EXTEND(SP,1);
}
TARG = sv_newmortal();
- PUSHi(do_trans(sv, PL_op));
+ PUSHi(do_trans(sv));
RETURN;
}
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
{
djSP; dTARGET;
I32 value;
- char *tmps = POPp;
+ U8 *tmps = (U8*)POPp;
I32 retlen;
if (IN_UTF8 && (*tmps & 0x80))
if (IN_UTF8 && value >= 128) {
SvGROW(TARG,8);
tmps = SvPVX(TARG);
- tmps = uv_to_utf8(tmps, (UV)value);
+ tmps = (char*)uv_to_utf8((U8*)tmps, (UV)value);
SvCUR_set(TARG, tmps - SvPVX(TARG));
*tmps = '\0';
(void)SvPOK_only(TARG);
register U8 *s;
STRLEN slen;
- if (IN_UTF8 && (s = SvPV(sv, slen)) && slen && (*s & 0xc0) == 0xc0) {
+ if (IN_UTF8 && (s = (U8*)SvPV(sv, slen)) && slen && (*s & 0xc0) == 0xc0) {
I32 ulen;
U8 tmpbuf[10];
U8 *tend;
if (!SvPADTMP(sv) || tend - tmpbuf != ulen) {
dTARGET;
- sv_setpvn(TARG, tmpbuf, tend - tmpbuf);
- sv_catpvn(TARG, s + ulen, slen - ulen);
+ sv_setpvn(TARG, (char*)tmpbuf, tend - tmpbuf);
+ sv_catpvn(TARG, (char*)(s + ulen), slen - ulen);
SETs(TARG);
}
else {
- s = SvPV_force(sv, slen);
+ s = (U8*)SvPV_force(sv, slen);
Copy(tmpbuf, s, ulen, U8);
}
RETURN;
sv = TARG;
SETs(sv);
}
- s = SvPV_force(sv, PL_na);
+ s = (U8*)SvPV_force(sv, PL_na);
if (*s) {
if (PL_op->op_private & OPpLOCALE) {
TAINT;
register U8 *s;
STRLEN slen;
- if (IN_UTF8 && (s = SvPV(sv, slen)) && slen && (*s & 0xc0) == 0xc0) {
+ if (IN_UTF8 && (s = (U8*)SvPV(sv, slen)) && slen && (*s & 0xc0) == 0xc0) {
I32 ulen;
U8 tmpbuf[10];
U8 *tend;
if (!SvPADTMP(sv) || tend - tmpbuf != ulen) {
dTARGET;
- sv_setpvn(TARG, tmpbuf, tend - tmpbuf);
- sv_catpvn(TARG, s + ulen, slen - ulen);
+ sv_setpvn(TARG, (char*)tmpbuf, tend - tmpbuf);
+ sv_catpvn(TARG, (char*)(s + ulen), slen - ulen);
SETs(TARG);
}
else {
- s = SvPV_force(sv, slen);
+ s = (U8*)SvPV_force(sv, slen);
Copy(tmpbuf, s, ulen, U8);
}
RETURN;
sv = TARG;
SETs(sv);
}
- s = SvPV_force(sv, PL_na);
+ s = (U8*)SvPV_force(sv, PL_na);
if (*s) {
if (PL_op->op_private & OPpLOCALE) {
TAINT;
register U8 *d;
U8 *send;
- s = SvPV(sv,len);
+ s = (U8*)SvPV(sv,len);
if (!len) {
sv_setpvn(TARG, "", 0);
SETs(TARG);
(void)SvUPGRADE(TARG, SVt_PV);
SvGROW(TARG, (len * 2) + 1);
(void)SvPOK_only(TARG);
- d = SvPVX(TARG);
+ d = (U8*)SvPVX(TARG);
send = s + len;
if (PL_op->op_private & OPpLOCALE) {
TAINT;
SETs(sv);
}
- s = SvPV_force(sv, len);
+ s = (U8*)SvPV_force(sv, len);
if (len) {
register U8 *send = s + len;
register U8 *d;
U8 *send;
- s = SvPV(sv,len);
+ s = (U8*)SvPV(sv,len);
if (!len) {
sv_setpvn(TARG, "", 0);
SETs(TARG);
(void)SvUPGRADE(TARG, SVt_PV);
SvGROW(TARG, (len * 2) + 1);
(void)SvPOK_only(TARG);
- d = SvPVX(TARG);
+ d = (U8*)SvPVX(TARG);
send = s + len;
if (PL_op->op_private & OPpLOCALE) {
TAINT;
SETs(sv);
}
- s = SvPV_force(sv, len);
+ s = (U8*)SvPV_force(sv, len);
if (len) {
register U8 *send = s + len;
up = SvPV_force(TARG, len);
if (len > 1) {
if (IN_UTF8) { /* first reverse each character */
- unsigned char* s = SvPVX(TARG);
- unsigned char* send = s + len;
+ U8* s = (U8*)SvPVX(TARG);
+ U8* send = (U8*)(s + len);
while (s < send) {
if (*s < 0x80) {
s++;
continue;
}
else {
- up = s;
+ up = (char*)s;
s += UTF8SKIP(s);
- down = s - 1;
+ down = (char*)(s - 1);
if (s > send || !((*down & 0xc0) == 0x80)) {
warn("Malformed UTF-8 character");
break;
len = strend - s;
if (checksum) {
while (len-- > 0 && s < strend) {
- auint = utf8_to_uv(s, &along);
+ auint = utf8_to_uv((U8*)s, &along);
s += along;
culong += auint;
}
EXTEND(SP, len);
EXTEND_MORTAL(len);
while (len-- > 0 && s < strend) {
- auint = utf8_to_uv(s, &along);
+ auint = utf8_to_uv((U8*)s, &along);
s += along;
sv = NEWSV(37, 0);
sv_setiv(sv, (IV)auint);
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;
fromstr = NEXTFROM;
auint = SvUV(fromstr);
SvGROW(cat, SvCUR(cat) + 10);
- SvCUR_set(cat, uv_to_utf8(SvEND(cat), auint) - SvPVX(cat));
+ SvCUR_set(cat, (char*)uv_to_utf8((U8*)SvEND(cat),auint)
+ - SvPVX(cat));
}
*SvEND(cat) = '\0';
break;