input_gadgets: return values in char*

1 files changed, 4 insertions, 1 deletions

diff --git a/anzeige.c b/anzeige.c
index bf4cacd..7e50547 100644
--- a/anzeige.c
+++ b/anzeige.c
@@ -20,6 +20,7 @@ int main(int argc, char **argv)
   pthread_t thread_id;
   t_display_data display_data;
   int ret_val;
+  char *text_buffer;
 
   // Set up gpi pointer for direct register access
   ret_val = multiplexer_setup_root();
@@ -29,9 +30,11 @@ int main(int argc, char **argv)
   // Drop root privileges
   drop_privileges();
 
-  ret_val = gadgets_retrieve_temperature();
+  ret_val = gadgets_retrieve_temperature(&text_buffer);
   if (ret_val)
     exit(ret_val);
+  printf("<<%s>>", text_buffer);
+  free(text_buffer);
   return 0;
 
  /************************************************************************\