20 issues of porting C++ code on the 64-bit platform

출처 : http://www.codeproject.com/KB/architecture/20ISSUES64BIT.aspx

Program errors occurring while porting C++ code from 32-bit platforms on 64-bit ones are observed. Examples of the incorrect code and the ways to correct it are given. Methods and means of the code analysis which allow to diagnose the errors discussed, are listed

Table of contents

• Introduction
• Off-warnings
• Use of the functions with a variable number of arguments
• Magic numbers
• Storing of integers in double type
• Bit shifting operations
• Storing of pointer addresses
• Memsize types in unions
• Change of an array type
• Virtual functions with arguments of memsize type
• Serialization and data exchange
  • The use of types of volatile size
  • Ignoring of the byte order
• Bit fields
• Pointer address arithmetic
• Arrays indexing
• Mixed use of simple integer types and memsize types
• Implicit type conversions while using functions
• Overload functions
• Data alignment
• Exceptions
• The use of outdated functions and predefined constants
• Explicit type conversions
• Error diagnosis
• Unit test
• Code review
• Built-in means of compilers
• Static analyzers
• Conclusion
• Resources
• History