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Diffstat (limited to 'sysdeps/mach/hurd/opendir.c')
-rw-r--r--sysdeps/mach/hurd/opendir.c75
1 files changed, 41 insertions, 34 deletions
diff --git a/sysdeps/mach/hurd/opendir.c b/sysdeps/mach/hurd/opendir.c
index 23e04ede0e..a1ff947f06 100644
--- a/sysdeps/mach/hurd/opendir.c
+++ b/sysdeps/mach/hurd/opendir.c
@@ -1,5 +1,4 @@
-/* Copyright (C) 1993,1994,1995,1996,1997,1998,2001,2003,2005,2006
- Free Software Foundation, Inc.
+/* Copyright (C) 1993,94,95,96,97,98,2001,2003 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
@@ -33,29 +32,62 @@
#include "dirstream.h"
-/* Open a directory stream on a file descriptor in Hurd internal form.
- We do no checking here on the descriptor. */
+/* Open a directory stream on NAME. */
DIR *
-_hurd_fd_opendir (struct hurd_fd *d)
+__opendir (const char *name)
{
DIR *dirp;
+ int fd;
+ struct hurd_fd *d;
- if (d == NULL)
+ if (name[0] == '\0')
{
- errno = EBADF;
+ /* POSIX.1-1990 says an empty name gets ENOENT;
+ but `open' might like it fine. */
+ __set_errno (ENOENT);
return NULL;
}
+ {
+ /* Append trailing slash to directory name to force ENOTDIR
+ if it's not a directory.
+
+ We open using the O_NONBLOCK flag so that a nondirectory with
+ blocking behavior (FIFO or device) gets ENOTDIR immediately
+ rather than waiting for the special file's open wakeup predicate. */
+
+ size_t len = strlen (name);
+ if (name[len - 1] == '/')
+ fd = __open (name, O_RDONLY | O_NONBLOCK);
+ else
+ {
+ char n[len + 2];
+ memcpy (n, name, len);
+ n[len] = '/';
+ n[len + 1] = '\0';
+ fd = __open (n, O_RDONLY | O_NONBLOCK);
+ }
+ }
+ if (fd < 0)
+ return NULL;
+
dirp = (DIR *) malloc (sizeof (DIR));
if (dirp == NULL)
- return NULL;
+ {
+ __close (fd);
+ return NULL;
+ }
+
+ /* Extract the pointer to the descriptor structure. */
+ __mutex_lock (&_hurd_dtable_lock);
+ d = dirp->__fd = _hurd_dtable[fd];
+ __mutex_unlock (&_hurd_dtable_lock);
/* Set the descriptor to close on exec. */
__spin_lock (&d->port.lock);
d->flags |= FD_CLOEXEC;
__spin_unlock (&d->port.lock);
- dirp->__fd = d;
dirp->__data = dirp->__ptr = NULL;
dirp->__entry_data = dirp->__entry_ptr = 0;
dirp->__allocation = 0;
@@ -65,29 +97,4 @@ _hurd_fd_opendir (struct hurd_fd *d)
return dirp;
}
-
-
-/* Open a directory stream on NAME. */
-DIR *
-__opendir (const char *name)
-{
- if (name[0] == '\0')
- {
- /* POSIX.1-1990 says an empty name gets ENOENT;
- but `open' might like it fine. */
- __set_errno (ENOENT);
- return NULL;
- }
-
- int fd = __open (name, O_RDONLY | O_NONBLOCK | O_DIRECTORY);
- if (fd < 0)
- return NULL;
-
- /* Extract the pointer to the descriptor structure. */
- DIR *dirp = _hurd_fd_opendir (_hurd_fd_get (fd));
- if (dirp == NULL)
- __close (fd);
-
- return dirp;
-}
weak_alias (__opendir, opendir)