X-Git-Url: http://www.aleph1.co.uk/gitweb/?p=yaffs2.git;a=blobdiff_plain;f=direct%2Fyaffs_attribs.c;fp=direct%2Fyaffs_attribs.c;h=89cd7fcf760e3d1cf41f9fe93635e501faea6ca0;hp=0000000000000000000000000000000000000000;hb=a233a8fc212a32a50cc5f572cd4946e91cc9ca93;hpb=4aab7ea4c9b8fb1bb9b375476a9faf70d29871b1

diff --git a/direct/yaffs_attribs.c b/direct/yaffs_attribs.c
new file mode 100644
index 0000000..89cd7fc
--- /dev/null
+++ b/direct/yaffs_attribs.c
@@ -0,0 +1,153 @@
+/*
+ * YAFFS: Yet Another Flash File System. A NAND-flash specific file system.
+ *
+ * Copyright (C) 2002-2010 Aleph One Ltd.
+ *   for Toby Churchill Ltd and Brightstar Engineering
+ *
+ * Created by Charles Manning <charles@aleph1.co.uk>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include "yaffs_attribs.h"
+
+
+void yaffs_load_attribs(struct yaffs_obj *obj, struct yaffs_obj_hdr *oh)
+{
+	obj->yst_uid = oh->yst_uid;
+	obj->yst_gid = oh->yst_gid;
+	obj->yst_atime = oh->yst_atime;
+	obj->yst_mtime = oh->yst_mtime;
+	obj->yst_ctime = oh->yst_ctime;
+	obj->yst_rdev = oh->yst_rdev;
+}
+
+
+void yaffs_load_attribs_oh(struct yaffs_obj_hdr *oh, struct yaffs_obj *obj)
+{
+#ifdef CONFIG_YAFFS_WINCE
+		oh->win_atime[0] = obj->win_atime[0];
+		oh->win_ctime[0] = obj->win_ctime[0];
+		oh->win_mtime[0] = obj->win_mtime[0];
+		oh->win_atime[1] = obj->win_atime[1];
+		oh->win_ctime[1] = obj->win_ctime[1];
+		oh->win_mtime[1] = obj->win_mtime[1];
+#else
+		oh->yst_uid = obj->yst_uid;
+		oh->yst_gid = obj->yst_gid;
+		oh->yst_atime = obj->yst_atime;
+		oh->yst_mtime = obj->yst_mtime;
+		oh->yst_ctime = obj->yst_ctime;
+		oh->yst_rdev = obj->yst_rdev;
+#endif
+
+}
+
+void yaffs_attribs_init(struct yaffs_obj *obj, u32 gid, u32 uid, u32 rdev)
+{
+
+#ifdef CONFIG_YAFFS_WINCE
+		yfsd_win_file_time_now(obj->win_atime);
+		obj->win_ctime[0] = obj->win_mtime[0] = obj->win_atime[0];
+		obj->win_ctime[1] = obj->win_mtime[1] = obj->win_atime[1];
+
+#else
+	yaffs_load_current_time(obj,1,1);
+	obj->yst_rdev = rdev;
+	obj->yst_uid = uid;
+	obj->yst_gid = gid;
+#endif
+}
+
+void yaffs_load_current_time(struct yaffs_obj *obj, int do_a, int do_c)
+{
+#ifdef CONFIG_YAFFS_WINCE
+		yfsd_win_file_time_now(the_obj->win_atime);
+		the_obj->win_ctime[0] = the_obj->win_mtime[0] =
+		    the_obj->win_atime[0];
+		the_obj->win_ctime[1] = the_obj->win_mtime[1] =
+		    the_obj->win_atime[1];
+
+#else
+
+        obj->yst_mtime = Y_CURRENT_TIME;
+        if(do_a)
+                obj->yst_atime = obj->yst_atime;
+        if(do_c)
+                obj->yst_ctime = obj->yst_atime;
+#endif
+}
+
+loff_t yaffs_get_file_size(struct yaffs_obj *obj)
+{
+	YCHAR *alias = NULL;
+	obj = yaffs_get_equivalent_obj(obj);
+
+	switch (obj->variant_type) {
+	case YAFFS_OBJECT_TYPE_FILE:
+		return obj->variant.file_variant.file_size;
+	case YAFFS_OBJECT_TYPE_SYMLINK:
+		alias = obj->variant.symlink_variant.alias;
+		if(!alias)
+			return 0;
+		return yaffs_strnlen(alias,YAFFS_MAX_ALIAS_LENGTH);
+	default:
+		return 0;
+	}
+}
+
+int yaffs_set_attribs(struct yaffs_obj *obj, struct iattr *attr)
+{
+	unsigned int valid = attr->ia_valid;
+
+	if (valid & ATTR_MODE)
+		obj->yst_mode = attr->ia_mode;
+	if (valid & ATTR_UID)
+		obj->yst_uid = attr->ia_uid;
+	if (valid & ATTR_GID)
+		obj->yst_gid = attr->ia_gid;
+
+	if (valid & ATTR_ATIME)
+		obj->yst_atime = Y_TIME_CONVERT(attr->ia_atime);
+	if (valid & ATTR_CTIME)
+		obj->yst_ctime = Y_TIME_CONVERT(attr->ia_ctime);
+	if (valid & ATTR_MTIME)
+		obj->yst_mtime = Y_TIME_CONVERT(attr->ia_mtime);
+
+	if (valid & ATTR_SIZE)
+		yaffs_resize_file(obj, attr->ia_size);
+
+	yaffs_update_oh(obj, NULL, 1, 0, 0, NULL);
+
+	return YAFFS_OK;
+
+}
+
+int yaffs_get_attribs(struct yaffs_obj *obj, struct iattr *attr)
+{
+	unsigned int valid = 0;
+
+	attr->ia_mode = obj->yst_mode;
+	valid |= ATTR_MODE;
+	attr->ia_uid = obj->yst_uid;
+	valid |= ATTR_UID;
+	attr->ia_gid = obj->yst_gid;
+	valid |= ATTR_GID;
+
+	Y_TIME_CONVERT(attr->ia_atime) = obj->yst_atime;
+	valid |= ATTR_ATIME;
+	Y_TIME_CONVERT(attr->ia_ctime) = obj->yst_ctime;
+	valid |= ATTR_CTIME;
+	Y_TIME_CONVERT(attr->ia_mtime) = obj->yst_mtime;
+	valid |= ATTR_MTIME;
+
+	attr->ia_size = yaffs_get_file_size(obj);
+	valid |= ATTR_SIZE;
+
+	attr->ia_valid = valid;
+
+	return YAFFS_OK;
+}
+