86 lines
2.9 KiB
C
86 lines
2.9 KiB
C
/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*-
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*
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* Copyright (C) 2014,2015 Colin Walters <walters@verbum.org>.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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#pragma once
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#include <glnx-backport-autocleanups.h>
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#include <limits.h>
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#include <dirent.h>
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#include <sys/stat.h>
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#include <fcntl.h>
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G_BEGIN_DECLS
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/**
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* glnx_dirfd_canonicalize:
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* @fd: A directory file descriptor
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*
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* It's often convenient in programs to use `-1` for "unassigned fd",
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* and also because gobject-introspection doesn't support `AT_FDCWD`,
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* libglnx honors `-1` to mean `AT_FDCWD`. This small inline function
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* canonicalizes `-1 -> AT_FDCWD`.
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*/
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static inline int
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glnx_dirfd_canonicalize (int fd)
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{
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if (fd == -1)
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return AT_FDCWD;
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return fd;
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}
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struct GLnxDirFdIterator {
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gboolean initialized;
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int fd;
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gpointer padding_data[4];
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};
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typedef struct GLnxDirFdIterator GLnxDirFdIterator;
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gboolean glnx_dirfd_iterator_init_at (int dfd, const char *path,
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gboolean follow,
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GLnxDirFdIterator *dfd_iter, GError **error);
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gboolean glnx_dirfd_iterator_init_take_fd (int dfd, GLnxDirFdIterator *dfd_iter, GError **error);
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gboolean glnx_dirfd_iterator_next_dent (GLnxDirFdIterator *dfd_iter,
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struct dirent **out_dent,
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GCancellable *cancellable,
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GError **error);
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void glnx_dirfd_iterator_clear (GLnxDirFdIterator *dfd_iter);
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G_DEFINE_AUTO_CLEANUP_CLEAR_FUNC(GLnxDirFdIterator, glnx_dirfd_iterator_clear)
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int glnx_opendirat_with_errno (int dfd,
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const char *path,
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gboolean follow);
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gboolean glnx_opendirat (int dfd,
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const char *path,
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gboolean follow,
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int *out_fd,
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GError **error);
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char *glnx_fdrel_abspath (int dfd,
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const char *path);
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gboolean glnx_mkdtempat (int dfd,
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gchar *tmpl,
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int mode,
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GError **error);
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G_END_DECLS
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