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

1 files changed, 11 insertions, 0 deletions

diff --git a/gv.c b/gv.c
index e4951a076d..b04921894f 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: