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53bd6a359f
This commit adds new W32-only functions to gstdio.c, and a new header file, gstdioprivate.h. These functions are: g_win32_stat_utf8() g_win32_lstat_utf8() g_win32_fstat() and they fill a private structure, GWin32PrivateStat, which has all the fields that normal stat has, as well as some extras. These functions are then used throughout glib and gio to get better data about the system. Specifically: * Full, 64-bit size, guaranteed (g_stat() is forced to use 32-bit st_size) * Full, 64-bit file identifier (st_ino is 0 when normal stat() is used, and still is) * W32 File attributes (which stat() doesn't report); in particular, this allows symlinks to be correctly identified * Full, 64-bit time, guaranteed (g_stat() uses 32-bit st_*time on 32-bit Windows) * Allocated file size (as a W32 replacement for the missing st_blocks) st_mode remains unchanged (thus, no S_ISLNK), so when these are given back to glib users (via g_stat(), for example, which is now implemented by calling g_win32_stat_utf8), this field does not contain anything unexpected. g_lstat() now calls g_win32_lstat_utf8(), which works on symlinks the way it's supposed to. Also adds the g_win32_readlink_utf8() function, which behaves like readlink() (including its inability to return 0-terminated strings and inability to say how large the output buffer should be; these limitations are purely for compatibility with existing glib code). Thus, symlink support should now be much better, although far from being complete. A new W32-only test in gio/tests/file.c highlights the following features: * allocated size * 64-bit time * unique file IDs https://bugzilla.gnome.org/show_bug.cgi?id=788180
98 lines
4.4 KiB
C
98 lines
4.4 KiB
C
/* GIO - GLib Input, Output and Streaming Library
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*
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* Copyright (C) 2006-2007 Red Hat, Inc.
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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 2.1 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
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* Public License along with this library; if not, see <http://www.gnu.org/licenses/>.
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*
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* Author: Alexander Larsson <alexl@redhat.com>
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*/
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#ifndef __G_LOCAL_FILE_INFO_H__
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#define __G_LOCAL_FILE_INFO_H__
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#include <gio/gfileinfo.h>
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#include <gio/gfile.h>
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#include <glib/gstdioprivate.h>
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#include <sys/stat.h>
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#include <sys/types.h>
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G_BEGIN_DECLS
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typedef struct
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{
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gboolean writable;
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gboolean is_sticky;
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gboolean has_trash_dir;
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int owner;
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dev_t device;
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gpointer extra_data;
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GDestroyNotify free_extra_data;
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} GLocalParentFileInfo;
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#ifdef G_OS_WIN32
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/* We want 64-bit file size, file ID and symlink support */
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#define GLocalFileStat GWin32PrivateStat
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#else
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#define GLocalFileStat struct stat
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#endif
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#define G_LOCAL_FILE_INFO_NOSTAT_ATTRIBUTES \
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G_FILE_ATTRIBUTE_STANDARD_NAME "," \
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G_FILE_ATTRIBUTE_STANDARD_DISPLAY_NAME "," \
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G_FILE_ATTRIBUTE_STANDARD_EDIT_NAME "," \
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G_FILE_ATTRIBUTE_STANDARD_COPY_NAME
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gboolean _g_local_file_has_trash_dir (const char *dirname,
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dev_t dir_dev);
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#ifdef G_OS_UNIX
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gboolean _g_local_file_is_lost_found_dir (const char *path,
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dev_t path_dev);
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#endif
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void _g_local_file_info_get_parent_info (const char *dir,
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GFileAttributeMatcher *attribute_matcher,
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GLocalParentFileInfo *parent_info);
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void _g_local_file_info_free_parent_info (GLocalParentFileInfo *parent_info);
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void _g_local_file_info_get_nostat (GFileInfo *info,
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const char *basename,
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const char *path,
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GFileAttributeMatcher *attribute_matcher);
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GFileInfo *_g_local_file_info_get (const char *basename,
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const char *path,
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GFileAttributeMatcher *attribute_matcher,
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GFileQueryInfoFlags flags,
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GLocalParentFileInfo *parent_info,
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GError **error);
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GFileInfo *_g_local_file_info_get_from_fd (int fd,
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const char *attributes,
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GError **error);
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char * _g_local_file_info_create_etag (GLocalFileStat *statbuf);
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gboolean _g_local_file_info_set_attribute (char *filename,
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const char *attribute,
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GFileAttributeType type,
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gpointer value_p,
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GFileQueryInfoFlags flags,
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GCancellable *cancellable,
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GError **error);
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gboolean _g_local_file_info_set_attributes (char *filename,
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GFileInfo *info,
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GFileQueryInfoFlags flags,
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GCancellable *cancellable,
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GError **error);
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G_END_DECLS
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#endif /* __G_FILE_LOCAL_FILE_INFO_H__ */
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