[PATCH] xfsdump: fix system() error reporting

[Timothy Shimmin]

Hi Christoph,

Looks reasonable.
Though, in the case of returning -1, it might be more interesting
to know the value of errno ? (I presume errno would be set in that case).

--Tim

On Mon, Feb 16, 2009 at 9:28 PM, Christoph Hellwig <hch at infradead.org> wrote:
> Positive returns from system need the WEXITSTATUS macro applies to get
> the real exit code of the executed command.
>
> Based on analysis in oss BZ #804.
>
>
> Signed-off-by: Christoph Hellwig <hch at lst.de>
>
> Index: xfsdump-dev/dump/content.c
> ===================================================================
> --- xfsdump-dev.orig/dump/content.c     2009-02-16 11:23:10.361944048 +0100
> +++ xfsdump-dev/dump/content.c  2009-02-16 11:23:47.629070808 +0100
> @@ -6735,7 +6735,8 @@ save_quotas( char *mntpnt, quota_info_t
>         sts = system( buf );
>         if( sts != 0 ) {
>             mlog( MLOG_ERROR, _(
> -                  "%s failed with exit status: %d\n"), REPQUOTA, sts);
> +                  "%s failed with exit status: %d\n"), REPQUOTA,
> +                 sts == -1 ? -1 : WEXITSTATUS(sts));
>             return BOOL_FALSE;
>         }
>         if((fd = open( quotainfo->quotapath, O_RDONLY|O_DSYNC)) < 0) {
>
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