Re: [PATCH] storage: Fix printing/casting of uid_t/gid_t

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On 12/05/2014 04:16 AM, Peter Krempa wrote:
> Other parts of libvirt use "%u" for formatting uid/gid and typecast to
> unsigned int. Storage driver used the signed variant.
> ---
>  src/storage/storage_driver.c | 21 ++++++++++++---------
>  1 file changed, 12 insertions(+), 9 deletions(-)
> 
> diff --git a/src/storage/storage_driver.c b/src/storage/storage_driver.c
> index 7f4de19..24b54f4 100644
> --- a/src/storage/storage_driver.c
> +++ b/src/storage/storage_driver.c
> @@ -2797,7 +2797,8 @@ virStorageFileChown(virStorageSourcePtr src,
>          return -2;
>      }
> 
> -    VIR_DEBUG("chown of storage file %p to %d:%d", src, uid, gid);
> +    VIR_DEBUG("chown of storage file %p to %u:%u",
> +              src, (unsigned int)uid, (unsigned int)gid);
> 
>      return src->drv->backend->storageFileChown(src, uid, gid);
>  }
> @@ -2819,9 +2820,9 @@ virStorageFileGetMetadataRecurse(virStorageSourcePtr src,
>      virStorageSourcePtr backingStore = NULL;
>      int backingFormat;
> 
> -    VIR_DEBUG("path=%s format=%d uid=%d gid=%d probe=%d",
> +    VIR_DEBUG("path=%s format=%d uid=%d gid=%u probe=%u",

Need %u for uid and %d for probe (that's a boolean)

ACK w/ that

John

>                src->path, src->format,
> -              (int)uid, (int)gid, allow_probe);
> +              (unsigned int)uid, (unsigned int)gid, allow_probe);
> 
>      /* exit if we can't load information about the current image */
>      if (!virStorageFileSupportsBackingChainTraversal(src))
> @@ -2834,13 +2835,15 @@ virStorageFileGetMetadataRecurse(virStorageSourcePtr src,
>          if (src == parent) {
>              virReportSystemError(errno,
>                                   _("Cannot access storage file '%s' "
> -                                   "(as uid:%d, gid:%d)"),
> -                                 src->path, (int)uid, (int)gid);
> +                                   "(as uid:%u, gid:%u)"),
> +                                 src->path, (unsigned int)uid,
> +                                 (unsigned int)gid);
>          } else {
>              virReportSystemError(errno,
>                                   _("Cannot access backing file '%s' "
> -                                   "of storage file '%s' (as uid:%d, gid:%d)"),
> -                                 src->path, parent->path, (int)uid, (int)gid);
> +                                   "of storage file '%s' (as uid:%u, gid:%u)"),
> +                                 src->path, parent->path,
> +                                 (unsigned int)uid, (unsigned int)gid);
>          }
> 
>          goto cleanup;
> @@ -2934,8 +2937,8 @@ virStorageFileGetMetadata(virStorageSourcePtr src,
>                            bool allow_probe,
>                            bool report_broken)
>  {
> -    VIR_DEBUG("path=%s format=%d uid=%d gid=%d probe=%d, report_broken=%d",
> -              src->path, src->format, (int)uid, (int)gid,
> +    VIR_DEBUG("path=%s format=%d uid=%u gid=%u probe=%d, report_broken=%d",
> +              src->path, src->format, (unsigned int)uid, (unsigned int)gid,
>                allow_probe, report_broken);
> 
>      virHashTablePtr cycle = NULL;
> 

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