* have an integral type (except char) small enough to be represented
* in a double without loss; that is, it has no 32-bit type.
*/
-#if BYTEORDER > 0xFFFF && defined(_CRAY) && !defined(_CRAYMPP)
+#if LONGSIZE > 4 && defined(_CRAY) && !defined(_CRAYMPP)
# define BW_BITS 32
# define BW_MASK ((1 << BW_BITS) - 1)
# define BW_SIGN (1 << (BW_BITS - 1))
* If they're not right on your machine, then pack() and unpack()
* wouldn't work right anyway; you'll need to apply the Cray hack.
* (I'd like to check them with #if, but you can't use sizeof() in
- * the preprocessor.)
+ * the preprocessor.) --???
+ */
+/*
+ The appropriate SHORTSIZE, INTSIZE, LONGSIZE, and LONGLONGSIZE
+ defines are now in config.h. --Andy Dougherty April 1998
*/
#define SIZE16 2
#define SIZE32 4
# define CAT32(sv,p) sv_catpvn(sv, (char*)(p), SIZE32)
#endif
+#ifndef PERL_OBJECT
static void doencodes _((SV* sv, char* s, I32 len));
static SV* refto _((SV* sv));
static U32 seed _((void));
+#endif
static bool srand_called = FALSE;
}
LvTYPE(TARG) = '.';
- LvTARG(TARG) = sv;
+ if (LvTARG(TARG) != sv) {
+ if (LvTARG(TARG))
+ SvREFCNT_dec(LvTARG(TARG));
+ LvTARG(TARG) = SvREFCNT_inc(sv);
+ }
PUSHs(TARG); /* no SvSETMAGIC */
RETURN;
}
{
djSP; dMARK;
if (GIMME != G_ARRAY) {
- MARK[1] = *SP;
- SP = MARK + 1;
+ if (++MARK <= SP)
+ *MARK = *SP;
+ else
+ *MARK = &sv_undef;
+ *MARK = refto(*MARK);
+ SP = MARK;
+ RETURN;
}
EXTEND_MORTAL(SP - MARK);
while (++MARK <= SP)
RETURN;
}
-static SV*
+STATIC SV*
refto(SV *sv)
{
SV* rv;
if (MAXARG == 1)
stash = curcop->cop_stash;
- else
- stash = gv_stashsv(POPs, TRUE);
+ else {
+ SV *ssv = POPs;
+ STRLEN len;
+ char *ptr = SvPV(ssv,len);
+ if (dowarn && len == 0)
+ warn("Explicit blessing to '' (assuming package main)");
+ stash = gv_stashpvn(ptr, len, TRUE);
+ }
(void)sv_bless(TOPs, stash);
RETURN;
{
GV *gv;
SV *sv;
- SV *ref;
+ SV *tmpRef;
char *elem;
djSP;
sv = POPs;
elem = SvPV(sv, na);
gv = (GV*)POPs;
- ref = Nullsv;
+ tmpRef = Nullsv;
sv = Nullsv;
switch (elem ? *elem : '\0')
{
case 'A':
if (strEQ(elem, "ARRAY"))
- ref = (SV*)GvAV(gv);
+ tmpRef = (SV*)GvAV(gv);
break;
case 'C':
if (strEQ(elem, "CODE"))
- ref = (SV*)GvCVu(gv);
+ tmpRef = (SV*)GvCVu(gv);
break;
case 'F':
if (strEQ(elem, "FILEHANDLE")) /* XXX deprecate in 5.005 */
- ref = (SV*)GvIOp(gv);
+ tmpRef = (SV*)GvIOp(gv);
break;
case 'G':
if (strEQ(elem, "GLOB"))
- ref = (SV*)gv;
+ tmpRef = (SV*)gv;
break;
case 'H':
if (strEQ(elem, "HASH"))
- ref = (SV*)GvHV(gv);
+ tmpRef = (SV*)GvHV(gv);
break;
case 'I':
if (strEQ(elem, "IO"))
- ref = (SV*)GvIOp(gv);
+ tmpRef = (SV*)GvIOp(gv);
break;
case 'N':
if (strEQ(elem, "NAME"))
break;
case 'S':
if (strEQ(elem, "SCALAR"))
- ref = GvSV(gv);
+ tmpRef = GvSV(gv);
break;
}
- if (ref)
- sv = newRV(ref);
+ if (tmpRef)
+ sv = newRV(tmpRef);
if (sv)
sv_2mortal(sv);
else
hv_undef((HV*)sv);
break;
case SVt_PVCV:
- if (cv_const_sv((CV*)sv))
+ if (dowarn && cv_const_sv((CV*)sv))
warn("Constant subroutine %s undefined",
CvANON((CV*)sv) ? "(anonymous)" : GvENAME(CvGV((CV*)sv)));
/* FALL THROUGH */
break;
case SVt_PVGV:
if (SvFAKE(sv))
- sv_setsv(sv, &sv_undef);
+ SvSetMagicSV(sv, &sv_undef);
+ else {
+ GP *gp;
+ gp_free((GV*)sv);
+ Newz(602, gp, 1, GP);
+ GvGP(sv) = gp_ref(gp);
+ GvSV(sv) = NEWSV(72,0);
+ GvLINE(sv) = curcop->cop_line;
+ GvEGV(sv) = (GV*)sv;
+ GvMULTI_on(sv);
+ }
break;
default:
if (SvTYPE(sv) >= SVt_PV && SvPVX(sv) && SvLEN(sv)) {
PP(pp_modulo)
{
- djSP; dATARGET; tryAMAGICbin(mod,opASSIGN);
+ djSP; dATARGET; tryAMAGICbin(modulo,opASSIGN);
{
UV left;
UV right;
PP(pp_i_modulo)
{
- djSP; dATARGET; tryAMAGICbin(mod,opASSIGN);
+ djSP; dATARGET; tryAMAGICbin(modulo,opASSIGN);
{
dPOPTOPiirl;
if (!right)
RETPUSHYES;
}
-static U32
+STATIC U32
seed(void)
{
/*
djSP; dTARGET;
SV *sv;
I32 len;
+ I32 len_ok = 0;
STRLEN curlen;
I32 pos;
I32 rem;
I32 lvalue = op->op_flags & OPf_MOD;
char *tmps;
I32 arybase = curcop->cop_arybase;
+ char *repl = 0;
+ STRLEN repl_len;
- if (MAXARG > 2)
+ SvTAINTED_off(TARG); /* decontaminate */
+ if (MAXARG > 3) {
+ /* pop off replacement string */
+ sv = POPs;
+ repl = SvPV(sv, repl_len);
+ /* pop off length */
+ sv = POPs;
+ if (SvOK(sv)) {
+ len = SvIV(sv);
+ len_ok++;
+ }
+ } else if (MAXARG == 3) {
len = POPi;
+ len_ok++;
+ }
+
pos = POPi;
sv = POPs;
+ PUTBACK;
tmps = SvPV(sv, curlen);
if (pos >= arybase) {
pos -= arybase;
rem = curlen-pos;
fail = rem;
- if (MAXARG > 2) {
+ if (len_ok) {
if (len < 0) {
rem += len;
if (rem < 0)
}
else {
pos += curlen;
- if (MAXARG < 3)
+ if (!len_ok)
rem = curlen;
else if (len >= 0) {
rem = pos+len;
rem -= pos;
}
if (fail < 0) {
- if (dowarn || lvalue)
+ if (dowarn || lvalue || repl)
warn("substr outside of string");
RETPUSHUNDEF;
}
}
LvTYPE(TARG) = 'x';
- LvTARG(TARG) = sv;
+ if (LvTARG(TARG) != sv) {
+ if (LvTARG(TARG))
+ SvREFCNT_dec(LvTARG(TARG));
+ LvTARG(TARG) = SvREFCNT_inc(sv);
+ }
LvTARGOFF(TARG) = pos;
LvTARGLEN(TARG) = rem;
}
+ else if (repl)
+ sv_insert(sv, pos, rem, repl, repl_len);
}
+ SPAGAIN;
PUSHs(TARG); /* avoid SvSETMAGIC here */
RETURN;
}
unsigned long retnum;
I32 len;
+ SvTAINTED_off(TARG); /* decontaminate */
offset *= size; /* turn into bit offset */
len = (offset + size + 7) / 8;
if (offset < 0 || size < 1)
}
LvTYPE(TARG) = 'v';
- LvTARG(TARG) = src;
+ if (LvTARG(TARG) != src) {
+ if (LvTARG(TARG))
+ SvREFCNT_dec(LvTARG(TARG));
+ LvTARG(TARG) = SvREFCNT_inc(src);
+ }
LvTARGOFF(TARG) = offset;
LvTARGLEN(TARG) = size;
}
if (SvTYPE(av) == SVt_PVAV) {
if (lval && op->op_private & OPpLVAL_INTRO) {
I32 max = -1;
- for (svp = mark + 1; svp <= sp; svp++) {
+ for (svp = MARK + 1; svp <= SP; svp++) {
elem = SvIVx(*svp);
if (elem > max)
max = elem;
PP(pp_hslice)
{
djSP; dMARK; dORIGMARK;
- register HE *he;
register HV *hv = (HV*)POPs;
register I32 lval = op->op_flags & OPf_MOD;
I32 realhv = (SvTYPE(hv) == SVt_PVHV);
SV *keysv = *MARK;
SV **svp;
if (realhv) {
- he = hv_fetch_ent(hv, keysv, lval, 0);
+ HE *he = hv_fetch_ent(hv, keysv, lval, 0);
svp = he ? &HeVAL(he) : 0;
} else {
svp = avhv_fetch_ent((AV*)hv, keysv, lval, 0);
}
if (lval) {
- if (!he || HeVAL(he) == &sv_undef)
+ if (!svp || *svp == &sv_undef)
DIE(no_helem, SvPV(keysv, na));
if (op->op_private & OPpLVAL_INTRO)
- save_helem(hv, keysv, &HeVAL(he));
+ save_helem(hv, keysv, svp);
}
- *MARK = he ? HeVAL(he) : &sv_undef;
+ *MARK = svp ? *svp : &sv_undef;
}
}
if (GIMME != G_ARRAY) {
if (MARK < SP)
sv_setsv(val, *++MARK);
else if (dowarn)
- warn("Odd number of elements in hash list");
+ warn("Odd number of elements in hash assignment");
(void)hv_store_ent(hv,key,val,0);
}
SP = ORIGMARK;
RETURN;
}
-static SV *
+STATIC SV *
mul128(SV *sv, U8 m)
{
STRLEN len;
U32 i = 0;
if (!strnEQ(s, "0000", 4)) { /* need to grow sv */
- SV *New = newSVpv("0000000000", 10);
+ SV *tmpNew = newSVpv("0000000000", 10);
- sv_catsv(New, sv);
+ sv_catsv(tmpNew, sv);
SvREFCNT_dec(sv); /* free old sv */
- sv = New;
+ sv = tmpNew;
s = SvPV(sv, len);
}
t = s + len - 1;
{
djSP;
dPOPPOPssrl;
- SV **oldsp = sp;
+ SV **oldsp = SP;
I32 gimme = GIMME_V;
SV *sv;
STRLEN llen;
Copy(s, &aint, 1, int);
s += sizeof(int);
sv = NEWSV(40, 0);
+#ifdef __osf__
+ /* Without the dummy below unpack("i", pack("i",-1))
+ * return 0xFFffFFff instead of -1 for Digital Unix V4.0
+ * cc with optimization turned on */
+ (aint) ?
+ sv_setiv(sv, (IV)aint) :
+#endif
sv_setiv(sv, (IV)aint);
PUSHs(sv_2mortal(sv));
}
checksum = 0;
}
}
- if (sp == oldsp && gimme == G_SCALAR)
+ if (SP == oldsp && gimme == G_SCALAR)
PUSHs(&sv_undef);
RETURN;
}
-static void
+STATIC void
doencodes(register SV *sv, register char *s, register I32 len)
{
char hunk[5];
sv_catpvn(sv, "\n", 1);
}
-static SV *
+STATIC SV *
is_an_int(char *s, STRLEN l)
{
SV *result = newSVpv("", l);
return (result);
}
-static int
+STATIC int
div128(SV *pnum, bool *done)
/* must be '\0' terminated */
{
djSP;
#ifdef USE_THREADS
- EXTEND(sp, 1);
+ EXTEND(SP, 1);
if (op->op_private & OPpLVAL_INTRO)
PUSHs(*save_threadsv(op->op_targ));
else