Re: [PATCH] chardev: enable distinct input for -chardev file

[Alexander Bulekov <alxndr@bu.edu>]

On 200501 1325, Alexander Bulekov wrote:
...
> diff --git a/qemu-options.hx b/qemu-options.hx
> index 292d4e7c0c..bbb091872f 100644
> --- a/qemu-options.hx
> +++ b/qemu-options.hx
> @@ -2938,7 +2938,7 @@ DEF("chardev", HAS_ARG, QEMU_OPTION_chardev,
>      "-chardev vc,id=id[[,width=width][,height=height]][[,cols=cols][,rows=rows]]\n"
>      "         [,mux=on|off][,logfile=PATH][,logappend=on|off]\n"
>      "-chardev ringbuf,id=id[,size=size][,logfile=PATH][,logappend=on|off]\n"
> -    "-chardev file,id=id,path=path[,mux=on|off][,logfile=PATH][,logappend=on|off]\n"
> +    "-chardev file,id=id,path=path[,in=PATH][,mux=on|off][,logfile=PATH][,logappend=on|off]\n"
>      "-chardev pipe,id=id,path=path[,mux=on|off][,logfile=PATH][,logappend=on|off]\n"
>  #ifdef _WIN32
>      "-chardev console,id=id[,mux=on|off][,logfile=PATH][,logappend=on|off]\n"
> @@ -3137,13 +3137,16 @@ The available backends are:
>      Create a ring buffer with fixed size ``size``. size must be a power
>      of two and defaults to ``64K``.
>  
> -``-chardev file,id=id,path=path``
> +``-chardev file,id=id,path=path,in=in``

Just noticed that this should be  
-chardev file,id=id,path=path,[in=in]
I'll fix it in v2.

-Alex

>      Log all traffic received from the guest to a file.
>  
>      ``path`` specifies the path of the file to be opened. This file will
>      be created if it does not already exist, and overwritten if it does.
>      ``path`` is required.
>  
> +    ``in`` specifies a separate file as the input to the chardev. If
> +    ``in`` is omitted, ``path`` is used for both input and output
> +
>  ``-chardev pipe,id=id,path=path``
>      Create a two-way connection to the guest. The behaviour differs
>      slightly between Windows hosts and other hosts:
> -- 
> 2.26.2
>