Changeset 9546146 in mainline for uspace/srv/hid/display/seat.c

Timestamp:

2024-08-23T18:02:06Z (3 months ago)

Author:

Jiri Svoboda <jiri@…>

Branches:

master

Children:

4af6fb1

Parents:

ca95ccd

Message:

Persistently store display/seat configuration.

File:

• uspace/srv/hid/display/seat.c (modified) (2 diffs)

uspace/srv/hid/display/seat.c

@@ -38 +38 @@
 #include <gfx/color.h>
 #include <gfx/render.h>
+#include <sif.h>
+#include <stdio.h>
 #include <stdlib.h>
 #include <str.h>
@@ -117 +119 @@
         free(seat->name);
         free(seat);
+}
+
+/** Load seat from SIF node.
+ *
+ * @param display Display
+ * @param snode Seat node from which to load the seat
+ * @param rseat Place to store pointer to the newly loaded seat
+ *
+ * @return EOK on success or an error code
+ */
+errno_t ds_seat_load(ds_display_t *display, sif_node_t *snode,
+    ds_seat_t **rseat)
+{
+        const char *sid;
+        const char *name;
+        char *endptr;
+        unsigned long id;
+        errno_t rc;
+
+        sid = sif_node_get_attr(snode, "id");
+        if (sid == NULL)
+                return EIO;
+
+        name = sif_node_get_attr(snode, "name");
+        if (name == NULL)
+                return EIO;
+
+        id = strtoul(sid, &endptr, 10);
+        if (*endptr != '\0')
+                return EIO;
+
+        rc = ds_seat_create(display, name, rseat);
+        if (rc != EOK)
+                return EIO;
+
+        (*rseat)->id = id;
+        return EOK;
+}
+
+/** Save seat to SIF node.
+ *
+ * @param seat Seat
+ * @param snode Seat node into which the seat should be saved
+ *
+ * @return EOK on success or an error code
+ */
+errno_t ds_seat_save(ds_seat_t *seat, sif_node_t *snode)
+{
+        char *sid;
+        errno_t rc;
+        int rv;
+
+        rv = asprintf(&sid, "%lu", (unsigned long)seat->id);
+        if (rv < 0) {
+                rc = ENOMEM;
+                return rc;
+        }
+
+        rc = sif_node_set_attr(snode, "id", sid);
+        if (rc != EOK) {
+                free(sid);
+                return rc;
+        }
+
+        free(sid);
+
+        rc = sif_node_set_attr(snode, "name", seat->name);
+        if (rc != EOK)
+                return rc;
+
+        return EOK;
 }