C / C++ / MFC

Stevej wrote:

and the non .Net ADO seems to be just another layer to slow things down.

Stevej wrote:

Question #2 then becomes a bigger issue as to the amount of code that needs to be changed/redesigned.

Stevej wrote:

Without FindFirst/FindNext we are looking a quite a bit of code to modify.

Stevej wrote:

...no FindFirst/FindNext capability.

Stevej wrote:

2. Does anyone have any ideas about how to do an indexed search through a result set (like a FindFirst) to locate a particular record without the slow FetchNext/MoveNext etc.

// Depends.cpp : Defines the entry point for the console application.
//
 
#include "stdafx.h"
#include <windows.h>
#include <Imagehlp.h>
#include <iostream>
using namespace std;
 
#pragma comment(lib, "Imagehlp.lib")
 
void Depends(char *pFile)
{
	cout << "\"" << pFile << "\" depends on:" << endl;
 
	LOADED_IMAGE li;
	BOOL bOk = MapAndLoad(
			pFile,	// PSTR ImageName
			NULL,	// PSTR DllPath
			&li,	// PLOADED_IMAGE LoadedImage
			TRUE,	// BOOL DotDll
			TRUE	// BOOL ReadOnly
			);
	if (!bOk)
	{
		cerr << "MapAndLoad FAILED!" << endl;
		return;
	}
 
	// Get a pointer to the import data directory ('pImpDD').
	PIMAGE_NT_HEADERS pNT = li.FileHeader;
	PIMAGE_OPTIONAL_HEADER pOpt = &(pNT->OptionalHeader);
	PIMAGE_DATA_DIRECTORY pImpDD = &(pOpt->DataDirectory[IMAGE_DIRECTORY_ENTRY_IMPORT]);
 
	// Get the address of the first import descriptor.
	PVOID pVoidIID = ImageRvaToVa(
				pNT,			// IN PIMAGE_NT_HEADERS NtHeaders
				li.MappedAddress,		// IN PVOID Base
				pImpDD->VirtualAddress,	// IN ULONG Rva
				NULL			// IN OUT PIMAGE_SECTION_HEADER *LastRvaSection
				);
	PIMAGE_IMPORT_DESCRIPTOR pImp = (PIMAGE_IMPORT_DESCRIPTOR)pVoidIID;
 
	// Iterate over all the import descriptors printing the DLL name.
	for (/*Empty*/; pImp->Characteristics!=0; ++pImp)
	{
		// Get the DLL's name.
		DWORD rvaName = pImp->Name;
		PVOID pVoidName = ImageRvaToVa(
					pNT,		// IN PIMAGE_NT_HEADERS NtHeaders
					li.MappedAddress,	// IN PVOID Base
					rvaName,		// IN ULONG Rva
					NULL		// IN OUT PIMAGE_SECTION_HEADER *LastRvaSection
					);
		char *pName = (char *)pVoidName;

		cout << pName << endl;
	}
 
	UnMapAndLoad(&li);
}
 
int main(int argc, char* argv[])
{
	if (argc != 2)
	{
		cout << "Usage:" << endl;
		cout << "\tDepends <file>" << endl;
		return -1;
	}
 
	Depends(argv[1]);
 
	return 0;
}