udev: remove SYMLINK "unique" option

[elogind.git] / src / libudev / libudev.c

diff --git a/src/libudev/libudev.c b/src/libudev/libudev.c
index a0ec39d0278a51d3288475616980b6d999c9fde0..af36cc44524c9f788f26d803afd4435f20a61400 100644 (file)
--- a/src/libudev/libudev.c
+++ b/src/libudev/libudev.c
@@ -21,6 +21,7 @@
 
 #include "libudev.h"
 #include "libudev-private.h"
+#include "missing.h"
 
 /**
  * SECTION:libudev
@@ -191,7 +192,7 @@ _public_ struct udev *udev_new(void)
         }
 
         /* environment overrides config */
-        env = getenv("UDEV_LOG");
+        env = secure_getenv("UDEV_LOG");
         if (env != NULL)
                 udev_set_log_priority(udev, util_log_priority(env));
 
@@ -221,16 +222,18 @@ _public_ struct udev *udev_ref(struct udev *udev)
  * Drop a reference of the udev library context. If the refcount
  * reaches zero, the resources of the context will be released.
  *
+ * Returns: the passed udev library context if it has still an active reference, or #NULL otherwise.
  **/
-_public_ void udev_unref(struct udev *udev)
+_public_ struct udev *udev_unref(struct udev *udev)
 {
         if (udev == NULL)
-                return;
+                return NULL;
         udev->refcount--;
         if (udev->refcount > 0)
-                return;
+                return udev;
         udev_list_cleanup(&udev->properties_list);
         free(udev);
+        return NULL;
 }
 
 /**
@@ -283,51 +286,6 @@ _public_ void udev_set_log_priority(struct udev *udev, int priority)
         udev_add_property(udev, "UDEV_LOG", num);
 }
 
-/**
- * udev_get_sys_path:
- * @udev: udev library context
- *
- * Returns always "/sys"; deprecated, will be removed in a future version.
- *
- * Returns: the sys mount point
- **/
-_public_ const char *udev_get_sys_path(struct udev *udev)
-{
-        if (udev == NULL)
-                return NULL;
-        return "/sys";
-}
-
-/**
- * udev_get_dev_path:
- * @udev: udev library context
- *
- * Returns always "/dev"; deprecated, will be removed in a future version.
- *
- * Returns: the device directory path
- **/
-_public_ const char *udev_get_dev_path(struct udev *udev)
-{
-        if (udev == NULL)
-                return NULL;
-        return "/dev";
-}
-
-/**
- * udev_get_run_path:
- * @udev: udev library context
- *
- * Returns always "/run/udev"; deprecated, will be removed in a future version.
- *
- * Returns: the runtime directory path
- **/
-_public_ const char *udev_get_run_path(struct udev *udev)
-{
-        if (udev == NULL)
-                return NULL;
-        return "/run/udev";
-}
-
 struct udev_list_entry *udev_add_property(struct udev *udev, const char *key, const char *value)
 {
         if (value == NULL) {