From 18a33fb59fd6afeb2aae93e4a139e231623b401f Mon Sep 17 00:00:00 2001
From: Nicholas Clark <nick@ccl4.org>
Date: Sat, 10 Jul 2004 16:00:44 +0000
Subject: [PATCH] Perl_mode_from_discipline must update len. (else SEGV)
 Diagnosis and patch from clkao

p4raw-id: //depot/perl@23076
---
 doio.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/doio.c b/doio.c
index 98e7204..a551d05 100644
--- a/doio.c
+++ b/doio.c
@@ -1172,6 +1172,7 @@ fail_discipline:
 #ifndef PERLIO_LAYERS
 		Perl_croak(aTHX_ "IO layers (like '%.*s') unavailable", end-s, s);
 #else
+		len -= end-s;
 		s = end;
 #endif
 	    }
-- 
1.8.3.1