if (CFG_TOYBOX_HELP) show_help(stderr);
- va_start(va, msg);
- verror_msg(msg, 0, va);
- va_end(va);
+ if (msg) {
+ va_start(va, msg);
+ verror_msg(msg, 0, va);
+ va_end(va);
+ }
xexit();
}
-e Don't warn about unknown keys
-N Don't print key values
-n Don't print key names
- -p [FILE] Read values from FILE (default /etc/sysctl.conf)
+ -p Read values from FILE (default /etc/sysctl.conf)
-q Don't show value after write
-w Only write values (object to reading)
*/
fclose(fp);
// Loop through arguments, displaying or assigning as appropriate
- } else for (args = toys.optargs; *args; args++) process_key(*args, 0);
+ } else {
+ if (!*toys.optargs) help_exit(0);
+ for (args = toys.optargs; *args; args++) process_key(*args, 0);
+ }
}