15 extend (SV *scalar, STRLEN addlen)  in extend()  argument
17   SvUPGRADE (scalar, SVt_PV);  in extend()
19   STRLEN cur = SvCUR (scalar);  in extend()
20   STRLEN len = SvLEN (scalar);  in extend()
37   sv_grow (scalar, l - o);  in extend()
49 utf8 (SV *scalar, SV *mode = NO_INIT)
51         SvGETMAGIC (scalar);
52         RETVAL = !!SvUTF8 (scalar);
55             if (SvREADONLY (scalar))
58               SvUTF8_on (scalar);
60               SvUTF8_off (scalar);
66 utf8_on (SV *scalar)
68         if (SvREADONLY (scalar))
71         SvGETMAGIC (scalar);
72         SvUTF8_on (scalar);
73         RETCOPY (scalar);
76 utf8_off (SV *scalar)
78         if (SvREADONLY (scalar))
81         SvGETMAGIC (scalar);
82         SvUTF8_off (scalar);
83         RETCOPY (scalar);
86 utf8_valid (SV *scalar)
89         char *str = SvPV (scalar, len);
95 utf8_upgrade (SV *scalar)
97         if (SvREADONLY (scalar))
100         sv_utf8_upgrade(scalar);
101         RETCOPY (scalar);
104 utf8_downgrade (SV *scalar, bool fail_ok = 0)
106         if (SvREADONLY (scalar))
109         RETVAL = !!sv_utf8_downgrade (scalar, fail_ok);
114 utf8_encode (SV *scalar)
116         if (SvREADONLY (scalar))
119         sv_utf8_encode (scalar);
120         RETCOPY (scalar);
123 utf8_length (SV *scalar)
125         RETVAL = (UV) utf8_length (SvPV_nolen (scalar), SvEND (scalar));
130 readonly (SV *scalar, SV *on = NO_INIT)
132         RETVAL = SvREADONLY (scalar);
136               SvREADONLY_on (scalar);
138               SvREADONLY_off (scalar);
144 readonly_on (SV *scalar)
146         SvREADONLY_on (scalar);
149 readonly_off (SV *scalar)
151         SvREADONLY_off (scalar);
154 unmagic (SV *scalar, char type)
156         sv_unmagic (scalar, type);
159 weaken (SV *scalar)
161         sv_rvweaken (scalar);
164 taint (SV *scalar)
166         SvTAINTED_on (scalar);
169 tainted (SV *scalar)
171         RETVAL = !!SvTAINTED (scalar);
176 untaint (SV *scalar)
178         SvTAINTED_off (scalar);
181 len (SV *scalar)
183         if (SvTYPE (scalar) < SVt_PV)
185         RETVAL = SvLEN (scalar);
190 grow (SV *scalar, STRLEN newlen)
192         sv_grow (scalar, newlen);
194           XPUSHs (sv_2mortal (SvREFCNT_inc (scalar)));
197 extend (SV *scalar, STRLEN addlen = 64)
200 	extend (scalar, addlen);
203           XPUSHs (sv_2mortal (SvREFCNT_inc (scalar)));
207 extend_read (PerlIO *fh, SV *scalar, STRLEN addlen = 64)
210 	if (SvUTF8 (scalar))
211           sv_utf8_downgrade (scalar, 0);
213 	extend (scalar, addlen);
215         RETVAL = PerlLIO_read (PerlIO_fileno (fh), SvEND (scalar), SvLEN (scalar) - SvCUR (scalar));
220         SvPOK_only (scalar);
221         SvCUR_set (scalar, SvCUR (scalar) + RETVAL);
226 read_all (PerlIO *fh, SV *scalar, STRLEN count)  in read_all()  argument
229 	SvUPGRADE (scalar, SVt_PV);  in read_all()
230 	if (SvUTF8 (scalar))  in read_all()
231           sv_utf8_downgrade (scalar, 0);  in read_all()
233         SvPOK_only (scalar);  in read_all()
238         SvGROW (scalar, count);  in read_all()
247             STRLEN got = PerlLIO_read (fd, SvPVX (scalar) + RETVAL, rem);  in read_all()
260         SvCUR_set (scalar, RETVAL);  in read_all()
265 write_all (PerlIO *fh, SV *scalar)  in write_all()  argument
269         char *ptr = SvPVbyte (scalar, count);  in write_all()
295 refcnt (SV *scalar, U32 newrefcnt = NO_INIT)
301             if (!SvROK (scalar)) croak ("refcnt_rv requires a reference as it's first argument");
302             scalar = SvRV (scalar);
304         RETVAL = SvREFCNT (scalar);
306           SvREFCNT (scalar) = newrefcnt;
311 refcnt_inc (SV *scalar)
317 …          if (!SvROK (scalar)) croak ("refcnt_inc_rv requires a reference as it's first argument");
318             scalar = SvRV (scalar);
320         SvREFCNT_inc (scalar);
323 refcnt_dec (SV *scalar)
329 …          if (!SvROK (scalar)) croak ("refcnt_dec_rv requires a reference as it's first argument");
330             scalar = SvRV (scalar);
332         SvREFCNT_dec (scalar);
335 ok (SV *scalar)
337         RETVAL = !!SvOK (scalar);
342 uok (SV *scalar)
344         RETVAL = !!SvUOK (scalar);
349 rok (SV *scalar)
351         RETVAL = !!SvROK (scalar);
356 pok (SV *scalar)
358         RETVAL = !!SvPOK (scalar);
363 nok (SV *scalar)
365         RETVAL = !!SvNOK (scalar);
370 niok (SV *scalar)
372         RETVAL = !!SvNIOK (scalar);