1 files changed, 113 insertions, 0 deletions
diff --git a/3.04.personenListe.cc b/3.04.personenListe.cc
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+++ b/3.04.personenListe.cc
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+// =====================================================================================
+//
+//       Filename:  3.04.personenListe.cc
+//
+//    Description:  Personen as list with Structs
+//
+//        Version:  1.0
+//        Created:  23.04.2014 21:50:42
+//       Revision:  none
+//       Compiler:  gcc
+//
+//         Author:  Stefan Suhren (SSuhren), suhren.stefan@fh-swf.de
+//   Organization:  FH Südwestfalen, Iserlohn
+//
+// =====================================================================================
+
+#include	<cstdlib>
+#include	<iostream>
+#include	<iomanip>
+#include	<fstream>
+#include	<string>
+
+using namespace std;
+
+// ##### TYPE DEFINITIONS - LOCAL TO THIS SOURCE FILE #############
+struct mitarbeiter{
+	string identnummer;
+	string nachname;
+	string vorname;
+	string abteilung;
+	unsigned int durchwahl;
+	mitarbeiter *next;
+}; // ---------- end of struct mitarbeiter ----------
+
+// ===  FUNCTION  ======================================================================
+//         Name:  main
+//  Description:  Reading and printing the personen.dat file
+// =====================================================================================
+int main ( int argc, char *argv[] ){
+
+	string    ifs_file_name = "personen.dat";     // input  file name 
+	ifstream  ifs;                                // create ifstream object 
+
+	ifs.open ( ifs_file_name.c_str() );           // open ifstream 
+	if (!ifs) {
+		cerr << "\nERROR : failed to open input file " << ifs_file_name << endl;
+		exit (EXIT_FAILURE);
+	}
+	
+	// Creating anchor and cursor
+	mitarbeiter *ma = 0, *cursor = 0, *maNeu = 0;
+	int satz = 0;
+
+	while ( ifs ) {
+		
+		// Create temporary object
+		maNeu = new mitarbeiter;
+
+		if( ifs >> maNeu->identnummer >> maNeu->nachname >> maNeu->vorname >> maNeu->abteilung >> maNeu->durchwahl ){
+			// Makes sure next is NULL
+			maNeu->next = NULL;
+			if( ma == NULL ){
+				ma = maNeu;
+				cursor = ma;
+			}
+			else{
+				cursor->next = maNeu;
+				cursor = maNeu;
+			}
+//			cout << "Person Nr." << satz+1 << "\n"
+//				 << "\t ID:        " << cursor->identnummer << "\n"
+//				 << "\t Nachname:  " << cursor->nachname    << "\n"
+//				 << "\t Vorname:   " << cursor->vorname     << "\n"
+//				 << "\t Abteilung: " << cursor->abteilung   << "\n"
+//				 << "\t Durchwahl: " << cursor->durchwahl   << "\n";
+
+			satz++;
+		}
+		else{
+			delete maNeu;
+		}
+	}
+
+	ifs.close ();                                 // close ifstream 
+
+	// Reset cursor
+	cursor = ma;
+	// Walk over list to find the record
+	while( cursor != NULL && cursor->durchwahl != 4731 ){
+		cursor = cursor->next;
+	}
+
+	// Check if something was found
+	if( cursor != NULL ){
+		cout << "Record found.\nName: " << cursor->vorname << " " << cursor->nachname << "\n";
+	}
+	else{
+		cout << "Record not found!!!" << "\n";
+	}
+
+	// Now delete the list
+	// Reset cursor
+	// Temp var for deleting
+	while( ma != NULL ){
+		cursor = ma;
+		ma = cursor->next;
+		delete cursor;
+	}
+	// Make list sane again
+	// ma = NULL;
+
+	return EXIT_SUCCESS;
+}	// ----------  end of function main  ----------