More (less) regex/utf8 relics. (Toned down later in #11653.)

[p5sagit/p5-mst-13.2.git] / gv.c

diff --git a/gv.c b/gv.c
index e4951a0..b049218 100644 (file)
--- 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: