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glibc/posix/tst-gnuglob-skeleton.c

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/* Template for tests of the GNU extension GLOB_ALTDIRFUNC.
Copyright (C) 2001-2024 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, see
<https://www.gnu.org/licenses/>. */
/* To use this skeleton, the following macros need to be defined
before inclusion of this file:
GLOB_FUNC The glob function to test (glob or glob64)
GLOB_TYPE The glob type expected by the function (glob_t, glob64_t)
GLOBFREE_FUNC The corresponding deallocation function
DIRENT_STRUCT The struct tag of the dirent type
STAT_STRUCT The struct tag of the stat type
*/
#include <dirent.h>
#include <errno.h>
#include <error.h>
#include <glob.h>
#include <mcheck.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/stat.h>
#include <support/test-driver.h>
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_STRUCT d;
char room_for_dirent[NAME_MAX];
} my_DIR;
static long int
find_file (const char *s)
{
int level = 1;
long int idx = 0;
while (s[0] == '/')
{
if (s[1] == '\0')
{
s = ".";
break;
}
++s;
}
if (strcmp (s, ".") == 0)
return 0;
if (s[0] == '.' && s[1] == '/')
s += 2;
while (*s != '\0')
{
char *endp = strchrnul (s, '/');
if (test_verbose> 0)
printf ("info: 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 || filesystem[idx].type != DT_DIR)
{
if (test_verbose > 0)
printf ("info: 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;
if (test_verbose > 0)
printf ("info: my_opendir(\"%s\") == { level: %d, idx: %ld }\n",
s, filesystem[idx].level, idx);
return dir;
}
static struct DIRENT_STRUCT *
my_readdir (void *gdir)
{
my_DIR *dir = gdir;
if (dir->idx == -1)
{
if (test_verbose > 0)
printf ("info: 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;
if (test_verbose > 0)
printf ("info: my_readdir ({ level: %d, idx: %ld }) = NULL\n",
dir->level, (long int) dir->idx);
return NULL;
}
dir->d.d_ino = 1; /* glob should not skip this entry. */
dir->d.d_type = filesystem[dir->idx].type;
__strcpy_chk (dir->d.d_name, filesystem[dir->idx].name, NAME_MAX);
if (test_verbose > 0)
printf ("info: my_readdir ({ level: %d, idx: %ld })"
" = { d_ino: %lld, d_type: %d, d_name: \"%s\" }\n",
dir->level, (long int) dir->idx,
(long long) dir->d.d_ino, dir->d.d_type,
dir->d.d_name);
++dir->idx;
return &dir->d;
}
static void
my_closedir (void *dir)
{
if (test_verbose > 0)
printf ("info: 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_STRUCT *st)
{
long int idx = find_file (name);
if (idx == -1)
{
if (test_verbose > 0)
printf ("info: 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;
if (test_verbose > 0)
printf ("info: 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)
{
static const char *const 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;
#undef nstrs
}
static const char *
errstr (int val)
{
static const char *const strs[] =
{
[GLOB_NOSPACE] = "GLOB_NOSPACE",
[GLOB_ABORTED] = "GLOB_ABORTED",
[GLOB_NOMATCH] = "GLOB_NOMATCH",
[GLOB_NOSYS] = "GLOB_NOSYS"
};
#define nstrs (sizeof (strs) / sizeof (strs[0]))
static char buf[100];
if (val < 0 || val >= nstrs || strs[val] == NULL)
{
snprintf (buf, sizeof (buf), "GLOB_??? (%d)", val);
return buf;
}
return strs[val];
#undef nstrs
}
static int
test_result (const char *fmt, int flags, GLOB_TYPE *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;
}
static int
do_test (void)
{
GLOB_TYPE 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, r, c...) \
fmt = a; \
flags = GLOB_ALTDIRFUNC | b; \
errval = GLOB_FUNC (fmt, flags, NULL, &gl); \
if (errval != r) \
{ \
if (r == 0) \
printf ("glob (\"%s\", %s) failed: %s\n", fmt, flagstr (flags), \
errval >= 0 && errval < nglob_errstring \
? glob_errstring[errval] : "???"); \
else \
printf ("glob (\"%s\", %s) did not fail\n", fmt, flagstr (flags)); \
result = 1; \
} \
else if (r == 0) \
result |= test_result (fmt, flags, &gl, (const char *[]) { c, NULL }); \
else \
printf ("result for glob (\"%s\", %s) = %s\n\n", fmt, flagstr (flags), \
errstr (errval))
test ("*/*/*", 0, 0,
"dir1lev1/dir2lev2/dir1lev3",
"dir1lev1/dir2lev2/file1lev3",
"dir1lev1/dir2lev2/file2lev3",
"dir1lev1/dir3lev2/file3lev3",
"dir1lev1/dir3lev2/file4lev3");
test ("*/*/*", GLOB_PERIOD, 0,
"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 ("*/*/.*", 0, 0,
"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*/.*", 0, 0,
"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*/.*", 0, 0,
"dir1lev1/dir1lev2/.",
"dir1lev1/dir1lev2/..",
"dir2lev1/dir1lev2/.",
"dir2lev1/dir1lev2/..",
"dir2lev1/dir1lev2/.dir",
"dir2lev1/dir1lev2/.foo");
test ("\\/*", 0, 0,
"/dir1lev1",
"/dir2lev1",
"/file1lev1",
"/file2lev1");
test ("*/*/", 0 , 0,
"dir1lev1/dir1lev2/",
"dir1lev1/dir2lev2/",
"dir1lev1/dir3lev2/",
"dir2lev1/dir1lev2/");
test ("", 0, GLOB_NOMATCH, NULL);
test ("", GLOB_NOCHECK, 0, "");
GLOBFREE_FUNC (&gl);
return result;
}
#include <support/test-driver.c>
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