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Date: Wed, 21 Jan 1998 00:43:24 +0900 (JST)
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Subject: misc/5531: new library function abs2rel and rel2abs
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>Number:         5531
>Category:       misc
>Synopsis:       new library function abs2rel and rel2abs.
>Confidential:   no
>Severity:       non-critical
>Priority:       low
>Responsible:    freebsd-bugs
>State:          open
>Quarter:
>Keywords:
>Date-Required:
>Class:          change-request
>Submitter-Id:   current-users
>Arrival-Date:   Tue Jan 20 08:00:01 PST 1998
>Last-Modified:
>Originator:     Shigio Yamaguchi
>Organization:
freelance programmer
>Release:        FreeBSD 2.2.1-RELEASE i386
>Environment:

>Description:

This is a library for C language, which operates path strings.
It includes two functions.

o abs2rel: make a relative path name from an absolute path name

  abs2rel(<original path name>, <base directory>, <result>, <size of result>);

	INPUT                   INPUT                   OUTPUT
	<original path name>    <base directory>        <result>
	/usr/src                /etc                    ../usr/src


o rel2abs: make an absolute path name from a relative path name

  rel2abs(<original path name>, <base directory>, <result>, <size of result>);

	INPUT                   INPUT                   OUTPUT
	<original path name>    <base directory>        <result>
	../usr/src              /etc                    /usr/src

A sample application 'lndir' for abs2rel is available.
This command is derived from X11 and slightly modified to generate relative
symbolic link. See example/README.

>How-To-Repeat:

I put pathconvert archive as
ftp://ftp.freebsd.org/pub/FreeBSD/incoming/pathconvert-a3.tar.gz

>Fix:
>Audit-Trail:
>Unformatted: