From: nobu.nokada@...
Date: 2003-08-22T20:30:32+09:00
Subject: Re: [crash BUG] the latest ruby 1.8 (2003-08-22) give SIGBUS

Hi,

At Fri, 22 Aug 2003 20:17:29 +0900,
Ville Mattila wrote:
> When I'm trying to compile the latest sources I get at miniruby stage the following
> dump
> 
> r  ./ext/extmk.rb --extstatic="" --dest-dir="" --make="make" --mflags="" --make-flags=""
> Starting program: /workarea2/stonebeat/work/m_o/mulperi/nb/ruby/ruby-cvs/ruby/./miniruby ./ext/extmk.rb --extstatic="" --dest-dir="" --make="make" --mflags="" --make-flags=""
> 
> Program received signal SIGBUS, Bus error.
> rb_yield_0 (val=1604896, self=1069304, klass=0, flags=0, avalue=2)
>     at eval.c:4109
> 4109                            val = RARRAY(val)->ptr[0];

This patch woudl fix it.


Index: string.c
===================================================================
RCS file: /cvs/ruby/src/ruby/string.c,v
retrieving revision 1.173
diff -u -2 -p -r1.173 string.c
--- string.c	22 Aug 2003 08:09:57 -0000	1.173
+++ string.c	22 Aug 2003 09:49:45 -0000
@@ -3031,9 +3031,6 @@ scan_once(str, pat, start)
 	    *start = END(0);
 	}
-	if (regs->num_regs == 1) {
-	    return rb_reg_nth_match(0, match);
-	}
 	result = rb_ary_new2(regs->num_regs);
-	for (i=1; i < regs->num_regs; i++) {
+	for (i=0; i < regs->num_regs; i++) {
 	    rb_ary_push(result, rb_reg_nth_match(i, match));
 	}


-- 
Nobu Nakada