ndr_misc.h File Reference

#include <stdarg.h>
#include "windef.h"
#include "winbase.h"
#include "rpc.h"
#include "rpcndr.h"

Include dependency graph for ndr_misc.h:

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Go to the source code of this file.

Typedefs
typedef unsigned char *(WINAPI *	NDR_MARSHALL) (PMIDL_STUB_MESSAGE, unsigned char *, PFORMAT_STRING)
typedef unsigned char *(WINAPI *	NDR_UNMARSHALL) (PMIDL_STUB_MESSAGE, unsigned char **, PFORMAT_STRING, unsigned char)
typedef void(WINAPI *	NDR_BUFFERSIZE) (PMIDL_STUB_MESSAGE, unsigned char *, PFORMAT_STRING)
typedef ULONG(WINAPI *	NDR_MEMORYSIZE) (PMIDL_STUB_MESSAGE, PFORMAT_STRING)
typedef void(WINAPI *	NDR_FREE) (PMIDL_STUB_MESSAGE, unsigned char *, PFORMAT_STRING)

Functions
PFORMAT_STRING	ComputeConformanceOrVariance (MIDL_STUB_MESSAGE *pStubMsg, unsigned char *pMemory, PFORMAT_STRING pFormat, ULONG_PTR def, ULONG_PTR *pCount) DECLSPEC_HIDDEN
static PFORMAT_STRING	ComputeConformance (PMIDL_STUB_MESSAGE pStubMsg, unsigned char *pMemory, PFORMAT_STRING pFormat, ULONG def)
static PFORMAT_STRING	ComputeVariance (PMIDL_STUB_MESSAGE pStubMsg, unsigned char *pMemory, PFORMAT_STRING pFormat, ULONG def)
ULONG	ComplexStructSize (PMIDL_STUB_MESSAGE pStubMsg, PFORMAT_STRING pFormat) DECLSPEC_HIDDEN

Variables
const NDR_MARSHALL NdrMarshaller[]	DECLSPEC_HIDDEN

Typedef Documentation

NDR_BUFFERSIZE

typedef void(WINAPI * NDR_BUFFERSIZE) (PMIDL_STUB_MESSAGE, unsigned char *, PFORMAT_STRING)

Definition at line 55 of file ndr_misc.h.

NDR_FREE

typedef void(WINAPI * NDR_FREE) (PMIDL_STUB_MESSAGE, unsigned char *, PFORMAT_STRING)

Definition at line 57 of file ndr_misc.h.

NDR_MARSHALL

typedef unsigned char *(WINAPI * NDR_MARSHALL) (PMIDL_STUB_MESSAGE, unsigned char *, PFORMAT_STRING)

Definition at line 53 of file ndr_misc.h.

NDR_MEMORYSIZE

typedef ULONG(WINAPI * NDR_MEMORYSIZE) (PMIDL_STUB_MESSAGE, PFORMAT_STRING)

Definition at line 56 of file ndr_misc.h.

NDR_UNMARSHALL

typedef unsigned char *(WINAPI * NDR_UNMARSHALL) (PMIDL_STUB_MESSAGE, unsigned char **, PFORMAT_STRING, unsigned char)

Definition at line 54 of file ndr_misc.h.

Function Documentation

ComplexStructSize()

ULONG ComplexStructSize	(	PMIDL_STUB_MESSAGE	pStubMsg,
		PFORMAT_STRING	pFormat
	)

Definition at line 3522 of file ndr_marshall.c.

{
  PFORMAT_STRING desc;
  ULONG size = 0;
 
  while (*pFormat != FC_END) {
    switch (*pFormat) {
    case FC_BYTE:
    case FC_CHAR:
    case FC_SMALL:
    case FC_USMALL:
      size += 1;
      break;
    case FC_WCHAR:
    case FC_SHORT:
    case FC_USHORT:
      size += 2;
      break;
    case FC_LONG:
    case FC_ULONG:
    case FC_ENUM16:
    case FC_ENUM32:
    case FC_FLOAT:
      size += 4;
      break;
    case FC_INT3264:
    case FC_UINT3264:
      size += sizeof(INT_PTR);
      break;
    case FC_HYPER:
    case FC_DOUBLE:
      size += 8;
      break;
    case FC_RP:
    case FC_UP:
    case FC_OP:
    case FC_FP:
    case FC_POINTER:
      size += sizeof(void *);
      if (*pFormat != FC_POINTER)
        pFormat += 4;
      break;
    case FC_ALIGNM2:
      align_length(&size, 2);
      break;
    case FC_ALIGNM4:
      align_length(&size, 4);
      break;
    case FC_ALIGNM8:
      align_length(&size, 8);
      break;
    case FC_STRUCTPAD1:
    case FC_STRUCTPAD2:
    case FC_STRUCTPAD3:
    case FC_STRUCTPAD4:
    case FC_STRUCTPAD5:
    case FC_STRUCTPAD6:
    case FC_STRUCTPAD7:
      size += *pFormat - FC_STRUCTPAD1 + 1;
      break;
    case FC_EMBEDDED_COMPLEX:
      size += pFormat[1];
      pFormat += 2;
      desc = pFormat + *(const SHORT*)pFormat;
      size += EmbeddedComplexSize(pStubMsg, desc);
      pFormat += 2;
      continue;
    case FC_PAD:
      break;
    default:
      FIXME("unhandled format 0x%02x\n", *pFormat);
    }
    pFormat++;
  }
 
  return size;
}

Referenced by array_memory_size(), array_read_conformance(), array_read_variance_and_unmarshall(), calc_arg_size(), NdrComplexStructBufferSize(), and NdrComplexStructMarshall().

ComputeConformance()

static PFORMAT_STRING ComputeConformance ( PMIDL_STUB_MESSAGE  pStubMsg, unsigned char *  pMemory, PFORMAT_STRING  pFormat, ULONG  def  )

inlinestatic

Definition at line 37 of file ndr_misc.h.

{
    return ComputeConformanceOrVariance(pStubMsg, pMemory, pFormat, def, &pStubMsg->MaxCount);
}

Referenced by array_compute_and_size_conformance(), array_compute_and_write_conformance(), array_free(), calc_arg_size(), get_ip_iid(), NdrComplexArrayFree(), NdrConformantStructBufferSize(), NdrConformantStructFree(), NdrConformantStructMarshall(), NdrNonEncapsulatedUnionBufferSize(), NdrNonEncapsulatedUnionFree(), and NdrNonEncapsulatedUnionMarshall().

ComputeConformanceOrVariance()

PFORMAT_STRING ComputeConformanceOrVariance	(	MIDL_STUB_MESSAGE *	pStubMsg,
		unsigned char *	pMemory,
		PFORMAT_STRING	pFormat,
		ULONG_PTR	def,
		ULONG_PTR *	pCount
	)

Definition at line 556 of file ndr_marshall.c.

{
  BYTE dtype = pFormat[0] & 0xf;
  short ofs = *(const short *)&pFormat[2];
  LPVOID ptr = NULL;
  ULONG_PTR data = 0;
 
  if (!IsConformanceOrVariancePresent(pFormat)) {
    /* null descriptor */
    *pCount = def;
    goto finish_conf;
  }
 
  switch (pFormat[0] & 0xf0) {
  case FC_NORMAL_CONFORMANCE:
    TRACE("normal conformance, ofs=%d\n", ofs);
    ptr = pMemory;
    break;
  case FC_POINTER_CONFORMANCE:
    TRACE("pointer conformance, ofs=%d\n", ofs);
    ptr = pStubMsg->Memory;
    break;
  case FC_TOP_LEVEL_CONFORMANCE:
    TRACE("toplevel conformance, ofs=%d\n", ofs);
    if (pStubMsg->StackTop) {
      ptr = pStubMsg->StackTop;
    }
    else {
      /* -Os mode, *pCount is already set */
      goto finish_conf;
    }
    break;
  case FC_CONSTANT_CONFORMANCE:
    data = ofs | ((DWORD)pFormat[1] << 16);
    TRACE("constant conformance, val=%ld\n", data);
    *pCount = data;
    goto finish_conf;
  case FC_TOP_LEVEL_MULTID_CONFORMANCE:
    FIXME("toplevel multidimensional conformance, ofs=%d\n", ofs);
    if (pStubMsg->StackTop) {
      ptr = pStubMsg->StackTop;
    }
    else {
      /* ? */
      goto done_conf_grab;
    }
    break;
  default:
    FIXME("unknown conformance type %x, expect crash.\n", pFormat[0] & 0xf0);
    goto finish_conf;
  }
 
  switch (pFormat[1]) {
  case FC_DEREFERENCE:
    ptr = *(LPVOID*)((char *)ptr + ofs);
    break;
  case FC_CALLBACK:
  {
    unsigned char *old_stack_top = pStubMsg->StackTop;
    ULONG_PTR max_count, old_max_count = pStubMsg->MaxCount;
 
    pStubMsg->StackTop = ptr;
 
    /* ofs is index into StubDesc->apfnExprEval */
    TRACE("callback conformance into apfnExprEval[%d]\n", ofs);
    pStubMsg->StubDesc->apfnExprEval[ofs](pStubMsg);
 
    pStubMsg->StackTop = old_stack_top;
 
    /* the callback function always stores the computed value in MaxCount */
    max_count = pStubMsg->MaxCount;
    pStubMsg->MaxCount = old_max_count;
    *pCount = max_count;
    goto finish_conf;
  }
  default:
    ptr = (char *)ptr + ofs;
    break;
  }
 
  switch (dtype) {
  case FC_LONG:
  case FC_ULONG:
    data = *(DWORD*)ptr;
    break;
  case FC_SHORT:
    data = *(SHORT*)ptr;
    break;
  case FC_USHORT:
    data = *(USHORT*)ptr;
    break;
  case FC_CHAR:
  case FC_SMALL:
    data = *(CHAR*)ptr;
    break;
  case FC_BYTE:
  case FC_USMALL:
    data = *(UCHAR*)ptr;
    break;
  case FC_HYPER:
    data = *(ULONGLONG *)ptr;
    break;
  default:
    FIXME("unknown conformance data type %x\n", dtype);
    goto done_conf_grab;
  }
  TRACE("dereferenced data type %x at %p, got %ld\n", dtype, ptr, data);
 
done_conf_grab:
  switch (pFormat[1]) {
  case FC_DEREFERENCE: /* already handled */
  case 0: /* no op */
    *pCount = data;
    break;
  case FC_ADD_1:
    *pCount = data + 1;
    break;
  case FC_SUB_1:
    *pCount = data - 1;
    break;
  case FC_MULT_2:
    *pCount = data * 2;
    break;
  case FC_DIV_2:
    *pCount = data / 2;
    break;
  default:
    FIXME("unknown conformance op %d\n", pFormat[1]);
    goto finish_conf;
  }
 
finish_conf:
  TRACE("resulting conformance is %ld\n", *pCount);
 
  return SkipConformance(pStubMsg, pFormat);
}

Referenced by ComputeConformance(), and ComputeVariance().

ComputeVariance()

static PFORMAT_STRING ComputeVariance ( PMIDL_STUB_MESSAGE  pStubMsg, unsigned char *  pMemory, PFORMAT_STRING  pFormat, ULONG  def  )

inlinestatic

Definition at line 42 of file ndr_misc.h.

{
    PFORMAT_STRING ret;
    ULONG_PTR ActualCount = pStubMsg->ActualCount;
 
    pStubMsg->Offset = 0;
    ret = ComputeConformanceOrVariance(pStubMsg, pMemory, pFormat, def, &ActualCount);
    pStubMsg->ActualCount = (ULONG)ActualCount;
    return ret;
}

Referenced by array_compute_and_size_conformance(), array_compute_and_write_conformance(), array_free(), calc_arg_size(), NdrComplexArrayFree(), NdrVaryingArrayBufferSize(), NdrVaryingArrayFree(), and NdrVaryingArrayMarshall().

Variable Documentation

DECLSPEC_HIDDEN

const NDR_FREE NdrFreer [] DECLSPEC_HIDDEN

extern

Definition at line 60 of file ndr_misc.h.