[dpdk-dev] [PATCH 1/5] cfgfile: configurable comment character
yuanhan.liu at linux.intel.com
Fri Mar 3 01:53:37 CET 2017
On Thu, Mar 02, 2017 at 09:10:15PM +0000, Bruce Richardson wrote:
> On Thu, Mar 02, 2017 at 02:29:27PM -0500, Allain Legacy wrote:
> > The current cfgfile comment character is hardcoded to ';'. This commit
> > introduces a configuration attribute to allow an application to select a
> > different character. This is to ease adoption by applications that have an
> > existing configuration file which may use a different comment character.
> > For instance, an application may already have a configuration file that
> > uses the '#' as the comment character.
> > Signed-off-by: Allain Legacy <allain.legacy at windriver.com>
> > ---
> > config/common_base | 1 +
> > lib/librte_cfgfile/rte_cfgfile.c | 2 +-
> > 2 files changed, 2 insertions(+), 1 deletion(-)
> > diff --git a/config/common_base b/config/common_base
> > index aeee13e..32a42d7 100644
> > --- a/config/common_base
> > +++ b/config/common_base
> > @@ -477,6 +477,7 @@ CONFIG_RTE_LIBRTE_TIMER_DEBUG=n
> > # Compile librte_cfgfile
> > #
> > CONFIG_RTE_LIBRTE_CFGFILE=y
> > +CONFIG_RTE_LIBRTE_CFGFILE_COMMENT_CHAR=';'
> We are trying to avoid adding in extra build-time options to DPDK, so
> can you please rework this patch to make it a run-time option instead.
+1 for making it a run-time option.
> Perhaps just add a set_comment_char() API call to the library. If this
> is a setting per cfgfile instance it would then allow applications to
> simultaneously use files with different formats. For example, if in
> future we use cfgfile library to configure DPDK EAL, a preexisting file
> for that shipped with DPDK may conflict in format with an
> application-specific one.
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