sv_setsv(TARG, sv);
*SvPV_force(TARG, len) = *s == '-' ? '+' : '-';
}
+ else if (IN_UTF8 && *(U8*)s >= 0xc0 && isIDFIRST_utf8((U8*)s)) {
+ sv_setpvn(TARG, "-", 1);
+ sv_catsv(TARG, sv);
+ }
else
sv_setnv(TARG, -SvNV(sv));
SETTARG;
compatibility by calling rand() but allow the user to override it.
See INSTALL for details. --Andy Dougherty 15 July 1998
*/
-#ifndef my_rand
-# define my_rand rand
-#endif
-#ifndef my_srand
-# define my_srand srand
+/* Now it's after 5.005, and Configure supports drand48() and random(),
+ in addition to rand(). So the overrides should not be needed any more.
+ --Jarkko Hietaniemi 27 September 1998
+ */
+
+#ifndef HAS_DRAND48_PROTO
+extern double drand48 _((void));
#endif
PP(pp_rand)
if (value == 0.0)
value = 1.0;
if (!srand_called) {
- (void)my_srand((unsigned)seed());
+ (void)seedDrand01((Rand_seed_t)seed());
srand_called = TRUE;
}
-#if RANDBITS == 31
- value = my_rand() * value / 2147483648.0;
-#else
-#if RANDBITS == 16
- value = my_rand() * value / 65536.0;
-#else
-#if RANDBITS == 15
- value = my_rand() * value / 32768.0;
-#else
- value = my_rand() * value / (double)(((unsigned long)1) << RANDBITS);
-#endif
-#endif
-#endif
+ value *= Drand01();
XPUSHn(value);
RETURN;
}
anum = seed();
else
anum = POPu;
- (void)my_srand((unsigned)anum);
+ (void)seedDrand01((Rand_seed_t)anum);
srand_called = TRUE;
EXTEND(SP, 1);
RETPUSHYES;
* This is really just a quick hack which grabs various garbage
* values. It really should be a real hash algorithm which
* spreads the effect of every input bit onto every output bit,
- * if someone who knows about such tings would bother to write it.
+ * if someone who knows about such things would bother to write it.
* Might be a good idea to add that function to CORE as well.
- * No numbers below come from careful analysis or anyting here,
+ * No numbers below come from careful analysis or anything here,
* except they are primes and SEED_C1 > 1E6 to get a full-width
* value from (tv_sec * SEED_C1 + tv_usec). The multipliers should
* probably be bigger too.
#define SEED_C5 26107
dTHR;
+#ifndef PERL_NO_DEV_RANDOM
+ int fd;
+#endif
U32 u;
#ifdef VMS
# include <starlet.h>
/* when[] = (low 32 bits, high 32 bits) of time since epoch
* in 100-ns units, typically incremented ever 10 ms. */
unsigned int when[2];
+#else
+# ifdef HAS_GETTIMEOFDAY
+ struct timeval when;
+# else
+ Time_t when;
+# endif
+#endif
+
+/* This test is an escape hatch, this symbol isn't set by Configure. */
+#ifndef PERL_NO_DEV_RANDOM
+#ifndef PERL_RANDOM_DEVICE
+ /* /dev/random isn't used by default because reads from it will block
+ * if there isn't enough entropy available. You can compile with
+ * PERL_RANDOM_DEVICE to it if you'd prefer Perl to block until there
+ * is enough real entropy to fill the seed. */
+# define PERL_RANDOM_DEVICE "/dev/urandom"
+#endif
+ fd = PerlLIO_open(PERL_RANDOM_DEVICE, 0);
+ if (fd != -1) {
+ if (PerlLIO_read(fd, &u, sizeof u) != sizeof u)
+ u = 0;
+ PerlLIO_close(fd);
+ if (u)
+ return u;
+ }
+#endif
+
+#ifdef VMS
_ckvmssts(sys$gettim(when));
u = (U32)SEED_C1 * when[0] + (U32)SEED_C2 * when[1];
#else
# ifdef HAS_GETTIMEOFDAY
- struct timeval when;
gettimeofday(&when,(struct timezone *) 0);
u = (U32)SEED_C1 * when.tv_sec + (U32)SEED_C2 * when.tv_usec;
# else
- Time_t when;
(void)time(&when);
u = (U32)SEED_C1 * when;
# endif
PP(pp_ord)
{
djSP; dTARGET;
- I32 value;
+ UV value;
U8 *tmps = (U8*)POPp;
I32 retlen;
if (IN_UTF8 && (*tmps & 0x80))
- value = (I32) utf8_to_uv(tmps, &retlen);
+ value = utf8_to_uv(tmps, &retlen);
else
- value = (I32) (*tmps & 255);
- XPUSHi(value);
+ value = (UV)(*tmps & 255);
+ XPUSHu(value);
RETURN;
}
{
djSP; dTARGET;
char *tmps;
- I32 value = POPi;
+ U32 value = POPu;
(void)SvUPGRADE(TARG,SVt_PV);
SvGROW(TARG, (len * 2) + 1);
d = SvPVX(TARG);
while (len--) {
- if (!(*s & 0x80) && !isALNUM(*s))
+ if (!isALNUM(*s))
*d++ = '\\';
*d++ = *s++;
}
SV **tmparyval = 0;
MAGIC *mg;
- if (SvRMAGICAL(ary) && (mg = mg_find((SV*)ary,'P'))) {
- *MARK-- = mg->mg_obj;
+ if (mg = SvTIED_mg((SV*)ary, 'P')) {
+ *MARK-- = SvTIED_obj((SV*)ary, mg);
PUSHMARK(MARK);
PUTBACK;
ENTER;
register SV *sv = &PL_sv_undef;
MAGIC *mg;
- if (SvRMAGICAL(ary) && (mg = mg_find((SV*)ary,'P'))) {
- *MARK-- = mg->mg_obj;
+ if (mg = SvTIED_mg((SV*)ary, 'P')) {
+ *MARK-- = SvTIED_obj((SV*)ary, mg);
PUSHMARK(MARK);
PUTBACK;
ENTER;
register I32 i = 0;
MAGIC *mg;
- if (SvRMAGICAL(ary) && (mg = mg_find((SV*)ary,'P'))) {
- *MARK-- = mg->mg_obj;
+ if (mg = SvTIED_mg((SV*)ary, 'P')) {
+ *MARK-- = SvTIED_obj((SV*)ary, mg);
PUSHMARK(MARK);
PUTBACK;
ENTER;
while (len-- > 0 && s < strend) {
auint = utf8_to_uv((U8*)s, &along);
s += along;
- culong += auint;
+ if (checksum > 32)
+ cdouble += (double)auint;
+ else
+ culong += auint;
}
}
else {
auint = utf8_to_uv((U8*)s, &along);
s += along;
sv = NEWSV(37, 0);
- sv_setiv(sv, (IV)auint);
+ sv_setuv(sv, (UV)auint);
PUSHs(sv_2mortal(sv));
}
}
char hunk[4];
hunk[3] = '\0';
- len = (*s++ - ' ') & 077;
+ len = uudmap[*s++] & 077;
while (len > 0) {
if (s < strend && ISUUCHAR(*s))
a = uudmap[*s++] & 077;
if (checksum) {
sv = NEWSV(42, 0);
if (strchr("fFdD", datumtype) ||
- (checksum > 32 && strchr("iIlLN", datumtype)) ) {
+ (checksum > 32 && strchr("iIlLNU", datumtype)) ) {
double trouble;
adouble = 1.0;
av_extend(ary,0);
av_clear(ary);
SPAGAIN;
- if (SvRMAGICAL(ary) && (mg = mg_find((SV *) ary, 'P'))) {
+ if (mg = SvTIED_mg((SV*)ary, 'P')) {
PUSHMARK(SP);
- XPUSHs(mg->mg_obj);
+ XPUSHs(SvTIED_obj((SV*)ary, mg));
}
else {
if (!AvREAL(ary)) {
DEBUG_S(PerlIO_printf(PerlIO_stderr(), "0x%lx: pp_lock lock 0x%lx\n",
(unsigned long)thr, (unsigned long)sv);)
MUTEX_UNLOCK(MgMUTEXP(mg));
- SvREFCNT_inc(sv); /* keep alive until magic_mutexfree */
save_destructor(unlock_condpair, sv);
}
#endif /* USE_THREADS */
projects / p5sagit/p5-mst-13.2.git / blobdiff