#include "EXTERN.h"
#include "perl.h"
+#ifdef OVR_DBL_DIG
+/* Use an overridden DBL_DIG */
+# ifdef DBL_DIG
+# undef DBL_DIG
+# endif
+# define DBL_DIG OVR_DBL_DIG
+#else
/* The following is all to get DBL_DIG, in order to pick a nice
default value for printing floating point numbers in Gconvert.
(see config.h)
#ifndef HAS_DBL_DIG
#define DBL_DIG 15 /* A guess that works lots of places */
#endif
+#endif
+
+#if defined(USE_STDIO_PTR) && defined(STDIO_PTR_LVALUE) && defined(STDIO_CNT_LVALUE) && !defined(__QNX__)
+# define FAST_SV_GETS
+#endif
+static IV asIV _((SV* sv));
+static UV asUV _((SV* sv));
static SV *more_sv _((void));
static XPVIV *more_xiv _((void));
static XPVNV *more_xnv _((void));
static XPV *more_xpv _((void));
static XRV *more_xrv _((void));
-static SV *new_sv _((void));
static XPVIV *new_xiv _((void));
static XPVNV *new_xnv _((void));
static XPV *new_xpv _((void));
static void del_xpv _((XPV* p));
static void del_xrv _((XRV* p));
static void sv_mortalgrow _((void));
-
static void sv_unglob _((SV* sv));
+typedef void (*SVFUNC) _((SV*));
+
#ifdef PURIFY
-#define new_SV() sv = (SV*)safemalloc(sizeof(SV))
-#define del_SV(p) free((char*)p)
+#define new_SV(p) \
+ do { \
+ (p) = (SV*)safemalloc(sizeof(SV)); \
+ reg_add(p); \
+ } while (0)
-#else
+#define del_SV(p) \
+ do { \
+ reg_remove(p); \
+ free((char*)(p)); \
+ } while (0)
+
+static SV **registry;
+static I32 regsize;
+
+#define REGHASH(sv,size) ((((U32)(sv)) >> 2) % (size))
+
+#define REG_REPLACE(sv,a,b) \
+ do { \
+ void* p = sv->sv_any; \
+ I32 h = REGHASH(sv, regsize); \
+ I32 i = h; \
+ while (registry[i] != (a)) { \
+ if (++i >= regsize) \
+ i = 0; \
+ if (i == h) \
+ die("SV registry bug"); \
+ } \
+ registry[i] = (b); \
+ } while (0)
+
+#define REG_ADD(sv) REG_REPLACE(sv,Nullsv,sv)
+#define REG_REMOVE(sv) REG_REPLACE(sv,sv,Nullsv)
-#define new_SV() \
- if (sv_root) { \
- sv = sv_root; \
- sv_root = (SV*)SvANY(sv); \
- ++sv_count; \
- } \
- else \
- sv = more_sv();
+static void
+reg_add(sv)
+SV* sv;
+{
+ if (sv_count >= (regsize >> 1))
+ {
+ SV **oldreg = registry;
+ I32 oldsize = regsize;
-static SV*
-new_sv()
+ regsize = regsize ? ((regsize << 2) + 1) : 2037;
+ registry = (SV**)safemalloc(regsize * sizeof(SV*));
+ memzero(registry, regsize * sizeof(SV*));
+
+ if (oldreg) {
+ I32 i;
+
+ for (i = 0; i < oldsize; ++i) {
+ SV* oldsv = oldreg[i];
+ if (oldsv)
+ REG_ADD(oldsv);
+ }
+ Safefree(oldreg);
+ }
+ }
+
+ REG_ADD(sv);
+ ++sv_count;
+}
+
+static void
+reg_remove(sv)
+SV* sv;
{
- SV* sv;
- if (sv_root) {
- sv = sv_root;
- sv_root = (SV*)SvANY(sv);
- ++sv_count;
- return sv;
+ REG_REMOVE(sv);
+ --sv_count;
+}
+
+static void
+visit(f)
+SVFUNC f;
+{
+ I32 i;
+
+ for (i = 0; i < regsize; ++i) {
+ SV* sv = registry[i];
+ if (sv)
+ (*f)(sv);
}
- return more_sv();
}
+void
+sv_add_arena(ptr, size, flags)
+char* ptr;
+U32 size;
+U32 flags;
+{
+ if (!(flags & SVf_FAKE))
+ free(ptr);
+}
+
+#else /* ! PURIFY */
+
+/*
+ * "A time to plant, and a time to uproot what was planted..."
+ */
+
+#define plant_SV(p) \
+ do { \
+ SvANY(p) = (void *)sv_root; \
+ SvFLAGS(p) = SVTYPEMASK; \
+ sv_root = (p); \
+ --sv_count; \
+ } while (0)
+
+#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()
+
#ifdef DEBUGGING
+
#define del_SV(p) \
if (debug & 32768) \
del_sv(p); \
- else { \
- SvANY(p) = (void *)sv_root; \
- sv_root = p; \
- --sv_count; \
- }
+ else \
+ plant_SV(p)
static void
del_sv(p)
SV* p;
{
if (debug & 32768) {
+ SV* sva;
SV* sv;
SV* svend;
int ok = 0;
- for (sv = sv_arenaroot; sv; sv = (SV *) SvANY(svend)) {
- svend = &sv[1008 / sizeof(SV)];
+ for (sva = sv_arenaroot; sva; sva = (SV *) SvANY(sva)) {
+ sv = sva + 1;
+ svend = &sva[SvREFCNT(sva)];
if (p >= sv && p < svend)
ok = 1;
}
return;
}
}
- SvANY(p) = (void *) sv_root;
- sv_root = p;
- --sv_count;
+ plant_SV(p);
}
-#else
-#define del_SV(p) \
- SvANY(p) = (void *)sv_root; \
- sv_root = p; \
- --sv_count;
-#endif
+#else /* ! DEBUGGING */
-static SV*
-more_sv()
+#define del_SV(p) plant_SV(p)
+
+#endif /* DEBUGGING */
+
+void
+sv_add_arena(ptr, size, flags)
+char* ptr;
+U32 size;
+U32 flags;
{
+ SV* sva = (SV*)ptr;
register SV* sv;
register SV* svend;
- sv_root = (SV*)safemalloc(1012);
- sv = sv_root;
- Zero(sv, 1012, char);
- svend = &sv[1008 / sizeof(SV) - 1];
+ Zero(sva, size, char);
+
+ /* The first SV in an arena isn't an SV. */
+ SvANY(sva) = (void *) sv_arenaroot; /* ptr to next arena */
+ SvREFCNT(sva) = size / sizeof(SV); /* number of SV slots */
+ SvFLAGS(sva) = flags; /* FAKE if not to be freed */
+
+ sv_arenaroot = sva;
+ sv_root = sva + 1;
+
+ svend = &sva[SvREFCNT(sva) - 1];
+ sv = sva + 1;
while (sv < svend) {
SvANY(sv) = (void *)(SV*)(sv + 1);
SvFLAGS(sv) = SVTYPEMASK;
sv++;
}
SvANY(sv) = 0;
- sv++;
- SvANY(sv) = (void *) sv_arenaroot;
- sv_arenaroot = sv_root;
- return new_sv();
+ SvFLAGS(sv) = SVTYPEMASK;
}
-#endif
-void
-sv_report_used()
+static SV*
+more_sv()
+{
+ register SV* sv;
+
+ if (nice_chunk) {
+ sv_add_arena(nice_chunk, nice_chunk_size, 0);
+ nice_chunk = Nullch;
+ }
+ else {
+ char *chunk; /* must use New here to match call to */
+ New(704,chunk,1008,char); /* Safefree() in sv_free_arenas() */
+ sv_add_arena(chunk, 1008, 0);
+ }
+ uproot_SV(sv);
+ return sv;
+}
+
+static void
+visit(f)
+SVFUNC f;
{
+ SV* sva;
SV* sv;
register SV* svend;
- for (sv = sv_arenaroot; sv; sv = (SV *) SvANY(sv)) {
- svend = &sv[1008 / sizeof(SV)];
- while (sv < svend) {
- if (SvTYPE(sv) != SVTYPEMASK) {
- fprintf(stderr, "****\n");
- sv_dump(sv);
- }
- ++sv;
+ for (sva = sv_arenaroot; sva; sva = (SV*)SvANY(sva)) {
+ svend = &sva[SvREFCNT(sva)];
+ for (sv = sva + 1; sv < svend; ++sv) {
+ if (SvTYPE(sv) != SVTYPEMASK)
+ (*f)(sv);
}
}
}
+#endif /* PURIFY */
+
+static void
+do_report_used(sv)
+SV* sv;
+{
+ if (SvTYPE(sv) != SVTYPEMASK) {
+ /* XXX Perhaps this ought to go to Perl_debug_log, if DEBUGGING. */
+ PerlIO_printf(PerlIO_stderr(), "****\n");
+ sv_dump(sv);
+ }
+}
+
void
-sv_clean_objs()
+sv_report_used()
+{
+ visit(do_report_used);
+}
+
+static void
+do_clean_objs(sv)
+SV* sv;
{
- register SV* sv;
- register SV* svend;
SV* rv;
- for (sv = sv_arenaroot; sv; sv = (SV *) SvANY(sv)) {
- svend = &sv[1008 / sizeof(SV)];
- while (sv < svend) {
- if (SvROK(sv) && SvOBJECT(rv = SvRV(sv))) {
- DEBUG_D((fprintf(stderr, "Cleaning object ref:\n "),
- sv_dump(sv));)
- SvROK_off(sv);
- SvRV(sv) = 0;
- SvREFCNT_dec(rv);
- }
- /* XXX Might want to check arrays, etc. */
- ++sv;
- }
+ if (SvROK(sv) && SvOBJECT(rv = SvRV(sv))) {
+ DEBUG_D((PerlIO_printf(Perl_debug_log, "Cleaning object ref:\n "), sv_dump(sv));)
+ SvROK_off(sv);
+ SvRV(sv) = 0;
+ SvREFCNT_dec(rv);
}
+
+ /* XXX Might want to check arrays, etc. */
+}
+
+#ifndef DISABLE_DESTRUCTOR_KLUDGE
+static void
+do_clean_named_objs(sv)
+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()
+{
+ 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;
+{
+ DEBUG_D((PerlIO_printf(Perl_debug_log, "Cleaning loops:\n "), sv_dump(sv));)
+ SvFLAGS(sv) |= SVf_BREAK;
+ SvREFCNT_dec(sv);
}
+static bool in_clean_all = FALSE;
+
void
sv_clean_all()
{
- register SV* sv;
- register SV* svend;
+ in_clean_all = TRUE;
+ visit(do_clean_all);
+ in_clean_all = FALSE;
+}
- for (sv = sv_arenaroot; sv; sv = (SV *) SvANY(sv)) {
- svend = &sv[1008 / sizeof(SV)];
- while (sv < svend) {
- if (SvTYPE(sv) != SVTYPEMASK) {
- DEBUG_D((fprintf(stderr, "Cleaning loops:\n "), sv_dump(sv));)
- SvFLAGS(sv) |= SVf_BREAK;
- SvREFCNT_dec(sv);
- }
- ++sv;
- }
+void
+sv_free_arenas()
+{
+ SV* sva;
+ SV* svanext;
+
+ /* Free arenas here, but be careful about fake ones. (We assume
+ contiguity of the fake ones with the corresponding real ones.) */
+
+ for (sva = sv_arenaroot; sva; sva = svanext) {
+ svanext = (SV*) SvANY(sva);
+ while (svanext && SvFAKE(svanext))
+ svanext = (SV*) SvANY(svanext);
+
+ if (!SvFAKE(sva))
+ Safefree((void *)sva);
}
+
+ sv_arenaroot = 0;
+ sv_root = 0;
}
static XPVIV*
if (SvTYPE(sv) == mt)
return TRUE;
+ if (mt < SVt_PVIV)
+ (void)SvOOK_off(sv);
+
switch (SvTYPE(sv)) {
case SVt_NULL:
pv = 0;
stash = 0;
break;
case SVt_PV:
- nv = 0.0;
pv = SvPVX(sv);
cur = SvCUR(sv);
len = SvLEN(sv);
mt = SVt_PVNV;
break;
case SVt_PVIV:
- nv = 0.0;
pv = SvPVX(sv);
cur = SvCUR(sv);
len = SvLEN(sv);
del_XPVIV(SvANY(sv));
break;
case SVt_PVNV:
- nv = SvNVX(sv);
pv = SvPVX(sv);
cur = SvCUR(sv);
len = SvLEN(sv);
if (pv)
Safefree(pv);
SvPVX(sv) = 0;
- AvMAX(sv) = 0;
- AvFILL(sv) = 0;
+ AvMAX(sv) = -1;
+ AvFILL(sv) = -1;
SvIVX(sv) = 0;
SvNVX(sv) = 0.0;
SvMAGIC(sv) = magic;
GvNAME(sv) = 0;
GvNAMELEN(sv) = 0;
GvSTASH(sv) = 0;
+ GvFLAGS(sv) = 0;
break;
case SVt_PVBM:
SvANY(sv) = new_XPVBM();
else
sprintf(t,"(\"%.127s\")",SvPVX(sv));
}
- else if (SvNOKp(sv))
+ else if (SvNOKp(sv)) {
+ SET_NUMERIC_STANDARD();
sprintf(t,"(%g)",SvNVX(sv));
+ }
else if (SvIOKp(sv))
sprintf(t,"(%ld)",(long)SvIVX(sv));
else
{
register char *s;
-#ifdef MSDOS
+#ifdef HAS_64K_LIMIT
if (newlen >= 0x10000) {
- fprintf(stderr, "Allocation too large: %lx\n", newlen);
+ PerlIO_printf(Perl_debug_log, "Allocation too large: %lx\n", newlen);
my_exit(1);
}
-#endif /* MSDOS */
+#endif /* HAS_64K_LIMIT */
if (SvROK(sv))
sv_unref(sv);
if (SvTYPE(sv) < SVt_PV) {
croak("Can't coerce %s to integer in %s", sv_reftype(sv,0),
op_name[op->op_type]);
}
- SvIVX(sv) = i;
(void)SvIOK_only(sv); /* validate number */
+ SvIVX(sv) = i;
SvTAINT(sv);
}
void
+sv_setuv(sv,u)
+register SV *sv;
+UV u;
+{
+ if (u <= IV_MAX)
+ sv_setiv(sv, u);
+ else
+ sv_setnv(sv, (double)u);
+}
+
+void
sv_setnv(sv,num)
register SV *sv;
double num;
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--) {
- int ch = *s;
- if (ch & 128 && !isprint(ch)) {
+ for (s = SvPVX(sv); *s && d < limit; s++) {
+ int ch = *s & 0xFF;
+ if (ch & 128 && !isPRINT_LC(ch)) {
*d++ = 'M';
*d++ = '-';
ch &= 127;
}
- if (isprint(ch))
+ if (ch == '\n') {
+ *d++ = '\\';
+ *d++ = 'n';
+ }
+ else if (ch == '\r') {
+ *d++ = '\\';
+ *d++ = 'r';
+ }
+ else if (ch == '\f') {
+ *d++ = '\\';
+ *d++ = 'f';
+ }
+ else if (ch == '\\') {
+ *d++ = '\\';
+ *d++ = '\\';
+ }
+ else if (isPRINT_LC(ch))
*d++ = ch;
else {
*d++ = '^';
- *d++ = ch ^ 64;
+ *d++ = toCTRL(ch);
}
}
if (*s) {
*d = '\0';
if (op)
- warn("Argument \"%s\" isn't numeric for %s", tmpbuf,
+ warn("Argument \"%s\" isn't numeric in %s", tmpbuf,
op_name[op->op_type]);
else
warn("Argument \"%s\" isn't numeric", tmpbuf);
else
return (IV) U_V(SvNVX(sv));
}
- if (SvPOKp(sv) && SvLEN(sv)) {
- if (dowarn && !looks_like_number(sv))
- not_a_number(sv);
- return (IV)atol(SvPVX(sv));
- }
- if (!SvROK(sv)) {
- return 0;
- }
+ if (SvPOKp(sv) && SvLEN(sv))
+ return asIV(sv);
+ if (!SvROK(sv))
+ return 0;
}
if (SvTHINKFIRST(sv)) {
if (SvROK(sv)) {
else
return (IV) U_V(SvNVX(sv));
}
- if (SvPOKp(sv) && SvLEN(sv)) {
- if (dowarn && !looks_like_number(sv))
- not_a_number(sv);
- return (IV)atol(SvPVX(sv));
- }
+ if (SvPOKp(sv) && SvLEN(sv))
+ return asIV(sv);
if (dowarn)
warn(warn_uninit);
return 0;
switch (SvTYPE(sv)) {
case SVt_NULL:
sv_upgrade(sv, SVt_IV);
- return SvIVX(sv);
+ break;
case SVt_PV:
sv_upgrade(sv, SVt_PVIV);
break;
break;
}
if (SvNOKp(sv)) {
+ (void)SvIOK_on(sv);
if (SvNVX(sv) < 0.0)
SvIVX(sv) = I_V(SvNVX(sv));
else
- SvIVX(sv) = (IV) U_V(SvNVX(sv));
+ SvUVX(sv) = U_V(SvNVX(sv));
}
else if (SvPOKp(sv) && SvLEN(sv)) {
- if (dowarn && !looks_like_number(sv))
- not_a_number(sv);
- SvIVX(sv) = (IV)atol(SvPVX(sv));
+ (void)SvIOK_on(sv);
+ SvIVX(sv) = asIV(sv);
}
else {
- if (dowarn && !localizing)
+ if (dowarn && !localizing && !(SvFLAGS(sv) & SVs_PADTMP))
warn(warn_uninit);
return 0;
}
- (void)SvIOK_on(sv);
- DEBUG_c(fprintf(stderr,"0x%lx 2iv(%ld)\n",
+ DEBUG_c(PerlIO_printf(Perl_debug_log, "0x%lx 2iv(%ld)\n",
(unsigned long)sv,(long)SvIVX(sv)));
return SvIVX(sv);
}
+UV
+sv_2uv(sv)
+register SV *sv;
+{
+ if (!sv)
+ return 0;
+ if (SvGMAGICAL(sv)) {
+ mg_get(sv);
+ if (SvIOKp(sv))
+ return SvUVX(sv);
+ if (SvNOKp(sv))
+ return U_V(SvNVX(sv));
+ if (SvPOKp(sv) && SvLEN(sv))
+ return asUV(sv);
+ if (!SvROK(sv))
+ return 0;
+ }
+ if (SvTHINKFIRST(sv)) {
+ if (SvROK(sv)) {
+#ifdef OVERLOAD
+ SV* tmpstr;
+ if (SvAMAGIC(sv) && (tmpstr=AMG_CALLun(sv, numer)))
+ return SvUV(tmpstr);
+#endif /* OVERLOAD */
+ return (UV)SvRV(sv);
+ }
+ if (SvREADONLY(sv)) {
+ if (SvNOKp(sv)) {
+ return U_V(SvNVX(sv));
+ }
+ if (SvPOKp(sv) && SvLEN(sv))
+ return asUV(sv);
+ if (dowarn)
+ warn(warn_uninit);
+ return 0;
+ }
+ }
+ switch (SvTYPE(sv)) {
+ case SVt_NULL:
+ sv_upgrade(sv, SVt_IV);
+ break;
+ case SVt_PV:
+ sv_upgrade(sv, SVt_PVIV);
+ break;
+ case SVt_NV:
+ sv_upgrade(sv, SVt_PVNV);
+ break;
+ }
+ if (SvNOKp(sv)) {
+ (void)SvIOK_on(sv);
+ SvUVX(sv) = U_V(SvNVX(sv));
+ }
+ else if (SvPOKp(sv) && SvLEN(sv)) {
+ (void)SvIOK_on(sv);
+ SvUVX(sv) = asUV(sv);
+ }
+ else {
+ if (dowarn && !localizing && !(SvFLAGS(sv) & SVs_PADTMP))
+ warn(warn_uninit);
+ return 0;
+ }
+ DEBUG_c(PerlIO_printf(Perl_debug_log, "0x%lx 2uv(%lu)\n",
+ (unsigned long)sv,SvUVX(sv)));
+ return SvUVX(sv);
+}
+
double
sv_2nv(sv)
register SV *sv;
if (SvPOKp(sv) && SvLEN(sv)) {
if (dowarn && !SvIOKp(sv) && !looks_like_number(sv))
not_a_number(sv);
+ SET_NUMERIC_STANDARD();
return atof(SvPVX(sv));
}
if (SvIOKp(sv))
if (SvPOKp(sv) && SvLEN(sv)) {
if (dowarn && !SvIOKp(sv) && !looks_like_number(sv))
not_a_number(sv);
+ SET_NUMERIC_STANDARD();
return atof(SvPVX(sv));
}
if (SvIOKp(sv))
sv_upgrade(sv, SVt_PVNV);
else
sv_upgrade(sv, SVt_NV);
- DEBUG_c(fprintf(stderr,"0x%lx num(%g)\n",(unsigned long)sv,SvNVX(sv)));
+ DEBUG_c(SET_NUMERIC_STANDARD());
+ DEBUG_c(PerlIO_printf(Perl_debug_log,
+ "0x%lx num(%g)\n",(unsigned long)sv,SvNVX(sv)));
}
else if (SvTYPE(sv) < SVt_PVNV)
sv_upgrade(sv, SVt_PVNV);
else if (SvPOKp(sv) && SvLEN(sv)) {
if (dowarn && !SvIOKp(sv) && !looks_like_number(sv))
not_a_number(sv);
+ SET_NUMERIC_STANDARD();
SvNVX(sv) = atof(SvPVX(sv));
}
else {
- if (dowarn && !localizing)
+ if (dowarn && !localizing && !(SvFLAGS(sv) & SVs_PADTMP))
warn(warn_uninit);
return 0.0;
}
SvNOK_on(sv);
- DEBUG_c(fprintf(stderr,"0x%lx 2nv(%g)\n",(unsigned long)sv,SvNVX(sv)));
+ DEBUG_c(SET_NUMERIC_STANDARD());
+ DEBUG_c(PerlIO_printf(Perl_debug_log,
+ "0x%lx 2nv(%g)\n",(unsigned long)sv,SvNVX(sv)));
return SvNVX(sv);
}
+static IV
+asIV(sv)
+SV *sv;
+{
+ I32 numtype = looks_like_number(sv);
+ double d;
+
+ if (numtype == 1)
+ return atol(SvPVX(sv));
+ if (!numtype && dowarn)
+ not_a_number(sv);
+ SET_NUMERIC_STANDARD();
+ d = atof(SvPVX(sv));
+ if (d < 0.0)
+ return I_V(d);
+ else
+ return (IV) U_V(d);
+}
+
+static UV
+asUV(sv)
+SV *sv;
+{
+ I32 numtype = looks_like_number(sv);
+
+ if (numtype == 1)
+ return atol(SvPVX(sv));
+ if (!numtype && dowarn)
+ not_a_number(sv);
+ SET_NUMERIC_STANDARD();
+ return U_V(atof(SvPVX(sv)));
+}
+
+I32
+looks_like_number(sv)
+SV *sv;
+{
+ register char *s;
+ register char *send;
+ register char *sbegin;
+ I32 numtype;
+ STRLEN len;
+
+ if (SvPOK(sv)) {
+ sbegin = SvPVX(sv);
+ len = SvCUR(sv);
+ }
+ else if (SvPOKp(sv))
+ sbegin = SvPV(sv, len);
+ else
+ return 1;
+ send = sbegin + len;
+
+ s = sbegin;
+ while (isSPACE(*s))
+ s++;
+ if (*s == '+' || *s == '-')
+ 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 == '.') {
+ 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++;
+ if (isDIGIT(*s)) {
+ do {
+ s++;
+ } while (isDIGIT(*s));
+ }
+ else
+ return 0;
+ }
+ while (isSPACE(*s))
+ s++;
+ if (s >= send)
+ return numtype;
+ if (len == 10 && memEQ(sbegin, "0 but true", 10))
+ return 1;
+ return 0;
+}
+
char *
sv_2pv(sv, lp)
register SV *sv;
goto tokensave;
}
if (SvNOKp(sv)) {
+ SET_NUMERIC_STANDARD();
Gconvert(SvNVX(sv), DBL_DIG, 0, tokenbuf);
goto tokensave;
}
case SVt_PVCV: s = "CODE"; break;
case SVt_PVGV: s = "GLOB"; break;
case SVt_PVFM: s = "FORMATLINE"; break;
- case SVt_PVIO: s = "FILEHANDLE"; break;
+ case SVt_PVIO: s = "IO"; break;
default: s = "UNKNOWN"; break;
}
if (SvOBJECT(sv))
}
if (SvREADONLY(sv)) {
if (SvNOKp(sv)) {
+ SET_NUMERIC_STANDARD();
Gconvert(SvNVX(sv), DBL_DIG, 0, tokenbuf);
goto tokensave;
}
(void)strcpy(s,"0");
else
#endif /*apollo*/
+ {
+ SET_NUMERIC_STANDARD();
Gconvert(SvNVX(sv), DBL_DIG, 0, s);
+ }
errno = olderrno;
#ifdef FIXNEGATIVEZERO
if (*s == '-' && s[1] == '0' && !s[2])
while (*s) s++;
}
else {
- if (dowarn && !localizing)
+ if (dowarn && !localizing && !(SvFLAGS(sv) & SVs_PADTMP))
warn(warn_uninit);
*lp = 0;
return "";
*lp = s - SvPVX(sv);
SvCUR_set(sv, *lp);
SvPOK_on(sv);
- DEBUG_c(fprintf(stderr,"0x%lx 2pv(%s)\n",(unsigned long)sv,SvPVX(sv)));
+ DEBUG_c(PerlIO_printf(Perl_debug_log, "0x%lx 2pv(%s)\n",(unsigned long)sv,SvPVX(sv)));
return SvPVX(sv);
tokensave:
s = SvGROW(sv, len + 1);
SvCUR_set(sv, len);
(void)strcpy(s, tokenbuf);
- /* NO SvPOK_on(sv) here! */
+ SvPOKp_on(sv);
return s;
}
}
if (dtype == SVt_PVGV && (SvFLAGS(dstr) & SVf_FAKE)) {
sv_unglob(dstr); /* so fake GLOB won't perpetuate */
- SvPOK_only(dstr);
+ sv_setpvn(dstr, "", 0);
+ (void)SvPOK_only(dstr);
dtype = SvTYPE(dstr);
}
(void)SvOK_off(dstr);
return;
case SVt_IV:
- if (dtype <= SVt_PV) {
+ if (dtype != SVt_IV && dtype < SVt_PVIV) {
if (dtype < SVt_IV)
sv_upgrade(dstr, SVt_IV);
else if (dtype == SVt_NV)
sv_upgrade(dstr, SVt_PVNV);
- else if (dtype <= SVt_PV)
+ else
sv_upgrade(dstr, SVt_PVIV);
}
break;
case SVt_NV:
- if (dtype <= SVt_PVIV) {
+ if (dtype != SVt_NV && dtype < SVt_PVNV) {
if (dtype < SVt_NV)
sv_upgrade(dstr, SVt_NV);
- else if (dtype == SVt_PVIV)
- sv_upgrade(dstr, SVt_PVNV);
- else if (dtype <= SVt_PV)
+ else
sv_upgrade(dstr, SVt_PVNV);
}
break;
case SVt_RV:
if (dtype < SVt_RV)
sv_upgrade(dstr, SVt_RV);
+ else if (dtype == SVt_PVGV &&
+ SvTYPE(SvRV(sstr)) == SVt_PVGV) {
+ sstr = SvRV(sstr);
+ if (sstr == dstr) {
+ if (curcop->cop_stash != GvSTASH(dstr))
+ GvIMPORTED_on(dstr);
+ GvMULTI_on(dstr);
+ return;
+ }
+ goto glob_assign;
+ }
break;
case SVt_PV:
if (dtype < SVt_PV)
if (dtype < SVt_PVNV)
sv_upgrade(dstr, SVt_PVNV);
break;
- case SVt_PVGV:
- if (dtype <= SVt_PVGV) {
- if (dtype < SVt_PVGV) {
- char *name = GvNAME(sstr);
- STRLEN len = GvNAMELEN(sstr);
- sv_upgrade(dstr, SVt_PVGV);
- sv_magic(dstr, dstr, '*', name, len);
- GvSTASH(dstr) = GvSTASH(sstr);
- GvNAME(dstr) = savepvn(name, len);
+
+ case SVt_PVLV:
+ sv_upgrade(dstr, SVt_PVLV);
+ break;
+
+ case SVt_PVAV:
+ case SVt_PVHV:
+ case SVt_PVCV:
+ case SVt_PVIO:
+ if (op)
+ croak("Bizarre copy of %s in %s", sv_reftype(sstr, 0),
+ op_name[op->op_type]);
+ else
+ croak("Bizarre copy of %s", sv_reftype(sstr, 0));
+ break;
+
+ case SVt_PVGV:
+ if (dtype <= SVt_PVGV) {
+ glob_assign:
+ if (dtype != SVt_PVGV) {
+ char *name = GvNAME(sstr);
+ STRLEN len = GvNAMELEN(sstr);
+ sv_upgrade(dstr, SVt_PVGV);
+ sv_magic(dstr, dstr, '*', name, len);
+ GvSTASH(dstr) = GvSTASH(sstr);
+ GvNAME(dstr) = savepvn(name, len);
GvNAMELEN(dstr) = len;
SvFAKE_on(dstr); /* can coerce to non-glob */
}
(void)SvOK_off(dstr);
- if (!GvAV(sstr))
- gv_AVadd(sstr);
- if (!GvHV(sstr))
- gv_HVadd(sstr);
- if (!GvIO(sstr))
- gv_IOadd(sstr);
- if (GvGP(dstr))
- gp_free(dstr);
+ GvINTRO_off(dstr); /* one-shot flag */
+ gp_free((GV*)dstr);
GvGP(dstr) = gp_ref(GvGP(sstr));
SvTAINT(dstr);
- GvFLAGS(dstr) &= ~GVf_INTRO; /* one-shot flag */
- SvMULTI_on(dstr);
+ if (curcop->cop_stash != GvSTASH(dstr))
+ GvIMPORTED_on(dstr);
+ GvMULTI_on(dstr);
return;
}
/* FALL THROUGH */
if (dtype == SVt_PVGV) {
SV *sref = SvREFCNT_inc(SvRV(sstr));
SV *dref = 0;
- int intro = GvFLAGS(dstr) & GVf_INTRO;
+ int intro = GvINTRO(dstr);
if (intro) {
GP *gp;
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) = dstr;
- GvFLAGS(dstr) &= ~GVf_INTRO; /* one-shot flag */
+ GvEGV(dstr) = (GV*)dstr;
}
- SvMULTI_on(dstr);
+ GvMULTI_on(dstr);
switch (SvTYPE(sref)) {
case SVt_PVAV:
if (intro)
else
dref = (SV*)GvAV(dstr);
GvAV(dstr) = (AV*)sref;
+ if (curcop->cop_stash != GvSTASH(dstr))
+ GvIMPORTED_AV_on(dstr);
break;
case SVt_PVHV:
if (intro)
else
dref = (SV*)GvHV(dstr);
GvHV(dstr) = (HV*)sref;
+ if (curcop->cop_stash != GvSTASH(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;
+ }
SAVESPTR(GvCV(dstr));
+ }
else {
CV* cv = GvCV(dstr);
- dref = (SV*)cv;
- if (dowarn && cv && sref != dref &&
- !GvCVGEN((GV*)dstr) &&
- (CvROOT(cv) || CvXSUB(cv)) )
- warn("Subroutine %s redefined", GvENAME((GV*)dstr));
+ if (cv) {
+ dref = (SV*)cv;
+ if (dowarn && sref != dref &&
+ !GvCVGEN((GV*)dstr) &&
+ (CvROOT(cv) || CvXSUB(cv)) )
+ warn("Subroutine %s redefined",
+ GvENAME((GV*)dstr));
+ }
+ }
+ if (GvCV(dstr) != (CV*)sref) {
+ GvCV(dstr) = (CV*)sref;
+ GvCVGEN(dstr) = 0; /* Switch off cacheness. */
+ GvASSUMECV_on(dstr);
+ sub_generation++;
}
- GvFLAGS(dstr) |= GVf_IMPORTED;
- GvCV(dstr) = (CV*)sref;
+ if (curcop->cop_stash != GvSTASH(dstr))
+ GvIMPORTED_CV_on(dstr);
+ break;
+ case SVt_PVIO:
+ if (intro)
+ SAVESPTR(GvIOp(dstr));
+ else
+ dref = (SV*)GvIOp(dstr);
+ GvIOp(dstr) = (IO*)sref;
break;
default:
if (intro)
else
dref = (SV*)GvSV(dstr);
GvSV(dstr) = sref;
+ if (curcop->cop_stash != GvSTASH(dstr))
+ GvIMPORTED_SV_on(dstr);
break;
}
if (dref)
return;
}
if (SvPVX(dstr)) {
+ (void)SvOOK_off(dstr); /* backoff */
Safefree(SvPVX(dstr));
SvLEN(dstr)=SvCUR(dstr)=0;
}
* has to be allocated and SvPVX(sstr) has to be freed.
*/
- if (SvTEMP(sstr)) { /* slated for free anyway? */
+ if (SvTEMP(sstr) && /* slated for free anyway? */
+ !(sflags & SVf_OOK)) /* and not involved in OOK hack? */
+ {
if (SvPVX(dstr)) { /* we know that dtype >= SVt_PV */
- (void)SvOOK_off(dstr);
- Safefree(SvPVX(dstr));
+ if (SvOOK(dstr)) {
+ SvFLAGS(dstr) &= ~SVf_OOK;
+ Safefree(SvPVX(dstr) - SvIVX(dstr));
+ }
+ else
+ Safefree(SvPVX(dstr));
}
+ (void)SvPOK_only(dstr);
SvPV_set(dstr, SvPVX(sstr));
SvLEN_set(dstr, SvLEN(sstr));
SvCUR_set(dstr, SvCUR(sstr));
- (void)SvPOK_only(dstr);
SvTEMP_off(dstr);
+ (void)SvOK_off(sstr);
SvPV_set(sstr, Nullch);
SvLEN_set(sstr, 0);
- SvPOK_off(sstr); /* wipe out any weird flags */
- SvPVX(sstr) = 0; /* so sstr frees uneventfully */
+ SvCUR_set(sstr, 0);
+ SvTEMP_off(sstr);
}
else { /* have to copy actual string */
STRLEN len = SvCUR(sstr);
void
sv_setpvn(sv,ptr,len)
register SV *sv;
-register char *ptr;
+register const char *ptr;
register STRLEN len;
{
- assert(len >= 0);
+ 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);
(void)SvOK_off(sv);
return;
}
- if (!SvUPGRADE(sv, SVt_PV))
+ if (SvTYPE(sv) >= SVt_PV) {
+ if (SvFAKE(sv) && SvTYPE(sv) == SVt_PVGV)
+ sv_unglob(sv);
+ }
+ else if (!sv_upgrade(sv, SVt_PV))
return;
SvGROW(sv, len + 1);
Move(ptr,SvPVX(sv),len,char);
void
sv_setpv(sv,ptr)
register SV *sv;
-register char *ptr;
+register const char *ptr;
{
register STRLEN len;
return;
}
len = strlen(ptr);
- if (!SvUPGRADE(sv, SVt_PV))
+ if (SvTYPE(sv) >= SVt_PV) {
+ if (SvFAKE(sv) && SvTYPE(sv) == SVt_PVGV)
+ sv_unglob(sv);
+ }
+ else if (!sv_upgrade(sv, SVt_PV))
return;
SvGROW(sv, len + 1);
Move(ptr,SvPVX(sv),len+1,char);
junk = SvPV_force(sv, tlen);
SvGROW(sv, tlen + len + 1);
+ if (ptr == junk)
+ ptr = SvPVX(sv);
Move(ptr,SvPVX(sv)+tlen,len,char);
SvCUR(sv) += len;
*SvEND(sv) = '\0';
junk = SvPV_force(sv, tlen);
len = strlen(ptr);
SvGROW(sv, tlen + len + 1);
+ if (ptr == junk)
+ ptr = SvPVX(sv);
Move(ptr,SvPVX(sv)+tlen,len+1,char);
SvCUR(sv) += len;
(void)SvPOK_only(sv); /* validate pointer */
{
register SV *sv;
- new_SV();
+ new_SV(sv);
SvANY(sv) = 0;
SvREFCNT(sv) = 1;
SvFLAGS(sv) = 0;
return sv;
}
+/* name is assumed to contain an SV* if (name && namelen == HEf_SVKEY) */
+
void
sv_magic(sv, obj, how, name, namlen)
register SV *sv;
{
MAGIC* mg;
- if (SvREADONLY(sv) && curcop != &compiling && !strchr("gB", how))
+ if (SvREADONLY(sv) && curcop != &compiling && !strchr("gBf", how))
croak(no_modify);
- if (SvMAGICAL(sv)) {
+ if (SvMAGICAL(sv) || (how == 't' && SvTYPE(sv) >= SVt_PVMG)) {
if (SvMAGIC(sv) && (mg = mg_find(sv, how))) {
if (how == 't')
mg->mg_len |= 1;
}
mg->mg_type = how;
mg->mg_len = namlen;
- if (name && namlen >= 0)
- mg->mg_ptr = savepvn(name, namlen);
+ if (name)
+ if (namlen >= 0)
+ mg->mg_ptr = savepvn(name, namlen);
+ else if (namlen == HEf_SVKEY)
+ mg->mg_ptr = (char*)SvREFCNT_inc((SV*)name);
+
switch (how) {
case 0:
mg->mg_virtual = &vtbl_sv;
case 'E':
mg->mg_virtual = &vtbl_env;
break;
+ case 'f':
+ mg->mg_virtual = &vtbl_fm;
+ break;
case 'e':
mg->mg_virtual = &vtbl_envelem;
break;
case 'i':
mg->mg_virtual = &vtbl_isaelem;
break;
+ case 'k':
+ mg->mg_virtual = &vtbl_nkeys;
+ break;
case 'L':
SvRMAGICAL_on(sv);
mg->mg_virtual = 0;
case 'l':
mg->mg_virtual = &vtbl_dbline;
break;
+#ifdef USE_LOCALE_COLLATE
+ case 'o':
+ mg->mg_virtual = &vtbl_collxfrm;
+ break;
+#endif /* USE_LOCALE_COLLATE */
case 'P':
mg->mg_virtual = &vtbl_pack;
break;
case 'x':
mg->mg_virtual = &vtbl_substr;
break;
+ case 'y':
+ mg->mg_virtual = &vtbl_itervar;
+ break;
case '*':
mg->mg_virtual = &vtbl_glob;
break;
case '.':
mg->mg_virtual = &vtbl_pos;
break;
- case '~': /* reserved for extensions but multiple extensions may clash */
+ case '~': /* Reserved for use by extensions not perl internals. */
+ /* Useful for attaching extension internal data to perl vars. */
+ /* Note that multiple extensions may clash if magical scalars */
+ /* etc holding private data from one are passed to another. */
+ SvRMAGICAL_on(sv);
break;
default:
croak("Don't know how to handle magic of type '%c'", how);
{
MAGIC* mg;
MAGIC** mgp;
- if (!SvMAGICAL(sv))
+ if (SvTYPE(sv) < SVt_PVMG || !SvMAGIC(sv))
return 0;
mgp = &SvMAGIC(sv);
for (mg = *mgp; mg; mg = *mgp) {
if (vtbl && vtbl->svt_free)
(*vtbl->svt_free)(sv, mg);
if (mg->mg_ptr && mg->mg_type != 'g')
- Safefree(mg->mg_ptr);
+ if (mg->mg_len >= 0)
+ Safefree(mg->mg_ptr);
+ else if (mg->mg_len == HEf_SVKEY)
+ SvREFCNT_dec((SV*)mg->mg_ptr);
if (mg->mg_flags & MGf_REFCOUNTED)
SvREFCNT_dec(mg->mg_obj);
Safefree(mg);
}
SvREFCNT(sv) = 0;
sv_clear(sv);
+ assert(!SvREFCNT(sv));
StructCopy(nsv,sv,SV);
SvREFCNT(sv) = refcnt;
+ SvFLAGS(nsv) |= SVTYPEMASK; /* Mark as freed */
del_SV(nsv);
}
assert(SvREFCNT(sv) == 0);
if (SvOBJECT(sv)) {
- dSP;
- GV* destructor;
-
if (defstash) { /* Still have a symbol table? */
- destructor = gv_fetchmethod(SvSTASH(sv), "DESTROY");
+ 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);
- SAVEI32(SvREFCNT(sv));
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);
+ perl_call_sv((SV*)GvCV(destructor),
+ G_DISCARD|G_EVAL|G_KEEPERR);
del_XRV(SvANY(&ref));
+ SvREFCNT(sv)--;
}
+
LEAVE;
}
+ else
+ SvREFCNT_dec(SvSTASH(sv));
if (SvOBJECT(sv)) {
SvOBJECT_off(sv); /* Curse the object. */
if (SvTYPE(sv) != SVt_PVIO)
--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 {
+ if (in_clean_objs)
+ croak("DESTROY created new reference to dead object");
+ /* DESTROY gave object new lease on life */
+ return;
+ }
+ }
}
- if (SvMAGICAL(sv))
+ if (SvTYPE(sv) >= SVt_PVMG && SvMAGIC(sv))
mg_free(sv);
switch (SvTYPE(sv)) {
case SVt_PVIO:
+ 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));
av_undef((AV*)sv);
break;
case SVt_PVGV:
- gp_free(sv);
+ gp_free((GV*)sv);
Safefree(GvNAME(sv));
/* FALL THROUGH */
case SVt_PVLV:
case SVt_RV:
if (SvROK(sv))
SvREFCNT_dec(SvRV(sv));
- else if (SvPVX(sv))
+ else if (SvPVX(sv) && SvLEN(sv))
Safefree(SvPVX(sv));
break;
/*
if (SvREFCNT(sv) == 0) {
if (SvFLAGS(sv) & SVf_BREAK)
return;
+ if (in_clean_all) /* All is fair */
+ return;
warn("Attempt to free unreferenced scalar");
return;
}
}
#endif
sv_clear(sv);
- del_SV(sv);
+ if (! SvREFCNT(sv))
+ del_SV(sv);
}
STRLEN
if (cur1 != cur2)
return 0;
- return !bcmp(pv1, pv2, cur1);
+ return memEQ(pv1, pv2, cur1);
}
I32
-sv_cmp(str1,str2)
+sv_cmp(str1, str2)
register SV *str1;
register SV *str2;
{
+ STRLEN cur1 = 0;
+ char *pv1 = str1 ? SvPV(str1, cur1) : NULL;
+ STRLEN cur2 = 0;
+ char *pv2 = str2 ? SvPV(str2, cur2) : NULL;
I32 retval;
- char *pv1;
- STRLEN cur1;
- char *pv2;
- STRLEN cur2;
-
- if (!str1) {
- pv1 = "";
- cur1 = 0;
- }
- else
- pv1 = SvPV(str1, cur1);
-
- if (!str2) {
- pv2 = "";
- cur2 = 0;
- }
- else
- pv2 = SvPV(str2, cur2);
if (!cur1)
return cur2 ? -1 : 0;
+
if (!cur2)
return 1;
- if (cur1 < cur2) {
- /*SUPPRESS 560*/
- if (retval = memcmp((void*)pv1, (void*)pv2, cur1))
- return retval < 0 ? -1 : 1;
- else
- return -1;
- }
- /*SUPPRESS 560*/
- else if (retval = memcmp((void*)pv1, (void*)pv2, cur2))
+ retval = memcmp((void*)pv1, (void*)pv2, cur1 < cur2 ? cur1 : cur2);
+
+ if (retval)
return retval < 0 ? -1 : 1;
- else if (cur1 == cur2)
+
+ if (cur1 == cur2)
return 0;
else
- return 1;
+ return cur1 < cur2 ? -1 : 1;
+}
+
+I32
+sv_cmp_locale(sv1, sv2)
+register SV *sv1;
+register SV *sv2;
+{
+#ifdef USE_LOCALE_COLLATE
+
+ char *pv1, *pv2;
+ STRLEN len1, len2;
+ I32 retval;
+
+ if (collation_standard)
+ goto raw_compare;
+
+ len1 = 0;
+ pv1 = sv1 ? sv_collxfrm(sv1, &len1) : NULL;
+ len2 = 0;
+ pv2 = sv2 ? sv_collxfrm(sv2, &len2) : NULL;
+
+ if (!pv1 || !len1) {
+ if (pv2 && len2)
+ return -1;
+ else
+ goto raw_compare;
+ }
+ else {
+ if (!pv2 || !len2)
+ return 1;
+ }
+
+ retval = memcmp((void*)pv1, (void*)pv2, len1 < len2 ? len1 : len2);
+
+ if (retval)
+ return retval < 0 ? -1 : 1;
+
+ /*
+ * When the result of collation is equality, that doesn't mean
+ * that there are no differences -- some locales exclude some
+ * characters from consideration. So to avoid false equalities,
+ * we use the raw string as a tiebreaker.
+ */
+
+ raw_compare:
+ /* FALL THROUGH */
+
+#endif /* USE_LOCALE_COLLATE */
+
+ return sv_cmp(sv1, sv2);
+}
+
+#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;
+{
+ MAGIC *mg;
+
+ mg = SvMAGICAL(sv) ? mg_find(sv, 'o') : 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))) {
+ if (SvREADONLY(sv)) {
+ SAVEFREEPV(xf);
+ *nxp = xlen;
+ return xf;
+ }
+ 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 && mg->mg_ptr) {
+ *nxp = mg->mg_len;
+ return mg->mg_ptr + sizeof(collation_ix);
+ }
+ else {
+ *nxp = 0;
+ return NULL;
+ }
}
+#endif /* USE_LOCALE_COLLATE */
+
char *
sv_gets(sv,fp,append)
register SV *sv;
-register FILE *fp;
+register PerlIO *fp;
I32 append;
{
- register char *bp; /* we're going to steal some values */
-#if defined(USE_STDIO_PTR) && defined(STDIO_PTR_LVALUE) && defined(STDIO_CNT_LVALUE)
- register I32 cnt; /* from the stdio struct and put EVERYTHING */
- register STDCHAR *ptr; /* in the innermost loop into registers */
- STRLEN bpx;
- I32 shortbuffered;
-#endif
- register I32 newline = rschar;/* (assuming >= 6 registers) */
+ char *rsptr;
+ STRLEN rslen;
+ register STDCHAR rslast;
+ register STDCHAR *bp;
+ register I32 cnt;
I32 i;
if (SvTHINKFIRST(sv)) {
}
if (!SvUPGRADE(sv, SVt_PV))
return 0;
- if (rspara) { /* have to do this both before and after */
+ SvSCREAM_off(sv);
+
+ if (RsSNARF(rs)) {
+ rsptr = NULL;
+ rslen = 0;
+ }
+ else if (RsPARA(rs)) {
+ rsptr = "\n\n";
+ rslen = 2;
+ }
+ else
+ rsptr = SvPV(rs, rslen);
+ rslast = rslen ? rsptr[rslen - 1] : '\0';
+
+ if (RsPARA(rs)) { /* have to do this both before and after */
do { /* to make sure file boundaries work right */
- if (feof(fp))
+ if (PerlIO_eof(fp))
return 0;
- i = getc(fp);
+ i = PerlIO_getc(fp);
if (i != '\n') {
if (i == -1)
return 0;
- ungetc(i,fp);
+ PerlIO_ungetc(fp,i);
break;
}
} while (i != EOF);
}
-#if defined(USE_STDIO_PTR) && defined(STDIO_PTR_LVALUE) && defined(STDIO_CNT_LVALUE)
+
+ /* See if we know enough about I/O mechanism to cheat it ! */
+
+ /* This used to be #ifdef test - it is made run-time test for ease
+ of abstracting out stdio interface. One call should be cheap
+ enough here - and may even be a macro allowing compile
+ time optimization.
+ */
+
+ if (PerlIO_fast_gets(fp)) {
+
+ /*
+ * We're going to steal some values from the stdio struct
+ * and put EVERYTHING in the innermost loop into registers.
+ */
+ register STDCHAR *ptr;
+ STRLEN bpx;
+ I32 shortbuffered;
+
+#if defined(VMS) && defined(PERLIO_IS_STDIO)
+ /* An ungetc()d char is handled separately from the regular
+ * buffer, so we getc() it back out and stuff it in the buffer.
+ */
+ i = PerlIO_getc(fp);
+ if (i == EOF) return 0;
+ *(--((*fp)->_ptr)) = (unsigned char) i;
+ (*fp)->_cnt++;
+#endif
+
/* Here is some breathtakingly efficient cheating */
- cnt = FILE_cnt(fp); /* get count into register */
+
+ cnt = PerlIO_get_cnt(fp); /* get count into register */
(void)SvPOK_only(sv); /* validate pointer */
if (SvLEN(sv) - append <= cnt + 1) { /* make sure we have the room */
if (cnt > 80 && SvLEN(sv) > append) {
}
else {
shortbuffered = 0;
- SvGROW(sv, append+cnt+2);/* (remembering cnt can be -1) */
+ /* remember that cnt can be negative */
+ SvGROW(sv, append + (cnt <= 0 ? 2 : (cnt + 1)));
}
}
else
shortbuffered = 0;
- bp = SvPVX(sv) + append; /* move these two too to registers */
- ptr = FILE_ptr(fp);
+ 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));
+ 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));
for (;;) {
screamer:
if (cnt > 0) {
- while (--cnt >= 0) { /* this */ /* eat */
- if ((*bp++ = *ptr++) == newline) /* really */ /* dust */
- goto thats_all_folks; /* screams */ /* sed :-) */
+ if (rslen) {
+ while (cnt > 0) { /* this | eat */
+ cnt--;
+ if ((*bp++ = *ptr++) == rslast) /* really | dust */
+ goto thats_all_folks; /* screams | sed :-) */
+ }
+ }
+ else {
+ Copy(ptr, bp, cnt, char); /* this | eat */
+ bp += cnt; /* screams | dust */
+ ptr += cnt; /* louder | sed :-) */
+ cnt = 0;
}
}
if (shortbuffered) { /* oh well, must extend */
cnt = shortbuffered;
shortbuffered = 0;
- bpx = bp - SvPVX(sv); /* prepare for possible relocation */
+ bpx = bp - (STDCHAR*)SvPVX(sv); /* box up before relocation */
SvCUR_set(sv, bpx);
SvGROW(sv, SvLEN(sv) + append + cnt + 2);
- bp = SvPVX(sv) + bpx; /* reconstitute our pointer */
+ bp = (STDCHAR*)SvPVX(sv) + bpx; /* unbox after relocation */
continue;
}
- FILE_cnt(fp) = cnt; /* deregisterize cnt and ptr */
- FILE_ptr(fp) = ptr;
- i = _filbuf(fp); /* get more characters */
- cnt = FILE_cnt(fp);
- ptr = FILE_ptr(fp); /* reregisterize cnt and ptr */
+ DEBUG_P(PerlIO_printf(Perl_debug_log,
+ "Screamer: going to getc, ptr=%d, cnt=%d\n",ptr,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));
+ /* This used to call 'filbuf' in stdio form, but as that behaves like
+ 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));
+ 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));
if (i == EOF) /* all done for ever? */
goto thats_really_all_folks;
- bpx = bp - SvPVX(sv); /* prepare for possible relocation */
+ bpx = bp - (STDCHAR*)SvPVX(sv); /* box up before relocation */
SvCUR_set(sv, bpx);
SvGROW(sv, bpx + cnt + 2);
- bp = SvPVX(sv) + bpx; /* reconstitute our pointer */
+ bp = (STDCHAR*)SvPVX(sv) + bpx; /* unbox after relocation */
- if (i == newline) { /* all done for now? */
- *bp++ = i;
+ *bp++ = i; /* store character from PerlIO_getc */
+
+ if (rslen && (STDCHAR)i == rslast) /* all done for now? */
goto thats_all_folks;
- }
- *bp++ = i; /* now go back to screaming loop */
}
thats_all_folks:
- if (rslen > 1 && (bp - SvPVX(sv) < rslen || bcmp(bp - rslen, rs, rslen)))
- goto screamer; /* go back to the fray */
+ if ((rslen > 1 && (bp - (STDCHAR*)SvPVX(sv) < rslen)) ||
+ memNE((char*)bp - rslen, rsptr, rslen))
+ goto screamer; /* go back to the fray */
thats_really_all_folks:
if (shortbuffered)
cnt += shortbuffered;
- FILE_cnt(fp) = cnt; /* put these back or we're in trouble */
- FILE_ptr(fp) = ptr;
+ DEBUG_P(PerlIO_printf(Perl_debug_log,
+ "Screamer: quitting, ptr=%d, cnt=%d\n",ptr,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));
*bp = '\0';
- SvCUR_set(sv, bp - SvPVX(sv)); /* set length */
-
-#else /* USE_STDIO_PTR && STDIO_PTR_LVALUE && STDIO_CNT_LVALUE */
- /*The big, slow, and stupid way */
+ 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)));
+ }
+ else
{
- char buf[8192];
- register char * bpe = buf + sizeof(buf) - 3;
-
-screamer:
- bp = buf;
- while ((i = getc(fp)) != EOF && (*bp++ = i) != newline && bp < bpe) ;
+ /*The big, slow, and stupid way */
+ STDCHAR buf[8192];
+
+screamer2:
+ if (rslen) {
+ register STDCHAR *bpe = buf + sizeof(buf);
+ bp = buf;
+ while ((i = PerlIO_getc(fp)) != EOF && (*bp++ = i) != rslast && bp < bpe)
+ ; /* keep reading */
+ cnt = bp - buf;
+ }
+ else {
+ cnt = PerlIO_read(fp,(char*)buf, sizeof(buf));
+ /* Accomodate broken VAXC compiler, which applies U8 cast to
+ * both args of ?: operator, causing EOF to change into 255
+ */
+ if (cnt) { i = (U8)buf[cnt - 1]; } else { i = EOF; }
+ }
if (append)
- sv_catpvn(sv, buf, bp - buf);
+ sv_catpvn(sv, (char *) buf, cnt);
else
- sv_setpvn(sv, buf, bp - buf);
- if (i != EOF /* joy */
- &&
- (i != newline
- ||
- (rslen > 1
- &&
- (SvCUR(sv) < rslen
- ||
- bcmp(SvPVX(sv) + SvCUR(sv) - rslen, rs, rslen)
- )
- )
- )
- )
+ sv_setpvn(sv, (char *) buf, cnt);
+
+ if (i != EOF && /* joy */
+ (!rslen ||
+ SvCUR(sv) < rslen ||
+ memNE(SvPVX(sv) + SvCUR(sv) - rslen, rsptr, rslen)))
{
append = -1;
- goto screamer;
+ goto screamer2;
}
}
-#endif /* USE_STDIO_PTR && STDIO_PTR_LVALUE && STDIO_CNT_LVALUE */
-
- if (rspara) {
- while (i != EOF) {
- i = getc(fp);
+ if (RsPARA(rs)) { /* have to do this both before and after */
+ while (i != EOF) { /* to make sure file boundaries work right */
+ i = PerlIO_getc(fp);
if (i != '\n') {
- ungetc(i,fp);
+ PerlIO_ungetc(fp,i);
break;
}
}
}
- return SvCUR(sv) - append ? SvPVX(sv) : Nullch;
+
+ return (SvCUR(sv) - append) ? SvPVX(sv) : Nullch;
}
+
void
sv_inc(sv)
register SV *sv;
if (SvGMAGICAL(sv))
mg_get(sv);
flags = SvFLAGS(sv);
- if (flags & SVp_IOK) {
- ++SvIVX(sv);
- (void)SvIOK_only(sv);
- return;
- }
if (flags & SVp_NOK) {
- SvNVX(sv) += 1.0;
(void)SvNOK_only(sv);
+ SvNVX(sv) += 1.0;
+ return;
+ }
+ if (flags & SVp_IOK) {
+ if (SvIVX(sv) == IV_MAX)
+ sv_setnv(sv, (double)IV_MAX + 1.0);
+ else {
+ (void)SvIOK_only(sv);
+ ++SvIVX(sv);
+ }
return;
}
if (!(flags & SVp_POK) || !*SvPVX(sv)) {
- sv_upgrade(sv, SVt_NV);
+ if ((flags & SVTYPEMASK) < SVt_PVNV)
+ sv_upgrade(sv, SVt_NV);
SvNVX(sv) = 1.0;
(void)SvNOK_only(sv);
return;
while (isALPHA(*d)) d++;
while (isDIGIT(*d)) d++;
if (*d) {
- sv_setnv(sv,atof(SvPVX(sv)) + 1.0); /* punt */
+ SET_NUMERIC_STANDARD();
+ sv_setnv(sv,atof(SvPVX(sv)) + 1.0); /* punt */
return;
}
d--;
if (SvGMAGICAL(sv))
mg_get(sv);
flags = SvFLAGS(sv);
- if (flags & SVp_IOK) {
- --SvIVX(sv);
- (void)SvIOK_only(sv);
- return;
- }
if (flags & SVp_NOK) {
SvNVX(sv) -= 1.0;
(void)SvNOK_only(sv);
return;
}
+ if (flags & SVp_IOK) {
+ if (SvIVX(sv) == IV_MIN)
+ sv_setnv(sv, (double)IV_MIN - 1.0);
+ else {
+ (void)SvIOK_only(sv);
+ --SvIVX(sv);
+ }
+ return;
+ }
if (!(flags & SVp_POK)) {
- sv_upgrade(sv, SVt_NV);
+ if ((flags & SVTYPEMASK) < SVt_PVNV)
+ sv_upgrade(sv, SVt_NV);
SvNVX(sv) = -1.0;
(void)SvNOK_only(sv);
return;
}
- sv_setnv(sv,atof(SvPVX(sv)) - 1.0);
+ SET_NUMERIC_STANDARD();
+ sv_setnv(sv,atof(SvPVX(sv)) - 1.0); /* punt */
}
/* Make a string that will exist for the duration of the expression
static void
sv_mortalgrow()
{
- tmps_max += 128;
+ tmps_max += (tmps_max < 512) ? 128 : 512;
Renew(tmps_stack, tmps_max, SV*);
}
{
register SV *sv;
- new_SV();
+ new_SV(sv);
SvANY(sv) = 0;
SvREFCNT(sv) = 1;
SvFLAGS(sv) = 0;
{
register SV *sv;
- new_SV();
+ new_SV(sv);
SvANY(sv) = 0;
SvREFCNT(sv) = 1;
SvFLAGS(sv) = SVs_TEMP;
{
register SV *sv;
- new_SV();
+ new_SV(sv);
SvANY(sv) = 0;
SvREFCNT(sv) = 1;
SvFLAGS(sv) = 0;
{
register SV *sv;
- new_SV();
+ new_SV(sv);
SvANY(sv) = 0;
SvREFCNT(sv) = 1;
SvFLAGS(sv) = 0;
{
register SV *sv;
- new_SV();
+ new_SV(sv);
SvANY(sv) = 0;
SvREFCNT(sv) = 1;
SvFLAGS(sv) = 0;
{
register SV *sv;
- new_SV();
+ new_SV(sv);
SvANY(sv) = 0;
SvREFCNT(sv) = 1;
SvFLAGS(sv) = 0;
return sv;
}
+#ifdef CRIPPLED_CC
+SV *
+newRV_noinc(ref)
+SV *ref;
+{
+ register SV *sv;
+
+ sv = newRV(ref);
+ SvREFCNT_dec(ref);
+ return sv;
+}
+#endif /* CRIPPLED_CC */
+
/* make an exact duplicate of old */
SV *
warn("semi-panic: attempt to dup freed string");
return Nullsv;
}
- new_SV();
+ new_SV(sv);
SvANY(sv) = 0;
SvREFCNT(sv) = 1;
SvFLAGS(sv) = 0;
for (i = 0; i <= (I32) HvMAX(stash); i++) {
for (entry = HvARRAY(stash)[i];
entry;
- entry = entry->hent_next) {
- if (!todo[(U8)*entry->hent_key])
+ entry = HeNEXT(entry)) {
+ if (!todo[(U8)*HeKEY(entry)])
continue;
- gv = (GV*)entry->hent_val;
+ gv = (GV*)HeVAL(entry);
sv = GvSV(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)
return Nullcv;
*st = GvESTASH(gv);
fix_gv:
- if (lref && !GvCV(gv)) {
+ if (lref && !GvCVu(gv)) {
+ SV *tmpsv;
ENTER;
- sv = NEWSV(704,0);
- gv_efullname(sv, gv);
- newSUB(start_subparse(),
- newSVOP(OP_CONST, 0, sv),
+ tmpsv = NEWSV(704,0);
+ gv_efullname3(tmpsv, gv, Nullch);
+ newSUB(start_subparse(FALSE, 0),
+ newSVOP(OP_CONST, 0, tmpsv),
+ Nullop,
Nullop);
LEAVE;
+ if (!GvCVu(gv))
+ croak("Unable to create sub named \"%s\"", SvPV(sv,na));
}
- return GvCV(gv);
+ return GvCVu(gv);
}
}
}
}
}
-#endif /* SvTRUE */
+#endif /* !SvTRUE */
#ifndef SvIV
-IV SvIV(Sv)
-register SV *Sv;
+IV
+SvIV(sv)
+register SV *sv;
{
- if (SvIOK(Sv))
- return SvIVX(Sv);
- return sv_2iv(Sv);
+ if (SvIOK(sv))
+ return SvIVX(sv);
+ return sv_2iv(sv);
}
-#endif /* SvIV */
+#endif /* !SvIV */
+#ifndef SvUV
+UV
+SvUV(sv)
+register SV *sv;
+{
+ if (SvIOK(sv))
+ return SvUVX(sv);
+ return sv_2uv(sv);
+}
+#endif /* !SvUV */
#ifndef SvNV
-double SvNV(Sv)
-register SV *Sv;
+double
+SvNV(sv)
+register SV *sv;
{
- if (SvNOK(Sv))
- return SvNVX(Sv);
- if (SvIOK(Sv))
- return (double)SvIVX(Sv);
- return sv_2nv(Sv);
+ if (SvNOK(sv))
+ return SvNVX(sv);
+ return sv_2nv(sv);
}
-#endif /* SvNV */
+#endif /* !SvNV */
#ifdef CRIPPLED_CC
char *
}
else {
if (SvTYPE(sv) > SVt_PVLV && SvTYPE(sv) != SVt_PVFM) {
- if (SvTYPE(sv) == SVt_PVGV && SvFAKE(sv)) {
+ if (SvFAKE(sv) && SvTYPE(sv) == SVt_PVGV) {
sv_unglob(sv);
- s = SvPVX(sv);
- *lp = SvCUR(sv);
- }
+ s = SvPVX(sv);
+ *lp = SvCUR(sv);
+ }
else
croak("Can't coerce %s to string in %s", sv_reftype(sv,0),
op_name[op->op_type]);
}
- else
- s = sv_2pv(sv, lp);
+ else
+ s = sv_2pv(sv, lp);
if (s != SvPVX(sv)) { /* Almost, but not quite, sv_setpvn() */
STRLEN len = *lp;
if (!SvPOK(sv)) {
SvPOK_on(sv); /* validate pointer */
SvTAINT(sv);
- DEBUG_c(fprintf(stderr,"0x%lx 2pv(%s)\n",
+ DEBUG_c(PerlIO_printf(Perl_debug_log, "0x%lx 2pv(%s)\n",
(unsigned long)sv,SvPVX(sv)));
}
}
{
SV *sv;
- new_SV();
+ new_SV(sv);
SvANY(sv) = 0;
SvREFCNT(sv) = 0;
SvFLAGS(sv) = 0;
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;
assert(SvTYPE(sv) == SVt_PVGV);
SvFAKE_off(sv);
if (GvGP(sv))
- gp_free(sv);
+ gp_free((GV*)sv);
sv_unmagic(sv, '*');
Safefree(GvNAME(sv));
- SvMULTI_off(sv);
+ GvMULTI_off(sv);
SvFLAGS(sv) &= ~SVTYPEMASK;
SvFLAGS(sv) |= SVt_PVMG;
}
SvRV(sv) = 0;
SvROK_off(sv);
- if (SvREFCNT(rv) == 1)
- sv_2mortal(rv);
+ if (SvREFCNT(rv) != 1 || SvREADONLY(rv))
+ SvREFCNT_dec(rv);
else
- SvREFCNT_dec(rv);
+ 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_magic((sv), Nullsv, 't', Nullch, 0);
+}
+
+void
+sv_untaint(sv)
+SV *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;
+{
+ 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;
}
#ifdef DEBUGGING
U32 type;
if (!sv) {
- fprintf(stderr, "SV = 0\n");
+ PerlIO_printf(Perl_debug_log, "SV = 0\n");
return;
}
if (flags & SVf_READONLY) strcat(d, "READONLY,");
d += strlen(d);
+#ifdef OVERLOAD
+ if (flags & SVf_AMAGIC) strcat(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,");
+
+ switch (type) {
+ case SVt_PVCV:
+ case SVt_PVFM:
+ if (CvANON(sv)) strcat(d, "ANON,");
+ if (CvUNIQUE(sv)) strcat(d, "UNIQUE,");
+ if (CvCLONE(sv)) strcat(d, "CLONE,");
+ if (CvCLONED(sv)) strcat(d, "CLONED,");
+ if (CvNODEBUG(sv)) strcat(d, "NODEBUG,");
+ break;
+ case SVt_PVHV:
+ if (HvSHAREKEYS(sv)) strcat(d, "SHAREKEYS,");
+ if (HvLAZYDEL(sv)) strcat(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, " ),");
+ }
+ }
+ }
+
d += strlen(d);
if (d[-1] == ',')
d--;
*d++ = ')';
*d = '\0';
- fprintf(stderr, "SV = ");
+ PerlIO_printf(Perl_debug_log, "SV = ");
switch (type) {
case SVt_NULL:
- fprintf(stderr,"NULL%s\n", tmpbuf);
+ PerlIO_printf(Perl_debug_log, "NULL%s\n", tmpbuf);
return;
case SVt_IV:
- fprintf(stderr,"IV%s\n", tmpbuf);
+ PerlIO_printf(Perl_debug_log, "IV%s\n", tmpbuf);
break;
case SVt_NV:
- fprintf(stderr,"NV%s\n", tmpbuf);
+ PerlIO_printf(Perl_debug_log, "NV%s\n", tmpbuf);
break;
case SVt_RV:
- fprintf(stderr,"RV%s\n", tmpbuf);
+ PerlIO_printf(Perl_debug_log, "RV%s\n", tmpbuf);
break;
case SVt_PV:
- fprintf(stderr,"PV%s\n", tmpbuf);
+ PerlIO_printf(Perl_debug_log, "PV%s\n", tmpbuf);
break;
case SVt_PVIV:
- fprintf(stderr,"PVIV%s\n", tmpbuf);
+ PerlIO_printf(Perl_debug_log, "PVIV%s\n", tmpbuf);
break;
case SVt_PVNV:
- fprintf(stderr,"PVNV%s\n", tmpbuf);
+ PerlIO_printf(Perl_debug_log, "PVNV%s\n", tmpbuf);
break;
case SVt_PVBM:
- fprintf(stderr,"PVBM%s\n", tmpbuf);
+ PerlIO_printf(Perl_debug_log, "PVBM%s\n", tmpbuf);
break;
case SVt_PVMG:
- fprintf(stderr,"PVMG%s\n", tmpbuf);
+ PerlIO_printf(Perl_debug_log, "PVMG%s\n", tmpbuf);
break;
case SVt_PVLV:
- fprintf(stderr,"PVLV%s\n", tmpbuf);
+ PerlIO_printf(Perl_debug_log, "PVLV%s\n", tmpbuf);
break;
case SVt_PVAV:
- fprintf(stderr,"PVAV%s\n", tmpbuf);
+ PerlIO_printf(Perl_debug_log, "PVAV%s\n", tmpbuf);
break;
case SVt_PVHV:
- fprintf(stderr,"PVHV%s\n", tmpbuf);
+ PerlIO_printf(Perl_debug_log, "PVHV%s\n", tmpbuf);
break;
case SVt_PVCV:
- fprintf(stderr,"PVCV%s\n", tmpbuf);
+ PerlIO_printf(Perl_debug_log, "PVCV%s\n", tmpbuf);
break;
case SVt_PVGV:
- fprintf(stderr,"PVGV%s\n", tmpbuf);
+ PerlIO_printf(Perl_debug_log, "PVGV%s\n", tmpbuf);
break;
case SVt_PVFM:
- fprintf(stderr,"PVFM%s\n", tmpbuf);
+ PerlIO_printf(Perl_debug_log, "PVFM%s\n", tmpbuf);
break;
case SVt_PVIO:
- fprintf(stderr,"PVIO%s\n", tmpbuf);
+ PerlIO_printf(Perl_debug_log, "PVIO%s\n", tmpbuf);
break;
default:
- fprintf(stderr,"UNKNOWN%s\n", tmpbuf);
+ PerlIO_printf(Perl_debug_log, "UNKNOWN%s\n", tmpbuf);
return;
}
if (type >= SVt_PVIV || type == SVt_IV)
- fprintf(stderr, " IV = %ld\n", (long)SvIVX(sv));
- if (type >= SVt_PVNV || type == SVt_NV)
- fprintf(stderr, " NV = %.*g\n", DBL_DIG, SvNVX(sv));
+ PerlIO_printf(Perl_debug_log, " IV = %ld\n", (long)SvIVX(sv));
+ if (type >= SVt_PVNV || type == SVt_NV) {
+ SET_NUMERIC_STANDARD();
+ PerlIO_printf(Perl_debug_log, " NV = %.*g\n", DBL_DIG, SvNVX(sv));
+ }
if (SvROK(sv)) {
- fprintf(stderr, " RV = 0x%lx\n", (long)SvRV(sv));
+ PerlIO_printf(Perl_debug_log, " RV = 0x%lx\n", (long)SvRV(sv));
sv_dump(SvRV(sv));
return;
}
return;
if (type <= SVt_PVLV) {
if (SvPVX(sv))
- fprintf(stderr, " PV = 0x%lx \"%s\"\n CUR = %ld\n LEN = %ld\n",
+ PerlIO_printf(Perl_debug_log, " PV = 0x%lx \"%s\"\n CUR = %ld\n LEN = %ld\n",
(long)SvPVX(sv), SvPVX(sv), (long)SvCUR(sv), (long)SvLEN(sv));
else
- fprintf(stderr, " PV = 0\n");
+ PerlIO_printf(Perl_debug_log, " PV = 0\n");
}
if (type >= SVt_PVMG) {
if (SvMAGIC(sv)) {
- fprintf(stderr, " MAGIC = 0x%lx\n", (long)SvMAGIC(sv));
+ PerlIO_printf(Perl_debug_log, " MAGIC = 0x%lx\n", (long)SvMAGIC(sv));
}
if (SvSTASH(sv))
- fprintf(stderr, " STASH = %s\n", HvNAME(SvSTASH(sv)));
+ PerlIO_printf(Perl_debug_log, " STASH = \"%s\"\n", HvNAME(SvSTASH(sv)));
}
switch (type) {
case SVt_PVLV:
- fprintf(stderr, " TYPE = %c\n", LvTYPE(sv));
- fprintf(stderr, " TARGOFF = %ld\n", (long)LvTARGOFF(sv));
- fprintf(stderr, " TARGLEN = %ld\n", (long)LvTARGLEN(sv));
- fprintf(stderr, " TARG = 0x%lx\n", (long)LvTARG(sv));
+ PerlIO_printf(Perl_debug_log, " TYPE = %c\n", LvTYPE(sv));
+ PerlIO_printf(Perl_debug_log, " TARGOFF = %ld\n", (long)LvTARGOFF(sv));
+ PerlIO_printf(Perl_debug_log, " TARGLEN = %ld\n", (long)LvTARGLEN(sv));
+ PerlIO_printf(Perl_debug_log, " TARG = 0x%lx\n", (long)LvTARG(sv));
sv_dump(LvTARG(sv));
break;
case SVt_PVAV:
- fprintf(stderr, " ARRAY = 0x%lx\n", (long)AvARRAY(sv));
- fprintf(stderr, " ALLOC = 0x%lx\n", (long)AvALLOC(sv));
- fprintf(stderr, " FILL = %ld\n", (long)AvFILL(sv));
- fprintf(stderr, " MAX = %ld\n", (long)AvMAX(sv));
- fprintf(stderr, " ARYLEN = 0x%lx\n", (long)AvARYLEN(sv));
- if (AvREAL(sv))
- fprintf(stderr, " FLAGS = (REAL)\n");
- else
- fprintf(stderr, " FLAGS = ()\n");
+ PerlIO_printf(Perl_debug_log, " ARRAY = 0x%lx\n", (long)AvARRAY(sv));
+ PerlIO_printf(Perl_debug_log, " ALLOC = 0x%lx\n", (long)AvALLOC(sv));
+ PerlIO_printf(Perl_debug_log, " FILL = %ld\n", (long)AvFILL(sv));
+ 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);
break;
case SVt_PVHV:
- fprintf(stderr, " ARRAY = 0x%lx\n",(long)HvARRAY(sv));
- fprintf(stderr, " KEYS = %ld\n", (long)HvKEYS(sv));
- fprintf(stderr, " FILL = %ld\n", (long)HvFILL(sv));
- fprintf(stderr, " MAX = %ld\n", (long)HvMAX(sv));
- fprintf(stderr, " RITER = %ld\n", (long)HvRITER(sv));
- fprintf(stderr, " EITER = 0x%lx\n",(long) HvEITER(sv));
+ PerlIO_printf(Perl_debug_log, " ARRAY = 0x%lx\n",(long)HvARRAY(sv));
+ PerlIO_printf(Perl_debug_log, " KEYS = %ld\n", (long)HvKEYS(sv));
+ PerlIO_printf(Perl_debug_log, " FILL = %ld\n", (long)HvFILL(sv));
+ PerlIO_printf(Perl_debug_log, " MAX = %ld\n", (long)HvMAX(sv));
+ PerlIO_printf(Perl_debug_log, " RITER = %ld\n", (long)HvRITER(sv));
+ PerlIO_printf(Perl_debug_log, " EITER = 0x%lx\n",(long) HvEITER(sv));
if (HvPMROOT(sv))
- fprintf(stderr, " PMROOT = 0x%lx\n",(long)HvPMROOT(sv));
+ PerlIO_printf(Perl_debug_log, " PMROOT = 0x%lx\n",(long)HvPMROOT(sv));
if (HvNAME(sv))
- fprintf(stderr, " NAME = \"%s\"\n", HvNAME(sv));
+ PerlIO_printf(Perl_debug_log, " NAME = \"%s\"\n", HvNAME(sv));
break;
- case SVt_PVFM:
case SVt_PVCV:
- fprintf(stderr, " STASH = 0x%lx\n", (long)CvSTASH(sv));
- fprintf(stderr, " START = 0x%lx\n", (long)CvSTART(sv));
- fprintf(stderr, " ROOT = 0x%lx\n", (long)CvROOT(sv));
- fprintf(stderr, " XSUB = 0x%lx\n", (long)CvXSUB(sv));
- fprintf(stderr, " XSUBANY = %ld\n", (long)CvXSUBANY(sv).any_i32);
- fprintf(stderr, " FILEGV = 0x%lx\n", (long)CvFILEGV(sv));
- fprintf(stderr, " DEPTH = %ld\n", (long)CvDEPTH(sv));
- fprintf(stderr, " PADLIST = 0x%lx\n", (long)CvPADLIST(sv));
- fprintf(stderr, " OUTSIDE = 0x%lx\n", (long)CvOUTSIDE(sv));
+ 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, " XSUB = 0x%lx\n", (long)CvXSUB(sv));
+ PerlIO_printf(Perl_debug_log, " XSUBANY = %ld\n", (long)CvXSUBANY(sv).any_i32);
+ PerlIO_printf(Perl_debug_log, " GV = 0x%lx", (long)CvGV(sv));
+ if (CvGV(sv) && GvNAME(CvGV(sv))) {
+ PerlIO_printf(Perl_debug_log, " \"%s\"\n", GvNAME(CvGV(sv)));
+ } else {
+ PerlIO_printf(Perl_debug_log, "\n");
+ }
+ PerlIO_printf(Perl_debug_log, " FILEGV = 0x%lx\n", (long)CvFILEGV(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));
if (type == SVt_PVFM)
- fprintf(stderr, " LINES = %ld\n", (long)FmLINES(sv));
+ PerlIO_printf(Perl_debug_log, " LINES = %ld\n", (long)FmLINES(sv));
break;
case SVt_PVGV:
- fprintf(stderr, " NAME = %s\n", GvNAME(sv));
- fprintf(stderr, " NAMELEN = %ld\n", (long)GvNAMELEN(sv));
- fprintf(stderr, " STASH = 0x%lx\n", (long)GvSTASH(sv));
- fprintf(stderr, " GP = 0x%lx\n", (long)GvGP(sv));
- fprintf(stderr, " SV = 0x%lx\n", (long)GvSV(sv));
- fprintf(stderr, " REFCNT = %ld\n", (long)GvREFCNT(sv));
- fprintf(stderr, " IO = 0x%lx\n", (long)GvIOp(sv));
- fprintf(stderr, " FORM = 0x%lx\n", (long)GvFORM(sv));
- fprintf(stderr, " AV = 0x%lx\n", (long)GvAV(sv));
- fprintf(stderr, " HV = 0x%lx\n", (long)GvHV(sv));
- fprintf(stderr, " CV = 0x%lx\n", (long)GvCV(sv));
- fprintf(stderr, " CVGEN = 0x%lx\n", (long)GvCVGEN(sv));
- fprintf(stderr, " LASTEXPR = %ld\n", (long)GvLASTEXPR(sv));
- fprintf(stderr, " LINE = %ld\n", (long)GvLINE(sv));
- fprintf(stderr, " FLAGS = 0x%x\n", (int)GvFLAGS(sv));
- fprintf(stderr, " STASH = 0x%lx\n", (long)GvSTASH(sv));
- fprintf(stderr, " EGV = 0x%lx\n", (long)GvEGV(sv));
+ PerlIO_printf(Perl_debug_log, " NAME = \"%s\"\n", GvNAME(sv));
+ PerlIO_printf(Perl_debug_log, " NAMELEN = %ld\n", (long)GvNAMELEN(sv));
+ PerlIO_printf(Perl_debug_log, " STASH = \"%s\"\n", HvNAME(GvSTASH(sv)));
+ PerlIO_printf(Perl_debug_log, " GP = 0x%lx\n", (long)GvGP(sv));
+ PerlIO_printf(Perl_debug_log, " SV = 0x%lx\n", (long)GvSV(sv));
+ PerlIO_printf(Perl_debug_log, " REFCNT = %ld\n", (long)GvREFCNT(sv));
+ PerlIO_printf(Perl_debug_log, " IO = 0x%lx\n", (long)GvIOp(sv));
+ PerlIO_printf(Perl_debug_log, " FORM = 0x%lx\n", (long)GvFORM(sv));
+ PerlIO_printf(Perl_debug_log, " AV = 0x%lx\n", (long)GvAV(sv));
+ PerlIO_printf(Perl_debug_log, " HV = 0x%lx\n", (long)GvHV(sv));
+ PerlIO_printf(Perl_debug_log, " CV = 0x%lx\n", (long)GvCV(sv));
+ PerlIO_printf(Perl_debug_log, " CVGEN = 0x%lx\n", (long)GvCVGEN(sv));
+ PerlIO_printf(Perl_debug_log, " LASTEXPR = %ld\n", (long)GvLASTEXPR(sv));
+ PerlIO_printf(Perl_debug_log, " LINE = %ld\n", (long)GvLINE(sv));
+ PerlIO_printf(Perl_debug_log, " FILEGV = 0x%lx\n", (long)GvFILEGV(sv));
+ PerlIO_printf(Perl_debug_log, " EGV = 0x%lx\n", (long)GvEGV(sv));
break;
case SVt_PVIO:
- fprintf(stderr, " IFP = 0x%lx\n", (long)IoIFP(sv));
- fprintf(stderr, " OFP = 0x%lx\n", (long)IoOFP(sv));
- fprintf(stderr, " DIRP = 0x%lx\n", (long)IoDIRP(sv));
- fprintf(stderr, " LINES = %ld\n", (long)IoLINES(sv));
- fprintf(stderr, " PAGE = %ld\n", (long)IoPAGE(sv));
- fprintf(stderr, " PAGE_LEN = %ld\n", (long)IoPAGE_LEN(sv));
- fprintf(stderr, " LINES_LEFT = %ld\n", (long)IoLINES_LEFT(sv));
- fprintf(stderr, " TOP_NAME = %s\n", IoTOP_NAME(sv));
- fprintf(stderr, " TOP_GV = 0x%lx\n", (long)IoTOP_GV(sv));
- fprintf(stderr, " FMT_NAME = %s\n", IoFMT_NAME(sv));
- fprintf(stderr, " FMT_GV = 0x%lx\n", (long)IoFMT_GV(sv));
- fprintf(stderr, " BOTTOM_NAME = %s\n", IoBOTTOM_NAME(sv));
- fprintf(stderr, " BOTTOM_GV = 0x%lx\n", (long)IoBOTTOM_GV(sv));
- fprintf(stderr, " SUBPROCESS = %ld\n", (long)IoSUBPROCESS(sv));
- fprintf(stderr, " TYPE = %c\n", IoTYPE(sv));
- fprintf(stderr, " FLAGS = 0x%lx\n", (long)IoFLAGS(sv));
+ PerlIO_printf(Perl_debug_log, " IFP = 0x%lx\n", (long)IoIFP(sv));
+ PerlIO_printf(Perl_debug_log, " OFP = 0x%lx\n", (long)IoOFP(sv));
+ PerlIO_printf(Perl_debug_log, " DIRP = 0x%lx\n", (long)IoDIRP(sv));
+ PerlIO_printf(Perl_debug_log, " LINES = %ld\n", (long)IoLINES(sv));
+ PerlIO_printf(Perl_debug_log, " PAGE = %ld\n", (long)IoPAGE(sv));
+ PerlIO_printf(Perl_debug_log, " PAGE_LEN = %ld\n", (long)IoPAGE_LEN(sv));
+ PerlIO_printf(Perl_debug_log, " LINES_LEFT = %ld\n", (long)IoLINES_LEFT(sv));
+ PerlIO_printf(Perl_debug_log, " TOP_NAME = \"%s\"\n", IoTOP_NAME(sv));
+ PerlIO_printf(Perl_debug_log, " TOP_GV = 0x%lx\n", (long)IoTOP_GV(sv));
+ PerlIO_printf(Perl_debug_log, " FMT_NAME = \"%s\"\n", IoFMT_NAME(sv));
+ PerlIO_printf(Perl_debug_log, " FMT_GV = 0x%lx\n", (long)IoFMT_GV(sv));
+ PerlIO_printf(Perl_debug_log, " BOTTOM_NAME = \"%s\"\n", IoBOTTOM_NAME(sv));
+ PerlIO_printf(Perl_debug_log, " BOTTOM_GV = 0x%lx\n", (long)IoBOTTOM_GV(sv));
+ PerlIO_printf(Perl_debug_log, " SUBPROCESS = %ld\n", (long)IoSUBPROCESS(sv));
+ PerlIO_printf(Perl_debug_log, " TYPE = %c\n", IoTYPE(sv));
+ PerlIO_printf(Perl_debug_log, " FLAGS = 0x%lx\n", (long)IoFLAGS(sv));
break;
}
}
{
}
#endif
-
-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;
-}
-