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check for SDK with binary II header.

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git-svn-id: https://profuse.googlecode.com/svn/branches/profuse_interim@379 aa027e90-d47c-11dd-86d7-074df07e0730
This commit is contained in:
ksherlock 2011-03-09 04:10:33 +00:00
parent 1a0bdd875c
commit 699c44cf15
1 changed files with 18 additions and 5 deletions
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23
Device/SDKImage.cpp
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@ -208,16 +208,29 @@ BlockDevicePointer SDKImage::Open(const char *name)
bool SDKImage::Validate(MappedFile * f, const std::nothrow_t &)
{
// NuFile, alternating ASCII.
static const char IdentityCheck[6] = { 0x4E, 0xF5, 0x46, 0xE9, 0x6C, 0xE5 };
static const char BXYIdentityCheck[3] = { 0x0A, 0x47, 0x4C };
if (f->length() < sizeof(IdentityCheck))
return false;
uint8_t *address = (uint8_t *)f->address();
size_t length = f->length();
if (std::memcmp(f->address(), IdentityCheck, sizeof(IdentityCheck)))
return false;
// check for a BXY header
if (length >= 128
&& std::memcmp(address, BXYIdentityCheck, sizeof(BXYIdentityCheck)) == 0)
{
length -= 128;
address += 128;
}
return true;
if (length > sizeof(IdentityCheck)
&& std::memcmp(address, IdentityCheck, sizeof(IdentityCheck)) == 0)
return true;
return false;
}