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ZenUtils:

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* Apply FS#9311 by Jelle Geerts: fix compiling on MingW
  * Make zen::find_firmware_offset() detect the offset better


git-svn-id: svn://svn.rockbox.org/rockbox/trunk@18340 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Maurus Cuelenaere 2008-08-24 21:15:29 +00:00
parent 074e48c08c
commit ced10d4db1
3 changed files with 13 additions and 12 deletions
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18
utils/zenutils/source/shared/updater.cpp
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@ -50,19 +50,18 @@ const char* zen::find_firmware_key(const byte* buffer, size_t len)
dword zen::find_firmware_offset(byte* buffer, size_t len)
{
for (dword i = 0; i < static_cast<dword>(len); i += 0x10)
for (dword i = 0; i < static_cast<dword>(len); i += 4)
{
dword size = *(dword*)&buffer[i];
if (size < (i + len) && size > (len >> 1))
if (buffer[i + sizeof(dword)] != 0
&& buffer[i + sizeof(dword) + 1] != 0
&& buffer[i + sizeof(dword) + 2] != 0
&& buffer[i + sizeof(dword) + 3] != 0)
{
if (buffer[i + sizeof(dword)] != 0
&& buffer[i + sizeof(dword) + 1] != 0
&& buffer[i + sizeof(dword) + 2] != 0
&& buffer[i + sizeof(dword) + 3] != 0)
{
return i;
}
return i;
}
if(i > 0xFF) /* Arbitrary guess */
return 0;
}
return 0;
}
@ -105,7 +104,6 @@ bool zen::crypt_firmware(const char* key, byte* buffer, size_t len)
unsigned int tmp = 0;
int key_length = strlen(key);
strcpy(key_cpy, key);
for(i=0; i < strlen(key); i++)
key_cpy[i] = key[i] - 1;