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Diffstat (limited to 'udev/lib/libudev.c')
-rw-r--r--udev/lib/libudev.c30
1 files changed, 29 insertions, 1 deletions
diff --git a/udev/lib/libudev.c b/udev/lib/libudev.c
index 3f7d0e547e..c698be6e46 100644
--- a/udev/lib/libudev.c
+++ b/udev/lib/libudev.c
@@ -38,6 +38,7 @@ struct udev {
char *sys_path;
char *dev_path;
char *rules_path;
+ struct udev_list_node properties_list;
int log_priority;
int run;
};
@@ -102,6 +103,7 @@ struct udev *udev_new(void)
udev->refcount = 1;
udev->log_fn = log_stderr;
udev->log_priority = LOG_ERR;
+ udev_list_init(&udev->properties_list);
udev->run = 1;
udev->dev_path = strdup(UDEV_PREFIX "/dev");
udev->sys_path = strdup("/sys");
@@ -117,6 +119,7 @@ struct udev *udev_new(void)
free(udev->sys_path);
udev->sys_path = strdup(env);
util_remove_trailing_chars(udev->sys_path, '/');
+ udev_add_property(udev, "SYSFS_PATH", udev->sys_path);
}
env = getenv("UDEV_RUN");
@@ -219,11 +222,12 @@ struct udev *udev_new(void)
free(udev->dev_path);
udev->dev_path = strdup(env);
util_remove_trailing_chars(udev->dev_path, '/');
+ udev_add_property(udev, "UDEV_ROOT", udev->dev_path);
}
env = getenv("UDEV_LOG");
if (env != NULL)
- udev->log_priority = util_log_priority(env);
+ udev_set_log_priority(udev, util_log_priority(env));
if (udev->dev_path == NULL || udev->sys_path == NULL)
goto err;
@@ -274,6 +278,7 @@ void udev_unref(struct udev *udev)
udev->refcount--;
if (udev->refcount > 0)
return;
+ udev_list_cleanup(udev, &udev->properties_list);
free(udev->dev_path);
free(udev->sys_path);
free(udev->rules_path);
@@ -307,7 +312,11 @@ int udev_get_log_priority(struct udev *udev)
void udev_set_log_priority(struct udev *udev, int priority)
{
+ char num[32];
+
udev->log_priority = priority;
+ snprintf(num, sizeof(num), "%u", udev->log_priority);
+ udev_add_property(udev, "UDEV_LOG", num);
}
const char *udev_get_rules_path(struct udev *udev)
@@ -353,3 +362,22 @@ const char *udev_get_dev_path(struct udev *udev)
return NULL;
return udev->dev_path;
}
+
+struct udev_list_entry *udev_add_property(struct udev *udev, const char *key, const char *value)
+{
+ if (value == NULL) {
+ struct udev_list_entry *list_entry;
+
+ list_entry = udev_get_properties_list_entry(udev);
+ list_entry = udev_list_entry_get_by_name(list_entry, key);
+ if (list_entry != NULL)
+ udev_list_entry_remove(list_entry);
+ return NULL;
+ }
+ return udev_list_entry_add(udev, &udev->properties_list, key, value, 1, 0);
+}
+
+struct udev_list_entry *udev_get_properties_list_entry(struct udev *udev)
+{
+ return udev_list_get_entry(&udev->properties_list);
+}