Perfect Hash Function Generator

Introduction

This manual documents the GNU gperf perfect hash function generator utility, focusing on its features and how to use them, and how to report bugs.

• Copying: GNU General Public License says how you can copy and share gperf.
• Contributors: People who have contributed to gperf.
• Motivation: The purpose of gperf.
• Search Structures: Static search structures and GNU gperf
• Description: High-level discussion of how GPERF functions.
• Options: A description of options to the program.
• Bugs: Known bugs and limitations with GPERF.
• Projects: Things still left to do.
• Bibliography: Material Referenced in this Report.
• Concept Index

High-Level Description of GNU gperf

• Input Format: Input Format to gperf
• Output Format: Output Format for Generated C Code with gperf
• Binary Strings: Use of NUL bytes
• Controlling Identifiers: Avoiding collisions of identifiers
• Output Copyright: The Copyright of the Output.

Input Format to gperf

• Declarations: Declarations.
• Keywords: Format for Keyword Entries.
• Functions: Including Additional C Functions.
• Controls for GNU indent: Where to place directives for GNU indent.

Declarations

• User-supplied Struct: Specifying keywords with attributes.
• Gperf Declarations: Embedding command line options in the input.
• C Code Inclusion: Including C declarations and definitions.

Invoking gperf

• Input Details: Options that affect Interpretation of the Input File
• Output Language: Specifying the Language for the Output Code
• Output Details: Fine tuning Details in the Output Code
• Algorithmic Details: Changing the Algorithms employed by gperf
• Verbosity: Informative Output