{
dVAR;
const I32 mgs_ix = SSNEW(sizeof(MGS));
+ bool saved = FALSE;
bool have_new = 0;
MAGIC *newmg, *head, *cur, *mg;
if (PL_localizing == 1 && sv == DEFSV) return 0;
- save_magic(mgs_ix, sv);
-
/* We must call svt_get(sv, mg) for each valid entry in the linked
list of magic. svt_get() may delete the current entry, add new
magic to the head of the list, or upgrade the SV. AMS 20010810 */
MAGIC * const nextmg = mg->mg_moremagic; /* it may delete itself */
if (!(mg->mg_flags & MGf_GSKIP) && vtbl && vtbl->svt_get) {
+
+ /* taint's mg get is so dumb it doesn't need flag saving */
+ if (!saved && mg->mg_type != PERL_MAGIC_taint) {
+ save_magic(mgs_ix, sv);
+ saved = TRUE;
+ }
+
vtbl->svt_get(aTHX_ sv, mg);
/* guard against magic having been deleted - eg FETCH calling
if (mg->mg_flags & MGf_GSKIP)
(SSPTR(mgs_ix, MGS *))->mgs_magical = 0;
}
+ else if (vtbl == &PL_vtbl_utf8) {
+ /* get-magic can reallocate the PV */
+ magic_setutf8(sv, mg);
+ }
mg = nextmg;
}
}
- restore_magic(INT2PTR(void *, (IV)mgs_ix));
+ if (saved)
+ restore_magic(INT2PTR(void *, (IV)mgs_ix));
+
return 0;
}
PERL_ARGS_ASSERT_MAGIC_REGDATA_CNT;
if (PL_curpm) {
- register const REGEXP * const rx = PM_GETRE(PL_curpm);
+ const REGEXP * const rx = PM_GETRE(PL_curpm);
if (rx) {
if (mg->mg_obj) { /* @+ */
/* return the number possible */
PERL_ARGS_ASSERT_MAGIC_REGDATUM_GET;
if (PL_curpm) {
- register const REGEXP * const rx = PM_GETRE(PL_curpm);
+ const REGEXP * const rx = PM_GETRE(PL_curpm);
if (rx) {
- register const I32 paren = mg->mg_len;
- register I32 s;
- register I32 t;
+ const I32 paren = mg->mg_len;
+ I32 s;
+ I32 t;
if (paren < 0)
return 0;
if (paren <= (I32)RX_NPARENS(rx) &&
(s = RX_OFFS(rx)[paren].start) != -1 &&
(t = RX_OFFS(rx)[paren].end) != -1)
{
- register I32 i;
+ I32 i;
if (mg->mg_obj) /* @+ */
i = t;
else /* @- */
Perl_magic_len(pTHX_ SV *sv, MAGIC *mg)
{
dVAR;
- register I32 paren;
- register I32 i;
- register const REGEXP * rx;
+ I32 paren;
+ I32 i;
+ const REGEXP * rx;
const char * const remaining = mg->mg_ptr + 1;
PERL_ARGS_ASSERT_MAGIC_LEN;
Perl_magic_get(pTHX_ SV *sv, MAGIC *mg)
{
dVAR;
- register I32 paren;
- register const char *s = NULL;
- register REGEXP *rx;
+ I32 paren;
+ const char *s = NULL;
+ REGEXP *rx;
const char * const remaining = mg->mg_ptr + 1;
const char nextchar = *remaining;
switch (*mg->mg_ptr) {
case '\001': /* ^A */
- sv_setsv(sv, PL_bodytarget);
+ if (SvOK(PL_bodytarget)) sv_copypv(sv, PL_bodytarget);
+ else sv_setsv(sv, &PL_sv_undef);
if (SvTAINTED(PL_bodytarget))
SvTAINTED_on(sv);
break;
{
dVAR;
STRLEN len = 0, klen;
- const char *s = SvOK(sv) ? SvPV_const(sv,len) : "";
- const char * const ptr = MgPV_const(mg,klen);
- my_setenv(ptr, s);
+ const char * const key = MgPV_const(mg,klen);
+ const char *s = NULL;
PERL_ARGS_ASSERT_MAGIC_SETENV;
+ SvGETMAGIC(sv);
+ if (SvOK(sv)) {
+ /* defined environment variables are byte strings; unfortunately
+ there is no SvPVbyte_force_nomg(), so we must do this piecewise */
+ (void)SvPV_force_nomg_nolen(sv);
+ sv_utf8_downgrade(sv, /* fail_ok */ TRUE);
+ if (SvUTF8(sv)) {
+ Perl_ck_warner_d(aTHX_ packWARN(WARN_UTF8), "Wide character in %s", "setenv");
+ SvUTF8_off(sv);
+ }
+ s = SvPVX(sv);
+ len = SvCUR(sv);
+ }
+ my_setenv(key, s); /* does the deed */
+
#ifdef DYNAMIC_ENV_FETCH
/* We just undefd an environment var. Is a replacement */
/* waiting in the wings? */
if (!len) {
- SV ** const valp = hv_fetch(GvHVn(PL_envgv), ptr, klen, FALSE);
+ SV ** const valp = hv_fetch(GvHVn(PL_envgv), key, klen, FALSE);
if (valp)
s = SvOK(*valp) ? SvPV_const(*valp, len) : "";
}
if (PL_tainting) {
MgTAINTEDDIR_off(mg);
#ifdef VMS
- if (s && klen == 8 && strEQ(ptr, "DCL$PATH")) {
+ if (s && klen == 8 && strEQ(key, "DCL$PATH")) {
char pathbuf[256], eltbuf[256], *cp, *elt;
int i = 0, j = 0;
} while (my_trnlnm(s, pathbuf, i++) && (elt = pathbuf));
}
#endif /* VMS */
- if (s && klen == 4 && strEQ(ptr,"PATH")) {
+ if (s && klen == 4 && strEQ(key,"PATH")) {
const char * const strend = s + len;
while (s < strend) {
sigset_t set, save;
SV* save_sv;
#endif
- register const char *s = MgPV_const(mg,len);
+ const char *s = MgPV_const(mg,len);
PERL_ARGS_ASSERT_MAGIC_SETSIG;
if (svp && SvIOKp(*svp)) {
OP * const o = INT2PTR(OP*,SvIVX(*svp));
if (o) {
+#ifdef PERL_DEBUG_READONLY_OPS
+ Slab_to_rw(OpSLAB(o));
+#endif
/* set or clear breakpoint in the relevant control op */
if (i)
o->op_flags |= OPf_SPECIAL;
else
o->op_flags &= ~OPf_SPECIAL;
+#ifdef PERL_DEBUG_READONLY_OPS
+ Slab_to_ro(OpSLAB(o));
+#endif
}
}
return 0;
pos = SvIV(sv);
if (DO_UTF8(lsv)) {
- ulen = sv_len_utf8(lsv);
+ ulen = sv_len_utf8_nomg(lsv);
if (ulen)
len = ulen;
}
pos = len;
if (ulen) {
- I32 p = pos;
- sv_pos_u2b(lsv, &p, 0);
- pos = p;
+ pos = sv_pos_u2b_flags(lsv, pos, 0, 0);
}
found->mg_len = pos;
PERL_UNUSED_ARG(mg);
if (!translate_substr_offsets(
- SvUTF8(lsv) ? sv_len_utf8(lsv) : len,
+ SvUTF8(lsv) ? sv_len_utf8_nomg(lsv) : len,
negoff ? -(IV)offs : (IV)offs, !negoff,
negrem ? -(IV)rem : (IV)rem, !negrem, &offs, &rem
)) {
Perl_ck_warner(aTHX_ packWARN(WARN_SUBSTR),
"Attempt to use reference as lvalue in substr"
);
- if (SvUTF8(lsv)) lsv_len = sv_len_utf8(lsv);
+ if (SvUTF8(lsv)) lsv_len = sv_len_utf8_nomg(lsv);
else (void)SvPV_nomg(lsv,lsv_len);
if (!translate_substr_offsets(
lsv_len,
}
int
-Perl_magic_setvstring(pTHX_ SV *sv, MAGIC *mg)
-{
- PERL_ARGS_ASSERT_MAGIC_SETVSTRING;
-
- if (SvPOKp(sv)) {
- SV * const vecsv = sv_newmortal();
- scan_vstring(mg->mg_ptr, mg->mg_ptr + mg->mg_len, vecsv);
- if (sv_eq_flags(vecsv, sv, 0 /*nomg*/)) return 0;
- }
- return sv_unmagic(sv, mg->mg_type);
-}
-
-int
Perl_magic_getdefelem(pTHX_ SV *sv, MAGIC *mg)
{
dVAR;
Perl_magic_set(pTHX_ SV *sv, MAGIC *mg)
{
dVAR;
- register const char *s;
- register I32 paren;
- register const REGEXP * rx;
+ const char *s;
+ I32 paren;
+ const REGEXP * rx;
const char * const remaining = mg->mg_ptr + 1;
I32 i;
STRLEN len;
}
break;
case '\001': /* ^A */
- sv_setsv(PL_bodytarget, sv);
+ if (SvOK(sv)) sv_copypv(PL_bodytarget, sv);
+ else SvOK_off(PL_bodytarget);
FmLINES(PL_bodytarget) = 0;
if (SvPOK(PL_bodytarget)) {
char *s = SvPVX(PL_bodytarget);
I32
Perl_whichsig_pvn(pTHX_ const char *sig, STRLEN len)
{
- register char* const* sigv;
+ char* const* sigv;
PERL_ARGS_ASSERT_WHICHSIG_PVN;
PERL_UNUSED_CONTEXT;
https://perl5.git.perl.org / perl5.git / blobdiff