Re: [PATCH v3 0/3] MR1199: xmllite/writer : Implement a few APIs

[Nikolay Sivov (＠nsivov)]

On Sun Nov 20 14:38:07 2022 +0000, David Kahurani wrote:
> With WriteRawChars() we have two constraints 
> i) The string itself
> ii) The number of characters the user requested to write.
> When correctly used, the two constraints should both fail or, the length
> constraint should fail but the string constraint shouldn't fail before
> the length constraint because that would mean someone tried to write
> `'\0'` which is invalid and hence the check.
> On the other hand, we only have one constraint with WriteRaw()

I don't follow, why is this not the same situation as with write_escaped_string() with explicit length? Why do you have to check for (*pwch && cwch) and not just (cwch)?