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-rw-r--r--test/misc/tst-gnuglob.c449
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diff --git a/test/misc/tst-gnuglob.c b/test/misc/tst-gnuglob.c
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+/* 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@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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