boost::uint32_t length = msg.GetLength();

013B2161  mov         ecx,dword ptr [esp+34h]
013B2165  mov         eax,dword ptr [esp+30h]
013B2169  sub         ecx,eax
013B216B  mov         esi,dword ptr [__imp___invalid_parameter_noinfo (13C2250h)]
013B2171  jne         main+359h (13B2179h)
013B2173  call        esi
013B2175  mov         eax,dword ptr [esp+30h]
013B2179  movzx       edx,byte ptr [eax]
013B217C  movzx       ecx,byte ptr [eax+1]
013B2180  shl         edx,8
013B2183  add         edx,ecx
013B2185  movzx       ecx,byte ptr [eax+2]
013B2189  movzx       eax,byte ptr [eax+3]
013B218D  shl         edx,8
013B2190  add         edx,ecx
013B2192  shl         edx,8
013B2195  add         edx,eax