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Add a sanity-check to ensure only in-range subimages are referenced in %xd tags. Plus some tab policing.

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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@16774 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Dave Chapman 2008-03-24 00:03:05 +00:00
parent 1644404fdd
commit 99c0978faa
1 changed files with 5 additions and 1 deletions
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4
apps/gui/wps_parser.c
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@ -443,6 +443,10 @@ static int parse_image_display(const char *wps_bufptr,
if ((subimage = get_image_id(wps_bufptr[1])) != -1)
{
/* Sanity check */
if (subimage >= wps_data->img[n].num_subimages)
return WPS_ERROR_INVALID_PARAM;
/* Store sub-image number to display in high bits */
token->value.i = n | (subimage << 8);
return 2; /* We have consumed 2 bytes */