+	  FREE (tmplink);
+	}
+
+      /* Don't call QUIT; here; let higher layers deal with it. */
+
+      return ((char **)NULL);
+    }
+
+  /* Copy the name pointers from the linked list into the vector.  */
+  for (tmplink = lastlink, i = 0; i < count; ++i)
+    {
+      name_vector[i] = tmplink->name;
+      tmplink = tmplink->next;
+    }
+
+  name_vector[count] = NULL;
+
+  /* If we allocated some of the struct globvals, free them now. */
+  if (firstmalloc)
+    {
+      tmplink = 0;
+      while (lastlink)
+	{
+	  tmplink = lastlink;
+	  if (lastlink == firstmalloc)
+	    lastlink = firstmalloc = 0;
+	  else
+	    lastlink = lastlink->next;
+	  free (tmplink);
+	}
+    }
+
+  return (name_vector);
+}
+
+/* Return a new array which is the concatenation of each string in ARRAY
+   to DIR.  This function expects you to pass in an allocated ARRAY, and
+   it takes care of free()ing that array.  Thus, you might think of this
+   function as side-effecting ARRAY.  This should handle GX_MARKDIRS. */
+static char **
+glob_dir_to_array (dir, array, flags)
+     char *dir, **array;
+     int flags;
+{
+  register unsigned int i, l;
+  int add_slash;
+  char **result, *new;
+  struct stat sb;
+
+  l = strlen (dir);
+  if (l == 0)
+    {
+      if (flags & GX_MARKDIRS)
+	for (i = 0; array[i]; i++)
+	  {
+	    if ((stat (array[i], &sb) == 0) && S_ISDIR (sb.st_mode))
+	      {
+		l = strlen (array[i]);
+		new = (char *)realloc (array[i], l + 2);
+		if (new == 0)
+		  return NULL;
+		new[l] = '/';
+		new[l+1] = '\0';
+		array[i] = new;
+	      }
+	  }
+      return (array);
+    }
+
+  add_slash = dir[l - 1] != '/';
+
+  i = 0;
+  while (array[i] != NULL)
+    ++i;
+
+  result = (char **) malloc ((i + 1) * sizeof (char *));
+  if (result == NULL)
+    return (NULL);
+
+  for (i = 0; array[i] != NULL; i++)
+    {
+      /* 3 == 1 for NUL, 1 for slash at end of DIR, 1 for GX_MARKDIRS */
+      result[i] = (char *) malloc (l + strlen (array[i]) + 3);
+
+      if (result[i] == NULL)
+	{
+	  int ind;
+	  for (ind = 0; ind < i; ind++)
+	    free (result[ind]);
+	  free (result);
+	  return (NULL);
+	}
+
+      strcpy (result[i], dir);
+      if (add_slash)
+	result[i][l] = '/';
+      if (array[i][0])
+	{
+	  strcpy (result[i] + l + add_slash, array[i]);
+	  if (flags & GX_MARKDIRS)
+	    {
+	      if ((stat (result[i], &sb) == 0) && S_ISDIR (sb.st_mode))
+		{
+		  size_t rlen;
+		  rlen = strlen (result[i]);
+		  result[i][rlen] = '/';
+		  result[i][rlen+1] = '\0';
+		}
+	    }
+	}
+      else
+        result[i][l+add_slash] = '\0';
+    }
+  result[i] = NULL;
+
+  /* Free the input array.  */
+  for (i = 0; array[i] != NULL; i++)
+    free (array[i]);
+  free ((char *) array);
+
+  return (result);
+}
+
+/* Do globbing on PATHNAME.  Return an array of pathnames that match,
+   marking the end of the array with a null-pointer as an element.
+   If no pathnames match, then the array is empty (first element is null).
+   If there isn't enough memory, then return NULL.
+   If a file system error occurs, return -1; `errno' has the error code.  */
+char **
+glob_filename (pathname, flags)
+     char *pathname;
+     int flags;
+{
+  char **result, **new_result;
+  unsigned int result_size;
+  char *directory_name, *filename, *dname, *fn;
+  unsigned int directory_len;
+  int free_dirname;			/* flag */
+  int dflags, hasglob;
+
+  result = (char **) malloc (sizeof (char *));
+  result_size = 1;
+  if (result == NULL)
+    return (NULL);
+
+  result[0] = NULL;
+
+  directory_name = NULL;
+
+  /* Find the filename.  */
+  filename = strrchr (pathname, '/');
+#if defined (EXTENDED_GLOB)
+  if (filename && extended_glob)
+    {
+      fn = glob_dirscan (pathname, '/');
+#if DEBUG_MATCHING
+      if (fn != filename)
+	fprintf (stderr, "glob_filename: glob_dirscan: fn (%s) != filename (%s)\n", fn ? fn : "(null)", filename);
+#endif
+      filename = fn;
+    }
+#endif
+
+  if (filename == NULL)
+    {
+      filename = pathname;
+      directory_name = "";
+      directory_len = 0;
+      free_dirname = 0;
+    }
+  else
+    {
+      directory_len = (filename - pathname) + 1;
+      directory_name = (char *) malloc (directory_len + 1);
+
+      if (directory_name == 0)		/* allocation failed? */
+	{
+	  free (result);
+	  return (NULL);
+	}
+
+      bcopy (pathname, directory_name, directory_len);
+      directory_name[directory_len] = '\0';
+      ++filename;
+      free_dirname = 1;
+    }
+
+  hasglob = 0;
+  /* If directory_name contains globbing characters, then we
+     have to expand the previous levels.  Just recurse.
+     If glob_pattern_p returns != [0,1] we have a pattern that has backslash
+     quotes but no unquoted glob pattern characters. We dequote it below. */
+  if (directory_len > 0 && (hasglob = glob_pattern_p (directory_name)) == 1)
+    {
+      char **directories, *d, *p;
+      register unsigned int i;
+      int all_starstar, last_starstar;
+
+      all_starstar = last_starstar = 0;
+      d = directory_name;
+      dflags = flags & ~GX_MARKDIRS;
+      /* Collapse a sequence of ** patterns separated by one or more slashes
+	 to a single ** terminated by a slash or NUL */
+      if ((flags & GX_GLOBSTAR) && d[0] == '*' && d[1] == '*' && (d[2] == '/' || d[2] == '\0'))
+	{
+	  p = d;
+	  while (d[0] == '*' && d[1] == '*' && (d[2] == '/' || d[2] == '\0'))
+	    {
+	      p = d;
+	      if (d[2])
+		{
+		  d += 3;
+		  while (*d == '/')
+		    d++;
+		  if (*d == 0)
+		    break;
+		}
+	    }
+	  if (*d == 0)
+	    all_starstar = 1;
+	  d = p;
+	  dflags |= GX_ALLDIRS|GX_ADDCURDIR;
+	  directory_len = strlen (d);
+	}
+
+      /* If there is a non [star][star]/ component in directory_name, we
+	 still need to collapse trailing sequences of [star][star]/ into
+	 a single one and note that the directory name ends with [star][star],
+	 so we can compensate if filename is [star][star] */
+      if ((flags & GX_GLOBSTAR) && all_starstar == 0)
+	{
+	  int dl, prev;
+	  prev = dl = directory_len;
+	  while (dl >= 4 && d[dl - 1] == '/' &&
+			   d[dl - 2] == '*' &&
+			   d[dl - 3] == '*' &&
+			   d[dl - 4] == '/')
+	    prev = dl, dl -= 3;
+	  if (dl != directory_len)
+	    last_starstar = 1;
+	  directory_len = prev;
+	}
+
+      /* If the directory name ends in [star][star]/ but the filename is
+	 [star][star], just remove the final [star][star] from the directory
+	 so we don't have to scan everything twice. */
+      if (last_starstar && directory_len > 4 &&
+	    filename[0] == '*' && filename[1] == '*' && filename[2] == 0)
+	{
+	  directory_len -= 3;
+	}
+
+      if (d[directory_len - 1] == '/')
+	d[directory_len - 1] = '\0';
+
+      directories = glob_filename (d, dflags|GX_RECURSE);
+
+      if (free_dirname)
+	{
+	  free (directory_name);
+	  directory_name = NULL;
+	}
+
+      if (directories == NULL)
+	goto memory_error;
+      else if (directories == (char **)&glob_error_return)
+	{
+	  free ((char *) result);
+	  return ((char **) &glob_error_return);
+	}
+      else if (*directories == NULL)
+	{
+	  free ((char *) directories);
+	  free ((char *) result);
+	  return ((char **) &glob_error_return);
+	}
+
+      /* If we have something like [star][star]/[star][star], it's no use to
+         glob **, then do it again, and throw half the results away.  */
+      if (all_starstar && filename[0] == '*' && filename[1] == '*' && filename[2] == 0)
+	{
+	  free ((char *) directories);
+	  free (directory_name);
+	  directory_name = NULL;
+	  directory_len = 0;
+	  goto only_filename;
+	}
+
+      /* We have successfully globbed the preceding directory name.
+	 For each name in DIRECTORIES, call glob_vector on it and
+	 FILENAME.  Concatenate the results together.  */
+      for (i = 0; directories[i] != NULL; ++i)
+	{
+	  char **temp_results;
+	  int shouldbreak;
+
+	  shouldbreak = 0;
+	  /* XXX -- we've recursively scanned any directories resulting from
+	     a `**', so turn off the flag.  We turn it on again below if
+	     filename is `**' */
+	  /* Scan directory even on a NULL filename.  That way, `*h/'
+	     returns only directories ending in `h', instead of all
+	     files ending in `h' with a `/' appended. */
+	  dname = directories[i];
+	  dflags = flags & ~(GX_MARKDIRS|GX_ALLDIRS|GX_ADDCURDIR);
+	  /* last_starstar? */
+	  if ((flags & GX_GLOBSTAR) && filename[0] == '*' && filename[1] == '*' && filename[2] == '\0')
+	    dflags |= GX_ALLDIRS|GX_ADDCURDIR;
+	  if (dname[0] == '\0' && filename[0])
+	    {
+	      dflags |= GX_NULLDIR;
+	      dname = ".";	/* treat null directory name and non-null filename as current directory */
+	    }
+
+	  /* Special handling for symlinks to directories with globstar on */
+	  if (all_starstar && (dflags & GX_NULLDIR) == 0)
+	    {
+	      int dlen;
+
+	      /* If we have a directory name that is not null (GX_NULLDIR above)
+		 and is a symlink to a directory, we return the symlink if
+		 we're not `descending' into it (filename[0] == 0) and return
+		 glob_error_return (which causes the code below to skip the
+		 name) otherwise. I should fold this into a test that does both
+		 checks instead of calling stat twice. */
+	      if (glob_testdir (dname, flags|GX_ALLDIRS) == -2 && glob_testdir (dname, 0) == 0)
+		{
+		  if (filename[0] != 0)
+		    temp_results = (char **)&glob_error_return;		/* skip */
+		  else
+		    {
+		      /* Construct array to pass to glob_dir_to_array */
+		      temp_results = (char **)malloc (2 * sizeof (char *));
+		      if (temp_results == NULL)
+			goto memory_error;
+		      temp_results[0] = (char *)malloc (1);
+		      if (temp_results[0] == 0)
+			{
+			  free (temp_results);
+			  goto memory_error;
+			}
+		      **temp_results = '\0';
+		      temp_results[1] = NULL;
+		      dflags |= GX_SYMLINK;	/* mostly for debugging */
+		    }
+		}
+	      else
+		temp_results = glob_vector (filename, dname, dflags);
+	    }
+	  else
+	    temp_results = glob_vector (filename, dname, dflags);
+
+	  /* Handle error cases. */
+	  if (temp_results == NULL)
+	    goto memory_error;
+	  else if (temp_results == (char **)&glob_error_return)
+	    /* This filename is probably not a directory.  Ignore it.  */
+	    ;
+	  else
+	    {
+	      char **array;
+	      register unsigned int l;
+
+	      /* If we're expanding **, we don't need to glue the directory
+		 name to the results; we've already done it in glob_vector */
+	      if ((dflags & GX_ALLDIRS) && filename[0] == '*' && filename[1] == '*' && (filename[2] == '\0' || filename[2] == '/'))
+		{
+		  /* When do we remove null elements from temp_results?  And
+		     how to avoid duplicate elements in the final result? */
+		  /* If (dflags & GX_NULLDIR) glob_filename potentially left a
+		     NULL placeholder in the temp results just in case
+		     glob_vector/glob_dir_to_array did something with it, but
+		     if it didn't, and we're not supposed to be passing them
+		     through for some reason ((flags & GX_NULLDIR) == 0) we
+		     need to remove all the NULL elements from the beginning
+		     of TEMP_RESULTS. */
+		  /* If we have a null directory name and ** as the filename,
+		     we have just searched for everything from the current
+		     directory on down. Break now (shouldbreak = 1) to avoid
+		     duplicate entries in the final result. */
+#define NULL_PLACEHOLDER(x)	((x) && *(x) && **(x) == 0)
+		  if ((dflags & GX_NULLDIR) && (flags & GX_NULLDIR) == 0 &&
+			NULL_PLACEHOLDER (temp_results))
+#undef NULL_PLACEHOLDER
+		    {
+		      register int i, n;
+		      for (n = 0; temp_results[n] && *temp_results[n] == 0; n++)
+			;
+		      i = n;
+		      do
+			temp_results[i - n] = temp_results[i];
+		      while (temp_results[i++] != 0);
+		      array = temp_results;
+		      shouldbreak = 1;
+		    }
+	          else
+		    array = temp_results;
+		}
+	      else if (dflags & GX_SYMLINK)
+		array = glob_dir_to_array (directories[i], temp_results, flags);
+	      else
+		array = glob_dir_to_array (directories[i], temp_results, flags);
+	      l = 0;
+	      while (array[l] != NULL)
+		++l;
+
+	      new_result = (char **)realloc (result, (result_size + l) * sizeof (char *));
+
+	      if (new_result == NULL)
+		{
+		  for (l = 0; array[l]; ++l)
+		    free (array[l]);
+		  free ((char *)array);
+		  goto memory_error;
+		}
+	      result = new_result;
+
+	      for (l = 0; array[l] != NULL; ++l)
+		result[result_size++ - 1] = array[l];
+
+	      result[result_size - 1] = NULL;
+
+	      /* Note that the elements of ARRAY are not freed.  */
+	      if (array != temp_results)
+		free ((char *) array);
+	      else if ((dflags & GX_ALLDIRS) && filename[0] == '*' && filename[1] == '*' && filename[2] == '\0')
+		free (temp_results);	/* expanding ** case above */
+
+	      if (shouldbreak)
+		break;
+	    }
+	}
+      /* Free the directories.  */
+      for (i = 0; directories[i]; i++)
+	free (directories[i]);
+
+      free ((char *) directories);
+
+      return (result);
+    }
+
+only_filename:
+  /* If there is only a directory name, return it. */
+  if (*filename == '\0')
+    {
+      result = (char **) realloc ((char *) result, 2 * sizeof (char *));
+      if (result == NULL)
+	{
+	  if (free_dirname)
+	    free (directory_name);
+	  return (NULL);
+	}
+      /* If we have a directory name with quoted characters, and we are
+	 being called recursively to glob the directory portion of a pathname,
+	 we need to dequote the directory name before returning it so the
+	 caller can read the directory */
+      if (directory_len > 0 && hasglob == 2 && (flags & GX_RECURSE) != 0)
+	{
+	  dequote_pathname (directory_name);
+	  directory_len = strlen (directory_name);
+	}
+
+      /* We could check whether or not the dequoted directory_name is a
+	 directory and return it here, returning the original directory_name
+	 if not, but we don't do that. We do return the dequoted directory
+	 name if we're not being called recursively and the dequoted name
+	 corresponds to an actual directory. For better backwards compatibility,
+	 we can return &glob_error_return unconditionally in this case. */
+
+      if (directory_len > 0 && hasglob == 2 && (flags & GX_RECURSE) == 0)
+	{
+	  dequote_pathname (directory_name);
+	  if (glob_testdir (directory_name, 0) < 0)
+	    {
+	      if (free_dirname)
+		free (directory_name);
+	      return ((char **)&glob_error_return);
+	    }
+	}
+
+      /* Handle GX_MARKDIRS here. */
+      result[0] = (char *) malloc (directory_len + 1);
+      if (result[0] == NULL)
+	goto memory_error;
+      bcopy (directory_name, result[0], directory_len + 1);
+      if (free_dirname)
+	free (directory_name);
+      result[1] = NULL;
+      return (result);
+    }
+  else
+    {
+      char **temp_results;
+
+      /* There are no unquoted globbing characters in DIRECTORY_NAME.
+	 Dequote it before we try to open the directory since there may
+	 be quoted globbing characters which should be treated verbatim. */
+      if (directory_len > 0)
+	dequote_pathname (directory_name);
+
+      /* We allocated a small array called RESULT, which we won't be using.
+	 Free that memory now. */
+      free (result);
+
+      /* Just return what glob_vector () returns appended to the
+	 directory name. */
+      /* If flags & GX_ALLDIRS, we're called recursively */
+      dflags = flags & ~GX_MARKDIRS;
+      if (directory_len == 0)
+	dflags |= GX_NULLDIR;
+      if ((flags & GX_GLOBSTAR) && filename[0] == '*' && filename[1] == '*' && filename[2] == '\0')
+	{
+	  dflags |= GX_ALLDIRS|GX_ADDCURDIR;
+#if 0
+	  /* If we want all directories (dflags & GX_ALLDIRS) and we're not
+	     being called recursively as something like `echo [star][star]/[star].o'
+	     ((flags & GX_ALLDIRS) == 0), we want to prevent glob_vector from
+	     adding a null directory name to the front of the temp_results
+	     array.  We turn off ADDCURDIR if not called recursively and
+	     dlen == 0 */
+#endif
+	  if (directory_len == 0 && (flags & GX_ALLDIRS) == 0)
+	    dflags &= ~GX_ADDCURDIR;
+	}
+      temp_results = glob_vector (filename,
+				  (directory_len == 0 ? "." : directory_name),
+				  dflags);
+
+      if (temp_results == NULL || temp_results == (char **)&glob_error_return)
+	{
+	  if (free_dirname)
+	    free (directory_name);
+	  QUIT;			/* XXX - shell */
+	  run_pending_traps ();
+	  return (temp_results);
+	}
+
+      result = glob_dir_to_array ((dflags & GX_ALLDIRS) ? "" : directory_name, temp_results, flags);
+
+      if (free_dirname)
+	free (directory_name);
+      return (result);
+    }
+
+  /* We get to memory_error if the program has run out of memory, or
+     if this is the shell, and we have been interrupted. */
+ memory_error:
+  if (result != NULL)
+    {
+      register unsigned int i;
+      for (i = 0; result[i] != NULL; ++i)
+	free (result[i]);
+      free ((char *) result);
+    }
+
+  if (free_dirname && directory_name)
+    free (directory_name);
+
+  QUIT;
+  run_pending_traps ();
+
+  return (NULL);
+}
+
+#if defined (TEST)
+
+main (argc, argv)
+     int argc;
+     char **argv;
+{
+  unsigned int i;
+
+  for (i = 1; i < argc; ++i)
+    {
+      char **value = glob_filename (argv[i], 0);
+      if (value == NULL)
+	puts ("Out of memory.");
+      else if (value == &glob_error_return)
+	perror (argv[i]);
+      else
+	for (i = 0; value[i] != NULL; i++)
+	  puts (value[i]);
+    }
+
+  exit (0);
+}
+#endif	/* TEST.  */