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* path.cc (fchdir): Set the fhandler's path to absolute value to

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ensure changing to the correct directory even if the fhandler originally
        points to a relative path.
This commit is contained in:
Corinna Vinschen
2001-08-03 11:14:09 +00:00
parent 20b2e9ce39
commit dce6f56397
2 changed files with 25 additions and 0 deletions
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6
winsup/cygwin/ChangeLog
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@@ -1,3 +1,9 @@
Fri Aug 3 13:04:00 2001 Corinna Vinschen <corinna@vinschen.de>
* path.cc (fchdir): Set the fhandler's path to absolute value to
ensure changing to the correct directory even if the fhandler originally
points to a relative path.
Thu Aug 2 17:59:00 2001 Corinna Vinschen <corinna@vinschen.de>
* security.cc (set_file_attribute): Clean up. Don't call

19
winsup/cygwin/path.cc
View File

@@ -3092,6 +3092,25 @@ fchdir (int fd)
return -1;
}
int ret = chdir (cygheap->fdtab[fd]->get_name ());
if (!ret)
{
/* The name in the fhandler is explicitely overwritten with the full path.
Otherwise fchmod() to a path originally given as a relative path could
end up in a completely different directory. Imagine:
fd = open ("..");
fchmod(fd);
fchmod(fd);
The 2nd fchmod should chdir to the same dir as the first call, not
to it's parent dir. */
char path[MAX_PATH];
char posix_path[MAX_PATH];
mount_table->conv_to_posix_path (cygheap->cwd.get (path, 0, 1),
posix_path, 0);
cygheap->fdtab[fd]->set_name (path, posix_path);
}
syscall_printf ("%d = fchdir (%d)", ret, fd);
return ret;
}