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Add G_FILE_ATTRIBUTE_FILESYSTEM_USED to get exact used space

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This is implemented by with statfs_buffer.f_bavail (free blocks
for unprivileged users) as a default way to retrieve real free space.
Based on a patch by Marcus Carlson, bug 625751.
This commit is contained in:
Matthias Clasen 2012-01-09 21:49:08 -05:00
parent 31960257a6
commit 00c00e2f3f
4 changed files with 32 additions and 0 deletions
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1
docs/reference/gio/gio-sections.txt
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@ -295,6 +295,7 @@ G_FILE_ATTRIBUTE_THUMBNAILING_FAILED
G_FILE_ATTRIBUTE_PREVIEW_ICON
G_FILE_ATTRIBUTE_FILESYSTEM_SIZE
G_FILE_ATTRIBUTE_FILESYSTEM_FREE
G_FILE_ATTRIBUTE_FILESYSTEM_USED
G_FILE_ATTRIBUTE_FILESYSTEM_TYPE
G_FILE_ATTRIBUTE_FILESYSTEM_READONLY
G_FILE_ATTRIBUTE_GVFS_BACKEND

1
gio/gfileattribute.c
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@ -194,6 +194,7 @@
* <row><entry>%G_FILE_ATTRIBUTE_PREVIEW_ICON</entry><entry>preview::icon</entry><entry>object (#GIcon)</entry></row>
* <row><entry>%G_FILE_ATTRIBUTE_FILESYSTEM_SIZE</entry><entry>filesystem::size</entry><entry>uint64</entry></row>
* <row><entry>%G_FILE_ATTRIBUTE_FILESYSTEM_FREE</entry><entry>filesystem::free</entry><entry>uint64</entry></row>
* <row><entry>%G_FILE_ATTRIBUTE_FILESYSTEM_USED</entry><entry>filesystem::used</entry><entry>uint64</entry></row>
* <row><entry>%G_FILE_ATTRIBUTE_FILESYSTEM_TYPE</entry><entry>filesystem::type</entry><entry>string</entry></row>
* <row><entry>%G_FILE_ATTRIBUTE_FILESYSTEM_READONLY</entry><entry>filesystem::readonly</entry><entry>boolean</entry></row>
* <row><entry>%G_FILE_ATTRIBUTE_GVFS_BACKEND</entry><entry>gvfs::backend</entry><entry>string</entry></row>

11
gio/gfileinfo.h
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@ -728,6 +728,17 @@ typedef struct _GFileInfoClass GFileInfoClass;
**/
#define G_FILE_ATTRIBUTE_FILESYSTEM_FREE "filesystem::free" /* uint64 */
/**
* G_FILE_ATTRIBUTE_FILESYSTEM_USED:
*
* A key in the "filesystem" namespace for getting the number of bytes of used on the
* file system. Corresponding #GFileAttributeType is
* %G_FILE_ATTRIBUTE_TYPE_UINT64.
*
* Since: 2.32
*/
#define G_FILE_ATTRIBUTE_FILESYSTEM_USED "filesystem::used" /* uint64 */
/**
* G_FILE_ATTRIBUTE_FILESYSTEM_TYPE:
*

19
gio/glocalfile.c
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@ -990,6 +990,25 @@ g_local_file_query_filesystem_info (GFile *file,
#if defined(USE_STATFS) || defined(USE_STATVFS)
g_file_info_set_attribute_uint64 (info, G_FILE_ATTRIBUTE_FILESYSTEM_SIZE, block_size * statfs_buffer.f_blocks);
#endif
#endif /* G_OS_WIN32 */
}
if (!no_size &&
g_file_attribute_matcher_matches (attribute_matcher,
G_FILE_ATTRIBUTE_FILESYSTEM_USED))
{
#ifdef G_OS_WIN32
gchar *localdir = g_path_get_dirname (local->filename);
wchar_t *wdirname = g_utf8_to_utf16 (localdir, -1, NULL, NULL, NULL);
ULARGE_INTEGER li_free;
ULARGE_INTEGER li_total;
g_free (localdir);
if (GetDiskFreeSpaceExW (wdirname, &li_free, &li_total, NULL))
g_file_info_set_attribute_uint64 (info, G_FILE_ATTRIBUTE_FILESYSTEM_USED, (guint64)li_total.QuadPart - (guint64)li_free.QuadPart);
g_free (wdirname);
#else
g_file_info_set_attribute_uint64 (info, G_FILE_ATTRIBUTE_FILESYSTEM_USED, block_size * (statfs_buffer.f_blocks - statfs_buffer.f_bfree));
#endif /* G_OS_WIN32 */
}