-/* Copyright (C) 1991-2002, 2003, 2004, 2005, 2006, 2007
+/* Copyright (C) 1991-2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009
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.
+ This program is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
- The GNU C Library is distributed in the hope that it will be useful,
+ This program 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.
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU 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. */
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>. */
#ifndef _LIBC
# include <config.h>
/* #define NDEBUG 1 */
#include <assert.h>
+#include <stdbool.h>
+
#include <stdio.h> /* Needed on stupid SunOS for assert. */
#if !defined _LIBC || !defined GLOB_ONLY_P
# define POSIX
#endif
-#include <pwd.h>
+#if (defined _WIN32 || defined __WIN32__) && ! defined __CYGWIN__
+# define WINDOWS32
+#endif
+
+#ifndef WINDOWS32
+# include <pwd.h>
+#endif
#include <errno.h>
#ifndef __set_errno
#include <fnmatch.h>
-#ifndef _LIBC
-# include "dirfd.h"
-# include "openat.h"
-#endif
-
#ifdef _SC_GETPW_R_SIZE_MAX
# define GETPW_R_SIZE_MAX() sysconf (_SC_GETPW_R_SIZE_MAX)
#else
#ifndef _LIBC
/* The results of opendir() in this file are not used with dirfd and fchdir,
- therefore save some unnecessary work in fchdir.c. */
+ and we do not leak fds to any single-threaded code that could use stdio,
+ therefore save some unnecessary recursion in fchdir.c and opendir_safer.c.
+ FIXME - if the kernel ever adds support for multi-thread safety for
+ avoiding standard fds, then we should use opendir_safer. */
# undef opendir
# undef closedir
home_dir = "SYS:";
# else
# ifdef WINDOWS32
+ /* Windows NT defines HOMEDRIVE and HOMEPATH. But give preference
+ to HOME, because the user can change HOME. */
if (home_dir == NULL || home_dir[0] == '\0')
- home_dir = "c:/users/default"; /* poor default */
+ {
+ const char *home_drive = getenv ("HOMEDRIVE");
+ const char *home_path = getenv ("HOMEPATH");
+
+ if (home_drive != NULL && home_path != NULL)
+ {
+ size_t home_drive_len = strlen (home_drive);
+ size_t home_path_len = strlen (home_path);
+ char *mem = alloca (home_drive_len + home_path_len + 1);
+
+ memcpy (mem, home_drive, home_drive_len);
+ memcpy (mem + home_drive_len, home_path, home_path_len + 1);
+ home_dir = mem;
+ }
+ else
+ home_dir = "c:/users/default"; /* poor default */
+ }
# else
if (home_dir == NULL || home_dir[0] == '\0')
{
#endif /* !GLOB_ONLY_P */
+#if !defined _LIBC || !defined GLOB_ONLY_P
/* We put this in a separate function mainly to allow the memory
allocated with alloca to be recycled. */
-#if !defined _LIBC || !defined GLOB_ONLY_P
static int
__attribute_noinline__
link_exists2_p (const char *dir, size_t dirlen, const char *fname,
- glob_t *pglob)
+ glob_t *pglob
+# if !defined _LIBC && !HAVE_FSTATAT
+ , int flags
+# endif
+ )
{
size_t fnamelen = strlen (fname);
char *fullname = __alloca (dirlen + 1 + fnamelen + 1);
mempcpy (mempcpy (mempcpy (fullname, dir, dirlen), "/", 1),
fname, fnamelen + 1);
+# if !defined _LIBC && !HAVE_FSTATAT
+ if (__builtin_expect ((flags & GLOB_ALTDIRFUNC) == 0, 1))
+ {
+ struct_stat64 st64;
+ return __stat64 (fullname, &st64) == 0;
+ }
+# endif
return (*pglob->gl_stat) (fullname, &st) == 0;
}
link_exists_p (int dfd, const char *dir, size_t dirlen, const char *fname,
glob_t *pglob, int flags)
{
+# if defined _LIBC || HAVE_FSTATAT
if (__builtin_expect (flags & GLOB_ALTDIRFUNC, 0))
return link_exists2_p (dir, dirlen, fname, pglob);
else
struct_stat64 st64;
return __fxstatat64 (_STAT_VER, dfd, fname, &st64, 0) == 0;
}
+# else
+ return link_exists2_p (dir, dirlen, fname, pglob, flags);
+# endif
}
#endif