=for hackers
Found in file av.c
+=item av_delete
+
+Deletes the element indexed by C<key> from the array. Returns the
+deleted element. C<flags> is currently ignored.
+
+ SV* av_delete(AV* ar, I32 key, I32 flags)
+
+=for hackers
+Found in file av.c
+
+=item av_exists
+
+Returns true if the element indexed by C<key> has been initialized.
+
+This relies on the fact that uninitialized array elements are set to
+C<&PL_sv_undef>.
+
+ bool av_exists(AV* ar, I32 key)
+
+=for hackers
+Found in file av.c
+
=item av_extend
Pre-extend an array. The C<key> is the index to which the array should be
=for hackers
Found in file av.c
+=item av_fill
+
+Ensure than an array has a given number of elements, equivalent to
+Perl's C<$#array = $fill;>.
+
+ void av_fill(AV* ar, I32 fill)
+
+=for hackers
+Found in file av.c
+
=item av_len
Returns the highest index in the array. Returns -1 if the array is
=item bytes_to_utf8
Converts a string C<s> of length C<len> from ASCII into UTF8 encoding.
-Returns a pointer to the newly-created string.
+Returns a pointer to the newly-created string, and sets C<len> to
+reflect the new length.
- U8 * bytes_to_utf8(U8 *s, STRLEN len)
+ U8 * bytes_to_utf8(U8 *s, STRLEN *len)
=for hackers
Found in file utf8.c
=item GIMME_V
The XSUB-writer's equivalent to Perl's C<wantarray>. Returns C<G_VOID>,
-C<G_SCALAR> or C<G_ARRAY> for void, scalar or array context,
+C<G_SCALAR> or C<G_ARRAY> for void, scalar or list context,
respectively.
U32 GIMME_V
=item G_ARRAY
-Used to indicate array context. See C<GIMME_V>, C<GIMME> and
+Used to indicate list context. See C<GIMME_V>, C<GIMME> and
L<perlcall>.
=for hackers
The XSUB-writer's interface to the C C<free> function.
- void Safefree(void* src, void* dest, int nitems, type)
+ void Safefree(void* ptr)
=for hackers
Found in file handy.h
=item SvLEN
-Returns the size of the string buffer in the SV. See C<SvCUR>.
+Returns the size of the string buffer in the SV, not including any part
+attributable to C<SvOOK>. See C<SvCUR>.
STRLEN SvLEN(SV* sv)
=for hackers
Found in file sv.h
-=item SvLOCK
-
-Aquires an internal mutex for a SV. Used to make sure multiple threads
-don't stomp on the guts of an SV at the same time
-
- void SvLOCK(SV* sv)
-
-=for hackers
-Found in file sv.h
-
=item SvNIOK
Returns a boolean indicating whether the SV contains a number, integer or
=for hackers
Found in file sv.h
-=item SvUNLOCK
-
-Release the internal mutex for an SV.
-
- void SvUNLOCK(SV* sv)
-
-=for hackers
-Found in file sv.h
-
=item SvUPGRADE
Used to upgrade an SV to a more complex form. Uses C<sv_upgrade> to
=for hackers
Found in file sv.c
+=item sv_clear
+
+Clear an SV, making it empty. Does not free the memory used by the SV
+itself.
+
+ void sv_clear(SV* sv)
+
+=for hackers
+Found in file sv.c
+
=item sv_cmp
Compares the strings in two SVs. Returns -1, 0, or 1 indicating whether the
=for hackers
Found in file sv.c
+=item sv_cmp_locale
+
+Compares the strings in two SVs in a locale-aware manner. See
+L</sv_cmp_locale>
+
+ I32 sv_cmp_locale(SV* sv1, SV* sv2)
+
+=for hackers
+Found in file sv.c
+
=item sv_dec
Auto-decrement of the value in the SV.
=for hackers
Found in file sv.c
+=item sv_free
+
+Free the memory used by an SV.
+
+ void sv_free(SV* sv)
+
+=for hackers
+Found in file sv.c
+
+=item sv_gets
+
+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)
+
+=for hackers
+Found in file sv.c
+
=item sv_grow
Expands the character buffer in the SV. This will use C<sv_unref> and will
=for hackers
Found in file sv.c
+=item sv_len_utf8
+
+Returns the number of characters in the string in an SV, counting wide
+UTF8 bytes as a single character.
+
+ STRLEN sv_len_utf8(SV* sv)
+
+=for hackers
+Found in file sv.c
+
=item sv_magic
Adds magic to an SV.
=for hackers
Found in file sv.c
+=item sv_pvn_force
+
+Get a sensible string out of the SV somehow.
+
+ char* sv_pvn_force(SV* sv, STRLEN* lp)
+
+=for hackers
+Found in file sv.c
+
+=item sv_pvutf8n_force
+
+Get a sensible UTF8-encoded string out of the SV somehow. See
+L</sv_pvn_force>.
+
+ char* sv_pvutf8n_force(SV* sv, STRLEN* lp)
+
+=for hackers
+Found in file sv.c
+
+=item sv_reftype
+
+Returns a string describing what the SV is a reference to.
+
+ char* sv_reftype(SV* sv, int ob)
+
+=for hackers
+Found in file sv.c
+
+=item sv_replace
+
+Make the first argument a copy of the second, then delete the original.
+
+ void sv_replace(SV* sv, SV* nsv)
+
+=for hackers
+Found in file sv.c
+
+=item sv_rvweaken
+
+Weaken a reference.
+
+ SV* sv_rvweaken(SV *sv)
+
+=for hackers
+Found in file sv.c
+
=item sv_setiv
Copies an integer into the given SV. Does not handle 'set' magic. See
=for hackers
Found in file sv.c
+=item sv_true
+
+Returns true if the SV has a true value by Perl's rules.
+
+ I32 sv_true(SV *sv)
+
+=for hackers
+Found in file sv.c
+
+=item sv_unmagic
+
+Removes magic from an SV.
+
+ int sv_unmagic(SV* sv, int type)
+
+=for hackers
+Found in file sv.c
+
=item sv_unref
Unsets the RV status of the SV, and decrements the reference count of
=for hackers
Found in file sv.c
+=item sv_utf8_downgrade
+
+Attempt to convert the PV of an SV from UTF8-encoded to byte encoding.
+This may not be possible if the PV contains non-byte encoding characters;
+if this is the case, either returns false or, if C<fail_ok> is not
+true, croaks.
+
+NOTE: this function is experimental and may change or be
+removed without notice.
+
+ bool sv_utf8_downgrade(SV *sv, bool fail_ok)
+
+=for hackers
+Found in file sv.c
+
+=item sv_utf8_encode
+
+Convert the PV of an SV to UTF8-encoded, but then turn off the C<SvUTF8>
+flag so that it looks like bytes again. Nothing calls this.
+
+NOTE: this function is experimental and may change or be
+removed without notice.
+
+ void sv_utf8_encode(SV *sv)
+
+=for hackers
+Found in file sv.c
+
+=item sv_utf8_upgrade
+
+Convert the PV of an SV to its UTF8-encoded form.
+
+ void sv_utf8_upgrade(SV *sv)
+
+=for hackers
+Found in file sv.c
+
=item sv_vcatpvfn
Processes its arguments like C<vsprintf> and appends the formatted output
=for hackers
Found in file handy.h
+=item U8 *s
+
+Returns true if first C<len> bytes of the given string form valid a UTF8
+string, false otherwise.
+
+ bool_utf8_string U8 *s(STRLEN len)
+
+=for hackers
+Found in file utf8.c
+
=item utf8_to_bytes
Converts a string C<s> of length C<len> from UTF8 into ASCII encoding.
Unlike C<bytes_to_utf8>, this over-writes the original string.
+Returns zero on failure after converting as much as possible.
U8 * utf8_to_bytes(U8 *s, STRLEN len)
projects / p5sagit/p5-mst-13.2.git / blobdiff