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Linux Programming by Example: The Fundamentals
ISBN-10: 0-13-142964-7
ISBN-13: 978-0-13-142964-2
Published by Prentice Hall
© 2004
Pub. Date: Apr 12, 2004
Format: Paper
Table of Contents
Preface.
Audience. What You Will Learn. Small Is Beautiful: Unix Programs. Standards. Features and Power: GNU Programs. Chapter Summary. Typographical Conventions. Where To Get Unix and GNU Source Code. Unix Code. GNU Code.
Acknowledgments.
1. Introduction.
The Linux/Unix File Model. The Linux/Unix Process Model. Standard C vs. Original C. Why GNU Programs Are Better. Portability Revisited. Suggested Reading. Summary. Exercises.
2. Arguments, Options, and the Environment
Option and Argument Conventions. Basic Command Line Processing. Option Parsing: getopt() and getopt_long(). The Environment. Summary. Exercises.
3. User-Level Memory Management
Linux/Unix Address Space. Allocating Memory. Summary. Exercises.
4. Files and File I/O.
Introduction. Basic Program Structure. Determining What Went Wrong. Input and Output. Random Access: Moving Around Within A File. Creating Files. Forcing Data to Disk. Setting File Length. Summary. Exercises.
5. Directories and File Metadata.
Directory Contents. Creating and Removing Directories. Reading Directories. File Types and Information. Changing Ownership, Permission, and Modification Times. Summary. Exercises.
6. General Library Interfaces - Part 1
Times and Dates. Sorting and Searching. User and Group Names. Terminals: isatty(). Suggested Reading. Summary. Exercises.
7. Putting It All Together: ls.
V7 ls Options. The V7 ls Code. Summary. Exercises.
8. Filesystems and Directory Walks.
Mounting and Unmounting Filesystems. Filesystem Administration Files. Retrieving Per-filesystem Information. Moving Around In The File Hierarchy. Doing A File Tree Walk: GNU du. Changing The Root Directory: chroot(). Summary. Exercises.
9. Process Management and Pipes.
Process Creation and Management. Process Groups. Basic Interprocess Communication: Pipes and FIFOs. File Descriptor Management. Example: Two Way Pipes In gawk. Suggested Reading. Summary. Exercises.
10. Signals.
Introduction. Signal Actions. Standard C Signals: signal() and raise(). Signal Handlers In Action. The System V Release 3 Signal APIs: sigset() et al. POSIX Signals. Signals For Interprocess Communication. Important Special Purpose Signals. Signals Across fork() and exec(). Summary. Exercises.
11. User and Group ID Numbers and Permissions.
Introduction. Retrieving User and Group Ids. Checking As The Real User: access(). GLIBC Only: Checking As The E_ective User: euidaccess(). Extra Permission Bits For Directories. Setting Real and E_ective Ids. Linux Only: getresuid() and setresuid(). Setuid root: A Security Minefield. Suggested Reading. Summary. Exercises.
12. General Library Interfaces - Part 2.
Stating Assertions: assert(). Low-level Memory: The memXXX() Functions. Temporary Files. Committing Suicide: abort(). Non-local Gotos. Pseudorandom Numbers. Metacharacter Expansions. Regular Expressions. Suggested Reading. Summary. Exercises.
13. Internationalization and Localization.
Locales and the C Library. Dynamic Translation of Program Messages. Can You Spell That For Me Please? Suggested Reading. Summary. Exercises.
14. Extended Interfaces.
Allocating Aligned Memory: posix_memalign() and memalign(). Locking Files. More Precise Times. Advanced Searching With Binary Trees. Summary. Exercises
15. Debugging.
What To Do First? Compiling For Debugging. GDB Basics. Programming For Debugging. Debugging Tools. Software Testing. Debugging Rules. Suggested Reading. Summary. Exercises.
16. Tying It Together - A Project.
Project Description. Suggested Reading.
Appendix A. Teach Yourself Programming in Ten Years.
Why is everyone in such a rush? Teach Yourself Programming in Ten Years. References. Answers. Footnotes.
Appendix B. Caldera Ancient UNIX License.
Appendix C. GNU General Public License.
Preamble.
Terms and Conditions for Copying, Distribution and Modification.
How to Apply These Terms to Your New Programs.
Example Use.
Index.
