tools: Print meaningful error messages when service startup fails

1 files changed, 3 insertions, 2 deletions

diff --git a/tools/idevicesetlocation.c b/tools/idevicesetlocation.c
index 412b47c..6237a1a 100644
--- a/tools/idevicesetlocation.c
+++ b/tools/idevicesetlocation.c
@@ -141,10 +141,11 @@ int main(int argc, char **argv)
         lockdownd_client_new_with_handshake(device, &lockdown, TOOL_NAME);
 
         lockdownd_service_descriptor_t svc = NULL;
-        if (lockdownd_start_service(lockdown, DT_SIMULATELOCATION_SERVICE, &svc) != LOCKDOWN_E_SUCCESS) {
+        lockdownd_error_t lerr = lockdownd_start_service(lockdown, DT_SIMULATELOCATION_SERVICE, &svc);
+        if (lerr != LOCKDOWN_E_SUCCESS) {
                 lockdownd_client_free(lockdown);
                 idevice_free(device);
-                printf("ERROR: Could not start the simulatelocation service. Make sure a developer disk image is mounted!\n");
+                printf("ERROR: Could not start the simulatelocation service: %s\nMake sure a developer disk image is mounted!\n", lockdownd_strerror(lerr));
                 return -1;
         }
         lockdownd_client_free(lockdown);