///////////////////////////////////////////////////////////////
// dirsrch.cpp - search specified directory or path for file //
//                                                           //
// Adapted by Jim Fawcett from the book:                     //
// "Win32 System Services:                                   //
// The Heart of Windows 95 and Windows NT", Marshall Brain,  //
// Prentice Hall, Copyright 1995                             //
//                                                           //
///////////////////////////////////////////////////////////////

#include <windows.h>
#include <iostream>
#include <cctype>
using namespace std;

//----< convert string to upper case >-------------------------

void upper(char *s) 
{
  int i, len = strlen(s);
  for(i=0; i<len; i++)
    s[i] = toupper(s[i]);
}

//----< search for file in specified directory or on path >----

void main()
{
  char name[MAX_PATH];
  char pathName[MAX_PATH];
  char *pathPointer;
  char *p;
  char buffer[MAX_PATH];
  DWORD len;

  cout << "\n  Demonstrate Searching for Files "
       << "\n =================================\n\n";

  // get name of file
  cout << "  Enter the name of the file to find: ";
  cin >> name;

  // get name of directory to start search
  cout << "  Enter path to start search, or PATH: ";
  cin >> pathName;
  upper(pathName);

  // Search named path, or system path
  if (strcmp(pathName, "PATH") == 0)
    pathPointer = NULL;
  else
    pathPointer = pathName;

//

  // do the search. It may take a while
  // If pathPointer is not NULL the search will be limited to
  // the single directory specified -- child directories will
  // not be searched.
  // If pathPointer is NULL then the current directory, system
  // directories and all path directories are searched, in that
  // order.
  len = SearchPath(pathPointer, name, 0, MAX_PATH, buffer, &p);
  cout << "  The search may take awhile...";

  if (len == 0)
    cout << "Not found: " << GetLastError() << endl;
  else
    cout << "Found in:\n  " << buffer << endl;
  cout << endl;
}