[Cluster-devel] [PATCH 1/3] mkfs: Use rpmatch() to yes/no questions

[Steven Whitehouse]

Hi,

On Tue, 2011-09-27 at 13:08 -0300, Carlos Maiolino wrote:
> This patch changes the are_you_sure() function
> to make use of rpmatch() to identify the user's
> answer in the language set in the i18n
> Also add 2 another translatable strings
> 
> Signed-off-by: Carlos Maiolino <cmaiolino at redhat.com>
> ---
>  gfs2/mkfs/main_mkfs.c |   34 ++++++++++++++++++++++++----------
>  1 files changed, 24 insertions(+), 10 deletions(-)
> 
> diff --git a/gfs2/mkfs/main_mkfs.c b/gfs2/mkfs/main_mkfs.c
> index 4751f19..cc678fe 100644
> --- a/gfs2/mkfs/main_mkfs.c
> +++ b/gfs2/mkfs/main_mkfs.c
> @@ -78,7 +78,7 @@ static int discard_blocks(struct gfs2_sbd *sdp)
>  	range[0] = 0;
>  	range[1] = sdp->device.length * sdp->bsize;
>  	if (sdp->debug)
> -		printf("Issuing discard ioctl: range: %llu - %llu...",
> +		printf(_("Issuing discard ioctl: range: %llu - %llu..."),
>  		       (unsigned long long)range[0],
>  		       (unsigned long long)range[1]);
>  	if (ioctl(sdp->device_fd, BLKDISCARD, &range) < 0) {
> @@ -87,7 +87,7 @@ static int discard_blocks(struct gfs2_sbd *sdp)
>  		return errno;
>  	}
>  	if (sdp->debug)
> -		printf("Successful.\n");
> +		printf(_("Successful.\n"));
Maybe just say "Success" here? Can this be made to match other similar
strings?

>          return 0;
>  }
>  
> @@ -456,8 +456,11 @@ fail:
>  
>  static void are_you_sure(struct gfs2_sbd *sdp)
>  {
> -	char input[32];
> +	char *line = NULL;
> +	size_t len = 0;
>  	int fd;
> +	int ret = -1;
> +	int res = 0;
>  
>  	fd = open(sdp->device_name, O_RDONLY|O_CLOEXEC);
>  	if (fd < 0)
> @@ -465,14 +468,25 @@ static void are_you_sure(struct gfs2_sbd *sdp)
>  	printf( _("This will destroy any data on %s.\n"), sdp->device_name);
>  	check_dev_content(sdp->device_name);
>  	close(fd);
> -	printf( _("\nAre you sure you want to proceed? [y/n] "));
> -	if(!fgets(input, 32, stdin))
> -		die( _("unable to read from stdin\n"));
> +	
> +	do{
> +		printf( _("Are you sure you want to proceed? [y/n]"));
> +		ret = getline(&line, &len, stdin);
> +		res = rpmatch(line);
> +		
> +		if (res > 0){
> +			free(line);
> +			return;
> +		}
> +		if (!res){
> +			printf("\n");
> +			die( _("aborted\n"));
Please don't add more die() calls. Could we replace this with another
message? Don't be afraid to do:

   errno = ESOMETHING;
   perror();

or to use strerror() when required,

Steve.