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509 lines
11 KiB
C
509 lines
11 KiB
C
/* Template for tests of the GNU extension GLOB_ALTDIRFUNC.
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Copyright (C) 2001-2020 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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Contributed by Ulrich Drepper <drepper@redhat.com>, 2001.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<https://www.gnu.org/licenses/>. */
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/* To use this skeleton, the following macros need to be defined
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before inclusion of this file:
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GLOB_FUNC The glob function to test (glob or glob64)
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GLOB_TYPE The glob type expected by the function (glob_t, glob64_t)
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GLOBFREE_FUNC The corresponding deallocation function
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DIRENT_STRUCT The struct tag of the dirent type
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STAT_STRUCT The struct tag of the stat type
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*/
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#include <dirent.h>
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#include <errno.h>
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#include <error.h>
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#include <glob.h>
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#include <mcheck.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <sys/stat.h>
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#include <support/test-driver.h>
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static struct
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{
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const char *name;
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int level;
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int type;
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} filesystem[] =
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{
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{ ".", 1, DT_DIR },
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{ "..", 1, DT_DIR },
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{ "file1lev1", 1, DT_REG },
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{ "file2lev1", 1, DT_UNKNOWN },
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{ "dir1lev1", 1, DT_UNKNOWN },
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{ ".", 2, DT_DIR },
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{ "..", 2, DT_DIR },
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{ "file1lev2", 2, DT_REG },
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{ "dir1lev2", 2, DT_DIR },
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{ ".", 3, DT_DIR },
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{ "..", 3, DT_DIR },
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{ "dir2lev2", 2, DT_DIR },
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{ ".", 3, DT_DIR },
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{ "..", 3, DT_DIR },
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{ ".foo", 3, DT_REG },
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{ "dir1lev3", 3, DT_DIR },
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{ ".", 4, DT_DIR },
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{ "..", 4, DT_DIR },
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{ "file1lev4", 4, DT_REG },
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{ "file1lev3", 3, DT_REG },
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{ "file2lev3", 3, DT_REG },
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{ "file2lev2", 2, DT_REG },
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{ "file3lev2", 2, DT_REG },
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{ "dir3lev2", 2, DT_DIR },
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{ ".", 3, DT_DIR },
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{ "..", 3, DT_DIR },
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{ "file3lev3", 3, DT_REG },
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{ "file4lev3", 3, DT_REG },
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{ "dir2lev1", 1, DT_DIR },
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{ ".", 2, DT_DIR },
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{ "..", 2, DT_DIR },
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{ "dir1lev2", 2, DT_UNKNOWN },
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{ ".", 3, DT_DIR },
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{ "..", 3, DT_DIR },
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{ ".foo", 3, DT_REG },
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{ ".dir", 3, DT_DIR },
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{ ".", 4, DT_DIR },
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{ "..", 4, DT_DIR },
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{ "hidden", 4, DT_REG }
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};
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#define nfiles (sizeof (filesystem) / sizeof (filesystem[0]))
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typedef struct
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{
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int level;
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int idx;
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struct DIRENT_STRUCT d;
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char room_for_dirent[NAME_MAX];
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} my_DIR;
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static long int
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find_file (const char *s)
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{
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int level = 1;
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long int idx = 0;
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while (s[0] == '/')
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{
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if (s[1] == '\0')
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{
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s = ".";
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break;
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}
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++s;
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}
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if (strcmp (s, ".") == 0)
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return 0;
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if (s[0] == '.' && s[1] == '/')
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s += 2;
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while (*s != '\0')
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{
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char *endp = strchrnul (s, '/');
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if (test_verbose> 0)
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printf ("info: looking for %.*s, level %d\n",
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(int) (endp - s), s, level);
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while (idx < nfiles && filesystem[idx].level >= level)
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{
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if (filesystem[idx].level == level
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&& memcmp (s, filesystem[idx].name, endp - s) == 0
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&& filesystem[idx].name[endp - s] == '\0')
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break;
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++idx;
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}
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if (idx == nfiles || filesystem[idx].level < level)
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{
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errno = ENOENT;
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return -1;
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}
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if (*endp == '\0')
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return idx + 1;
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if (filesystem[idx].type != DT_DIR
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&& (idx + 1 >= nfiles
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|| filesystem[idx].level >= filesystem[idx + 1].level))
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{
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errno = ENOTDIR;
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return -1;
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}
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++idx;
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s = endp + 1;
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++level;
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}
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errno = ENOENT;
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return -1;
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}
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static void *
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my_opendir (const char *s)
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{
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long int idx = find_file (s);
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my_DIR *dir;
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if (idx == -1 || filesystem[idx].type != DT_DIR)
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{
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if (test_verbose > 0)
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printf ("info: my_opendir(\"%s\") == NULL\n", s);
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return NULL;
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}
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dir = (my_DIR *) malloc (sizeof (my_DIR));
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if (dir == NULL)
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error (EXIT_FAILURE, errno, "cannot allocate directory handle");
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dir->level = filesystem[idx].level;
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dir->idx = idx;
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if (test_verbose > 0)
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printf ("info: my_opendir(\"%s\") == { level: %d, idx: %ld }\n",
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s, filesystem[idx].level, idx);
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return dir;
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}
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static struct DIRENT_STRUCT *
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my_readdir (void *gdir)
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{
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my_DIR *dir = gdir;
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if (dir->idx == -1)
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{
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if (test_verbose > 0)
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printf ("info: my_readdir ({ level: %d, idx: %ld }) = NULL\n",
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dir->level, (long int) dir->idx);
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return NULL;
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}
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while (dir->idx < nfiles && filesystem[dir->idx].level > dir->level)
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++dir->idx;
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if (dir->idx == nfiles || filesystem[dir->idx].level < dir->level)
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{
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dir->idx = -1;
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if (test_verbose > 0)
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printf ("info: my_readdir ({ level: %d, idx: %ld }) = NULL\n",
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dir->level, (long int) dir->idx);
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return NULL;
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}
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dir->d.d_ino = 1; /* glob should not skip this entry. */
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dir->d.d_type = filesystem[dir->idx].type;
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strcpy (dir->d.d_name, filesystem[dir->idx].name);
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if (test_verbose > 0)
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printf ("info: my_readdir ({ level: %d, idx: %ld })"
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" = { d_ino: %lld, d_type: %d, d_name: \"%s\" }\n",
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dir->level, (long int) dir->idx,
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(long long) dir->d.d_ino, dir->d.d_type,
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dir->d.d_name);
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++dir->idx;
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return &dir->d;
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}
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static void
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my_closedir (void *dir)
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{
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if (test_verbose > 0)
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printf ("info: my_closedir ()\n");
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free (dir);
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}
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/* We use this function for lstat as well since we don't have any. */
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static int
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my_stat (const char *name, struct STAT_STRUCT *st)
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{
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long int idx = find_file (name);
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if (idx == -1)
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{
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if (test_verbose > 0)
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printf ("info: my_stat (\"%s\", ...) = -1 (%s)\n",
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name, strerror (errno));
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return -1;
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}
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memset (st, '\0', sizeof (*st));
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if (filesystem[idx].type == DT_UNKNOWN)
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st->st_mode = DTTOIF (idx + 1 < nfiles
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&& filesystem[idx].level < filesystem[idx + 1].level
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? DT_DIR : DT_REG) | 0777;
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else
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st->st_mode = DTTOIF (filesystem[idx].type) | 0777;
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if (test_verbose > 0)
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printf ("info: my_stat (\"%s\", { st_mode: %o }) = 0\n", name, st->st_mode);
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return 0;
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}
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static const char *glob_errstring[] =
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{
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[GLOB_NOSPACE] = "out of memory",
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[GLOB_ABORTED] = "read error",
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[GLOB_NOMATCH] = "no matches found"
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};
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#define nglob_errstring (sizeof (glob_errstring) / sizeof (glob_errstring[0]))
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static const char *
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flagstr (int flags)
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{
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static const char *const strs[] =
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{
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"GLOB_ERR", "GLOB_MARK", "GLOB_NOSORT", "GLOB_DOOFSS", "GLOB_NOCHECK",
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"GLOB_APPEND", "GLOB_NOESCAPE", "GLOB_PERIOD", "GLOB_MAGCHAR",
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"GLOB_ALTDIRFUNC", "GLOB_BRACE", "GLOB_NOMAGIC", "GLOB_TILDE",
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"GLOB_ONLYDIR", "GLOB_TILDECHECK"
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};
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#define nstrs (sizeof (strs) / sizeof (strs[0]))
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static char buf[100];
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char *cp = buf;
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int cnt;
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for (cnt = 0; cnt < nstrs; ++cnt)
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if (flags & (1 << cnt))
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{
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flags &= ~(1 << cnt);
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if (cp != buf)
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*cp++ = '|';
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cp = stpcpy (cp, strs[cnt]);
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}
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if (flags != 0)
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{
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if (cp != buf)
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*cp++ = '|';
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sprintf (cp, "%#x", flags);
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}
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return buf;
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#undef nstrs
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}
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static const char *
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errstr (int val)
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{
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static const char *const strs[] =
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{
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[GLOB_NOSPACE] = "GLOB_NOSPACE",
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[GLOB_ABORTED] = "GLOB_ABORTED",
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[GLOB_NOMATCH] = "GLOB_NOMATCH",
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[GLOB_NOSYS] = "GLOB_NOSYS"
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};
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#define nstrs (sizeof (strs) / sizeof (strs[0]))
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static char buf[100];
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if (val < 0 || val >= nstrs || strs[val] == NULL)
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{
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snprintf (buf, sizeof (buf), "GLOB_??? (%d)", val);
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return buf;
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}
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return strs[val];
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#undef nstrs
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}
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static int
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test_result (const char *fmt, int flags, GLOB_TYPE *gl, const char *str[])
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{
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size_t cnt;
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int result = 0;
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printf ("results for glob (\"%s\", %s)\n", fmt, flagstr (flags));
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for (cnt = 0; cnt < gl->gl_pathc && str[cnt] != NULL; ++cnt)
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{
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int ok = strcmp (gl->gl_pathv[cnt], str[cnt]) == 0;
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const char *errstr = "";
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if (! ok)
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{
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size_t inner;
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for (inner = 0; str[inner] != NULL; ++inner)
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if (strcmp (gl->gl_pathv[cnt], str[inner]) == 0)
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break;
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if (str[inner] == NULL)
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errstr = ok ? "" : " *** WRONG";
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else
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errstr = ok ? "" : " * wrong position";
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result = 1;
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}
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printf (" %s%s\n", gl->gl_pathv[cnt], errstr);
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}
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puts ("");
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if (str[cnt] != NULL || cnt < gl->gl_pathc)
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{
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puts (" *** incorrect number of entries");
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result = 1;
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}
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return result;
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}
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static int
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do_test (void)
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{
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GLOB_TYPE gl;
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int errval;
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int result = 0;
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const char *fmt;
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int flags;
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mtrace ();
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memset (&gl, '\0', sizeof (gl));
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gl.gl_closedir = my_closedir;
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gl.gl_readdir = my_readdir;
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gl.gl_opendir = my_opendir;
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gl.gl_lstat = my_stat;
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gl.gl_stat = my_stat;
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#define test(a, b, r, c...) \
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fmt = a; \
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flags = GLOB_ALTDIRFUNC | b; \
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errval = GLOB_FUNC (fmt, flags, NULL, &gl); \
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if (errval != r) \
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{ \
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if (r == 0) \
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printf ("glob (\"%s\", %s) failed: %s\n", fmt, flagstr (flags), \
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errval >= 0 && errval < nglob_errstring \
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? glob_errstring[errval] : "???"); \
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else \
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printf ("glob (\"%s\", %s) did not fail\n", fmt, flagstr (flags)); \
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result = 1; \
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} \
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else if (r == 0) \
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result |= test_result (fmt, flags, &gl, (const char *[]) { c, NULL }); \
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else \
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printf ("result for glob (\"%s\", %s) = %s\n\n", fmt, flagstr (flags), \
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errstr (errval))
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test ("*/*/*", 0, 0,
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"dir1lev1/dir2lev2/dir1lev3",
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"dir1lev1/dir2lev2/file1lev3",
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"dir1lev1/dir2lev2/file2lev3",
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"dir1lev1/dir3lev2/file3lev3",
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"dir1lev1/dir3lev2/file4lev3");
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test ("*/*/*", GLOB_PERIOD, 0,
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"dir1lev1/dir1lev2/.",
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"dir1lev1/dir1lev2/..",
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"dir1lev1/dir2lev2/.",
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"dir1lev1/dir2lev2/..",
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"dir1lev1/dir2lev2/.foo",
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"dir1lev1/dir2lev2/dir1lev3",
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"dir1lev1/dir2lev2/file1lev3",
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"dir1lev1/dir2lev2/file2lev3",
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"dir1lev1/dir3lev2/.",
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"dir1lev1/dir3lev2/..",
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"dir1lev1/dir3lev2/file3lev3",
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"dir1lev1/dir3lev2/file4lev3",
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"dir2lev1/dir1lev2/.",
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"dir2lev1/dir1lev2/..",
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"dir2lev1/dir1lev2/.dir",
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"dir2lev1/dir1lev2/.foo");
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test ("*/*/.*", 0, 0,
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"dir1lev1/dir1lev2/.",
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"dir1lev1/dir1lev2/..",
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"dir1lev1/dir2lev2/.",
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"dir1lev1/dir2lev2/..",
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"dir1lev1/dir2lev2/.foo",
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"dir1lev1/dir3lev2/.",
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"dir1lev1/dir3lev2/..",
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"dir2lev1/dir1lev2/.",
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"dir2lev1/dir1lev2/..",
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"dir2lev1/dir1lev2/.dir",
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"dir2lev1/dir1lev2/.foo");
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test ("*1*/*2*/.*", 0, 0,
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"dir1lev1/dir1lev2/.",
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"dir1lev1/dir1lev2/..",
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"dir1lev1/dir2lev2/.",
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"dir1lev1/dir2lev2/..",
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"dir1lev1/dir2lev2/.foo",
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"dir1lev1/dir3lev2/.",
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"dir1lev1/dir3lev2/..",
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"dir2lev1/dir1lev2/.",
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"dir2lev1/dir1lev2/..",
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"dir2lev1/dir1lev2/.dir",
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"dir2lev1/dir1lev2/.foo");
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test ("*1*/*1*/.*", 0, 0,
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"dir1lev1/dir1lev2/.",
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"dir1lev1/dir1lev2/..",
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"dir2lev1/dir1lev2/.",
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"dir2lev1/dir1lev2/..",
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"dir2lev1/dir1lev2/.dir",
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"dir2lev1/dir1lev2/.foo");
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test ("\\/*", 0, 0,
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"/dir1lev1",
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"/dir2lev1",
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"/file1lev1",
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"/file2lev1");
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test ("*/*/", 0 , 0,
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"dir1lev1/dir1lev2/",
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"dir1lev1/dir2lev2/",
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"dir1lev1/dir3lev2/",
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"dir2lev1/dir1lev2/");
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test ("", 0, GLOB_NOMATCH, NULL);
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test ("", GLOB_NOCHECK, 0, "");
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GLOBFREE_FUNC (&gl);
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return result;
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}
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#include <support/test-driver.c>
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