Re: Lua in-kernel (lbuf library)

[Marc Balmer <marc%msys.ch@localhost>]

Am 15.10.13 23:01, schrieb Lourival Vieira Neto:

[...]

>> Also, having to switch mentally between zero-based arrays in the kernel C
>> code and 1-based arrays in the Lua code make my head ache.
> 
> It's something that doesn't bug me so much.. But, if necessary it
> could be changed to 0-based in this userdata.

In C an array index is actually an offset from the top, so 0 is the
natural way to denote element nr. 1 in C.  In Lua, a numeric array index
is not an offset, but the ordinal array position.  So 1 is the natural
way to denote the first element.

Strictly speaking, it's actually C that is weird:  Index n denotes array
element n + 1...

Following the principle of least astonishment, I would not recommend
starting to do 0 based stuff in Lua, a Lua programmer certainly expects
things to start at 1.

[...]