Fix seg fault

fftma_module/gen/lib_src/log.c

@@ -148,10 +148,10 @@ void log_log(int level, const char *file, int line, const char *fmt, ...) {
   };
 
   char* env_var = getenv("ENV");
-  if (strcmp("false", env_var) == 0) return;
+  if (env_var != NULL && strcmp("false", env_var) == 0) return;
   
   char* substr = strstr(fmt, "MEM");
-  if (strcmp("analysis", env_var) == 0 && substr == NULL) return;
+  if (env_var != NULL && strcmp("analysis", env_var) == 0 && substr == NULL) return;
 
   lock();