if (PL_op->op_flags & OPf_REF ||
PL_op->op_private & HINT_STRICT_REFS)
DIE(no_usym, "a symbol");
- if (PL_dowarn)
- warn(warn_uninit);
+ if (ckWARN(WARN_UNINITIALIZED))
+ warner(WARN_UNINITIALIZED, warn_uninit);
RETSETUNDEF;
}
sym = SvPV(sv, PL_na);
if (PL_op->op_flags & OPf_REF ||
PL_op->op_private & HINT_STRICT_REFS)
DIE(no_usym, "a SCALAR");
- if (PL_dowarn)
- warn(warn_uninit);
+ if (ckWARN(WARN_UNINITIALIZED))
+ warner(WARN_UNINITIALIZED, warn_uninit);
RETSETUNDEF;
}
sym = SvPV(sv, PL_na);
SV *ssv = POPs;
STRLEN len;
char *ptr = SvPV(ssv,len);
- if (PL_dowarn && len == 0)
- warn("Explicit blessing to '' (assuming package main)");
+ if (ckWARN(WARN_UNSAFE) && len == 0)
+ warner(WARN_UNSAFE,
+ "Explicit blessing to '' (assuming package main)");
stash = gv_stashpvn(ptr, len, TRUE);
}
EXTEND(SP,1);
}
TARG = sv_newmortal();
- PUSHi(do_trans(sv, PL_op));
+ PUSHi(do_trans(sv));
RETURN;
}
hv_undef((HV*)sv);
break;
case SVt_PVCV:
- if (PL_dowarn && cv_const_sv((CV*)sv))
- warn("Constant subroutine %s undefined",
+ if (ckWARN(WARN_UNSAFE) && cv_const_sv((CV*)sv))
+ warner(WARN_UNSAFE, "Constant subroutine %s undefined",
CvANON((CV*)sv) ? "(anonymous)" : GvENAME(CvGV((CV*)sv)));
/* FALL THROUGH */
case SVt_PVFM:
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
else
curlen = utfcurlen;
}
+ else
+ utfcurlen = 0;
if (pos >= arybase) {
pos -= arybase;
rem -= pos;
}
if (fail < 0) {
- if (PL_dowarn || lvalue || repl)
- warn("substr outside of string");
+ if (ckWARN(WARN_SUBSTR) || lvalue || repl)
+ warner(WARN_SUBSTR, "substr outside of string");
RETPUSHUNDEF;
}
else {
if (!SvGMAGICAL(sv)) {
if (SvROK(sv)) {
SvPV_force(sv,PL_na);
- if (PL_dowarn)
- warn("Attempt to use reference as lvalue in substr");
+ if (ckWARN(WARN_SUBSTR))
+ warner(WARN_SUBSTR,
+ "Attempt to use reference as lvalue in substr");
}
if (SvOK(sv)) /* is it defined ? */
(void)SvPOK_only(sv);
{
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);
- if (!len)
+ s = (U8*)SvPV(sv,len);
+ if (!len) {
+ sv_setpvn(TARG, "", 0);
+ SETs(TARG);
RETURN;
+ }
(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);
- if (!len)
+ s = (U8*)SvPV(sv,len);
+ if (!len) {
+ sv_setpvn(TARG, "", 0);
+ SETs(TARG);
RETURN;
+ }
(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;
SV *val = NEWSV(46, 0);
if (MARK < SP)
sv_setsv(val, *++MARK);
- else if (PL_dowarn)
- warn("Odd number of elements in hash assignment");
+ else if (ckWARN(WARN_UNSAFE))
+ warner(WARN_UNSAFE, "Odd number of elements in hash assignment");
(void)hv_store_ent(hv,key,val,0);
}
SP = ORIGMARK;
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;
/* Explosives and implosives. */
+static const char uuemap[] =
+ "`!\"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_";
+static char uudmap[256]; /* Initialised on first use */
+#if 'I' == 73 && 'J' == 74
+/* On an ASCII/ISO kind of system */
+#define ISUUCHAR(ch) ((ch) >= ' ' && (ch) < 'a')
+#else
+/*
+ Some other sort of character set - use memchr() so we don't match
+ the null byte.
+ */
+#define ISUUCHAR(ch) (memchr(uuemap, (ch), sizeof(uuemap)-1) || (ch) == ' ')
+#endif
+
PP(pp_unpack)
{
djSP;
default:
croak("Invalid type in unpack: '%c'", (int)datumtype);
case ',': /* grandfather in commas but with a warning */
- if (commas++ == 0 && PL_dowarn)
- warn("Invalid type in unpack: '%c'", (int)datumtype);
+ if (commas++ == 0 && ckWARN(WARN_UNSAFE))
+ warner(WARN_UNSAFE, "Invalid type in unpack: '%c'", (int)datumtype);
break;
case '%':
if (len == 1 && pat[-1] != '1')
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);
}
break;
case 'u':
+ /* MKS:
+ * Initialise the decode mapping. By using a table driven
+ * algorithm, the code will be character-set independent
+ * (and just as fast as doing character arithmetic)
+ */
+ if (uudmap['M'] == 0) {
+ int i;
+
+ for (i = 0; i < sizeof(uuemap); i += 1)
+ uudmap[uuemap[i]] = i;
+ /*
+ * Because ' ' and '`' map to the same value,
+ * we need to decode them both the same.
+ */
+ uudmap[' '] = 0;
+ }
+
along = (strend - s) * 3 / 4;
sv = NEWSV(42, along);
if (along)
SvPOK_on(sv);
- while (s < strend && *s > ' ' && *s < 'a') {
+ while (s < strend && *s > ' ' && ISUUCHAR(*s)) {
I32 a, b, c, d;
char hunk[4];
hunk[3] = '\0';
- len = (*s++ - ' ') & 077;
+ len = uudmap[*s++] & 077;
while (len > 0) {
- if (s < strend && *s >= ' ')
- a = (*s++ - ' ') & 077;
- else
- a = 0;
- if (s < strend && *s >= ' ')
- b = (*s++ - ' ') & 077;
- else
- b = 0;
- if (s < strend && *s >= ' ')
- c = (*s++ - ' ') & 077;
- else
- c = 0;
- if (s < strend && *s >= ' ')
- d = (*s++ - ' ') & 077;
+ if (s < strend && ISUUCHAR(*s))
+ a = uudmap[*s++] & 077;
+ else
+ a = 0;
+ if (s < strend && ISUUCHAR(*s))
+ b = uudmap[*s++] & 077;
+ else
+ b = 0;
+ if (s < strend && ISUUCHAR(*s))
+ c = uudmap[*s++] & 077;
+ else
+ c = 0;
+ if (s < strend && ISUUCHAR(*s))
+ d = uudmap[*s++] & 077;
else
d = 0;
hunk[0] = (a << 2) | (b >> 4);
{
char hunk[5];
- *hunk = len + ' ';
+ *hunk = uuemap[len];
sv_catpvn(sv, hunk, 1);
hunk[4] = '\0';
- while (len > 0) {
- hunk[0] = ' ' + (077 & (*s >> 2));
- hunk[1] = ' ' + (077 & (((*s << 4) & 060) | ((s[1] >> 4) & 017)));
- hunk[2] = ' ' + (077 & (((s[1] << 2) & 074) | ((s[2] >> 6) & 03)));
- hunk[3] = ' ' + (077 & (s[2] & 077));
+ while (len > 2) {
+ hunk[0] = uuemap[(077 & (*s >> 2))];
+ hunk[1] = uuemap[(077 & (((*s << 4) & 060) | ((s[1] >> 4) & 017)))];
+ hunk[2] = uuemap[(077 & (((s[1] << 2) & 074) | ((s[2] >> 6) & 03)))];
+ hunk[3] = uuemap[(077 & (s[2] & 077))];
sv_catpvn(sv, hunk, 4);
s += 3;
len -= 3;
}
- for (s = SvPVX(sv); *s; s++) {
- if (*s == ' ')
- *s = '`';
+ if (len > 0) {
+ char r = (len > 1 ? s[1] : '\0');
+ hunk[0] = uuemap[(077 & (*s >> 2))];
+ hunk[1] = uuemap[(077 & (((*s << 4) & 060) | ((r >> 4) & 017)))];
+ hunk[2] = uuemap[(077 & ((r << 2) & 074))];
+ hunk[3] = uuemap[0];
+ sv_catpvn(sv, hunk, 4);
}
sv_catpvn(sv, "\n", 1);
}
default:
croak("Invalid type in pack: '%c'", (int)datumtype);
case ',': /* grandfather in commas but with a warning */
- if (commas++ == 0 && PL_dowarn)
- warn("Invalid type in pack: '%c'", (int)datumtype);
+ if (commas++ == 0 && ckWARN(WARN_UNSAFE))
+ warner(WARN_UNSAFE, "Invalid type in pack: '%c'", (int)datumtype);
break;
case '%':
DIE("%% may only be used in unpack");
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;
* of pack() (and all copies of the result) are
* gone.
*/
- if (PL_dowarn && (SvTEMP(fromstr) || SvPADTMP(fromstr)))
- warn("Attempt to pack pointer to temporary value");
+ if (ckWARN(WARN_UNSAFE) && (SvTEMP(fromstr) || SvPADTMP(fromstr)))
+ warner(WARN_UNSAFE,
+ "Attempt to pack pointer to temporary value");
if (SvPOK(fromstr) || SvNIOK(fromstr))
aptr = SvPV(fromstr,PL_na);
else
croak("panic: unlock_condpair unlocking mutex that we don't own");
MgOWNER(mg) = 0;
COND_SIGNAL(MgOWNERCONDP(mg));
- DEBUG_L(PerlIO_printf(PerlIO_stderr(), "0x%lx: unlock 0x%lx\n",
+ DEBUG_S(PerlIO_printf(PerlIO_stderr(), "0x%lx: unlock 0x%lx\n",
(unsigned long)thr, (unsigned long)svv);)
MUTEX_UNLOCK(MgMUTEXP(mg));
}
while (MgOWNER(mg))
COND_WAIT(MgOWNERCONDP(mg), MgMUTEXP(mg));
MgOWNER(mg) = thr;
- DEBUG_L(PerlIO_printf(PerlIO_stderr(), "0x%lx: pp_lock lock 0x%lx\n",
+ 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 */
projects / p5sagit/p5-mst-13.2.git / blobdiff