C API: feature additions, bugfixes

* Wrapped uhd::device_addrs_t, added find functions for multi_usrp, multi_usrp_clock
* Replaced getopt with public domain implementation
* Minor bugfixes

1 files changed, 5 insertions, 5 deletions

diff --git a/host/examples/tx_samples_c.c b/host/examples/tx_samples_c.c
index 5a4b79005..3035297fd 100644
--- a/host/examples/tx_samples_c.c
+++ b/host/examples/tx_samples_c.c
@@ -102,19 +102,19 @@ int main(int argc, char* argv[]){
     // Create USRP
     uhd_usrp_handle usrp;
     fprintf(stderr, "Creating USRP with args \"%s\"...\n", device_args);
-    EXECUTE_OR_GOTO(free_usrp,
+    EXECUTE_OR_GOTO(free_option_strings,
         uhd_usrp_make(&usrp, device_args)
     )
 
     // Create TX streamer
     uhd_tx_streamer_handle tx_streamer;
-    EXECUTE_OR_GOTO(free_tx_streamer,
+    EXECUTE_OR_GOTO(free_usrp,
         uhd_tx_streamer_make(&tx_streamer)
     )
 
     // Create TX metadata
     uhd_tx_metadata_handle md;
-    EXECUTE_OR_GOTO(free_tx_metadata,
+    EXECUTE_OR_GOTO(free_tx_streamer,
         uhd_tx_metadata_make(&md, false, 0.0, 0.1, true, false)
     )
 
@@ -224,7 +224,7 @@ int main(int argc, char* argv[]){
         if(verbose){
             fprintf(stderr, "Cleaning up USRP.\n");
         }
-        if(return_code != EXIT_SUCCESS){
+        if(return_code != EXIT_SUCCESS && usrp != NULL){
             uhd_usrp_last_error(usrp, error_string, 512);
             fprintf(stderr, "USRP reported the following error: %s\n", error_string);
         }
@@ -235,7 +235,7 @@ int main(int argc, char* argv[]){
             free(device_args);
         }
 
-    fprintf(stderr, (return_code ? "Failure" : "Success"));
+    fprintf(stderr, (return_code ? "Failure\n" : "Success\n"));
 
     return return_code;
 }