From f747ebd621ca5f8cd5605b35b81db4ac486f68f9 Mon Sep 17 00:00:00 2001 From: Zefram Date: Fri, 21 Aug 2009 01:49:14 +0200 Subject: Add clear magic to %^H so that the HE chain is reset when you empty it. This fixes [perl #68590] : %^H not lexical enough. --- mg.c | 46 +++++++++++++++++++++++++++++----------------- 1 file changed, 29 insertions(+), 17 deletions(-) (limited to 'mg.c') diff --git a/mg.c b/mg.c index 5cfa8cb920..c15119fd55 100644 --- a/mg.c +++ b/mg.c @@ -2391,31 +2391,23 @@ Perl_magic_set(pTHX_ SV *sv, MAGIC *mg) const char *const start = SvPV(sv, len); const char *out = (const char*)memchr(start, '\0', len); SV *tmp; - struct refcounted_he *tmp_he; PL_compiling.cop_hints |= HINT_LEXICAL_IO_IN | HINT_LEXICAL_IO_OUT; - PL_hints - |= HINT_LOCALIZE_HH | HINT_LEXICAL_IO_IN | HINT_LEXICAL_IO_OUT; + PL_hints |= HINT_LEXICAL_IO_IN | HINT_LEXICAL_IO_OUT; /* Opening for input is more common than opening for output, so ensure that hints for input are sooner on linked list. */ tmp = out ? newSVpvn_flags(out + 1, start + len - out - 1, - SVs_TEMP | SvUTF8(sv)) - : newSVpvs_flags("", SVs_TEMP | SvUTF8(sv)); + SvUTF8(sv)) + : newSVpvs_flags("", SvUTF8(sv)); + (void)hv_stores(GvHV(PL_hintgv), "open>", tmp); + mg_set(tmp); - tmp_he - = Perl_refcounted_he_new(aTHX_ PL_compiling.cop_hints_hash, - newSVpvs_flags("open>", SVs_TEMP), - tmp); - - /* The UTF-8 setting is carried over */ - sv_setpvn(tmp, start, out ? (STRLEN)(out - start) : len); - - PL_compiling.cop_hints_hash - = Perl_refcounted_he_new(aTHX_ tmp_he, - newSVpvs_flags("open<", SVs_TEMP), - tmp); + tmp = newSVpvn_flags(start, out ? (STRLEN)(out - start) : len, + SvUTF8(sv)); + (void)hv_stores(GvHV(PL_hintgv), "open<", tmp); + mg_set(tmp); } break; case '\020': /* ^P */ @@ -3095,6 +3087,26 @@ Perl_magic_clearhint(pTHX_ SV *sv, MAGIC *mg) return 0; } +/* +=for apidoc magic_clearhints + +Triggered by clearing %^H, resets C. + +=cut +*/ +int +Perl_magic_clearhints(pTHX_ SV *sv, MAGIC *mg) +{ + PERL_ARGS_ASSERT_MAGIC_CLEARHINTS; + PERL_UNUSED_ARG(sv); + PERL_UNUSED_ARG(mg); + if (PL_compiling.cop_hints_hash) { + Perl_refcounted_he_free(aTHX_ PL_compiling.cop_hints_hash); + PL_compiling.cop_hints_hash = NULL; + } + return 0; +} + /* * Local variables: * c-indentation-style: bsd -- cgit v1.2.1