/* doop.c
*
- * Copyright (C) 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
- * 2000, 2001, 2002, 2004, 2005, 2006, by Larry Wall and others
+ * Copyright (C) 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000,
+ * 2001, 2002, 2004, 2005, 2006, 2007, 2008, by Larry Wall and others
*
* You may distribute under the terms of either the GNU General Public
* License or the Artistic License, as specified in the README file.
*/
/*
- * "'So that was the job I felt I had to do when I started,' thought Sam."
+ * 'So that was the job I felt I had to do when I started,' thought Sam.
+ *
+ * [p.934 of _The Lord of the Rings_, VI/iii: "Mount Doom"]
*/
/* This file contains some common functions needed to carry out certain
#endif
STATIC I32
-S_do_trans_simple(pTHX_ SV *sv)
+S_do_trans_simple(pTHX_ SV * const sv)
{
- U8 *s;
- U8 *d;
- const U8 *send;
- U8 *dstart;
+ dVAR;
I32 matches = 0;
- const I32 grows = PL_op->op_private & OPpTRANS_GROWS;
STRLEN len;
-
+ U8 *s = (U8*)SvPV(sv,len);
+ U8 * const send = s+len;
const short * const tbl = (short*)cPVOP->op_pv;
+
+ PERL_ARGS_ASSERT_DO_TRANS_SIMPLE;
+
if (!tbl)
Perl_croak(aTHX_ "panic: do_trans_simple line %d",__LINE__);
- s = (U8*)SvPV(sv, len);
- send = s + len;
-
/* First, take care of non-UTF-8 input strings, because they're easy */
if (!SvUTF8(sv)) {
while (s < send) {
s++;
}
SvSETMAGIC(sv);
- return matches;
- }
-
- /* Allow for expansion: $_="a".chr(400); tr/a/\xFE/, FE needs encoding */
- if (grows)
- Newx(d, len*2+1, U8);
- else
- d = s;
- dstart = d;
- while (s < send) {
- STRLEN ulen;
- I32 ch;
-
- /* Need to check this, otherwise 128..255 won't match */
- const UV c = utf8n_to_uvchr(s, send - s, &ulen, 0);
- if (c < 0x100 && (ch = tbl[c]) >= 0) {
- matches++;
- d = uvchr_to_utf8(d, ch);
- s += ulen;
- }
- else { /* No match -> copy */
- Move(s, d, ulen, U8);
- d += ulen;
- s += ulen;
- }
- }
- if (grows) {
- sv_setpvn(sv, (char*)dstart, d - dstart);
- Safefree(dstart);
}
else {
- *d = '\0';
- SvCUR_set(sv, d - dstart);
+ const I32 grows = PL_op->op_private & OPpTRANS_GROWS;
+ U8 *d;
+ U8 *dstart;
+
+ /* Allow for expansion: $_="a".chr(400); tr/a/\xFE/, FE needs encoding */
+ if (grows)
+ Newx(d, len*2+1, U8);
+ else
+ d = s;
+ dstart = d;
+ while (s < send) {
+ STRLEN ulen;
+ I32 ch;
+
+ /* Need to check this, otherwise 128..255 won't match */
+ const UV c = utf8n_to_uvchr(s, send - s, &ulen, UTF8_ALLOW_DEFAULT);
+ if (c < 0x100 && (ch = tbl[c]) >= 0) {
+ matches++;
+ d = uvchr_to_utf8(d, ch);
+ s += ulen;
+ }
+ else { /* No match -> copy */
+ Move(s, d, ulen, U8);
+ d += ulen;
+ s += ulen;
+ }
+ }
+ if (grows) {
+ sv_setpvn(sv, (char*)dstart, d - dstart);
+ Safefree(dstart);
+ }
+ else {
+ *d = '\0';
+ SvCUR_set(sv, d - dstart);
+ }
+ SvUTF8_on(sv);
+ SvSETMAGIC(sv);
}
- SvUTF8_on(sv);
- SvSETMAGIC(sv);
return matches;
}
STATIC I32
-S_do_trans_count(pTHX_ SV *sv)
+S_do_trans_count(pTHX_ SV * const sv)
{
- const U8 *s;
- const U8 *send;
- I32 matches = 0;
+ dVAR;
STRLEN len;
-
+ const U8 *s = (const U8*)SvPV_const(sv, len);
+ const U8 * const send = s + len;
+ I32 matches = 0;
const short * const tbl = (short*)cPVOP->op_pv;
+
+ PERL_ARGS_ASSERT_DO_TRANS_COUNT;
+
if (!tbl)
Perl_croak(aTHX_ "panic: do_trans_count line %d",__LINE__);
- s = (const U8*)SvPV_const(sv, len);
- send = s + len;
-
- if (!SvUTF8(sv))
+ if (!SvUTF8(sv)) {
while (s < send) {
if (tbl[*s++] >= 0)
matches++;
}
+ }
else {
const I32 complement = PL_op->op_private & OPpTRANS_COMPLEMENT;
while (s < send) {
STRLEN ulen;
- const UV c = utf8n_to_uvchr(s, send - s, &ulen, 0);
+ const UV c = utf8n_to_uvchr(s, send - s, &ulen, UTF8_ALLOW_DEFAULT);
if (c < 0x100) {
if (tbl[c] >= 0)
matches++;
}
STATIC I32
-S_do_trans_complex(pTHX_ SV *sv)
+S_do_trans_complex(pTHX_ SV * const sv)
{
- U8 *s;
- U8 *send;
- U8 *d;
- U8 *dstart;
- I32 isutf8;
+ dVAR;
+ STRLEN len;
+ U8 *s = (U8*)SvPV(sv, len);
+ U8 * const send = s+len;
I32 matches = 0;
- STRLEN len, rlen = 0;
-
const short * const tbl = (short*)cPVOP->op_pv;
+
+ PERL_ARGS_ASSERT_DO_TRANS_COMPLEX;
+
if (!tbl)
Perl_croak(aTHX_ "panic: do_trans_complex line %d",__LINE__);
- s = (U8*)SvPV(sv, len);
- isutf8 = SvUTF8(sv);
- send = s + len;
+ if (!SvUTF8(sv)) {
+ U8 *d = s;
+ U8 * const dstart = d;
- if (!isutf8) {
- dstart = d = s;
if (PL_op->op_private & OPpTRANS_SQUASH) {
const U8* p = send;
while (s < send) {
*d = '\0';
SvCUR_set(sv, d - dstart);
}
- else { /* isutf8 */
+ else { /* is utf8 */
const I32 complement = PL_op->op_private & OPpTRANS_COMPLEMENT;
const I32 grows = PL_op->op_private & OPpTRANS_GROWS;
const I32 del = PL_op->op_private & OPpTRANS_DELETE;
+ U8 *d;
+ U8 *dstart;
+ STRLEN rlen = 0;
if (grows)
Newx(d, len*2+1, U8);
UV pch = 0xfeedface;
while (s < send) {
STRLEN len;
- const UV comp = utf8_to_uvchr(s, &len);
+ const UV comp = utf8n_to_uvchr(s, send - s, &len,
+ UTF8_ALLOW_DEFAULT);
I32 ch;
if (comp > 0xff) {
if (!complement) {
- Copy(s, d, len, U8);
+ Move(s, d, len, U8);
d += len;
}
else {
matches++;
if (!del) {
- ch = (rlen == 0) ? comp :
+ ch = (rlen == 0) ? (I32)comp :
(comp - 0x100 < rlen) ?
tbl[comp+1] : tbl[0x100+rlen];
if ((UV)ch != pch) {
continue;
}
else if (ch == -1) { /* -1 is unmapped character */
- Copy(s, d, len, U8);
+ Move(s, d, len, U8);
d += len;
}
else if (ch == -2) /* -2 is delete character */
else {
while (s < send) {
STRLEN len;
- const UV comp = utf8_to_uvchr(s, &len);
+ const UV comp = utf8n_to_uvchr(s, send - s, &len,
+ UTF8_ALLOW_DEFAULT);
I32 ch;
if (comp > 0xff) {
if (!complement) {
matches++;
}
else if (ch == -1) { /* -1 is unmapped character */
- Copy(s, d, len, U8);
+ Move(s, d, len, U8);
d += len;
}
else if (ch == -2) /* -2 is delete character */
}
STATIC I32
-S_do_trans_simple_utf8(pTHX_ SV *sv)
+S_do_trans_simple_utf8(pTHX_ SV * const sv)
{
+ dVAR;
U8 *s;
U8 *send;
U8 *d;
I32 matches = 0;
const I32 grows = PL_op->op_private & OPpTRANS_GROWS;
STRLEN len;
-
- SV* const rv = (SV*)cSVOP->op_sv;
- HV* const hv = (HV*)SvRV(rv);
- SV* const * svp = hv_fetch(hv, "NONE", 4, FALSE);
+ SV* const rv =
+#ifdef USE_ITHREADS
+ PAD_SVl(cPADOP->op_padix);
+#else
+ MUTABLE_SV(cSVOP->op_sv);
+#endif
+ HV* const hv = MUTABLE_HV(SvRV(rv));
+ SV* const * svp = hv_fetchs(hv, "NONE", FALSE);
const UV none = svp ? SvUV(*svp) : 0x7fffffff;
const UV extra = none + 1;
UV final = 0;
- I32 isutf8;
U8 hibit = 0;
+ PERL_ARGS_ASSERT_DO_TRANS_SIMPLE_UTF8;
+
s = (U8*)SvPV(sv, len);
- isutf8 = SvUTF8(sv);
- if (!isutf8) {
+ if (!SvUTF8(sv)) {
const U8 *t = s;
const U8 * const e = s + len;
while (t < e) {
send = s + len;
start = s;
- svp = hv_fetch(hv, "FINAL", 5, FALSE);
+ svp = hv_fetchs(hv, "FINAL", FALSE);
if (svp)
final = SvUV(*svp);
}
STATIC I32
-S_do_trans_count_utf8(pTHX_ SV *sv)
+S_do_trans_count_utf8(pTHX_ SV * const sv)
{
+ dVAR;
const U8 *s;
const U8 *start = NULL;
const U8 *send;
I32 matches = 0;
STRLEN len;
-
- SV* const rv = (SV*)cSVOP->op_sv;
- HV* const hv = (HV*)SvRV(rv);
- SV* const * const svp = hv_fetch(hv, "NONE", 4, FALSE);
+ SV* const rv =
+#ifdef USE_ITHREADS
+ PAD_SVl(cPADOP->op_padix);
+#else
+ MUTABLE_SV(cSVOP->op_sv);
+#endif
+ HV* const hv = MUTABLE_HV(SvRV(rv));
+ SV* const * const svp = hv_fetchs(hv, "NONE", FALSE);
const UV none = svp ? SvUV(*svp) : 0x7fffffff;
const UV extra = none + 1;
U8 hibit = 0;
+ PERL_ARGS_ASSERT_DO_TRANS_COUNT_UTF8;
+
s = (const U8*)SvPV_const(sv, len);
if (!SvUTF8(sv)) {
const U8 *t = s;
}
STATIC I32
-S_do_trans_complex_utf8(pTHX_ SV *sv)
+S_do_trans_complex_utf8(pTHX_ SV * const sv)
{
+ dVAR;
U8 *start, *send;
U8 *d;
I32 matches = 0;
const I32 squash = PL_op->op_private & OPpTRANS_SQUASH;
const I32 del = PL_op->op_private & OPpTRANS_DELETE;
const I32 grows = PL_op->op_private & OPpTRANS_GROWS;
- SV * const rv = (SV*)cSVOP->op_sv;
- HV * const hv = (HV*)SvRV(rv);
- SV * const *svp = hv_fetch(hv, "NONE", 4, FALSE);
+ SV* const rv =
+#ifdef USE_ITHREADS
+ PAD_SVl(cPADOP->op_padix);
+#else
+ MUTABLE_SV(cSVOP->op_sv);
+#endif
+ HV * const hv = MUTABLE_HV(SvRV(rv));
+ SV * const *svp = hv_fetchs(hv, "NONE", FALSE);
const UV none = svp ? SvUV(*svp) : 0x7fffffff;
const UV extra = none + 1;
UV final = 0;
STRLEN len;
U8 *dstart, *dend;
U8 hibit = 0;
-
U8 *s = (U8*)SvPV(sv, len);
- const I32 isutf8 = SvUTF8(sv);
- if (!isutf8) {
+
+ PERL_ARGS_ASSERT_DO_TRANS_COMPLEX_UTF8;
+
+ if (!SvUTF8(sv)) {
const U8 *t = s;
const U8 * const e = s + len;
while (t < e) {
send = s + len;
start = s;
- svp = hv_fetch(hv, "FINAL", 5, FALSE);
+ svp = hv_fetchs(hv, "FINAL", FALSE);
if (svp) {
final = SvUV(*svp);
havefinal = TRUE;
}
else {
STRLEN len;
- uv = utf8_to_uvuni(s, &len);
+ uv = utf8n_to_uvuni(s, send - s, &len, UTF8_ALLOW_DEFAULT);
if (uv != puv) {
Move(s, d, len, U8);
d += len;
I32
Perl_do_trans(pTHX_ SV *sv)
{
+ dVAR;
STRLEN len;
const I32 hasutf = (PL_op->op_private &
(OPpTRANS_FROM_UTF|OPpTRANS_TO_UTF));
- if (SvREADONLY(sv)) {
+ PERL_ARGS_ASSERT_DO_TRANS;
+
+ if (SvREADONLY(sv) && !(PL_op->op_private & OPpTRANS_IDENTICAL)) {
if (SvIsCOW(sv))
sv_force_normal_flags(sv, 0);
- if (SvREADONLY(sv) && !(PL_op->op_private & OPpTRANS_IDENTICAL))
- Perl_croak(aTHX_ PL_no_modify);
+ if (SvREADONLY(sv))
+ Perl_croak(aTHX_ "%s", PL_no_modify);
}
(void)SvPV_const(sv, len);
if (!len)
}
void
-Perl_do_join(pTHX_ register SV *sv, SV *del, register SV **mark, register SV **sp)
+Perl_do_join(pTHX_ register SV *sv, SV *delim, register SV **mark, register SV **sp)
{
+ dVAR;
SV ** const oldmark = mark;
register I32 items = sp - mark;
register STRLEN len;
STRLEN delimlen;
- (void) SvPV_const(del, delimlen); /* stringify and get the delimlen */
+ PERL_ARGS_ASSERT_DO_JOIN;
+
+ (void) SvPV_const(delim, delimlen); /* stringify and get the delimlen */
/* SvCUR assumes it's SvPOK() and woe betide you if it's not. */
mark++;
++mark;
}
- sv_setpvn(sv, "", 0);
+ sv_setpvs(sv, "");
/* sv_setpv retains old UTF8ness [perl #24846] */
SvUTF8_off(sv);
if (delimlen) {
for (; items > 0; items--,mark++) {
- sv_catsv(sv,del);
+ sv_catsv(sv,delim);
sv_catsv(sv,*mark);
}
}
void
Perl_do_sprintf(pTHX_ SV *sv, I32 len, SV **sarg)
{
+ dVAR;
STRLEN patlen;
const char * const pat = SvPV_const(*sarg, patlen);
bool do_taint = FALSE;
+ PERL_ARGS_ASSERT_DO_SPRINTF;
+
SvUTF8_off(sv);
if (DO_UTF8(*sarg))
SvUTF8_on(sv);
- sv_vsetpvfn(sv, pat, patlen, Null(va_list*), sarg + 1, len - 1, &do_taint);
+ sv_vsetpvfn(sv, pat, patlen, NULL, sarg + 1, len - 1, &do_taint);
SvSETMAGIC(sv);
if (do_taint)
SvTAINTED_on(sv);
UV
Perl_do_vecget(pTHX_ SV *sv, I32 offset, I32 size)
{
- STRLEN srclen, len;
+ dVAR;
+ STRLEN srclen, len, uoffset, bitoffs = 0;
const unsigned char *s = (const unsigned char *) SvPV_const(sv, srclen);
UV retnum = 0;
+ PERL_ARGS_ASSERT_DO_VECGET;
+
if (offset < 0)
- return retnum;
+ return 0;
if (size < 1 || (size & (size-1))) /* size < 1 or not a power of two */
Perl_croak(aTHX_ "Illegal number of bits in vec");
if (SvUTF8(sv))
(void) Perl_sv_utf8_downgrade(aTHX_ sv, TRUE);
- offset *= size; /* turn into bit offset */
- len = (offset + size + 7) / 8; /* required number of bytes */
+ if (size < 8) {
+ bitoffs = ((offset%8)*size)%8;
+ uoffset = offset/(8/size);
+ }
+ else if (size > 8)
+ uoffset = offset*(size/8);
+ else
+ uoffset = offset;
+
+ len = uoffset + (bitoffs + size + 7)/8; /* required number of bytes */
if (len > srclen) {
if (size <= 8)
retnum = 0;
else {
- offset >>= 3; /* turn into byte offset */
if (size == 16) {
- if ((STRLEN)offset >= srclen)
+ if (uoffset >= srclen)
retnum = 0;
else
- retnum = (UV) s[offset] << 8;
+ retnum = (UV) s[uoffset] << 8;
}
else if (size == 32) {
- if ((STRLEN)offset >= srclen)
+ if (uoffset >= srclen)
retnum = 0;
- else if ((STRLEN)(offset + 1) >= srclen)
+ else if (uoffset + 1 >= srclen)
retnum =
- ((UV) s[offset ] << 24);
- else if ((STRLEN)(offset + 2) >= srclen)
+ ((UV) s[uoffset ] << 24);
+ else if (uoffset + 2 >= srclen)
retnum =
- ((UV) s[offset ] << 24) +
- ((UV) s[offset + 1] << 16);
+ ((UV) s[uoffset ] << 24) +
+ ((UV) s[uoffset + 1] << 16);
else
retnum =
- ((UV) s[offset ] << 24) +
- ((UV) s[offset + 1] << 16) +
- ( s[offset + 2] << 8);
+ ((UV) s[uoffset ] << 24) +
+ ((UV) s[uoffset + 1] << 16) +
+ ( s[uoffset + 2] << 8);
}
#ifdef UV_IS_QUAD
else if (size == 64) {
if (ckWARN(WARN_PORTABLE))
Perl_warner(aTHX_ packWARN(WARN_PORTABLE),
"Bit vector size > 32 non-portable");
- if (offset >= srclen)
+ if (uoffset >= srclen)
retnum = 0;
- else if (offset + 1 >= srclen)
+ else if (uoffset + 1 >= srclen)
retnum =
- (UV) s[offset ] << 56;
- else if (offset + 2 >= srclen)
+ (UV) s[uoffset ] << 56;
+ else if (uoffset + 2 >= srclen)
retnum =
- ((UV) s[offset ] << 56) +
- ((UV) s[offset + 1] << 48);
- else if (offset + 3 >= srclen)
+ ((UV) s[uoffset ] << 56) +
+ ((UV) s[uoffset + 1] << 48);
+ else if (uoffset + 3 >= srclen)
retnum =
- ((UV) s[offset ] << 56) +
- ((UV) s[offset + 1] << 48) +
- ((UV) s[offset + 2] << 40);
- else if (offset + 4 >= srclen)
+ ((UV) s[uoffset ] << 56) +
+ ((UV) s[uoffset + 1] << 48) +
+ ((UV) s[uoffset + 2] << 40);
+ else if (uoffset + 4 >= srclen)
retnum =
- ((UV) s[offset ] << 56) +
- ((UV) s[offset + 1] << 48) +
- ((UV) s[offset + 2] << 40) +
- ((UV) s[offset + 3] << 32);
- else if (offset + 5 >= srclen)
+ ((UV) s[uoffset ] << 56) +
+ ((UV) s[uoffset + 1] << 48) +
+ ((UV) s[uoffset + 2] << 40) +
+ ((UV) s[uoffset + 3] << 32);
+ else if (uoffset + 5 >= srclen)
retnum =
- ((UV) s[offset ] << 56) +
- ((UV) s[offset + 1] << 48) +
- ((UV) s[offset + 2] << 40) +
- ((UV) s[offset + 3] << 32) +
- ( s[offset + 4] << 24);
- else if (offset + 6 >= srclen)
+ ((UV) s[uoffset ] << 56) +
+ ((UV) s[uoffset + 1] << 48) +
+ ((UV) s[uoffset + 2] << 40) +
+ ((UV) s[uoffset + 3] << 32) +
+ ( s[uoffset + 4] << 24);
+ else if (uoffset + 6 >= srclen)
retnum =
- ((UV) s[offset ] << 56) +
- ((UV) s[offset + 1] << 48) +
- ((UV) s[offset + 2] << 40) +
- ((UV) s[offset + 3] << 32) +
- ((UV) s[offset + 4] << 24) +
- ((UV) s[offset + 5] << 16);
+ ((UV) s[uoffset ] << 56) +
+ ((UV) s[uoffset + 1] << 48) +
+ ((UV) s[uoffset + 2] << 40) +
+ ((UV) s[uoffset + 3] << 32) +
+ ((UV) s[uoffset + 4] << 24) +
+ ((UV) s[uoffset + 5] << 16);
else
retnum =
- ((UV) s[offset ] << 56) +
- ((UV) s[offset + 1] << 48) +
- ((UV) s[offset + 2] << 40) +
- ((UV) s[offset + 3] << 32) +
- ((UV) s[offset + 4] << 24) +
- ((UV) s[offset + 5] << 16) +
- ( s[offset + 6] << 8);
+ ((UV) s[uoffset ] << 56) +
+ ((UV) s[uoffset + 1] << 48) +
+ ((UV) s[uoffset + 2] << 40) +
+ ((UV) s[uoffset + 3] << 32) +
+ ((UV) s[uoffset + 4] << 24) +
+ ((UV) s[uoffset + 5] << 16) +
+ ( s[uoffset + 6] << 8);
}
#endif
}
}
else if (size < 8)
- retnum = (s[offset >> 3] >> (offset & 7)) & ((1 << size) - 1);
+ retnum = (s[uoffset] >> bitoffs) & ((1 << size) - 1);
else {
- offset >>= 3; /* turn into byte offset */
if (size == 8)
- retnum = s[offset];
+ retnum = s[uoffset];
else if (size == 16)
retnum =
- ((UV) s[offset] << 8) +
- s[offset + 1];
+ ((UV) s[uoffset] << 8) +
+ s[uoffset + 1];
else if (size == 32)
retnum =
- ((UV) s[offset ] << 24) +
- ((UV) s[offset + 1] << 16) +
- ( s[offset + 2] << 8) +
- s[offset + 3];
+ ((UV) s[uoffset ] << 24) +
+ ((UV) s[uoffset + 1] << 16) +
+ ( s[uoffset + 2] << 8) +
+ s[uoffset + 3];
#ifdef UV_IS_QUAD
else if (size == 64) {
if (ckWARN(WARN_PORTABLE))
Perl_warner(aTHX_ packWARN(WARN_PORTABLE),
"Bit vector size > 32 non-portable");
retnum =
- ((UV) s[offset ] << 56) +
- ((UV) s[offset + 1] << 48) +
- ((UV) s[offset + 2] << 40) +
- ((UV) s[offset + 3] << 32) +
- ((UV) s[offset + 4] << 24) +
- ((UV) s[offset + 5] << 16) +
- ( s[offset + 6] << 8) +
- s[offset + 7];
+ ((UV) s[uoffset ] << 56) +
+ ((UV) s[uoffset + 1] << 48) +
+ ((UV) s[uoffset + 2] << 40) +
+ ((UV) s[uoffset + 3] << 32) +
+ ((UV) s[uoffset + 4] << 24) +
+ ((UV) s[uoffset + 5] << 16) +
+ ( s[uoffset + 6] << 8) +
+ s[uoffset + 7];
}
#endif
}
void
Perl_do_vecset(pTHX_ SV *sv)
{
- register I32 offset;
+ dVAR;
+ register I32 offset, bitoffs = 0;
register I32 size;
register unsigned char *s;
register UV lval;
STRLEN len;
SV * const targ = LvTARG(sv);
+ PERL_ARGS_ASSERT_DO_VECSET;
+
if (!targ)
return;
s = (unsigned char*)SvPV_force(targ, targlen);
if (size < 1 || (size & (size-1))) /* size < 1 or not a power of two */
Perl_croak(aTHX_ "Illegal number of bits in vec");
- offset *= size; /* turn into bit offset */
- len = (offset + size + 7) / 8; /* required number of bytes */
+ if (size < 8) {
+ bitoffs = ((offset%8)*size)%8;
+ offset /= 8/size;
+ }
+ else if (size > 8)
+ offset *= size/8;
+
+ len = offset + (bitoffs + size + 7)/8; /* required number of bytes */
if (len > targlen) {
s = (unsigned char*)SvGROW(targ, len + 1);
(void)memzero((char *)(s + targlen), len - targlen + 1);
if (size < 8) {
mask = (1 << size) - 1;
- size = offset & 7;
lval &= mask;
- offset >>= 3; /* turn into byte offset */
- s[offset] &= ~(mask << size);
- s[offset] |= lval << size;
+ s[offset] &= ~(mask << bitoffs);
+ s[offset] |= lval << bitoffs;
}
else {
- offset >>= 3; /* turn into byte offset */
if (size == 8)
s[offset ] = (U8)( lval & 0xff);
else if (size == 16) {
void
Perl_do_chop(pTHX_ register SV *astr, register SV *sv)
{
+ dVAR;
STRLEN len;
char *s;
+ PERL_ARGS_ASSERT_DO_CHOP;
+
if (SvTYPE(sv) == SVt_PVAV) {
register I32 i;
- AV* const av = (AV*)sv;
+ AV *const av = MUTABLE_AV(sv);
const I32 max = AvFILL(av);
for (i = 0; i <= max; i++) {
- sv = (SV*)av_fetch(av, i, FALSE);
+ sv = MUTABLE_SV(av_fetch(av, i, FALSE));
if (sv && ((sv = *(SV**)sv), sv != &PL_sv_undef))
do_chop(astr, sv);
}
return;
}
else if (SvTYPE(sv) == SVt_PVHV) {
- HV* const hv = (HV*)sv;
+ HV* const hv = MUTABLE_HV(sv);
HE* entry;
(void)hv_iterinit(hv);
while ((entry = hv_iternext(hv)))
sv_force_normal_flags(sv, 0);
}
if (SvREADONLY(sv))
- Perl_croak(aTHX_ PL_no_modify);
+ Perl_croak(aTHX_ "%s", PL_no_modify);
}
if (PL_encoding && !SvUTF8(sv)) {
s = SvPV(sv, len);
if (len && !SvPOK(sv))
- s = SvPV_force(sv, len);
+ s = SvPV_force_nomg(sv, len);
if (DO_UTF8(sv)) {
if (s && len) {
char * const send = s + len;
}
}
else
- sv_setpvn(astr, "", 0);
+ sv_setpvs(astr, "");
}
else if (s && len) {
s += --len;
SvNIOK_off(sv);
}
else
- sv_setpvn(astr, "", 0);
+ sv_setpvs(astr, "");
SvSETMAGIC(sv);
}
I32
Perl_do_chomp(pTHX_ register SV *sv)
{
+ dVAR;
register I32 count;
STRLEN len;
char *s;
char *temp_buffer = NULL;
- SV* svrecode = Nullsv;
+ SV* svrecode = NULL;
+
+ PERL_ARGS_ASSERT_DO_CHOMP;
if (RsSNARF(PL_rs))
return 0;
count = 0;
if (SvTYPE(sv) == SVt_PVAV) {
register I32 i;
- AV* const av = (AV*)sv;
+ AV *const av = MUTABLE_AV(sv);
const I32 max = AvFILL(av);
for (i = 0; i <= max; i++) {
- sv = (SV*)av_fetch(av, i, FALSE);
+ sv = MUTABLE_SV(av_fetch(av, i, FALSE));
if (sv && ((sv = *(SV**)sv), sv != &PL_sv_undef))
count += do_chomp(sv);
}
return count;
}
else if (SvTYPE(sv) == SVt_PVHV) {
- HV* const hv = (HV*)sv;
+ HV* const hv = MUTABLE_HV(sv);
HE* entry;
(void)hv_iterinit(hv);
while ((entry = hv_iternext(hv)))
sv_force_normal_flags(sv, 0);
}
if (SvREADONLY(sv))
- Perl_croak(aTHX_ PL_no_modify);
+ Perl_croak(aTHX_ "%s", PL_no_modify);
}
if (PL_encoding) {
void
Perl_do_vop(pTHX_ I32 optype, SV *sv, SV *left, SV *right)
{
+ dVAR;
#ifdef LIBERAL
register long *dl;
register long *ll;
STRLEN rightlen;
register const char *lc;
register const char *rc;
- register I32 len;
- I32 lensave;
+ register STRLEN len;
+ STRLEN lensave;
const char *lsave;
const char *rsave;
- const bool left_utf = DO_UTF8(left);
- const bool right_utf = DO_UTF8(right);
- I32 needlen = 0;
+ bool left_utf;
+ bool right_utf;
+ STRLEN needlen = 0;
- if (left_utf && !right_utf)
- sv_utf8_upgrade(right);
- else if (!left_utf && right_utf)
- sv_utf8_upgrade(left);
+ PERL_ARGS_ASSERT_DO_VOP;
if (sv != left || (optype != OP_BIT_AND && !SvOK(sv) && !SvGMAGICAL(sv)))
- sv_setpvn(sv, "", 0); /* avoid undef warning on |= and ^= */
- lsave = lc = SvPV_nomg_const(left, leftlen);
+ sv_setpvs(sv, ""); /* avoid undef warning on |= and ^= */
+ if (sv == left) {
+ lsave = lc = SvPV_force_nomg(left, leftlen);
+ }
+ else {
+ lsave = lc = SvPV_nomg_const(left, leftlen);
+ SvPV_force_nomg_nolen(sv);
+ }
rsave = rc = SvPV_nomg_const(right, rightlen);
+
+ /* This need to come after SvPV to ensure that string overloading has
+ fired off. */
+
+ left_utf = DO_UTF8(left);
+ right_utf = DO_UTF8(right);
+
+ if (left_utf && !right_utf) {
+ /* Avoid triggering overloading again by using temporaries.
+ Maybe there should be a variant of sv_utf8_upgrade that takes pvn
+ */
+ right = newSVpvn_flags(rsave, rightlen, SVs_TEMP);
+ sv_utf8_upgrade(right);
+ rsave = rc = SvPV_nomg_const(right, rightlen);
+ right_utf = TRUE;
+ }
+ else if (!left_utf && right_utf) {
+ left = newSVpvn_flags(lsave, leftlen, SVs_TEMP);
+ sv_utf8_upgrade(left);
+ lsave = lc = SvPV_nomg_const(left, leftlen);
+ left_utf = TRUE;
+ }
+
len = leftlen < rightlen ? leftlen : rightlen;
lensave = len;
+ SvCUR_set(sv, len);
+ (void)SvPOK_only(sv);
if ((left_utf || right_utf) && (sv == left || sv == right)) {
needlen = optype == OP_BIT_AND ? len : leftlen + rightlen;
Newxz(dc, needlen + 1, char);
}
else if (SvOK(sv) || SvTYPE(sv) > SVt_PVMG) {
dc = SvPV_force_nomg_nolen(sv);
- if (SvLEN(sv) < (STRLEN)(len + 1)) {
- dc = SvGROW(sv, (STRLEN)(len + 1));
+ if (SvLEN(sv) < len + 1) {
+ dc = SvGROW(sv, len + 1);
(void)memzero(dc + SvCUR(sv), len - SvCUR(sv) + 1);
}
if (optype != OP_BIT_AND && (left_utf || right_utf))
dc = SvGROW(sv, leftlen + rightlen + 1);
}
else {
- needlen = ((optype == OP_BIT_AND)
- ? len : (leftlen > rightlen ? leftlen : rightlen));
+ needlen = optype == OP_BIT_AND
+ ? len : (leftlen > rightlen ? leftlen : rightlen);
Newxz(dc, needlen + 1, char);
- (void)sv_usepvn(sv, dc, needlen);
+ sv_usepvn_flags(sv, dc, needlen, SV_HAS_TRAILING_NUL);
dc = SvPVX(sv); /* sv_usepvn() calls Renew() */
}
- SvCUR_set(sv, len);
- (void)SvPOK_only(sv);
if (left_utf || right_utf) {
UV duc, luc, ruc;
- char * const dcsave = dc;
+ char *dcorig = dc;
+ char *dcsave = NULL;
STRLEN lulen = leftlen;
STRLEN rulen = rightlen;
STRLEN ulen;
dc = (char*)uvchr_to_utf8((U8*)dc, duc);
}
if (sv == left || sv == right)
- (void)sv_usepvn(sv, dcsave, needlen);
- SvCUR_set(sv, dc - dcsave);
+ (void)sv_usepvn(sv, dcorig, needlen);
+ SvCUR_set(sv, dc - dcorig);
break;
case OP_BIT_XOR:
while (lulen && rulen) {
dc = (char*)uvchr_to_utf8((U8*)dc, duc);
}
mop_up_utf:
+ if (rulen)
+ dcsave = savepvn(rc, rulen);
+ else if (lulen)
+ dcsave = savepvn(lc, lulen);
if (sv == left || sv == right)
- (void)sv_usepvn(sv, dcsave, needlen);
- SvCUR_set(sv, dc - dcsave);
+ (void)sv_usepvn(sv, dcorig, needlen); /* Uses Renew(). */
+ SvCUR_set(sv, dc - dcorig);
if (rulen)
- sv_catpvn(sv, rc, rulen);
+ sv_catpvn(sv, dcsave, rulen);
else if (lulen)
- sv_catpvn(sv, lc, lulen);
+ sv_catpvn(sv, dcsave, lulen);
else
*SvEND(sv) = '\0';
+ Safefree(dcsave);
break;
+ default:
+ if (sv == left || sv == right)
+ Safefree(dcorig);
+ Perl_croak(aTHX_ "panic: do_vop called for op %u (%s)",
+ (unsigned)optype, PL_op_name[optype]);
}
SvUTF8_on(sv);
goto finish;
else
#ifdef LIBERAL
if (len >= sizeof(long)*4 &&
- !((long)dc % sizeof(long)) &&
- !((long)lc % sizeof(long)) &&
- !((long)rc % sizeof(long))) /* It's almost always aligned... */
+ !((unsigned long)dc % sizeof(long)) &&
+ !((unsigned long)lc % sizeof(long)) &&
+ !((unsigned long)rc % sizeof(long))) /* It's almost always aligned... */
{
- const I32 remainder = len % (sizeof(long)*4);
+ const STRLEN remainder = len % (sizeof(long)*4);
len /= (sizeof(long)*4);
dl = (long*)dc;
*dc++ = *lc++ | *rc++;
mop_up:
len = lensave;
- if (rightlen > (STRLEN)len)
+ if (rightlen > len)
sv_catpvn(sv, rsave + len, rightlen - len);
else if (leftlen > (STRLEN)len)
sv_catpvn(sv, lsave + len, leftlen - len);
OP *
Perl_do_kv(pTHX)
{
+ dVAR;
dSP;
- HV * const hv = (HV*)POPs;
+ HV * const hv = MUTABLE_HV(POPs);
HV *keys;
register HE *entry;
const I32 gimme = GIMME_V;
if (PL_op->op_flags & OPf_MOD || LVRET) { /* lvalue */
dTARGET; /* make sure to clear its target here */
if (SvTYPE(TARG) == SVt_PVLV)
- LvTARG(TARG) = Nullsv;
+ LvTARG(TARG) = NULL;
PUSHs(TARG);
}
RETURN;
if (PL_op->op_flags & OPf_MOD || LVRET) { /* lvalue */
if (SvTYPE(TARG) < SVt_PVLV) {
sv_upgrade(TARG, SVt_PVLV);
- sv_magic(TARG, Nullsv, PERL_MAGIC_nkeys, Nullch, 0);
+ sv_magic(TARG, NULL, PERL_MAGIC_nkeys, NULL, 0);
}
LvTYPE(TARG) = 'k';
- if (LvTARG(TARG) != (SV*)keys) {
+ if (LvTARG(TARG) != (const SV *)keys) {
if (LvTARG(TARG))
SvREFCNT_dec(LvTARG(TARG));
- LvTARG(TARG) = SvREFCNT_inc(keys);
+ LvTARG(TARG) = SvREFCNT_inc_simple(keys);
}
PUSHs(TARG);
RETURN;
}
- if (! SvTIED_mg((SV*)keys, PERL_MAGIC_tied))
+ if (! SvTIED_mg((const SV *)keys, PERL_MAGIC_tied) )
+ {
i = HvKEYS(keys);
+ }
else {
i = 0;
while (hv_iternext(keys)) i++;
https://perl5.git.perl.org / perl5.git / blobdiff