static void assert_file_overwrite(const char *filename) { if (file_overwrite && no_file_overwrite) { fprintf(stderr, "Error, both -y and -n supplied. Exiting.\n"); exit_program(1); } if (!file_overwrite && (strchr(filename, ':') == NULL || filename[1] == ':' || av_strstart(filename, "file:", NULL))) { if (avio_check(filename, 0) == 0) { if (stdin_interaction && !no_file_overwrite) { fprintf(stderr,"File '%s' already exists. Overwrite ? [y/N] ", filename); fflush(stderr); term_exit(); signal(SIGINT, SIG_DFL); if (!read_yesno()) { av_log(NULL, AV_LOG_FATAL, "Not overwriting - exiting\n"); exit_program(1); } term_init(); } else { av_log(NULL, AV_LOG_FATAL, "File '%s' already exists. Exiting.\n", filename); exit_program(1); } } } }