/* doop.c
*
* Copyright (C) 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
- * 2000, 2001, 2002, by Larry Wall and others
+ * 2000, 2001, 2002, 2004, 2005, 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."
*/
+/* This file contains some common functions needed to carry out certain
+ * ops. For example both pp_schomp() and pp_chomp() - scalar and array
+ * chomp operations - call the function do_chomp() found in this file.
+ */
+
#include "EXTERN.h"
#define PERL_IN_DOOP_C
#include "perl.h"
if (grows) {
/* d needs to be bigger than s, in case e.g. upgrading is required */
- New(0, d, len*3+UTF8_MAXLEN, U8);
+ New(0, d, len * 3 + UTF8_MAXBYTES, U8);
dend = d + len * 3;
dstart = d;
}
if (d > dend) {
STRLEN clen = d - dstart;
- STRLEN nlen = dend - dstart + len + UTF8_MAXLEN;
+ STRLEN nlen = dend - dstart + len + UTF8_MAXBYTES;
if (!grows)
Perl_croak(aTHX_ "panic: do_trans_simple_utf8 line %d",__LINE__);
- Renew(dstart, nlen+UTF8_MAXLEN, U8);
+ Renew(dstart, nlen + UTF8_MAXBYTES, U8);
d = dstart + clen;
dend = dstart + nlen;
}
if (grows) {
/* d needs to be bigger than s, in case e.g. upgrading is required */
- New(0, d, len*3+UTF8_MAXLEN, U8);
+ New(0, d, len * 3 + UTF8_MAXBYTES, U8);
dend = d + len * 3;
dstart = d;
}
if (d > dend) {
STRLEN clen = d - dstart;
- STRLEN nlen = dend - dstart + len + UTF8_MAXLEN;
+ STRLEN nlen = dend - dstart + len + UTF8_MAXBYTES;
if (!grows)
Perl_croak(aTHX_ "panic: do_trans_complex_utf8 line %d",__LINE__);
- Renew(dstart, nlen+UTF8_MAXLEN, U8);
+ Renew(dstart, nlen + UTF8_MAXBYTES, U8);
d = dstart + clen;
dend = dstart + nlen;
}
uv = swash_fetch(rv, s, TRUE);
if (d > dend) {
STRLEN clen = d - dstart;
- STRLEN nlen = dend - dstart + len + UTF8_MAXLEN;
+ STRLEN nlen = dend - dstart + len + UTF8_MAXBYTES;
if (!grows)
Perl_croak(aTHX_ "panic: do_trans_complex_utf8 line %d",__LINE__);
- Renew(dstart, nlen+UTF8_MAXLEN, U8);
+ Renew(dstart, nlen + UTF8_MAXBYTES, U8);
d = dstart + clen;
dend = dstart + nlen;
}
sv_setpvn(sv, "", 0);
/* sv_setpv retains old UTF8ness [perl #24846] */
- if (SvUTF8(sv))
- SvUTF8_off(sv);
+ SvUTF8_off(sv);
if (PL_tainting && SvMAGICAL(sv))
SvTAINTED_off(sv);
STRLEN n_a;
char *s;
char *temp_buffer = NULL;
+ SV* svrecode = Nullsv;
if (RsSNARF(PL_rs))
return 0;
if (SvREADONLY(sv))
Perl_croak(aTHX_ PL_no_modify);
}
+
+ if (PL_encoding) {
+ if (!SvUTF8(sv)) {
+ /* XXX, here sv is utf8-ized as a side-effect!
+ If encoding.pm is used properly, almost string-generating
+ operations, including literal strings, chr(), input data, etc.
+ should have been utf8-ized already, right?
+ */
+ sv_recode_to_utf8(sv, PL_encoding);
+ }
+ }
+
s = SvPV(sv, len);
if (s && len) {
s += --len;
}
}
else {
- STRLEN rslen;
+ STRLEN rslen, rs_charlen;
char *rsptr = SvPV(PL_rs, rslen);
+
+ rs_charlen = SvUTF8(PL_rs)
+ ? sv_len_utf8(PL_rs)
+ : rslen;
+
if (SvUTF8(PL_rs) != SvUTF8(sv)) {
/* Assumption is that rs is shorter than the scalar. */
if (SvUTF8(PL_rs)) {
goto nope;
}
rsptr = temp_buffer;
- } else {
+ }
+ else if (PL_encoding) {
+ /* RS is 8 bit, encoding.pm is used.
+ * Do not recode PL_rs as a side-effect. */
+ svrecode = newSVpvn(rsptr, rslen);
+ sv_recode_to_utf8(svrecode, PL_encoding);
+ rsptr = SvPV(svrecode, rslen);
+ rs_charlen = sv_len_utf8(svrecode);
+ }
+ else {
/* RS is 8 bit, scalar is utf8. */
temp_buffer = (char*)bytes_to_utf8((U8*)rsptr, &rslen);
rsptr = temp_buffer;
s -= rslen - 1;
if (memNE(s, rsptr, rslen))
goto nope;
- count += rslen;
+ count += rs_charlen;
}
}
s = SvPV_force(sv, n_a);
SvSETMAGIC(sv);
}
nope:
+
+ if (svrecode)
+ SvREFCNT_dec(svrecode);
+
Safefree(temp_buffer);
return count;
}
return NORMAL;
}
+/*
+ * Local variables:
+ * c-indentation-style: bsd
+ * c-basic-offset: 4
+ * indent-tabs-mode: t
+ * End:
+ *
+ * vim: shiftwidth=4:
+*/