sd-login: add new call sd_seat_can_multi_session()

[elogind.git] / src / sysfs-show.c

diff --git a/src/sysfs-show.c b/src/sysfs-show.c
index d12d3ccfc92b6de0f5a1bc489fa81183ea0e46e4..ab866a470755235aaaec899e1c5e433453fbdff6 100644 (file)
--- a/src/sysfs-show.c
+++ b/src/sysfs-show.c
@@ -26,23 +26,6 @@
 #include "util.h"
 #include "sysfs-show.h"
 
-static bool device_has_tag(struct udev_device *d, const char *tag) {
-        struct udev_list_entry *first, *item;
-
-        assert(d);
-        assert(tag);
-
-        /* FIXME */
-        udev_device_get_is_initialized(d);
-
-        first = udev_device_get_tags_list_entry(d);
-        udev_list_entry_foreach(item, first)
-                if (streq(udev_list_entry_get_name(item), tag))
-                        return true;
-
-        return false;
-}
-
 static int show_sysfs_one(
                 struct udev *udev,
                 const char *seat,
@@ -59,7 +42,8 @@ static int show_sysfs_one(
         while (*item) {
                 struct udev_list_entry *next, *lookahead;
                 struct udev_device *d;
-                const char *sn, *id, *name, *sysfs, *subsystem, *sysname;
+                const char *sn, *name, *sysfs, *subsystem, *sysname;
+                char *l, *k;
 
                 sysfs = udev_list_entry_get_name(*item);
                 if (!path_startswith(sysfs, sub))
@@ -76,13 +60,12 @@ static int show_sysfs_one(
                         sn = "seat0";
 
                 /* fixme, also check for tag 'seat' here */
-                if (!streq(seat, sn) || !device_has_tag(d, "seat")) {
+                if (!streq(seat, sn) || !udev_device_has_tag(d, "seat")) {
                         udev_device_unref(d);
                         *item = udev_list_entry_get_next(*item);
                         continue;
                 }
 
-                id = udev_device_get_property_value(d, "ID_FOR_SEAT");
                 name = udev_device_get_sysattr_value(d, "name");
                 if (!name)
                         name = udev_device_get_sysattr_value(d, "id");
@@ -109,7 +92,7 @@ static int show_sysfs_one(
                                         if (isempty(lookahead_sn))
                                                 lookahead_sn = "seat0";
 
-                                        found = streq(seat, lookahead_sn) && device_has_tag(d, "seat");
+                                        found = streq(seat, lookahead_sn) && udev_device_has_tag(lookahead_d, "seat");
                                         udev_device_unref(lookahead_d);
 
                                         if (found)
@@ -120,19 +103,29 @@ static int show_sysfs_one(
                         lookahead = udev_list_entry_get_next(lookahead);
                 }
 
-                printf("%s%s %s (%s:%s)", prefix, lookahead ? "\342\224\234" : "\342\224\224", id ? id : sysfs, subsystem, sysname);
+                k = ellipsize(sysfs, n_columns, 20);
+                printf("%s%s %s\n", prefix, lookahead ? "\342\224\234" : "\342\224\224", k ? k : sysfs);
+                free(k);
+
+                if (asprintf(&l,
+                             "(%s:%s)%s%s%s",
+                             subsystem, sysname,
+                             name ? " \"" : "", name ? name : "", name ? "\"" : "") < 0) {
+                        udev_device_unref(d);
+                        return -ENOMEM;
+                }
 
-                if (name)
-                        printf(" \"%s\"\n", name);
-                else
-                        printf("\n");
+                k = ellipsize(l, n_columns, 70);
+                printf("%s%s %s\n", prefix, lookahead ? "\342\224\202" : " ", k ? k : l);
+                free(k);
+                free(l);
 
                 *item = next;
                 if (*item) {
                         char *p;
 
                         p = strappend(prefix, lookahead ? "\342\224\202 " : "  ");
-                        show_sysfs_one(udev, seat, item, sysfs, p, n_columns - 2);
+                        show_sysfs_one(udev, seat, item, sysfs, p ? p : prefix, n_columns - 2);
                         free(p);
                 }