From 33613a85afc4b1481367fbe92a17ee59c240250b Mon Sep 17 00:00:00 2001 From: Sven Eisenhauer Date: Fri, 10 Nov 2023 15:11:48 +0100 Subject: add new repo --- Bachelor/Prog2/Codebeispiele/8_ch13/fig13_04.cpp | 49 ++++++++++++++++++++++++ 1 file changed, 49 insertions(+) create mode 100644 Bachelor/Prog2/Codebeispiele/8_ch13/fig13_04.cpp (limited to 'Bachelor/Prog2/Codebeispiele/8_ch13/fig13_04.cpp') diff --git a/Bachelor/Prog2/Codebeispiele/8_ch13/fig13_04.cpp b/Bachelor/Prog2/Codebeispiele/8_ch13/fig13_04.cpp new file mode 100644 index 0000000..34f588a --- /dev/null +++ b/Bachelor/Prog2/Codebeispiele/8_ch13/fig13_04.cpp @@ -0,0 +1,49 @@ +// Fig. 13.4: fig13_04.cpp +// Demonstrating pre-standard new returning 0 when memory +// is not allocated. +#include + +using std::cout; + +int main() +{ + double *ptr[ 50 ]; + + // allocate memory for ptr + for ( int i = 0; i < 50; i++ ) { + ptr[ i ] = new double[ 5000000 ]; + + // new returns 0 on failure to allocate memory + if ( ptr[ i ] == 0 ) { + cout << "Memory allocation failed for ptr[ " + << i << " ]\n"; + + break; + + } // end if + + // successful memory allocation + else + cout << "Allocated 5000000 doubles in ptr[ " + << i << " ]\n"; + + } // end for + + return 0; + +} // end main + +/************************************************************************** + * (C) Copyright 1992-2003 by Deitel & Associates, Inc. and Prentice * + * Hall. All Rights Reserved. * + * * + * DISCLAIMER: The authors and publisher of this book have used their * + * best efforts in preparing the book. These efforts include the * + * development, research, and testing of the theories and programs * + * to determine their effectiveness. The authors and publisher make * + * no warranty of any kind, expressed or implied, with regard to these * + * programs or to the documentation contained in these books. The authors * + * and publisher shall not be liable in any event for incidental or * + * consequential damages in connection with, or arising out of, the * + * furnishing, performance, or use of these programs. * + *************************************************************************/ -- cgit v1.2.3