property_list_service: Consider a successful 0 byte read a timeout rather than an error condition

1 files changed, 5 insertions, 0 deletions

diff --git a/src/property_list_service.c b/src/property_list_service.c
index 1cb8dc9..9d47fd6 100644
--- a/src/property_list_service.c
+++ b/src/property_list_service.c
@@ -197,6 +197,11 @@ static property_list_service_error_t internal_plist_receive_timeout(property_lis
                 return service_to_property_list_service_error(serr);
         }
 
+        if (bytes == 0) {
+                /* success but 0 bytes length, assume timeout */
+                return PROPERTY_LIST_SERVICE_E_RECEIVE_TIMEOUT;
+        }
+
         debug_info("initial read=%i", bytes);
 
         uint32_t curlen = 0;