/* sv.c
*
- * Copyright (c) 1991-1994, Larry Wall
+ * Copyright (c) 1991-1997, Larry Wall
*
* You may distribute under the terms of either the GNU General Public
* License or the Artistic License, as specified in the README file.
static void del_xrv _((XRV* p));
static void sv_mortalgrow _((void));
static void sv_unglob _((SV* sv));
+static void sv_check_thinkfirst _((SV *sv));
typedef void (*SVFUNC) _((SV*));
#define new_SV(p) \
do { \
+ MUTEX_LOCK(&sv_mutex); \
(p) = (SV*)safemalloc(sizeof(SV)); \
reg_add(p); \
+ MUTEX_UNLOCK(&sv_mutex); \
} while (0)
#define del_SV(p) \
do { \
+ MUTEX_LOCK(&sv_mutex); \
reg_remove(p); \
free((char*)(p)); \
+ MUTEX_UNLOCK(&sv_mutex); \
} while (0)
static SV **registry;
--sv_count; \
} while (0)
-#define uproot_SV(p) \
+/* sv_mutex must be held while calling uproot_SV() */
+#define uproot_SV(p) \
do { \
(p) = sv_root; \
sv_root = (SV*)SvANY(p); \
++sv_count; \
} while (0)
-#define new_SV(p) \
- if (sv_root) \
- uproot_SV(p); \
- else \
- (p) = more_sv()
+#define new_SV(p) do { \
+ MUTEX_LOCK(&sv_mutex); \
+ if (sv_root) \
+ uproot_SV(p); \
+ else \
+ (p) = more_sv(); \
+ MUTEX_UNLOCK(&sv_mutex); \
+ } while (0)
#ifdef DEBUGGING
-#define del_SV(p) \
- if (debug & 32768) \
- del_sv(p); \
- else \
- plant_SV(p)
+#define del_SV(p) do { \
+ MUTEX_LOCK(&sv_mutex); \
+ if (debug & 32768) \
+ del_sv(p); \
+ else \
+ plant_SV(p); \
+ MUTEX_UNLOCK(&sv_mutex); \
+ } while (0)
static void
-del_sv(p)
-SV* p;
+del_sv(SV *p)
{
if (debug & 32768) {
SV* sva;
#endif /* DEBUGGING */
void
-sv_add_arena(ptr, size, flags)
-char* ptr;
-U32 size;
-U32 flags;
+sv_add_arena(char *ptr, U32 size, U32 flags)
{
SV* sva = (SV*)ptr;
register SV* sv;
SvFLAGS(sv) = SVTYPEMASK;
}
+/* sv_mutex must be held while calling more_sv() */
static SV*
-more_sv()
+more_sv(void)
{
register SV* sv;
}
static void
-visit(f)
-SVFUNC f;
+visit(SVFUNC f)
{
SV* sva;
SV* sv;
#endif /* PURIFY */
static void
-do_report_used(sv)
-SV* sv;
+do_report_used(SV *sv)
{
if (SvTYPE(sv) != SVTYPEMASK) {
/* XXX Perhaps this ought to go to Perl_debug_log, if DEBUGGING. */
}
void
-sv_report_used()
+sv_report_used(void)
{
visit(do_report_used);
}
static void
-do_clean_objs(sv)
-SV* sv;
+do_clean_objs(SV *sv)
{
SV* rv;
#ifndef DISABLE_DESTRUCTOR_KLUDGE
static void
-do_clean_named_objs(sv)
-SV* sv;
+do_clean_named_objs(SV *sv)
{
if (SvTYPE(sv) == SVt_PVGV && GvSV(sv))
do_clean_objs(GvSV(sv));
}
#endif
+static bool in_clean_objs = FALSE;
+
void
-sv_clean_objs()
+sv_clean_objs(void)
{
+ in_clean_objs = TRUE;
#ifndef DISABLE_DESTRUCTOR_KLUDGE
visit(do_clean_named_objs);
#endif
visit(do_clean_objs);
+ in_clean_objs = FALSE;
}
static void
-do_clean_all(sv)
-SV* sv;
+do_clean_all(SV *sv)
{
DEBUG_D((PerlIO_printf(Perl_debug_log, "Cleaning loops:\n "), sv_dump(sv));)
SvFLAGS(sv) |= SVf_BREAK;
SvREFCNT_dec(sv);
}
-static int in_clean_all = 0;
+static bool in_clean_all = FALSE;
void
-sv_clean_all()
+sv_clean_all(void)
{
- in_clean_all = 1;
+ in_clean_all = TRUE;
visit(do_clean_all);
- in_clean_all = 0;
+ in_clean_all = FALSE;
}
void
-sv_free_arenas()
+sv_free_arenas(void)
{
SV* sva;
SV* svanext;
if (!SvFAKE(sva))
Safefree((void *)sva);
}
+
+ sv_arenaroot = 0;
+ sv_root = 0;
}
static XPVIV*
-new_xiv()
+new_xiv(void)
{
IV** xiv;
if (xiv_root) {
}
static void
-del_xiv(p)
-XPVIV* p;
+del_xiv(XPVIV *p)
{
IV** xiv = (IV**)((char*)(p) + sizeof(XPV));
*xiv = (IV *)xiv_root;
}
static XPVIV*
-more_xiv()
+more_xiv(void)
{
register IV** xiv;
register IV** xivend;
}
static XPVNV*
-new_xnv()
+new_xnv(void)
{
double* xnv;
if (xnv_root) {
}
static void
-del_xnv(p)
-XPVNV* p;
+del_xnv(XPVNV *p)
{
double* xnv = (double*)((char*)(p) + sizeof(XPVIV));
*(double**)xnv = xnv_root;
}
static XPVNV*
-more_xnv()
+more_xnv(void)
{
register double* xnv;
register double* xnvend;
}
static XRV*
-new_xrv()
+new_xrv(void)
{
XRV* xrv;
if (xrv_root) {
}
static void
-del_xrv(p)
-XRV* p;
+del_xrv(XRV *p)
{
p->xrv_rv = (SV*)xrv_root;
xrv_root = p;
}
static XRV*
-more_xrv()
+more_xrv(void)
{
register XRV* xrv;
register XRV* xrvend;
}
static XPV*
-new_xpv()
+new_xpv(void)
{
XPV* xpv;
if (xpv_root) {
}
static void
-del_xpv(p)
-XPV* p;
+del_xpv(XPV *p)
{
p->xpv_pv = (char*)xpv_root;
xpv_root = p;
}
static XPV*
-more_xpv()
+more_xpv(void)
{
register XPV* xpv;
register XPV* xpvend;
#define del_XIV(p) free((char*)p)
#else
#define new_XIV() (void*)new_xiv()
-#define del_XIV(p) del_xiv(p)
+#define del_XIV(p) del_xiv((XPVIV*) p)
#endif
#ifdef PURIFY
#define del_XNV(p) free((char*)p)
#else
#define new_XNV() (void*)new_xnv()
-#define del_XNV(p) del_xnv(p)
+#define del_XNV(p) del_xnv((XPVNV*) p)
#endif
#ifdef PURIFY
#define del_XRV(p) free((char*)p)
#else
#define new_XRV() (void*)new_xrv()
-#define del_XRV(p) del_xrv(p)
+#define del_XRV(p) del_xrv((XRV*) p)
#endif
#ifdef PURIFY
#define del_XPV(p) free((char*)p)
#else
#define new_XPV() (void*)new_xpv()
-#define del_XPV(p) del_xpv(p)
+#define del_XPV(p) del_xpv((XPV *)p)
#endif
#define new_XPVIV() (void*)safemalloc(sizeof(XPVIV))
#define del_XPVIO(p) free((char*)p)
bool
-sv_upgrade(sv, mt)
-register SV* sv;
-U32 mt;
+sv_upgrade(register SV *sv, U32 mt)
{
char* pv;
U32 cur;
#ifdef DEBUGGING
char *
-sv_peek(sv)
-register SV *sv;
+sv_peek(SV *sv)
{
- char *t = tokenbuf;
+ SV *t = sv_newmortal();
+ STRLEN prevlen;
int unref = 0;
+ sv_setpvn(t, "", 0);
retry:
if (!sv) {
- strcpy(t, "VOID");
+ sv_catpv(t, "VOID");
goto finish;
}
else if (sv == (SV*)0x55555555 || SvTYPE(sv) == 'U') {
- strcpy(t, "WILD");
+ sv_catpv(t, "WILD");
goto finish;
}
else if (sv == &sv_undef || sv == &sv_no || sv == &sv_yes) {
if (sv == &sv_undef) {
- strcpy(t, "SV_UNDEF");
+ sv_catpv(t, "SV_UNDEF");
if (!(SvFLAGS(sv) & (SVf_OK|SVf_OOK|SVs_OBJECT|
SVs_GMG|SVs_SMG|SVs_RMG)) &&
SvREADONLY(sv))
goto finish;
}
else if (sv == &sv_no) {
- strcpy(t, "SV_NO");
+ sv_catpv(t, "SV_NO");
if (!(SvFLAGS(sv) & (SVf_ROK|SVf_OOK|SVs_OBJECT|
SVs_GMG|SVs_SMG|SVs_RMG)) &&
!(~SvFLAGS(sv) & (SVf_POK|SVf_NOK|SVf_READONLY|
goto finish;
}
else {
- strcpy(t, "SV_YES");
+ sv_catpv(t, "SV_YES");
if (!(SvFLAGS(sv) & (SVf_ROK|SVf_OOK|SVs_OBJECT|
SVs_GMG|SVs_SMG|SVs_RMG)) &&
!(~SvFLAGS(sv) & (SVf_POK|SVf_NOK|SVf_READONLY|
SvNVX(sv) == 1.0)
goto finish;
}
- t += strlen(t);
- *t++ = ':';
+ sv_catpv(t, ":");
}
else if (SvREFCNT(sv) == 0) {
- *t++ = '(';
+ sv_catpv(t, "(");
unref++;
}
if (SvROK(sv)) {
- *t++ = '\\';
- if (t - tokenbuf + unref > 10) {
- strcpy(tokenbuf + unref + 3,"...");
+ sv_catpv(t, "\\");
+ if (SvCUR(t) + unref > 10) {
+ SvCUR(t) = unref + 3;
+ *SvEND(t) = '\0';
+ sv_catpv(t, "...");
goto finish;
}
sv = (SV*)SvRV(sv);
}
switch (SvTYPE(sv)) {
default:
- strcpy(t,"FREED");
+ sv_catpv(t, "FREED");
goto finish;
case SVt_NULL:
- strcpy(t,"UNDEF");
- return tokenbuf;
+ sv_catpv(t, "UNDEF");
+ goto finish;
case SVt_IV:
- strcpy(t,"IV");
+ sv_catpv(t, "IV");
break;
case SVt_NV:
- strcpy(t,"NV");
+ sv_catpv(t, "NV");
break;
case SVt_RV:
- strcpy(t,"RV");
+ sv_catpv(t, "RV");
break;
case SVt_PV:
- strcpy(t,"PV");
+ sv_catpv(t, "PV");
break;
case SVt_PVIV:
- strcpy(t,"PVIV");
+ sv_catpv(t, "PVIV");
break;
case SVt_PVNV:
- strcpy(t,"PVNV");
+ sv_catpv(t, "PVNV");
break;
case SVt_PVMG:
- strcpy(t,"PVMG");
+ sv_catpv(t, "PVMG");
break;
case SVt_PVLV:
- strcpy(t,"PVLV");
+ sv_catpv(t, "PVLV");
break;
case SVt_PVAV:
- strcpy(t,"AV");
+ sv_catpv(t, "AV");
break;
case SVt_PVHV:
- strcpy(t,"HV");
+ sv_catpv(t, "HV");
break;
case SVt_PVCV:
if (CvGV(sv))
- sprintf(t, "CV(%s)", GvNAME(CvGV(sv)));
+ sv_catpvf(t, "CV(%s)", GvNAME(CvGV(sv)));
else
- strcpy(t, "CV()");
+ sv_catpv(t, "CV()");
goto finish;
case SVt_PVGV:
- strcpy(t,"GV");
+ sv_catpv(t, "GV");
break;
case SVt_PVBM:
- strcpy(t,"BM");
+ sv_catpv(t, "BM");
break;
case SVt_PVFM:
- strcpy(t,"FM");
+ sv_catpv(t, "FM");
break;
case SVt_PVIO:
- strcpy(t,"IO");
+ sv_catpv(t, "IO");
break;
}
- t += strlen(t);
if (SvPOKp(sv)) {
if (!SvPVX(sv))
- strcpy(t, "(null)");
+ sv_catpv(t, "(null)");
if (SvOOK(sv))
- sprintf(t,"(%ld+\"%.127s\")",(long)SvIVX(sv),SvPVX(sv));
+ sv_catpvf(t, "(%ld+\"%.127s\")",(long)SvIVX(sv),SvPVX(sv));
else
- sprintf(t,"(\"%.127s\")",SvPVX(sv));
+ sv_catpvf(t, "(\"%.127s\")",SvPVX(sv));
}
else if (SvNOKp(sv)) {
SET_NUMERIC_STANDARD();
- sprintf(t,"(%g)",SvNVX(sv));
+ sv_catpvf(t, "(%g)",SvNVX(sv));
}
else if (SvIOKp(sv))
- sprintf(t,"(%ld)",(long)SvIVX(sv));
+ sv_catpvf(t, "(%ld)",(long)SvIVX(sv));
else
- strcpy(t,"()");
+ sv_catpv(t, "()");
finish:
if (unref) {
- t += strlen(t);
while (unref--)
- *t++ = ')';
- *t = '\0';
+ sv_catpv(t, ")");
}
- return tokenbuf;
+ return SvPV(t, na);
}
#endif
int
-sv_backoff(sv)
-register SV *sv;
+sv_backoff(register SV *sv)
{
assert(SvOOK(sv));
if (SvIVX(sv)) {
}
char *
-sv_grow(sv,newlen)
-register SV *sv;
#ifndef DOSISH
-register I32 newlen;
+sv_grow(register SV *sv, register I32 newlen)
#else
-unsigned long newlen;
+sv_grow(SV* sv, unsigned long newlen)
#endif
{
register char *s;
}
void
-sv_setiv(sv,i)
-register SV *sv;
-IV i;
+sv_setiv(register SV *sv, IV i)
{
- if (SvTHINKFIRST(sv)) {
- if (SvREADONLY(sv) && curcop != &compiling)
- croak(no_modify);
- if (SvROK(sv))
- sv_unref(sv);
- }
+ sv_check_thinkfirst(sv);
switch (SvTYPE(sv)) {
case SVt_NULL:
sv_upgrade(sv, SVt_IV);
case SVt_PVCV:
case SVt_PVFM:
case SVt_PVIO:
- croak("Can't coerce %s to integer in %s", sv_reftype(sv,0),
- op_name[op->op_type]);
+ {
+ dTHR;
+ croak("Can't coerce %s to integer in %s", sv_reftype(sv,0),
+ op_desc[op->op_type]);
+ }
}
(void)SvIOK_only(sv); /* validate number */
SvIVX(sv) = i;
}
void
-sv_setuv(sv,u)
-register SV *sv;
-UV u;
+sv_setuv(register SV *sv, UV u)
{
if (u <= IV_MAX)
sv_setiv(sv, u);
}
void
-sv_setnv(sv,num)
-register SV *sv;
-double num;
+sv_setnv(register SV *sv, double num)
{
- if (SvTHINKFIRST(sv)) {
- if (SvREADONLY(sv) && curcop != &compiling)
- croak(no_modify);
- if (SvROK(sv))
- sv_unref(sv);
- }
+ sv_check_thinkfirst(sv);
switch (SvTYPE(sv)) {
case SVt_NULL:
case SVt_IV:
case SVt_PVCV:
case SVt_PVFM:
case SVt_PVIO:
- croak("Can't coerce %s to number in %s", sv_reftype(sv,0),
- op_name[op->op_type]);
+ {
+ dTHR;
+ croak("Can't coerce %s to number in %s", sv_reftype(sv,0),
+ op_name[op->op_type]);
+ }
}
SvNVX(sv) = num;
(void)SvNOK_only(sv); /* validate number */
}
static void
-not_a_number(sv)
-SV *sv;
+not_a_number(SV *sv)
{
+ dTHR;
char tmpbuf[64];
char *d = tmpbuf;
char *s;
- int i;
+ char *limit = tmpbuf + sizeof(tmpbuf) - 8;
+ /* each *s can expand to 4 chars + "...\0",
+ i.e. need room for 8 chars */
- for (s = SvPVX(sv), i = 50; *s && i; s++,i--) {
+ for (s = SvPVX(sv); *s && d < limit; s++) {
int ch = *s & 0xFF;
if (ch & 128 && !isPRINT_LC(ch)) {
*d++ = 'M';
}
IV
-sv_2iv(sv)
-register SV *sv;
+sv_2iv(register SV *sv)
{
if (!sv)
return 0;
}
if (SvPOKp(sv) && SvLEN(sv))
return asIV(sv);
- if (!SvROK(sv))
+ if (!SvROK(sv)) {
+ dTHR; /* just for localizing */
+ if (dowarn && !localizing && !(SvFLAGS(sv) & SVs_PADTMP))
+ warn(warn_uninit);
return 0;
+ }
}
if (SvTHINKFIRST(sv)) {
if (SvROK(sv)) {
switch (SvTYPE(sv)) {
case SVt_NULL:
sv_upgrade(sv, SVt_IV);
- return SvIVX(sv);
+ break;
case SVt_PV:
sv_upgrade(sv, SVt_PVIV);
break;
SvIVX(sv) = asIV(sv);
}
else {
+ dTHR;
if (dowarn && !localizing && !(SvFLAGS(sv) & SVs_PADTMP))
warn(warn_uninit);
return 0;
}
UV
-sv_2uv(sv)
-register SV *sv;
+sv_2uv(register SV *sv)
{
if (!sv)
return 0;
return U_V(SvNVX(sv));
if (SvPOKp(sv) && SvLEN(sv))
return asUV(sv);
- if (!SvROK(sv))
+ if (!SvROK(sv)) {
+ dTHR; /* just for localizing */
+ if (dowarn && !localizing && !(SvFLAGS(sv) & SVs_PADTMP))
+ warn(warn_uninit);
return 0;
+ }
}
if (SvTHINKFIRST(sv)) {
if (SvROK(sv)) {
switch (SvTYPE(sv)) {
case SVt_NULL:
sv_upgrade(sv, SVt_IV);
- return SvUVX(sv);
+ break;
case SVt_PV:
sv_upgrade(sv, SVt_PVIV);
break;
SvUVX(sv) = asUV(sv);
}
else {
+ dTHR; /* just for localizing */
if (dowarn && !localizing && !(SvFLAGS(sv) & SVs_PADTMP))
warn(warn_uninit);
return 0;
}
double
-sv_2nv(sv)
-register SV *sv;
+sv_2nv(register SV *sv)
{
if (!sv)
return 0.0;
if (SvIOKp(sv))
return (double)SvIVX(sv);
if (!SvROK(sv)) {
+ dTHR; /* just for localizing */
+ if (dowarn && !localizing && !(SvFLAGS(sv) & SVs_PADTMP))
+ warn(warn_uninit);
return 0;
}
}
SvNVX(sv) = atof(SvPVX(sv));
}
else {
+ dTHR;
if (dowarn && !localizing && !(SvFLAGS(sv) & SVs_PADTMP))
warn(warn_uninit);
return 0.0;
}
static IV
-asIV(sv)
-SV *sv;
+asIV(SV *sv)
{
I32 numtype = looks_like_number(sv);
double d;
}
static UV
-asUV(sv)
-SV *sv;
+asUV(SV *sv)
{
I32 numtype = looks_like_number(sv);
+#ifdef HAS_STRTOUL
if (numtype == 1)
- return atol(SvPVX(sv));
+ return strtoul(SvPVX(sv), Null(char**), 10);
+#endif
if (!numtype && dowarn)
not_a_number(sv);
SET_NUMERIC_STANDARD();
}
I32
-looks_like_number(sv)
-SV *sv;
+looks_like_number(SV *sv)
{
register char *s;
register char *send;
register char *sbegin;
- I32 numtype = 1;
+ I32 numtype;
STRLEN len;
if (SvPOK(sv)) {
s = sbegin;
while (isSPACE(*s))
s++;
- if (s >= send)
- return 0;
if (*s == '+' || *s == '-')
s++;
- while (isDIGIT(*s))
- s++;
- if (s == send)
- return numtype;
- if (*s == '.') {
- numtype = 1;
- s++;
+
+ /* next must be digit or '.' */
+ if (isDIGIT(*s)) {
+ do {
+ s++;
+ } while (isDIGIT(*s));
+ if (*s == '.') {
+ s++;
+ while (isDIGIT(*s)) /* optional digits after "." */
+ s++;
+ }
}
- else if (s == SvPVX(sv))
- return 0;
- while (isDIGIT(*s))
- s++;
- if (s == send)
- return numtype;
+ else if (*s == '.') {
+ s++;
+ /* no digits before '.' means we need digits after it */
+ if (isDIGIT(*s)) {
+ do {
+ s++;
+ } while (isDIGIT(*s));
+ }
+ else
+ return 0;
+ }
+ else
+ return 0;
+
+ /*
+ * we return 1 if the number can be converted to _integer_ with atol()
+ * and 2 if you need (int)atof().
+ */
+ numtype = 1;
+
+ /* we can have an optional exponent part */
if (*s == 'e' || *s == 'E') {
numtype = 2;
s++;
if (*s == '+' || *s == '-')
s++;
- while (isDIGIT(*s))
- s++;
+ if (isDIGIT(*s)) {
+ do {
+ s++;
+ } while (isDIGIT(*s));
+ }
+ else
+ return 0;
}
while (isSPACE(*s))
s++;
}
char *
-sv_2pv(sv, lp)
-register SV *sv;
-STRLEN *lp;
+sv_2pv(register SV *sv, STRLEN *lp)
{
register char *s;
int olderrno;
+ SV *tsv;
+ char tmpbuf[64]; /* Must fit sprintf/Gconvert of longest IV/NV */
if (!sv) {
*lp = 0;
return SvPVX(sv);
}
if (SvIOKp(sv)) {
- (void)sprintf(tokenbuf,"%ld",(long)SvIVX(sv));
+ (void)sprintf(tmpbuf,"%ld",(long)SvIVX(sv));
+ tsv = Nullsv;
goto tokensave;
}
if (SvNOKp(sv)) {
SET_NUMERIC_STANDARD();
- Gconvert(SvNVX(sv), DBL_DIG, 0, tokenbuf);
+ Gconvert(SvNVX(sv), DBL_DIG, 0, tmpbuf);
+ tsv = Nullsv;
goto tokensave;
}
if (!SvROK(sv)) {
+ dTHR; /* just for localizing */
+ if (dowarn && !localizing && !(SvFLAGS(sv) & SVs_PADTMP))
+ warn(warn_uninit);
*lp = 0;
return "";
}
case SVt_PVIO: s = "IO"; break;
default: s = "UNKNOWN"; break;
}
+ tsv = NEWSV(0,0);
if (SvOBJECT(sv))
- sprintf(tokenbuf, "%s=%s(0x%lx)",
- HvNAME(SvSTASH(sv)), s, (unsigned long)sv);
+ sv_setpvf(tsv, "%s=%s", HvNAME(SvSTASH(sv)), s);
else
- sprintf(tokenbuf, "%s(0x%lx)", s, (unsigned long)sv);
+ sv_setpv(tsv, s);
+ sv_catpvf(tsv, "(0x%lx)", (unsigned long)sv);
goto tokensaveref;
}
*lp = strlen(s);
if (SvREADONLY(sv)) {
if (SvNOKp(sv)) {
SET_NUMERIC_STANDARD();
- Gconvert(SvNVX(sv), DBL_DIG, 0, tokenbuf);
+ Gconvert(SvNVX(sv), DBL_DIG, 0, tmpbuf);
+ tsv = Nullsv;
goto tokensave;
}
if (SvIOKp(sv)) {
- (void)sprintf(tokenbuf,"%ld",(long)SvIVX(sv));
+ (void)sprintf(tmpbuf,"%ld",(long)SvIVX(sv));
+ tsv = Nullsv;
goto tokensave;
}
if (dowarn)
while (*s) s++;
#ifdef hcx
if (s[-1] == '.')
- s--;
+ *--s = '\0';
#endif
}
else if (SvIOKp(sv)) {
+ U32 oldIOK = SvIOK(sv);
if (SvTYPE(sv) < SVt_PVIV)
sv_upgrade(sv, SVt_PVIV);
- SvGROW(sv, 11);
- s = SvPVX(sv);
olderrno = errno; /* some Xenix systems wipe out errno here */
- (void)sprintf(s,"%ld",(long)SvIVX(sv));
+ sv_setpviv(sv, SvIVX(sv));
errno = olderrno;
- while (*s) s++;
+ s = SvEND(sv);
+ if (oldIOK)
+ SvIOK_on(sv);
+ else
+ SvIOKp_on(sv);
}
else {
+ dTHR;
if (dowarn && !localizing && !(SvFLAGS(sv) & SVs_PADTMP))
warn(warn_uninit);
*lp = 0;
return "";
}
- *s = '\0';
*lp = s - SvPVX(sv);
SvCUR_set(sv, *lp);
SvPOK_on(sv);
/* Sneaky stuff here */
tokensaveref:
- sv = sv_newmortal();
- *lp = strlen(tokenbuf);
- sv_setpvn(sv, tokenbuf, *lp);
- return SvPVX(sv);
+ if (!tsv)
+ tsv = newSVpv(tmpbuf, 0);
+ sv_2mortal(tsv);
+ *lp = SvCUR(tsv);
+ return SvPVX(tsv);
}
else {
STRLEN len;
-
+ char *t;
+
+ if (tsv) {
+ sv_2mortal(tsv);
+ t = SvPVX(tsv);
+ len = SvCUR(tsv);
+ }
+ else {
+ t = tmpbuf;
+ len = strlen(tmpbuf);
+ }
#ifdef FIXNEGATIVEZERO
- if (*tokenbuf == '-' && tokenbuf[1] == '0' && !tokenbuf[2])
- strcpy(tokenbuf,"0");
+ if (len == 2 && t[0] == '-' && t[1] == '0') {
+ t = "0";
+ len = 1;
+ }
#endif
(void)SvUPGRADE(sv, SVt_PV);
- len = *lp = strlen(tokenbuf);
+ *lp = len;
s = SvGROW(sv, len + 1);
SvCUR_set(sv, len);
- (void)strcpy(s, tokenbuf);
+ (void)strcpy(s, t);
SvPOKp_on(sv);
return s;
}
/* This function is only called on magical items */
bool
-sv_2bool(sv)
-register SV *sv;
+sv_2bool(register SV *sv)
{
if (SvGMAGICAL(sv))
mg_get(sv);
if (SvROK(sv)) {
#ifdef OVERLOAD
{
+ dTHR;
SV* tmpsv;
if (SvAMAGIC(sv) && (tmpsv = AMG_CALLun(sv,bool_)))
return SvTRUE(tmpsv);
return SvRV(sv) != 0;
}
if (SvPOKp(sv)) {
- register XPV* Xpv;
- if ((Xpv = (XPV*)SvANY(sv)) &&
- (*Xpv->xpv_pv > '0' ||
- Xpv->xpv_cur > 1 ||
- (Xpv->xpv_cur && *Xpv->xpv_pv != '0')))
+ register XPV* Xpvtmp;
+ if ((Xpvtmp = (XPV*)SvANY(sv)) &&
+ (*Xpvtmp->xpv_pv > '0' ||
+ Xpvtmp->xpv_cur > 1 ||
+ (Xpvtmp->xpv_cur && *Xpvtmp->xpv_pv != '0')))
return 1;
else
return 0;
*/
void
-sv_setsv(dstr,sstr)
-SV *dstr;
-register SV *sstr;
+sv_setsv(SV *dstr, register SV *sstr)
{
+ dTHR;
register U32 sflags;
register int dtype;
register int stype;
if (sstr == dstr)
return;
- if (SvTHINKFIRST(dstr)) {
- if (SvREADONLY(dstr) && curcop != &compiling)
- croak(no_modify);
- if (SvROK(dstr))
- sv_unref(dstr);
- }
+ sv_check_thinkfirst(dstr);
if (!sstr)
sstr = &sv_undef;
stype = SvTYPE(sstr);
}
break;
case SVt_PV:
+ case SVt_PVFM:
if (dtype < SVt_PV)
sv_upgrade(dstr, SVt_PV);
break;
GvNAMELEN(dstr) = len;
SvFAKE_on(dstr); /* can coerce to non-glob */
}
+ /* ahem, death to those who redefine active sort subs */
+ else if (curstack == sortstack
+ && GvCV(dstr) && sortcop == CvSTART(GvCV(dstr)))
+ croak("Can't redefine active sort subroutine %s",
+ GvNAME(dstr));
(void)SvOK_off(dstr);
GvINTRO_off(dstr); /* one-shot flag */
gp_free((GV*)dstr);
/* FALL THROUGH */
default:
+ if (SvGMAGICAL(sstr)) {
+ mg_get(sstr);
+ if (SvTYPE(sstr) != stype) {
+ stype = SvTYPE(sstr);
+ if (stype == SVt_PVGV && dtype <= SVt_PVGV)
+ goto glob_assign;
+ }
+ }
if (dtype < stype)
sv_upgrade(dstr, stype);
- if (SvGMAGICAL(sstr))
- mg_get(sstr);
}
sflags = SvFLAGS(sstr);
if (sflags & SVf_ROK) {
if (dtype >= SVt_PV) {
if (dtype == SVt_PVGV) {
+ dTHR;
SV *sref = SvREFCNT_inc(SvRV(sstr));
SV *dref = 0;
int intro = GvINTRO(dstr);
GvGP(dstr)->gp_refcnt--;
GvINTRO_off(dstr); /* one-shot flag */
Newz(602,gp, 1, GP);
- GvGP(dstr) = gp;
- GvREFCNT(dstr) = 1;
+ GvGP(dstr) = gp_ref(gp);
GvSV(dstr) = NEWSV(72,0);
GvLINE(dstr) = curcop->cop_line;
GvEGV(dstr) = (GV*)dstr;
GvIMPORTED_HV_on(dstr);
break;
case SVt_PVCV:
- if (intro)
+ if (intro) {
+ if (GvCVGEN(dstr) && GvCV(dstr) != (CV*)sref) {
+ SvREFCNT_dec(GvCV(dstr));
+ GvCV(dstr) = Nullcv;
+ GvCVGEN(dstr) = 0; /* Switch off cacheness. */
+ sub_generation++;
+ }
SAVESPTR(GvCV(dstr));
- else {
+ }
+ else
+ dref = (SV*)GvCV(dstr);
+ if (GvCV(dstr) != (CV*)sref) {
CV* cv = GvCV(dstr);
if (cv) {
- dref = (SV*)cv;
- if (dowarn && sref != dref &&
- !GvCVGEN((GV*)dstr) &&
- (CvROOT(cv) || CvXSUB(cv)) )
- warn("Subroutine %s redefined",
- GvENAME((GV*)dstr));
- SvFAKE_on(cv);
+ if (!GvCVGEN((GV*)dstr) &&
+ (CvROOT(cv) || CvXSUB(cv)))
+ {
+ /* ahem, death to those who redefine
+ * active sort subs */
+ if (curstack == sortstack &&
+ sortcop == CvSTART(cv))
+ croak(
+ "Can't redefine active sort subroutine %s",
+ GvENAME((GV*)dstr));
+ if (cv_const_sv(cv))
+ warn("Constant subroutine %s redefined",
+ GvENAME((GV*)dstr));
+ else if (dowarn)
+ warn("Subroutine %s redefined",
+ GvENAME((GV*)dstr));
+ }
+ cv_ckproto(cv, (GV*)dstr,
+ SvPOK(sref) ? SvPVX(sref) : Nullch);
}
- }
- if (GvCV(dstr) != (CV*)sref) {
GvCV(dstr) = (CV*)sref;
+ GvCVGEN(dstr) = 0; /* Switch off cacheness. */
GvASSUMECV_on(dstr);
+ sub_generation++;
}
if (curcop->cop_stash != GvSTASH(dstr))
GvIMPORTED_CV_on(dstr);
}
void
-sv_setpvn(sv,ptr,len)
-register SV *sv;
-register char *ptr;
-register STRLEN len;
+sv_setpvn(register SV *sv, register const char *ptr, register STRLEN len)
{
assert(len >= 0); /* STRLEN is probably unsigned, so this may
elicit a warning, but it won't hurt. */
- if (SvTHINKFIRST(sv)) {
- if (SvREADONLY(sv) && curcop != &compiling)
- croak(no_modify);
- if (SvROK(sv))
- sv_unref(sv);
- }
+ sv_check_thinkfirst(sv);
if (!ptr) {
(void)SvOK_off(sv);
return;
}
void
-sv_setpv(sv,ptr)
-register SV *sv;
-register char *ptr;
+sv_setpv(register SV *sv, register const char *ptr)
{
register STRLEN len;
- if (SvTHINKFIRST(sv)) {
- if (SvREADONLY(sv) && curcop != &compiling)
- croak(no_modify);
- if (SvROK(sv))
- sv_unref(sv);
- }
+ sv_check_thinkfirst(sv);
if (!ptr) {
(void)SvOK_off(sv);
return;
}
void
-sv_usepvn(sv,ptr,len)
-register SV *sv;
-register char *ptr;
-register STRLEN len;
+sv_usepvn(register SV *sv, register char *ptr, register STRLEN len)
{
- if (SvTHINKFIRST(sv)) {
- if (SvREADONLY(sv) && curcop != &compiling)
- croak(no_modify);
- if (SvROK(sv))
- sv_unref(sv);
- }
+ sv_check_thinkfirst(sv);
if (!SvUPGRADE(sv, SVt_PV))
return;
if (!ptr) {
SvTAINT(sv);
}
+static void
+sv_check_thinkfirst(register SV *sv)
+{
+ if (SvTHINKFIRST(sv)) {
+ if (SvREADONLY(sv)) {
+ dTHR;
+ if (curcop != &compiling)
+ croak(no_modify);
+ }
+ if (SvROK(sv))
+ sv_unref(sv);
+ }
+}
+
void
-sv_chop(sv,ptr) /* like set but assuming ptr is in sv */
-register SV *sv;
-register char *ptr;
+sv_chop(register SV *sv, register char *ptr) /* like set but assuming ptr is in sv */
+
+
{
register STRLEN delta;
if (!ptr || !SvPOKp(sv))
return;
- if (SvTHINKFIRST(sv)) {
- if (SvREADONLY(sv) && curcop != &compiling)
- croak(no_modify);
- if (SvROK(sv))
- sv_unref(sv);
- }
+ sv_check_thinkfirst(sv);
if (SvTYPE(sv) < SVt_PVIV)
sv_upgrade(sv,SVt_PVIV);
}
void
-sv_catpvn(sv,ptr,len)
-register SV *sv;
-register char *ptr;
-register STRLEN len;
+sv_catpvn(register SV *sv, register char *ptr, register STRLEN len)
{
STRLEN tlen;
char *junk;
}
void
-sv_catsv(dstr,sstr)
-SV *dstr;
-register SV *sstr;
+sv_catsv(SV *dstr, register SV *sstr)
{
char *s;
STRLEN len;
}
void
-sv_catpv(sv,ptr)
-register SV *sv;
-register char *ptr;
+sv_catpv(register SV *sv, register char *ptr)
{
register STRLEN len;
STRLEN tlen;
newSV(x,len)
I32 x;
#else
-newSV(len)
+newSV(STRLEN len)
#endif
-STRLEN len;
+
{
register SV *sv;
/* name is assumed to contain an SV* if (name && namelen == HEf_SVKEY) */
void
-sv_magic(sv, obj, how, name, namlen)
-register SV *sv;
-SV *obj;
-int how;
-char *name;
-I32 namlen;
+sv_magic(register SV *sv, SV *obj, int how, char *name, I32 namlen)
{
MAGIC* mg;
- if (SvREADONLY(sv) && curcop != &compiling && !strchr("gBf", how))
- croak(no_modify);
+ if (SvREADONLY(sv)) {
+ dTHR;
+ if (curcop != &compiling && !strchr("gBf", how))
+ croak(no_modify);
+ }
if (SvMAGICAL(sv) || (how == 't' && SvTYPE(sv) >= SVt_PVMG)) {
if (SvMAGIC(sv) && (mg = mg_find(sv, how))) {
if (how == 't')
if (!obj || obj == sv || how == '#')
mg->mg_obj = obj;
else {
+ dTHR;
mg->mg_obj = SvREFCNT_inc(obj);
mg->mg_flags |= MGf_REFCOUNTED;
}
if (name)
if (namlen >= 0)
mg->mg_ptr = savepvn(name, namlen);
- else if (namlen == HEf_SVKEY)
+ else if (namlen == HEf_SVKEY) {
+ dTHR; /* just for SvREFCNT_inc */
mg->mg_ptr = (char*)SvREFCNT_inc((SV*)name);
+ }
switch (how) {
case 0:
case 'l':
mg->mg_virtual = &vtbl_dbline;
break;
+#ifdef USE_THREADS
+ case 'm':
+ mg->mg_virtual = &vtbl_mutex;
+ break;
+#endif /* USE_THREADS */
#ifdef USE_LOCALE_COLLATE
case 'o':
mg->mg_virtual = &vtbl_collxfrm;
case 'x':
mg->mg_virtual = &vtbl_substr;
break;
+ case 'y':
+ mg->mg_virtual = &vtbl_defelem;
+ break;
case '*':
mg->mg_virtual = &vtbl_glob;
break;
}
int
-sv_unmagic(sv, type)
-SV* sv;
-int type;
+sv_unmagic(SV *sv, int type)
{
MAGIC* mg;
MAGIC** mgp;
}
void
-sv_insert(bigstr,offset,len,little,littlelen)
-SV *bigstr;
-STRLEN offset;
-STRLEN len;
-char *little;
-STRLEN littlelen;
+sv_insert(SV *bigstr, STRLEN offset, STRLEN len, char *little, STRLEN littlelen)
{
register char *big;
register char *mid;
/* make sv point to what nstr did */
void
-sv_replace(sv,nsv)
-register SV *sv;
-register SV *nsv;
+sv_replace(register SV *sv, register SV *nsv)
{
U32 refcnt = SvREFCNT(sv);
- if (SvTHINKFIRST(sv)) {
- if (SvREADONLY(sv) && curcop != &compiling)
- croak(no_modify);
- if (SvROK(sv))
- sv_unref(sv);
- }
+ sv_check_thinkfirst(sv);
if (SvREFCNT(nsv) != 1)
warn("Reference miscount in sv_replace()");
if (SvMAGICAL(sv)) {
}
SvREFCNT(sv) = 0;
sv_clear(sv);
+ assert(!SvREFCNT(sv));
StructCopy(nsv,sv,SV);
SvREFCNT(sv) = refcnt;
SvFLAGS(nsv) |= SVTYPEMASK; /* Mark as freed */
}
void
-sv_clear(sv)
-register SV *sv;
+sv_clear(register SV *sv)
{
assert(sv);
assert(SvREFCNT(sv) == 0);
if (SvOBJECT(sv)) {
- dSP;
- GV* destructor;
-
+ dTHR;
if (defstash) { /* Still have a symbol table? */
- destructor = gv_fetchmethod(SvSTASH(sv), "DESTROY");
+ dTHR;
+ dSP;
+ GV* destructor;
ENTER;
SAVEFREESV(SvSTASH(sv));
- if (destructor && GvCV(destructor)) {
+
+ destructor = gv_fetchmethod(SvSTASH(sv), "DESTROY");
+ if (destructor) {
SV ref;
Zero(&ref, 1, SV);
sv_upgrade(&ref, SVt_RV);
SvRV(&ref) = SvREFCNT_inc(sv);
SvROK_on(&ref);
+ SvREFCNT(&ref) = 1; /* Fake, but otherwise
+ creating+destructing a ref
+ leads to disaster. */
EXTEND(SP, 2);
PUSHMARK(SP);
PUSHs(&ref);
PUTBACK;
- perl_call_sv((SV*)destructor, G_DISCARD|G_EVAL|G_KEEPERR);
+ perl_call_sv((SV*)GvCV(destructor),
+ G_DISCARD|G_EVAL|G_KEEPERR);
del_XRV(SvANY(&ref));
SvREFCNT(sv)--;
}
+
LEAVE;
}
else
--sv_objcount; /* XXX Might want something more general */
}
if (SvREFCNT(sv)) {
- SV *ret;
- if ( perldb
- && (ret = perl_get_sv("DB::ret", FALSE))
- && SvROK(ret) && SvRV(ret) == sv && SvREFCNT(sv) == 1) {
- /* Debugger is prone to dangling references. */
- SvRV(ret) = 0;
- SvROK_off(ret);
- SvREFCNT(sv) = 0;
- } else {
- croak("panic: dangling references in DESTROY");
- }
+ if (in_clean_objs)
+ croak("DESTROY created new reference to dead object");
+ /* DESTROY gave object new lease on life */
+ return;
}
}
if (SvTYPE(sv) >= SVt_PVMG && SvMAGIC(sv))
mg_free(sv);
switch (SvTYPE(sv)) {
case SVt_PVIO:
- io_close((IO*)sv);
+ if (IoIFP(sv) != PerlIO_stdin() &&
+ IoIFP(sv) != PerlIO_stdout() &&
+ IoIFP(sv) != PerlIO_stderr())
+ io_close((IO*)sv);
Safefree(IoTOP_NAME(sv));
Safefree(IoFMT_NAME(sv));
Safefree(IoBOTTOM_NAME(sv));
}
SV *
-sv_newref(sv)
-SV* sv;
+sv_newref(SV *sv)
{
if (sv)
SvREFCNT(sv)++;
}
void
-sv_free(sv)
-SV *sv;
+sv_free(SV *sv)
{
if (!sv)
return;
return;
#ifdef DEBUGGING
if (SvTEMP(sv)) {
- warn("Attempt to free temp prematurely");
+ warn("Attempt to free temp prematurely: %s", SvPEEK(sv));
return;
}
#endif
sv_clear(sv);
- del_SV(sv);
+ if (! SvREFCNT(sv))
+ del_SV(sv);
}
STRLEN
-sv_len(sv)
-register SV *sv;
+sv_len(register SV *sv)
{
char *junk;
STRLEN len;
}
I32
-sv_eq(str1,str2)
-register SV *str1;
-register SV *str2;
+sv_eq(register SV *str1, register SV *str2)
{
char *pv1;
STRLEN cur1;
}
I32
-sv_cmp(str1, str2)
-register SV *str1;
-register SV *str2;
+sv_cmp(register SV *str1, register SV *str2)
{
STRLEN cur1 = 0;
- char *pv1 = str1 ? SvPV(str1, cur1) : NULL;
+ char *pv1 = str1 ? SvPV(str1, cur1) : (char *) NULL;
STRLEN cur2 = 0;
- char *pv2 = str2 ? SvPV(str2, cur2) : NULL;
+ char *pv2 = str2 ? SvPV(str2, cur2) : (char *) NULL;
I32 retval;
if (!cur1)
}
I32
-sv_cmp_locale(sv1, sv2)
-register SV *sv1;
-register SV *sv2;
+sv_cmp_locale(register SV *sv1, register SV *sv2)
{
#ifdef USE_LOCALE_COLLATE
goto raw_compare;
len1 = 0;
- pv1 = sv1 ? sv_collxfrm(sv1, &len1) : NULL;
+ pv1 = sv1 ? sv_collxfrm(sv1, &len1) : (char *) NULL;
len2 = 0;
- pv2 = sv2 ? sv_collxfrm(sv2, &len2) : NULL;
+ pv2 = sv2 ? sv_collxfrm(sv2, &len2) : (char *) NULL;
if (!pv1 || !len1) {
if (pv2 && len2)
}
#ifdef USE_LOCALE_COLLATE
-
+/*
+ * Any scalar variable may carry an 'o' magic that contains the
+ * scalar data of the variable transformed to such a format that
+ * a normal memory comparison can be used to compare the data
+ * according to the locale settings.
+ */
char *
-sv_collxfrm(sv, nxp)
- SV *sv;
- STRLEN *nxp;
+sv_collxfrm(SV *sv, STRLEN *nxp)
{
- /* Any scalar variable may carry an 'o' magic that contains the
- * scalar data of the variable transformed to such a format that
- * a normal memory comparison can be used to compare the data
- * according to the locale settings. */
-
- MAGIC *mg = NULL;
-
- if (SvMAGICAL(sv)) {
- mg = mg_find(sv, 'o');
- if (mg && *(U32*)mg->mg_ptr != collation_ix)
- mg = NULL;
- }
+ MAGIC *mg;
- if (! mg) {
+ mg = SvMAGICAL(sv) ? mg_find(sv, 'o') : (MAGIC *) NULL;
+ if (!mg || !mg->mg_ptr || *(U32*)mg->mg_ptr != collation_ix) {
char *s, *xf;
STRLEN len, xlen;
+ if (mg)
+ Safefree(mg->mg_ptr);
s = SvPV(sv, len);
if ((xf = mem_collxfrm(s, len, &xlen))) {
- sv_magic(sv, 0, 'o', 0, 0);
- if ((mg = mg_find(sv, 'o'))) {
- mg->mg_ptr = xf;
- mg->mg_len = xlen;
+ if (SvREADONLY(sv)) {
+ SAVEFREEPV(xf);
+ *nxp = xlen;
+ return xf + sizeof(collation_ix);
+ }
+ if (! mg) {
+ sv_magic(sv, 0, 'o', 0, 0);
+ mg = mg_find(sv, 'o');
+ assert(mg);
+ }
+ mg->mg_ptr = xf;
+ mg->mg_len = xlen;
+ }
+ else {
+ if (mg) {
+ mg->mg_ptr = NULL;
+ mg->mg_len = -1;
}
}
}
-
- if (mg) {
+ if (mg && mg->mg_ptr) {
*nxp = mg->mg_len;
return mg->mg_ptr + sizeof(collation_ix);
}
#endif /* USE_LOCALE_COLLATE */
char *
-sv_gets(sv,fp,append)
-register SV *sv;
-register PerlIO *fp;
-I32 append;
+sv_gets(register SV *sv, register FILE *fp, I32 append)
{
char *rsptr;
STRLEN rslen;
register I32 cnt;
I32 i;
- if (SvTHINKFIRST(sv)) {
- if (SvREADONLY(sv) && curcop != &compiling)
- croak(no_modify);
- if (SvROK(sv))
- sv_unref(sv);
- }
+ sv_check_thinkfirst(sv);
if (!SvUPGRADE(sv, SVt_PV))
return 0;
SvSCREAM_off(sv);
bp = (STDCHAR*)SvPVX(sv) + append; /* move these two too to registers */
ptr = (STDCHAR*)PerlIO_get_ptr(fp);
DEBUG_P(PerlIO_printf(Perl_debug_log,
- "Screamer: entering, ptr=%d, cnt=%d\n",ptr,cnt));
+ "Screamer: entering, ptr=%ld, cnt=%ld\n",(long)ptr,(long)cnt));
DEBUG_P(PerlIO_printf(Perl_debug_log,
- "Screamer: entering: FILE * thinks ptr=%d, cnt=%d, base=%d\n",
- PerlIO_get_ptr(fp), PerlIO_get_cnt(fp),
- PerlIO_has_base(fp) ? PerlIO_get_base(fp) : 0));
+ "Screamer: entering: FILE * thinks ptr=%ld, cnt=%ld, base=%ld\n",
+ (long)PerlIO_get_ptr(fp), (long)PerlIO_get_cnt(fp),
+ (long)(PerlIO_has_base(fp) ? PerlIO_get_base(fp) : 0)));
for (;;) {
screamer:
if (cnt > 0) {
}
DEBUG_P(PerlIO_printf(Perl_debug_log,
- "Screamer: going to getc, ptr=%d, cnt=%d\n",ptr,cnt));
+ "Screamer: going to getc, ptr=%ld, cnt=%ld\n",(long)ptr,(long)cnt));
PerlIO_set_ptrcnt(fp, ptr, cnt); /* deregisterize cnt and ptr */
DEBUG_P(PerlIO_printf(Perl_debug_log,
- "Screamer: pre: FILE * thinks ptr=%d, cnt=%d, base=%d\n",
- PerlIO_get_ptr(fp), PerlIO_get_cnt(fp),
- PerlIO_has_base (fp) ? PerlIO_get_base(fp) : 0));
+ "Screamer: pre: FILE * thinks ptr=%ld, cnt=%ld, base=%ld\n",
+ (long)PerlIO_get_ptr(fp), (long)PerlIO_get_cnt(fp),
+ (long)(PerlIO_has_base (fp) ? PerlIO_get_base(fp) : 0)));
/* This used to call 'filbuf' in stdio form, but as that behaves like
- getc when cnt <= 0 we use PerlIO_getc here to avoid another
- abstraction. This may also avoid issues with different named
- 'filbuf' equivalents, though Configure tries to handle them now
- anyway.
- */
+ getc when cnt <= 0 we use PerlIO_getc here to avoid introducing
+ another abstraction. */
i = PerlIO_getc(fp); /* get more characters */
DEBUG_P(PerlIO_printf(Perl_debug_log,
- "Screamer: post: FILE * thinks ptr=%d, cnt=%d, base=%d\n",
- PerlIO_get_ptr(fp), PerlIO_get_cnt(fp),
- PerlIO_has_base (fp) ? PerlIO_get_base(fp) : 0));
+ "Screamer: post: FILE * thinks ptr=%ld, cnt=%ld, base=%ld\n",
+ (long)PerlIO_get_ptr(fp), (long)PerlIO_get_cnt(fp),
+ (long)(PerlIO_has_base (fp) ? PerlIO_get_base(fp) : 0)));
cnt = PerlIO_get_cnt(fp);
ptr = (STDCHAR*)PerlIO_get_ptr(fp); /* reregisterize cnt and ptr */
DEBUG_P(PerlIO_printf(Perl_debug_log,
- "Screamer: after getc, ptr=%d, cnt=%d\n",ptr,cnt));
+ "Screamer: after getc, ptr=%ld, cnt=%ld\n",(long)ptr,(long)cnt));
if (i == EOF) /* all done for ever? */
goto thats_really_all_folks;
if (shortbuffered)
cnt += shortbuffered;
DEBUG_P(PerlIO_printf(Perl_debug_log,
- "Screamer: quitting, ptr=%d, cnt=%d\n",ptr,cnt));
+ "Screamer: quitting, ptr=%ld, cnt=%ld\n",(long)ptr,(long)cnt));
PerlIO_set_ptrcnt(fp, ptr, cnt); /* put these back or we're in trouble */
DEBUG_P(PerlIO_printf(Perl_debug_log,
- "Screamer: end: FILE * thinks ptr=%d, cnt=%d, base=%d\n",
- PerlIO_get_ptr(fp), PerlIO_get_cnt(fp),
- PerlIO_has_base (fp) ? PerlIO_get_base(fp) : 0));
+ "Screamer: end: FILE * thinks ptr=%ld, cnt=%ld, base=%ld\n",
+ (long)PerlIO_get_ptr(fp), (long)PerlIO_get_cnt(fp),
+ (long)(PerlIO_has_base (fp) ? PerlIO_get_base(fp) : 0)));
*bp = '\0';
SvCUR_set(sv, bp - (STDCHAR*)SvPVX(sv)); /* set length */
DEBUG_P(PerlIO_printf(Perl_debug_log,
- "Screamer: done, len=%d, string=|%.*s|\n",
- SvCUR(sv),SvCUR(sv),SvPVX(sv)));
+ "Screamer: done, len=%ld, string=|%.*s|\n",
+ (long)SvCUR(sv),(int)SvCUR(sv),SvPVX(sv)));
}
else
{
memNE(SvPVX(sv) + SvCUR(sv) - rslen, rsptr, rslen)))
{
append = -1;
- goto screamer2;
+ /*
+ * If we're reading from a TTY and we get a short read,
+ * indicating that the user hit his EOF character, we need
+ * to notice it now, because if we try to read from the TTY
+ * again, the EOF condition will disappear.
+ *
+ * The comparison of cnt to sizeof(buf) is an optimization
+ * that prevents unnecessary calls to feof().
+ *
+ * - jik 9/25/96
+ */
+ if (!(cnt < sizeof(buf) && PerlIO_eof(fp)))
+ goto screamer2;
}
}
void
-sv_inc(sv)
-register SV *sv;
+sv_inc(register SV *sv)
{
register char *d;
int flags;
if (!sv)
return;
if (SvTHINKFIRST(sv)) {
- if (SvREADONLY(sv) && curcop != &compiling)
- croak(no_modify);
+ if (SvREADONLY(sv)) {
+ dTHR;
+ if (curcop != &compiling)
+ croak(no_modify);
+ }
if (SvROK(sv)) {
#ifdef OVERLOAD
if (SvAMAGIC(sv) && AMG_CALLun(sv,inc)) return;
}
void
-sv_dec(sv)
-register SV *sv;
+sv_dec(register SV *sv)
{
int flags;
if (!sv)
return;
if (SvTHINKFIRST(sv)) {
- if (SvREADONLY(sv) && curcop != &compiling)
- croak(no_modify);
+ if (SvREADONLY(sv)) {
+ dTHR;
+ if (curcop != &compiling)
+ croak(no_modify);
+ }
if (SvROK(sv)) {
#ifdef OVERLOAD
if (SvAMAGIC(sv) && AMG_CALLun(sv,dec)) return;
* permanent location. */
static void
-sv_mortalgrow()
+sv_mortalgrow(void)
{
+ dTHR;
tmps_max += (tmps_max < 512) ? 128 : 512;
Renew(tmps_stack, tmps_max, SV*);
}
SV *
-sv_mortalcopy(oldstr)
-SV *oldstr;
+sv_mortalcopy(SV *oldstr)
{
+ dTHR;
register SV *sv;
new_SV(sv);
}
SV *
-sv_newmortal()
+sv_newmortal(void)
{
+ dTHR;
register SV *sv;
new_SV(sv);
/* same thing without the copying */
SV *
-sv_2mortal(sv)
-register SV *sv;
+sv_2mortal(register SV *sv)
{
+ dTHR;
if (!sv)
return sv;
if (SvREADONLY(sv) && curcop != &compiling)
}
SV *
-newSVpv(s,len)
-char *s;
-STRLEN len;
+newSVpv(char *s, STRLEN len)
{
register SV *sv;
return sv;
}
+#ifdef I_STDARG
+SV *
+newSVpvf(const char* pat, ...)
+#else
+/*VARARGS0*/
+SV *
+newSVpvf(pat, va_alist)
+const char *pat;
+va_dcl
+#endif
+{
+ register SV *sv;
+ va_list args;
+
+ new_SV(sv);
+ SvANY(sv) = 0;
+ SvREFCNT(sv) = 1;
+ SvFLAGS(sv) = 0;
+#ifdef I_STDARG
+ va_start(args, pat);
+#else
+ va_start(args);
+#endif
+ sv_vsetpvfn(sv, pat, strlen(pat), &args, Null(SV**), 0, Null(bool*));
+ va_end(args);
+ return sv;
+}
+
+
SV *
-newSVnv(n)
-double n;
+newSVnv(double n)
{
register SV *sv;
}
SV *
-newSViv(i)
-IV i;
+newSViv(IV i)
{
register SV *sv;
}
SV *
-newRV(ref)
-SV *ref;
+newRV(SV *ref)
{
+ dTHR;
register SV *sv;
new_SV(sv);
return sv;
}
+#ifdef CRIPPLED_CC
+SV *
+newRV_noinc(SV *ref)
+{
+ register SV *sv;
+
+ sv = newRV(ref);
+ SvREFCNT_dec(ref);
+ return sv;
+}
+#endif /* CRIPPLED_CC */
+
/* make an exact duplicate of old */
SV *
-newSVsv(old)
-register SV *old;
+newSVsv(register SV *old)
{
register SV *sv;
}
void
-sv_reset(s,stash)
-register char *s;
-HV *stash;
+sv_reset(register char *s, HV *stash)
{
register HE *entry;
register GV *gv;
(void)SvOK_off(sv);
if (SvTYPE(sv) >= SVt_PV) {
SvCUR_set(sv, 0);
- SvTAINT(sv);
if (SvPVX(sv) != Nullch)
*SvPVX(sv) = '\0';
+ SvTAINT(sv);
}
if (GvAV(gv)) {
av_clear(GvAV(gv));
}
- if (GvHV(gv)) {
- if (HvNAME(GvHV(gv)))
- continue;
+ if (GvHV(gv) && !HvNAME(GvHV(gv))) {
hv_clear(GvHV(gv));
#ifndef VMS /* VMS has no environ array */
if (gv == envgv)
}
}
+IO*
+sv_2io(SV *sv)
+{
+ IO* io;
+ GV* gv;
+
+ switch (SvTYPE(sv)) {
+ case SVt_PVIO:
+ io = (IO*)sv;
+ break;
+ case SVt_PVGV:
+ gv = (GV*)sv;
+ io = GvIO(gv);
+ if (!io)
+ croak("Bad filehandle: %s", GvNAME(gv));
+ break;
+ default:
+ if (!SvOK(sv))
+ croak(no_usym, "filehandle");
+ if (SvROK(sv))
+ return sv_2io(SvRV(sv));
+ gv = gv_fetchpv(SvPV(sv,na), FALSE, SVt_PVIO);
+ if (gv)
+ io = GvIO(gv);
+ else
+ io = 0;
+ if (!io)
+ croak("Bad filehandle: %s", SvPV(sv,na));
+ break;
+ }
+ return io;
+}
+
CV *
-sv_2cv(sv, st, gvp, lref)
-SV *sv;
-HV **st;
-GV **gvp;
-I32 lref;
+sv_2cv(SV *sv, HV **st, GV **gvp, I32 lref)
{
GV *gv;
CV *cv;
return Nullcv;
*st = GvESTASH(gv);
fix_gv:
- if (lref && !GvCV(gv)) {
+ if (lref && !GvCVu(gv)) {
SV *tmpsv;
ENTER;
tmpsv = NEWSV(704,0);
gv_efullname3(tmpsv, gv, Nullch);
- newSUB(start_subparse(),
+ newSUB(start_subparse(FALSE, 0),
newSVOP(OP_CONST, 0, tmpsv),
Nullop,
Nullop);
LEAVE;
- if (!GvCV(gv))
+ if (!GvCVu(gv))
croak("Unable to create sub named \"%s\"", SvPV(sv,na));
}
- return GvCV(gv);
+ return GvCVu(gv);
}
}
#ifndef SvTRUE
I32
-SvTRUE(sv)
-register SV *sv;
+SvTRUE(register SV *sv)
{
if (!sv)
return 0;
#ifndef SvIV
IV
-SvIV(sv)
-register SV *sv;
+SvIV(register SV *sv)
{
if (SvIOK(sv))
return SvIVX(sv);
#ifndef SvUV
UV
-SvUV(sv)
-register SV *sv;
+SvUV(register SV *sv)
{
if (SvIOK(sv))
return SvUVX(sv);
#ifndef SvNV
double
-SvNV(sv)
-register SV *sv;
+SvNV(register SV *sv)
{
if (SvNOK(sv))
return SvNVX(sv);
#ifdef CRIPPLED_CC
char *
-sv_pvn(sv, lp)
-SV *sv;
-STRLEN *lp;
+sv_pvn(SV *sv, STRLEN *lp)
{
if (SvPOK(sv)) {
*lp = SvCUR(sv);
#endif
char *
-sv_pvn_force(sv, lp)
-SV *sv;
-STRLEN *lp;
+sv_pvn_force(SV *sv, STRLEN *lp)
{
char *s;
- if (SvREADONLY(sv) && curcop != &compiling)
- croak(no_modify);
+ if (SvREADONLY(sv)) {
+ dTHR;
+ if (curcop != &compiling)
+ croak(no_modify);
+ }
if (SvPOK(sv)) {
*lp = SvCUR(sv);
s = SvPVX(sv);
*lp = SvCUR(sv);
}
- else
+ else {
+ dTHR;
croak("Can't coerce %s to string in %s", sv_reftype(sv,0),
op_name[op->op_type]);
+ }
}
else
s = sv_2pv(sv, lp);
}
char *
-sv_reftype(sv, ob)
-SV* sv;
-int ob;
+sv_reftype(SV *sv, int ob)
{
if (ob && SvOBJECT(sv))
return HvNAME(SvSTASH(sv));
}
int
-sv_isobject(sv)
-SV *sv;
+sv_isobject(SV *sv)
{
+ if (!sv)
+ return 0;
+ if (SvGMAGICAL(sv))
+ mg_get(sv);
if (!SvROK(sv))
return 0;
sv = (SV*)SvRV(sv);
}
int
-sv_isa(sv, name)
-SV *sv;
-char *name;
+sv_isa(SV *sv, char *name)
{
+ if (!sv)
+ return 0;
+ if (SvGMAGICAL(sv))
+ mg_get(sv);
if (!SvROK(sv))
return 0;
sv = (SV*)SvRV(sv);
}
SV*
-newSVrv(rv, classname)
-SV *rv;
-char *classname;
+newSVrv(SV *rv, char *classname)
{
+ dTHR;
SV *sv;
new_SV(sv);
}
SV*
-sv_setref_pv(rv, classname, pv)
-SV *rv;
-char *classname;
-void* pv;
+sv_setref_pv(SV *rv, char *classname, void *pv)
{
if (!pv)
sv_setsv(rv, &sv_undef);
}
SV*
-sv_setref_iv(rv, classname, iv)
-SV *rv;
-char *classname;
-IV iv;
+sv_setref_iv(SV *rv, char *classname, IV iv)
{
sv_setiv(newSVrv(rv,classname), iv);
return rv;
}
SV*
-sv_setref_nv(rv, classname, nv)
-SV *rv;
-char *classname;
-double nv;
+sv_setref_nv(SV *rv, char *classname, double nv)
{
sv_setnv(newSVrv(rv,classname), nv);
return rv;
}
SV*
-sv_setref_pvn(rv, classname, pv, n)
-SV *rv;
-char *classname;
-char* pv;
-I32 n;
+sv_setref_pvn(SV *rv, char *classname, char *pv, I32 n)
{
sv_setpvn(newSVrv(rv,classname), pv, n);
return rv;
}
SV*
-sv_bless(sv,stash)
-SV* sv;
-HV* stash;
+sv_bless(SV *sv, HV *stash)
{
+ dTHR;
SV *ref;
if (!SvROK(sv))
croak("Can't bless non-reference value");
if (SvFLAGS(ref) & (SVs_OBJECT|SVf_READONLY)) {
if (SvREADONLY(ref))
croak(no_modify);
- if (SvOBJECT(ref) && SvTYPE(ref) != SVt_PVIO)
- --sv_objcount;
+ if (SvOBJECT(ref)) {
+ if (SvTYPE(ref) != SVt_PVIO)
+ --sv_objcount;
+ SvREFCNT_dec(SvSTASH(ref));
+ }
}
SvOBJECT_on(ref);
- ++sv_objcount;
+ if (SvTYPE(ref) != SVt_PVIO)
+ ++sv_objcount;
(void)SvUPGRADE(ref, SVt_PVMG);
SvSTASH(ref) = (HV*)SvREFCNT_inc(stash);
#ifdef OVERLOAD
- SvAMAGIC_off(sv);
- if (Gv_AMG(stash)) {
- SvAMAGIC_on(sv);
- }
+ if (Gv_AMG(stash))
+ SvAMAGIC_on(sv);
+ else
+ SvAMAGIC_off(sv);
#endif /* OVERLOAD */
return sv;
}
static void
-sv_unglob(sv)
-SV* sv;
+sv_unglob(SV *sv)
{
assert(SvTYPE(sv) == SVt_PVGV);
SvFAKE_off(sv);
}
void
-sv_unref(sv)
-SV* sv;
+sv_unref(SV *sv)
{
SV* rv = SvRV(sv);
sv_2mortal(rv); /* Schedule for freeing later */
}
-IO*
-sv_2io(sv)
-SV *sv;
-{
- IO* io;
- GV* gv;
-
- switch (SvTYPE(sv)) {
- case SVt_PVIO:
- io = (IO*)sv;
- break;
- case SVt_PVGV:
- gv = (GV*)sv;
- io = GvIO(gv);
- if (!io)
- croak("Bad filehandle: %s", GvNAME(gv));
- break;
- default:
- if (!SvOK(sv))
- croak(no_usym, "filehandle");
- if (SvROK(sv))
- return sv_2io(SvRV(sv));
- gv = gv_fetchpv(SvPV(sv,na), FALSE, SVt_PVIO);
- if (gv)
- io = GvIO(gv);
- else
- io = 0;
- if (!io)
- croak("Bad filehandle: %s", SvPV(sv,na));
- break;
- }
- return io;
-}
-
void
-sv_taint(sv)
-SV *sv;
+sv_taint(SV *sv)
{
sv_magic((sv), Nullsv, 't', Nullch, 0);
}
void
-sv_untaint(sv)
-SV *sv;
+sv_untaint(SV *sv)
{
- if (SvMAGICAL(sv)) {
+ if (SvTYPE(sv) >= SVt_PVMG && SvMAGIC(sv)) {
MAGIC *mg = mg_find(sv, 't');
if (mg)
mg->mg_len &= ~1;
}
bool
-sv_tainted(sv)
-SV *sv;
+sv_tainted(SV *sv)
{
- if (SvMAGICAL(sv)) {
+ if (SvTYPE(sv) >= SVt_PVMG && SvMAGIC(sv)) {
MAGIC *mg = mg_find(sv, 't');
if (mg && ((mg->mg_len & 1) || (mg->mg_len & 2) && mg->mg_obj == sv))
return TRUE;
return FALSE;
}
+void
+sv_setpviv(SV *sv, IV iv)
+{
+ STRLEN len;
+ char buf[TYPE_DIGITS(UV)];
+ char *ptr = buf + sizeof(buf);
+ int sign;
+ UV uv;
+ char *p;
+
+ sv_setpvn(sv, "", 0);
+ if (iv >= 0) {
+ uv = iv;
+ sign = 0;
+ } else {
+ uv = -iv;
+ sign = 1;
+ }
+ do {
+ *--ptr = '0' + (uv % 10);
+ } while (uv /= 10);
+ len = (buf + sizeof(buf)) - ptr;
+ /* taking advantage of SvCUR(sv) == 0 */
+ SvGROW(sv, sign + len + 1);
+ p = SvPVX(sv);
+ if (sign)
+ *p++ = '-';
+ memcpy(p, ptr, len);
+ p += len;
+ *p = '\0';
+ SvCUR(sv) = p - SvPVX(sv);
+}
+
+#ifdef I_STDARG
+void
+sv_setpvf(SV *sv, const char* pat, ...)
+#else
+/*VARARGS0*/
+void
+sv_setpvf(sv, pat, va_alist)
+ SV *sv;
+ const char *pat;
+ va_dcl
+#endif
+{
+ va_list args;
+#ifdef I_STDARG
+ va_start(args, pat);
+#else
+ va_start(args);
+#endif
+ sv_vsetpvfn(sv, pat, strlen(pat), &args, Null(SV**), 0, Null(bool*));
+ va_end(args);
+}
+
+#ifdef I_STDARG
+void
+sv_catpvf(SV *sv, const char* pat, ...)
+#else
+/*VARARGS0*/
+void
+sv_catpvf(sv, pat, va_alist)
+ SV *sv;
+ const char *pat;
+ va_dcl
+#endif
+{
+ va_list args;
+#ifdef I_STDARG
+ va_start(args, pat);
+#else
+ va_start(args);
+#endif
+ sv_vcatpvfn(sv, pat, strlen(pat), &args, Null(SV**), 0, Null(bool*));
+ va_end(args);
+}
+
+void
+sv_vsetpvfn(SV *sv, const char *pat, STRLEN patlen, va_list *args, SV **svargs, I32 svmax, char *used_locale)
+{
+ sv_setpvn(sv, "", 0);
+ sv_vcatpvfn(sv, pat, patlen, args, svargs, svmax, used_locale);
+}
+
+void
+sv_vcatpvfn(SV *sv, const char *pat, STRLEN patlen, va_list *args, SV **svargs, I32 svmax, char *used_locale)
+{
+ dTHR;
+ char *p;
+ char *q;
+ char *patend;
+ STRLEN origlen;
+ I32 svix = 0;
+ static char nullstr[] = "(null)";
+
+ /* no matter what, this is a string now */
+ (void)SvPV_force(sv, origlen);
+
+ /* special-case "", "%s", and "%_" */
+ if (patlen == 0)
+ return;
+ if (patlen == 2 && pat[0] == '%') {
+ switch (pat[1]) {
+ case 's':
+ if (args) {
+ char *s = va_arg(*args, char*);
+ sv_catpv(sv, s ? s : nullstr);
+ }
+ else if (svix < svmax)
+ sv_catsv(sv, *svargs);
+ return;
+ case '_':
+ if (args) {
+ sv_catsv(sv, va_arg(*args, SV*));
+ return;
+ }
+ /* See comment on '_' below */
+ break;
+ }
+ }
+
+ patend = (char*)pat + patlen;
+ for (p = (char*)pat; p < patend; p = q) {
+ bool alt = FALSE;
+ bool left = FALSE;
+ char fill = ' ';
+ char plus = 0;
+ char intsize = 0;
+ STRLEN width = 0;
+ STRLEN zeros = 0;
+ bool has_precis = FALSE;
+ STRLEN precis = 0;
+
+ char esignbuf[4];
+ STRLEN esignlen = 0;
+
+ char *eptr = Nullch;
+ STRLEN elen = 0;
+ char ebuf[TYPE_DIGITS(int) * 2 + 16]; /* large enough for "%#.#f" */
+
+ static char *efloatbuf = Nullch;
+ static STRLEN efloatsize = 0;
+
+ char c;
+ int i;
+ unsigned base;
+ IV iv;
+ UV uv;
+ double nv;
+ STRLEN have;
+ STRLEN need;
+ STRLEN gap;
+
+ for (q = p; q < patend && *q != '%'; ++q) ;
+ if (q > p) {
+ sv_catpvn(sv, p, q - p);
+ p = q;
+ }
+ if (q++ >= patend)
+ break;
+
+ /* FLAGS */
+
+ while (*q) {
+ switch (*q) {
+ case ' ':
+ case '+':
+ plus = *q++;
+ continue;
+
+ case '-':
+ left = TRUE;
+ q++;
+ continue;
+
+ case '0':
+ fill = *q++;
+ continue;
+
+ case '#':
+ alt = TRUE;
+ q++;
+ continue;
+
+ default:
+ break;
+ }
+ break;
+ }
+
+ /* WIDTH */
+
+ switch (*q) {
+ case '1': case '2': case '3':
+ case '4': case '5': case '6':
+ case '7': case '8': case '9':
+ width = 0;
+ while (isDIGIT(*q))
+ width = width * 10 + (*q++ - '0');
+ break;
+
+ case '*':
+ if (args)
+ i = va_arg(*args, int);
+ else
+ i = (svix < svmax) ? SvIVx(svargs[svix++]) : 0;
+ left |= (i < 0);
+ width = (i < 0) ? -i : i;
+ q++;
+ break;
+ }
+
+ /* PRECISION */
+
+ if (*q == '.') {
+ q++;
+ if (*q == '*') {
+ if (args)
+ i = va_arg(*args, int);
+ else
+ i = (svix < svmax) ? SvIVx(svargs[svix++]) : 0;
+ precis = (i < 0) ? 0 : i;
+ q++;
+ }
+ else {
+ precis = 0;
+ while (isDIGIT(*q))
+ precis = precis * 10 + (*q++ - '0');
+ }
+ has_precis = TRUE;
+ }
+
+ /* SIZE */
+
+ switch (*q) {
+ case 'l':
+#if 0 /* when quads have better support within Perl */
+ if (*(q + 1) == 'l') {
+ intsize = 'q';
+ q += 2;
+ break;
+ }
+#endif
+ /* FALL THROUGH */
+ case 'h':
+ case 'V':
+ intsize = *q++;
+ break;
+ }
+
+ /* CONVERSION */
+
+ switch (c = *q++) {
+
+ /* STRINGS */
+
+ case '%':
+ eptr = q - 1;
+ elen = 1;
+ goto string;
+
+ case 'c':
+ if (args)
+ c = va_arg(*args, int);
+ else
+ c = (svix < svmax) ? SvIVx(svargs[svix++]) : 0;
+ eptr = &c;
+ elen = 1;
+ goto string;
+
+ case 's':
+ if (args) {
+ eptr = va_arg(*args, char*);
+ if (eptr)
+ elen = strlen(eptr);
+ else {
+ eptr = nullstr;
+ elen = sizeof nullstr - 1;
+ }
+ }
+ else if (svix < svmax)
+ eptr = SvPVx(svargs[svix++], elen);
+ goto string;
+
+ case '_':
+ /*
+ * The "%_" hack might have to be changed someday,
+ * if ISO or ANSI decide to use '_' for something.
+ * So we keep it hidden from users' code.
+ */
+ if (!args)
+ goto unknown;
+ eptr = SvPVx(va_arg(*args, SV*), elen);
+
+ string:
+ if (has_precis && elen > precis)
+ elen = precis;
+ break;
+
+ /* INTEGERS */
+
+ case 'p':
+ if (args)
+ uv = (UV)va_arg(*args, void*);
+ else
+ uv = (svix < svmax) ? (UV)svargs[svix++] : 0;
+ base = 16;
+ goto integer;
+
+ case 'D':
+ intsize = 'l';
+ /* FALL THROUGH */
+ case 'd':
+ case 'i':
+ if (args) {
+ switch (intsize) {
+ case 'h': iv = (short)va_arg(*args, int); break;
+ default: iv = va_arg(*args, int); break;
+ case 'l': iv = va_arg(*args, long); break;
+ case 'V': iv = va_arg(*args, IV); break;
+ }
+ }
+ else {
+ iv = (svix < svmax) ? SvIVx(svargs[svix++]) : 0;
+ switch (intsize) {
+ case 'h': iv = (short)iv; break;
+ default: iv = (int)iv; break;
+ case 'l': iv = (long)iv; break;
+ case 'V': break;
+ }
+ }
+ if (iv >= 0) {
+ uv = iv;
+ if (plus)
+ esignbuf[esignlen++] = plus;
+ }
+ else {
+ uv = -iv;
+ esignbuf[esignlen++] = '-';
+ }
+ base = 10;
+ goto integer;
+
+ case 'U':
+ intsize = 'l';
+ /* FALL THROUGH */
+ case 'u':
+ base = 10;
+ goto uns_integer;
+
+ case 'O':
+ intsize = 'l';
+ /* FALL THROUGH */
+ case 'o':
+ base = 8;
+ goto uns_integer;
+
+ case 'X':
+ case 'x':
+ base = 16;
+
+ uns_integer:
+ if (args) {
+ switch (intsize) {
+ case 'h': uv = (unsigned short)va_arg(*args, unsigned); break;
+ default: uv = va_arg(*args, unsigned); break;
+ case 'l': uv = va_arg(*args, unsigned long); break;
+ case 'V': uv = va_arg(*args, UV); break;
+ }
+ }
+ else {
+ uv = (svix < svmax) ? SvUVx(svargs[svix++]) : 0;
+ switch (intsize) {
+ case 'h': uv = (unsigned short)uv; break;
+ default: uv = (unsigned)uv; break;
+ case 'l': uv = (unsigned long)uv; break;
+ case 'V': break;
+ }
+ }
+
+ integer:
+ eptr = ebuf + sizeof ebuf;
+ switch (base) {
+ unsigned dig;
+ case 16:
+ p = (c == 'X') ? "0123456789ABCDEF" : "0123456789abcdef";
+ do {
+ dig = uv & 15;
+ *--eptr = p[dig];
+ } while (uv >>= 4);
+ if (alt) {
+ esignbuf[esignlen++] = '0';
+ esignbuf[esignlen++] = c; /* 'x' or 'X' */
+ }
+ break;
+ case 8:
+ do {
+ dig = uv & 7;
+ *--eptr = '0' + dig;
+ } while (uv >>= 3);
+ if (alt && *eptr != '0')
+ *--eptr = '0';
+ break;
+ default: /* it had better be ten or less */
+ do {
+ dig = uv % base;
+ *--eptr = '0' + dig;
+ } while (uv /= base);
+ break;
+ }
+ elen = (ebuf + sizeof ebuf) - eptr;
+ if (has_precis && precis > elen)
+ zeros = precis - elen;
+ break;
+
+ /* FLOATING POINT */
+
+ case 'F':
+ c = 'f'; /* maybe %F isn't supported here */
+ /* FALL THROUGH */
+ case 'e': case 'E':
+ case 'f':
+ case 'g': case 'G':
+
+ /* This is evil, but floating point is even more evil */
+
+ if (args)
+ nv = va_arg(*args, double);
+ else
+ nv = (svix < svmax) ? SvNVx(svargs[svix++]) : 0.0;
+
+ need = 0;
+ if (c != 'e' && c != 'E') {
+ i = PERL_INT_MIN;
+ (void)frexp(nv, &i);
+ if (i == PERL_INT_MIN)
+ die("panic: frexp");
+ if (i > 0)
+ need = BIT_DIGITS(i);
+ }
+ need += has_precis ? precis : 6; /* known default */
+ if (need < width)
+ need = width;
+
+ need += 20; /* fudge factor */
+ if (efloatsize < need) {
+ Safefree(efloatbuf);
+ efloatsize = need + 20; /* more fudge */
+ New(906, efloatbuf, efloatsize, char);
+ }
+
+ eptr = ebuf + sizeof ebuf;
+ *--eptr = '\0';
+ *--eptr = c;
+ if (has_precis) {
+ base = precis;
+ do { *--eptr = '0' + (base % 10); } while (base /= 10);
+ *--eptr = '.';
+ }
+ if (width) {
+ base = width;
+ do { *--eptr = '0' + (base % 10); } while (base /= 10);
+ }
+ if (fill == '0')
+ *--eptr = fill;
+ if (left)
+ *--eptr = '-';
+ if (plus)
+ *--eptr = plus;
+ if (alt)
+ *--eptr = '#';
+ *--eptr = '%';
+
+ (void)sprintf(efloatbuf, eptr, nv);
+
+ eptr = efloatbuf;
+ elen = strlen(efloatbuf);
+
+#ifdef LC_NUMERIC
+ /*
+ * User-defined locales may include arbitrary characters.
+ * And, unfortunately, some system may alloc the "C" locale
+ * to be overridden by a malicious user.
+ */
+ if (used_locale)
+ *used_locale = TRUE;
+#endif /* LC_NUMERIC */
+
+ break;
+
+ /* SPECIAL */
+
+ case 'n':
+ i = SvCUR(sv) - origlen;
+ if (args) {
+ switch (intsize) {
+ case 'h': *(va_arg(*args, short*)) = i; break;
+ default: *(va_arg(*args, int*)) = i; break;
+ case 'l': *(va_arg(*args, long*)) = i; break;
+ case 'V': *(va_arg(*args, IV*)) = i; break;
+ }
+ }
+ else if (svix < svmax)
+ sv_setuv(svargs[svix++], (UV)i);
+ continue; /* not "break" */
+
+ /* UNKNOWN */
+
+ default:
+ unknown:
+ if (!args && dowarn &&
+ (op->op_type == OP_PRTF || op->op_type == OP_SPRINTF)) {
+ SV *msg = sv_newmortal();
+ sv_setpvf(msg, "Invalid conversion in %s: ",
+ (op->op_type == OP_PRTF) ? "printf" : "sprintf");
+ if (c)
+ sv_catpvf(msg, isPRINT(c) ? "\"%%%c\"" : "\"%%\\%03o\"",
+ c & 0xFF);
+ else
+ sv_catpv(msg, "end of string");
+ warn("%_", msg); /* yes, this is reentrant */
+ }
+
+ /* output mangled stuff ... */
+ if (c == '\0')
+ --q;
+ eptr = p;
+ elen = q - p;
+
+ /* ... right here, because formatting flags should not apply */
+ SvGROW(sv, SvCUR(sv) + elen + 1);
+ p = SvEND(sv);
+ memcpy(p, eptr, elen);
+ p += elen;
+ *p = '\0';
+ SvCUR(sv) = p - SvPVX(sv);
+ continue; /* not "break" */
+ }
+
+ have = esignlen + zeros + elen;
+ need = (have > width ? have : width);
+ gap = need - have;
+
+ SvGROW(sv, SvCUR(sv) + need + 1);
+ p = SvEND(sv);
+ if (esignlen && fill == '0') {
+ for (i = 0; i < esignlen; i++)
+ *p++ = esignbuf[i];
+ }
+ if (gap && !left) {
+ memset(p, fill, gap);
+ p += gap;
+ }
+ if (esignlen && fill != '0') {
+ for (i = 0; i < esignlen; i++)
+ *p++ = esignbuf[i];
+ }
+ if (zeros) {
+ for (i = zeros; i; i--)
+ *p++ = '0';
+ }
+ if (elen) {
+ memcpy(p, eptr, elen);
+ p += elen;
+ }
+ if (gap && left) {
+ memset(p, ' ', gap);
+ p += gap;
+ }
+ *p = '\0';
+ SvCUR(sv) = p - SvPVX(sv);
+ }
+}
+
#ifdef DEBUGGING
void
-sv_dump(sv)
-SV* sv;
+sv_dump(SV *sv)
{
- char tmpbuf[1024];
- char *d = tmpbuf;
+ SV *d = sv_newmortal();
+ char *s;
U32 flags;
U32 type;
flags = SvFLAGS(sv);
type = SvTYPE(sv);
- sprintf(d, "(0x%lx)\n REFCNT = %ld\n FLAGS = (",
- (unsigned long)SvANY(sv), (long)SvREFCNT(sv));
- d += strlen(d);
- if (flags & SVs_PADBUSY) strcat(d, "PADBUSY,");
- if (flags & SVs_PADTMP) strcat(d, "PADTMP,");
- if (flags & SVs_PADMY) strcat(d, "PADMY,");
- if (flags & SVs_TEMP) strcat(d, "TEMP,");
- if (flags & SVs_OBJECT) strcat(d, "OBJECT,");
- if (flags & SVs_GMG) strcat(d, "GMG,");
- if (flags & SVs_SMG) strcat(d, "SMG,");
- if (flags & SVs_RMG) strcat(d, "RMG,");
- d += strlen(d);
-
- if (flags & SVf_IOK) strcat(d, "IOK,");
- if (flags & SVf_NOK) strcat(d, "NOK,");
- if (flags & SVf_POK) strcat(d, "POK,");
- if (flags & SVf_ROK) strcat(d, "ROK,");
- if (flags & SVf_OOK) strcat(d, "OOK,");
- if (flags & SVf_FAKE) strcat(d, "FAKE,");
- if (flags & SVf_READONLY) strcat(d, "READONLY,");
- d += strlen(d);
+ sv_setpvf(d, "(0x%lx)\n REFCNT = %ld\n FLAGS = (",
+ (unsigned long)SvANY(sv), (long)SvREFCNT(sv));
+ if (flags & SVs_PADBUSY) sv_catpv(d, "PADBUSY,");
+ if (flags & SVs_PADTMP) sv_catpv(d, "PADTMP,");
+ if (flags & SVs_PADMY) sv_catpv(d, "PADMY,");
+ if (flags & SVs_TEMP) sv_catpv(d, "TEMP,");
+ if (flags & SVs_OBJECT) sv_catpv(d, "OBJECT,");
+ if (flags & SVs_GMG) sv_catpv(d, "GMG,");
+ if (flags & SVs_SMG) sv_catpv(d, "SMG,");
+ if (flags & SVs_RMG) sv_catpv(d, "RMG,");
+
+ if (flags & SVf_IOK) sv_catpv(d, "IOK,");
+ if (flags & SVf_NOK) sv_catpv(d, "NOK,");
+ if (flags & SVf_POK) sv_catpv(d, "POK,");
+ if (flags & SVf_ROK) sv_catpv(d, "ROK,");
+ if (flags & SVf_OOK) sv_catpv(d, "OOK,");
+ if (flags & SVf_FAKE) sv_catpv(d, "FAKE,");
+ if (flags & SVf_READONLY) sv_catpv(d, "READONLY,");
#ifdef OVERLOAD
- if (flags & SVf_AMAGIC) strcat(d, "OVERLOAD,");
+ if (flags & SVf_AMAGIC) sv_catpv(d, "OVERLOAD,");
#endif /* OVERLOAD */
- if (flags & SVp_IOK) strcat(d, "pIOK,");
- if (flags & SVp_NOK) strcat(d, "pNOK,");
- if (flags & SVp_POK) strcat(d, "pPOK,");
- if (flags & SVp_SCREAM) strcat(d, "SCREAM,");
+ if (flags & SVp_IOK) sv_catpv(d, "pIOK,");
+ if (flags & SVp_NOK) sv_catpv(d, "pNOK,");
+ if (flags & SVp_POK) sv_catpv(d, "pPOK,");
+ if (flags & SVp_SCREAM) sv_catpv(d, "SCREAM,");
switch (type) {
case SVt_PVCV:
- if (CvANON(sv)) strcat(d, "ANON,");
- if (CvCLONE(sv)) strcat(d, "CLONE,");
- if (CvCLONED(sv)) strcat(d, "CLONED,");
- break;
+ case SVt_PVFM:
+ if (CvANON(sv)) sv_catpv(d, "ANON,");
+ if (CvUNIQUE(sv)) sv_catpv(d, "UNIQUE,");
+ if (CvCLONE(sv)) sv_catpv(d, "CLONE,");
+ if (CvCLONED(sv)) sv_catpv(d, "CLONED,");
+ if (CvNODEBUG(sv)) sv_catpv(d, "NODEBUG,");
+ break;
case SVt_PVHV:
- if (HvSHAREKEYS(sv)) strcat(d, "SHAREKEYS,");
- if (HvLAZYDEL(sv)) strcat(d, "LAZYDEL,");
- break;
+ if (HvSHAREKEYS(sv)) sv_catpv(d, "SHAREKEYS,");
+ if (HvLAZYDEL(sv)) sv_catpv(d, "LAZYDEL,");
+ break;
case SVt_PVGV:
- if (GvINTRO(sv)) strcat(d, "INTRO,");
- if (GvMULTI(sv)) strcat(d, "MULTI,");
- if (GvASSUMECV(sv)) strcat(d, "ASSUMECV,");
- if (GvIMPORTED(sv)) {
- strcat(d, "IMPORT");
- if (GvIMPORTED(sv) == GVf_IMPORTED)
- strcat(d, "ALL,");
- else {
- strcat(d, "(");
- if (GvIMPORTED_SV(sv)) strcat(d, " SV");
- if (GvIMPORTED_AV(sv)) strcat(d, " AV");
- if (GvIMPORTED_HV(sv)) strcat(d, " HV");
- if (GvIMPORTED_CV(sv)) strcat(d, " CV");
- strcat(d, " ),");
- }
- }
-#ifdef OVERLOAD
- if (flags & SVpgv_AM) strcat(d, "withOVERLOAD,");
-#endif /* OVERLOAD */
+ if (GvINTRO(sv)) sv_catpv(d, "INTRO,");
+ if (GvMULTI(sv)) sv_catpv(d, "MULTI,");
+ if (GvASSUMECV(sv)) sv_catpv(d, "ASSUMECV,");
+ if (GvIMPORTED(sv)) {
+ sv_catpv(d, "IMPORT");
+ if (GvIMPORTED(sv) == GVf_IMPORTED)
+ sv_catpv(d, "ALL,");
+ else {
+ sv_catpv(d, "(");
+ if (GvIMPORTED_SV(sv)) sv_catpv(d, " SV");
+ if (GvIMPORTED_AV(sv)) sv_catpv(d, " AV");
+ if (GvIMPORTED_HV(sv)) sv_catpv(d, " HV");
+ if (GvIMPORTED_CV(sv)) sv_catpv(d, " CV");
+ sv_catpv(d, " ),");
+ }
+ }
}
- d += strlen(d);
- if (d[-1] == ',')
- d--;
- *d++ = ')';
- *d = '\0';
+ if (*(SvEND(d) - 1) == ',')
+ SvPVX(d)[--SvCUR(d)] = '\0';
+ sv_catpv(d, ")");
+ s = SvPVX(d);
PerlIO_printf(Perl_debug_log, "SV = ");
switch (type) {
case SVt_NULL:
- PerlIO_printf(Perl_debug_log, "NULL%s\n", tmpbuf);
+ PerlIO_printf(Perl_debug_log, "NULL%s\n", s);
return;
case SVt_IV:
- PerlIO_printf(Perl_debug_log, "IV%s\n", tmpbuf);
+ PerlIO_printf(Perl_debug_log, "IV%s\n", s);
break;
case SVt_NV:
- PerlIO_printf(Perl_debug_log, "NV%s\n", tmpbuf);
+ PerlIO_printf(Perl_debug_log, "NV%s\n", s);
break;
case SVt_RV:
- PerlIO_printf(Perl_debug_log, "RV%s\n", tmpbuf);
+ PerlIO_printf(Perl_debug_log, "RV%s\n", s);
break;
case SVt_PV:
- PerlIO_printf(Perl_debug_log, "PV%s\n", tmpbuf);
+ PerlIO_printf(Perl_debug_log, "PV%s\n", s);
break;
case SVt_PVIV:
- PerlIO_printf(Perl_debug_log, "PVIV%s\n", tmpbuf);
+ PerlIO_printf(Perl_debug_log, "PVIV%s\n", s);
break;
case SVt_PVNV:
- PerlIO_printf(Perl_debug_log, "PVNV%s\n", tmpbuf);
+ PerlIO_printf(Perl_debug_log, "PVNV%s\n", s);
break;
case SVt_PVBM:
- PerlIO_printf(Perl_debug_log, "PVBM%s\n", tmpbuf);
+ PerlIO_printf(Perl_debug_log, "PVBM%s\n", s);
break;
case SVt_PVMG:
- PerlIO_printf(Perl_debug_log, "PVMG%s\n", tmpbuf);
+ PerlIO_printf(Perl_debug_log, "PVMG%s\n", s);
break;
case SVt_PVLV:
- PerlIO_printf(Perl_debug_log, "PVLV%s\n", tmpbuf);
+ PerlIO_printf(Perl_debug_log, "PVLV%s\n", s);
break;
case SVt_PVAV:
- PerlIO_printf(Perl_debug_log, "PVAV%s\n", tmpbuf);
+ PerlIO_printf(Perl_debug_log, "PVAV%s\n", s);
break;
case SVt_PVHV:
- PerlIO_printf(Perl_debug_log, "PVHV%s\n", tmpbuf);
+ PerlIO_printf(Perl_debug_log, "PVHV%s\n", s);
break;
case SVt_PVCV:
- PerlIO_printf(Perl_debug_log, "PVCV%s\n", tmpbuf);
+ PerlIO_printf(Perl_debug_log, "PVCV%s\n", s);
break;
case SVt_PVGV:
- PerlIO_printf(Perl_debug_log, "PVGV%s\n", tmpbuf);
+ PerlIO_printf(Perl_debug_log, "PVGV%s\n", s);
break;
case SVt_PVFM:
- PerlIO_printf(Perl_debug_log, "PVFM%s\n", tmpbuf);
+ PerlIO_printf(Perl_debug_log, "PVFM%s\n", s);
break;
case SVt_PVIO:
- PerlIO_printf(Perl_debug_log, "PVIO%s\n", tmpbuf);
+ PerlIO_printf(Perl_debug_log, "PVIO%s\n", s);
break;
default:
- PerlIO_printf(Perl_debug_log, "UNKNOWN%s\n", tmpbuf);
+ PerlIO_printf(Perl_debug_log, "UNKNOWN%s\n", s);
return;
}
if (type >= SVt_PVIV || type == SVt_IV)
PerlIO_printf(Perl_debug_log, " MAX = %ld\n", (long)AvMAX(sv));
PerlIO_printf(Perl_debug_log, " ARYLEN = 0x%lx\n", (long)AvARYLEN(sv));
flags = AvFLAGS(sv);
- d = tmpbuf;
- *d = '\0';
- if (flags & AVf_REAL) strcat(d, "REAL,");
- if (flags & AVf_REIFY) strcat(d, "REIFY,");
- if (flags & AVf_REUSED) strcat(d, "REUSED,");
- if (*d)
- d[strlen(d)-1] = '\0';
- PerlIO_printf(Perl_debug_log, " FLAGS = (%s)\n", d);
+ sv_setpv(d, "");
+ if (flags & AVf_REAL) sv_catpv(d, ",REAL");
+ if (flags & AVf_REIFY) sv_catpv(d, ",REIFY");
+ if (flags & AVf_REUSED) sv_catpv(d, ",REUSED");
+ PerlIO_printf(Perl_debug_log, " FLAGS = (%s)\n",
+ SvCUR(d) ? SvPVX(d) + 1 : "");
break;
case SVt_PVHV:
PerlIO_printf(Perl_debug_log, " ARRAY = 0x%lx\n",(long)HvARRAY(sv));
if (HvNAME(sv))
PerlIO_printf(Perl_debug_log, " NAME = \"%s\"\n", HvNAME(sv));
break;
- case SVt_PVFM:
case SVt_PVCV:
if (SvPOK(sv))
PerlIO_printf(Perl_debug_log, " PROTOTYPE = \"%s\"\n", SvPV(sv,na));
+ /* FALL THROUGH */
+ case SVt_PVFM:
PerlIO_printf(Perl_debug_log, " STASH = 0x%lx\n", (long)CvSTASH(sv));
PerlIO_printf(Perl_debug_log, " START = 0x%lx\n", (long)CvSTART(sv));
PerlIO_printf(Perl_debug_log, " ROOT = 0x%lx\n", (long)CvROOT(sv));
PerlIO_printf(Perl_debug_log, " DEPTH = %ld\n", (long)CvDEPTH(sv));
PerlIO_printf(Perl_debug_log, " PADLIST = 0x%lx\n", (long)CvPADLIST(sv));
PerlIO_printf(Perl_debug_log, " OUTSIDE = 0x%lx\n", (long)CvOUTSIDE(sv));
+#ifdef USE_THREADS
+ PerlIO_printf(Perl_debug_log, " MUTEXP = 0x%lx\n", (long)CvMUTEXP(sv));
+ PerlIO_printf(Perl_debug_log, " OWNER = 0x%lx\n", (long)CvOWNER(sv));
+#endif /* USE_THREADS */
+ PerlIO_printf(Perl_debug_log, " FLAGS = 0x%lx\n",
+ (unsigned long)CvFLAGS(sv));
if (type == SVt_PVFM)
PerlIO_printf(Perl_debug_log, " LINES = %ld\n", (long)FmLINES(sv));
break;
}
#else
void
-sv_dump(sv)
-SV* sv;
+sv_dump(SV *sv)
{
}
#endif
+
https://perl5.git.perl.org / perl5.git / blobdiff