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/********************************************************/
/* ntapi: Native API core library */
/* Copyright (C) 2013,2014,2015 Z. Gilboa */
/* Released under GPLv2 and GPLv3; see COPYING.NTAPI. */
/********************************************************/
#include <psxtypes/psxtypes.h>
#include <ntapi/nt_port.h>
#include <ntapi/nt_vmount.h>
#include <ntapi/ntapi.h>
#include "ntapi_impl.h"
nt_vms_node * __stdcall __ntapi_vms_get_end_component_first_node(
__in nt_vms_system * pvms_sys,
__in uint32_t end_component_hash)
{
nt_vms_node * node;
/* verify non-empty list and valid input */
if (!pvms_sys->dev_name_head_node || !end_component_hash)
return (nt_vms_node *)0;
/* find first node by end component hash */
node = (nt_vms_node *)((uintptr_t)pvms_sys + pvms_sys->end_component_head_node);
while (node->next && (node->end_component_hash < end_component_hash))
node = (nt_vms_node *)((uintptr_t)pvms_sys + node->next);
if (node->end_component_hash == end_component_hash)
return node;
else
return (nt_vms_node *)0;
}
static nt_vms_node * __stdcall __ntapi_vms_get_node(
__in nt_vms_system * pvms_sys,
__in uint32_t end_component_hash,
__in uint32_t dev_name_hash,
__in nt_large_integer index_number)
{
nt_vms_node * node;
/* verify non-empty list */
if (!pvms_sys->dev_name_head_node)
return (nt_vms_node *)0;
/* end_component_hash */
if (end_component_hash) {
node = (nt_vms_node *)((uintptr_t)pvms_sys + pvms_sys->end_component_head_node);
while (node->next && (node->end_component_hash < end_component_hash))
node = (nt_vms_node *)((uintptr_t)pvms_sys + node->next);
if (node->end_component_hash != end_component_hash)
return (nt_vms_node *)0;
} else
node = (nt_vms_node *)((uintptr_t)pvms_sys + pvms_sys->dev_name_head_node);
/* find device nodes */
while (node->next && (node->dev_name_hash < dev_name_hash))
node = (nt_vms_node *)((uintptr_t)pvms_sys + node->next);
if (node->dev_name_hash != dev_name_hash)
return (nt_vms_node *)0;
/* find mount-point nodes */
while (node->next && (node->index_number.quad < index_number.quad))
node = (nt_vms_node *)((uintptr_t)pvms_sys + node->next);
if (node->index_number.quad != index_number.quad)
return (nt_vms_node *)0;
return node;
}
nt_vms_node * __stdcall __ntapi_vms_get_node_by_dev_name(
__in nt_vms_system * pvms_sys,
__in uint32_t dev_name_hash,
__in nt_large_integer index_number)
{
return __ntapi_vms_get_node(
pvms_sys,
0,
dev_name_hash,
index_number);
}
nt_vms_node * __stdcall __ntapi_vms_get_node_by_end_component(
__in nt_vms_system * pvms_sys,
__in uint32_t end_component_hash,
__in uint32_t dev_name_hash,
__in nt_large_integer index_number)
{
return __ntapi_vms_get_node(
pvms_sys,
end_component_hash,
dev_name_hash,
index_number);
}
nt_vms_point * __stdcall __ntapi_vms_get_top_of_stack_mount_point(
__in nt_vms_system * pvms_sys,
__in nt_vms_node * node)
{
nt_vms_point * point;
point = (nt_vms_point *)((uintptr_t)pvms_sys + node->stack);
while (point->next)
point = (nt_vms_point *)((uintptr_t)pvms_sys + point->next);
return point;
}
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