static void remove_from_buffer()

in src/tpm_socket_comm.c [95:115]

• 21 lines of code
• 3 McCabe index (conditional complexity)

static void remove_from_buffer(TPM_SOCKET_INFO* socket_info, size_t length)
{
    if (socket_info->recv_length == length)
    {
        free(socket_info->recv_bytes);
        socket_info->recv_bytes = NULL;
        socket_info->recv_length = 0;
    }
    else
    {
        size_t malloc_size = safe_subtract_size_t(socket_info->recv_length, length);
        if (malloc_size != SIZE_MAX)
        {
            unsigned char* new_buff = (unsigned char*)malloc(malloc_size);
            memcpy(new_buff, &socket_info->recv_bytes[length], malloc_size);
            free(socket_info->recv_bytes);
            socket_info->recv_bytes = new_buff;
            socket_info->recv_length = malloc_size;
        }
    }
}