Fix wrong assertion failure for console redirection (#5671)

* Add null if nothing was read * Update src/controller/c/robot.c Co-authored-by: Olivier Michel <[email protected]> Co-authored-by: Olivier Michel <[email protected]>
cyberbotics · Dec 21, 2022 · b108cb3 · b108cb3
1 parent 4218f49
commit b108cb3
Showing 1 changed file with 6 additions and 1 deletion.
diff --git a/src/controller/c/robot.c b/src/controller/c/robot.c
@@ -158,7 +158,12 @@ void stream_pipe_read(int fd, char **buffer) {
   if (len == -1)
     len = 0;
 #endif
-  (*buffer)[len] = '\0';
+  if (len != 0)
+    (*buffer)[len] = '\0';
+  else {
+    free(*buffer);
+    *buffer = NULL;
+  }
 }
 
 static void init_robot_window_library() {