From: Nicholas Clark <nick@ccl4.org>
Date: Sat, 10 Jul 2004 16:00:44 +0000 (+0000)
Subject: Perl_mode_from_discipline must update len. (else SEGV)
X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=commitdiff_plain;h=18a33fb59fd6afeb2aae93e4a139e231623b401f;p=p5sagit%2Fp5-mst-13.2.git

Perl_mode_from_discipline must update len. (else SEGV)
Diagnosis and patch from clkao

p4raw-id: //depot/perl@23076
---

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
 	    }