1 /* Test glob compat symbol which avoid call GLOB_ALTDIRFUNC/gl_lstat.
2 Copyright (C) 2017-2021 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
5 The GNU C Library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Lesser General Public
7 License as published by the Free Software Foundation; either
8 version 2.1 of the License, or (at your option) any later version.
10 The GNU C Library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Lesser General Public License for more details.
15 You should have received a copy of the GNU Lesser General Public
16 License along with the GNU C Library; if not, see
17 <https://www.gnu.org/licenses/>. */
23 #include <sys/types.h>
25 #include <sys/types.h>
31 #include <shlib-compat.h>
32 #include <support/check.h>
33 #include <support/temp_file.h>
36 /* On alpha glob exists in version GLIBC_2_0, GLIBC_2_1, and GLIBC_2_27.
37 This test needs to access the version prior to GLIBC_2_27, which is
38 GLIBC_2_1 on alpha, GLIBC_2_0 elsewhere. */
40 compat_symbol_reference (libc, glob, glob, GLIBC_2_1);
42 compat_symbol_reference (libc, glob, glob, GLIBC_2_0);
45 /* Compat glob should not call gl_lstat since for some old binaries it
46 might be unitialized (for instance GNUmake). Check if it is indeed
48 static bool stat_called;
49 static bool lstat_called;
60 { "dir1lev1", 1, DT_UNKNOWN },
63 { "file1lev2", 2, DT_REG },
64 { "file2lev2", 2, DT_REG },
66 static const size_t nfiles = sizeof (filesystem) / sizeof (filesystem [0]);
73 char room_for_dirent[NAME_MAX];
77 find_file (const char *s)
92 if (strcmp (s, ".") == 0)
95 if (s[0] == '.' && s[1] == '/')
100 char *endp = strchrnul (s, '/');
102 while (idx < nfiles && filesystem[idx].level >= level)
104 if (filesystem[idx].level == level
105 && memcmp (s, filesystem[idx].name, endp - s) == 0
106 && filesystem[idx].name[endp - s] == '\0')
111 if (idx == nfiles || filesystem[idx].level < level)
120 if (filesystem[idx].type != DT_DIR
121 && (idx + 1 >= nfiles
122 || filesystem[idx].level >= filesystem[idx + 1].level))
139 my_opendir (const char *s)
141 long int idx = find_file (s);
142 if (idx == -1 || filesystem[idx].type != DT_DIR)
145 my_DIR *dir = malloc (sizeof (my_DIR));
147 FAIL_EXIT1 ("cannot allocate directory handle");
149 dir->level = filesystem[idx].level;
155 static struct dirent *
156 my_readdir (void *gdir)
163 while (dir->idx < nfiles && filesystem[dir->idx].level > dir->level)
166 if (dir->idx == nfiles || filesystem[dir->idx].level < dir->level)
172 dir->d.d_ino = 1; /* glob should not skip this entry. */
174 dir->d.d_type = filesystem[dir->idx].type;
176 strcpy (dir->d.d_name, filesystem[dir->idx].name);
184 my_closedir (void *dir)
190 my_stat (const char *name, struct stat *st)
194 long int idx = find_file (name);
198 memset (st, '\0', sizeof (*st));
200 if (filesystem[idx].type == DT_UNKNOWN)
201 st->st_mode = DTTOIF (idx + 1 < nfiles
202 && filesystem[idx].level < filesystem[idx + 1].level
203 ? DT_DIR : DT_REG) | 0777;
205 st->st_mode = DTTOIF (filesystem[idx].type) | 0777;
210 my_lstat (const char *name, struct stat *st)
214 long int idx = find_file (name);
218 memset (st, '\0', sizeof (*st));
220 if (filesystem[idx].type == DT_UNKNOWN)
221 st->st_mode = DTTOIF (idx + 1 < nfiles
222 && filesystem[idx].level < filesystem[idx + 1].level
223 ? DT_DIR : DT_REG) | 0777;
225 st->st_mode = DTTOIF (filesystem[idx].type) | 0777;
234 memset (&gl, '\0', sizeof (gl));
236 gl.gl_closedir = my_closedir;
237 gl.gl_readdir = my_readdir;
238 gl.gl_opendir = my_opendir;
239 gl.gl_lstat = my_lstat;
240 gl.gl_stat = my_stat;
242 int flags = GLOB_ALTDIRFUNC;
245 lstat_called = false;
247 TEST_VERIFY_EXIT (glob ("*/file1lev2", flags, NULL, &gl) == 0);
248 TEST_VERIFY_EXIT (gl.gl_pathc == 1);
249 TEST_VERIFY_EXIT (strcmp (gl.gl_pathv[0], "dir1lev1/file1lev2") == 0);
251 TEST_VERIFY_EXIT (stat_called == true);
252 TEST_VERIFY_EXIT (lstat_called == false);
257 #include <support/test-driver.c>