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reactos/sdk/include/psdk/specstrings.h

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/*
* PROJECT: ReactOS PSDK
* LICENSE: MIT (https://spdx.org/licenses/MIT)
* PURPOSE: Support for markers for documenting the semantics of APIs
* COPYRIGHT: Microsoft Corporation.
* SOURCE: https://github.com/microsoft/ChakraCore/blob/master/pal/inc/rt/specstrings.h
*/
//
// Copyright (c) Microsoft. All rights reserved.
// Licensed under the MIT license. See LICENSE file in the project root for full license information.
//
//
#ifndef SPECSTRINGS_H
#define SPECSTRINGS_H
/***
*specstrings.h - support for markers for documenting the semantics of APIs
*
*
* [Public]
****/
/*************************************************************************
* See specstrings_strict.h for documentation of all user visible macros.
*************************************************************************/
#if _MSC_VER
#pragma once
#endif
#if !defined(_SAL_VERSION_SAL2)
#if defined(__BUILDMACHINE__) || defined(_USE_SAL2_ONLY)
#define _SAL_VERSION_SAL2(_A) SAL_2_Clean_Violation_using ## _A
#else
#define _SAL_VERSION_SAL2(_A)
#endif
#ifdef _USE_SAL2_ONLY
#define _SAL2_STRICT
#define _SAL_VERSION_CHECK(_A) _SAL_VERSION_SAL2(_A)
#else
#define _SAL_VERSION_CHECK(_A)
#endif
#ifndef SAL_VERSION_CHECK
#define SAL_VERSION_CHECK(_A) _SAL_VERSION_CHECK(_A)
#define SAL_VERSION_SAL2(_A) _SAL_VERSION_SAL2(_A)
#endif
#endif
#include <sal.h>
#ifndef __SAL_H_FULL_VER
#define __SAL_H_FULL_VER 140050727
#endif
#ifdef __cplusplus
extern "C" {
#endif
/* version specific fixes to bring sal.h upto date */
#if __SAL_H_FULL_VER <= 140050727
#if !defined(__midl) && defined(_PREFAST_) && _MSC_VER >= 1000 // [
/* Missing from RTM sal.h */
#define __inner_bound _SA_annotes0(SAL_bound)
#define __inner_range(lb,ub) _SA_annotes2(SAL_range,lb,ub)
#define __inner_assume_bound_dec __inline __nothrow void __AssumeBoundInt(_Post_ __inner_bound int i) {i;}
#define __inner_assume_bound(i) __AssumeBoundInt(i);
#define __inner_allocator _SA_annotes0(SAL_allocator)
#define __static_context(ctx, annotes) \
_SA_annotes1(SAL_context,ctx) _Group_(__nop_impl(annotes))
#define __failure(x) __static_context(SAL_return_convention, \
_SA_annotes1(SAL_failure,x))
__ANNOTATION(SAL_valueUndefined());
#define __valueUndefined _SA_annotes0(SAL_valueUndefined)
enum __SAL_failureKind{__failureUnspecified = 0, __failureUndefined = 1};
__ANNOTATION(SAL_failureDefault(enum __SAL_failureKind));
#define __failureDefault(kind) __static_context(SAL_return_convention, \
_SA_annotes1(SAL_failureDefault,kind))
#else // ][
#define __inner_bound
#define __inner_range(lb,ub)
#define __inner_assume_bound_dec
#define __inner_assume_bound(i)
#define __inner_allocator
#define __static_context(ctx, annotes)
#define __failure(x)
#define __valueUndefined
#define __failureDefault(x)
#endif // ]
#define __xcount(size) __notnull __inexpressible_writableTo(size)
#define __in_xcount(size) __in _Pre_ __inexpressible_readableTo(size)
#define __out_xcount(size) __xcount(size) _Post_ __valid __refparam
#define __out_xcount_part(size,length) __out_xcount(size) _Post_ __inexpressible_readableTo(length)
#define __out_xcount_full(size) __out_xcount_part(size,size)
#define __inout_xcount(size) __out_xcount(size) _Pre_ __valid
#define __inout_xcount_part(size,length) __out_xcount_part(size,length) _Pre_ __valid _Pre_ __inexpressible_readableTo(length)
#define __inout_xcount_full(size) __inout_xcount_part(size,size)
#define __xcount_opt(size) __xcount(size) __exceptthat __maybenull
#define __in_xcount_opt(size) __in_xcount(size) __exceptthat __maybenull
#define __out_xcount_opt(size) __out_xcount(size) __exceptthat __maybenull
#define __out_xcount_part_opt(size,length) __out_xcount_part(size,length) __exceptthat __maybenull
#define __out_xcount_full_opt(size) __out_xcount_full(size) __exceptthat __maybenull
#define __inout_xcount_opt(size) __inout_xcount(size) __exceptthat __maybenull
#define __inout_xcount_part_opt(size,length) __inout_xcount_part(size,length) __exceptthat __maybenull
#define __inout_xcount_full_opt(size) __inout_xcount_full(size) __exceptthat __maybenull
#define __deref_xcount(size) __ecount(1) _Post_ __elem_readableTo(1) _Post_ __deref __notnull _Post_ __deref __inexpressible_writableTo(size)
#define __deref_in __in _Pre_ __deref __deref __readonly
#define __deref_in_ecount(size) __deref_in _Pre_ __deref __elem_readableTo(size)
#define __deref_in_bcount(size) __deref_in _Pre_ __deref __byte_readableTo(size)
#define __deref_in_xcount(size) __deref_in _Pre_ __deref __inexpressible_readableTo(size)
#define __deref_out_xcount(size) __deref_xcount(size) _Post_ __deref __valid __refparam
#define __deref_out_xcount_part(size,length) __deref_out_xcount(size) _Post_ __deref __inexpressible_readableTo(length)
#define __deref_out_xcount_full(size) __deref_out_xcount_part(size,size)
#define __deref_out_xcount(size) __deref_xcount(size) _Post_ __deref __valid __refparam
#define __inout_xcount_opt(size) __inout_xcount(size) __exceptthat __maybenull
#define __inout_xcount_part_opt(size,length) __inout_xcount_part(size,length) __exceptthat __maybenull
#define __inout_xcount_full_opt(size) __inout_xcount_full(size) __exceptthat __maybenull
#define __deref_xcount(size) __ecount(1) _Post_ __elem_readableTo(1) _Post_ __deref __notnull _Post_ __deref __inexpressible_writableTo(size)
#define __deref_in __in _Pre_ __deref __deref __readonly
#define __deref_in_ecount(size) __deref_in _Pre_ __deref __elem_readableTo(size)
#define __deref_in_bcount(size) __deref_in _Pre_ __deref __byte_readableTo(size)
#define __deref_in_xcount(size) __deref_in _Pre_ __deref __inexpressible_readableTo(size)
#define __deref_out_xcount(size) __deref_xcount(size) _Post_ __deref __valid __refparam
#define __deref_out_xcount_part(size,length) __deref_out_xcount(size) _Post_ __deref __inexpressible_readableTo(length)
#define __deref_out_xcount_full(size) __deref_out_xcount_part(size,size)
#define __deref_out_xcount(size) __deref_xcount(size) _Post_ __deref __valid __refparam
#define __deref_inout_xcount(size) __deref_inout _Pre_ __deref __inexpressible_writableTo(size) _Post_ __deref __inexpressible_writableTo(size)
#define __deref_inout_xcount_part(size,length) __deref_inout_xcount(size) _Pre_ __deref __inexpressible_readableTo(length) _Post_ __deref __inexpressible_readableTo(length)
#define __deref_inout_xcount_full(size) __deref_inout_xcount_part(size,size)
#define __deref_xcount_opt(size) __deref_xcount(size) _Post_ __deref __exceptthat __maybenull
#define __deref_in_opt __deref_in _Pre_ __deref __exceptthat __maybenull
#define __deref_in_opt_out __deref_inout _Pre_ __deref __exceptthat __maybenull _Post_ __deref __notnull
#define __deref_in_ecount_opt(size) __deref_in_ecount(size) _Pre_ __deref __exceptthat __maybenull
#define __deref_in_bcount_opt(size) __deref_in_bcount(size) _Pre_ __deref __exceptthat __maybenull
#define __deref_in_xcount_opt(size) __deref_in_xcount(size) _Pre_ __deref __exceptthat __maybenull
#define __deref_out_xcount_opt(size) __deref_out_xcount(size) _Post_ __deref __exceptthat __maybenull
#define __deref_out_xcount_part_opt(size,length) __deref_out_xcount_part(size,length) _Post_ __deref __exceptthat __maybenull
#define __deref_out_xcount_full_opt(size) __deref_out_xcount_full(size) _Post_ __deref __exceptthat __maybenull
#define __deref_inout_xcount_opt(size) __deref_inout_xcount(size) _Pre_ __deref __exceptthat __maybenull _Post_ __deref __exceptthat __maybenull
#define __deref_inout_xcount_part_opt(size,length) __deref_inout_xcount_part(size,length) _Pre_ __deref __exceptthat __maybenull _Post_ __deref __exceptthat __maybenull
#define __deref_inout_xcount_full_opt(size) __deref_inout_xcount_full(size) _Pre_ __deref __exceptthat __maybenull _Post_ __deref __exceptthat __maybenull
#define __deref_opt_xcount(size) __deref_xcount(size) __exceptthat __maybenull
#define __deref_opt_in __deref_in __exceptthat __maybenull
#define __deref_opt_in_ecount(size) __deref_in_ecount(size) __exceptthat __maybenull
#define __deref_opt_in_bcount(size) __deref_in_bcount(size) __exceptthat __maybenull
#define __deref_opt_in_xcount(size) __deref_in_xcount(size) __exceptthat __maybenull
#define __deref_opt_out_xcount(size) __deref_out_xcount(size) __exceptthat __maybenull
#define __deref_opt_out_xcount_part(size,length) __deref_out_xcount_part(size,length) __exceptthat __maybenull
#define __deref_opt_out_xcount_full(size) __deref_out_xcount_full(size) __exceptthat __maybenull
#define __deref_opt_inout_xcount(size) __deref_inout_xcount(size) __exceptthat __maybenull
#define __deref_opt_inout_xcount_part(size,length) __deref_inout_xcount_part(size,length) __exceptthat __maybenull
#define __deref_opt_inout_xcount_full(size) __deref_inout_xcount_full(size) __exceptthat __maybenull
#define __deref_opt_xcount_opt(size) __deref_xcount_opt(size) __exceptthat __maybenull
#define __deref_opt_in_opt __deref_in_opt __exceptthat __maybenull
#define __deref_opt_in_ecount_opt(size) __deref_in_ecount_opt(size) __exceptthat __maybenull
#define __deref_opt_in_bcount_opt(size) __deref_in_bcount_opt(size) __exceptthat __maybenull
#define __deref_opt_in_xcount_opt(size) __deref_in_xcount_opt(size) __exceptthat __maybenull
#define __deref_opt_out_xcount_opt(size) __deref_out_xcount_opt(size) __exceptthat __maybenull
#define __deref_opt_out_xcount_part_opt(size,length) __deref_out_xcount_part_opt(size,length) __exceptthat __maybenull
#define __deref_opt_out_xcount_full_opt(size) __deref_out_xcount_full_opt(size) __exceptthat __maybenull
#define __deref_opt_inout_xcount_opt(size) __deref_inout_xcount_opt(size) __exceptthat __maybenull
#define __deref_opt_inout_xcount_part_opt(size,length) __deref_inout_xcount_part_opt(size,length) __exceptthat __maybenull
#define __deref_opt_inout_xcount_full_opt(size) __deref_inout_xcount_full_opt(size) __exceptthat __maybenull
#define __deref_in_ecount_iterator(size, incr) __inout _Pre_ __deref __elem_readableTo(size) __deref_out_range(==, _Old_(*_Curr_) + incr)
#define __deref_out_ecount_iterator(size, incr) __inout _Pre_ __deref __elem_writableTo(size) __deref_out_range(==, _Old_(*_Curr_) + incr)
#define __deref_inout_ecount_iterator(size, incr) __inout _Pre_ __deref __elem_readableTo(size) _Pre_ __deref __elem_writableTo(size) __deref_out_range(==, _Old_(*_Curr_) + incr)
#define __post_bcount(size) _Post_ __byte_writableTo(size)
#define __post_ecount(size) _Post_ __elem_writableTo(size)
#define __deref_realloc_bcount(insize, outsize) __inout _Pre_ __deref __byte_readableTo(insize) _Post_ __deref __byte_writableTo(outsize)
/* __in_ecount_or_z(c) specifies semantics like strncmp, where a string
* parameter is either null terminated, or valid up to c elements.
*/
#define __in_ecount_or_z(c) _When_(_String_length_(_Curr_) < (c), __in_z) \
_When_(_String_length_(_Curr_) >= (c), __in_ecount(c))
/* Provide default definition to be overridden when needed */
#define __post_nullnullterminated
/* Must protect redfinitions of macros to workaround rc.exe issues. */
#ifndef RC_INVOKED
#undef __nullnullterminated
#define __nullnullterminated __inexpressible_readableTo("string terminated by two nulls") __nullterminated
#undef __post_nullnullterminated
#define __post_nullnullterminated _Post_ __inexpressible_readableTo("string terminated by two nulls") _Post_ __nullterminated
#endif
#endif //__SAL_H_FULL_VER <= 140050727
/************************************************************************
New extensions to sal.h follow here.
*************************************************************************/
#if (_MSC_VER >= 1000) && !defined(__midl) && defined(_PREFAST_)
#define __file_parser(typ) _SA_annotes2(SAL_file_parser,"function",typ)
#define __file_parser_class(typ) _SA_annotes2(SAL_file_parser,"class",typ)
#define __file_parser_library(typ) extern int _SA_annotes2(SAL_file_parser, "library", typ) __iSALFileParserLibrary##typ;
#define __source_code_content(typ) extern int _SA_annotes1(SAL_source_code_content, typ) __iSAL_Source_Code_Content##typ;
#define __class_code_content(typ) _SA_annotes1(SAL_class_code_content, typ)
#define __analysis_assert(e) __assume(e)
#define __analysis_hint(hint) _SA_annotes1(SAL_analysisHint, hint)
// For "breakpoint": doesn't return as far as analysis is concerned.
#define __analysis_noreturn __declspec(noreturn)
/* Internal defintions */
#define __inner_data_source(src_raw) _SA_annotes1(SAL_untrusted_data_source,src_raw)
#define __inner_this_data_source(src_raw) _SA_annotes1(SAL_untrusted_data_source_this,src_raw)
#define __inner_out_validated(typ_raw) _Post_ _SA_annotes1(SAL_validated,typ_raw)
#define __inner_this_out_validated(typ_raw) _SA_annotes1(SAL_validated_this,typ_raw)
#define __inner_assume_validated_dec __inline __nothrow void __AssumeValidated(__inner_out_validated("BY_DESIGN") const void *p) {p;}
#define __inner_assume_validated(p) __AssumeValidated(p)
#define __inner_transfer(formal) _SA_annotes1(SAL_transfer_adt_property_from,formal)
#define __inner_encoded _SA_annotes0(SAL_encoded)
#if defined(_MSC_EXTENSIONS) || defined(_PREFAST_) || defined(OACR)
#define __inner_adt_prop(adt,prop) _SA_annotes2(SAL_adt, adt,prop)
#define __inner_adt_add_prop(adt,prop) _SA_annotes2(SAL_add_adt_property,adt,prop)
#define __inner_adt_remove_prop(adt,prop) _SA_annotes2(SAL_remove_adt_property,adt,prop)
#define __inner_adt_transfer_prop(arg) _SA_annotes1(SAL_transfer_adt_property_from,arg)
#define __inner_adt_type_props(typ) _SA_annotes1(SAL_post_type,typ)
#define __inner_volatile _SA_annotes0(SAL_volatile)
#define __inner_nonvolatile _SA_annotes0(SAL_nonvolatile)
#define __inner_possibly_notnullterminated _SA_annotes1(SAL_nullTerminated,__maybe)
#define __inner_analysis_assume_nullterminated_dec __inline __nothrow void __AnalysisAssumeNullterminated(_Post_ __nullterminated void *p) {*(char*)p=0;}
#define __inner_analysis_assume_nullterminated(x) __AnalysisAssumeNullterminated(x);
#endif
#else
#define __file_parser(typ)
#define __file_parser_class(typ)
#define __file_parser_library(typ)
#define __source_code_content(typ)
#define __class_code_content(typ)
#define __analysis_assert(e)
#define __analysis_hint(hint)
#ifndef __clang__
#define __analysis_noreturn
#else
#define __analysis_noreturn __attribute__((analyzer_noreturn))
#endif
/* Internal defintions */
#define __inner_data_source(src_raw)
#define __inner_this_data_source(src_raw)
#define __inner_out_validated(typ_raw)
#define __inner_this_out_validated(typ_raw)
#define __inner_assume_validated_dec
#define __inner_assume_validated(p)
#define __inner_transfer(formal)
#define __inner_encoded
#define __inner_adt_prop(adt,prop)
#define __inner_adt_add_prop(adt,prop)
#define __inner_adt_remove_prop(adt,prop)
#define __inner_adt_transfer_prop(arg)
#define __inner_adt_type_props(typ)
#define __inner_volatile
#define __inner_nonvolatile
#define __inner_possibly_notnullterminated
#define __inner_analysis_assume_nullterminated_dec
#define __inner_analysis_assume_nullterminated(x)
#endif // #if (_MSC_VER >= 1000) && !defined(__midl) && defined(_PREFAST_)
#define __field_ecount(size) __notnull __elem_writableTo(size)
#define __field_bcount(size) __notnull __byte_writableTo(size)
#define __field_xcount(size) __notnull __inexpressible_writableTo(size)
#define __field_ecount_opt(size) __maybenull __elem_writableTo(size)
#define __field_bcount_opt(size) __maybenull __byte_writableTo(size)
#define __field_xcount_opt(size) __maybenull __inexpressible_writableTo(size)
#define __field_ecount_part(size,init) __notnull __elem_writableTo(size) __elem_readableTo(init)
#define __field_bcount_part(size,init) __notnull __byte_writableTo(size) __byte_readableTo(init)
#define __field_xcount_part(size,init) __notnull __inexpressible_writableTo(size) __inexpressible_readableTo(init)
#define __field_ecount_part_opt(size,init) __maybenull __elem_writableTo(size) __elem_readableTo(init)
#define __field_bcount_part_opt(size,init) __maybenull __byte_writableTo(size) __byte_readableTo(init)
#define __field_xcount_part_opt(size,init) __maybenull __inexpressible_writableTo(size) __inexpressible_readableTo(init)
#define __field_ecount_full(size) __field_ecount_part(size,size)
#define __field_bcount_full(size) __field_bcount_part(size,size)
#define __field_xcount_full(size) __field_xcount_part(size,size)
#define __field_ecount_full_opt(size) __field_ecount_part_opt(size,size)
#define __field_bcount_full_opt(size) __field_bcount_part_opt(size,size)
#define __field_xcount_full_opt(size) __field_xcount_part_opt(size,size)
#define __field_nullterminated __nullterminated
#define __struct_bcount(size) __byte_writableTo(size)
#define __struct_xcount(size) __inexpressible_writableTo(size)
#define __out_awcount(expr,size) _Pre_ __notnull \
__byte_writableTo((expr) ? (size) : (size) * 2) \
_Post_ __valid __refparam
#define __in_awcount(expr,size) _Pre_ __valid \
_Pre_ _Notref_ __deref __readonly \
__byte_readableTo((expr) ? (size) : (size) * 2)
#define __post_invalid _Post_ __notvalid
/* integer related macros */
#define __allocator __inner_allocator
#ifndef PAL_STDCPP_COMPAT
#define __deallocate(kind) _Pre_ __notnull __post_invalid
#define __deallocate_opt(kind) _Pre_ __maybenull __post_invalid
#endif
#define __bound __inner_bound
#define __range(lb,ub) __inner_range(lb,ub)
#define __in_bound _Pre_ __inner_bound
#define __out_bound _Post_ __inner_bound
#define __deref_out_bound _Post_ __deref __inner_bound
#define __in_range(lb,ub) _Pre_ __inner_range(lb,ub)
#define __out_range(lb,ub) _Post_ __inner_range(lb,ub)
#define __deref_in_range(lb,ub) _Pre_ __deref __inner_range(lb,ub)
#define __deref_out_range(lb,ub) _Post_ __deref __inner_range(lb,ub)
#define __deref_inout_range(lb,ub) __deref_in_range(lb,ub) __deref_out_range(lb,ub)
#define __field_range(lb,ub) __range(lb,ub)
#define __field_data_source(src_sym) __inner_data_source(#src_sym)
#define __range_max(a,b) __range(==, a > b ? a : b)
#define __range_min(a,b) __range(==, a < b ? a : b)
/* Penetration review macros */
#define __in_data_source(src_sym) _Pre_ __inner_data_source(#src_sym)
#define __out_data_source(src_sym) _Post_ __inner_data_source(#src_sym)
#define __out_validated(typ_sym) __inner_out_validated(#typ_sym)
#define __this_out_data_source(src_sym) __inner_this_data_source(#src_sym)
#define __this_out_validated(typ_sym) __inner_this_out_validated(#typ_sym)
#define __transfer(formal) _Post_ __inner_transfer(formal)
#define __rpc_entry __inner_control_entrypoint(RPC)
#define __kernel_entry __inner_control_entrypoint(UserToKernel)
#define __gdi_entry __inner_control_entrypoint(GDI)
#define __encoded_pointer __inner_encoded
#define __encoded_array __inner_encoded
#define __field_encoded_pointer __inner_encoded
#define __field_encoded_array __inner_encoded
#if defined(_MSC_EXTENSIONS) || defined(_PREFAST_) || defined(OACR)
#define __type_has_adt_prop(adt,prop) __inner_adt_prop(adt,prop)
#define __out_has_adt_prop(adt,prop) _Post_ __inner_adt_add_prop(adt,prop)
#define __out_not_has_adt_prop(adt,prop) _Post_ __inner_adt_remove_prop(adt,prop)
#define __out_transfer_adt_prop(arg) _Post_ __inner_adt_transfer_prop(arg)
#define __out_has_type_adt_props(typ) _Post_ __inner_adt_type_props(typ)
/* useful PFD related macros */
#define __possibly_notnullterminated __inner_possibly_notnullterminated
/* Windows Internal */
#define __volatile __inner_volatile
#define __nonvolatile __inner_nonvolatile
#else
#define __out_has_type_adt_props(typ) /* nothing */
#endif
#define __deref_volatile __deref __volatile
#define __deref_nonvolatile __deref __nonvolatile
/* declare stub functions for macros */
__inner_assume_validated_dec
__inner_assume_bound_dec
__inner_analysis_assume_nullterminated_dec
#define __analysis_assume_nullterminated(x) __inner_analysis_assume_nullterminated(x)
#define __assume_validated(p) __inner_assume_validated(p)
#define __assume_bound(i) __inner_assume_bound(i)
/**************************************************************************
* SAL 2 extensions for Windows-specific APIs.
***************************************************************************/
// Annotation for parameters that are not used in any way by the function.
// Unlike _Reserved_, an _Unreferenced_parameter_ pointer need not be NULL.
#ifndef _Unreferenced_parameter_
#define _Unreferenced_parameter_ _Const_
#endif
// Pointer parameters that are freed by the function, and thus the pointed-to
// memory should not be used after return.
#ifndef _Frees_ptr_
#define _Frees_ptr_ _Pre_notnull_ _Post_ptr_invalid_
#endif
#ifndef _Frees_ptr_opt_
#define _Frees_ptr_opt_ _Pre_maybenull_ _Post_ptr_invalid_
#endif
// NLS APIs allow strings to be specified either by an element count or
// null termination. Unlike _In_reads_or_z_, this is not whichever comes
// first, but based on whether the size is negative or not.
#define _In_NLS_string_(size) _When_((size) < 0, _In_z_) \
_When_((size) >= 0, _In_reads_(size))
// Minifilter CompletionContext parameters on the pre-operation callback
// default to NULL. For return type FLT_PREOP_SUCCESS_WITH_CALLBACK or
// FLT_PREOP_SYNCHRONIZE, it may be set to NULL or a valid pointer. For all
// other returns, it must be NULL.
#define _Flt_CompletionContext_Outptr_ \
_Outptr_result_maybenull_ _Pre_valid_ \
_At_(*_Curr_, _Pre_null_ \
_When_(return != FLT_PREOP_SUCCESS_WITH_CALLBACK && return != FLT_PREOP_SYNCHRONIZE, _Post_null_))
// Minifilter ConnectionCookie parameters on the port connect notify callback
// default to NULL. On successful return, it may be set to NULL or non-NULL,
// but it must be NULL on failure.
#define _Flt_ConnectionCookie_Outptr_ \
_Outptr_result_maybenull_ _Pre_valid_ \
_At_(*_Curr_, _Pre_null_ _On_failure_(_Post_null_))
//
// A common pattern is to pass an "_Inout_ PCHAR* ppBuf" of size "_Inout_ DWORD* pSize"
// to a function that writes to **pBuf, incrementing *ppBuf to point to one
// past the last written byte. Thus the length of the write is
// (*ppBuf - Old(*ppBuf)). The size of the remaining unwritten capacity
// is written to *pSize.
//
// This pattern is frequently used when progressively filling a
// large buffer in chunks
// (e.g. when reading from a network interface in a driver).
//
// It is expected that these supplementary annotations would be used inside an
// _At_, like so:
//
// _At_(*ppBuf, _Writes_and_advances_ptr_(*pBufSize))
// HRESULT WriteChunkOfData(_Inout_ PCHAR* ppBuf, _Inout_ DWORD* pBufSize);
//
#ifndef _Writes_and_advances_ptr_
#define _Writes_and_advances_ptr_(size) \
_At_((void*)_Curr_, _Inout_) \
_At_(_Curr_, \
_Pre_writable_size_(size) \
_Post_writable_size_(size) \
_Post_satisfies_(_Curr_ - _Old_(_Curr_) == size)) \
_At_(_Old_(_Curr_), \
_Post_readable_size_(_Old_(size) - size))
#endif
#ifndef _Writes_bytes_and_advances_ptr_
#define _Writes_bytes_and_advances_ptr_(size) \
_At_((void*)_Curr_, _Inout_) \
_At_(_Curr_, \
_Pre_writable_byte_size_(size) \
_Post_writable_byte_size_(size) \
_Post_satisfies_(((char*)_Curr_) - ((void*)_Old_(_Curr_)) == size)) \
_At_(_Old_(_Curr_), \
_Post_readable_byte_size_(_Old_(size) - size))
#endif
//
// Gets the current error code (as returned by GetLastError()), and stores
// in _Curr_ as a postcondition. This is currently approximated by assuming
// that GetLastError() always returns a failed error code. This is not a
// completely accurate approximation, but reasonable.
//
#define _Post_equals_last_error_ _Post_satisfies_(_Curr_ != 0)
#ifdef __cplusplus
}
#endif
#ifdef _PREFIX_
/**************************************************************************
* Defintion of __pfx_assume and __pfx_assert. Thse should be the only
* defintions of these functions.
***************************************************************************/
#if __cplusplus
extern "C" void __pfx_assert(bool, const char *);
extern "C" void __pfx_assume(bool, const char *);
#else
void __pfx_assert(int, const char *);
void __pfx_assume(int, const char *);
#endif
/**************************************************************************
* Redefintion of __analysis_assume and __analysis_assert for PREFIX build
**************************************************************************/
#undef __analysis_assume
#undef __analysis_assert
#define __analysis_assume(e) (__pfx_assume(e,"pfx_assume"),__assume(e));
#define __analysis_assert(e) (__pfx_assert(e,"pfx_assert"),__assume(e));
#endif /* ifdef _PREFIX_ */
/**************************************************************************
* This include should always be the last thing in this file.
* Must avoid redfinitions of macros to workaround rc.exe issues.
***************************************************************************/
#if !(defined(RC_INVOKED) || defined(SORTPP_PASS))
#include <specstrings_strict.h>
#endif /* if !(defined(RC_INVOKED) || defined(SORTPP_PASS)) */
/*
If no SAL 2 appears to have been defined (_Outptr_ is a representative choice)
then we must be operating in a downlevel build environment (such as VS10).
We also test against the compiler version to identify a downlevel environment,
as VS11 is the minimum required for SAL 2 support.
If we are operating in a downlevel build environment (such as VS10)
we need to undefine the following symbols before including driverspecs.h
or we will end up referencing SAL 2 implementation symbols and cause
build failures.
*/
#if (!defined(_Outptr_) || _MSC_VER <= 1600) && !( defined( MIDL_PASS ) || defined(__midl) || defined(RC_INVOKED) ) /*IFSTRIP=IGN*/
#undef __ANNOTATION
#define __ANNOTATION(fun) /* fun */
#undef __PRIMOP
#define __PRIMOP(type, fun)
#endif /* !defined(_Outptr_) || _MSC_VER <= 1600 */
// ROTOR doesn't need driverspecs.h
// #include <driverspecs.h>
/*
If no SAL 2 appears to have been defined (_Outptr_ is a representative choice)
then we must be operating in a downlevel build environment (such as VS10).
We also test against the compiler version to identify a downlevel environment,
as VS11 is the minimum required for SAL 2 support.
If we are in a downlevel environment, we can go ahead and include no_sal2.h
to make all of SAL 2 no-ops to ensure no build failures.
*/
#if (!defined(_Outptr_) /* || _MSC_VER <= 1600 */) && !( defined( MIDL_PASS ) || defined(__midl) || defined(RC_INVOKED) ) && !( defined( _SDV_ ) ) /*IFSTRIP=IGN*/
#include <no_sal2.h>
#endif /* !defined(_Outptr_) || _MSC_VER <= 1600 */
#endif /* #ifndef SPECSTRINGS_H */
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