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Re: [Qemu-devel] [PATCH v2 1/3] qerror: add check-qerror.sh to verify al


From: Luiz Capitulino
Subject: Re: [Qemu-devel] [PATCH v2 1/3] qerror: add check-qerror.sh to verify alphabetical order
Date: Fri, 6 Jan 2012 09:59:03 -0200

On Wed,  4 Jan 2012 22:23:32 +0000
Stefan Hajnoczi <address@hidden> wrote:

> We're supposed to keep qerror definitions and table entries in
> alphabetical order.  In practice this is not checked.
> 
> I haven't found a nice way to integrate this into the makefile yet but
> we can at least have this script which verifies that qerrors are in
> alphabetical order.
> 
> Signed-off-by: Stefan Hajnoczi <address@hidden>

I've applied these two patches plus v1 2/2, is this correct?

> ---
>  qerror.c                |    3 +--
>  qerror.h                |    2 +-
>  scripts/check-qerror.sh |   22 ++++++++++++++++++++++
>  3 files changed, 24 insertions(+), 3 deletions(-)
>  create mode 100755 scripts/check-qerror.sh
> 
> diff --git a/qerror.c b/qerror.c
> index 9a75d06..62c0c707 100644
> --- a/qerror.c
> +++ b/qerror.c
> @@ -40,8 +40,7 @@ static const QType qerror_type = {
>   * "running out of foo: %(foo)%%"
>   *
>   * Please keep the entries in alphabetical order.
> - * Use "sed -n '/^static.*qerror_table\[\]/,/^};/s/QERR_/&/gp' qerror.c | 
> sort -c"
> - * to check.
> + * Use scripts/check-qerror.sh to check.
>   */
>  static const QErrorStringTable qerror_table[] = {
>      {
> diff --git a/qerror.h b/qerror.h
> index efda232..36e0343 100644
> --- a/qerror.h
> +++ b/qerror.h
> @@ -49,7 +49,7 @@ QError *qobject_to_qerror(const QObject *obj);
>  /*
>   * QError class list
>   * Please keep the definitions in alphabetical order.
> - * Use "grep '^#define QERR_' qerror.h | sort -c" to check.
> + * Use scripts/check-qerror.sh to check.
>   */
>  #define QERR_BAD_BUS_FOR_DEVICE \
>      "{ 'class': 'BadBusForDevice', 'data': { 'device': %s, 'bad_bus_type': 
> %s } }"
> diff --git a/scripts/check-qerror.sh b/scripts/check-qerror.sh
> new file mode 100755
> index 0000000..af7fbd5
> --- /dev/null
> +++ b/scripts/check-qerror.sh
> @@ -0,0 +1,22 @@
> +#!/bin/sh
> +# This script verifies that qerror definitions and table entries are
> +# alphabetically ordered.
> +
> +check_order() {
> +  errmsg=$1
> +  shift
> +
> +  # sort -C verifies order but does not print a message.  sort -c does print 
> a
> +  # message.  These options are both in POSIX.
> +  if ! "$@" | sort -C; then
> +    echo "$errmsg"
> +    "$@" | sort -c
> +    exit 1
> +  fi
> +  return 0
> +}
> +
> +check_order 'Definitions in qerror.h must be in alphabetical order:' \
> +            grep '^#define QERR_' qerror.h
> +check_order 'Entries in qerror.c:qerror_table must be in alphabetical 
> order:' \
> +            sed -n '/^static.*qerror_table\[\]/,/^};/s/QERR_/&/gp' qerror.c




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