[PATCH 2/5] filetype: add GPT support

[Sascha Hauer]

On Thu, Feb 14, 2013 at 04:52:24PM +0100, Jean-Christophe PLAGNIOL-VILLARD wrote:
> GPT need to be check before MBR
> 
> Cc: Rob Herring <rob.herring at calxeda.com>
> Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj at jcrosoft.com>
> ---
>  common/filetype.c  |    4 ++++
>  include/filetype.h |    1 +
>  2 files changed, 5 insertions(+)
> 
> diff --git a/common/filetype.c b/common/filetype.c
> index 22fc621..6563ecc 100644
> --- a/common/filetype.c
> +++ b/common/filetype.c
> @@ -48,6 +48,7 @@ static const struct filetype_str filetype_str[] = {
>  	[filetype_bmp] = { "BMP image", "bmp" },
>  	[filetype_png] = { "PNG image", "png" },
>  	[filetype_ext] = { "ext filesystem", "ext" },
> +	[filetype_gpt] = { "GUID Partition Table", "gpt" },
>  };
>  
>  const char *file_type_to_string(enum filetype f)
> @@ -159,6 +160,9 @@ enum filetype file_detect_type(const void *_buf, size_t bufsize)
>  	if (bufsize < 512)
>  		return filetype_unknown;
>  
> +	if (bufsize >= 520 && strncmp(&buf8[512], "EFI PART", 8) == 0)
> +		return filetype_gpt;
> +

The list is sorted by size, so please move this below:

	if (bufsize < 1536)
		return filetype_unknown;

Sascha


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