Cisco Cisco IPICS Release 2.1 Licensing Information

ARPA Persistent Object Bases project and the Computer-aided

 

Acquisition and the Logistic Support (CALS) program of the Office of

 

the Secretary of Defense.

 

 

 

Especially signicant contributions were made by John Ousterhout, Henry

 

Spencer, and Rob Savoye.  See the HISTORY file for others.

/*

* regcomp and regexec -- regsub and regerror are elsewhere

*

*      Copyright (c) 1986 by University of Toronto.

*      Written by Henry Spencer.  Not derived from licensed software.

*

*      Permission is granted to anyone to use this software for any

*      purpose on any computer system, and to redistribute it freely,

*      subject to the following restrictions:

*

*      1. The author is not responsible for the consequences of use of

*              this software, no matter how awful, even if they arise

*              from defects in it.

*

*      2. The origin of this software must not be misrepresented, either

*              by explicit claim or by omission.

*

*      3. Altered versions must be plainly marked as such, and must not

*              be misrepresented as being the original software.

*

* Beware that some of this code is subtly aware of the way operator

* precedence is structured in regular expressions.  Serious changes in

* regular-expression syntax might require a total rethink.

*

* *** NOTE: this code has been altered slightly for use in Tcl. ***

* *** The only change is to use ckalloc and ckfree instead of   ***

* *** malloc and free.                                          ***

 

* *** and again for Expect!!! - DEL

 

* *** More minor corrections stolen from tcl7.5p1/regexp.c - DEL