Is your X code ready for 64-bit?

Mark J. Kilgard
Silicon Graphics Inc.

• 1 Introduction
• 2 General 64-bit Considerations
  • 2.1 The 64-bit Programming Model
  • 2.2 Advantages of 64-bit
• 3 Generic 64-bit Portability Problems
  • 3.1 Listen to Your Compiler
  • 3.2 Bad Assumptions about Data Types
  • 3.3 Poorly Sized Malloc Calls
  • 3.4 Careful Using Variable Argument Lists
  • 3.5 Using inttypes.h
  • 3.6 Changed Page Sizes
• 4 The Effects of 64-bit on X
  • 4.1 The X11 Protocol Remains
  • 4.2 The 64-bit Xlib Interface
  • 4.3 X API Types That Change Size
  • 4.4 Pitfalls of 32-bit Window Properties
  • 4.5 Careful with X Images
  • 4.6 Xt Argument Lists
  • 4.7 Extension Writers Beware
• Conclusions
• About this document ...