sd-device: introduce device_enumerator_get_devices()

2 files changed, 12 insertions, 0 deletions

diff --git a/src/libsystemd/sd-device/device-enumerator-private.h b/src/libsystemd/sd-device/device-enumerator-private.h
index 56a953d33b..87411bfdd8 100644
--- a/src/libsystemd/sd-device/device-enumerator-private.h
+++ b/src/libsystemd/sd-device/device-enumerator-private.h
@@ -9,6 +9,7 @@ int device_enumerator_add_device(sd_device_enumerator *enumerator, sd_device *de
 int device_enumerator_add_match_is_initialized(sd_device_enumerator *enumerator);
 sd_device *device_enumerator_get_first(sd_device_enumerator *enumerator);
 sd_device *device_enumerator_get_next(sd_device_enumerator *enumerator);
+sd_device **device_enumerator_get_devices(sd_device_enumerator *enumerator, size_t *ret_n_devices);
 
 #define FOREACH_DEVICE_AND_SUBSYSTEM(enumerator, device)       \
         for (device = device_enumerator_get_first(enumerator); \
diff --git a/src/libsystemd/sd-device/device-enumerator.c b/src/libsystemd/sd-device/device-enumerator.c
index 509b72256a..3f7ead268e 100644
--- a/src/libsystemd/sd-device/device-enumerator.c
+++ b/src/libsystemd/sd-device/device-enumerator.c
@@ -973,3 +973,14 @@ sd_device *device_enumerator_get_next(sd_device_enumerator *enumerator) {
 
         return enumerator->devices[++enumerator->current_device_index];
 }
+
+sd_device **device_enumerator_get_devices(sd_device_enumerator *enumerator, size_t *ret_n_devices) {
+        assert(enumerator);
+        assert(ret_n_devices);
+
+        if (!enumerator->scan_uptodate)
+                return NULL;
+
+        *ret_n_devices = enumerator->n_devices;
+        return enumerator->devices;
+}