svn commit: trunk/uClibc/test/misc

vapier at uclibc.org vapier at uclibc.org
Tue Feb 28 00:11:07 UTC 2006


Author: vapier
Date: 2006-02-27 16:11:06 -0800 (Mon, 27 Feb 2006)
New Revision: 14321

Log:
grab some tests from glibc

Added:
   trunk/uClibc/test/misc/bug-glob1.c
   trunk/uClibc/test/misc/bug-glob2.c
   trunk/uClibc/test/misc/tst-gnuglob.c


Changeset:
Added: trunk/uClibc/test/misc/bug-glob1.c
===================================================================
--- trunk/uClibc/test/misc/bug-glob1.c	2006-02-28 00:08:19 UTC (rev 14320)
+++ trunk/uClibc/test/misc/bug-glob1.c	2006-02-28 00:11:06 UTC (rev 14321)
@@ -0,0 +1,94 @@
+/* Test case for globbing dangling symlink.  By Ulrich Drepper.  */
+#include <errno.h>
+#include <error.h>
+#include <glob.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+
+
+static void prepare (int argc, char *argv[]);
+#define PREPARE prepare
+static int do_test (void);
+#define TEST_FUNCTION do_test ()
+
+#include "../test-skeleton.c"
+
+
+static char *fname;
+
+static void
+prepare (int argc, char *argv[])
+{
+  if (argc < 2)
+    error (EXIT_FAILURE, 0, "missing argument");
+
+  size_t len = strlen (argv[1]);
+  static const char ext[] = "globXXXXXX";
+  fname = malloc (len + sizeof (ext));
+  if (fname == NULL)
+    error (EXIT_FAILURE, errno, "cannot create temp file");
+ again:
+  strcpy (stpcpy (fname, argv[1]), ext);
+
+/*
+  fname = mktemp (fname);
+*/
+  close(mkstemp(fname));
+  unlink(fname);
+
+  if (fname == NULL || *fname == '\0')
+    error (EXIT_FAILURE, errno, "cannot create temp file name");
+  if (symlink ("bug-glob1-does-not-exist", fname) != 0)
+    {
+      if (errno == EEXIST)
+	goto again;
+
+      error (EXIT_FAILURE, errno, "cannot create symlink");
+    }
+  add_temp_file (fname);
+}
+
+
+static int
+do_test (void)
+{
+  glob_t gl;
+  int retval = 0;
+  int e;
+
+  e = glob (fname, 0, NULL, &gl);
+  if (e == 0)
+    {
+      printf ("glob(\"%s\") succeeded when it should not have\n", fname);
+      retval = 1;
+    }
+  globfree (&gl);
+
+  size_t fnamelen = strlen (fname);
+  char buf[fnamelen + 2];
+
+  strcpy (buf, fname);
+  buf[fnamelen - 1] = '?';
+  e = glob (buf, 0, NULL, &gl);
+  if (e == 0)
+    {
+      printf ("glob(\"%s\") succeeded when it should not have\n", buf);
+      retval = 1;
+    }
+  globfree (&gl);
+
+  strcpy (buf, fname);
+  buf[fnamelen] = '*';
+  buf[fnamelen + 1] = '\0';
+  e = glob (buf, 0, NULL, &gl);
+  if (e == 0)
+    {
+      printf ("glob(\"%s\") succeeded when it should not have\n", buf);
+      retval = 1;
+    }
+  globfree (&gl);
+
+  return retval;
+}

Added: trunk/uClibc/test/misc/bug-glob2.c
===================================================================
--- trunk/uClibc/test/misc/bug-glob2.c	2006-02-28 00:08:19 UTC (rev 14320)
+++ trunk/uClibc/test/misc/bug-glob2.c	2006-02-28 00:11:06 UTC (rev 14321)
@@ -0,0 +1,302 @@
+/* Test glob memory management.
+   for the filesystem access functions.
+   Copyright (C) 2001, 2002, 2004 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C 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
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
+
+#include <errno.h>
+#include <error.h>
+#include <dirent.h>
+#include <glob.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <sys/stat.h>
+
+// #define DEBUG
+#ifdef DEBUG
+# define PRINTF(fmt, args...) \
+  do					\
+    {					\
+      int save_errno = errno;		\
+      printf (fmt, ##args);		\
+      errno = save_errno;		\
+    } while (0)
+#else
+# define PRINTF(fmt, args...)
+#endif
+
+
+#ifdef GLOB_ALTDIRFUNC
+static struct
+{
+  const char *name;
+  int level;
+  int type;
+  mode_t mode;
+} filesystem[] =
+{
+  { ".", 1, DT_DIR, 0755 },
+  { "..", 1, DT_DIR, 0755 },
+  { "dir", 1, DT_DIR, 0755 },
+    { ".", 2, DT_DIR, 0755 },
+    { "..", 2, DT_DIR, 0755 },
+    { "readable", 2, DT_DIR, 0755 },
+      { ".", 3, DT_DIR, 0755 },
+      { "..", 3, DT_DIR, 0755 },
+      { "a", 3, DT_REG, 0644 },
+    { "unreadable", 2, DT_DIR, 0111 },
+      { ".", 3, DT_DIR, 0111 },
+      { "..", 3, DT_DIR, 0755 },
+      { "a", 3, DT_REG, 0644 },
+    { "zz-readable", 2, DT_DIR, 0755 },
+      { ".", 3, DT_DIR, 0755 },
+      { "..", 3, DT_DIR, 0755 },
+      { "a", 3, DT_REG, 0644 }
+};
+#define nfiles (sizeof (filesystem) / sizeof (filesystem[0]))
+
+
+typedef struct
+{
+  int level;
+  int idx;
+  struct dirent d;
+  char room_for_dirent[NAME_MAX];
+} my_DIR;
+
+
+static long int
+find_file (const char *s)
+{
+  int level = 1;
+  long int idx = 0;
+
+  if (strcmp (s, ".") == 0)
+    return 0;
+
+  if (s[0] == '.' && s[1] == '/')
+    s += 2;
+
+  while (*s != '\0')
+    {
+      char *endp = strchrnul (s, '/');
+
+      PRINTF ("looking for %.*s, level %d\n", (int) (endp - s), s, level);
+
+      while (idx < nfiles && filesystem[idx].level >= level)
+	{
+	  if (filesystem[idx].level == level
+	      && memcmp (s, filesystem[idx].name, endp - s) == 0
+	      && filesystem[idx].name[endp - s] == '\0')
+	    break;
+	  ++idx;
+	}
+
+      if (idx == nfiles || filesystem[idx].level < level)
+	{
+	  errno = ENOENT;
+	  return -1;
+	}
+
+      if (*endp == '\0')
+	return idx + 1;
+
+      if (filesystem[idx].type != DT_DIR
+	  && (idx + 1 >= nfiles
+	      || filesystem[idx].level >= filesystem[idx + 1].level))
+	{
+	  errno = ENOTDIR;
+	  return -1;
+	}
+
+      ++idx;
+
+      s = endp + 1;
+      ++level;
+    }
+
+  errno = ENOENT;
+  return -1;
+}
+
+
+static void *
+my_opendir (const char *s)
+{
+  long int idx = find_file (s);
+  my_DIR *dir;
+
+  if (idx == -1)
+    {
+      PRINTF ("my_opendir(\"%s\") == NULL (%m)\n", s);
+      return NULL;
+    }
+
+  if ((filesystem[idx].mode & 0400) == 0)
+    {
+      errno = EACCES;
+      PRINTF ("my_opendir(\"%s\") == NULL (%m)\n", s);
+      return NULL;
+    }
+
+  dir = (my_DIR *) malloc (sizeof (my_DIR));
+  if (dir == NULL)
+    {
+      printf ("cannot allocate directory handle: %m\n");
+      exit (EXIT_FAILURE);
+    }
+
+  dir->level = filesystem[idx].level;
+  dir->idx = idx;
+
+  PRINTF ("my_opendir(\"%s\") == { level: %d, idx: %ld }\n",
+	  s, filesystem[idx].level, idx);
+
+  return dir;
+}
+
+
+static struct dirent *
+my_readdir (void *gdir)
+{
+  my_DIR *dir = gdir;
+
+  if (dir->idx == -1)
+    {
+      PRINTF ("my_readdir ({ level: %d, idx: %ld }) = NULL\n",
+	      dir->level, (long int) dir->idx);
+      return NULL;
+    }
+
+  while (dir->idx < nfiles && filesystem[dir->idx].level > dir->level)
+    ++dir->idx;
+
+  if (dir->idx == nfiles || filesystem[dir->idx].level < dir->level)
+    {
+      dir->idx = -1;
+      PRINTF ("my_readdir ({ level: %d, idx: %ld }) = NULL\n",
+	      dir->level, (long int) dir->idx);
+      return NULL;
+    }
+
+  dir->d.d_ino = dir->idx;
+
+#ifdef _DIRENT_HAVE_D_TYPE
+  dir->d.d_type = filesystem[dir->idx].type;
+#endif
+
+  strcpy (dir->d.d_name, filesystem[dir->idx].name);
+
+#ifdef _DIRENT_HAVE_D_TYPE
+  PRINTF ("my_readdir ({ level: %d, idx: %ld }) = { d_ino: %ld, d_type: %d, d_name: \"%s\" }\n",
+	  dir->level, (long int) dir->idx, dir->d.d_ino, dir->d.d_type,
+	  dir->d.d_name);
+#else
+  PRINTF ("my_readdir ({ level: %d, idx: %ld }) = { d_ino: %ld, d_name: \"%s\" }\n",
+	  dir->level, (long int) dir->idx, dir->d.d_ino,
+	  dir->d.d_name);
+#endif
+
+  ++dir->idx;
+
+  return &dir->d;
+}
+
+
+static void
+my_closedir (void *dir)
+{
+  PRINTF ("my_closedir ()\n");
+  free (dir);
+}
+
+
+/* We use this function for lstat as well since we don't have any.  */
+static int
+my_stat (const char *name, struct stat *st)
+{
+  long int idx = find_file (name);
+
+  if (idx == -1)
+    {
+      PRINTF ("my_stat (\"%s\", ...) = -1 (%m)\n", name);
+      return -1;
+    }
+
+  memset (st, '\0', sizeof (*st));
+
+  if (filesystem[idx].type == DT_UNKNOWN)
+    st->st_mode = DTTOIF (idx + 1 < nfiles
+			  && filesystem[idx].level < filesystem[idx + 1].level
+			  ? DT_DIR : DT_REG) | filesystem[idx].mode;
+  else
+    st->st_mode = DTTOIF (filesystem[idx].type) | filesystem[idx].mode;
+
+  PRINTF ("my_stat (\"%s\", { st_mode: %o }) = 0\n", name, st->st_mode);
+
+  return 0;
+}
+
+
+static void
+init_glob_altdirfuncs (glob_t *pglob)
+{
+  pglob->gl_closedir = my_closedir;
+  pglob->gl_readdir = my_readdir;
+  pglob->gl_opendir = my_opendir;
+  pglob->gl_lstat = my_stat;
+  pglob->gl_stat = my_stat;
+}
+
+
+int
+do_test (void)
+{
+  glob_t gl;
+  memset (&gl, 0, sizeof (gl));
+  init_glob_altdirfuncs (&gl);
+
+  if (glob ("dir/*able/*", GLOB_ERR | GLOB_ALTDIRFUNC, NULL, &gl)
+      != GLOB_ABORTED)
+    {
+      puts ("glob did not fail with GLOB_ABORTED");
+      exit (EXIT_FAILURE); 
+    }
+
+  globfree (&gl);
+
+  memset (&gl, 0, sizeof (gl));
+  init_glob_altdirfuncs (&gl);
+
+  gl.gl_offs = 3;
+  if (glob ("dir2/*", GLOB_DOOFFS, NULL, &gl) != GLOB_NOMATCH)
+    {
+      puts ("glob did not fail with GLOB_NOMATCH");
+      exit (EXIT_FAILURE); 
+    }
+
+  globfree (&gl);
+
+  return 0;
+}
+#else
+int do_test (void) { return 0; }
+#endif
+
+#define TEST_FUNCTION do_test ()
+#include "../test-skeleton.c"

Added: trunk/uClibc/test/misc/tst-gnuglob.c
===================================================================
--- trunk/uClibc/test/misc/tst-gnuglob.c	2006-02-28 00:08:19 UTC (rev 14320)
+++ trunk/uClibc/test/misc/tst-gnuglob.c	2006-02-28 00:11:06 UTC (rev 14321)
@@ -0,0 +1,449 @@
+/* Test the GNU extensions in glob which allow the user to provide callbacks
+   for the filesystem access functions.
+   Copyright (C) 2001-2002 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Ulrich Drepper <drepper at redhat.com>, 2001.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C 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
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
+
+#include <dirent.h>
+#include <errno.h>
+#include <error.h>
+#include <glob.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/stat.h>
+
+
+// #define DEBUG
+#ifdef DEBUG
+# define PRINTF(fmt, args...) printf (fmt, ##args)
+#else
+# define PRINTF(fmt, args...)
+#endif
+
+
+#ifdef GLOB_ALTDIRFUNC
+static struct
+{
+  const char *name;
+  int level;
+  int type;
+} filesystem[] =
+{
+  { ".", 1, DT_DIR },
+  { "..", 1, DT_DIR },
+  { "file1lev1", 1, DT_REG },
+  { "file2lev1", 1, DT_UNKNOWN },
+  { "dir1lev1", 1, DT_UNKNOWN },
+    { ".", 2, DT_DIR },
+    { "..", 2, DT_DIR },
+    { "file1lev2", 2, DT_REG },
+    { "dir1lev2", 2, DT_DIR },
+      { ".", 3, DT_DIR },
+      { "..", 3, DT_DIR },
+    { "dir2lev2", 2, DT_DIR },
+      { ".", 3, DT_DIR },
+      { "..", 3, DT_DIR },
+      { ".foo", 3, DT_REG },
+      { "dir1lev3", 3, DT_DIR },
+        { ".", 4, DT_DIR },
+        { "..", 4, DT_DIR },
+        { "file1lev4", 4, DT_REG },
+      { "file1lev3", 3, DT_REG },
+      { "file2lev3", 3, DT_REG },
+    { "file2lev2", 2, DT_REG },
+    { "file3lev2", 2, DT_REG },
+    { "dir3lev2", 2, DT_DIR },
+      { ".", 3, DT_DIR },
+      { "..", 3, DT_DIR },
+      { "file3lev3", 3, DT_REG },
+      { "file4lev3", 3, DT_REG },
+  { "dir2lev1", 1, DT_DIR },
+    { ".", 2, DT_DIR },
+    { "..", 2, DT_DIR },
+    { "dir1lev2", 2, DT_UNKNOWN },
+      { ".", 3, DT_DIR },
+      { "..", 3, DT_DIR },
+      { ".foo", 3, DT_REG },
+      { ".dir", 3, DT_DIR },
+        { ".", 4, DT_DIR },
+        { "..", 4, DT_DIR },
+        { "hidden", 4, DT_REG }
+};
+#define nfiles (sizeof (filesystem) / sizeof (filesystem[0]))
+
+
+typedef struct
+{
+  int level;
+  int idx;
+  struct dirent d;
+  char room_for_dirent[NAME_MAX];
+} my_DIR;
+
+
+static long int
+find_file (const char *s)
+{
+  int level = 1;
+  long int idx = 0;
+
+  if (strcmp (s, ".") == 0)
+    return 0;
+
+  if (s[0] == '.' && s[1] == '/')
+    s += 2;
+
+  while (*s != '\0')
+    {
+      char *endp = strchrnul (s, '/');
+
+      PRINTF ("looking for %.*s, level %d\n", (int) (endp - s), s, level);
+
+      while (idx < nfiles && filesystem[idx].level >= level)
+	{
+	  if (filesystem[idx].level == level
+	      && memcmp (s, filesystem[idx].name, endp - s) == 0
+	      && filesystem[idx].name[endp - s] == '\0')
+	    break;
+	  ++idx;
+	}
+
+      if (idx == nfiles || filesystem[idx].level < level)
+	{
+	  errno = ENOENT;
+	  return -1;
+	}
+
+      if (*endp == '\0')
+	return idx + 1;
+
+      if (filesystem[idx].type != DT_DIR
+	  && (idx + 1 >= nfiles
+	      || filesystem[idx].level >= filesystem[idx + 1].level))
+	{
+	  errno = ENOTDIR;
+	  return -1;
+	}
+
+      ++idx;
+
+      s = endp + 1;
+      ++level;
+    }
+
+  errno = ENOENT;
+  return -1;
+}
+
+
+static void *
+my_opendir (const char *s)
+{
+  long int idx = find_file (s);
+  my_DIR *dir;
+
+
+  if (idx == -1)
+    {
+      PRINTF ("my_opendir(\"%s\") == NULL\n", s);
+      return NULL;
+    }
+
+  dir = (my_DIR *) malloc (sizeof (my_DIR));
+  if (dir == NULL)
+    error (EXIT_FAILURE, errno, "cannot allocate directory handle");
+
+  dir->level = filesystem[idx].level;
+  dir->idx = idx;
+
+  PRINTF ("my_opendir(\"%s\") == { level: %d, idx: %ld }\n",
+	  s, filesystem[idx].level, idx);
+
+  return dir;
+}
+
+
+static struct dirent *
+my_readdir (void *gdir)
+{
+  my_DIR *dir = gdir;
+
+  if (dir->idx == -1)
+    {
+      PRINTF ("my_readdir ({ level: %d, idx: %ld }) = NULL\n",
+	      dir->level, (long int) dir->idx);
+      return NULL;
+    }
+
+  while (dir->idx < nfiles && filesystem[dir->idx].level > dir->level)
+    ++dir->idx;
+
+  if (dir->idx == nfiles || filesystem[dir->idx].level < dir->level)
+    {
+      dir->idx = -1;
+      PRINTF ("my_readdir ({ level: %d, idx: %ld }) = NULL\n",
+	      dir->level, (long int) dir->idx);
+      return NULL;
+    }
+
+  dir->d.d_ino = dir->idx;
+
+#ifdef _DIRENT_HAVE_D_TYPE
+  dir->d.d_type = filesystem[dir->idx].type;
+#endif
+
+  strcpy (dir->d.d_name, filesystem[dir->idx].name);
+
+#ifdef _DIRENT_HAVE_D_TYPE
+  PRINTF ("my_readdir ({ level: %d, idx: %ld }) = { d_ino: %ld, d_type: %d, d_name: \"%s\" }\n",
+	  dir->level, (long int) dir->idx, dir->d.d_ino, dir->d.d_type,
+	  dir->d.d_name);
+#else
+  PRINTF ("my_readdir ({ level: %d, idx: %ld }) = { d_ino: %ld, d_name: \"%s\" }\n",
+	  dir->level, (long int) dir->idx, dir->d.d_ino,
+	  dir->d.d_name);
+#endif
+
+  ++dir->idx;
+
+  return &dir->d;
+}
+
+
+static void
+my_closedir (void *dir)
+{
+  PRINTF ("my_closedir ()\n");
+  free (dir);
+}
+
+
+/* We use this function for lstat as well since we don't have any.  */
+static int
+my_stat (const char *name, struct stat *st)
+{
+  long int idx = find_file (name);
+
+  if (idx == -1)
+    {
+      PRINTF ("my_stat (\"%s\", ...) = -1 (%s)\n", name, strerror (errno));
+      return -1;
+    }
+
+  memset (st, '\0', sizeof (*st));
+
+  if (filesystem[idx].type == DT_UNKNOWN)
+    st->st_mode = DTTOIF (idx + 1 < nfiles
+			  && filesystem[idx].level < filesystem[idx + 1].level
+			  ? DT_DIR : DT_REG) | 0777;
+  else
+    st->st_mode = DTTOIF (filesystem[idx].type) | 0777;
+
+  PRINTF ("my_stat (\"%s\", { st_mode: %o }) = 0\n", name, st->st_mode);
+
+  return 0;
+}
+
+
+static const char *glob_errstring[] =
+{
+  [GLOB_NOSPACE] = "out of memory",
+  [GLOB_ABORTED] = "read error",
+  [GLOB_NOMATCH] = "no matches found"
+};
+#define nglob_errstring (sizeof (glob_errstring) / sizeof (glob_errstring[0]))
+
+
+static const char *
+flagstr (int flags)
+{
+  const char *strs[] =
+  {
+    "GLOB_ERR", "GLOB_MARK", "GLOB_NOSORT", "GLOB_DOOFSS", "GLOB_NOCHECK",
+    "GLOB_APPEND", "GLOB_NOESCAPE", "GLOB_PERIOD", "GLOB_MAGCHAR",
+    "GLOB_ALTDIRFUNC", "GLOB_BRACE", "GLOB_NOMAGIC", "GLOB_TILDE",
+    "GLOB_ONLYDIR", "GLOB_TILDECHECK"
+  };
+#define nstrs (sizeof (strs) / sizeof (strs[0]))
+  static char buf[100];
+  char *cp = buf;
+  int cnt;
+
+  for (cnt = 0; cnt < nstrs; ++cnt)
+    if (flags & (1 << cnt))
+      {
+	flags &= ~(1 << cnt);
+	if (cp != buf)
+	  *cp++ = '|';
+	cp = stpcpy (cp, strs[cnt]);
+      }
+
+  if (flags != 0)
+    {
+      if (cp != buf)
+	*cp++ = '|';
+      sprintf (cp, "%#x", flags);
+    }
+
+  return buf;
+}
+
+
+static int
+test_result (const char *fmt, int flags, glob_t *gl, const char *str[])
+{
+  size_t cnt;
+  int result = 0;
+
+  printf ("results for glob (\"%s\", %s)\n", fmt, flagstr (flags));
+  for (cnt = 0; cnt < gl->gl_pathc && str[cnt] != NULL; ++cnt)
+    {
+      int ok = strcmp (gl->gl_pathv[cnt], str[cnt]) == 0;
+      const char *errstr = "";
+
+      if (! ok)
+	{
+	  size_t inner;
+
+	  for (inner = 0; str[inner] != NULL; ++inner)
+	    if (strcmp (gl->gl_pathv[cnt], str[inner]) == 0)
+	      break;
+
+	  if (str[inner] == NULL)
+	    errstr =  ok ? "" : " *** WRONG";
+	  else
+	    errstr = ok ? "" : " * wrong position";
+
+	  result = 1;
+	}
+
+      printf ("  %s%s\n", gl->gl_pathv[cnt], errstr);
+    }
+  puts ("");
+
+  if (str[cnt] != NULL || cnt < gl->gl_pathc)
+    {
+      puts ("  *** incorrect number of entries");
+      result = 1;
+    }
+
+  return result;
+}
+
+
+int
+main (void)
+{
+  glob_t gl;
+  int errval;
+  int result = 0;
+  const char *fmt;
+  int flags;
+
+  mtrace ();
+
+  memset (&gl, '\0', sizeof (gl));
+
+  gl.gl_closedir = my_closedir;
+  gl.gl_readdir = my_readdir;
+  gl.gl_opendir = my_opendir;
+  gl.gl_lstat = my_stat;
+  gl.gl_stat = my_stat;
+
+#define test(a, b, c...) \
+  fmt = a;								      \
+  flags = b;								      \
+  errval = glob (fmt, flags, NULL, &gl);				      \
+  if (errval != 0)							      \
+    {									      \
+      printf ("glob (\"%s\", %s) failed: %s\n", fmt, flagstr (flags),	      \
+	      errval >= 0 && errval < nglob_errstring			      \
+	      ? glob_errstring[errval] : "???");			      \
+      result = 1;							      \
+    }									      \
+  else									      \
+    result |= test_result (fmt, flags, &gl, (const char *[]) { c, NULL })
+
+  test ("*/*/*", GLOB_ALTDIRFUNC,
+	"dir1lev1/dir2lev2/dir1lev3",
+	"dir1lev1/dir2lev2/file1lev3",
+	"dir1lev1/dir2lev2/file2lev3",
+	"dir1lev1/dir3lev2/file3lev3",
+	"dir1lev1/dir3lev2/file4lev3");
+
+  test ("*/*/*", GLOB_ALTDIRFUNC | GLOB_PERIOD,
+	"dir1lev1/dir1lev2/.",
+	"dir1lev1/dir1lev2/..",
+	"dir1lev1/dir2lev2/.",
+	"dir1lev1/dir2lev2/..",
+	"dir1lev1/dir2lev2/.foo",
+	"dir1lev1/dir2lev2/dir1lev3",
+	"dir1lev1/dir2lev2/file1lev3",
+	"dir1lev1/dir2lev2/file2lev3",
+	"dir1lev1/dir3lev2/.",
+	"dir1lev1/dir3lev2/..",
+	"dir1lev1/dir3lev2/file3lev3",
+	"dir1lev1/dir3lev2/file4lev3",
+	"dir2lev1/dir1lev2/.",
+	"dir2lev1/dir1lev2/..",
+	"dir2lev1/dir1lev2/.dir",
+	"dir2lev1/dir1lev2/.foo");
+
+  test ("*/*/.*", GLOB_ALTDIRFUNC,
+	"dir1lev1/dir1lev2/.",
+	"dir1lev1/dir1lev2/..",
+	"dir1lev1/dir2lev2/.",
+	"dir1lev1/dir2lev2/..",
+	"dir1lev1/dir2lev2/.foo",
+	"dir1lev1/dir3lev2/.",
+	"dir1lev1/dir3lev2/..",
+	"dir2lev1/dir1lev2/.",
+	"dir2lev1/dir1lev2/..",
+	"dir2lev1/dir1lev2/.dir",
+	"dir2lev1/dir1lev2/.foo");
+
+  test ("*1*/*2*/.*", GLOB_ALTDIRFUNC,
+	"dir1lev1/dir1lev2/.",
+	"dir1lev1/dir1lev2/..",
+	"dir1lev1/dir2lev2/.",
+	"dir1lev1/dir2lev2/..",
+	"dir1lev1/dir2lev2/.foo",
+	"dir1lev1/dir3lev2/.",
+	"dir1lev1/dir3lev2/..",
+	"dir2lev1/dir1lev2/.",
+	"dir2lev1/dir1lev2/..",
+	"dir2lev1/dir1lev2/.dir",
+	"dir2lev1/dir1lev2/.foo");
+
+  test ("*1*/*1*/.*", GLOB_ALTDIRFUNC,
+	"dir1lev1/dir1lev2/.",
+	"dir1lev1/dir1lev2/..",
+	"dir2lev1/dir1lev2/.",
+	"dir2lev1/dir1lev2/..",
+	"dir2lev1/dir1lev2/.dir",
+	"dir2lev1/dir1lev2/.foo");
+
+  globfree (&gl);
+
+  return result;
+}
+
+#else
+int main(void) { return 0; }
+#endif




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