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gfileinfo: Add g_file_info_{get,set}_modification_date_time() APIs

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These are alternatives to g_file_info_{get,set}_modification_time(),
which will soon be deprecated due to using the deprecated GTimeVal
type, which is not year 2038 safe.

The new APIs take a GDateTime instead.

Signed-off-by: Philip Withnall <withnall@endlessm.com>

Helps: #1438
This commit is contained in:
Philip Withnall 2019-06-28 19:02:09 +01:00
parent a3f22f0c2c
commit d166a55c64
3 changed files with 81 additions and 0 deletions
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2
docs/reference/gio/gio-sections-common.txt
View File

@ -395,6 +395,7 @@ g_file_info_get_symbolic_icon
g_file_info_get_content_type
g_file_info_get_size
g_file_info_get_modification_time
g_file_info_get_modification_date_time
g_file_info_get_symlink_target
g_file_info_get_etag
g_file_info_get_sort_order
@ -412,6 +413,7 @@ g_file_info_set_symbolic_icon
g_file_info_set_content_type
g_file_info_set_size
g_file_info_set_modification_time
g_file_info_set_modification_date_time
g_file_info_set_symlink_target
g_file_info_set_sort_order
g_file_attribute_matcher_new

74
gio/gfileinfo.c
View File

@ -1776,6 +1776,46 @@ g_file_info_get_modification_time (GFileInfo *info,
result->tv_usec = _g_file_attribute_value_get_uint32 (value);
}
/**
* g_file_info_get_modification_date_time:
* @info: a #GFileInfo.
*
* Gets the modification time of the current @info and returns it as a
* #GDateTime.
*
* Returns: (transfer full) (nullable): modification time, or %NULL if unknown
* Since: 2.62
*/
GDateTime *
g_file_info_get_modification_date_time (GFileInfo *info)
{
static guint32 attr_mtime = 0, attr_mtime_usec;
GFileAttributeValue *value, *value_usec;
GDateTime *dt = NULL, *dt2 = NULL;
g_return_val_if_fail (G_IS_FILE_INFO (info), NULL);
if (attr_mtime == 0)
{
attr_mtime = lookup_attribute (G_FILE_ATTRIBUTE_TIME_MODIFIED);
attr_mtime_usec = lookup_attribute (G_FILE_ATTRIBUTE_TIME_MODIFIED_USEC);
}
value = g_file_info_find_value (info, attr_mtime);
if (value == NULL)
return NULL;
value_usec = g_file_info_find_value (info, attr_mtime_usec);
if (value_usec == NULL)
return NULL;
dt = g_date_time_new_from_unix_utc (_g_file_attribute_value_get_uint64 (value));
dt2 = g_date_time_add_seconds (dt, _g_file_attribute_value_get_uint32 (value_usec) / (gdouble) G_USEC_PER_SEC);
g_date_time_unref (dt);
return g_steal_pointer (&dt2);
}
/**
* g_file_info_get_symlink_target:
* @info: a #GFileInfo.
@ -2138,6 +2178,40 @@ g_file_info_set_modification_time (GFileInfo *info,
_g_file_attribute_value_set_uint32 (value, mtime->tv_usec);
}
/**
* g_file_info_set_modification_date_time:
* @info: a #GFileInfo.
* @mtime: (not nullable): a #GDateTime.
*
* Sets the %G_FILE_ATTRIBUTE_TIME_MODIFIED attribute in the file
* info to the given date/time value.
*
* Since: 2.62
*/
void
g_file_info_set_modification_date_time (GFileInfo *info,
GDateTime *mtime)
{
static guint32 attr_mtime = 0, attr_mtime_usec;
GFileAttributeValue *value;
g_return_if_fail (G_IS_FILE_INFO (info));
g_return_if_fail (mtime != NULL);
if (attr_mtime == 0)
{
attr_mtime = lookup_attribute (G_FILE_ATTRIBUTE_TIME_MODIFIED);
attr_mtime_usec = lookup_attribute (G_FILE_ATTRIBUTE_TIME_MODIFIED_USEC);
}
value = g_file_info_create_value (info, attr_mtime);
if (value)
_g_file_attribute_value_set_uint64 (value, g_date_time_to_unix (mtime));
value = g_file_info_create_value (info, attr_mtime_usec);
if (value)
_g_file_attribute_value_set_uint32 (value, g_date_time_get_microsecond (mtime));
}
/**
* g_file_info_set_symlink_target:
* @info: a #GFileInfo.

5
gio/gfileinfo.h
View File

@ -1049,6 +1049,8 @@ goffset g_file_info_get_size (GFileInfo *info);
GLIB_AVAILABLE_IN_ALL
void g_file_info_get_modification_time (GFileInfo *info,
GTimeVal *result);
GLIB_AVAILABLE_IN_2_62
GDateTime * g_file_info_get_modification_date_time (GFileInfo *info);
GLIB_AVAILABLE_IN_ALL
const char * g_file_info_get_symlink_target (GFileInfo *info);
GLIB_AVAILABLE_IN_ALL
@ -1096,6 +1098,9 @@ void g_file_info_set_size (GFileInfo *info,
GLIB_AVAILABLE_IN_ALL
void g_file_info_set_modification_time (GFileInfo *info,
GTimeVal *mtime);
GLIB_AVAILABLE_IN_2_62
void g_file_info_set_modification_date_time (GFileInfo *info,
GDateTime *mtime);
GLIB_AVAILABLE_IN_ALL
void g_file_info_set_symlink_target (GFileInfo *info,
const char *symlink_target);