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#
# Author:: John Keiser (<jkeiser@chef.io>)
# Copyright:: Copyright (c) Chef Software Inc.
# License:: Apache License, Version 2.0
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
require_relative "../api"
class Chef
module ReservedNames::Win32
module API
module Memory
extend Chef::ReservedNames::Win32::API
###############################################
# Win32 API Constants
###############################################
LMEM_FIXED = 0x0000
LMEM_MOVEABLE = 0x0002
LMEM_NOCOMPACT = 0x0010
LMEM_NODISCARD = 0x0020
LMEM_ZEROINIT = 0x0040
LMEM_MODIFY = 0x0080
LMEM_DISCARDABLE = 0x0F00
LMEM_VALID_FLAGS = 0x0F72
LMEM_INVALID_HANDLE = 0x8000
LHND = LMEM_MOVEABLE | LMEM_ZEROINIT
LPTR = LMEM_FIXED | LMEM_ZEROINIT
NONZEROLHND = LMEM_MOVEABLE
NONZEROLPTR = LMEM_FIXED
LMEM_DISCARDED = 0x4000
LMEM_LOCKCOUNT = 0x00FF
###############################################
# Win32 API Bindings
###############################################
ffi_lib "kernel32"
=begin
HLOCAL WINAPI LocalAlloc(
__in UINT uFlags,
__in SIZE_T uBytes
);
=end
safe_attach_function :LocalAlloc, %i{UINT SIZE_T}, :pointer
=begin
UINT WINAPI LocalFlags(
__in HLOCAL hMem
);
=end
safe_attach_function :LocalFlags, [ :pointer ], :UINT
=begin
HLOCAL WINAPI LocalFree(
__in HLOCAL hMem
);
=end
safe_attach_function :LocalFree, [ :pointer ], :pointer
=begin
HLOCAL WINAPI LocalReAlloc(
__in HLOCAL hMem,
__in SIZE_T uBytes,
__in UINT uFlags
);
=end
safe_attach_function :LocalReAlloc, %i{pointer SIZE_T UINT}, :pointer
=begin
UINT WINAPI LocalSize(
__in HLOCAL hMem
);
=end
safe_attach_function :LocalSize, [ :pointer ], :SIZE_T
###############################################
# FFI API Bindings
###############################################
ffi_lib FFI::Library::LIBC
safe_attach_function :malloc, [:size_t], :pointer
safe_attach_function :calloc, [:size_t], :pointer
safe_attach_function :realloc, %i{pointer size_t}, :pointer
safe_attach_function :free, [:pointer], :void
safe_attach_function :memcpy, %i{pointer pointer size_t}, :pointer
end
end
end
end
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