--- /dev/null
+#include <dirent.h>
+#include <fcntl.h>
+#include <mcheck.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+#include <sys/stat.h>
+
+
+/* We expect four arguments:
+ - source directory name
+ - object directory
+ - common object directory
+ - the program name with path
+*/
+int
+main (int argc, char *argv[])
+{
+ const char *srcdir;
+ const char *objdir;
+ const char *common_objdir;
+ const char *progpath;
+ struct stat64 st1;
+ struct stat64 st2;
+ struct stat64 st3;
+ DIR *dir1;
+ DIR *dir2;
+ int result = 0;
+ struct dirent64 *d;
+ struct dirent64 direntbuf;
+ char *objdir_copy1;
+ char *objdir_copy2;
+ char *buf;
+ int fd;
+
+ mtrace ();
+
+ if (argc < 5)
+ {
+ puts ("not enough parameters");
+ exit (1);
+ }
+
+ /* Make parameters available with nicer names. */
+ srcdir = argv[1];
+ objdir = argv[2];
+ common_objdir = argv[3];
+ progpath = argv[4];
+
+ /* First test the current source dir. We cannot really compare the
+ result of `getpwd' with the srcdir string but we have other means. */
+ if (stat64 (".", &st1) < 0)
+ {
+ printf ("cannot stat starting directory: %m\n");
+ exit (1);
+ }
+
+ if (chdir (srcdir) < 0)
+ {
+ printf ("cannot change to source directory: %m\n");
+ exit (1);
+ }
+ if (stat64 (".", &st2) < 0)
+ {
+ printf ("cannot stat source directory: %m\n");
+ exit (1);
+ }
+
+ /* The two last stat64 calls better were for the same directory. */
+ if (st1.st_dev != st2.st_dev || st1.st_ino != st2.st_ino)
+ {
+ printf ("stat of source directory failed: (%lld,%lld) vs (%lld,%lld)\n",
+ (long long int) st1.st_dev, (long long int) st1.st_ino,
+ (long long int) st2.st_dev, (long long int) st2.st_ino);
+ exit (1);
+ }
+
+ /* Change to the object directory. */
+ if (chdir (objdir) < 0)
+ {
+ printf ("cannot change to object directory: %m\n");
+ exit (1);
+ }
+ if (stat64 (".", &st1) < 0)
+ {
+ printf ("cannot stat object directory: %m\n");
+ exit (1);
+ }
+ /* Is this the same we get as with the full path? */
+ if (stat64 (objdir, &st2) < 0)
+ {
+ printf ("cannot stat object directory with full path: %m\n");
+ exit (1);
+ }
+ if (st1.st_dev != st2.st_dev || st1.st_ino != st2.st_ino)
+ {
+ printf ("stat of object directory failed: (%lld,%lld) vs (%lld,%lld)\n",
+ (long long int) st1.st_dev, (long long int) st1.st_ino,
+ (long long int) st2.st_dev, (long long int) st2.st_ino);
+ exit (1);
+ }
+
+ objdir_copy1 = getcwd (NULL, 0);
+ if (objdir_copy1 == NULL)
+ {
+ printf ("cannot get current directory name for object directory: %m\n");
+ result = 1;
+ }
+
+ /* First test: this directory must include our program. */
+ if (stat64 (progpath, &st2) < 0)
+ {
+ printf ("cannot stat program: %m\n");
+ exit (1);
+ }
+
+ dir1 = opendir (".");
+ if (dir1 == NULL)
+ {
+ printf ("cannot open object directory: %m\n");
+ exit (1);
+ }
+
+ while ((d = readdir64 (dir1)) != NULL)
+ {
+#ifdef _DIRENT_HAVE_D_TYPE
+ if (d->d_type != DT_UNKNOWN && d->d_type != DT_REG)
+ continue;
+#endif
+
+ if (d->d_ino == st2.st_ino)
+ {
+ /* Might be it. Test the device. We could use the st_dev
+ element from st1 but what the heck, do more testing. */
+ if (stat64 (d->d_name, &st3) < 0)
+ {
+ printf ("cannot stat entry from readdir: %m\n");
+ result = 1;
+ d = NULL;
+ break;
+ }
+
+ if (st3.st_dev == st2.st_dev)
+ break;
+ }
+ }
+
+ if (d == NULL)
+ {
+ puts ("haven't found program in object directory");
+ result = 1;
+ }
+
+ /* We leave dir1 open. */
+
+ /* Stat using file descriptor. */
+ if (fstat64 (dirfd (dir1), &st2) < 0)
+ {
+ printf ("cannot fstat object directory: %m\n");
+ result = 1;
+ }
+ if (st1.st_dev != st2.st_dev || st1.st_ino != st2.st_ino)
+ {
+ printf ("fstat of object directory failed: (%lld,%lld) vs (%lld,%lld)\n",
+ (long long int) st1.st_dev, (long long int) st1.st_ino,
+ (long long int) st2.st_dev, (long long int) st2.st_ino);
+ exit (1);
+ }
+
+ if (chdir ("..") < 0)
+ {
+ printf ("cannot go to common object directory with \"..\": %m\n");
+ exit (1);
+ }
+
+ if (stat64 (".", &st1) < 0)
+ {
+ printf ("cannot stat common object directory: %m\n");
+ exit (1);
+ }
+ /* Is this the same we get as with the full path? */
+ if (stat64 (common_objdir, &st2) < 0)
+ {
+ printf ("cannot stat common object directory with full path: %m\n");
+ exit (1);
+ }
+ if (st1.st_dev != st2.st_dev || st1.st_ino != st2.st_ino)
+ {
+ printf ("stat of object directory failed: (%lld,%lld) vs (%lld,%lld)\n",
+ (long long int) st1.st_dev, (long long int) st1.st_ino,
+ (long long int) st2.st_dev, (long long int) st2.st_ino);
+ exit (1);
+ }
+
+ /* Stat using file descriptor. */
+ if (fstat64 (dirfd (dir1), &st2) < 0)
+ {
+ printf ("cannot fstat object directory: %m\n");
+ result = 1;
+ }
+
+ dir2 = opendir (common_objdir);
+ if (dir2 == NULL)
+ {
+ printf ("cannot open common object directory: %m\n");
+ exit (1);
+ }
+
+ while ((d = readdir64 (dir2)) != NULL)
+ {
+#ifdef _DIRENT_HAVE_D_TYPE
+ if (d->d_type != DT_UNKNOWN && d->d_type != DT_DIR)
+ continue;
+#endif
+
+ if (d->d_ino == st2.st_ino)
+ {
+ /* Might be it. Test the device. We could use the st_dev
+ element from st1 but what the heck, do more testing. */
+ if (stat64 (d->d_name, &st3) < 0)
+ {
+ printf ("cannot stat entry from readdir: %m\n");
+ result = 1;
+ d = NULL;
+ break;
+ }
+
+ if (st3.st_dev == st2.st_dev)
+ break;
+ }
+ }
+
+ /* This better should be the object directory again. */
+ if (fchdir (dirfd (dir1)) < 0)
+ {
+ printf ("cannot fchdir to object directory: %m\n");
+ exit (1);
+ }
+
+ objdir_copy2 = getcwd (NULL, 0);
+ if (objdir_copy2 == NULL)
+ {
+ printf ("cannot get current directory name for object directory: %m\n");
+ result = 1;
+ }
+ if (strcmp (objdir_copy1, objdir_copy2) != 0)
+ {
+ puts ("getcwd returned a different string the second time");
+ result = 1;
+ }
+
+ /* This better should be the common object directory again. */
+ if (fchdir (dirfd (dir2)) < 0)
+ {
+ printf ("cannot fchdir to common object directory: %m\n");
+ exit (1);
+ }
+
+ if (stat64 (".", &st2) < 0)
+ {
+ printf ("cannot stat common object directory: %m\n");
+ exit (1);
+ }
+ if (st1.st_dev != st2.st_dev || st1.st_ino != st2.st_ino)
+ {
+ printf ("stat of object directory failed: (%lld,%lld) vs (%lld,%lld)\n",
+ (long long int) st1.st_dev, (long long int) st1.st_ino,
+ (long long int) st2.st_dev, (long long int) st2.st_ino);
+ exit (1);
+ }
+
+ buf = (char *) malloc (strlen (objdir_copy1) + 1 + sizeof "tst-dir.XXXXXX");
+ if (buf == NULL)
+ {
+ printf ("cannot allocate buffer: %m");
+ exit (1);
+ }
+
+ stpcpy (stpcpy (stpcpy (buf, objdir_copy1), "/"), "tst-dir.XXXXXX");
+ if (mkdtemp (buf) == NULL)
+ {
+ printf ("cannot create test directory in object directory: %m\n");
+ exit (1);
+ }
+ if (stat64 (buf, &st1) < 0)
+ {
+ printf ("cannot stat new directory \"%s\": %m\n", buf);
+ exit (1);
+ }
+ if (chmod (buf, 0700) < 0)
+ {
+ printf ("cannot change mode of new directory: %m\n");
+ exit (1);
+ }
+
+ /* Try to find the new directory. */
+ rewinddir (dir1);
+ while (readdir64_r (dir1, &direntbuf, &d) == 0)
+ {
+#ifdef _DIRENT_HAVE_D_TYPE
+ if (d->d_type != DT_UNKNOWN && d->d_type != DT_DIR)
+ continue;
+#endif
+
+ if (d->d_ino == st1.st_ino)
+ {
+ /* Might be it. Test the device. We could use the st_dev
+ element from st1 but what the heck, do more testing. */
+ size_t len = strlen (objdir) + 1 + _D_EXACT_NAMLEN (d) + 1;
+ char tmpbuf[len];
+
+ stpcpy (stpcpy (stpcpy (tmpbuf, objdir), "/"), d->d_name);
+
+ if (stat64 (tmpbuf, &st3) < 0)
+ {
+ printf ("cannot stat entry from readdir: %m\n");
+ result = 1;
+ d = NULL;
+ break;
+ }
+
+ if (st3.st_dev == st2.st_dev
+ && strcmp (d->d_name, buf + strlen (buf) - 14) == 0)
+ break;
+ }
+ }
+
+ if (d == NULL)
+ {
+ printf ("haven't found new directory \"%s\"\n", buf);
+ exit (1);
+ }
+
+ if (closedir (dir2) < 0)
+ {
+ printf ("closing dir2 failed: %m\n");
+ result = 1;
+ }
+
+ if (chdir (buf)< 0)
+ {
+ printf ("cannot change to new directory: %m\n");
+ exit (1);
+ }
+
+ dir2 = opendir (buf);
+ if (dir2 == NULL)
+ {
+ printf ("cannot open new directory: %m\n");
+ exit (1);
+ }
+
+ if (fstat64 (dirfd (dir2), &st2) < 0)
+ {
+ printf ("cannot fstat new directory \"%s\": %m\n", buf);
+ exit (1);
+ }
+ if (st1.st_dev != st2.st_dev || st1.st_ino != st2.st_ino)
+ {
+ printf ("stat of new directory failed: (%lld,%lld) vs (%lld,%lld)\n",
+ (long long int) st1.st_dev, (long long int) st1.st_ino,
+ (long long int) st2.st_dev, (long long int) st2.st_ino);
+ exit (1);
+ }
+
+ if (mkdir ("another-dir", 0777) < 0)
+ {
+ printf ("cannot create \"another-dir\": %m\n");
+ exit (1);
+ }
+ fd = open ("and-a-file", O_RDWR | O_CREAT | O_EXCL, 0666);
+ if (fd == -1)
+ {
+ printf ("cannot create \"and-a-file\": %m\n");
+ exit (1);
+ }
+ close (fd);
+
+ /* We now should have a directory and a file in the new directory. */
+ rewinddir (dir2);
+ while (readdir64_r (dir2, &direntbuf, &d) == 0 && d != NULL)
+ {
+ if (strcmp (d->d_name, ".") == 0
+ || strcmp (d->d_name, "..") == 0
+ || strcmp (d->d_name, "another-dir") == 0)
+ {
+#ifdef _DIRENT_HAVE_D_TYPE
+ if (d->d_type != DT_UNKNOWN && d->d_type != DT_DIR)
+ {
+ printf ("d_type for \"%s\" is wrong\n", d->d_name);
+ result = 1;
+ }
+#endif
+ if (stat64 (d->d_name, &st3) < 0)
+ {
+ printf ("cannot stat \"%s\" is wrong\n", d->d_name);
+ result = 1;
+ }
+ else if (! S_ISDIR (st3.st_mode))
+ {
+ printf ("\"%s\" is no directory\n", d->d_name);
+ result = 1;
+ }
+ }
+ else if (strcmp (d->d_name, "and-a-file") == 0)
+ {
+#ifdef _DIRENT_HAVE_D_TYPE
+ if (d->d_type != DT_UNKNOWN && d->d_type != DT_REG)
+ {
+ printf ("d_type for \"%s\" is wrong\n", d->d_name);
+ result = 1;
+ }
+#endif
+ if (stat64 (d->d_name, &st3) < 0)
+ {
+ printf ("cannot stat \"%s\" is wrong\n", d->d_name);
+ result = 1;
+ }
+ else if (! S_ISREG (st3.st_mode))
+ {
+ printf ("\"%s\" is no regular file\n", d->d_name);
+ result = 1;
+ }
+ }
+ else
+ {
+ printf ("unexpected directory entry \"%s\"\n", d->d_name);
+ result = 1;
+ }
+ }
+
+ /* Free all resources. */
+
+ if (closedir (dir1) < 0)
+ {
+ printf ("closing dir1 failed: %m\n");
+ result = 1;
+ }
+ if (closedir (dir2) < 0)
+ {
+ printf ("second closing dir2 failed: %m\n");
+ result = 1;
+ }
+
+ if (rmdir ("another-dir") < 0)
+ {
+ printf ("cannot remove \"another-dir\": %m\n");
+ result = 1;
+ }
+
+ if (unlink ("and-a-file") < 0)
+ {
+ printf ("cannot remove \"and-a-file\": %m\n");
+ result = 1;
+ }
+
+ if (chdir (srcdir) < 0)
+ {
+ printf ("cannot change back to source directory: %m\n");
+ exit (1);
+ }
+
+ if (rmdir (buf) < 0)
+ {
+ printf ("cannot remove \"%s\": %m\n", buf);
+ result = 1;
+ }
+ free (objdir_copy1);
+ free (objdir_copy2);
+
+ if (result == 0)
+ puts ("all OK");
+
+ return result;
+}
projects / platform / upstream / linaro-glibc.git / commitdiff