src/bin/sh/exec.c, branch releng/4.5

Merge various fixes that had their test time in -current:

2000-09-06T08:38:45Z

- stack fixes (from tegge) - backout of parts of my 8-bit fixes - type for absolute paths

Fix command hash handling on

1999-12-20T13:42:59Z

PATH=... command Noted by and fix works for Marcel Moolenaar

$Id$ -> $FreeBSD$

1999-08-27T23:15:48Z

Add rcsid. Spelling.

1998-05-18T06:44:24Z

Use the __unused attribute where warranted.

1997-05-19T00:18:52Z

Add a type builtin and nuke register keyword usage.

1997-04-28T03:08:38Z

Obtained from: NetBSD

Revert $FreeBSD$ to $Id$

1997-02-22T14:13:04Z

Make the long-awaited change from $Id$ to $FreeBSD$

1997-01-14T07:20:47Z

This will make a number of things easier in the future, as well as (finally!) avoiding the Id-smashing problem which has plagued developers for so long. Boy, I'm glad we're not using sup anymore. This update would have been insane otherwise.

Merge in NetBSD mods and -Wall cleaning.

1996-12-14T06:20:03Z

Obtained from: NetBSD, me

Fix for PR#1287. This makes sh behave sensibly in case statements in the

1996-09-03T14:16:06Z

face of aliases. Note, bash doesn't do aliases while running scripts, but "real" ksh does.. Also: Reduce redundant .Nm macros in (unused) bltin/echo.1 nuke error2, it's hardly used. More -Wall cleanups dont do certain history operations if NO_HISTORY defined handle quad_t's from resource limits Submitted by: Steve Price (minor tweaks by me)