#define PERL_IN_SV_C
#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)
-*/
-#ifdef I_LIMITS
-#include <limits.h>
-#endif
-#ifdef I_FLOAT
-#include <float.h>
-#endif
-#ifndef HAS_DBL_DIG
-#define DBL_DIG 15 /* A guess that works lots of places */
-#endif
-#endif
-
-#ifdef PERL_OBJECT
-#define VTBL this->*vtbl
-#else /* !PERL_OBJECT */
-#define VTBL *vtbl
-#endif /* PERL_OBJECT */
-
#define FCALL *f
#define SV_CHECK_THINKFIRST(sv) if (SvTHINKFIRST(sv)) sv_force_normal(sv)
pv = (char*)SvRV(sv);
cur = 0;
len = 0;
- iv = (IV)pv;
- nv = (NV)(unsigned long)pv;
+ iv = PTR2IV(pv);
+ nv = PTR2NV(pv);
del_XRV(SvANY(sv));
magic = 0;
stash = 0;
SV* tmpstr;
if (SvAMAGIC(sv) && (tmpstr=AMG_CALLun(sv, numer)))
return SvIV(tmpstr);
- return (IV)SvRV(sv);
+ return PTR2IV(SvRV(sv));
}
if (SvREADONLY(sv) && !SvOK(sv)) {
dTHR;
#ifdef IV_IS_QUAD
DEBUG_c(PerlIO_printf(Perl_debug_log,
"0x%" PERL_PRIx64 " 2iv(%" PERL_PRIu64 " => %" PERL_PRId64 ") (as unsigned)\n",
- (UV)sv,
+ PTR2UV(sv),
(UV)SvUVX(sv), (IV)SvUVX(sv)));
#else
DEBUG_c(PerlIO_printf(Perl_debug_log,
SV* tmpstr;
if (SvAMAGIC(sv) && (tmpstr=AMG_CALLun(sv, numer)))
return SvUV(tmpstr);
- return (UV)SvRV(sv);
+ return PTR2UV(SvRV(sv));
}
if (SvREADONLY(sv) && !SvOK(sv)) {
dTHR;
SV* tmpstr;
if (SvAMAGIC(sv) && (tmpstr=AMG_CALLun(sv,numer)))
return SvNV(tmpstr);
- return (NV)(unsigned long)SvRV(sv);
+ return PTR2NV(SvRV(sv));
}
if (SvREADONLY(sv) && !SvOK(sv)) {
dTHR;
goto tokensave;
}
if (SvNOKp(sv)) {
- Gconvert(SvNVX(sv), DBL_DIG, 0, tmpbuf);
+ Gconvert(SvNVX(sv), NV_DIG, 0, tmpbuf);
tsv = Nullsv;
goto tokensave;
}
else
sv_setpv(tsv, s);
#ifdef IV_IS_QUAD
- Perl_sv_catpvf(aTHX_ tsv, "(0x%" PERL_PRIx64")", (UV)sv);
+ Perl_sv_catpvf(aTHX_ tsv, "(0x%" PERL_PRIx64")", PTR2UV(sv));
#else
Perl_sv_catpvf(aTHX_ tsv, "(0x%lx)", (unsigned long)sv);
#endif
}
if (SvNOKp(sv)) { /* See note in sv_2uv() */
/* XXXX 64-bit? IV may have better precision... */
+ /* I tried changing this for to be 64-bit-aware and
+ * the t/op/numconvert.t became very, very, angry.
+ * --jhi Sep 1999 */
if (SvTYPE(sv) < SVt_PVNV)
sv_upgrade(sv, SVt_PVNV);
SvGROW(sv, 28);
else
#endif /*apollo*/
{
- Gconvert(SvNVX(sv), DBL_DIG, 0, s);
+ Gconvert(SvNVX(sv), NV_DIG, 0, s);
}
errno = olderrno;
#ifdef FIXNEGATIVEZERO
MGVTBL* vtbl = mg->mg_virtual;
*mgp = mg->mg_moremagic;
if (vtbl && (vtbl->svt_free != NULL))
- (VTBL->svt_free)(aTHX_ sv, mg);
+ CALL_FPTR(vtbl->svt_free)(aTHX_ sv, mg);
if (mg->mg_ptr && mg->mg_type != 'g')
if (mg->mg_len >= 0)
Safefree(mg->mg_ptr);
IV i;
if (SvAMAGIC(sv) && AMG_CALLun(sv,inc))
return;
- i = (IV)SvRV(sv);
+ i = PTR2IV(SvRV(sv));
sv_unref(sv);
sv_setiv(sv, i);
}
IV i;
if (SvAMAGIC(sv) && AMG_CALLun(sv,dec))
return;
- i = (IV)SvRV(sv);
+ i = PTR2IV(SvRV(sv));
sv_unref(sv);
sv_setiv(sv, i);
}
SvSETMAGIC(rv);
}
else
- sv_setiv(newSVrv(rv,classname), (IV)pv);
+ sv_setiv(newSVrv(rv,classname), PTR2IV(pv));
return rv;
}
}
void
-Perl_sv_vsetpvfn(pTHX_ SV *sv, const char *pat, STRLEN patlen, va_list *args, SV **svargs, I32 svmax, bool *used_locale)
+Perl_sv_vsetpvfn(pTHX_ SV *sv, const char *pat, STRLEN patlen, va_list *args, SV **svargs, I32 svmax, bool *maybe_tainted)
{
sv_setpvn(sv, "", 0);
- sv_vcatpvfn(sv, pat, patlen, args, svargs, svmax, used_locale);
+ sv_vcatpvfn(sv, pat, patlen, args, svargs, svmax, maybe_tainted);
}
void
-Perl_sv_vcatpvfn(pTHX_ SV *sv, const char *pat, STRLEN patlen, va_list *args, SV **svargs, I32 svmax, bool *used_locale)
+Perl_sv_vcatpvfn(pTHX_ SV *sv, const char *pat, STRLEN patlen, va_list *args, SV **svargs, I32 svmax, bool *maybe_tainted)
{
dTHR;
char *p;
char *eptr = Nullch;
STRLEN elen = 0;
- char ebuf[TYPE_DIGITS(int) * 2 + 16]; /* large enough for "%#.#f" */
+ /* Times 4: a decimal digit takes more than 3 binary digits.
+ * NV_DIG: mantissa takes than many decimal digits.
+ * Plus 32: Playing safe. */
+ char ebuf[IV_DIG * 4 + NV_DIG + 32];
+ /* large enough for "%#.#f" --chip */
+ /* what about long double NVs? --jhi */
char c;
int i;
unsigned base;
case 'p':
if (args)
- uv = (UV)va_arg(*args, void*);
+ uv = PTR2UV(va_arg(*args, void*));
else
- uv = (svix < svmax) ? (UV)svargs[svix++] : 0;
+ uv = (svix < svmax) ? PTR2UV(svargs[svix++]) : 0;
base = 16;
goto integer;
case 'D':
#ifdef IV_IS_QUAD
- /* nothing */
+ intsize = 'q';
#else
intsize = 'l';
#endif
if (args) {
switch (intsize) {
case 'h': iv = (short)va_arg(*args, int); break;
-#ifdef IV_IS_QUAD
- default: iv = va_arg(*args, IV); break;
-#else
default: iv = va_arg(*args, int); break;
-#endif
case 'l': iv = va_arg(*args, long); break;
case 'V': iv = va_arg(*args, IV); break;
#ifdef HAS_QUAD
iv = (svix < svmax) ? SvIVx(svargs[svix++]) : 0;
switch (intsize) {
case 'h': iv = (short)iv; break;
-#ifdef IV_IS_QUAD
- default: break;
-#else
default: iv = (int)iv; break;
-#endif
case 'l': iv = (long)iv; break;
case 'V': break;
#ifdef HAS_QUAD
case 'U':
#ifdef IV_IS_QUAD
- /* nothing */
+ intsize = 'q';
#else
intsize = 'l';
#endif
case 'O':
#ifdef IV_IS_QUAD
- /* nothing */
+ intsize = 'q';
#else
intsize = 'l';
#endif
if (args) {
switch (intsize) {
case 'h': uv = (unsigned short)va_arg(*args, unsigned); break;
-#ifdef UV_IS_QUAD
- default: uv = va_arg(*args, UV); break;
-#else
default: uv = va_arg(*args, unsigned); break;
-#endif
case 'l': uv = va_arg(*args, unsigned long); break;
case 'V': uv = va_arg(*args, UV); break;
#ifdef HAS_QUAD
uv = (svix < svmax) ? SvUVx(svargs[svix++]) : 0;
switch (intsize) {
case 'h': uv = (unsigned short)uv; break;
-#ifdef UV_IS_QUAD
- default: break;
-#else
default: uv = (unsigned)uv; break;
-#endif
case 'l': uv = (unsigned long)uv; break;
case 'V': break;
#ifdef HAS_QUAD
dig = uv & 1;
*--eptr = '0' + dig;
} while (uv >>= 1);
- if (alt && *eptr != '0')
- *--eptr = '0';
+ if (alt) {
+ esignbuf[esignlen++] = '0';
+ esignbuf[esignlen++] = 'b';
+ }
break;
default: /* it had better be ten or less */
+#if defined(PERL_Y2KWARN)
+ if (ckWARN(WARN_MISC)) {
+ STRLEN n;
+ char *s = SvPV(sv,n);
+ if (n >= 2 && s[n-2] == '1' && s[n-1] == '9'
+ && (n == 2 || !isDIGIT(s[n-3])))
+ {
+ Perl_warner(aTHX_ WARN_MISC,
+ "Possible Y2K bug: %%%c %s",
+ c, "format string following '19'");
+ }
+ }
+#endif
do {
dig = uv % base;
*--eptr = '0' + dig;
Safefree(PL_efloatbuf);
PL_efloatsize = need + 20; /* more fudge */
New(906, PL_efloatbuf, PL_efloatsize, char);
+ PL_efloatbuf[0] = '\0';
}
eptr = ebuf + sizeof ebuf;
#ifdef USE_LONG_DOUBLE
{
char* p = PERL_PRIfldbl + sizeof(PERL_PRIfldbl) - 3;
- while (p >= PERL_PRIfldbl) { *--eptr = *p-- }
+ while (p >= PERL_PRIfldbl) { *--eptr = *p--; }
}
#endif
if (has_precis) {
eptr = PL_efloatbuf;
elen = strlen(PL_efloatbuf);
-#ifdef LC_NUMERIC
+#ifdef USE_LOCALE_NUMERIC
/*
* User-defined locales may include arbitrary characters.
- * And, unfortunately, some system may alloc the "C" locale
- * to be overridden by a malicious user.
+ * And, unfortunately, some (broken) systems may allow the
+ * "C" locale to be overridden by a malicious user.
+ * XXX This is an extreme way to cope with broken systems.
*/
- if (used_locale)
- *used_locale = TRUE;
-#endif /* LC_NUMERIC */
+ if (maybe_tainted && PL_tainting) {
+ /* safe if it matches /[-+]?\d*(\.\d*)?([eE][-+]?\d*)?/ */
+ if (*eptr == '-' || *eptr == '+')
+ ++eptr;
+ while (isDIGIT(*eptr))
+ ++eptr;
+ if (*eptr == '.') {
+ ++eptr;
+ while (isDIGIT(*eptr))
+ ++eptr;
+ }
+ if (*eptr == 'e' || *eptr == 'E') {
+ ++eptr;
+ if (*eptr == '-' || *eptr == '+')
+ ++eptr;
+ while (isDIGIT(*eptr))
+ ++eptr;
+ }
+ if (*eptr)
+ *maybe_tainted = TRUE; /* results are suspect */
+ eptr = PL_efloatbuf;
+ }
+#endif /* USE_LOCALE_NUMERIC */
break;
if (args) {
switch (intsize) {
case 'h': *(va_arg(*args, short*)) = i; break;
-#ifdef IV_IS_QUAD
- default: *(va_arg(*args, IV*)) = i; break;
-#else
default: *(va_arg(*args, int*)) = i; break;
-#endif
case 'l': *(va_arg(*args, long*)) = i; break;
case 'V': *(va_arg(*args, IV*)) = i; break;
#ifdef HAS_QUAD
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