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| -rw-r--r-- | www/code.html | 12 |
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diff --git a/www/code.html b/www/code.html index a458b52c..a1c08efe 100644 --- a/www/code.html +++ b/www/code.html @@ -233,6 +233,18 @@ where execution of your command starts. Your command line options are already sorted into this.optflags, this.optargs, this.optc, and the GLOBALS() as appropriate by the time this function is called. (See <a href="#lib_args">get_optflags()</a> for details.)</p></li> + +<li><p>Switch on TOYBOX_DEBUG in menuconfig (toybox global settings menu) +the first time you build and run your new command. If anything is wrong +with your option string, that will give you error messages.</p> + +<p>Otherwise it'll just segfault without +explanation when it falls off the end because it didn't find a matching +end parantheses for a longopt, or you put a nonexistent option in a square +bracket grouping... Since these kind of errors can only be caused by a +developer, not by end users, we don't normally want runtime checks for +them. Once you're happy with your option string, you can switch TOYBOX_DEBUG +back off.</p></li> </ul> <a name="headers" /><h2><a href="#headers">Headers.</a></h2> |