From: Jeff Pinyan <japhy@pobox.com>
Date: Mon, 16 Jul 2001 18:46:53 +0000 (-0400)
Subject: Re: [PATCH gv.c] allow ${"1f"} to be non-regex var
X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=commitdiff_plain;h=e521374caf664d14b86b1eb0931fa32b77c9367f;p=p5sagit%2Fp5-mst-13.2.git

Re: [PATCH gv.c] allow ${"1f"} to be non-regex var
Message-Id:  <Pine.GSO.4.21.0107161829390.1405-100000@crusoe.crusoe.net>

p4raw-id: //depot/perl@11394
---

diff --git a/gv.c b/gv.c
index e4951a0..b049218 100644
--- a/gv.c
+++ b/gv.c
@@ -938,6 +938,17 @@ Perl_gv_fetchpv(pTHX_ const char *nambeg, I32 add, I32 sv_type)
     case '7':
     case '8':
     case '9':
+	/* ensures variable is only digits */
+	/* ${"1foo"} fails this test (and is thus writeable) */
+	/* added by japhy, but borrowed from is_gv_magical */
+
+	if (len > 1) {
+	    const char *end = name + len;
+	    while (--end > name) {
+		if (!isDIGIT(*end)) return gv;
+	    }
+	}
+
       ro_magicalize:
 	SvREADONLY_on(GvSV(gv));
       magicalize: