Re: [PATCH] git-mailinfo may corrupt patch headers on attached files

> Boundary lines in emails are treated as a special case.  As a result of
> processing the boundary line a new line will be read into the buffer.
>
> The string length variable 'len' is evaluated before the boundary case, thus
> there is the possibility the length of the string does not match the new
> line read in (in the boundary line case).  This causes a partial output of
> the line to the patch file.
>
> The fix is trivial, evaluate the length of the string right before
> processing it.