On Fri, 29 May 2026 10:59:34 +0800
Tianchen Ding <[email protected]> wrote:
> We can take advantage of this by having make_str return the escape-sequence
> text
> instead of binary, and letting write_buffer handle the conversion:
>
> make_str() {
> ...
> printf '%s' "${val}${data}"
> }
>
> write_buffer() {
> id=$1
> size=$2
>
> str=`make_str $id $size`
> len=$(printf "$str" | wc -c)
> printf "$str" | dd of=trace_marker_raw bs=$len iflag=fullblock
> }
>
> This way str holds only printable escape-sequence text (no NUL), printf
> "$str"
> converts it to real binary through the pipe, and wc -c measures the true
> binary
> length.
This is quite hacky, but at least it removes the hardcoded assumptions.
OK, you can send a v3 that does that.
Thanks,
-- Steve
