Clears an array, making it empty. Does not free the memory used by the
array itself.
- void av_clear(AV* ar)
+ void av_clear(AV *av)
=for hackers
Found in file av.c
deleted element. If C<flags> equals C<G_DISCARD>, the element is freed
and null is returned.
- SV* av_delete(AV* ar, I32 key, I32 flags)
+ SV* av_delete(AV *av, I32 key, I32 flags)
=for hackers
Found in file av.c
This relies on the fact that uninitialized array elements are set to
C<&PL_sv_undef>.
- bool av_exists(AV* ar, I32 key)
+ bool av_exists(AV *av, I32 key)
=for hackers
Found in file av.c
Pre-extend an array. The C<key> is the index to which the array should be
extended.
- void av_extend(AV* ar, I32 key)
+ void av_extend(AV *av, I32 key)
=for hackers
Found in file av.c
See L<perlguts/"Understanding the Magic of Tied Hashes and Arrays"> for
more information on how to use this function on tied arrays.
- SV** av_fetch(AV* ar, I32 key, I32 lval)
+ SV** av_fetch(AV *av, I32 key, I32 lval)
=for hackers
Found in file av.c
was longer, then the excess elements are freed. C<av_fill(av, -1)> is
the same as C<av_clear(av)>.
- void av_fill(AV* ar, I32 fill)
+ void av_fill(AV *av, I32 fill)
=for hackers
Found in file av.c
Returns the highest index in the array. The number of elements in the
array is C<av_len(av) + 1>. Returns -1 if the array is empty.
- I32 av_len(const AV* ar)
+ I32 av_len(AV *av)
=for hackers
Found in file av.c
into the array, so they may be freed after the call to av_make. The new AV
will have a reference count of 1.
- AV* av_make(I32 size, SV** svp)
+ AV* av_make(I32 size, SV **strp)
=for hackers
Found in file av.c
Pops an SV off the end of the array. Returns C<&PL_sv_undef> if the array
is empty.
- SV* av_pop(AV* ar)
+ SV* av_pop(AV *av)
=for hackers
Found in file av.c
Pushes an SV onto the end of the array. The array will grow automatically
to accommodate the addition.
- void av_push(AV* ar, SV* val)
+ void av_push(AV *av, SV *val)
=for hackers
Found in file av.c
=item av_shift
X<av_shift>
-Shifts an SV off the beginning of the array.
+Shifts an SV off the beginning of the array. Returns C<&PL_sv_undef> if the
+array is empty.
- SV* av_shift(AV* ar)
+ SV* av_shift(AV *av)
=for hackers
Found in file av.c
See L<perlguts/"Understanding the Magic of Tied Hashes and Arrays"> for
more information on how to use this function on tied arrays.
- SV** av_store(AV* ar, I32 key, SV* val)
+ SV** av_store(AV *av, I32 key, SV *val)
=for hackers
Found in file av.c
Undefines the array. Frees the memory used by the array itself.
- void av_undef(AV* ar)
+ void av_undef(AV *av)
=for hackers
Found in file av.c
array. The array will grow automatically to accommodate the addition. You
must then use C<av_store> to assign values to these new elements.
- void av_unshift(AV* ar, I32 num)
+ void av_unshift(AV *av, I32 num)
=for hackers
Found in file av.c
and then throw it away and return to the original one,
you don't need to do anything.
- PerlInterpreter* perl_clone(PerlInterpreter* interp, UV flags)
+ PerlInterpreter* perl_clone(PerlInterpreter *proto_perl, UV flags)
=for hackers
Found in file sv.c
Initializes a new Perl interpreter. See L<perlembed>.
- void perl_construct(PerlInterpreter* interp)
+ void perl_construct(PerlInterpreter *my_perl)
=for hackers
Found in file perl.c
Shuts down a Perl interpreter. See L<perlembed>.
- int perl_destruct(PerlInterpreter* interp)
+ int perl_destruct(PerlInterpreter *my_perl)
=for hackers
Found in file perl.c
Releases a Perl interpreter. See L<perlembed>.
- void perl_free(PerlInterpreter* interp)
+ void perl_free(PerlInterpreter *my_perl)
=for hackers
Found in file perl.c
Tells a Perl interpreter to parse a Perl script. See L<perlembed>.
- int perl_parse(PerlInterpreter* interp, XSINIT_t xsinit, int argc, char** argv, char** env)
+ int perl_parse(PerlInterpreter *my_perl, XSINIT_t xsinit, int argc, char** argv, char** env)
=for hackers
Found in file perl.c
Tells a Perl interpreter to run. See L<perlembed>.
- int perl_run(PerlInterpreter* interp)
+ int perl_run(PerlInterpreter *my_perl)
=for hackers
Found in file perl.c
=item pv_escape
X<pv_escape>
- |const STRLEN count|const STRLEN max
- |STRLEN const *escaped, const U32 flags
-
Escapes at most the first "count" chars of pv and puts the results into
dsv such that the size of the escaped string will not exceed "max" chars
and will not contain any incomplete escape sequences.
Returns a pointer to the escaped text as held by dsv.
-NOTE: the perl_ form of this function is deprecated.
-
char* pv_escape(SV *dsv, char const * const str, const STRLEN count, const STRLEN max, STRLEN * const escaped, const U32 flags)
=for hackers
=item pv_pretty
X<pv_pretty>
- |const STRLEN count|const STRLEN max\
- |const char const *start_color| const char const *end_color\
- |const U32 flags
-
Converts a string into something presentable, handling escaping via
pv_escape() and supporting quoting and ellipses.
Returns a pointer to the prettified text as held by dsv.
-NOTE: the perl_ form of this function is deprecated.
-
char* pv_pretty(SV *dsv, char const * const str, const STRLEN count, const STRLEN max, char const * const start_color, char const * const end_color, const U32 flags)
=for hackers
Like C<sv_catsv>, but also handles 'set' magic.
- void sv_catsv_mg(SV *dstr, SV *sstr)
+ void sv_catsv_mg(SV *dsv, SV *ssv)
=for hackers
Found in file mathoms.c
which can't cope with complex macro expressions. Always use the macro
instead.
- char* sv_pvbyten(SV *sv, STRLEN *len)
+ char* sv_pvbyten(SV *sv, STRLEN *lp)
=for hackers
Found in file mathoms.c
A private implementation of the C<SvPV> macro for compilers which can't
cope with complex macro expressions. Always use the macro instead.
- char* sv_pvn(SV *sv, STRLEN *len)
+ char* sv_pvn(SV *sv, STRLEN *lp)
=for hackers
Found in file mathoms.c
which can't cope with complex macro expressions. Always use the macro
instead.
- char* sv_pvutf8n(SV *sv, STRLEN *len)
+ char* sv_pvutf8n(SV *sv, STRLEN *lp)
=for hackers
Found in file mathoms.c
Check that a hash is in an internally consistent state.
- void hv_assert(HV* tb)
+ void hv_assert(HV *hv)
=for hackers
Found in file hv.c
Clears a hash, making it empty.
- void hv_clear(HV* tb)
+ void hv_clear(HV *hv)
=for hackers
Found in file hv.c
future point. This function clears any such placeholder keys from the hash.
See Hash::Util::lock_keys() for an example of its use.
- void hv_clear_placeholders(HV* hb)
+ void hv_clear_placeholders(HV *hv)
=for hackers
Found in file hv.c
The C<flags> value will normally be zero; if set to G_DISCARD then NULL
will be returned.
- SV* hv_delete(HV* tb, const char* key, I32 klen, I32 flags)
+ SV* hv_delete(HV *hv, const char *key, I32 klen, I32 flags)
=for hackers
Found in file hv.c
if set to G_DISCARD then NULL will be returned. C<hash> can be a valid
precomputed hash value, or 0 to ask for it to be computed.
- SV* hv_delete_ent(HV* tb, SV* key, I32 flags, U32 hash)
+ SV* hv_delete_ent(HV *hv, SV *keysv, I32 flags, U32 hash)
=for hackers
Found in file hv.c
Returns a boolean indicating whether the specified hash key exists. The
C<klen> is the length of the key.
- bool hv_exists(HV* tb, const char* key, I32 klen)
+ bool hv_exists(HV *hv, const char *key, I32 klen)
=for hackers
Found in file hv.c
can be a valid precomputed hash value, or 0 to ask for it to be
computed.
- bool hv_exists_ent(HV* tb, SV* key, U32 hash)
+ bool hv_exists_ent(HV *hv, SV *keysv, U32 hash)
=for hackers
Found in file hv.c
See L<perlguts/"Understanding the Magic of Tied Hashes and Arrays"> for more
information on how to use this function on tied hashes.
- SV** hv_fetch(HV* tb, const char* key, I32 klen, I32 lval)
+ SV** hv_fetch(HV *hv, const char *key, I32 klen, I32 lval)
=for hackers
Found in file hv.c
See L<perlguts/"Understanding the Magic of Tied Hashes and Arrays"> for more
information on how to use this function on tied hashes.
- HE* hv_fetch_ent(HV* tb, SV* key, I32 lval, U32 hash)
+ HE* hv_fetch_ent(HV *hv, SV *keysv, I32 lval, U32 hash)
=for hackers
Found in file hv.c
value, you can get it through the macro C<HvFILL(tb)>.
- I32 hv_iterinit(HV* tb)
+ I32 hv_iterinit(HV *hv)
=for hackers
Found in file hv.c
your iterator immediately else the entry will leak - call C<hv_iternext> to
trigger the resource deallocation.
- HE* hv_iternext(HV* tb)
+ HE* hv_iternext(HV *hv)
=for hackers
Found in file hv.c
Performs an C<hv_iternext>, C<hv_iterkey>, and C<hv_iterval> in one
operation.
- SV* hv_iternextsv(HV* hv, char** key, I32* retlen)
+ SV* hv_iternextsv(HV *hv, char **key, I32 *retlen)
=for hackers
Found in file hv.c
NOTE: this function is experimental and may change or be
removed without notice.
- HE* hv_iternext_flags(HV* tb, I32 flags)
+ HE* hv_iternext_flags(HV *hv, I32 flags)
=for hackers
Found in file hv.c
Returns the value from the current position of the hash iterator. See
C<hv_iterkey>.
- SV* hv_iterval(HV* tb, HE* entry)
+ SV* hv_iterval(HV *hv, HE *entry)
=for hackers
Found in file hv.c
Adds magic to a hash. See C<sv_magic>.
- void hv_magic(HV* hv, GV* gv, int how)
+ void hv_magic(HV *hv, GV *gv, int how)
=for hackers
Found in file hv.c
Evaluates the hash in scalar context and returns the result. Handles magic when the hash is tied.
- SV* hv_scalar(HV* hv)
+ SV* hv_scalar(HV *hv)
=for hackers
Found in file hv.c
See L<perlguts/"Understanding the Magic of Tied Hashes and Arrays"> for more
information on how to use this function on tied hashes.
- SV** hv_store(HV* tb, const char* key, I32 klen, SV* val, U32 hash)
+ SV** hv_store(HV *hv, const char *key, I32 klen, SV *val, U32 hash)
=for hackers
Found in file hv.c
See L<perlguts/"Understanding the Magic of Tied Hashes and Arrays"> for more
information on how to use this function on tied hashes.
- HE* hv_store_ent(HV* tb, SV* key, SV* val, U32 hash)
+ HE* hv_store_ent(HV *hv, SV *key, SV *val, U32 hash)
=for hackers
Found in file hv.c
Undefines the hash.
- void hv_undef(HV* tb)
+ void hv_undef(HV *hv)
=for hackers
Found in file hv.c
Copies the magic from one SV to another. See C<sv_magic>.
- int mg_copy(SV* sv, SV* nsv, const char* key, I32 klen)
+ int mg_copy(SV *sv, SV *nsv, const char *key, I32 klen)
=for hackers
Found in file mg.c
does not have to be fbm_compiled, but the search will not be as fast
then.
- char* fbm_instr(unsigned char* big, unsigned char* bigend, SV* littlesv, U32 flags)
+ char* fbm_instr(unsigned char* big, unsigned char* bigend, SV* littlestr, U32 flags)
=for hackers
Found in file util.c
should be interpreted as if it had multiple decimals, even if
it doesn't.
- const char* scan_version(const char *vstr, SV *sv, bool qv)
+ const char* scan_version(const char *s, SV *rv, bool qv)
=for hackers
Found in file util.c
Version object aware cmp. Both operands must already have been
converted into version objects.
- int vcmp(SV *lvs, SV *rvs)
+ int vcmp(SV *lhv, SV *rhv)
=for hackers
Found in file util.c
=over 8
+=item croak_xs_usage
+X<croak_xs_usage>
+
+A specialised variant of C<croak()> for emitting the usage message for xsubs
+
+ croak_xs_usage(cv, "eee_yow");
+
+works out the package name and subroutine name from C<cv>, and then calls
+C<croak()>. Hence if C<cv> is C<&ouch::awk>, it would call C<croak> as:
+
+ Perl_croak(aTHX_ "Usage %s::%s(%s)", "ouch" "awk", "eee_yow");
+
+ void croak_xs_usage(const CV *const cv, const char *const params)
+
+=for hackers
+Found in file universal.c
+
=item get_sv
X<get_sv>
Creates an RV wrapper for an SV. The reference count for the original
SV is B<not> incremented.
- SV* newRV_noinc(SV* sv)
+ SV* newRV_noinc(SV *const sv)
=for hackers
Found in file sv.c
L<perlhack/PERL_MEM_LOG>). The older API is still there for use in XS
modules supporting older perls.
- SV* newSV(STRLEN len)
+ SV* newSV(const STRLEN len)
=for hackers
Found in file sv.c
point to the shared string table where possible. Returns a new (undefined)
SV if the hek is NULL.
- SV* newSVhek(const HEK *hek)
+ SV* newSVhek(const HEK *const hek)
=for hackers
Found in file sv.c
Creates a new SV and copies an integer into it. The reference count for the
SV is set to 1.
- SV* newSViv(IV i)
+ SV* newSViv(const IV i)
=for hackers
Found in file sv.c
Creates a new SV and copies a floating point value into it.
The reference count for the SV is set to 1.
- SV* newSVnv(NV n)
+ SV* newSVnv(const NV n)
=for hackers
Found in file sv.c
SV is set to 1. If C<len> is zero, Perl will compute the length using
strlen(). For efficiency, consider using C<newSVpvn> instead.
- SV* newSVpv(const char* s, STRLEN len)
+ SV* newSVpv(const char *const s, const STRLEN len)
=for hackers
Found in file sv.c
Creates a new SV and initializes it with the string formatted like
C<sprintf>.
- SV* newSVpvf(const char* pat, ...)
+ SV* newSVpvf(const char *const pat, ...)
=for hackers
Found in file sv.c
string. You are responsible for ensuring that the source string is at least
C<len> bytes long. If the C<s> argument is NULL the new SV will be undefined.
- SV* newSVpvn(const char* s, STRLEN len)
+ SV* newSVpvn(const char *const s, const STRLEN len)
=for hackers
Found in file sv.c
#define newSVpvn_utf8(s, len, u) \
newSVpvn_flags((s), (len), (u) ? SVf_UTF8 : 0)
- SV* newSVpvn_flags(const char* s, STRLEN len, U32 flags)
+ SV* newSVpvn_flags(const char *const s, const STRLEN len, const U32 flags)
=for hackers
Found in file sv.c
be blessed in the specified package. The new SV is returned and its
reference count is 1.
- SV* newSVrv(SV* rv, const char* classname)
+ SV* newSVrv(SV *const rv, const char *const classname)
=for hackers
Found in file sv.c
Creates a new SV which is an exact duplicate of the original SV.
(Uses C<sv_setsv>).
- SV* newSVsv(SV* old)
+ SV* newSVsv(SV *const old)
=for hackers
Found in file sv.c
Creates a new SV and copies an unsigned integer into it.
The reference count for the SV is set to 1.
- SV* newSVuv(UV u)
+ SV* newSVuv(const UV u)
=for hackers
Found in file sv.c
Creates a new SV, of the type specified. The reference count for the new SV
is set to 1.
- SV* newSV_type(svtype type)
+ SV* newSV_type(const svtype type)
=for hackers
Found in file sv.c
This function is only called on magical items, and is only used by
sv_true() or its macro equivalent.
- bool sv_2bool(SV* sv)
+ bool sv_2bool(SV *const sv)
=for hackers
Found in file sv.c
possible to set C<*st> and C<*gvp> to the stash and GV associated with it.
The flags in C<lref> are passed to sv_fetchsv.
- CV* sv_2cv(SV* sv, HV** st, GV** gvp, I32 lref)
+ CV* sv_2cv(SV* sv, HV **const st, GV **const gvp, const I32 lref)
=for hackers
Found in file sv.c
GV; or the recursive result if we're an RV; or the IO slot of the symbol
named after the PV if we're a string.
- IO* sv_2io(SV* sv)
+ IO* sv_2io(SV *const sv)
=for hackers
Found in file sv.c
conversion. If flags includes SV_GMAGIC, does an mg_get() first.
Normally used via the C<SvIV(sv)> and C<SvIVx(sv)> macros.
- IV sv_2iv_flags(SV* sv, I32 flags)
+ IV sv_2iv_flags(SV *const sv, const I32 flags)
=for hackers
Found in file sv.c
string buffer can be "stolen" if this SV is copied. See also C<sv_newmortal>
and C<sv_mortalcopy>.
- SV* sv_2mortal(SV* sv)
+ SV* sv_2mortal(SV *const sv)
=for hackers
Found in file sv.c
conversion, magic etc. Normally used via the C<SvNV(sv)> and C<SvNVx(sv)>
macros.
- NV sv_2nv(SV* sv)
+ NV sv_2nv(SV *const sv)
=for hackers
Found in file sv.c
Usually accessed via the C<SvPVbyte> macro.
- char* sv_2pvbyte(SV* sv, STRLEN* lp)
+ char* sv_2pvbyte(SV *const sv, STRLEN *const lp)
=for hackers
Found in file sv.c
Usually accessed via the C<SvPVutf8> macro.
- char* sv_2pvutf8(SV* sv, STRLEN* lp)
+ char* sv_2pvutf8(SV *const sv, STRLEN *const lp)
=for hackers
Found in file sv.c
Normally invoked via the C<SvPV_flags> macro. C<sv_2pv()> and C<sv_2pv_nomg>
usually end up here too.
- char* sv_2pv_flags(SV* sv, STRLEN* lp, I32 flags)
+ char* sv_2pv_flags(SV *const sv, STRLEN *const lp, const I32 flags)
=for hackers
Found in file sv.c
conversion. If flags includes SV_GMAGIC, does an mg_get() first.
Normally used via the C<SvUV(sv)> and C<SvUVx(sv)> macros.
- UV sv_2uv_flags(SV* sv, I32 flags)
+ UV sv_2uv_flags(SV *const sv, const I32 flags)
=for hackers
Found in file sv.c
must be designated by its stash (see C<gv_stashpv()>). The reference count
of the SV is unaffected.
- SV* sv_bless(SV* sv, HV* stash)
+ SV* sv_bless(SV *const sv, HV *const stash)
=for hackers
Found in file sv.c
If the SV has the UTF-8 status set, then the bytes appended should be
valid UTF-8. Handles 'get' magic, but not 'set' magic. See C<sv_catpv_mg>.
- void sv_catpv(SV* sv, const char* ptr)
+ void sv_catpv(SV *const sv, const char* ptr)
=for hackers
Found in file sv.c
C<sv_catpvf_mg>. If the original SV was UTF-8, the pattern should be
valid UTF-8; if the original SV was bytes, the pattern should be too.
- void sv_catpvf(SV* sv, const char* pat, ...)
+ void sv_catpvf(SV *const sv, const char *const pat, ...)
=for hackers
Found in file sv.c
Like C<sv_catpvf>, but also handles 'set' magic.
- void sv_catpvf_mg(SV *sv, const char* pat, ...)
+ void sv_catpvf_mg(SV *const sv, const char *const pat, ...)
=for hackers
Found in file sv.c
status set, then the bytes appended should be valid UTF-8.
Handles 'get' magic, but not 'set' magic. See C<sv_catpvn_mg>.
- void sv_catpvn(SV* sv, const char* ptr, STRLEN len)
+ void sv_catpvn(SV *dsv, const char *sstr, STRLEN len)
=for hackers
Found in file sv.c
appropriate, else not. C<sv_catpvn> and C<sv_catpvn_nomg> are implemented
in terms of this function.
- void sv_catpvn_flags(SV* sv, const char* ptr, STRLEN len, I32 flags)
+ void sv_catpvn_flags(SV *const dstr, const char *sstr, const STRLEN len, const I32 flags)
=for hackers
Found in file sv.c
Like C<sv_catpv>, but also handles 'set' magic.
- void sv_catpv_mg(SV *sv, const char *ptr)
+ void sv_catpv_mg(SV *const sv, const char *const ptr)
=for hackers
Found in file sv.c
SV C<dsv>. Modifies C<dsv> but not C<ssv>. Handles 'get' magic, but
not 'set' magic. See C<sv_catsv_mg>.
- void sv_catsv(SV* dsv, SV* ssv)
+ void sv_catsv(SV *dstr, SV *sstr)
=for hackers
Found in file sv.c
bit set, will C<mg_get> on the SVs if appropriate, else not. C<sv_catsv>
and C<sv_catsv_nomg> are implemented in terms of this function.
- void sv_catsv_flags(SV* dsv, SV* ssv, I32 flags)
+ void sv_catsv_flags(SV *const dsv, SV *const ssv, const I32 flags)
=for hackers
Found in file sv.c
Beware: after this function returns, C<ptr> and SvPVX_const(sv) may no longer
refer to the same chunk of data.
- void sv_chop(SV* sv, const char* ptr)
+ void sv_chop(SV *const sv, const char *const ptr)
=for hackers
Found in file sv.c
you'll want to call C<sv_free()> (or its macro wrapper C<SvREFCNT_dec>)
instead.
- void sv_clear(SV* sv)
+ void sv_clear(SV *const sv)
=for hackers
Found in file sv.c
C<sv2>. Is UTF-8 and 'use bytes' aware, handles get magic, and will
coerce its args to strings if necessary. See also C<sv_cmp_locale>.
- I32 sv_cmp(SV* sv1, SV* sv2)
+ I32 sv_cmp(SV *const sv1, SV *const sv2)
=for hackers
Found in file sv.c
'use bytes' aware, handles get magic, and will coerce its args to strings
if necessary. See also C<sv_cmp>.
- I32 sv_cmp_locale(SV* sv1, SV* sv2)
+ I32 sv_cmp_locale(SV *const sv1, SV *const sv2)
=for hackers
Found in file sv.c
memory comparison can be used to compare the data according to the locale
settings.
- char* sv_collxfrm(SV* sv, STRLEN* nxp)
+ char* sv_collxfrm(SV *const sv, STRLEN *const nxp)
=for hackers
Found in file sv.c
string. Mostly uses sv_2pv_flags to do its work, except when that
would lose the UTF-8'ness of the PV.
- void sv_copypv(SV* dsv, SV* ssv)
+ void sv_copypv(SV *const dsv, SV *const ssv)
=for hackers
Found in file sv.c
Auto-decrement of the value in the SV, doing string to numeric conversion
if necessary. Handles 'get' magic.
- void sv_dec(SV* sv)
+ void sv_dec(SV *const sv)
=for hackers
Found in file sv.c
C<sv_unref_flags()> when unrefing. C<sv_force_normal> calls this function
with flags set to 0.
- void sv_force_normal_flags(SV *sv, U32 flags)
+ void sv_force_normal_flags(SV *const sv, const U32 flags)
=for hackers
Found in file sv.c
the body; finally, deallocate the SV's head itself.
Normally called via a wrapper macro C<SvREFCNT_dec>.
- void sv_free(SV* sv)
+ void sv_free(SV *const sv)
=for hackers
Found in file sv.c
Get a line from the filehandle and store it into the SV, optionally
appending to the currently-stored string.
- char* sv_gets(SV* sv, PerlIO* fp, I32 append)
+ char* sv_gets(SV *const sv, PerlIO *const fp, I32 append)
=for hackers
Found in file sv.c
Auto-increment of the value in the SV, doing string to numeric conversion
if necessary. Handles 'get' magic.
- void sv_inc(SV* sv)
+ void sv_inc(SV *const sv)
=for hackers
Found in file sv.c
X<sv_insert>
Inserts a string at the specified offset/length within the SV. Similar to
-the Perl substr() function.
+the Perl substr() function. Handles get magic.
+
+ void sv_insert(SV *const bigstr, const STRLEN offset, const STRLEN len, const char *const little, const STRLEN littlelen)
+
+=for hackers
+Found in file sv.c
+
+=item sv_insert_flags
+X<sv_insert_flags>
+
+Same as C<sv_insert>, but the extra C<flags> are passed the C<SvPV_force_flags> that applies to C<bigstr>.
- void sv_insert(SV* bigsv, STRLEN offset, STRLEN len, const char* little, STRLEN littlelen)
+ void sv_insert_flags(SV *const bigstr, const STRLEN offset, const STRLEN len, const char *const little, const STRLEN littlelen, const U32 flags)
=for hackers
Found in file sv.c
class. This does not check for subtypes; use C<sv_derived_from> to verify
an inheritance relationship.
- int sv_isa(SV* sv, const char* name)
+ int sv_isa(SV* sv, const char *const name)
=for hackers
Found in file sv.c
Returns the length of the string in the SV. Handles magic and type
coercion. See also C<SvCUR>, which gives raw access to the xpv_cur slot.
- STRLEN sv_len(SV* sv)
+ STRLEN sv_len(SV *const sv)
=for hackers
Found in file sv.c
Returns the number of characters in the string in an SV, counting wide
UTF-8 bytes as a single character. Handles magic and type coercion.
- STRLEN sv_len_utf8(SV* sv)
+ STRLEN sv_len_utf8(SV *const sv)
=for hackers
Found in file sv.c
You need to use C<sv_magicext> to add magic to SvREADONLY SVs and also
to add more than one instance of the same 'how'.
- void sv_magic(SV* sv, SV* obj, int how, const char* name, I32 namlen)
+ void sv_magic(SV *const sv, SV *const obj, const int how, const char *const name, const I32 namlen)
=for hackers
Found in file sv.c
(This is now used as a subroutine by C<sv_magic>.)
- MAGIC * sv_magicext(SV* sv, SV* obj, int how, const MGVTBL *vtbl, const char* name, I32 namlen)
+ MAGIC * sv_magicext(SV *const sv, SV *const obj, const int how, const MGVTBL *const vtbl, const char *const name, const I32 namlen)
=for hackers
Found in file sv.c
explicit call to FREETMPS, or by an implicit call at places such as
statement boundaries. See also C<sv_newmortal> and C<sv_2mortal>.
- SV* sv_mortalcopy(SV* oldsv)
+ SV* sv_mortalcopy(SV *const oldsv)
=for hackers
Found in file sv.c
Increment an SV's reference count. Use the C<SvREFCNT_inc()> wrapper
instead.
- SV* sv_newref(SV* sv)
+ SV* sv_newref(SV *const sv)
=for hackers
Found in file sv.c
start of the string, to a count of the equivalent number of UTF-8 chars.
Handles magic and type coercion.
- void sv_pos_b2u(SV* sv, I32* offsetp)
+ void sv_pos_b2u(SV *const sv, I32 *const offsetp)
=for hackers
Found in file sv.c
the offset, rather than from the start of the string. Handles magic and
type coercion.
- void sv_pos_u2b(SV* sv, I32* offsetp, I32* lenp)
+ void sv_pos_u2b(SV *const sv, I32 *const offsetp, I32 *const lenp)
=for hackers
Found in file sv.c
The backend for the C<SvPVbytex_force> macro. Always use the macro instead.
- char* sv_pvbyten_force(SV* sv, STRLEN* lp)
+ char* sv_pvbyten_force(SV *const sv, STRLEN *const lp)
=for hackers
Found in file sv.c
You normally want to use the various wrapper macros instead: see
C<SvPV_force> and C<SvPV_force_nomg>
- char* sv_pvn_force_flags(SV* sv, STRLEN* lp, I32 flags)
+ char* sv_pvn_force_flags(SV *const sv, STRLEN *const lp, const I32 flags)
=for hackers
Found in file sv.c
The backend for the C<SvPVutf8x_force> macro. Always use the macro instead.
- char* sv_pvutf8n_force(SV* sv, STRLEN* lp)
+ char* sv_pvutf8n_force(SV *const sv, STRLEN *const lp)
=for hackers
Found in file sv.c
Returns a string describing what the SV is a reference to.
- const char* sv_reftype(const SV* sv, int ob)
+ const char* sv_reftype(const SV *const sv, const int ob)
=for hackers
Found in file sv.c
Note that this is a rather specialist SV copying operation; most of the
time you'll want to use C<sv_setsv> or one of its many macro front-ends.
- void sv_replace(SV* sv, SV* nsv)
+ void sv_replace(SV *const sv, SV *const nsv)
=for hackers
Found in file sv.c
Underlying implementation for the C<reset> Perl function.
Note that the perl-level function is vaguely deprecated.
- void sv_reset(const char* s, HV* stash)
+ void sv_reset(const char* s, HV *const stash)
=for hackers
Found in file sv.c
associated with that magic. If the RV is magical, set magic will be
called after the RV is cleared.
- SV* sv_rvweaken(SV *sv)
+ SV* sv_rvweaken(SV *const sv)
=for hackers
Found in file sv.c
Copies a string into an SV. The string must be null-terminated. Does not
handle 'set' magic. See C<sv_setpv_mg>.
- void sv_setpv(SV* sv, const char* ptr)
+ void sv_setpv(SV *const sv, const char *const ptr)
=for hackers
Found in file sv.c
Works like C<sv_catpvf> but copies the text into the SV instead of
appending it. Does not handle 'set' magic. See C<sv_setpvf_mg>.
- void sv_setpvf(SV* sv, const char* pat, ...)
+ void sv_setpvf(SV *const sv, const char *const pat, ...)
=for hackers
Found in file sv.c
Like C<sv_setpvf>, but also handles 'set' magic.
- void sv_setpvf_mg(SV *sv, const char* pat, ...)
+ void sv_setpvf_mg(SV *const sv, const char *const pat, ...)
=for hackers
Found in file sv.c
Copies an integer into the given SV, also updating its string value.
Does not handle 'set' magic. See C<sv_setpviv_mg>.
- void sv_setpviv(SV* sv, IV num)
+ void sv_setpviv(SV *const sv, const IV num)
=for hackers
Found in file sv.c
Like C<sv_setpviv>, but also handles 'set' magic.
- void sv_setpviv_mg(SV *sv, IV iv)
+ void sv_setpviv_mg(SV *const sv, const IV iv)
=for hackers
Found in file sv.c
bytes to be copied. If the C<ptr> argument is NULL the SV will become
undefined. Does not handle 'set' magic. See C<sv_setpvn_mg>.
- void sv_setpvn(SV* sv, const char* ptr, STRLEN len)
+ void sv_setpvn(SV *const sv, const char *const ptr, const STRLEN len)
=for hackers
Found in file sv.c
Like C<sv_setpvn>, but also handles 'set' magic.
- void sv_setpvn_mg(SV *sv, const char *ptr, STRLEN len)
+ void sv_setpvn_mg(SV *const sv, const char *const ptr, const STRLEN len)
=for hackers
Found in file sv.c
Like C<sv_setpv>, but also handles 'set' magic.
- void sv_setpv_mg(SV *sv, const char *ptr)
+ void sv_setpv_mg(SV *const sv, const char *const ptr)
=for hackers
Found in file sv.c
blessing. Set C<classname> to C<NULL> to avoid the blessing. The new SV
will have a reference count of 1, and the RV will be returned.
- SV* sv_setref_iv(SV* rv, const char* classname, IV iv)
+ SV* sv_setref_iv(SV *const rv, const char *const classname, const IV iv)
=for hackers
Found in file sv.c
blessing. Set C<classname> to C<NULL> to avoid the blessing. The new SV
will have a reference count of 1, and the RV will be returned.
- SV* sv_setref_nv(SV* rv, const char* classname, NV nv)
+ SV* sv_setref_nv(SV *const rv, const char *const classname, const NV nv)
=for hackers
Found in file sv.c
Note that C<sv_setref_pvn> copies the string while this copies the pointer.
- SV* sv_setref_pv(SV* rv, const char* classname, void* pv)
+ SV* sv_setref_pv(SV *const rv, const char *const classname, void *const pv)
=for hackers
Found in file sv.c
Note that C<sv_setref_pv> copies the pointer while this copies the string.
- SV* sv_setref_pvn(SV* rv, const char* classname, const char* pv, STRLEN n)
+ SV* sv_setref_pvn(SV *const rv, const char *const classname, const char *const pv, const STRLEN n)
=for hackers
Found in file sv.c
blessing. Set C<classname> to C<NULL> to avoid the blessing. The new SV
will have a reference count of 1, and the RV will be returned.
- SV* sv_setref_uv(SV* rv, const char* classname, UV uv)
+ SV* sv_setref_uv(SV *const rv, const char *const classname, const UV uv)
=for hackers
Found in file sv.c
C<SvSetSV>, C<SvSetSV_nosteal>, C<SvSetMagicSV> and
C<SvSetMagicSV_nosteal>.
- void sv_setsv(SV* dsv, SV* ssv)
+ void sv_setsv(SV *dstr, SV *sstr)
=for hackers
Found in file sv.c
This is the primary function for copying scalars, and most other
copy-ish functions and macros use this underneath.
- void sv_setsv_flags(SV* dsv, SV* ssv, I32 flags)
+ void sv_setsv_flags(SV *dstr, SV *sstr, const I32 flags)
=for hackers
Found in file sv.c
Like C<sv_setsv>, but also handles 'set' magic.
- void sv_setsv_mg(SV *dstr, SV *sstr)
+ void sv_setsv_mg(SV *const dstr, SV *const sstr)
=for hackers
Found in file sv.c
X<sv_tainted>
Test an SV for taintedness. Use C<SvTAINTED> instead.
- bool sv_tainted(SV* sv)
+ bool sv_tainted(SV *const sv)
=for hackers
Found in file sv.c
Use the C<SvTRUE> macro instead, which may call C<sv_true()> or may
instead use an in-line version.
- I32 sv_true(SV *sv)
+ I32 sv_true(SV *const sv)
=for hackers
Found in file sv.c
Removes all magic of type C<type> from an SV.
- int sv_unmagic(SV* sv, int type)
+ int sv_unmagic(SV *const sv, const int type)
=for hackers
Found in file sv.c
different from one or the reference being a readonly SV).
See C<SvROK_off>.
- void sv_unref_flags(SV* sv, U32 flags)
+ void sv_unref_flags(SV *const ref, const U32 flags)
=for hackers
Found in file sv.c
X<sv_untaint>
Untaint an SV. Use C<SvTAINTED_off> instead.
- void sv_untaint(SV* sv)
+ void sv_untaint(SV *const sv)
=for hackers
Found in file sv.c
will be skipped. (i.e. the buffer is actually at least 1 byte longer than
C<len>, and already meets the requirements for storing in C<SvPVX>)
- void sv_usepvn_flags(SV* sv, char* ptr, STRLEN len, U32 flags)
+ void sv_usepvn_flags(SV *const sv, char* ptr, const STRLEN len, const U32 flags)
=for hackers
Found in file sv.c
NOTE: this function is experimental and may change or be
removed without notice.
- bool sv_utf8_decode(SV *sv)
+ bool sv_utf8_decode(SV *const sv)
=for hackers
Found in file sv.c
NOTE: this function is experimental and may change or be
removed without notice.
- bool sv_utf8_downgrade(SV *sv, bool fail_ok)
+ bool sv_utf8_downgrade(SV *const sv, const bool fail_ok)
=for hackers
Found in file sv.c
Converts the PV of an SV to UTF-8, but then turns the C<SvUTF8>
flag off so that it looks like octets again.
- void sv_utf8_encode(SV *sv)
+ void sv_utf8_encode(SV *const sv)
=for hackers
Found in file sv.c
This is not as a general purpose byte encoding to Unicode interface:
use the Encode extension for that.
- STRLEN sv_utf8_upgrade_flags(SV *sv, I32 flags)
+ STRLEN sv_utf8_upgrade_flags(SV *const sv, const I32 flags)
=for hackers
Found in file sv.c
Usually used via its frontend C<sv_catpvf>.
- void sv_vcatpvf(SV* sv, const char* pat, va_list* args)
+ void sv_vcatpvf(SV *const sv, const char *const pat, va_list *const args)
=for hackers
Found in file sv.c
Usually used via one of its frontends C<sv_vcatpvf> and C<sv_vcatpvf_mg>.
- void sv_vcatpvfn(SV* sv, const char* pat, STRLEN patlen, va_list* args, SV** svargs, I32 svmax, bool *maybe_tainted)
+ void sv_vcatpvfn(SV *const sv, const char *const pat, const STRLEN patlen, va_list *const args, SV **const svargs, const I32 svmax, bool *const maybe_tainted)
=for hackers
Found in file sv.c
Usually used via its frontend C<sv_catpvf_mg>.
- void sv_vcatpvf_mg(SV* sv, const char* pat, va_list* args)
+ void sv_vcatpvf_mg(SV *const sv, const char *const pat, va_list *const args)
=for hackers
Found in file sv.c
Usually used via its frontend C<sv_setpvf>.
- void sv_vsetpvf(SV* sv, const char* pat, va_list* args)
+ void sv_vsetpvf(SV *const sv, const char *const pat, va_list *const args)
=for hackers
Found in file sv.c
Usually used via one of its frontends C<sv_vsetpvf> and C<sv_vsetpvf_mg>.
- void sv_vsetpvfn(SV* sv, const char* pat, STRLEN patlen, va_list* args, SV** svargs, I32 svmax, bool *maybe_tainted)
+ void sv_vsetpvfn(SV *const sv, const char *const pat, const STRLEN patlen, va_list *const args, SV **const svargs, const I32 svmax, bool *const maybe_tainted)
=for hackers
Found in file sv.c
Usually used via its frontend C<sv_setpvf_mg>.
- void sv_vsetpvf_mg(SV* sv, const char* pat, va_list* args)
+ void sv_vsetpvf_mg(SV *const sv, const char *const pat, va_list *const args)
=for hackers
Found in file sv.c
instead of upper/lowercasing both the characters, see
http://www.unicode.org/unicode/reports/tr21/ (Case Mappings).
- I32 ibcmp_utf8(const char* a, char **pe1, UV l1, bool u1, const char* b, char **pe2, UV l2, bool u2)
+ I32 ibcmp_utf8(const char *s1, char **pe1, UV l1, bool u1, const char *s2, char **pe2, UV l2, bool u2)
=for hackers
Found in file utf8.c
UTF-8 character. The actual number of bytes in the UTF-8 character
will be returned if it is valid, otherwise 0.
- STRLEN is_utf8_char(const U8 *p)
+ STRLEN is_utf8_char(const U8 *s)
=for hackers
Found in file utf8.c