[Libguestfs] [PATCH] New API: part_get_part_type for showing partition type

[Chen, Hanxiao]

> -----Original Message-----
> From: libguestfs-bounces at redhat.com [mailto:libguestfs-bounces at redhat.com] On
> Behalf Of Pino Toscano
> Sent: Tuesday, March 24, 2015 4:44 PM
> To: libguestfs at redhat.com
> Subject: Re: [Libguestfs] [PATCH] New API: part_get_part_type for showing partition
> type
> 
> On Tuesday 24 March 2015 05:25:51 Chen, Hanxiao wrote:
> >
> > > -----Original Message-----
> > > From: Richard W.M. Jones [mailto:rjones at redhat.com]
> > > Sent: Monday, March 23, 2015 9:29 PM
> > > To: Chen, Hanxiao/陈 晗霄
> > > Cc: libguestfs at redhat.com
> > > Subject: Re: [Libguestfs] [PATCH] New API: part_get_part_type for showing
> partition
> > > type
> > >
> > > On Tue, Mar 17, 2015 at 02:45:46AM -0400, Chen Hanxiao wrote:
> > > > This patch will add support for getting partition type
> > > > of a partiton numbered device.
> > > >
> > > > Signed-off-by: Chen Hanxiao <chenhanxiao at cn.fujitsu.com>
> > > > ---
> > > >  daemon/parted.c      | 112
> > > +++++++++++++++++++++++++++++++++++++++++++++++++++
> > > >  generator/actions.ml |  18 +++++++++
> > > >  src/MAX_PROC_NR      |   2 +-
> > > >  3 files changed, 131 insertions(+), 1 deletion(-)
> > > >
> > > > diff --git a/daemon/parted.c b/daemon/parted.c
> > > > index a7bcb99..0ae6e5c 100644
> > > > --- a/daemon/parted.c
> > > > +++ b/daemon/parted.c
> > > > @@ -33,6 +33,10 @@ GUESTFSD_EXT_CMD(str_parted, parted);
> > > >  GUESTFSD_EXT_CMD(str_sfdisk, sfdisk);
> > > >  GUESTFSD_EXT_CMD(str_sgdisk, sgdisk);
> > > >
> > > > +#ifndef PARTED_NO_M
> > > > +# define PARTED_NO_M 0
> > > > +#endif
> > >
> > > What does this bit do?
> >
> > I want to use print_partition_table(xxx, 0)
> > but do not want to pass a raw '0'.
> > Maybe the name is not so clear.
> > I'll rename it to PARTED_NOT_USE_M in the next version.
> 
> Improving the readability of a raw integer is a good thing; however,
> I'd suggest switching to an enum instead.
> 

Hi，

How about:
enum {
  PARTED_INVALID = -1,
  /* parted do not support -m option */
  PARTED_OPT_NO_M,
  PARTED_OPT_M};

print_partition_table(xxx, PARTED_OPT_NO_M)

Regards,
- Chen