bin/51488: Compat patch: more(1) allowed filename to start with '+'

[Dmitry Sivachenko]

>Number:         51488
>Category:       bin
>Synopsis:       Compat patch: more(1) allowed filename to start with '+'
>Confidential:   no
>Severity:       non-critical
>Priority:       low
>Responsible:    freebsd-bugs
>State:          open
>Quarter:        
>Keywords:       
>Date-Required:
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Mon Apr 28 03:50:14 PDT 2003
>Closed-Date:
>Last-Modified:
>Originator:     Dmitry Sivachenko
>Release:        FreeBSD 4.8-STABLE i386
>Organization:
>Environment:
System: FreeBSD tear.demos.su 4.8-STABLE FreeBSD 4.8-STABLE #2: Mon Apr 28 14:27:07 MSD 2003 mitya at tear.demos.su:/usr/src/sys/compile/TEAR i386


	
>Description:
more(1), before it became an alias to less(1), allowed filename to start with
'+'.  Thus, `more +abc` was legal request to view file '+abc'.
less(1) treats leading '+' symbol specially.  The following patch
restores old behaviour (only when invoked as 'more').

>How-To-Repeat:
	
>Fix:

	


--- main.c.orig	Mon Apr 28 14:36:38 2003
+++ main.c	Mon Apr 28 14:38:21 2003
@@ -125,7 +125,8 @@
 	if (s != NULL)
 		scan_option(save(s));
 
-#define	isoptstring(s)	(((s)[0] == '-' || (s)[0] == '+') && (s)[1] != '\0')
+#define	isoptstring(s)	more_mode ? (((s)[0] == '-') && (s)[1] != '\0') : \
+			(((s)[0] == '-' || (s)[0] == '+') && (s)[1] != '\0')
 	while (argc > 0 && (isoptstring(*argv) || isoptpending()))
 	{
 		s = *argv++;
>Release-Note:
>Audit-Trail:
>Unformatted: